catch.hpp

/*
*  Catch v2.2.2
*  Generated: 2018-04-06 12:05:03.186665
*  ----------------------------------------------------------
*  This file has been merged from multiple headers. Please don't edit it directly
*  Copyright (c) 2018 Two Blue Cubes Ltd. All rights reserved.
*
*  Distributed under the Boost Software License, Version 1.0. (See accompanying
*  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*/
#ifndef TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED
#define TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED
// start catch.hpp


#define CATCH_VERSION_MAJOR 2
#define CATCH_VERSION_MINOR 2
#define CATCH_VERSION_PATCH 2

#ifdef __clang__
#    pragma clang system_header
#elif defined __GNUC__
#    pragma GCC system_header
#endif

// start catch_suppress_warnings.h

#ifdef __clang__
#   ifdef __ICC // icpc defines the __clang__ macro
#       pragma warning(push)
#       pragma warning(disable: 161 1682)
#   else // __ICC
#       pragma clang diagnostic ignored "-Wunused-variable"
#       pragma clang diagnostic push
#       pragma clang diagnostic ignored "-Wpadded"
#       pragma clang diagnostic ignored "-Wswitch-enum"
#       pragma clang diagnostic ignored "-Wcovered-switch-default"
#    endif
#elif defined __GNUC__
#    pragma GCC diagnostic ignored "-Wparentheses"
#    pragma GCC diagnostic push
#    pragma GCC diagnostic ignored "-Wunused-variable"
#    pragma GCC diagnostic ignored "-Wpadded"
#endif
// end catch_suppress_warnings.h
#if defined(CATCH_CONFIG_MAIN) || defined(CATCH_CONFIG_RUNNER)
#  define CATCH_IMPL
#  define CATCH_CONFIG_ALL_PARTS
#endif

// In the impl file, we want to have access to all parts of the headers
// Can also be used to sanely support PCHs
#if defined(CATCH_CONFIG_ALL_PARTS)
#  define CATCH_CONFIG_EXTERNAL_INTERFACES
#  if defined(CATCH_CONFIG_DISABLE_MATCHERS)
#    undef CATCH_CONFIG_DISABLE_MATCHERS
#  endif
#  define CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER
#endif

#if !defined(CATCH_CONFIG_IMPL_ONLY)
// start catch_platform.h

#ifdef __APPLE__
# include <TargetConditionals.h>
# if TARGET_OS_OSX == 1
#  define CATCH_PLATFORM_MAC
# elif TARGET_OS_IPHONE == 1
#  define CATCH_PLATFORM_IPHONE
# endif

#elif defined(linux) || defined(__linux) || defined(__linux__)
#  define CATCH_PLATFORM_LINUX

#elif defined(WIN32) || defined(__WIN32__) || defined(_WIN32) || defined(_MSC_VER)
#  define CATCH_PLATFORM_WINDOWS
#endif

// end catch_platform.h

#ifdef CATCH_IMPL
#  ifndef CLARA_CONFIG_MAIN
#    define CLARA_CONFIG_MAIN_NOT_DEFINED
#    define CLARA_CONFIG_MAIN
#  endif
#endif

// start catch_user_interfaces.h

namespace Catch {
	unsigned int rngSeed();
}

// end catch_user_interfaces.h
// start catch_tag_alias_autoregistrar.h

// start catch_common.h

// start catch_compiler_capabilities.h

// Detect a number of compiler features - by compiler
// The following features are defined:
//
// CATCH_CONFIG_COUNTER : is the __COUNTER__ macro supported?
// CATCH_CONFIG_WINDOWS_SEH : is Windows SEH supported?
// CATCH_CONFIG_POSIX_SIGNALS : are POSIX signals supported?
// ****************
// Note to maintainers: if new toggles are added please document them
// in configuration.md, too
// ****************

// In general each macro has a _NO_<feature name> form
// (e.g. CATCH_CONFIG_NO_POSIX_SIGNALS) which disables the feature.
// Many features, at point of detection, define an _INTERNAL_ macro, so they
// can be combined, en-mass, with the _NO_ forms later.

#ifdef __cplusplus

#  if __cplusplus >= 201402L
#    define CATCH_CPP14_OR_GREATER
#  endif

#  if __cplusplus >= 201703L
#    define CATCH_CPP17_OR_GREATER
#  endif

#endif

#if defined(CATCH_CPP17_OR_GREATER)
#  define CATCH_INTERNAL_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS
#endif

#ifdef __clang__

#       define CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
            _Pragma( "clang diagnostic push" ) \
            _Pragma( "clang diagnostic ignored \"-Wexit-time-destructors\"" ) \
            _Pragma( "clang diagnostic ignored \"-Wglobal-constructors\"")
#       define CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS \
            _Pragma( "clang diagnostic pop" )

#       define CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS \
            _Pragma( "clang diagnostic push" ) \
            _Pragma( "clang diagnostic ignored \"-Wparentheses\"" )
#       define CATCH_INTERNAL_UNSUPPRESS_PARENTHESES_WARNINGS \
            _Pragma( "clang diagnostic pop" )

#endif // __clang__

////////////////////////////////////////////////////////////////////////////////
// Assume that non-Windows platforms support posix signals by default
#if !defined(CATCH_PLATFORM_WINDOWS)
#define CATCH_INTERNAL_CONFIG_POSIX_SIGNALS
#endif

////////////////////////////////////////////////////////////////////////////////
// We know some environments not to support full POSIX signals
#if defined(__CYGWIN__) || defined(__QNX__) || defined(__EMSCRIPTEN__) || defined(__DJGPP__)
#define CATCH_INTERNAL_CONFIG_NO_POSIX_SIGNALS
#endif

#ifdef __OS400__
#       define CATCH_INTERNAL_CONFIG_NO_POSIX_SIGNALS
#       define CATCH_CONFIG_COLOUR_NONE
#endif

////////////////////////////////////////////////////////////////////////////////
// Cygwin
#ifdef __CYGWIN__

// Required for some versions of Cygwin to declare gettimeofday
// see: http://stackoverflow.com/questions/36901803/gettimeofday-not-declared-in-this-scope-cygwin
#   define _BSD_SOURCE

#endif // __CYGWIN__

////////////////////////////////////////////////////////////////////////////////
// Visual C++
#ifdef _MSC_VER

#  if _MSC_VER >= 1900 // Visual Studio 2015 or newer
#    define CATCH_INTERNAL_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS
#  endif

// Universal Windows platform does not support SEH
// Or console colours (or console at all...)
#  if defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_APP)
#    define CATCH_CONFIG_COLOUR_NONE
#  else
#    define CATCH_INTERNAL_CONFIG_WINDOWS_SEH
#  endif

#endif // _MSC_VER

////////////////////////////////////////////////////////////////////////////////

// DJGPP
#ifdef __DJGPP__
#  define CATCH_INTERNAL_CONFIG_NO_WCHAR
#endif // __DJGPP__

////////////////////////////////////////////////////////////////////////////////

// Use of __COUNTER__ is suppressed during code analysis in
// CLion/AppCode 2017.2.x and former, because __COUNTER__ is not properly
// handled by it.
// Otherwise all supported compilers support COUNTER macro,
// but user still might want to turn it off
#if ( !defined(__JETBRAINS_IDE__) || __JETBRAINS_IDE__ >= 20170300L )
#define CATCH_INTERNAL_CONFIG_COUNTER
#endif

#if defined(CATCH_INTERNAL_CONFIG_COUNTER) && !defined(CATCH_CONFIG_NO_COUNTER) && !defined(CATCH_CONFIG_COUNTER)
#   define CATCH_CONFIG_COUNTER
#endif
#if defined(CATCH_INTERNAL_CONFIG_WINDOWS_SEH) && !defined(CATCH_CONFIG_NO_WINDOWS_SEH) && !defined(CATCH_CONFIG_WINDOWS_SEH)
#   define CATCH_CONFIG_WINDOWS_SEH
#endif
// This is set by default, because we assume that unix compilers are posix-signal-compatible by default.
#if defined(CATCH_INTERNAL_CONFIG_POSIX_SIGNALS) && !defined(CATCH_INTERNAL_CONFIG_NO_POSIX_SIGNALS) && !defined(CATCH_CONFIG_NO_POSIX_SIGNALS) && !defined(CATCH_CONFIG_POSIX_SIGNALS)
#   define CATCH_CONFIG_POSIX_SIGNALS
#endif
// This is set by default, because we assume that compilers with no wchar_t support are just rare exceptions.
#if !defined(CATCH_INTERNAL_CONFIG_NO_WCHAR) && !defined(CATCH_CONFIG_NO_WCHAR) && !defined(CATCH_CONFIG_WCHAR)
#   define CATCH_CONFIG_WCHAR
#endif

#if defined(CATCH_INTERNAL_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS) && !defined(CATCH_CONFIG_NO_CPP17_UNCAUGHT_EXCEPTIONS) && !defined(CATCH_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS)
#  define CATCH_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS
#endif

#if !defined(CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS)
#   define CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS
#   define CATCH_INTERNAL_UNSUPPRESS_PARENTHESES_WARNINGS
#endif
#if !defined(CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS)
#   define CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS
#   define CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS
#endif

// end catch_compiler_capabilities.h
#define INTERNAL_CATCH_UNIQUE_NAME_LINE2( name, line ) name##line
#define INTERNAL_CATCH_UNIQUE_NAME_LINE( name, line ) INTERNAL_CATCH_UNIQUE_NAME_LINE2( name, line )
#ifdef CATCH_CONFIG_COUNTER
#  define INTERNAL_CATCH_UNIQUE_NAME( name ) INTERNAL_CATCH_UNIQUE_NAME_LINE( name, __COUNTER__ )
#else
#  define INTERNAL_CATCH_UNIQUE_NAME( name ) INTERNAL_CATCH_UNIQUE_NAME_LINE( name, __LINE__ )
#endif

#include <iosfwd>
#include <string>
#include <cstdint>

namespace Catch {

	struct CaseSensitive {
		enum Choice {
			Yes,
			No
		};
	};

	class NonCopyable {
		NonCopyable(NonCopyable const&) = delete;
		NonCopyable(NonCopyable &&) = delete;
		NonCopyable& operator = (NonCopyable const&) = delete;
		NonCopyable& operator = (NonCopyable &&) = delete;

	protected:
		NonCopyable();
		virtual ~NonCopyable();
	};

	struct SourceLineInfo {

		SourceLineInfo() = delete;
		SourceLineInfo(char const* _file, std::size_t _line) noexcept
			:   file(_file),
			line(_line)
		{}

		SourceLineInfo(SourceLineInfo const& other) = default;
		SourceLineInfo(SourceLineInfo &&) = default;
		SourceLineInfo& operator = (SourceLineInfo const&) = default;
		SourceLineInfo& operator = (SourceLineInfo &&) = default;

		bool empty() const noexcept;
		bool operator == (SourceLineInfo const& other) const noexcept;
		bool operator < (SourceLineInfo const& other) const noexcept;

		char const* file;
		std::size_t line;
	};

	std::ostream& operator << (std::ostream& os, SourceLineInfo const& info);

	// Use this in variadic streaming macros to allow
	//    >> +StreamEndStop
	// as well as
	//    >> stuff +StreamEndStop
	struct StreamEndStop {
		std::string operator+() const;
	};
	template<typename T>
	T const& operator + (T const& value, StreamEndStop) {
		return value;
	}
}

#define CATCH_INTERNAL_LINEINFO \
    ::Catch::SourceLineInfo( __FILE__, static_cast<std::size_t>( __LINE__ ) )

// end catch_common.h
namespace Catch {

	struct RegistrarForTagAliases {
		RegistrarForTagAliases(char const* alias, char const* tag, SourceLineInfo const& lineInfo);
	};

} // end namespace Catch

#define CATCH_REGISTER_TAG_ALIAS( alias, spec ) \
    CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
    namespace{ Catch::RegistrarForTagAliases INTERNAL_CATCH_UNIQUE_NAME( AutoRegisterTagAlias )( alias, spec, CATCH_INTERNAL_LINEINFO ); } \
    CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS

  // end catch_tag_alias_autoregistrar.h
  // start catch_test_registry.h

  // start catch_interfaces_testcase.h

#include <vector>
#include <memory>

namespace Catch {

	class TestSpec;

	struct ITestInvoker {
		virtual void invoke() const = 0;
		virtual ~ITestInvoker();
	};

	using ITestCasePtr = std::shared_ptr<ITestInvoker>;

	class TestCase;
	struct IConfig;

	struct ITestCaseRegistry {
		virtual ~ITestCaseRegistry();
		virtual std::vector<TestCase> const& getAllTests() const = 0;
		virtual std::vector<TestCase> const& getAllTestsSorted(IConfig const& config) const = 0;
	};

	bool matchTest(TestCase const& testCase, TestSpec const& testSpec, IConfig const& config);
	std::vector<TestCase> filterTests(std::vector<TestCase> const& testCases, TestSpec const& testSpec, IConfig const& config);
	std::vector<TestCase> const& getAllTestCasesSorted(IConfig const& config);

}

// end catch_interfaces_testcase.h
// start catch_stringref.h

#include <cstddef>
#include <string>
#include <iosfwd>

namespace Catch {

	class StringData;

	/// A non-owning string class (similar to the forthcoming std::string_view)
	/// Note that, because a StringRef may be a substring of another string,
	/// it may not be null terminated. c_str() must return a null terminated
	/// string, however, and so the StringRef will internally take ownership
	/// (taking a copy), if necessary. In theory this ownership is not externally
	/// visible - but it does mean (substring) StringRefs should not be shared between
	/// threads.
	class StringRef {
	public:
		using size_type = std::size_t;

	private:
		friend struct StringRefTestAccess;

		char const* m_start;
		size_type m_size;

		char* m_data = nullptr;

		void takeOwnership();

		static constexpr char const* const s_empty = "";

	public: // construction/ assignment
		StringRef() noexcept
			: StringRef(s_empty, 0)
		{}

		StringRef(StringRef const& other) noexcept
			: m_start(other.m_start),
			m_size(other.m_size)
		{}

		StringRef(StringRef&& other) noexcept
			: m_start(other.m_start),
			m_size(other.m_size),
			m_data(other.m_data)
		{
			other.m_data = nullptr;
		}

		StringRef(char const* rawChars) noexcept;

		StringRef(char const* rawChars, size_type size) noexcept
			:   m_start(rawChars),
			m_size(size)
		{}

		StringRef(std::string const& stdString) noexcept
			: m_start(stdString.c_str()),
			m_size(stdString.size())
		{}

		~StringRef() noexcept {
			delete[] m_data;
		}

		auto operator = (StringRef const &other) noexcept -> StringRef& {
			delete[] m_data;
			m_data = nullptr;
			m_start = other.m_start;
			m_size = other.m_size;
			return *this;
		}

		operator std::string() const;

		void swap(StringRef& other) noexcept;

	public: // operators
		auto operator == (StringRef const& other) const noexcept -> bool;
		auto operator != (StringRef const& other) const noexcept -> bool;

		auto operator[] (size_type index) const noexcept -> char;

	public: // named queries
		auto empty() const noexcept -> bool {
			return m_size == 0;
		}
		auto size() const noexcept -> size_type {
			return m_size;
		}

		auto numberOfCharacters() const noexcept->size_type;
		auto c_str() const -> char const*;

	public: // substrings and searches
		auto substr(size_type start, size_type size) const noexcept->StringRef;

		// Returns the current start pointer.
		// Note that the pointer can change when if the StringRef is a substring
		auto currentData() const noexcept -> char const*;

	private: // ownership queries - may not be consistent between calls
		auto isOwned() const noexcept -> bool;
		auto isSubstring() const noexcept -> bool;
	};

	auto operator + (StringRef const& lhs, StringRef const& rhs)->std::string;
	auto operator + (StringRef const& lhs, char const* rhs)->std::string;
	auto operator + (char const* lhs, StringRef const& rhs)->std::string;

	auto operator += (std::string& lhs, StringRef const& sr)->std::string&;
	auto operator << (std::ostream& os, StringRef const& sr)->std::ostream&;

	inline auto operator "" _sr(char const* rawChars, std::size_t size) noexcept -> StringRef {
		return StringRef(rawChars, size);
	}

} // namespace Catch

  // end catch_stringref.h
namespace Catch {

	template<typename C>
	class TestInvokerAsMethod : public ITestInvoker {
		void (C::*m_testAsMethod)();
	public:
		TestInvokerAsMethod(void (C::*testAsMethod)()) noexcept : m_testAsMethod(testAsMethod) {}

		void invoke() const override {
			C obj;
			(obj.*m_testAsMethod)();
		}
	};

	auto makeTestInvoker(void(*testAsFunction)()) noexcept->ITestInvoker*;

	template<typename C>
	auto makeTestInvoker(void (C::*testAsMethod)()) noexcept -> ITestInvoker* {
		return new(std::nothrow) TestInvokerAsMethod<C>(testAsMethod);
	}

	struct NameAndTags {
		NameAndTags(StringRef const& name_ = StringRef(), StringRef const& tags_ = StringRef()) noexcept;
		StringRef name;
		StringRef tags;
	};

	struct AutoReg : NonCopyable {
		AutoReg(ITestInvoker* invoker, SourceLineInfo const& lineInfo, StringRef const& classOrMethod, NameAndTags const& nameAndTags) noexcept;
		~AutoReg();
	};

} // end namespace Catch

#if defined(CATCH_CONFIG_DISABLE)
#define INTERNAL_CATCH_TESTCASE_NO_REGISTRATION( TestName, ... ) \
        static void TestName()
#define INTERNAL_CATCH_TESTCASE_METHOD_NO_REGISTRATION( TestName, ClassName, ... ) \
        namespace{                        \
            struct TestName : ClassName { \
                void test();              \
            };                            \
        }                                 \
        void TestName::test()

#endif

  ///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_TESTCASE2( TestName, ... ) \
        static void TestName(); \
        CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
        namespace{ Catch::AutoReg INTERNAL_CATCH_UNIQUE_NAME( autoRegistrar )( Catch::makeTestInvoker( &TestName ), CATCH_INTERNAL_LINEINFO, "", Catch::NameAndTags{ __VA_ARGS__ } ); } /* NOLINT */ \
        CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS \
        static void TestName()
#define INTERNAL_CATCH_TESTCASE( ... ) \
        INTERNAL_CATCH_TESTCASE2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ), __VA_ARGS__ )

  ///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_METHOD_AS_TEST_CASE( QualifiedMethod, ... ) \
        CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
        namespace{ Catch::AutoReg INTERNAL_CATCH_UNIQUE_NAME( autoRegistrar )( Catch::makeTestInvoker( &QualifiedMethod ), CATCH_INTERNAL_LINEINFO, "&" #QualifiedMethod, Catch::NameAndTags{ __VA_ARGS__ } ); } /* NOLINT */ \
        CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS

  ///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_TEST_CASE_METHOD2( TestName, ClassName, ... )\
        CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
        namespace{ \
            struct TestName : ClassName{ \
                void test(); \
            }; \
            Catch::AutoReg INTERNAL_CATCH_UNIQUE_NAME( autoRegistrar ) ( Catch::makeTestInvoker( &TestName::test ), CATCH_INTERNAL_LINEINFO, #ClassName, Catch::NameAndTags{ __VA_ARGS__ } ); /* NOLINT */ \
        } \
        CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS \
        void TestName::test()
#define INTERNAL_CATCH_TEST_CASE_METHOD( ClassName, ... ) \
        INTERNAL_CATCH_TEST_CASE_METHOD2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ), ClassName, __VA_ARGS__ )

  ///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_REGISTER_TESTCASE( Function, ... ) \
        CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
        Catch::AutoReg INTERNAL_CATCH_UNIQUE_NAME( autoRegistrar )( Catch::makeTestInvoker( Function ), CATCH_INTERNAL_LINEINFO, "", Catch::NameAndTags{ __VA_ARGS__ } ); /* NOLINT */ \
        CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS

  // end catch_test_registry.h
  // start catch_capture.hpp

  // start catch_assertionhandler.h

  // start catch_assertioninfo.h

  // start catch_result_type.h

namespace Catch {

	// ResultWas::OfType enum
	struct ResultWas {
		enum OfType {
			Unknown = -1,
			Ok = 0,
			Info = 1,
			Warning = 2,

			FailureBit = 0x10,

			ExpressionFailed = FailureBit | 1,
			ExplicitFailure = FailureBit | 2,

			Exception = 0x100 | FailureBit,

			ThrewException = Exception | 1,
			DidntThrowException = Exception | 2,

			FatalErrorCondition = 0x200 | FailureBit

		};
	};

	bool isOk(ResultWas::OfType resultType);
	bool isJustInfo(int flags);

	// ResultDisposition::Flags enum
	struct ResultDisposition {
		enum Flags {
			Normal = 0x01,

			ContinueOnFailure = 0x02,   // Failures fail test, but execution continues
			FalseTest = 0x04,           // Prefix expression with !
			SuppressFail = 0x08         // Failures are reported but do not fail the test
		};
	};

	ResultDisposition::Flags operator | (ResultDisposition::Flags lhs, ResultDisposition::Flags rhs);

	bool shouldContinueOnFailure(int flags);
	inline bool isFalseTest(int flags) { return (flags & ResultDisposition::FalseTest) != 0; }
	bool shouldSuppressFailure(int flags);

} // end namespace Catch

  // end catch_result_type.h
namespace Catch {

	struct AssertionInfo
	{
		StringRef macroName;
		SourceLineInfo lineInfo;
		StringRef capturedExpression;
		ResultDisposition::Flags resultDisposition;

		// We want to delete this constructor but a compiler bug in 4.8 means
		// the struct is then treated as non-aggregate
		//AssertionInfo() = delete;
	};

} // end namespace Catch

  // end catch_assertioninfo.h
  // start catch_decomposer.h

  // start catch_tostring.h

#include <vector>
#include <cstddef>
#include <type_traits>
#include <string>
  // start catch_stream.h

#include <iosfwd>
#include <cstddef>
#include <ostream>

namespace Catch {

	std::ostream& cout();
	std::ostream& cerr();
	std::ostream& clog();

	class StringRef;

	struct IStream {
		virtual ~IStream();
		virtual std::ostream& stream() const = 0;
	};

	auto makeStream(StringRef const &filename)->IStream const*;

	class ReusableStringStream {
		std::size_t m_index;
		std::ostream* m_oss;
	public:
		ReusableStringStream();
		~ReusableStringStream();

		auto str() const->std::string;

		template<typename T>
		auto operator << (T const& value) -> ReusableStringStream& {
			*m_oss << value;
			return *this;
		}
		auto get() -> std::ostream& { return *m_oss; }

		static void cleanup();
	};
}

// end catch_stream.h

#ifdef __OBJC__
// start catch_objc_arc.hpp

#import <Foundation/Foundation.h>

#ifdef __has_feature
#define CATCH_ARC_ENABLED __has_feature(objc_arc)
#else
#define CATCH_ARC_ENABLED 0
#endif

void arcSafeRelease(NSObject* obj);
id performOptionalSelector(id obj, SEL sel);

#if !CATCH_ARC_ENABLED
inline void arcSafeRelease(NSObject* obj) {
	[obj release];
}
inline id performOptionalSelector(id obj, SEL sel) {
	if ([obj respondsToSelector : sel])
		return[obj performSelector : sel];
	return nil;
}
#define CATCH_UNSAFE_UNRETAINED
#define CATCH_ARC_STRONG
#else
inline void arcSafeRelease(NSObject*) {}
inline id performOptionalSelector(id obj, SEL sel) {
#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
#endif
	if ([obj respondsToSelector : sel])
		return[obj performSelector : sel];
#ifdef __clang__
#pragma clang diagnostic pop
#endif
	return nil;
}
#define CATCH_UNSAFE_UNRETAINED __unsafe_unretained
#define CATCH_ARC_STRONG __strong
#endif

// end catch_objc_arc.hpp
#endif

#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable:4180) // We attempt to stream a function (address) by const&, which MSVC complains about but is harmless
#endif

// We need a dummy global operator<< so we can bring it into Catch namespace later
struct Catch_global_namespace_dummy {};
std::ostream& operator<<(std::ostream&, Catch_global_namespace_dummy);

namespace Catch {
	// Bring in operator<< from global namespace into Catch namespace
	using ::operator<<;

	namespace Detail {

		extern const std::string unprintableString;

		std::string rawMemoryToString(const void *object, std::size_t size);

		template<typename T>
		std::string rawMemoryToString(const T& object) {
			return rawMemoryToString(&object, sizeof(object));
		}

		template<typename T>
		class IsStreamInsertable {
			template<typename SS, typename TT>
			static auto test(int)
				-> decltype(std::declval<SS&>() << std::declval<TT>(), std::true_type());

			template<typename, typename>
			static auto test(...)->std::false_type;

		public:
			static const bool value = decltype(test<std::ostream, const T&>(0))::value;
		};

		template<typename E>
		std::string convertUnknownEnumToString(E e);

		template<typename T>
		typename std::enable_if<!std::is_enum<T>::value, std::string>::type convertUnstreamable(T const& value) {
#if !defined(CATCH_CONFIG_FALLBACK_STRINGIFIER)
			(void)value;
			return Detail::unprintableString;
#else
			return CATCH_CONFIG_FALLBACK_STRINGIFIER(value);
#endif
		}
		template<typename T>
		typename std::enable_if<std::is_enum<T>::value, std::string>::type convertUnstreamable(T const& value) {
			return convertUnknownEnumToString(value);
		}

#if defined(_MANAGED)
		//! Convert a CLR string to a utf8 std::string
		template<typename T>
		std::string clrReferenceToString(T^ ref) {
			if (ref == nullptr)
				return std::string("null");
			auto bytes = System::Text::Encoding::UTF8->GetBytes(ref->ToString());
			cli::pin_ptr<System::Byte> p = &bytes[0];
			return std::string(reinterpret_cast<char const *>(p), bytes->Length);
		}
#endif

	} // namespace Detail

	  // If we decide for C++14, change these to enable_if_ts
	template <typename T, typename = void>
	struct StringMaker {
		template <typename Fake = T>
		static
			typename std::enable_if<::Catch::Detail::IsStreamInsertable<Fake>::value, std::string>::type
			convert(const Fake& value) {
			ReusableStringStream rss;
			rss << value;
			return rss.str();
		}

		template <typename Fake = T>
		static
			typename std::enable_if<!::Catch::Detail::IsStreamInsertable<Fake>::value, std::string>::type
			convert(const Fake& value) {
			return Detail::convertUnstreamable(value);
		}
	};

	namespace Detail {

		// This function dispatches all stringification requests inside of Catch.
		// Should be preferably called fully qualified, like ::Catch::Detail::stringify
		template <typename T>
		std::string stringify(const T& e) {
			return ::Catch::StringMaker<typename std::remove_cv<typename std::remove_reference<T>::type>::type>::convert(e);
		}

		template<typename E>
		std::string convertUnknownEnumToString(E e) {
			return ::Catch::Detail::stringify(static_cast<typename std::underlying_type<E>::type>(e));
		}

#if defined(_MANAGED)
		template <typename T>
		std::string stringify(T^ e) {
			return ::Catch::StringMaker<T^>::convert(e);
		}
#endif

	} // namespace Detail

	  // Some predefined specializations

	template<>
	struct StringMaker<std::string> {
		static std::string convert(const std::string& str);
	};
#ifdef CATCH_CONFIG_WCHAR
	template<>
	struct StringMaker<std::wstring> {
		static std::string convert(const std::wstring& wstr);
	};
#endif

	template<>
	struct StringMaker<char const *> {
		static std::string convert(char const * str);
	};
	template<>
	struct StringMaker<char *> {
		static std::string convert(char * str);
	};

#ifdef CATCH_CONFIG_WCHAR
	template<>
	struct StringMaker<wchar_t const *> {
		static std::string convert(wchar_t const * str);
	};
	template<>
	struct StringMaker<wchar_t *> {
		static std::string convert(wchar_t * str);
	};
#endif

	// TBD: Should we use `strnlen` to ensure that we don't go out of the buffer,
	//      while keeping string semantics?
	template<int SZ>
	struct StringMaker<char[SZ]> {
		static std::string convert(char const* str) {
			return ::Catch::Detail::stringify(std::string{ str });
		}
	};
	template<int SZ>
	struct StringMaker<signed char[SZ]> {
		static std::string convert(signed char const* str) {
			return ::Catch::Detail::stringify(std::string{ reinterpret_cast<char const *>(str) });
		}
	};
	template<int SZ>
	struct StringMaker<unsigned char[SZ]> {
		static std::string convert(unsigned char const* str) {
			return ::Catch::Detail::stringify(std::string{ reinterpret_cast<char const *>(str) });
		}
	};

	template<>
	struct StringMaker<int> {
		static std::string convert(int value);
	};
	template<>
	struct StringMaker<long> {
		static std::string convert(long value);
	};
	template<>
	struct StringMaker<long long> {
		static std::string convert(long long value);
	};
	template<>
	struct StringMaker<unsigned int> {
		static std::string convert(unsigned int value);
	};
	template<>
	struct StringMaker<unsigned long> {
		static std::string convert(unsigned long value);
	};
	template<>
	struct StringMaker<unsigned long long> {
		static std::string convert(unsigned long long value);
	};

	template<>
	struct StringMaker<bool> {
		static std::string convert(bool b);
	};

	template<>
	struct StringMaker<char> {
		static std::string convert(char c);
	};
	template<>
	struct StringMaker<signed char> {
		static std::string convert(signed char c);
	};
	template<>
	struct StringMaker<unsigned char> {
		static std::string convert(unsigned char c);
	};

	template<>
	struct StringMaker<std::nullptr_t> {
		static std::string convert(std::nullptr_t);
	};

	template<>
	struct StringMaker<float> {
		static std::string convert(float value);
	};
	template<>
	struct StringMaker<double> {
		static std::string convert(double value);
	};

	template <typename T>
	struct StringMaker<T*> {
		template <typename U>
		static std::string convert(U* p) {
			if (p) {
				return ::Catch::Detail::rawMemoryToString(p);
			}
			else {
				return "nullptr";
			}
		}
	};

	template <typename R, typename C>
	struct StringMaker<R C::*> {
		static std::string convert(R C::* p) {
			if (p) {
				return ::Catch::Detail::rawMemoryToString(p);
			}
			else {
				return "nullptr";
			}
		}
	};

#if defined(_MANAGED)
	template <typename T>
	struct StringMaker<T^> {
		static std::string convert(T^ ref) {
			return ::Catch::Detail::clrReferenceToString(ref);
		}
	};
#endif

	namespace Detail {
		template<typename InputIterator>
		std::string rangeToString(InputIterator first, InputIterator last) {
			ReusableStringStream rss;
			rss << "{ ";
			if (first != last) {
				rss << ::Catch::Detail::stringify(*first);
				for (++first; first != last; ++first)
					rss << ", " << ::Catch::Detail::stringify(*first);
			}
			rss << " }";
			return rss.str();
		}
	}

#ifdef __OBJC__
	template<>
	struct StringMaker<NSString*> {
		static std::string convert(NSString * nsstring) {
			if (!nsstring)
				return "nil";
			return std::string("@") + [nsstring UTF8String];
		}
	};
	template<>
	struct StringMaker<NSObject*> {
		static std::string convert(NSObject* nsObject) {
			return ::Catch::Detail::stringify([nsObject description]);
		}

	};
	namespace Detail {
		inline std::string stringify(NSString* nsstring) {
			return StringMaker<NSString*>::convert(nsstring);
		}

	} // namespace Detail
#endif // __OBJC__

} // namespace Catch

  //////////////////////////////////////////////////////
  // Separate std-lib types stringification, so it can be selectively enabled
  // This means that we do not bring in

#if defined(CATCH_CONFIG_ENABLE_ALL_STRINGMAKERS)
#  define CATCH_CONFIG_ENABLE_PAIR_STRINGMAKER
#  define CATCH_CONFIG_ENABLE_TUPLE_STRINGMAKER
#  define CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER
#endif

  // Separate std::pair specialization
#if defined(CATCH_CONFIG_ENABLE_PAIR_STRINGMAKER)
#include <utility>
namespace Catch {
	template<typename T1, typename T2>
	struct StringMaker<std::pair<T1, T2> > {
		static std::string convert(const std::pair<T1, T2>& pair) {
			ReusableStringStream rss;
			rss << "{ "
				<< ::Catch::Detail::stringify(pair.first)
				<< ", "
				<< ::Catch::Detail::stringify(pair.second)
				<< " }";
			return rss.str();
		}
	};
}
#endif // CATCH_CONFIG_ENABLE_PAIR_STRINGMAKER

// Separate std::tuple specialization
#if defined(CATCH_CONFIG_ENABLE_TUPLE_STRINGMAKER)
#include <tuple>
namespace Catch {
	namespace Detail {
		template<
			typename Tuple,
			std::size_t N = 0,
			bool = (N < std::tuple_size<Tuple>::value)
			>
			struct TupleElementPrinter {
			static void print(const Tuple& tuple, std::ostream& os) {
				os << (N ? ", " : " ")
					<< ::Catch::Detail::stringify(std::get<N>(tuple));
				TupleElementPrinter<Tuple, N + 1>::print(tuple, os);
			}
		};

		template<
			typename Tuple,
			std::size_t N
		>
			struct TupleElementPrinter<Tuple, N, false> {
			static void print(const Tuple&, std::ostream&) {}
		};

	}

	template<typename ...Types>
	struct StringMaker<std::tuple<Types...>> {
		static std::string convert(const std::tuple<Types...>& tuple) {
			ReusableStringStream rss;
			rss << '{';
			Detail::TupleElementPrinter<std::tuple<Types...>>::print(tuple, rss.get());
			rss << " }";
			return rss.str();
		}
	};
}
#endif // CATCH_CONFIG_ENABLE_TUPLE_STRINGMAKER

namespace Catch {
	struct not_this_one {}; // Tag type for detecting which begin/ end are being selected

							// Import begin/ end from std here so they are considered alongside the fallback (...) overloads in this namespace
	using std::begin;
	using std::end;

	not_this_one begin(...);
	not_this_one end(...);

	template <typename T>
	struct is_range {
		static const bool value =
			!std::is_same<decltype(begin(std::declval<T>())), not_this_one>::value &&
			!std::is_same<decltype(end(std::declval<T>())), not_this_one>::value;
	};

#if defined(_MANAGED) // Managed types are never ranges
	template <typename T>
	struct is_range<T^> {
		static const bool value = false;
	};
#endif

	template<typename Range>
	std::string rangeToString(Range const& range) {
		return ::Catch::Detail::rangeToString(begin(range), end(range));
	}

	// Handle vector<bool> specially
	template<typename Allocator>
	std::string rangeToString(std::vector<bool, Allocator> const& v) {
		ReusableStringStream rss;
		rss << "{ ";
		bool first = true;
		for (bool b : v) {
			if (first)
				first = false;
			else
				rss << ", ";
			rss << ::Catch::Detail::stringify(b);
		}
		rss << " }";
		return rss.str();
	}

	template<typename R>
	struct StringMaker<R, typename std::enable_if<is_range<R>::value && !::Catch::Detail::IsStreamInsertable<R>::value>::type> {
		static std::string convert(R const& range) {
			return rangeToString(range);
		}
	};

	template <typename T, int SZ>
	struct StringMaker<T[SZ]> {
		static std::string convert(T const(&arr)[SZ]) {
			return rangeToString(arr);
		}
	};

} // namespace Catch

  // Separate std::chrono::duration specialization
#if defined(CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER)
#include <ctime>
#include <ratio>
#include <chrono>

namespace Catch {

	template <class Ratio>
	struct ratio_string {
		static std::string symbol();
	};

	template <class Ratio>
	std::string ratio_string<Ratio>::symbol() {
		Catch::ReusableStringStream rss;
		rss << '[' << Ratio::num << '/'
			<< Ratio::den << ']';
		return rss.str();
	}
	template <>
	struct ratio_string<std::atto> {
		static std::string symbol();
	};
	template <>
	struct ratio_string<std::femto> {
		static std::string symbol();
	};
	template <>
	struct ratio_string<std::pico> {
		static std::string symbol();
	};
	template <>
	struct ratio_string<std::nano> {
		static std::string symbol();
	};
	template <>
	struct ratio_string<std::micro> {
		static std::string symbol();
	};
	template <>
	struct ratio_string<std::milli> {
		static std::string symbol();
	};

	////////////
	// std::chrono::duration specializations
	template<typename Value, typename Ratio>
	struct StringMaker<std::chrono::duration<Value, Ratio>> {
		static std::string convert(std::chrono::duration<Value, Ratio> const& duration) {
			ReusableStringStream rss;
			rss << duration.count() << ' ' << ratio_string<Ratio>::symbol() << 's';
			return rss.str();
		}
	};
	template<typename Value>
	struct StringMaker<std::chrono::duration<Value, std::ratio<1>>> {
		static std::string convert(std::chrono::duration<Value, std::ratio<1>> const& duration) {
			ReusableStringStream rss;
			rss << duration.count() << " s";
			return rss.str();
		}
	};
	template<typename Value>
	struct StringMaker<std::chrono::duration<Value, std::ratio<60>>> {
		static std::string convert(std::chrono::duration<Value, std::ratio<60>> const& duration) {
			ReusableStringStream rss;
			rss << duration.count() << " m";
			return rss.str();
		}
	};
	template<typename Value>
	struct StringMaker<std::chrono::duration<Value, std::ratio<3600>>> {
		static std::string convert(std::chrono::duration<Value, std::ratio<3600>> const& duration) {
			ReusableStringStream rss;
			rss << duration.count() << " h";
			return rss.str();
		}
	};

	////////////
	// std::chrono::time_point specialization
	// Generic time_point cannot be specialized, only std::chrono::time_point<system_clock>
	template<typename Clock, typename Duration>
	struct StringMaker<std::chrono::time_point<Clock, Duration>> {
		static std::string convert(std::chrono::time_point<Clock, Duration> const& time_point) {
			return ::Catch::Detail::stringify(time_point.time_since_epoch()) + " since epoch";
		}
	};
	// std::chrono::time_point<system_clock> specialization
	template<typename Duration>
	struct StringMaker<std::chrono::time_point<std::chrono::system_clock, Duration>> {
		static std::string convert(std::chrono::time_point<std::chrono::system_clock, Duration> const& time_point) {
			auto converted = std::chrono::system_clock::to_time_t(time_point);

#ifdef _MSC_VER
			std::tm timeInfo = {};
			gmtime_s(&timeInfo, &converted);
#else
			std::tm* timeInfo = std::gmtime(&converted);
#endif

			auto const timeStampSize = sizeof("2017-01-16T17:06:45Z");
			char timeStamp[timeStampSize];
			const char * const fmt = "%Y-%m-%dT%H:%M:%SZ";

#ifdef _MSC_VER
			std::strftime(timeStamp, timeStampSize, fmt, &timeInfo);
#else
			std::strftime(timeStamp, timeStampSize, fmt, timeInfo);
#endif
			return std::string(timeStamp);
		}
	};
}
#endif // CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER

#ifdef _MSC_VER
#pragma warning(pop)
#endif

// end catch_tostring.h
#include <iosfwd>

#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable:4389) // '==' : signed/unsigned mismatch
#pragma warning(disable:4018) // more "signed/unsigned mismatch"
#pragma warning(disable:4312) // Converting int to T* using reinterpret_cast (issue on x64 platform)
#pragma warning(disable:4180) // qualifier applied to function type has no meaning
#endif

namespace Catch {

	struct ITransientExpression {
		auto isBinaryExpression() const -> bool { return m_isBinaryExpression; }
		auto getResult() const -> bool { return m_result; }
		virtual void streamReconstructedExpression(std::ostream &os) const = 0;

		ITransientExpression(bool isBinaryExpression, bool result)
			: m_isBinaryExpression(isBinaryExpression),
			m_result(result)
		{}

		// We don't actually need a virtual destructor, but many static analysers
		// complain if it's not here :-(
		virtual ~ITransientExpression();

		bool m_isBinaryExpression;
		bool m_result;

	};

	void formatReconstructedExpression(std::ostream &os, std::string const& lhs, StringRef op, std::string const& rhs);

	template<typename LhsT, typename RhsT>
	class BinaryExpr : public ITransientExpression {
		LhsT m_lhs;
		StringRef m_op;
		RhsT m_rhs;

		void streamReconstructedExpression(std::ostream &os) const override {
			formatReconstructedExpression
			(os, Catch::Detail::stringify(m_lhs), m_op, Catch::Detail::stringify(m_rhs));
		}

	public:
		BinaryExpr(bool comparisonResult, LhsT lhs, StringRef op, RhsT rhs)
			: ITransientExpression{ true, comparisonResult },
			m_lhs(lhs),
			m_op(op),
			m_rhs(rhs)
		{}
	};

	template<typename LhsT>
	class UnaryExpr : public ITransientExpression {
		LhsT m_lhs;

		void streamReconstructedExpression(std::ostream &os) const override {
			os << Catch::Detail::stringify(m_lhs);
		}

	public:
		explicit UnaryExpr(LhsT lhs)
			: ITransientExpression{ false, lhs ? true : false },
			m_lhs(lhs)
		{}
	};

	// Specialised comparison functions to handle equality comparisons between ints and pointers (NULL deduces as an int)
	template<typename LhsT, typename RhsT>
	auto compareEqual(LhsT const& lhs, RhsT const& rhs) -> bool { return static_cast<bool>(lhs == rhs); }
	template<typename T>
	auto compareEqual(T* const& lhs, int rhs) -> bool { return lhs == reinterpret_cast<void const*>(rhs); }
	template<typename T>
	auto compareEqual(T* const& lhs, long rhs) -> bool { return lhs == reinterpret_cast<void const*>(rhs); }
	template<typename T>
	auto compareEqual(int lhs, T* const& rhs) -> bool { return reinterpret_cast<void const*>(lhs) == rhs; }
	template<typename T>
	auto compareEqual(long lhs, T* const& rhs) -> bool { return reinterpret_cast<void const*>(lhs) == rhs; }

	template<typename LhsT, typename RhsT>
	auto compareNotEqual(LhsT const& lhs, RhsT&& rhs) -> bool { return static_cast<bool>(lhs != rhs); }
	template<typename T>
	auto compareNotEqual(T* const& lhs, int rhs) -> bool { return lhs != reinterpret_cast<void const*>(rhs); }
	template<typename T>
	auto compareNotEqual(T* const& lhs, long rhs) -> bool { return lhs != reinterpret_cast<void const*>(rhs); }
	template<typename T>
	auto compareNotEqual(int lhs, T* const& rhs) -> bool { return reinterpret_cast<void const*>(lhs) != rhs; }
	template<typename T>
	auto compareNotEqual(long lhs, T* const& rhs) -> bool { return reinterpret_cast<void const*>(lhs) != rhs; }

	template<typename LhsT>
	class ExprLhs {
		LhsT m_lhs;
	public:
		explicit ExprLhs(LhsT lhs) : m_lhs(lhs) {}

		template<typename RhsT>
		auto operator == (RhsT const& rhs) -> BinaryExpr<LhsT, RhsT const&> const {
			return { compareEqual(m_lhs, rhs), m_lhs, "==", rhs };
		}
		auto operator == (bool rhs) -> BinaryExpr<LhsT, bool> const {
			return { m_lhs == rhs, m_lhs, "==", rhs };
		}

		template<typename RhsT>
		auto operator != (RhsT const& rhs) -> BinaryExpr<LhsT, RhsT const&> const {
			return { compareNotEqual(m_lhs, rhs), m_lhs, "!=", rhs };
		}
		auto operator != (bool rhs) -> BinaryExpr<LhsT, bool> const {
			return { m_lhs != rhs, m_lhs, "!=", rhs };
		}

		template<typename RhsT>
		auto operator > (RhsT const& rhs) -> BinaryExpr<LhsT, RhsT const&> const {
			return { static_cast<bool>(m_lhs > rhs), m_lhs, ">", rhs };
		}
		template<typename RhsT>
		auto operator < (RhsT const& rhs) -> BinaryExpr<LhsT, RhsT const&> const {
			return { static_cast<bool>(m_lhs < rhs), m_lhs, "<", rhs };
		}
		template<typename RhsT>
		auto operator >= (RhsT const& rhs) -> BinaryExpr<LhsT, RhsT const&> const {
			return { static_cast<bool>(m_lhs >= rhs), m_lhs, ">=", rhs };
		}
		template<typename RhsT>
		auto operator <= (RhsT const& rhs) -> BinaryExpr<LhsT, RhsT const&> const {
			return { static_cast<bool>(m_lhs <= rhs), m_lhs, "<=", rhs };
		}

		auto makeUnaryExpr() const -> UnaryExpr<LhsT> {
			return UnaryExpr<LhsT>{ m_lhs };
		}
	};

	void handleExpression(ITransientExpression const& expr);

	template<typename T>
	void handleExpression(ExprLhs<T> const& expr) {
		handleExpression(expr.makeUnaryExpr());
	}

	struct Decomposer {
		template<typename T>
		auto operator <= (T const& lhs) -> ExprLhs<T const&> {
			return ExprLhs<T const&>{ lhs };
		}

		auto operator <=(bool value) -> ExprLhs<bool> {
			return ExprLhs<bool>{ value };
		}
	};

} // end namespace Catch

#ifdef _MSC_VER
#pragma warning(pop)
#endif

  // end catch_decomposer.h
  // start catch_interfaces_capture.h

#include <string>

namespace Catch {

	class AssertionResult;
	struct AssertionInfo;
	struct SectionInfo;
	struct SectionEndInfo;
	struct MessageInfo;
	struct Counts;
	struct BenchmarkInfo;
	struct BenchmarkStats;
	struct AssertionReaction;

	struct ITransientExpression;

	struct IResultCapture {

		virtual ~IResultCapture();

		virtual bool sectionStarted(SectionInfo const& sectionInfo,
			Counts& assertions) = 0;
		virtual void sectionEnded(SectionEndInfo const& endInfo) = 0;
		virtual void sectionEndedEarly(SectionEndInfo const& endInfo) = 0;

		virtual void benchmarkStarting(BenchmarkInfo const& info) = 0;
		virtual void benchmarkEnded(BenchmarkStats const& stats) = 0;

		virtual void pushScopedMessage(MessageInfo const& message) = 0;
		virtual void popScopedMessage(MessageInfo const& message) = 0;

		virtual void handleFatalErrorCondition(StringRef message) = 0;

		virtual void handleExpr
		(AssertionInfo const& info,
			ITransientExpression const& expr,
			AssertionReaction& reaction) = 0;
		virtual void handleMessage
		(AssertionInfo const& info,
			ResultWas::OfType resultType,
			StringRef const& message,
			AssertionReaction& reaction) = 0;
		virtual void handleUnexpectedExceptionNotThrown
		(AssertionInfo const& info,
			AssertionReaction& reaction) = 0;
		virtual void handleUnexpectedInflightException
		(AssertionInfo const& info,
			std::string const& message,
			AssertionReaction& reaction) = 0;
		virtual void handleIncomplete
		(AssertionInfo const& info) = 0;
		virtual void handleNonExpr
		(AssertionInfo const &info,
			ResultWas::OfType resultType,
			AssertionReaction &reaction) = 0;

		virtual bool lastAssertionPassed() = 0;
		virtual void assertionPassed() = 0;

		// Deprecated, do not use:
		virtual std::string getCurrentTestName() const = 0;
		virtual const AssertionResult* getLastResult() const = 0;
		virtual void exceptionEarlyReported() = 0;
	};

	IResultCapture& getResultCapture();
}

// end catch_interfaces_capture.h
namespace Catch {

	struct TestFailureException {};
	struct AssertionResultData;
	struct IResultCapture;
	class RunContext;

	class LazyExpression {
		friend class AssertionHandler;
		friend struct AssertionStats;
		friend class RunContext;

		ITransientExpression const* m_transientExpression = nullptr;
		bool m_isNegated;
	public:
		LazyExpression(bool isNegated);
		LazyExpression(LazyExpression const& other);
		LazyExpression& operator = (LazyExpression const&) = delete;

		explicit operator bool() const;

		friend auto operator << (std::ostream& os, LazyExpression const& lazyExpr)->std::ostream&;
	};

	struct AssertionReaction {
		bool shouldDebugBreak = false;
		bool shouldThrow = false;
	};

	class AssertionHandler {
		AssertionInfo m_assertionInfo;
		AssertionReaction m_reaction;
		bool m_completed = false;
		IResultCapture& m_resultCapture;

	public:
		AssertionHandler
		(StringRef macroName,
			SourceLineInfo const& lineInfo,
			StringRef capturedExpression,
			ResultDisposition::Flags resultDisposition);
		~AssertionHandler() {
			if (!m_completed) {
				m_resultCapture.handleIncomplete(m_assertionInfo);
			}
		}

		template<typename T>
		void handleExpr(ExprLhs<T> const& expr) {
			handleExpr(expr.makeUnaryExpr());
		}
		void handleExpr(ITransientExpression const& expr);

		void handleMessage(ResultWas::OfType resultType, StringRef const& message);

		void handleExceptionThrownAsExpected();
		void handleUnexpectedExceptionNotThrown();
		void handleExceptionNotThrownAsExpected();
		void handleThrowingCallSkipped();
		void handleUnexpectedInflightException();

		void complete();
		void setCompleted();

		// query
		auto allowThrows() const -> bool;
	};

	void handleExceptionMatchExpr(AssertionHandler& handler, std::string const& str, StringRef matcherString);

} // namespace Catch

  // end catch_assertionhandler.h
  // start catch_message.h

#include <string>

namespace Catch {

	struct MessageInfo {
		MessageInfo(std::string const& _macroName,
			SourceLineInfo const& _lineInfo,
			ResultWas::OfType _type);

		std::string macroName;
		std::string message;
		SourceLineInfo lineInfo;
		ResultWas::OfType type;
		unsigned int sequence;

		bool operator == (MessageInfo const& other) const;
		bool operator < (MessageInfo const& other) const;
	private:
		static unsigned int globalCount;
	};

	struct MessageStream {

		template<typename T>
		MessageStream& operator << (T const& value) {
			m_stream << value;
			return *this;
		}

		ReusableStringStream m_stream;
	};

	struct MessageBuilder : MessageStream {
		MessageBuilder(std::string const& macroName,
			SourceLineInfo const& lineInfo,
			ResultWas::OfType type);

		template<typename T>
		MessageBuilder& operator << (T const& value) {
			m_stream << value;
			return *this;
		}

		MessageInfo m_info;
	};

	class ScopedMessage {
	public:
		explicit ScopedMessage(MessageBuilder const& builder);
		~ScopedMessage();

		MessageInfo m_info;
	};

} // end namespace Catch

  // end catch_message.h
#if !defined(CATCH_CONFIG_DISABLE)

#if !defined(CATCH_CONFIG_DISABLE_STRINGIFICATION)
#define CATCH_INTERNAL_STRINGIFY(...) #__VA_ARGS__
#else
#define CATCH_INTERNAL_STRINGIFY(...) "Disabled by CATCH_CONFIG_DISABLE_STRINGIFICATION"
#endif

#if defined(CATCH_CONFIG_FAST_COMPILE)

  ///////////////////////////////////////////////////////////////////////////////
  // Another way to speed-up compilation is to omit local try-catch for REQUIRE*
  // macros.
#define INTERNAL_CATCH_TRY
#define INTERNAL_CATCH_CATCH( capturer )

#else // CATCH_CONFIG_FAST_COMPILE

#define INTERNAL_CATCH_TRY try
#define INTERNAL_CATCH_CATCH( handler ) catch(...) { handler.handleUnexpectedInflightException(); }

#endif

#define INTERNAL_CATCH_REACT( handler ) handler.complete();

  ///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_TEST( macroName, resultDisposition, ... ) \
    do { \
        Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), resultDisposition ); \
        INTERNAL_CATCH_TRY { \
            CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS \
            catchAssertionHandler.handleExpr( Catch::Decomposer() <= __VA_ARGS__ ); \
            CATCH_INTERNAL_UNSUPPRESS_PARENTHESES_WARNINGS \
        } INTERNAL_CATCH_CATCH( catchAssertionHandler ) \
        INTERNAL_CATCH_REACT( catchAssertionHandler ) \
    } while( (void)0, false && static_cast<bool>( !!(__VA_ARGS__) ) ) // the expression here is never evaluated at runtime but it forces the compiler to give it a look
  // The double negation silences MSVC's C4800 warning, the static_cast forces short-circuit evaluation if the type has overloaded &&.

  ///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_IF( macroName, resultDisposition, ... ) \
    INTERNAL_CATCH_TEST( macroName, resultDisposition, __VA_ARGS__ ); \
    if( Catch::getResultCapture().lastAssertionPassed() )

  ///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_ELSE( macroName, resultDisposition, ... ) \
    INTERNAL_CATCH_TEST( macroName, resultDisposition, __VA_ARGS__ ); \
    if( !Catch::getResultCapture().lastAssertionPassed() )

  ///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_NO_THROW( macroName, resultDisposition, ... ) \
    do { \
        Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), resultDisposition ); \
        try { \
            static_cast<void>(__VA_ARGS__); \
            catchAssertionHandler.handleExceptionNotThrownAsExpected(); \
        } \
        catch( ... ) { \
            catchAssertionHandler.handleUnexpectedInflightException(); \
        } \
        INTERNAL_CATCH_REACT( catchAssertionHandler ) \
    } while( false )

  ///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_THROWS( macroName, resultDisposition, ... ) \
    do { \
        Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), resultDisposition); \
        if( catchAssertionHandler.allowThrows() ) \
            try { \
                static_cast<void>(__VA_ARGS__); \
                catchAssertionHandler.handleUnexpectedExceptionNotThrown(); \
            } \
            catch( ... ) { \
                catchAssertionHandler.handleExceptionThrownAsExpected(); \
            } \
        else \
            catchAssertionHandler.handleThrowingCallSkipped(); \
        INTERNAL_CATCH_REACT( catchAssertionHandler ) \
    } while( false )

  ///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_THROWS_AS( macroName, exceptionType, resultDisposition, expr ) \
    do { \
        Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(expr) ", " CATCH_INTERNAL_STRINGIFY(exceptionType), resultDisposition ); \
        if( catchAssertionHandler.allowThrows() ) \
            try { \
                static_cast<void>(expr); \
                catchAssertionHandler.handleUnexpectedExceptionNotThrown(); \
            } \
            catch( exceptionType const& ) { \
                catchAssertionHandler.handleExceptionThrownAsExpected(); \
            } \
            catch( ... ) { \
                catchAssertionHandler.handleUnexpectedInflightException(); \
            } \
        else \
            catchAssertionHandler.handleThrowingCallSkipped(); \
        INTERNAL_CATCH_REACT( catchAssertionHandler ) \
    } while( false )

  ///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_MSG( macroName, messageType, resultDisposition, ... ) \
    do { \
        Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, "", resultDisposition ); \
        catchAssertionHandler.handleMessage( messageType, ( Catch::MessageStream() << __VA_ARGS__ + ::Catch::StreamEndStop() ).m_stream.str() ); \
        INTERNAL_CATCH_REACT( catchAssertionHandler ) \
    } while( false )

  ///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_INFO( macroName, log ) \
    Catch::ScopedMessage INTERNAL_CATCH_UNIQUE_NAME( scopedMessage )( Catch::MessageBuilder( macroName, CATCH_INTERNAL_LINEINFO, Catch::ResultWas::Info ) << log );

  ///////////////////////////////////////////////////////////////////////////////
  // Although this is matcher-based, it can be used with just a string
#define INTERNAL_CATCH_THROWS_STR_MATCHES( macroName, resultDisposition, matcher, ... ) \
    do { \
        Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__) ", " CATCH_INTERNAL_STRINGIFY(matcher), resultDisposition ); \
        if( catchAssertionHandler.allowThrows() ) \
            try { \
                static_cast<void>(__VA_ARGS__); \
                catchAssertionHandler.handleUnexpectedExceptionNotThrown(); \
            } \
            catch( ... ) { \
                Catch::handleExceptionMatchExpr( catchAssertionHandler, matcher, #matcher ); \
            } \
        else \
            catchAssertionHandler.handleThrowingCallSkipped(); \
        INTERNAL_CATCH_REACT( catchAssertionHandler ) \
    } while( false )

#endif // CATCH_CONFIG_DISABLE

  // end catch_capture.hpp
  // start catch_section.h

  // start catch_section_info.h

  // start catch_totals.h

#include <cstddef>

namespace Catch {

	struct Counts {
		Counts operator - (Counts const& other) const;
		Counts& operator += (Counts const& other);

		std::size_t total() const;
		bool allPassed() const;
		bool allOk() const;

		std::size_t passed = 0;
		std::size_t failed = 0;
		std::size_t failedButOk = 0;
	};

	struct Totals {

		Totals operator - (Totals const& other) const;
		Totals& operator += (Totals const& other);

		Totals delta(Totals const& prevTotals) const;

		int error = 0;
		Counts assertions;
		Counts testCases;
	};
}

// end catch_totals.h
#include <string>

namespace Catch {

	struct SectionInfo {
		SectionInfo
		(SourceLineInfo const& _lineInfo,
			std::string const& _name,
			std::string const& _description = std::string());

		std::string name;
		std::string description;
		SourceLineInfo lineInfo;
	};

	struct SectionEndInfo {
		SectionEndInfo(SectionInfo const& _sectionInfo, Counts const& _prevAssertions, double _durationInSeconds);

		SectionInfo sectionInfo;
		Counts prevAssertions;
		double durationInSeconds;
	};

} // end namespace Catch

  // end catch_section_info.h
  // start catch_timer.h

#include <cstdint>

namespace Catch {

	auto getCurrentNanosecondsSinceEpoch()->uint64_t;
	auto getEstimatedClockResolution()->uint64_t;

	class Timer {
		uint64_t m_nanoseconds = 0;
	public:
		void start();
		auto getElapsedNanoseconds() const->uint64_t;
		auto getElapsedMicroseconds() const->uint64_t;
		auto getElapsedMilliseconds() const -> unsigned int;
		auto getElapsedSeconds() const -> double;
	};

} // namespace Catch

  // end catch_timer.h
#include <string>

namespace Catch {

	class Section : NonCopyable {
	public:
		Section(SectionInfo const& info);
		~Section();

		// This indicates whether the section should be executed or not
		explicit operator bool() const;

	private:
		SectionInfo m_info;

		std::string m_name;
		Counts m_assertions;
		bool m_sectionIncluded;
		Timer m_timer;
	};

} // end namespace Catch

#define INTERNAL_CATCH_SECTION( ... ) \
        if( Catch::Section const& INTERNAL_CATCH_UNIQUE_NAME( catch_internal_Section ) = Catch::SectionInfo( CATCH_INTERNAL_LINEINFO, __VA_ARGS__ ) )

  // end catch_section.h
  // start catch_benchmark.h

#include <cstdint>
#include <string>

namespace Catch {

	class BenchmarkLooper {

		std::string m_name;
		std::size_t m_count = 0;
		std::size_t m_iterationsToRun = 1;
		uint64_t m_resolution;
		Timer m_timer;

		static auto getResolution()->uint64_t;
	public:
		// Keep most of this inline as it's on the code path that is being timed
		BenchmarkLooper(StringRef name)
			: m_name(name),
			m_resolution(getResolution())
		{
			reportStart();
			m_timer.start();
		}

		explicit operator bool() {
			if (m_count < m_iterationsToRun)
				return true;
			return needsMoreIterations();
		}

		void increment() {
			++m_count;
		}

		void reportStart();
		auto needsMoreIterations() -> bool;
	};

} // end namespace Catch

#define BENCHMARK( name ) \
    for( Catch::BenchmarkLooper looper( name ); looper; looper.increment() )

  // end catch_benchmark.h
  // start catch_interfaces_exception.h

  // start catch_interfaces_registry_hub.h

#include <string>
#include <memory>

namespace Catch {

	class TestCase;
	struct ITestCaseRegistry;
	struct IExceptionTranslatorRegistry;
	struct IExceptionTranslator;
	struct IReporterRegistry;
	struct IReporterFactory;
	struct ITagAliasRegistry;
	class StartupExceptionRegistry;

	using IReporterFactoryPtr = std::shared_ptr<IReporterFactory>;

	struct IRegistryHub {
		virtual ~IRegistryHub();

		virtual IReporterRegistry const& getReporterRegistry() const = 0;
		virtual ITestCaseRegistry const& getTestCaseRegistry() const = 0;
		virtual ITagAliasRegistry const& getTagAliasRegistry() const = 0;

		virtual IExceptionTranslatorRegistry& getExceptionTranslatorRegistry() = 0;

		virtual StartupExceptionRegistry const& getStartupExceptionRegistry() const = 0;
	};

	struct IMutableRegistryHub {
		virtual ~IMutableRegistryHub();
		virtual void registerReporter(std::string const& name, IReporterFactoryPtr const& factory) = 0;
		virtual void registerListener(IReporterFactoryPtr const& factory) = 0;
		virtual void registerTest(TestCase const& testInfo) = 0;
		virtual void registerTranslator(const IExceptionTranslator* translator) = 0;
		virtual void registerTagAlias(std::string const& alias, std::string const& tag, SourceLineInfo const& lineInfo) = 0;
		virtual void registerStartupException() noexcept = 0;
	};

	IRegistryHub& getRegistryHub();
	IMutableRegistryHub& getMutableRegistryHub();
	void cleanUp();
	std::string translateActiveException();

}

// end catch_interfaces_registry_hub.h
#if defined(CATCH_CONFIG_DISABLE)
#define INTERNAL_CATCH_TRANSLATE_EXCEPTION_NO_REG( translatorName, signature) \
        static std::string translatorName( signature )
#endif

#include <exception>
#include <string>
#include <vector>

namespace Catch {
	using exceptionTranslateFunction = std::string(*)();

	struct IExceptionTranslator;
	using ExceptionTranslators = std::vector<std::unique_ptr<IExceptionTranslator const>>;

	struct IExceptionTranslator {
		virtual ~IExceptionTranslator();
		virtual std::string translate(ExceptionTranslators::const_iterator it, ExceptionTranslators::const_iterator itEnd) const = 0;
	};

	struct IExceptionTranslatorRegistry {
		virtual ~IExceptionTranslatorRegistry();

		virtual std::string translateActiveException() const = 0;
	};

	class ExceptionTranslatorRegistrar {
		template<typename T>
		class ExceptionTranslator : public IExceptionTranslator {
		public:

			ExceptionTranslator(std::string(*translateFunction)(T&))
				: m_translateFunction(translateFunction)
			{}

			std::string translate(ExceptionTranslators::const_iterator it, ExceptionTranslators::const_iterator itEnd) const override {
				try {
					if (it == itEnd)
						std::rethrow_exception(std::current_exception());
					else
						return (*it)->translate(it + 1, itEnd);
				}
				catch (T& ex) {
					return m_translateFunction(ex);
				}
			}

		protected:
			std::string(*m_translateFunction)(T&);
		};

	public:
		template<typename T>
		ExceptionTranslatorRegistrar(std::string(*translateFunction)(T&)) {
			getMutableRegistryHub().registerTranslator
			(new ExceptionTranslator<T>(translateFunction));
		}
	};
}

///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_TRANSLATE_EXCEPTION2( translatorName, signature ) \
    static std::string translatorName( signature ); \
    CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
    namespace{ Catch::ExceptionTranslatorRegistrar INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionRegistrar )( &translatorName ); } \
    CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS \
    static std::string translatorName( signature )

#define INTERNAL_CATCH_TRANSLATE_EXCEPTION( signature ) INTERNAL_CATCH_TRANSLATE_EXCEPTION2( INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionTranslator ), signature )

// end catch_interfaces_exception.h
// start catch_approx.h

#include <type_traits>
#include <stdexcept>

namespace Catch {
	namespace Detail {

		class Approx {
		private:
			bool equalityComparisonImpl(double other) const;

		public:
			explicit Approx(double value);

			static Approx custom();

			template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
			Approx operator()(T const& value) {
				Approx approx(static_cast<double>(value));
				approx.epsilon(m_epsilon);
				approx.margin(m_margin);
				approx.scale(m_scale);
				return approx;
			}

			template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
			explicit Approx(T const& value) : Approx(static_cast<double>(value))
			{}

			template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
			friend bool operator == (const T& lhs, Approx const& rhs) {
				auto lhs_v = static_cast<double>(lhs);
				return rhs.equalityComparisonImpl(lhs_v);
			}

			template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
			friend bool operator == (Approx const& lhs, const T& rhs) {
				return operator==(rhs, lhs);
			}

			template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
			friend bool operator != (T const& lhs, Approx const& rhs) {
				return !operator==(lhs, rhs);
			}

			template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
			friend bool operator != (Approx const& lhs, T const& rhs) {
				return !operator==(rhs, lhs);
			}

			template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
			friend bool operator <= (T const& lhs, Approx const& rhs) {
				return static_cast<double>(lhs) < rhs.m_value || lhs == rhs;
			}

			template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
			friend bool operator <= (Approx const& lhs, T const& rhs) {
				return lhs.m_value < static_cast<double>(rhs) || lhs == rhs;
			}

			template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
			friend bool operator >= (T const& lhs, Approx const& rhs) {
				return static_cast<double>(lhs) > rhs.m_value || lhs == rhs;
			}

			template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
			friend bool operator >= (Approx const& lhs, T const& rhs) {
				return lhs.m_value > static_cast<double>(rhs) || lhs == rhs;
			}

			template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
			Approx& epsilon(T const& newEpsilon) {
				double epsilonAsDouble = static_cast<double>(newEpsilon);
				if (epsilonAsDouble < 0 || epsilonAsDouble > 1.0) {
					throw std::domain_error
					("Invalid Approx::epsilon: " +
						Catch::Detail::stringify(epsilonAsDouble) +
						", Approx::epsilon has to be between 0 and 1");
				}
				m_epsilon = epsilonAsDouble;
				return *this;
			}

			template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
			Approx& margin(T const& newMargin) {
				double marginAsDouble = static_cast<double>(newMargin);
				if (marginAsDouble < 0) {
					throw std::domain_error
					("Invalid Approx::margin: " +
						Catch::Detail::stringify(marginAsDouble) +
						", Approx::Margin has to be non-negative.");

				}
				m_margin = marginAsDouble;
				return *this;
			}

			template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
			Approx& scale(T const& newScale) {
				m_scale = static_cast<double>(newScale);
				return *this;
			}

			std::string toString() const;

		private:
			double m_epsilon;
			double m_margin;
			double m_scale;
			double m_value;
		};
	}

	template<>
	struct StringMaker<Catch::Detail::Approx> {
		static std::string convert(Catch::Detail::Approx const& value);
	};

} // end namespace Catch

  // end catch_approx.h
  // start catch_string_manip.h

#include <string>
#include <iosfwd>

namespace Catch {

	bool startsWith(std::string const& s, std::string const& prefix);
	bool startsWith(std::string const& s, char prefix);
	bool endsWith(std::string const& s, std::string const& suffix);
	bool endsWith(std::string const& s, char suffix);
	bool contains(std::string const& s, std::string const& infix);
	void toLowerInPlace(std::string& s);
	std::string toLower(std::string const& s);
	std::string trim(std::string const& str);
	bool replaceInPlace(std::string& str, std::string const& replaceThis, std::string const& withThis);

	struct pluralise {
		pluralise(std::size_t count, std::string const& label);

		friend std::ostream& operator << (std::ostream& os, pluralise const& pluraliser);

		std::size_t m_count;
		std::string m_label;
	};
}

// end catch_string_manip.h
#ifndef CATCH_CONFIG_DISABLE_MATCHERS
// start catch_capture_matchers.h

// start catch_matchers.h

#include <string>
#include <vector>

namespace Catch {
	namespace Matchers {
		namespace Impl {

			template<typename ArgT> struct MatchAllOf;
			template<typename ArgT> struct MatchAnyOf;
			template<typename ArgT> struct MatchNotOf;

			class MatcherUntypedBase {
			public:
				MatcherUntypedBase() = default;
				MatcherUntypedBase(MatcherUntypedBase const&) = default;
				MatcherUntypedBase& operator = (MatcherUntypedBase const&) = delete;
				std::string toString() const;

			protected:
				virtual ~MatcherUntypedBase();
				virtual std::string describe() const = 0;
				mutable std::string m_cachedToString;
			};

			template<typename ObjectT>
			struct MatcherMethod {
				virtual bool match(ObjectT const& arg) const = 0;
			};
			template<typename PtrT>
			struct MatcherMethod<PtrT*> {
				virtual bool match(PtrT* arg) const = 0;
			};

			template<typename T>
			struct MatcherBase : MatcherUntypedBase, MatcherMethod<T> {

				MatchAllOf<T> operator && (MatcherBase const& other) const;
				MatchAnyOf<T> operator || (MatcherBase const& other) const;
				MatchNotOf<T> operator ! () const;
			};

			template<typename ArgT>
			struct MatchAllOf : MatcherBase<ArgT> {
				bool match(ArgT const& arg) const override {
					for (auto matcher : m_matchers) {
						if (!matcher->match(arg))
							return false;
					}
					return true;
				}
				std::string describe() const override {
					std::string description;
					description.reserve(4 + m_matchers.size() * 32);
					description += "( ";
					bool first = true;
					for (auto matcher : m_matchers) {
						if (first)
							first = false;
						else
							description += " and ";
						description += matcher->toString();
					}
					description += " )";
					return description;
				}

				MatchAllOf<ArgT>& operator && (MatcherBase<ArgT> const& other) {
					m_matchers.push_back(&other);
					return *this;
				}

				std::vector<MatcherBase<ArgT> const*> m_matchers;
			};
			template<typename ArgT>
			struct MatchAnyOf : MatcherBase<ArgT> {

				bool match(ArgT const& arg) const override {
					for (auto matcher : m_matchers) {
						if (matcher->match(arg))
							return true;
					}
					return false;
				}
				std::string describe() const override {
					std::string description;
					description.reserve(4 + m_matchers.size() * 32);
					description += "( ";
					bool first = true;
					for (auto matcher : m_matchers) {
						if (first)
							first = false;
						else
							description += " or ";
						description += matcher->toString();
					}
					description += " )";
					return description;
				}

				MatchAnyOf<ArgT>& operator || (MatcherBase<ArgT> const& other) {
					m_matchers.push_back(&other);
					return *this;
				}

				std::vector<MatcherBase<ArgT> const*> m_matchers;
			};

			template<typename ArgT>
			struct MatchNotOf : MatcherBase<ArgT> {

				MatchNotOf(MatcherBase<ArgT> const& underlyingMatcher) : m_underlyingMatcher(underlyingMatcher) {}

				bool match(ArgT const& arg) const override {
					return !m_underlyingMatcher.match(arg);
				}

				std::string describe() const override {
					return "not " + m_underlyingMatcher.toString();
				}
				MatcherBase<ArgT> const& m_underlyingMatcher;
			};

			template<typename T>
			MatchAllOf<T> MatcherBase<T>::operator && (MatcherBase const& other) const {
				return MatchAllOf<T>() && *this && other;
			}
			template<typename T>
			MatchAnyOf<T> MatcherBase<T>::operator || (MatcherBase const& other) const {
				return MatchAnyOf<T>() || *this || other;
			}
			template<typename T>
			MatchNotOf<T> MatcherBase<T>::operator ! () const {
				return MatchNotOf<T>(*this);
			}

		} // namespace Impl

	} // namespace Matchers

	using namespace Matchers;
	using Matchers::Impl::MatcherBase;

} // namespace Catch

  // end catch_matchers.h
  // start catch_matchers_floating.h

#include <type_traits>
#include <cmath>

namespace Catch {
	namespace Matchers {

		namespace Floating {

			enum class FloatingPointKind : uint8_t;

			struct WithinAbsMatcher : MatcherBase<double> {
				WithinAbsMatcher(double target, double margin);
				bool match(double const& matchee) const override;
				std::string describe() const override;
			private:
				double m_target;
				double m_margin;
			};

			struct WithinUlpsMatcher : MatcherBase<double> {
				WithinUlpsMatcher(double target, int ulps, FloatingPointKind baseType);
				bool match(double const& matchee) const override;
				std::string describe() const override;
			private:
				double m_target;
				int m_ulps;
				FloatingPointKind m_type;
			};

		} // namespace Floating

		  // The following functions create the actual matcher objects.
		  // This allows the types to be inferred
		Floating::WithinUlpsMatcher WithinULP(double target, int maxUlpDiff);
		Floating::WithinUlpsMatcher WithinULP(float target, int maxUlpDiff);
		Floating::WithinAbsMatcher WithinAbs(double target, double margin);

	} // namespace Matchers
} // namespace Catch

  // end catch_matchers_floating.h
  // start catch_matchers_generic.hpp

#include <functional>
#include <string>

namespace Catch {
	namespace Matchers {
		namespace Generic {

			namespace Detail {
				std::string finalizeDescription(const std::string& desc);
			}

			template <typename T>
			class PredicateMatcher : public MatcherBase<T> {
				std::function<bool(T const&)> m_predicate;
				std::string m_description;
			public:

				PredicateMatcher(std::function<bool(T const&)> const& elem, std::string const& descr)
					:m_predicate(std::move(elem)),
					m_description(Detail::finalizeDescription(descr))
				{}

				bool match(T const& item) const override {
					return m_predicate(item);
				}

				std::string describe() const override {
					return m_description;
				}
			};

		} // namespace Generic

		  // The following functions create the actual matcher objects.
		  // The user has to explicitly specify type to the function, because
		  // infering std::function<bool(T const&)> is hard (but possible) and
		  // requires a lot of TMP.
		template<typename T>
		Generic::PredicateMatcher<T> Predicate(std::function<bool(T const&)> const& predicate, std::string const& description = "") {
			return Generic::PredicateMatcher<T>(predicate, description);
		}

	} // namespace Matchers
} // namespace Catch

  // end catch_matchers_generic.hpp
  // start catch_matchers_string.h

#include <string>

namespace Catch {
	namespace Matchers {

		namespace StdString {

			struct CasedString
			{
				CasedString(std::string const& str, CaseSensitive::Choice caseSensitivity);
				std::string adjustString(std::string const& str) const;
				std::string caseSensitivitySuffix() const;

				CaseSensitive::Choice m_caseSensitivity;
				std::string m_str;
			};

			struct StringMatcherBase : MatcherBase<std::string> {
				StringMatcherBase(std::string const& operation, CasedString const& comparator);
				std::string describe() const override;

				CasedString m_comparator;
				std::string m_operation;
			};

			struct EqualsMatcher : StringMatcherBase {
				EqualsMatcher(CasedString const& comparator);
				bool match(std::string const& source) const override;
			};
			struct ContainsMatcher : StringMatcherBase {
				ContainsMatcher(CasedString const& comparator);
				bool match(std::string const& source) const override;
			};
			struct StartsWithMatcher : StringMatcherBase {
				StartsWithMatcher(CasedString const& comparator);
				bool match(std::string const& source) const override;
			};
			struct EndsWithMatcher : StringMatcherBase {
				EndsWithMatcher(CasedString const& comparator);
				bool match(std::string const& source) const override;
			};

			struct RegexMatcher : MatcherBase<std::string> {
				RegexMatcher(std::string regex, CaseSensitive::Choice caseSensitivity);
				bool match(std::string const& matchee) const override;
				std::string describe() const override;

			private:
				std::string m_regex;
				CaseSensitive::Choice m_caseSensitivity;
			};

		} // namespace StdString

		  // The following functions create the actual matcher objects.
		  // This allows the types to be inferred

		StdString::EqualsMatcher Equals(std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes);
		StdString::ContainsMatcher Contains(std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes);
		StdString::EndsWithMatcher EndsWith(std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes);
		StdString::StartsWithMatcher StartsWith(std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes);
		StdString::RegexMatcher Matches(std::string const& regex, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes);

	} // namespace Matchers
} // namespace Catch

  // end catch_matchers_string.h
  // start catch_matchers_vector.h

#include <algorithm>

namespace Catch {
	namespace Matchers {

		namespace Vector {
			namespace Detail {
				template <typename InputIterator, typename T>
				size_t count(InputIterator first, InputIterator last, T const& item) {
					size_t cnt = 0;
					for (; first != last; ++first) {
						if (*first == item) {
							++cnt;
						}
					}
					return cnt;
				}
				template <typename InputIterator, typename T>
				bool contains(InputIterator first, InputIterator last, T const& item) {
					for (; first != last; ++first) {
						if (*first == item) {
							return true;
						}
					}
					return false;
				}
			}

			template<typename T>
			struct ContainsElementMatcher : MatcherBase<std::vector<T>> {

				ContainsElementMatcher(T const &comparator) : m_comparator(comparator) {}

				bool match(std::vector<T> const &v) const override {
					for (auto const& el : v) {
						if (el == m_comparator) {
							return true;
						}
					}
					return false;
				}

				std::string describe() const override {
					return "Contains: " + ::Catch::Detail::stringify(m_comparator);
				}

				T const& m_comparator;
			};

			template<typename T>
			struct ContainsMatcher : MatcherBase<std::vector<T>> {

				ContainsMatcher(std::vector<T> const &comparator) : m_comparator(comparator) {}

				bool match(std::vector<T> const &v) const override {
					// !TBD: see note in EqualsMatcher
					if (m_comparator.size() > v.size())
						return false;
					for (auto const& comparator : m_comparator) {
						auto present = false;
						for (const auto& el : v) {
							if (el == comparator) {
								present = true;
								break;
							}
						}
						if (!present) {
							return false;
						}
					}
					return true;
				}
				std::string describe() const override {
					return "Contains: " + ::Catch::Detail::stringify(m_comparator);
				}

				std::vector<T> const& m_comparator;
			};

			template<typename T>
			struct EqualsMatcher : MatcherBase<std::vector<T>> {

				EqualsMatcher(std::vector<T> const &comparator) : m_comparator(comparator) {}

				bool match(std::vector<T> const &v) const override {
					// !TBD: This currently works if all elements can be compared using !=
					// - a more general approach would be via a compare template that defaults
					// to using !=. but could be specialised for, e.g. std::vector<T> etc
					// - then just call that directly
					if (m_comparator.size() != v.size())
						return false;
					for (std::size_t i = 0; i < v.size(); ++i)
						if (m_comparator[i] != v[i])
							return false;
					return true;
				}
				std::string describe() const override {
					return "Equals: " + ::Catch::Detail::stringify(m_comparator);
				}
				std::vector<T> const& m_comparator;
			};

			template<typename T>
			struct UnorderedEqualsMatcher : MatcherBase<std::vector<T>> {
				UnorderedEqualsMatcher(std::vector<T> const& target) : m_target(target) {}
				bool match(std::vector<T> const& vec) const override {
					// Note: This is a reimplementation of std::is_permutation,
					//       because I don't want to include <algorithm> inside the common path
					if (m_target.size() != vec.size()) {
						return false;
					}
					auto lfirst = m_target.begin(), llast = m_target.end();
					auto rfirst = vec.begin(), rlast = vec.end();
					// Cut common prefix to optimize checking of permuted parts
					while (lfirst != llast && *lfirst != *rfirst) {
						++lfirst; ++rfirst;
					}
					if (lfirst == llast) {
						return true;
					}

					for (auto mid = lfirst; mid != llast; ++mid) {
						// Skip already counted items
						if (Detail::contains(lfirst, mid, *mid)) {
							continue;
						}
						size_t num_vec = Detail::count(rfirst, rlast, *mid);
						if (num_vec == 0 || Detail::count(lfirst, llast, *mid) != num_vec) {
							return false;
						}
					}

					return true;
				}

				std::string describe() const override {
					return "UnorderedEquals: " + ::Catch::Detail::stringify(m_target);
				}
			private:
				std::vector<T> const& m_target;
			};

		} // namespace Vector

		  // The following functions create the actual matcher objects.
		  // This allows the types to be inferred

		template<typename T>
		Vector::ContainsMatcher<T> Contains(std::vector<T> const& comparator) {
			return Vector::ContainsMatcher<T>(comparator);
		}

		template<typename T>
		Vector::ContainsElementMatcher<T> VectorContains(T const& comparator) {
			return Vector::ContainsElementMatcher<T>(comparator);
		}

		template<typename T>
		Vector::EqualsMatcher<T> Equals(std::vector<T> const& comparator) {
			return Vector::EqualsMatcher<T>(comparator);
		}

		template<typename T>
		Vector::UnorderedEqualsMatcher<T> UnorderedEquals(std::vector<T> const& target) {
			return Vector::UnorderedEqualsMatcher<T>(target);
		}

	} // namespace Matchers
} // namespace Catch

  // end catch_matchers_vector.h
namespace Catch {

	template<typename ArgT, typename MatcherT>
	class MatchExpr : public ITransientExpression {
		ArgT const& m_arg;
		MatcherT m_matcher;
		StringRef m_matcherString;
	public:
		MatchExpr(ArgT const& arg, MatcherT const& matcher, StringRef matcherString)
			: ITransientExpression{ true, matcher.match(arg) },
			m_arg(arg),
			m_matcher(matcher),
			m_matcherString(matcherString)
		{}

		void streamReconstructedExpression(std::ostream &os) const override {
			auto matcherAsString = m_matcher.toString();
			os << Catch::Detail::stringify(m_arg) << ' ';
			if (matcherAsString == Detail::unprintableString)
				os << m_matcherString;
			else
				os << matcherAsString;
		}
	};

	using StringMatcher = Matchers::Impl::MatcherBase<std::string>;

	void handleExceptionMatchExpr(AssertionHandler& handler, StringMatcher const& matcher, StringRef matcherString);

	template<typename ArgT, typename MatcherT>
	auto makeMatchExpr(ArgT const& arg, MatcherT const& matcher, StringRef matcherString) -> MatchExpr<ArgT, MatcherT> {
		return MatchExpr<ArgT, MatcherT>(arg, matcher, matcherString);
	}

} // namespace Catch

  ///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CHECK_THAT( macroName, matcher, resultDisposition, arg ) \
    do { \
        Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(arg) ", " CATCH_INTERNAL_STRINGIFY(matcher), resultDisposition ); \
        INTERNAL_CATCH_TRY { \
            catchAssertionHandler.handleExpr( Catch::makeMatchExpr( arg, matcher, #matcher ) ); \
        } INTERNAL_CATCH_CATCH( catchAssertionHandler ) \
        INTERNAL_CATCH_REACT( catchAssertionHandler ) \
    } while( false )

  ///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_THROWS_MATCHES( macroName, exceptionType, resultDisposition, matcher, ... ) \
    do { \
        Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__) ", " CATCH_INTERNAL_STRINGIFY(exceptionType) ", " CATCH_INTERNAL_STRINGIFY(matcher), resultDisposition ); \
        if( catchAssertionHandler.allowThrows() ) \
            try { \
                static_cast<void>(__VA_ARGS__ ); \
                catchAssertionHandler.handleUnexpectedExceptionNotThrown(); \
            } \
            catch( exceptionType const& ex ) { \
                catchAssertionHandler.handleExpr( Catch::makeMatchExpr( ex, matcher, #matcher ) ); \
            } \
            catch( ... ) { \
                catchAssertionHandler.handleUnexpectedInflightException(); \
            } \
        else \
            catchAssertionHandler.handleThrowingCallSkipped(); \
        INTERNAL_CATCH_REACT( catchAssertionHandler ) \
    } while( false )

  // end catch_capture_matchers.h
#endif

  // These files are included here so the single_include script doesn't put them
  // in the conditionally compiled sections
  // start catch_test_case_info.h

#include <string>
#include <vector>
#include <memory>

#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wpadded"
#endif

namespace Catch {

	struct ITestInvoker;

	struct TestCaseInfo {
		enum SpecialProperties {
			None = 0,
			IsHidden = 1 << 1,
			ShouldFail = 1 << 2,
			MayFail = 1 << 3,
			Throws = 1 << 4,
			NonPortable = 1 << 5,
			Benchmark = 1 << 6
		};

		TestCaseInfo(std::string const& _name,
			std::string const& _className,
			std::string const& _description,
			std::vector<std::string> const& _tags,
			SourceLineInfo const& _lineInfo);

		friend void setTags(TestCaseInfo& testCaseInfo, std::vector<std::string> tags);

		bool isHidden() const;
		bool throws() const;
		bool okToFail() const;
		bool expectedToFail() const;

		std::string tagsAsString() const;

		std::string name;
		std::string className;
		std::string description;
		std::vector<std::string> tags;
		std::vector<std::string> lcaseTags;
		SourceLineInfo lineInfo;
		SpecialProperties properties;
	};

	class TestCase : public TestCaseInfo {
	public:

		TestCase(ITestInvoker* testCase, TestCaseInfo&& info);

		TestCase withName(std::string const& _newName) const;

		void invoke() const;

		TestCaseInfo const& getTestCaseInfo() const;

		bool operator == (TestCase const& other) const;
		bool operator < (TestCase const& other) const;

	private:
		std::shared_ptr<ITestInvoker> test;
	};

	TestCase makeTestCase(ITestInvoker* testCase,
		std::string const& className,
		NameAndTags const& nameAndTags,
		SourceLineInfo const& lineInfo);
}

#ifdef __clang__
#pragma clang diagnostic pop
#endif

// end catch_test_case_info.h
// start catch_interfaces_runner.h

namespace Catch {

	struct IRunner {
		virtual ~IRunner();
		virtual bool aborting() const = 0;
	};
}

// end catch_interfaces_runner.h

#ifdef __OBJC__
// start catch_objc.hpp

#import <objc/runtime.h>

#include <string>

// NB. Any general catch headers included here must be included
// in catch.hpp first to make sure they are included by the single
// header for non obj-usage

///////////////////////////////////////////////////////////////////////////////
// This protocol is really only here for (self) documenting purposes, since
// all its methods are optional.
@protocol OcFixture

@optional

- (void)setUp;
-(void)tearDown;

@end

namespace Catch {

	class OcMethod : public ITestInvoker {

	public:
		OcMethod(Class cls, SEL sel) : m_cls(cls), m_sel(sel) {}

		virtual void invoke() const {
			id obj = [[m_cls alloc] init];

			performOptionalSelector(obj, @selector(setUp)  );
			performOptionalSelector(obj, m_sel);
			performOptionalSelector(obj, @selector(tearDown)  );

			arcSafeRelease(obj);
		}
	private:
		virtual ~OcMethod() {}

		Class m_cls;
		SEL m_sel;
	};

	namespace Detail {

		inline std::string getAnnotation(Class cls,
			std::string const& annotationName,
			std::string const& testCaseName) {
			NSString* selStr = [[NSString alloc] initWithFormat:@"Catch_%s_%s", annotationName.c_str(), testCaseName.c_str()];
				SEL sel = NSSelectorFromString(selStr);
			arcSafeRelease(selStr);
			id value = performOptionalSelector(cls, sel);
			if (value)
				return[(NSString*)value UTF8String];
			return "";
		}
	}

	inline std::size_t registerTestMethods() {
		std::size_t noTestMethods = 0;
		int noClasses = objc_getClassList(nullptr, 0);

		Class* classes = (CATCH_UNSAFE_UNRETAINED Class *)malloc(sizeof(Class) * noClasses);
		objc_getClassList(classes, noClasses);

		for (int c = 0; c < noClasses; c++) {
			Class cls = classes[c];
			{
				u_int count;
				Method* methods = class_copyMethodList(cls, &count);
				for (u_int m = 0; m < count; m++) {
					SEL selector = method_getName(methods[m]);
					std::string methodName = sel_getName(selector);
					if (startsWith(methodName, "Catch_TestCase_")) {
						std::string testCaseName = methodName.substr(15);
						std::string name = Detail::getAnnotation(cls, "Name", testCaseName);
						std::string desc = Detail::getAnnotation(cls, "Description", testCaseName);
						const char* className = class_getName(cls);

						getMutableRegistryHub().registerTest(makeTestCase(new OcMethod(cls, selector), className, name.c_str(), desc.c_str(), SourceLineInfo("", 0)));
						noTestMethods++;
					}
				}
				free(methods);
			}
		}
		return noTestMethods;
	}

#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)

	namespace Matchers {
		namespace Impl {
			namespace NSStringMatchers {

				struct StringHolder : MatcherBase<NSString*> {
					StringHolder(NSString* substr) : m_substr([substr copy]) {}
					StringHolder(StringHolder const& other) : m_substr([other.m_substr copy]) {}
					StringHolder() {
						arcSafeRelease(m_substr);
					}

					bool match(NSString* arg) const override {
						return false;
					}

					NSString* CATCH_ARC_STRONG m_substr;
				};

				struct Equals : StringHolder {
					Equals(NSString* substr) : StringHolder(substr) {}

					bool match(NSString* str) const override {
						return  (str != nil || m_substr == nil) &&
							[str isEqualToString : m_substr];
					}

					std::string describe() const override {
						return "equals string: " + Catch::Detail::stringify(m_substr);
					}
				};

				struct Contains : StringHolder {
					Contains(NSString* substr) : StringHolder(substr) {}

					bool match(NSString* str) const {
						return  (str != nil || m_substr == nil) &&
							[str rangeOfString : m_substr].location != NSNotFound;
					}

					std::string describe() const override {
						return "contains string: " + Catch::Detail::stringify(m_substr);
					}
				};

				struct StartsWith : StringHolder {
					StartsWith(NSString* substr) : StringHolder(substr) {}

					bool match(NSString* str) const override {
						return  (str != nil || m_substr == nil) &&
							[str rangeOfString : m_substr].location == 0;
					}

					std::string describe() const override {
						return "starts with: " + Catch::Detail::stringify(m_substr);
					}
				};
				struct EndsWith : StringHolder {
					EndsWith(NSString* substr) : StringHolder(substr) {}

					bool match(NSString* str) const override {
						return  (str != nil || m_substr == nil) &&
							[str rangeOfString : m_substr].location == [str length] - [m_substr length];
					}

					std::string describe() const override {
						return "ends with: " + Catch::Detail::stringify(m_substr);
					}
				};

			} // namespace NSStringMatchers
		} // namespace Impl

		inline Impl::NSStringMatchers::Equals
			Equals(NSString* substr) { return Impl::NSStringMatchers::Equals(substr); }

		inline Impl::NSStringMatchers::Contains
			Contains(NSString* substr) { return Impl::NSStringMatchers::Contains(substr); }

		inline Impl::NSStringMatchers::StartsWith
			StartsWith(NSString* substr) { return Impl::NSStringMatchers::StartsWith(substr); }

		inline Impl::NSStringMatchers::EndsWith
			EndsWith(NSString* substr) { return Impl::NSStringMatchers::EndsWith(substr); }

	} // namespace Matchers

	using namespace Matchers;

#endif // CATCH_CONFIG_DISABLE_MATCHERS

} // namespace Catch

  ///////////////////////////////////////////////////////////////////////////////
#define OC_MAKE_UNIQUE_NAME( root, uniqueSuffix ) root##uniqueSuffix
#define OC_TEST_CASE2( name, desc, uniqueSuffix ) \
+(NSString*) OC_MAKE_UNIQUE_NAME( Catch_Name_test_, uniqueSuffix ) \
{ \
return @ name; \
} \
+(NSString*) OC_MAKE_UNIQUE_NAME( Catch_Description_test_, uniqueSuffix ) \
{ \
return @ desc; \
} \
-(void) OC_MAKE_UNIQUE_NAME( Catch_TestCase_test_, uniqueSuffix )

#define OC_TEST_CASE( name, desc ) OC_TEST_CASE2( name, desc, __LINE__ )

  // end catch_objc.hpp
#endif

#ifdef CATCH_CONFIG_EXTERNAL_INTERFACES
  // start catch_external_interfaces.h

  // start catch_reporter_bases.hpp

  // start catch_interfaces_reporter.h

  // start catch_config.hpp

  // start catch_test_spec_parser.h

#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wpadded"
#endif

  // start catch_test_spec.h

#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wpadded"
#endif

  // start catch_wildcard_pattern.h

namespace Catch
{
	class WildcardPattern {
		enum WildcardPosition {
			NoWildcard = 0,
			WildcardAtStart = 1,
			WildcardAtEnd = 2,
			WildcardAtBothEnds = WildcardAtStart | WildcardAtEnd
		};

	public:

		WildcardPattern(std::string const& pattern, CaseSensitive::Choice caseSensitivity);
		virtual ~WildcardPattern() = default;
		virtual bool matches(std::string const& str) const;

	private:
		std::string adjustCase(std::string const& str) const;
		CaseSensitive::Choice m_caseSensitivity;
		WildcardPosition m_wildcard = NoWildcard;
		std::string m_pattern;
	};
}

// end catch_wildcard_pattern.h
#include <string>
#include <vector>
#include <memory>

namespace Catch {

	class TestSpec {
		struct Pattern {
			virtual ~Pattern();
			virtual bool matches(TestCaseInfo const& testCase) const = 0;
		};
		using PatternPtr = std::shared_ptr<Pattern>;

		class NamePattern : public Pattern {
		public:
			NamePattern(std::string const& name);
			virtual ~NamePattern();
			virtual bool matches(TestCaseInfo const& testCase) const override;
		private:
			WildcardPattern m_wildcardPattern;
		};

		class TagPattern : public Pattern {
		public:
			TagPattern(std::string const& tag);
			virtual ~TagPattern();
			virtual bool matches(TestCaseInfo const& testCase) const override;
		private:
			std::string m_tag;
		};

		class ExcludedPattern : public Pattern {
		public:
			ExcludedPattern(PatternPtr const& underlyingPattern);
			virtual ~ExcludedPattern();
			virtual bool matches(TestCaseInfo const& testCase) const override;
		private:
			PatternPtr m_underlyingPattern;
		};

		struct Filter {
			std::vector<PatternPtr> m_patterns;

			bool matches(TestCaseInfo const& testCase) const;
		};

	public:
		bool hasFilters() const;
		bool matches(TestCaseInfo const& testCase) const;

	private:
		std::vector<Filter> m_filters;

		friend class TestSpecParser;
	};
}

#ifdef __clang__
#pragma clang diagnostic pop
#endif

// end catch_test_spec.h
// start catch_interfaces_tag_alias_registry.h

#include <string>

namespace Catch {

	struct TagAlias;

	struct ITagAliasRegistry {
		virtual ~ITagAliasRegistry();
		// Nullptr if not present
		virtual TagAlias const* find(std::string const& alias) const = 0;
		virtual std::string expandAliases(std::string const& unexpandedTestSpec) const = 0;

		static ITagAliasRegistry const& get();
	};

} // end namespace Catch

  // end catch_interfaces_tag_alias_registry.h
namespace Catch {

	class TestSpecParser {
		enum Mode { None, Name, QuotedName, Tag, EscapedName };
		Mode m_mode = None;
		bool m_exclusion = false;
		std::size_t m_start = std::string::npos, m_pos = 0;
		std::string m_arg;
		std::vector<std::size_t> m_escapeChars;
		TestSpec::Filter m_currentFilter;
		TestSpec m_testSpec;
		ITagAliasRegistry const* m_tagAliases = nullptr;

	public:
		TestSpecParser(ITagAliasRegistry const& tagAliases);

		TestSpecParser& parse(std::string const& arg);
		TestSpec testSpec();

	private:
		void visitChar(char c);
		void startNewMode(Mode mode, std::size_t start);
		void escape();
		std::string subString() const;

		template<typename T>
		void addPattern() {
			std::string token = subString();
			for (std::size_t i = 0; i < m_escapeChars.size(); ++i)
				token = token.substr(0, m_escapeChars[i] - m_start - i) + token.substr(m_escapeChars[i] - m_start - i + 1);
			m_escapeChars.clear();
			if (startsWith(token, "exclude:")) {
				m_exclusion = true;
				token = token.substr(8);
			}
			if (!token.empty()) {
				TestSpec::PatternPtr pattern = std::make_shared<T>(token);
				if (m_exclusion)
					pattern = std::make_shared<TestSpec::ExcludedPattern>(pattern);
				m_currentFilter.m_patterns.push_back(pattern);
			}
			m_exclusion = false;
			m_mode = None;
		}

		void addFilter();
	};
	TestSpec parseTestSpec(std::string const& arg);

} // namespace Catch

#ifdef __clang__
#pragma clang diagnostic pop
#endif

  // end catch_test_spec_parser.h
  // start catch_interfaces_config.h

#include <iosfwd>
#include <string>
#include <vector>
#include <memory>

namespace Catch {

	enum class Verbosity {
		Quiet = 0,
		Normal,
		High
	};

	struct WarnAbout {
		enum What {
			Nothing = 0x00,
			NoAssertions = 0x01,
			NoTests = 0x02
		};
	};

	struct ShowDurations {
		enum OrNot {
			DefaultForReporter,
			Always,
			Never
		};
	};
	struct RunTests {
		enum InWhatOrder {
			InDeclarationOrder,
			InLexicographicalOrder,
			InRandomOrder
		};
	};
	struct UseColour {
		enum YesOrNo {
			Auto,
			Yes,
			No
		};
	};
	struct WaitForKeypress {
		enum When {
			Never,
			BeforeStart = 1,
			BeforeExit = 2,
			BeforeStartAndExit = BeforeStart | BeforeExit
		};
	};

	class TestSpec;

	struct IConfig : NonCopyable {

		virtual ~IConfig();

		virtual bool allowThrows() const = 0;
		virtual std::ostream& stream() const = 0;
		virtual std::string name() const = 0;
		virtual bool includeSuccessfulResults() const = 0;
		virtual bool shouldDebugBreak() const = 0;
		virtual bool warnAboutMissingAssertions() const = 0;
		virtual bool warnAboutNoTests() const = 0;
		virtual int abortAfter() const = 0;
		virtual bool showInvisibles() const = 0;
		virtual ShowDurations::OrNot showDurations() const = 0;
		virtual TestSpec const& testSpec() const = 0;
		virtual bool hasTestFilters() const = 0;
		virtual RunTests::InWhatOrder runOrder() const = 0;
		virtual unsigned int rngSeed() const = 0;
		virtual int benchmarkResolutionMultiple() const = 0;
		virtual UseColour::YesOrNo useColour() const = 0;
		virtual std::vector<std::string> const& getSectionsToRun() const = 0;
		virtual Verbosity verbosity() const = 0;
	};

	using IConfigPtr = std::shared_ptr<IConfig const>;
}

// end catch_interfaces_config.h
// Libstdc++ doesn't like incomplete classes for unique_ptr

#include <memory>
#include <vector>
#include <string>

#ifndef CATCH_CONFIG_CONSOLE_WIDTH
#define CATCH_CONFIG_CONSOLE_WIDTH 80
#endif

namespace Catch {

	struct IStream;

	struct ConfigData {
		bool listTests = false;
		bool listTags = false;
		bool listReporters = false;
		bool listTestNamesOnly = false;

		bool showSuccessfulTests = false;
		bool shouldDebugBreak = false;
		bool noThrow = false;
		bool showHelp = false;
		bool showInvisibles = false;
		bool filenamesAsTags = false;
		bool libIdentify = false;

		int abortAfter = -1;
		unsigned int rngSeed = 0;
		int benchmarkResolutionMultiple = 100;

		Verbosity verbosity = Verbosity::Normal;
		WarnAbout::What warnings = WarnAbout::Nothing;
		ShowDurations::OrNot showDurations = ShowDurations::DefaultForReporter;
		RunTests::InWhatOrder runOrder = RunTests::InDeclarationOrder;
		UseColour::YesOrNo useColour = UseColour::Auto;
		WaitForKeypress::When waitForKeypress = WaitForKeypress::Never;

		std::string outputFilename;
		std::string name;
		std::string processName;

		std::vector<std::string> reporterNames;
		std::vector<std::string> testsOrTags;
		std::vector<std::string> sectionsToRun;
	};

	class Config : public IConfig {
	public:

		Config() = default;
		Config(ConfigData const& data);
		virtual ~Config() = default;

		std::string const& getFilename() const;

		bool listTests() const;
		bool listTestNamesOnly() const;
		bool listTags() const;
		bool listReporters() const;

		std::string getProcessName() const;

		std::vector<std::string> const& getReporterNames() const;
		std::vector<std::string> const& getTestsOrTags() const;
		std::vector<std::string> const& getSectionsToRun() const override;

		virtual TestSpec const& testSpec() const override;
		bool hasTestFilters() const override;

		bool showHelp() const;

		// IConfig interface
		bool allowThrows() const override;
		std::ostream& stream() const override;
		std::string name() const override;
		bool includeSuccessfulResults() const override;
		bool warnAboutMissingAssertions() const override;
		bool warnAboutNoTests() const override;
		ShowDurations::OrNot showDurations() const override;
		RunTests::InWhatOrder runOrder() const override;
		unsigned int rngSeed() const override;
		int benchmarkResolutionMultiple() const override;
		UseColour::YesOrNo useColour() const override;
		bool shouldDebugBreak() const override;
		int abortAfter() const override;
		bool showInvisibles() const override;
		Verbosity verbosity() const override;

	private:

		IStream const* openStream();
		ConfigData m_data;

		std::unique_ptr<IStream const> m_stream;
		TestSpec m_testSpec;
		bool m_hasTestFilters = false;
	};

} // end namespace Catch

  // end catch_config.hpp
  // start catch_assertionresult.h

#include <string>

namespace Catch {

	struct AssertionResultData
	{
		AssertionResultData() = delete;

		AssertionResultData(ResultWas::OfType _resultType, LazyExpression const& _lazyExpression);

		std::string message;
		mutable std::string reconstructedExpression;
		LazyExpression lazyExpression;
		ResultWas::OfType resultType;

		std::string reconstructExpression() const;
	};

	class AssertionResult {
	public:
		AssertionResult() = delete;
		AssertionResult(AssertionInfo const& info, AssertionResultData const& data);

		bool isOk() const;
		bool succeeded() const;
		ResultWas::OfType getResultType() const;
		bool hasExpression() const;
		bool hasMessage() const;
		std::string getExpression() const;
		std::string getExpressionInMacro() const;
		bool hasExpandedExpression() const;
		std::string getExpandedExpression() const;
		std::string getMessage() const;
		SourceLineInfo getSourceInfo() const;
		StringRef getTestMacroName() const;

		//protected:
		AssertionInfo m_info;
		AssertionResultData m_resultData;
	};

} // end namespace Catch

  // end catch_assertionresult.h
  // start catch_option.hpp

namespace Catch {

	// An optional type
	template<typename T>
	class Option {
	public:
		Option() : nullableValue(nullptr) {}
		Option(T const& _value)
			: nullableValue(new(storage) T(_value))
		{}
		Option(Option const& _other)
			: nullableValue(_other ? new(storage) T(*_other) : nullptr)
		{}

		~Option() {
			reset();
		}

		Option& operator= (Option const& _other) {
			if (&_other != this) {
				reset();
				if (_other)
					nullableValue = new(storage) T(*_other);
			}
			return *this;
		}
		Option& operator = (T const& _value) {
			reset();
			nullableValue = new(storage) T(_value);
			return *this;
		}

		void reset() {
			if (nullableValue)
				nullableValue->~T();
			nullableValue = nullptr;
		}

		T& operator*() { return *nullableValue; }
		T const& operator*() const { return *nullableValue; }
		T* operator->() { return nullableValue; }
		const T* operator->() const { return nullableValue; }

		T valueOr(T const& defaultValue) const {
			return nullableValue ? *nullableValue : defaultValue;
		}

		bool some() const { return nullableValue != nullptr; }
		bool none() const { return nullableValue == nullptr; }

		bool operator !() const { return nullableValue == nullptr; }
		explicit operator bool() const {
			return some();
		}

	private:
		T * nullableValue;
		alignas(alignof(T)) char storage[sizeof(T)];
	};

} // end namespace Catch

  // end catch_option.hpp
#include <string>
#include <iosfwd>
#include <map>
#include <set>
#include <memory>

namespace Catch {

	struct ReporterConfig {
		explicit ReporterConfig(IConfigPtr const& _fullConfig);

		ReporterConfig(IConfigPtr const& _fullConfig, std::ostream& _stream);

		std::ostream& stream() const;
		IConfigPtr fullConfig() const;

	private:
		std::ostream* m_stream;
		IConfigPtr m_fullConfig;
	};

	struct ReporterPreferences {
		bool shouldRedirectStdOut = false;
	};

	template<typename T>
	struct LazyStat : Option<T> {
		LazyStat& operator=(T const& _value) {
			Option<T>::operator=(_value);
			used = false;
			return *this;
		}
		void reset() {
			Option<T>::reset();
			used = false;
		}
		bool used = false;
	};

	struct TestRunInfo {
		TestRunInfo(std::string const& _name);
		std::string name;
	};
	struct GroupInfo {
		GroupInfo(std::string const& _name,
			std::size_t _groupIndex,
			std::size_t _groupsCount);

		std::string name;
		std::size_t groupIndex;
		std::size_t groupsCounts;
	};

	struct AssertionStats {
		AssertionStats(AssertionResult const& _assertionResult,
			std::vector<MessageInfo> const& _infoMessages,
			Totals const& _totals);

		AssertionStats(AssertionStats const&) = default;
		AssertionStats(AssertionStats &&) = default;
		AssertionStats& operator = (AssertionStats const&) = default;
		AssertionStats& operator = (AssertionStats &&) = default;
		virtual ~AssertionStats();

		AssertionResult assertionResult;
		std::vector<MessageInfo> infoMessages;
		Totals totals;
	};

	struct SectionStats {
		SectionStats(SectionInfo const& _sectionInfo,
			Counts const& _assertions,
			double _durationInSeconds,
			bool _missingAssertions);
		SectionStats(SectionStats const&) = default;
		SectionStats(SectionStats &&) = default;
		SectionStats& operator = (SectionStats const&) = default;
		SectionStats& operator = (SectionStats &&) = default;
		virtual ~SectionStats();

		SectionInfo sectionInfo;
		Counts assertions;
		double durationInSeconds;
		bool missingAssertions;
	};

	struct TestCaseStats {
		TestCaseStats(TestCaseInfo const& _testInfo,
			Totals const& _totals,
			std::string const& _stdOut,
			std::string const& _stdErr,
			bool _aborting);

		TestCaseStats(TestCaseStats const&) = default;
		TestCaseStats(TestCaseStats &&) = default;
		TestCaseStats& operator = (TestCaseStats const&) = default;
		TestCaseStats& operator = (TestCaseStats &&) = default;
		virtual ~TestCaseStats();

		TestCaseInfo testInfo;
		Totals totals;
		std::string stdOut;
		std::string stdErr;
		bool aborting;
	};

	struct TestGroupStats {
		TestGroupStats(GroupInfo const& _groupInfo,
			Totals const& _totals,
			bool _aborting);
		TestGroupStats(GroupInfo const& _groupInfo);

		TestGroupStats(TestGroupStats const&) = default;
		TestGroupStats(TestGroupStats &&) = default;
		TestGroupStats& operator = (TestGroupStats const&) = default;
		TestGroupStats& operator = (TestGroupStats &&) = default;
		virtual ~TestGroupStats();

		GroupInfo groupInfo;
		Totals totals;
		bool aborting;
	};

	struct TestRunStats {
		TestRunStats(TestRunInfo const& _runInfo,
			Totals const& _totals,
			bool _aborting);

		TestRunStats(TestRunStats const&) = default;
		TestRunStats(TestRunStats &&) = default;
		TestRunStats& operator = (TestRunStats const&) = default;
		TestRunStats& operator = (TestRunStats &&) = default;
		virtual ~TestRunStats();

		TestRunInfo runInfo;
		Totals totals;
		bool aborting;
	};

	struct BenchmarkInfo {
		std::string name;
	};
	struct BenchmarkStats {
		BenchmarkInfo info;
		std::size_t iterations;
		uint64_t elapsedTimeInNanoseconds;
	};

	struct IStreamingReporter {
		virtual ~IStreamingReporter() = default;

		// Implementing class must also provide the following static methods:
		// static std::string getDescription();
		// static std::set<Verbosity> getSupportedVerbosities()

		virtual ReporterPreferences getPreferences() const = 0;

		virtual void noMatchingTestCases(std::string const& spec) = 0;

		virtual void testRunStarting(TestRunInfo const& testRunInfo) = 0;
		virtual void testGroupStarting(GroupInfo const& groupInfo) = 0;

		virtual void testCaseStarting(TestCaseInfo const& testInfo) = 0;
		virtual void sectionStarting(SectionInfo const& sectionInfo) = 0;

		// *** experimental ***
		virtual void benchmarkStarting(BenchmarkInfo const&) {}

		virtual void assertionStarting(AssertionInfo const& assertionInfo) = 0;

		// The return value indicates if the messages buffer should be cleared:
		virtual bool assertionEnded(AssertionStats const& assertionStats) = 0;

		// *** experimental ***
		virtual void benchmarkEnded(BenchmarkStats const&) {}

		virtual void sectionEnded(SectionStats const& sectionStats) = 0;
		virtual void testCaseEnded(TestCaseStats const& testCaseStats) = 0;
		virtual void testGroupEnded(TestGroupStats const& testGroupStats) = 0;
		virtual void testRunEnded(TestRunStats const& testRunStats) = 0;

		virtual void skipTest(TestCaseInfo const& testInfo) = 0;

		// Default empty implementation provided
		virtual void fatalErrorEncountered(StringRef name);

		virtual bool isMulti() const;
	};
	using IStreamingReporterPtr = std::unique_ptr<IStreamingReporter>;

	struct IReporterFactory {
		virtual ~IReporterFactory();
		virtual IStreamingReporterPtr create(ReporterConfig const& config) const = 0;
		virtual std::string getDescription() const = 0;
	};
	using IReporterFactoryPtr = std::shared_ptr<IReporterFactory>;

	struct IReporterRegistry {
		using FactoryMap = std::map<std::string, IReporterFactoryPtr>;
		using Listeners = std::vector<IReporterFactoryPtr>;

		virtual ~IReporterRegistry();
		virtual IStreamingReporterPtr create(std::string const& name, IConfigPtr const& config) const = 0;
		virtual FactoryMap const& getFactories() const = 0;
		virtual Listeners const& getListeners() const = 0;
	};

	void addReporter(IStreamingReporterPtr& existingReporter, IStreamingReporterPtr&& additionalReporter);

} // end namespace Catch

  // end catch_interfaces_reporter.h
#include <algorithm>
#include <cstring>
#include <cfloat>
#include <cstdio>
#include <assert.h>
#include <memory>
#include <ostream>

namespace Catch {
	void prepareExpandedExpression(AssertionResult& result);

	// Returns double formatted as %.3f (format expected on output)
	std::string getFormattedDuration(double duration);

	template<typename DerivedT>
	struct StreamingReporterBase : IStreamingReporter {

		StreamingReporterBase(ReporterConfig const& _config)
			: m_config(_config.fullConfig()),
			stream(_config.stream())
		{
			m_reporterPrefs.shouldRedirectStdOut = false;
			if (!DerivedT::getSupportedVerbosities().count(m_config->verbosity()))
				throw std::domain_error("Verbosity level not supported by this reporter");
		}

		ReporterPreferences getPreferences() const override {
			return m_reporterPrefs;
		}

		static std::set<Verbosity> getSupportedVerbosities() {
			return { Verbosity::Normal };
		}

		~StreamingReporterBase() override = default;

		void noMatchingTestCases(std::string const&) override {}

		void testRunStarting(TestRunInfo const& _testRunInfo) override {
			currentTestRunInfo = _testRunInfo;
		}
		void testGroupStarting(GroupInfo const& _groupInfo) override {
			currentGroupInfo = _groupInfo;
		}

		void testCaseStarting(TestCaseInfo const& _testInfo) override {
			currentTestCaseInfo = _testInfo;
		}
		void sectionStarting(SectionInfo const& _sectionInfo) override {
			m_sectionStack.push_back(_sectionInfo);
		}

		void sectionEnded(SectionStats const& /* _sectionStats */) override {
			m_sectionStack.pop_back();
		}
		void testCaseEnded(TestCaseStats const& /* _testCaseStats */) override {
			currentTestCaseInfo.reset();
		}
		void testGroupEnded(TestGroupStats const& /* _testGroupStats */) override {
			currentGroupInfo.reset();
		}
		void testRunEnded(TestRunStats const& /* _testRunStats */) override {
			currentTestCaseInfo.reset();
			currentGroupInfo.reset();
			currentTestRunInfo.reset();
		}

		void skipTest(TestCaseInfo const&) override {
			// Don't do anything with this by default.
			// It can optionally be overridden in the derived class.
		}

		IConfigPtr m_config;
		std::ostream& stream;

		LazyStat<TestRunInfo> currentTestRunInfo;
		LazyStat<GroupInfo> currentGroupInfo;
		LazyStat<TestCaseInfo> currentTestCaseInfo;

		std::vector<SectionInfo> m_sectionStack;
		ReporterPreferences m_reporterPrefs;
	};

	template<typename DerivedT>
	struct CumulativeReporterBase : IStreamingReporter {
		template<typename T, typename ChildNodeT>
		struct Node {
			explicit Node(T const& _value) : value(_value) {}
			virtual ~Node() {}

			using ChildNodes = std::vector<std::shared_ptr<ChildNodeT>>;
			T value;
			ChildNodes children;
		};
		struct SectionNode {
			explicit SectionNode(SectionStats const& _stats) : stats(_stats) {}
			virtual ~SectionNode() = default;

			bool operator == (SectionNode const& other) const {
				return stats.sectionInfo.lineInfo == other.stats.sectionInfo.lineInfo;
			}
			bool operator == (std::shared_ptr<SectionNode> const& other) const {
				return operator==(*other);
			}

			SectionStats stats;
			using ChildSections = std::vector<std::shared_ptr<SectionNode>>;
			using Assertions = std::vector<AssertionStats>;
			ChildSections childSections;
			Assertions assertions;
			std::string stdOut;
			std::string stdErr;
		};

		struct BySectionInfo {
			BySectionInfo(SectionInfo const& other) : m_other(other) {}
			BySectionInfo(BySectionInfo const& other) : m_other(other.m_other) {}
			bool operator() (std::shared_ptr<SectionNode> const& node) const {
				return ((node->stats.sectionInfo.name == m_other.name) &&
					(node->stats.sectionInfo.lineInfo == m_other.lineInfo));
			}
			void operator=(BySectionInfo const&) = delete;

		private:
			SectionInfo const& m_other;
		};

		using TestCaseNode = Node<TestCaseStats, SectionNode>;
		using TestGroupNode = Node<TestGroupStats, TestCaseNode>;
		using TestRunNode = Node<TestRunStats, TestGroupNode>;

		CumulativeReporterBase(ReporterConfig const& _config)
			: m_config(_config.fullConfig()),
			stream(_config.stream())
		{
			m_reporterPrefs.shouldRedirectStdOut = false;
			if (!DerivedT::getSupportedVerbosities().count(m_config->verbosity()))
				throw std::domain_error("Verbosity level not supported by this reporter");
		}
		~CumulativeReporterBase() override = default;

		ReporterPreferences getPreferences() const override {
			return m_reporterPrefs;
		}

		static std::set<Verbosity> getSupportedVerbosities() {
			return { Verbosity::Normal };
		}

		void testRunStarting(TestRunInfo const&) override {}
		void testGroupStarting(GroupInfo const&) override {}

		void testCaseStarting(TestCaseInfo const&) override {}

		void sectionStarting(SectionInfo const& sectionInfo) override {
			SectionStats incompleteStats(sectionInfo, Counts(), 0, false);
			std::shared_ptr<SectionNode> node;
			if (m_sectionStack.empty()) {
				if (!m_rootSection)
					m_rootSection = std::make_shared<SectionNode>(incompleteStats);
				node = m_rootSection;
			}
			else {
				SectionNode& parentNode = *m_sectionStack.back();
				auto it =
					std::find_if(parentNode.childSections.begin(),
						parentNode.childSections.end(),
						BySectionInfo(sectionInfo));
				if (it == parentNode.childSections.end()) {
					node = std::make_shared<SectionNode>(incompleteStats);
					parentNode.childSections.push_back(node);
				}
				else
					node = *it;
			}
			m_sectionStack.push_back(node);
			m_deepestSection = std::move(node);
		}

		void assertionStarting(AssertionInfo const&) override {}

		bool assertionEnded(AssertionStats const& assertionStats) override {
			assert(!m_sectionStack.empty());
			// AssertionResult holds a pointer to a temporary DecomposedExpression,
			// which getExpandedExpression() calls to build the expression string.
			// Our section stack copy of the assertionResult will likely outlive the
			// temporary, so it must be expanded or discarded now to avoid calling
			// a destroyed object later.
			prepareExpandedExpression(const_cast<AssertionResult&>(assertionStats.assertionResult));
			SectionNode& sectionNode = *m_sectionStack.back();
			sectionNode.assertions.push_back(assertionStats);
			return true;
		}
		void sectionEnded(SectionStats const& sectionStats) override {
			assert(!m_sectionStack.empty());
			SectionNode& node = *m_sectionStack.back();
			node.stats = sectionStats;
			m_sectionStack.pop_back();
		}
		void testCaseEnded(TestCaseStats const& testCaseStats) override {
			auto node = std::make_shared<TestCaseNode>(testCaseStats);
			assert(m_sectionStack.size() == 0);
			node->children.push_back(m_rootSection);
			m_testCases.push_back(node);
			m_rootSection.reset();

			assert(m_deepestSection);
			m_deepestSection->stdOut = testCaseStats.stdOut;
			m_deepestSection->stdErr = testCaseStats.stdErr;
		}
		void testGroupEnded(TestGroupStats const& testGroupStats) override {
			auto node = std::make_shared<TestGroupNode>(testGroupStats);
			node->children.swap(m_testCases);
			m_testGroups.push_back(node);
		}
		void testRunEnded(TestRunStats const& testRunStats) override {
			auto node = std::make_shared<TestRunNode>(testRunStats);
			node->children.swap(m_testGroups);
			m_testRuns.push_back(node);
			testRunEndedCumulative();
		}
		virtual void testRunEndedCumulative() = 0;

		void skipTest(TestCaseInfo const&) override {}

		IConfigPtr m_config;
		std::ostream& stream;
		std::vector<AssertionStats> m_assertions;
		std::vector<std::vector<std::shared_ptr<SectionNode>>> m_sections;
		std::vector<std::shared_ptr<TestCaseNode>> m_testCases;
		std::vector<std::shared_ptr<TestGroupNode>> m_testGroups;

		std::vector<std::shared_ptr<TestRunNode>> m_testRuns;

		std::shared_ptr<SectionNode> m_rootSection;
		std::shared_ptr<SectionNode> m_deepestSection;
		std::vector<std::shared_ptr<SectionNode>> m_sectionStack;
		ReporterPreferences m_reporterPrefs;
	};

	template<char C>
	char const* getLineOfChars() {
		static char line[CATCH_CONFIG_CONSOLE_WIDTH] = { 0 };
		if (!*line) {
			std::memset(line, C, CATCH_CONFIG_CONSOLE_WIDTH - 1);
			line[CATCH_CONFIG_CONSOLE_WIDTH - 1] = 0;
		}
		return line;
	}

	struct TestEventListenerBase : StreamingReporterBase<TestEventListenerBase> {
		TestEventListenerBase(ReporterConfig const& _config);

		void assertionStarting(AssertionInfo const&) override;
		bool assertionEnded(AssertionStats const&) override;
	};

} // end namespace Catch

  // end catch_reporter_bases.hpp
  // start catch_console_colour.h

namespace Catch {

	struct Colour {
		enum Code {
			None = 0,

			White,
			Red,
			Green,
			Blue,
			Cyan,
			Yellow,
			Grey,

			Bright = 0x10,

			BrightRed = Bright | Red,
			BrightGreen = Bright | Green,
			LightGrey = Bright | Grey,
			BrightWhite = Bright | White,
			BrightYellow = Bright | Yellow,

			// By intention
			FileName = LightGrey,
			Warning = BrightYellow,
			ResultError = BrightRed,
			ResultSuccess = BrightGreen,
			ResultExpectedFailure = Warning,

			Error = BrightRed,
			Success = Green,

			OriginalExpression = Cyan,
			ReconstructedExpression = BrightYellow,

			SecondaryText = LightGrey,
			Headers = White
		};

		// Use constructed object for RAII guard
		Colour(Code _colourCode);
		Colour(Colour&& other) noexcept;
		Colour& operator=(Colour&& other) noexcept;
		~Colour();

		// Use static method for one-shot changes
		static void use(Code _colourCode);

	private:
		bool m_moved = false;
	};

	std::ostream& operator << (std::ostream& os, Colour const&);

} // end namespace Catch

  // end catch_console_colour.h
  // start catch_reporter_registrars.hpp


namespace Catch {

	template<typename T>
	class ReporterRegistrar {

		class ReporterFactory : public IReporterFactory {

			virtual IStreamingReporterPtr create(ReporterConfig const& config) const override {
				return std::unique_ptr<T>(new T(config));
			}

			virtual std::string getDescription() const override {
				return T::getDescription();
			}
		};

	public:

		explicit ReporterRegistrar(std::string const& name) {
			getMutableRegistryHub().registerReporter(name, std::make_shared<ReporterFactory>());
		}
	};

	template<typename T>
	class ListenerRegistrar {

		class ListenerFactory : public IReporterFactory {

			virtual IStreamingReporterPtr create(ReporterConfig const& config) const override {
				return std::unique_ptr<T>(new T(config));
			}
			virtual std::string getDescription() const override {
				return std::string();
			}
		};

	public:

		ListenerRegistrar() {
			getMutableRegistryHub().registerListener(std::make_shared<ListenerFactory>());
		}
	};
}

#if !defined(CATCH_CONFIG_DISABLE)

#define CATCH_REGISTER_REPORTER( name, reporterType ) \
    CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS          \
    namespace{ Catch::ReporterRegistrar<reporterType> catch_internal_RegistrarFor##reporterType( name ); } \
    CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS

#define CATCH_REGISTER_LISTENER( listenerType ) \
     CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS   \
     namespace{ Catch::ListenerRegistrar<listenerType> catch_internal_RegistrarFor##listenerType; } \
     CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS
#else // CATCH_CONFIG_DISABLE

#define CATCH_REGISTER_REPORTER(name, reporterType)
#define CATCH_REGISTER_LISTENER(listenerType)

#endif // CATCH_CONFIG_DISABLE

// end catch_reporter_registrars.hpp
// Allow users to base their work off existing reporters
// start catch_reporter_compact.h

namespace Catch {

	struct CompactReporter : StreamingReporterBase<CompactReporter> {

		using StreamingReporterBase::StreamingReporterBase;

		~CompactReporter() override;

		static std::string getDescription();

		ReporterPreferences getPreferences() const override;

		void noMatchingTestCases(std::string const& spec) override;

		void assertionStarting(AssertionInfo const&) override;

		bool assertionEnded(AssertionStats const& _assertionStats) override;

		void sectionEnded(SectionStats const& _sectionStats) override;

		void testRunEnded(TestRunStats const& _testRunStats) override;

	};

} // end namespace Catch

  // end catch_reporter_compact.h
  // start catch_reporter_console.h

#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable:4061) // Not all labels are EXPLICITLY handled in switch
  // Note that 4062 (not all labels are handled
  // and default is missing) is enabled
#endif

namespace Catch {
	// Fwd decls
	struct SummaryColumn;
	class TablePrinter;

	struct ConsoleReporter : StreamingReporterBase<ConsoleReporter> {
		std::unique_ptr<TablePrinter> m_tablePrinter;

		ConsoleReporter(ReporterConfig const& config);
		~ConsoleReporter() override;
		static std::string getDescription();

		void noMatchingTestCases(std::string const& spec) override;

		void assertionStarting(AssertionInfo const&) override;

		bool assertionEnded(AssertionStats const& _assertionStats) override;

		void sectionStarting(SectionInfo const& _sectionInfo) override;
		void sectionEnded(SectionStats const& _sectionStats) override;

		void benchmarkStarting(BenchmarkInfo const& info) override;
		void benchmarkEnded(BenchmarkStats const& stats) override;

		void testCaseEnded(TestCaseStats const& _testCaseStats) override;
		void testGroupEnded(TestGroupStats const& _testGroupStats) override;
		void testRunEnded(TestRunStats const& _testRunStats) override;

	private:

		void lazyPrint();

		void lazyPrintWithoutClosingBenchmarkTable();
		void lazyPrintRunInfo();
		void lazyPrintGroupInfo();
		void printTestCaseAndSectionHeader();

		void printClosedHeader(std::string const& _name);
		void printOpenHeader(std::string const& _name);

		// if string has a : in first line will set indent to follow it on
		// subsequent lines
		void printHeaderString(std::string const& _string, std::size_t indent = 0);

		void printTotals(Totals const& totals);
		void printSummaryRow(std::string const& label, std::vector<SummaryColumn> const& cols, std::size_t row);

		void printTotalsDivider(Totals const& totals);
		void printSummaryDivider();

	private:
		bool m_headerPrinted = false;
	};

} // end namespace Catch

#if defined(_MSC_VER)
#pragma warning(pop)
#endif

  // end catch_reporter_console.h
  // start catch_reporter_junit.h

  // start catch_xmlwriter.h

#include <vector>

namespace Catch {

	class XmlEncode {
	public:
		enum ForWhat { ForTextNodes, ForAttributes };

		XmlEncode(std::string const& str, ForWhat forWhat = ForTextNodes);

		void encodeTo(std::ostream& os) const;

		friend std::ostream& operator << (std::ostream& os, XmlEncode const& xmlEncode);

	private:
		std::string m_str;
		ForWhat m_forWhat;
	};

	class XmlWriter {
	public:

		class ScopedElement {
		public:
			ScopedElement(XmlWriter* writer);

			ScopedElement(ScopedElement&& other) noexcept;
			ScopedElement& operator=(ScopedElement&& other) noexcept;

			~ScopedElement();

			ScopedElement& writeText(std::string const& text, bool indent = true);

			template<typename T>
			ScopedElement& writeAttribute(std::string const& name, T const& attribute) {
				m_writer->writeAttribute(name, attribute);
				return *this;
			}

		private:
			mutable XmlWriter* m_writer = nullptr;
		};

		XmlWriter(std::ostream& os = Catch::cout());
		~XmlWriter();

		XmlWriter(XmlWriter const&) = delete;
		XmlWriter& operator=(XmlWriter const&) = delete;

		XmlWriter& startElement(std::string const& name);

		ScopedElement scopedElement(std::string const& name);

		XmlWriter& endElement();

		XmlWriter& writeAttribute(std::string const& name, std::string const& attribute);

		XmlWriter& writeAttribute(std::string const& name, bool attribute);

		template<typename T>
		XmlWriter& writeAttribute(std::string const& name, T const& attribute) {
			ReusableStringStream rss;
			rss << attribute;
			return writeAttribute(name, rss.str());
		}

		XmlWriter& writeText(std::string const& text, bool indent = true);

		XmlWriter& writeComment(std::string const& text);

		void writeStylesheetRef(std::string const& url);

		XmlWriter& writeBlankLine();

		void ensureTagClosed();

	private:

		void writeDeclaration();

		void newlineIfNecessary();

		bool m_tagIsOpen = false;
		bool m_needsNewline = false;
		std::vector<std::string> m_tags;
		std::string m_indent;
		std::ostream& m_os;
	};

}

// end catch_xmlwriter.h
namespace Catch {

	class JunitReporter : public CumulativeReporterBase<JunitReporter> {
	public:
		JunitReporter(ReporterConfig const& _config);

		~JunitReporter() override;

		static std::string getDescription();

		void noMatchingTestCases(std::string const& /*spec*/) override;

		void testRunStarting(TestRunInfo const& runInfo) override;

		void testGroupStarting(GroupInfo const& groupInfo) override;

		void testCaseStarting(TestCaseInfo const& testCaseInfo) override;
		bool assertionEnded(AssertionStats const& assertionStats) override;

		void testCaseEnded(TestCaseStats const& testCaseStats) override;

		void testGroupEnded(TestGroupStats const& testGroupStats) override;

		void testRunEndedCumulative() override;

		void writeGroup(TestGroupNode const& groupNode, double suiteTime);

		void writeTestCase(TestCaseNode const& testCaseNode);

		void writeSection(std::string const& className,
			std::string const& rootName,
			SectionNode const& sectionNode);

		void writeAssertions(SectionNode const& sectionNode);
		void writeAssertion(AssertionStats const& stats);

		XmlWriter xml;
		Timer suiteTimer;
		std::string stdOutForSuite;
		std::string stdErrForSuite;
		unsigned int unexpectedExceptions = 0;
		bool m_okToFail = false;
	};

} // end namespace Catch

  // end catch_reporter_junit.h
  // start catch_reporter_xml.h

namespace Catch {
	class XmlReporter : public StreamingReporterBase<XmlReporter> {
	public:
		XmlReporter(ReporterConfig const& _config);

		~XmlReporter() override;

		static std::string getDescription();

		virtual std::string getStylesheetRef() const;

		void writeSourceInfo(SourceLineInfo const& sourceInfo);

	public: // StreamingReporterBase

		void noMatchingTestCases(std::string const& s) override;

		void testRunStarting(TestRunInfo const& testInfo) override;

		void testGroupStarting(GroupInfo const& groupInfo) override;

		void testCaseStarting(TestCaseInfo const& testInfo) override;

		void sectionStarting(SectionInfo const& sectionInfo) override;

		void assertionStarting(AssertionInfo const&) override;

		bool assertionEnded(AssertionStats const& assertionStats) override;

		void sectionEnded(SectionStats const& sectionStats) override;

		void testCaseEnded(TestCaseStats const& testCaseStats) override;

		void testGroupEnded(TestGroupStats const& testGroupStats) override;

		void testRunEnded(TestRunStats const& testRunStats) override;

	private:
		Timer m_testCaseTimer;
		XmlWriter m_xml;
		int m_sectionDepth = 0;
	};

} // end namespace Catch

  // end catch_reporter_xml.h

  // end catch_external_interfaces.h
#endif

#endif // ! CATCH_CONFIG_IMPL_ONLY

#ifdef CATCH_IMPL
  // start catch_impl.hpp

#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wweak-vtables"
#endif

  // Keep these here for external reporters
  // start catch_test_case_tracker.h

#include <string>
#include <vector>
#include <memory>

namespace Catch {
	namespace TestCaseTracking {

		struct NameAndLocation {
			std::string name;
			SourceLineInfo location;

			NameAndLocation(std::string const& _name, SourceLineInfo const& _location);
		};

		struct ITracker;

		using ITrackerPtr = std::shared_ptr<ITracker>;

		struct ITracker {
			virtual ~ITracker();

			// static queries
			virtual NameAndLocation const& nameAndLocation() const = 0;

			// dynamic queries
			virtual bool isComplete() const = 0; // Successfully completed or failed
			virtual bool isSuccessfullyCompleted() const = 0;
			virtual bool isOpen() const = 0; // Started but not complete
			virtual bool hasChildren() const = 0;

			virtual ITracker& parent() = 0;

			// actions
			virtual void close() = 0; // Successfully complete
			virtual void fail() = 0;
			virtual void markAsNeedingAnotherRun() = 0;

			virtual void addChild(ITrackerPtr const& child) = 0;
			virtual ITrackerPtr findChild(NameAndLocation const& nameAndLocation) = 0;
			virtual void openChild() = 0;

			// Debug/ checking
			virtual bool isSectionTracker() const = 0;
			virtual bool isIndexTracker() const = 0;
		};

		class TrackerContext {

			enum RunState {
				NotStarted,
				Executing,
				CompletedCycle
			};

			ITrackerPtr m_rootTracker;
			ITracker* m_currentTracker = nullptr;
			RunState m_runState = NotStarted;

		public:

			static TrackerContext& instance();

			ITracker& startRun();
			void endRun();

			void startCycle();
			void completeCycle();

			bool completedCycle() const;
			ITracker& currentTracker();
			void setCurrentTracker(ITracker* tracker);
		};

		class TrackerBase : public ITracker {
		protected:
			enum CycleState {
				NotStarted,
				Executing,
				ExecutingChildren,
				NeedsAnotherRun,
				CompletedSuccessfully,
				Failed
			};

			class TrackerHasName {
				NameAndLocation m_nameAndLocation;
			public:
				TrackerHasName(NameAndLocation const& nameAndLocation);
				bool operator ()(ITrackerPtr const& tracker) const;
			};

			using Children = std::vector<ITrackerPtr>;
			NameAndLocation m_nameAndLocation;
			TrackerContext& m_ctx;
			ITracker* m_parent;
			Children m_children;
			CycleState m_runState = NotStarted;

		public:
			TrackerBase(NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent);

			NameAndLocation const& nameAndLocation() const override;
			bool isComplete() const override;
			bool isSuccessfullyCompleted() const override;
			bool isOpen() const override;
			bool hasChildren() const override;

			void addChild(ITrackerPtr const& child) override;

			ITrackerPtr findChild(NameAndLocation const& nameAndLocation) override;
			ITracker& parent() override;

			void openChild() override;

			bool isSectionTracker() const override;
			bool isIndexTracker() const override;

			void open();

			void close() override;
			void fail() override;
			void markAsNeedingAnotherRun() override;

		private:
			void moveToParent();
			void moveToThis();
		};

		class SectionTracker : public TrackerBase {
			std::vector<std::string> m_filters;
		public:
			SectionTracker(NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent);

			bool isSectionTracker() const override;

			static SectionTracker& acquire(TrackerContext& ctx, NameAndLocation const& nameAndLocation);

			void tryOpen();

			void addInitialFilters(std::vector<std::string> const& filters);
			void addNextFilters(std::vector<std::string> const& filters);
		};

		class IndexTracker : public TrackerBase {
			int m_size;
			int m_index = -1;
		public:
			IndexTracker(NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent, int size);

			bool isIndexTracker() const override;
			void close() override;

			static IndexTracker& acquire(TrackerContext& ctx, NameAndLocation const& nameAndLocation, int size);

			int index() const;

			void moveNext();
		};

	} // namespace TestCaseTracking

	using TestCaseTracking::ITracker;
	using TestCaseTracking::TrackerContext;
	using TestCaseTracking::SectionTracker;
	using TestCaseTracking::IndexTracker;

} // namespace Catch

  // end catch_test_case_tracker.h

  // start catch_leak_detector.h

namespace Catch {

	struct LeakDetector {
		LeakDetector();
	};

}
// end catch_leak_detector.h
// Cpp files will be included in the single-header file here
// start catch_approx.cpp

#include <cmath>
#include <limits>

namespace {

	// Performs equivalent check of std::fabs(lhs - rhs) <= margin
	// But without the subtraction to allow for INFINITY in comparison
	bool marginComparison(double lhs, double rhs, double margin) {
		return (lhs + margin >= rhs) && (rhs + margin >= lhs);
	}

}

namespace Catch {
	namespace Detail {

		Approx::Approx(double value)
			: m_epsilon(std::numeric_limits<float>::epsilon() * 100),
			m_margin(0.0),
			m_scale(0.0),
			m_value(value)
		{}

		Approx Approx::custom() {
			return Approx(0);
		}

		std::string Approx::toString() const {
			ReusableStringStream rss;
			rss << "Approx( " << ::Catch::Detail::stringify(m_value) << " )";
			return rss.str();
		}

		bool Approx::equalityComparisonImpl(const double other) const {
			// First try with fixed margin, then compute margin based on epsilon, scale and Approx's value
			// Thanks to Richard Harris for his help refining the scaled margin value
			return marginComparison(m_value, other, m_margin) || marginComparison(m_value, other, m_epsilon * (m_scale + std::fabs(m_value)));
		}

	} // end namespace Detail

	std::string StringMaker<Catch::Detail::Approx>::convert(Catch::Detail::Approx const& value) {
		return value.toString();
	}

} // end namespace Catch
  // end catch_approx.cpp
  // start catch_assertionhandler.cpp

  // start catch_context.h

#include <memory>

namespace Catch {

	struct IResultCapture;
	struct IRunner;
	struct IConfig;
	struct IMutableContext;

	using IConfigPtr = std::shared_ptr<IConfig const>;

	struct IContext
	{
		virtual ~IContext();

		virtual IResultCapture* getResultCapture() = 0;
		virtual IRunner* getRunner() = 0;
		virtual IConfigPtr const& getConfig() const = 0;
	};

	struct IMutableContext : IContext
	{
		virtual ~IMutableContext();
		virtual void setResultCapture(IResultCapture* resultCapture) = 0;
		virtual void setRunner(IRunner* runner) = 0;
		virtual void setConfig(IConfigPtr const& config) = 0;

	private:
		static IMutableContext *currentContext;
		friend IMutableContext& getCurrentMutableContext();
		friend void cleanUpContext();
		static void createContext();
	};

	inline IMutableContext& getCurrentMutableContext()
	{
		if (!IMutableContext::currentContext)
			IMutableContext::createContext();
		return *IMutableContext::currentContext;
	}

	inline IContext& getCurrentContext()
	{
		return getCurrentMutableContext();
	}

	void cleanUpContext();
}

// end catch_context.h
// start catch_debugger.h

namespace Catch {
	bool isDebuggerActive();
}

#ifdef CATCH_PLATFORM_MAC

#define CATCH_TRAP() __asm__("int $3\n" : : ) /* NOLINT */

#elif defined(CATCH_PLATFORM_LINUX)
// If we can use inline assembler, do it because this allows us to break
// directly at the location of the failing check instead of breaking inside
// raise() called from it, i.e. one stack frame below.
#if defined(__GNUC__) && (defined(__i386) || defined(__x86_64))
#define CATCH_TRAP() asm volatile ("int $3") /* NOLINT */
#else // Fall back to the generic way.
#include <signal.h>

#define CATCH_TRAP() raise(SIGTRAP)
#endif
#elif defined(_MSC_VER)
#define CATCH_TRAP() __debugbreak()
#elif defined(__MINGW32__)
extern "C" __declspec(dllimport) void __stdcall DebugBreak();
#define CATCH_TRAP() DebugBreak()
#endif

#ifdef CATCH_TRAP
#define CATCH_BREAK_INTO_DEBUGGER() if( Catch::isDebuggerActive() ) { CATCH_TRAP(); }
#else
namespace Catch {
	inline void doNothing() {}
}
#define CATCH_BREAK_INTO_DEBUGGER() Catch::doNothing()
#endif

// end catch_debugger.h
// start catch_run_context.h

// start catch_fatal_condition.h

// start catch_windows_h_proxy.h


#if defined(CATCH_PLATFORM_WINDOWS)

#if !defined(NOMINMAX) && !defined(CATCH_CONFIG_NO_NOMINMAX)
#  define CATCH_DEFINED_NOMINMAX
#  define NOMINMAX
#endif
#if !defined(WIN32_LEAN_AND_MEAN) && !defined(CATCH_CONFIG_NO_WIN32_LEAN_AND_MEAN)
#  define CATCH_DEFINED_WIN32_LEAN_AND_MEAN
#  define WIN32_LEAN_AND_MEAN
#endif

#ifdef __AFXDLL
#include <AfxWin.h>
#else
#include <windows.h>
#endif

#ifdef CATCH_DEFINED_NOMINMAX
#  undef NOMINMAX
#endif
#ifdef CATCH_DEFINED_WIN32_LEAN_AND_MEAN
#  undef WIN32_LEAN_AND_MEAN
#endif

#endif // defined(CATCH_PLATFORM_WINDOWS)

// end catch_windows_h_proxy.h
#if defined( CATCH_CONFIG_WINDOWS_SEH )

namespace Catch {

	struct FatalConditionHandler {

		static LONG CALLBACK handleVectoredException(PEXCEPTION_POINTERS ExceptionInfo);
		FatalConditionHandler();
		static void reset();
		~FatalConditionHandler();

	private:
		static bool isSet;
		static ULONG guaranteeSize;
		static PVOID exceptionHandlerHandle;
	};

} // namespace Catch

#elif defined ( CATCH_CONFIG_POSIX_SIGNALS )

#include <signal.h>

namespace Catch {

	struct FatalConditionHandler {

		static bool isSet;
		static struct sigaction oldSigActions[];
		static stack_t oldSigStack;
		static char altStackMem[];

		static void handleSignal(int sig);

		FatalConditionHandler();
		~FatalConditionHandler();
		static void reset();
	};

} // namespace Catch

#else

namespace Catch {
	struct FatalConditionHandler {
		void reset();
	};
}

#endif

// end catch_fatal_condition.h
#include <string>

namespace Catch {

	struct IMutableContext;

	///////////////////////////////////////////////////////////////////////////

	class RunContext : public IResultCapture, public IRunner {

	public:
		RunContext(RunContext const&) = delete;
		RunContext& operator =(RunContext const&) = delete;

		explicit RunContext(IConfigPtr const& _config, IStreamingReporterPtr&& reporter);

		~RunContext() override;

		void testGroupStarting(std::string const& testSpec, std::size_t groupIndex, std::size_t groupsCount);
		void testGroupEnded(std::string const& testSpec, Totals const& totals, std::size_t groupIndex, std::size_t groupsCount);

		Totals runTest(TestCase const& testCase);

		IConfigPtr config() const;
		IStreamingReporter& reporter() const;

	public: // IResultCapture

			// Assertion handlers
		void handleExpr
		(AssertionInfo const& info,
			ITransientExpression const& expr,
			AssertionReaction& reaction) override;
		void handleMessage
		(AssertionInfo const& info,
			ResultWas::OfType resultType,
			StringRef const& message,
			AssertionReaction& reaction) override;
		void handleUnexpectedExceptionNotThrown
		(AssertionInfo const& info,
			AssertionReaction& reaction) override;
		void handleUnexpectedInflightException
		(AssertionInfo const& info,
			std::string const& message,
			AssertionReaction& reaction) override;
		void handleIncomplete
		(AssertionInfo const& info) override;
		void handleNonExpr
		(AssertionInfo const &info,
			ResultWas::OfType resultType,
			AssertionReaction &reaction) override;

		bool sectionStarted(SectionInfo const& sectionInfo, Counts& assertions) override;

		void sectionEnded(SectionEndInfo const& endInfo) override;
		void sectionEndedEarly(SectionEndInfo const& endInfo) override;

		void benchmarkStarting(BenchmarkInfo const& info) override;
		void benchmarkEnded(BenchmarkStats const& stats) override;

		void pushScopedMessage(MessageInfo const& message) override;
		void popScopedMessage(MessageInfo const& message) override;

		std::string getCurrentTestName() const override;

		const AssertionResult* getLastResult() const override;

		void exceptionEarlyReported() override;

		void handleFatalErrorCondition(StringRef message) override;

		bool lastAssertionPassed() override;

		void assertionPassed() override;

	public:
		// !TBD We need to do this another way!
		bool aborting() const final;

	private:

		void runCurrentTest(std::string& redirectedCout, std::string& redirectedCerr);
		void invokeActiveTestCase();

		void resetAssertionInfo();
		bool testForMissingAssertions(Counts& assertions);

		void assertionEnded(AssertionResult const& result);
		void reportExpr
		(AssertionInfo const &info,
			ResultWas::OfType resultType,
			ITransientExpression const *expr,
			bool negated);

		void populateReaction(AssertionReaction& reaction);

	private:

		void handleUnfinishedSections();

		TestRunInfo m_runInfo;
		IMutableContext& m_context;
		TestCase const* m_activeTestCase = nullptr;
		ITracker* m_testCaseTracker;
		Option<AssertionResult> m_lastResult;

		IConfigPtr m_config;
		Totals m_totals;
		IStreamingReporterPtr m_reporter;
		std::vector<MessageInfo> m_messages;
		AssertionInfo m_lastAssertionInfo;
		std::vector<SectionEndInfo> m_unfinishedSections;
		std::vector<ITracker*> m_activeSections;
		TrackerContext m_trackerContext;
		bool m_lastAssertionPassed = false;
		bool m_shouldReportUnexpected = true;
		bool m_includeSuccessfulResults;
	};

} // end namespace Catch

  // end catch_run_context.h
namespace Catch {

	auto operator <<(std::ostream& os, ITransientExpression const& expr) -> std::ostream& {
		expr.streamReconstructedExpression(os);
		return os;
	}

	LazyExpression::LazyExpression(bool isNegated)
		: m_isNegated(isNegated)
	{}

	LazyExpression::LazyExpression(LazyExpression const& other) : m_isNegated(other.m_isNegated) {}

	LazyExpression::operator bool() const {
		return m_transientExpression != nullptr;
	}

	auto operator << (std::ostream& os, LazyExpression const& lazyExpr) -> std::ostream& {
		if (lazyExpr.m_isNegated)
			os << "!";

		if (lazyExpr) {
			if (lazyExpr.m_isNegated && lazyExpr.m_transientExpression->isBinaryExpression())
				os << "(" << *lazyExpr.m_transientExpression << ")";
			else
				os << *lazyExpr.m_transientExpression;
		}
		else {
			os << "{** error - unchecked empty expression requested **}";
		}
		return os;
	}

	AssertionHandler::AssertionHandler
	(StringRef macroName,
		SourceLineInfo const& lineInfo,
		StringRef capturedExpression,
		ResultDisposition::Flags resultDisposition)
		: m_assertionInfo{ macroName, lineInfo, capturedExpression, resultDisposition },
		m_resultCapture(getResultCapture())
	{}

	void AssertionHandler::handleExpr(ITransientExpression const& expr) {
		m_resultCapture.handleExpr(m_assertionInfo, expr, m_reaction);
	}
	void AssertionHandler::handleMessage(ResultWas::OfType resultType, StringRef const& message) {
		m_resultCapture.handleMessage(m_assertionInfo, resultType, message, m_reaction);
	}

	auto AssertionHandler::allowThrows() const -> bool {
		return getCurrentContext().getConfig()->allowThrows();
	}

	void AssertionHandler::complete() {
		setCompleted();
		if (m_reaction.shouldDebugBreak) {

			// If you find your debugger stopping you here then go one level up on the
			// call-stack for the code that caused it (typically a failed assertion)

			// (To go back to the test and change execution, jump over the throw, next)
			CATCH_BREAK_INTO_DEBUGGER();
		}
		if (m_reaction.shouldThrow)
			throw Catch::TestFailureException();
	}
	void AssertionHandler::setCompleted() {
		m_completed = true;
	}

	void AssertionHandler::handleUnexpectedInflightException() {
		m_resultCapture.handleUnexpectedInflightException(m_assertionInfo, Catch::translateActiveException(), m_reaction);
	}

	void AssertionHandler::handleExceptionThrownAsExpected() {
		m_resultCapture.handleNonExpr(m_assertionInfo, ResultWas::Ok, m_reaction);
	}
	void AssertionHandler::handleExceptionNotThrownAsExpected() {
		m_resultCapture.handleNonExpr(m_assertionInfo, ResultWas::Ok, m_reaction);
	}

	void AssertionHandler::handleUnexpectedExceptionNotThrown() {
		m_resultCapture.handleUnexpectedExceptionNotThrown(m_assertionInfo, m_reaction);
	}

	void AssertionHandler::handleThrowingCallSkipped() {
		m_resultCapture.handleNonExpr(m_assertionInfo, ResultWas::Ok, m_reaction);
	}

	// This is the overload that takes a string and infers the Equals matcher from it
	// The more general overload, that takes any string matcher, is in catch_capture_matchers.cpp
	void handleExceptionMatchExpr(AssertionHandler& handler, std::string const& str, StringRef matcherString) {
		handleExceptionMatchExpr(handler, Matchers::Equals(str), matcherString);
	}

} // namespace Catch
  // end catch_assertionhandler.cpp
  // start catch_assertionresult.cpp

namespace Catch {
	AssertionResultData::AssertionResultData(ResultWas::OfType _resultType, LazyExpression const & _lazyExpression) :
		lazyExpression(_lazyExpression),
		resultType(_resultType) {}

	std::string AssertionResultData::reconstructExpression() const {

		if (reconstructedExpression.empty()) {
			if (lazyExpression) {
				ReusableStringStream rss;
				rss << lazyExpression;
				reconstructedExpression = rss.str();
			}
		}
		return reconstructedExpression;
	}

	AssertionResult::AssertionResult(AssertionInfo const& info, AssertionResultData const& data)
		: m_info(info),
		m_resultData(data)
	{}

	// Result was a success
	bool AssertionResult::succeeded() const {
		return Catch::isOk(m_resultData.resultType);
	}

	// Result was a success, or failure is suppressed
	bool AssertionResult::isOk() const {
		return Catch::isOk(m_resultData.resultType) || shouldSuppressFailure(m_info.resultDisposition);
	}

	ResultWas::OfType AssertionResult::getResultType() const {
		return m_resultData.resultType;
	}

	bool AssertionResult::hasExpression() const {
		return m_info.capturedExpression[0] != 0;
	}

	bool AssertionResult::hasMessage() const {
		return !m_resultData.message.empty();
	}

	std::string AssertionResult::getExpression() const {
		if (isFalseTest(m_info.resultDisposition))
			return "!(" + m_info.capturedExpression + ")";
		else
			return m_info.capturedExpression;
	}

	std::string AssertionResult::getExpressionInMacro() const {
		std::string expr;
		if (m_info.macroName[0] == 0)
			expr = m_info.capturedExpression;
		else {
			expr.reserve(m_info.macroName.size() + m_info.capturedExpression.size() + 4);
			expr += m_info.macroName;
			expr += "( ";
			expr += m_info.capturedExpression;
			expr += " )";
		}
		return expr;
	}

	bool AssertionResult::hasExpandedExpression() const {
		return hasExpression() && getExpandedExpression() != getExpression();
	}

	std::string AssertionResult::getExpandedExpression() const {
		std::string expr = m_resultData.reconstructExpression();
		return expr.empty()
			? getExpression()
			: expr;
	}

	std::string AssertionResult::getMessage() const {
		return m_resultData.message;
	}
	SourceLineInfo AssertionResult::getSourceInfo() const {
		return m_info.lineInfo;
	}

	StringRef AssertionResult::getTestMacroName() const {
		return m_info.macroName;
	}

} // end namespace Catch
  // end catch_assertionresult.cpp
  // start catch_benchmark.cpp

namespace Catch {

	auto BenchmarkLooper::getResolution() -> uint64_t {
		return getEstimatedClockResolution() * getCurrentContext().getConfig()->benchmarkResolutionMultiple();
	}

	void BenchmarkLooper::reportStart() {
		getResultCapture().benchmarkStarting({ m_name });
	}
	auto BenchmarkLooper::needsMoreIterations() -> bool {
		auto elapsed = m_timer.getElapsedNanoseconds();

		// Exponentially increasing iterations until we're confident in our timer resolution
		if (elapsed < m_resolution) {
			m_iterationsToRun *= 10;
			return true;
		}

		getResultCapture().benchmarkEnded({ { m_name }, m_count, elapsed });
		return false;
	}

} // end namespace Catch
  // end catch_benchmark.cpp
  // start catch_capture_matchers.cpp

namespace Catch {

	using StringMatcher = Matchers::Impl::MatcherBase<std::string>;

	// This is the general overload that takes a any string matcher
	// There is another overload, in catch_assertionhandler.h/.cpp, that only takes a string and infers
	// the Equals matcher (so the header does not mention matchers)
	void handleExceptionMatchExpr(AssertionHandler& handler, StringMatcher const& matcher, StringRef matcherString) {
		std::string exceptionMessage = Catch::translateActiveException();
		MatchExpr<std::string, StringMatcher const&> expr(exceptionMessage, matcher, matcherString);
		handler.handleExpr(expr);
	}

} // namespace Catch
  // end catch_capture_matchers.cpp
  // start catch_commandline.cpp

  // start catch_commandline.h

  // start catch_clara.h

  // Use Catch's value for console width (store Clara's off to the side, if present)
#ifdef CLARA_CONFIG_CONSOLE_WIDTH
#define CATCH_TEMP_CLARA_CONFIG_CONSOLE_WIDTH CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH
#undef CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH
#endif
#define CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH CATCH_CONFIG_CONSOLE_WIDTH-1

#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wweak-vtables"
#pragma clang diagnostic ignored "-Wexit-time-destructors"
#pragma clang diagnostic ignored "-Wshadow"
#endif

  // start clara.hpp
  // Copyright 2017 Two Blue Cubes Ltd. All rights reserved.
  //
  // Distributed under the Boost Software License, Version 1.0. (See accompanying
  // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  //
  // See https://github.com/philsquared/Clara for more details

  // Clara v1.1.4


#ifndef CATCH_CLARA_CONFIG_CONSOLE_WIDTH
#define CATCH_CLARA_CONFIG_CONSOLE_WIDTH 80
#endif

#ifndef CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH
#define CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH CATCH_CLARA_CONFIG_CONSOLE_WIDTH
#endif

#ifndef CLARA_CONFIG_OPTIONAL_TYPE
#ifdef __has_include
#if __has_include(<optional>) && __cplusplus >= 201703L
#include <optional>
#define CLARA_CONFIG_OPTIONAL_TYPE std::optional
#endif
#endif
#endif

  // ----------- #included from clara_textflow.hpp -----------

  // TextFlowCpp
  //
  // A single-header library for wrapping and laying out basic text, by Phil Nash
  //
  // This work is licensed under the BSD 2-Clause license.
  // See the accompanying LICENSE file, or the one at https://opensource.org/licenses/BSD-2-Clause
  //
  // This project is hosted at https://github.com/philsquared/textflowcpp


#include <cassert>
#include <ostream>
#include <sstream>
#include <vector>

#ifndef CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH
#define CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH 80
#endif

namespace Catch {
	namespace clara {
		namespace TextFlow {

			inline auto isWhitespace(char c) -> bool {
				static std::string chars = " \t\n\r";
				return chars.find(c) != std::string::npos;
			}
			inline auto isBreakableBefore(char c) -> bool {
				static std::string chars = "[({<|";
				return chars.find(c) != std::string::npos;
			}
			inline auto isBreakableAfter(char c) -> bool {
				static std::string chars = "])}>.,:;*+-=&/\\";
				return chars.find(c) != std::string::npos;
			}

			class Columns;

			class Column {
				std::vector<std::string> m_strings;
				size_t m_width = CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH;
				size_t m_indent = 0;
				size_t m_initialIndent = std::string::npos;

			public:
				class iterator {
					friend Column;

					Column const& m_column;
					size_t m_stringIndex = 0;
					size_t m_pos = 0;

					size_t m_len = 0;
					size_t m_end = 0;
					bool m_suffix = false;

					iterator(Column const& column, size_t stringIndex)
						: m_column(column),
						m_stringIndex(stringIndex)
					{}

					auto line() const -> std::string const& { return m_column.m_strings[m_stringIndex]; }

					auto isBoundary(size_t at) const -> bool {
						assert(at > 0);
						assert(at <= line().size());

						return at == line().size() ||
							(isWhitespace(line()[at]) && !isWhitespace(line()[at - 1])) ||
							isBreakableBefore(line()[at]) ||
							isBreakableAfter(line()[at - 1]);
					}

					void calcLength() {
						assert(m_stringIndex < m_column.m_strings.size());

						m_suffix = false;
						auto width = m_column.m_width - indent();
						m_end = m_pos;
						while (m_end < line().size() && line()[m_end] != '\n')
							++m_end;

						if (m_end < m_pos + width) {
							m_len = m_end - m_pos;
						}
						else {
							size_t len = width;
							while (len > 0 && !isBoundary(m_pos + len))
								--len;
							while (len > 0 && isWhitespace(line()[m_pos + len - 1]))
								--len;

							if (len > 0) {
								m_len = len;
							}
							else {
								m_suffix = true;
								m_len = width - 1;
							}
						}
					}

					auto indent() const -> size_t {
						auto initial = m_pos == 0 && m_stringIndex == 0 ? m_column.m_initialIndent : std::string::npos;
						return initial == std::string::npos ? m_column.m_indent : initial;
					}

					auto addIndentAndSuffix(std::string const &plain) const -> std::string {
						return std::string(indent(), ' ') + (m_suffix ? plain + "-" : plain);
					}

				public:
					explicit iterator(Column const& column) : m_column(column) {
						assert(m_column.m_width > m_column.m_indent);
						assert(m_column.m_initialIndent == std::string::npos || m_column.m_width > m_column.m_initialIndent);
						calcLength();
						if (m_len == 0)
							m_stringIndex++; // Empty string
					}

					auto operator *() const -> std::string {
						assert(m_stringIndex < m_column.m_strings.size());
						assert(m_pos <= m_end);
						if (m_pos + m_column.m_width < m_end)
							return addIndentAndSuffix(line().substr(m_pos, m_len));
						else
							return addIndentAndSuffix(line().substr(m_pos, m_end - m_pos));
					}

					auto operator ++() -> iterator& {
						m_pos += m_len;
						if (m_pos < line().size() && line()[m_pos] == '\n')
							m_pos += 1;
						else
							while (m_pos < line().size() && isWhitespace(line()[m_pos]))
								++m_pos;

						if (m_pos == line().size()) {
							m_pos = 0;
							++m_stringIndex;
						}
						if (m_stringIndex < m_column.m_strings.size())
							calcLength();
						return *this;
					}
					auto operator ++(int) -> iterator {
						iterator prev(*this);
						operator++();
						return prev;
					}

					auto operator ==(iterator const& other) const -> bool {
						return
							m_pos == other.m_pos &&
							m_stringIndex == other.m_stringIndex &&
							&m_column == &other.m_column;
					}
					auto operator !=(iterator const& other) const -> bool {
						return !operator==(other);
					}
				};
				using const_iterator = iterator;

				explicit Column(std::string const& text) { m_strings.push_back(text); }

				auto width(size_t newWidth) -> Column& {
					assert(newWidth > 0);
					m_width = newWidth;
					return *this;
				}
				auto indent(size_t newIndent) -> Column& {
					m_indent = newIndent;
					return *this;
				}
				auto initialIndent(size_t newIndent) -> Column& {
					m_initialIndent = newIndent;
					return *this;
				}

				auto width() const -> size_t { return m_width; }
				auto begin() const -> iterator { return iterator(*this); }
				auto end() const -> iterator { return { *this, m_strings.size() }; }

				inline friend std::ostream& operator << (std::ostream& os, Column const& col) {
					bool first = true;
					for (auto line : col) {
						if (first)
							first = false;
						else
							os << "\n";
						os << line;
					}
					return os;
				}

				auto operator + (Column const& other)->Columns;

				auto toString() const -> std::string {
					std::ostringstream oss;
					oss << *this;
					return oss.str();
				}
			};

			class Spacer : public Column {

			public:
				explicit Spacer(size_t spaceWidth) : Column("") {
					width(spaceWidth);
				}
			};

			class Columns {
				std::vector<Column> m_columns;

			public:

				class iterator {
					friend Columns;
					struct EndTag {};

					std::vector<Column> const& m_columns;
					std::vector<Column::iterator> m_iterators;
					size_t m_activeIterators;

					iterator(Columns const& columns, EndTag)
						: m_columns(columns.m_columns),
						m_activeIterators(0)
					{
						m_iterators.reserve(m_columns.size());

						for (auto const& col : m_columns)
							m_iterators.push_back(col.end());
					}

				public:
					explicit iterator(Columns const& columns)
						: m_columns(columns.m_columns),
						m_activeIterators(m_columns.size())
					{
						m_iterators.reserve(m_columns.size());

						for (auto const& col : m_columns)
							m_iterators.push_back(col.begin());
					}

					auto operator ==(iterator const& other) const -> bool {
						return m_iterators == other.m_iterators;
					}
					auto operator !=(iterator const& other) const -> bool {
						return m_iterators != other.m_iterators;
					}
					auto operator *() const -> std::string {
						std::string row, padding;

						for (size_t i = 0; i < m_columns.size(); ++i) {
							auto width = m_columns[i].width();
							if (m_iterators[i] != m_columns[i].end()) {
								std::string col = *m_iterators[i];
								row += padding + col;
								if (col.size() < width)
									padding = std::string(width - col.size(), ' ');
								else
									padding = "";
							}
							else {
								padding += std::string(width, ' ');
							}
						}
						return row;
					}
					auto operator ++() -> iterator& {
						for (size_t i = 0; i < m_columns.size(); ++i) {
							if (m_iterators[i] != m_columns[i].end())
								++m_iterators[i];
						}
						return *this;
					}
					auto operator ++(int) -> iterator {
						iterator prev(*this);
						operator++();
						return prev;
					}
				};
				using const_iterator = iterator;

				auto begin() const -> iterator { return iterator(*this); }
				auto end() const -> iterator { return { *this, iterator::EndTag() }; }

				auto operator += (Column const& col) -> Columns& {
					m_columns.push_back(col);
					return *this;
				}
				auto operator + (Column const& col) -> Columns {
					Columns combined = *this;
					combined += col;
					return combined;
				}

				inline friend std::ostream& operator << (std::ostream& os, Columns const& cols) {

					bool first = true;
					for (auto line : cols) {
						if (first)
							first = false;
						else
							os << "\n";
						os << line;
					}
					return os;
				}

				auto toString() const -> std::string {
					std::ostringstream oss;
					oss << *this;
					return oss.str();
				}
			};

			inline auto Column::operator + (Column const& other) -> Columns {
				Columns cols;
				cols += *this;
				cols += other;
				return cols;
			}
		}
	}
} // namespace Catch::clara::TextFlow

  // ----------- end of #include from clara_textflow.hpp -----------
  // ........... back in clara.hpp

#include <memory>
#include <set>
#include <algorithm>

#if !defined(CATCH_PLATFORM_WINDOWS) && ( defined(WIN32) || defined(__WIN32__) || defined(_WIN32) || defined(_MSC_VER) )
#define CATCH_PLATFORM_WINDOWS
#endif

namespace Catch {
	namespace clara {
		namespace detail {

			// Traits for extracting arg and return type of lambdas (for single argument lambdas)
			template<typename L>
			struct UnaryLambdaTraits : UnaryLambdaTraits<decltype(&L::operator())> {};

			template<typename ClassT, typename ReturnT, typename... Args>
			struct UnaryLambdaTraits<ReturnT(ClassT::*)(Args...) const> {
				static const bool isValid = false;
			};

			template<typename ClassT, typename ReturnT, typename ArgT>
			struct UnaryLambdaTraits<ReturnT(ClassT::*)(ArgT) const> {
				static const bool isValid = true;
				using ArgType = typename std::remove_const<typename std::remove_reference<ArgT>::type>::type;
				using ReturnType = ReturnT;
			};

			class TokenStream;

			// Transport for raw args (copied from main args, or supplied via init list for testing)
			class Args {
				friend TokenStream;
				std::string m_exeName;
				std::vector<std::string> m_args;

			public:
				Args(int argc, char const* const* argv)
					: m_exeName(argv[0]),
					m_args(argv + 1, argv + argc) {}

				Args(std::initializer_list<std::string> args)
					: m_exeName(*args.begin()),
					m_args(args.begin() + 1, args.end())
				{}

				auto exeName() const -> std::string {
					return m_exeName;
				}
			};

			// Wraps a token coming from a token stream. These may not directly correspond to strings as a single string
			// may encode an option + its argument if the : or = form is used
			enum class TokenType {
				Option, Argument
			};
			struct Token {
				TokenType type;
				std::string token;
			};

			inline auto isOptPrefix(char c) -> bool {
				return c == '-'
#ifdef CATCH_PLATFORM_WINDOWS
					|| c == '/'
#endif
					;
			}

			// Abstracts iterators into args as a stream of tokens, with option arguments uniformly handled
			class TokenStream {
				using Iterator = std::vector<std::string>::const_iterator;
				Iterator it;
				Iterator itEnd;
				std::vector<Token> m_tokenBuffer;

				void loadBuffer() {
					m_tokenBuffer.resize(0);

					// Skip any empty strings
					while (it != itEnd && it->empty())
						++it;

					if (it != itEnd) {
						auto const &next = *it;
						if (isOptPrefix(next[0])) {
							auto delimiterPos = next.find_first_of(" :=");
							if (delimiterPos != std::string::npos) {
								m_tokenBuffer.push_back({ TokenType::Option, next.substr(0, delimiterPos) });
								m_tokenBuffer.push_back({ TokenType::Argument, next.substr(delimiterPos + 1) });
							}
							else {
								if (next[1] != '-' && next.size() > 2) {
									std::string opt = "- ";
									for (size_t i = 1; i < next.size(); ++i) {
										opt[1] = next[i];
										m_tokenBuffer.push_back({ TokenType::Option, opt });
									}
								}
								else {
									m_tokenBuffer.push_back({ TokenType::Option, next });
								}
							}
						}
						else {
							m_tokenBuffer.push_back({ TokenType::Argument, next });
						}
					}
				}

			public:
				explicit TokenStream(Args const &args) : TokenStream(args.m_args.begin(), args.m_args.end()) {}

				TokenStream(Iterator it, Iterator itEnd) : it(it), itEnd(itEnd) {
					loadBuffer();
				}

				explicit operator bool() const {
					return !m_tokenBuffer.empty() || it != itEnd;
				}

				auto count() const -> size_t { return m_tokenBuffer.size() + (itEnd - it); }

				auto operator*() const -> Token {
					assert(!m_tokenBuffer.empty());
					return m_tokenBuffer.front();
				}

				auto operator->() const -> Token const * {
					assert(!m_tokenBuffer.empty());
					return &m_tokenBuffer.front();
				}

				auto operator++() -> TokenStream & {
					if (m_tokenBuffer.size() >= 2) {
						m_tokenBuffer.erase(m_tokenBuffer.begin());
					}
					else {
						if (it != itEnd)
							++it;
						loadBuffer();
					}
					return *this;
				}
			};

			class ResultBase {
			public:
				enum Type {
					Ok, LogicError, RuntimeError
				};

			protected:
				ResultBase(Type type) : m_type(type) {}
				virtual ~ResultBase() = default;

				virtual void enforceOk() const = 0;

				Type m_type;
			};

			template<typename T>
			class ResultValueBase : public ResultBase {
			public:
				auto value() const -> T const & {
					enforceOk();
					return m_value;
				}

			protected:
				ResultValueBase(Type type) : ResultBase(type) {}

				ResultValueBase(ResultValueBase const &other) : ResultBase(other) {
					if (m_type == ResultBase::Ok)
						new(&m_value) T(other.m_value);
				}

				ResultValueBase(Type, T const &value) : ResultBase(Ok) {
					new(&m_value) T(value);
				}

				auto operator=(ResultValueBase const &other) -> ResultValueBase & {
					if (m_type == ResultBase::Ok)
						m_value.~T();
					ResultBase::operator=(other);
					if (m_type == ResultBase::Ok)
						new(&m_value) T(other.m_value);
					return *this;
				}

				~ResultValueBase() override {
					if (m_type == Ok)
						m_value.~T();
				}

				union {
					T m_value;
				};
			};

			template<>
			class ResultValueBase<void> : public ResultBase {
			protected:
				using ResultBase::ResultBase;
			};

			template<typename T = void>
			class BasicResult : public ResultValueBase<T> {
			public:
				template<typename U>
				explicit BasicResult(BasicResult<U> const &other)
					: ResultValueBase<T>(other.type()),
					m_errorMessage(other.errorMessage())
				{
					assert(type() != ResultBase::Ok);
				}

				template<typename U>
				static auto ok(U const &value) -> BasicResult { return { ResultBase::Ok, value }; }
				static auto ok() -> BasicResult { return { ResultBase::Ok }; }
				static auto logicError(std::string const &message) -> BasicResult { return { ResultBase::LogicError, message }; }
				static auto runtimeError(std::string const &message) -> BasicResult { return { ResultBase::RuntimeError, message }; }

				explicit operator bool() const { return m_type == ResultBase::Ok; }
				auto type() const -> ResultBase::Type { return m_type; }
				auto errorMessage() const -> std::string { return m_errorMessage; }

			protected:
				void enforceOk() const override {

					// Errors shouldn't reach this point, but if they do
					// the actual error message will be in m_errorMessage
					assert(m_type != ResultBase::LogicError);
					assert(m_type != ResultBase::RuntimeError);
					if (m_type != ResultBase::Ok)
						std::abort();
				}

				std::string m_errorMessage; // Only populated if resultType is an error

				BasicResult(ResultBase::Type type, std::string const &message)
					: ResultValueBase<T>(type),
					m_errorMessage(message)
				{
					assert(m_type != ResultBase::Ok);
				}

				using ResultValueBase<T>::ResultValueBase;
				using ResultBase::m_type;
			};

			enum class ParseResultType {
				Matched, NoMatch, ShortCircuitAll, ShortCircuitSame
			};

			class ParseState {
			public:

				ParseState(ParseResultType type, TokenStream const &remainingTokens)
					: m_type(type),
					m_remainingTokens(remainingTokens)
				{}

				auto type() const -> ParseResultType { return m_type; }
				auto remainingTokens() const -> TokenStream { return m_remainingTokens; }

			private:
				ParseResultType m_type;
				TokenStream m_remainingTokens;
			};

			using Result = BasicResult<void>;
			using ParserResult = BasicResult<ParseResultType>;
			using InternalParseResult = BasicResult<ParseState>;

			struct HelpColumns {
				std::string left;
				std::string right;
			};

			template<typename T>
			inline auto convertInto(std::string const &source, T& target) -> ParserResult {
				std::stringstream ss;
				ss << source;
				ss >> target;
				if (ss.fail())
					return ParserResult::runtimeError("Unable to convert '" + source + "' to destination type");
				else
					return ParserResult::ok(ParseResultType::Matched);
			}
			inline auto convertInto(std::string const &source, std::string& target) -> ParserResult {
				target = source;
				return ParserResult::ok(ParseResultType::Matched);
			}
			inline auto convertInto(std::string const &source, bool &target) -> ParserResult {
				std::string srcLC = source;
				std::transform(srcLC.begin(), srcLC.end(), srcLC.begin(), [](char c) { return static_cast<char>(::tolower(c)); });
				if (srcLC == "y" || srcLC == "1" || srcLC == "true" || srcLC == "yes" || srcLC == "on")
					target = true;
				else if (srcLC == "n" || srcLC == "0" || srcLC == "false" || srcLC == "no" || srcLC == "off")
					target = false;
				else
					return ParserResult::runtimeError("Expected a boolean value but did not recognise: '" + source + "'");
				return ParserResult::ok(ParseResultType::Matched);
			}
#ifdef CLARA_CONFIG_OPTIONAL_TYPE
			template<typename T>
			inline auto convertInto(std::string const &source, CLARA_CONFIG_OPTIONAL_TYPE<T>& target) -> ParserResult {
				T temp;
				auto result = convertInto(source, temp);
				if (result)
					target = std::move(temp);
				return result;
			}
#endif // CLARA_CONFIG_OPTIONAL_TYPE

			struct NonCopyable {
				NonCopyable() = default;
				NonCopyable(NonCopyable const &) = delete;
				NonCopyable(NonCopyable &&) = delete;
				NonCopyable &operator=(NonCopyable const &) = delete;
				NonCopyable &operator=(NonCopyable &&) = delete;
			};

			struct BoundRef : NonCopyable {
				virtual ~BoundRef() = default;
				virtual auto isContainer() const -> bool { return false; }
				virtual auto isFlag() const -> bool { return false; }
			};
			struct BoundValueRefBase : BoundRef {
				virtual auto setValue(std::string const &arg)->ParserResult = 0;
			};
			struct BoundFlagRefBase : BoundRef {
				virtual auto setFlag(bool flag)->ParserResult = 0;
				virtual auto isFlag() const -> bool { return true; }
			};

			template<typename T>
			struct BoundValueRef : BoundValueRefBase {
				T &m_ref;

				explicit BoundValueRef(T &ref) : m_ref(ref) {}

				auto setValue(std::string const &arg) -> ParserResult override {
					return convertInto(arg, m_ref);
				}
			};

			template<typename T>
			struct BoundValueRef<std::vector<T>> : BoundValueRefBase {
				std::vector<T> &m_ref;

				explicit BoundValueRef(std::vector<T> &ref) : m_ref(ref) {}

				auto isContainer() const -> bool override { return true; }

				auto setValue(std::string const &arg) -> ParserResult override {
					T temp;
					auto result = convertInto(arg, temp);
					if (result)
						m_ref.push_back(temp);
					return result;
				}
			};

			struct BoundFlagRef : BoundFlagRefBase {
				bool &m_ref;

				explicit BoundFlagRef(bool &ref) : m_ref(ref) {}

				auto setFlag(bool flag) -> ParserResult override {
					m_ref = flag;
					return ParserResult::ok(ParseResultType::Matched);
				}
			};

			template<typename ReturnType>
			struct LambdaInvoker {
				static_assert(std::is_same<ReturnType, ParserResult>::value, "Lambda must return void or clara::ParserResult");

				template<typename L, typename ArgType>
				static auto invoke(L const &lambda, ArgType const &arg) -> ParserResult {
					return lambda(arg);
				}
			};

			template<>
			struct LambdaInvoker<void> {
				template<typename L, typename ArgType>
				static auto invoke(L const &lambda, ArgType const &arg) -> ParserResult {
					lambda(arg);
					return ParserResult::ok(ParseResultType::Matched);
				}
			};

			template<typename ArgType, typename L>
			inline auto invokeLambda(L const &lambda, std::string const &arg) -> ParserResult {
				ArgType temp{};
				auto result = convertInto(arg, temp);
				return !result
					? result
					: LambdaInvoker<typename UnaryLambdaTraits<L>::ReturnType>::invoke(lambda, temp);
			}

			template<typename L>
			struct BoundLambda : BoundValueRefBase {
				L m_lambda;

				static_assert(UnaryLambdaTraits<L>::isValid, "Supplied lambda must take exactly one argument");
				explicit BoundLambda(L const &lambda) : m_lambda(lambda) {}

				auto setValue(std::string const &arg) -> ParserResult override {
					return invokeLambda<typename UnaryLambdaTraits<L>::ArgType>(m_lambda, arg);
				}
			};

			template<typename L>
			struct BoundFlagLambda : BoundFlagRefBase {
				L m_lambda;

				static_assert(UnaryLambdaTraits<L>::isValid, "Supplied lambda must take exactly one argument");
				static_assert(std::is_same<typename UnaryLambdaTraits<L>::ArgType, bool>::value, "flags must be boolean");

				explicit BoundFlagLambda(L const &lambda) : m_lambda(lambda) {}

				auto setFlag(bool flag) -> ParserResult override {
					return LambdaInvoker<typename UnaryLambdaTraits<L>::ReturnType>::invoke(m_lambda, flag);
				}
			};

			enum class Optionality { Optional, Required };

			struct Parser;

			class ParserBase {
			public:
				virtual ~ParserBase() = default;
				virtual auto validate() const -> Result { return Result::ok(); }
				virtual auto parse(std::string const& exeName, TokenStream const &tokens) const->InternalParseResult = 0;
				virtual auto cardinality() const -> size_t { return 1; }

				auto parse(Args const &args) const -> InternalParseResult {
					return parse(args.exeName(), TokenStream(args));
				}
			};

			template<typename DerivedT>
			class ComposableParserImpl : public ParserBase {
			public:
				template<typename T>
				auto operator|(T const &other) const->Parser;

				template<typename T>
				auto operator+(T const &other) const->Parser;
			};

			// Common code and state for Args and Opts
			template<typename DerivedT>
			class ParserRefImpl : public ComposableParserImpl<DerivedT> {
			protected:
				Optionality m_optionality = Optionality::Optional;
				std::shared_ptr<BoundRef> m_ref;
				std::string m_hint;
				std::string m_description;

				explicit ParserRefImpl(std::shared_ptr<BoundRef> const &ref) : m_ref(ref) {}

			public:
				template<typename T>
				ParserRefImpl(T &ref, std::string const &hint)
					: m_ref(std::make_shared<BoundValueRef<T>>(ref)),
					m_hint(hint)
				{}

				template<typename LambdaT>
				ParserRefImpl(LambdaT const &ref, std::string const &hint)
					: m_ref(std::make_shared<BoundLambda<LambdaT>>(ref)),
					m_hint(hint)
				{}

				auto operator()(std::string const &description) -> DerivedT & {
					m_description = description;
					return static_cast<DerivedT &>(*this);
				}

				auto optional() -> DerivedT & {
					m_optionality = Optionality::Optional;
					return static_cast<DerivedT &>(*this);
				};

				auto required() -> DerivedT & {
					m_optionality = Optionality::Required;
					return static_cast<DerivedT &>(*this);
				};

				auto isOptional() const -> bool {
					return m_optionality == Optionality::Optional;
				}

				auto cardinality() const -> size_t override {
					if (m_ref->isContainer())
						return 0;
					else
						return 1;
				}

				auto hint() const -> std::string { return m_hint; }
			};

			class ExeName : public ComposableParserImpl<ExeName> {
				std::shared_ptr<std::string> m_name;
				std::shared_ptr<BoundValueRefBase> m_ref;

				template<typename LambdaT>
				static auto makeRef(LambdaT const &lambda) -> std::shared_ptr<BoundValueRefBase> {
					return std::make_shared<BoundLambda<LambdaT>>(lambda);
				}

			public:
				ExeName() : m_name(std::make_shared<std::string>("<executable>")) {}

				explicit ExeName(std::string &ref) : ExeName() {
					m_ref = std::make_shared<BoundValueRef<std::string>>(ref);
				}

				template<typename LambdaT>
				explicit ExeName(LambdaT const& lambda) : ExeName() {
					m_ref = std::make_shared<BoundLambda<LambdaT>>(lambda);
				}

				// The exe name is not parsed out of the normal tokens, but is handled specially
				auto parse(std::string const&, TokenStream const &tokens) const -> InternalParseResult override {
					return InternalParseResult::ok(ParseState(ParseResultType::NoMatch, tokens));
				}

				auto name() const -> std::string { return *m_name; }
				auto set(std::string const& newName) -> ParserResult {

					auto lastSlash = newName.find_last_of("\\/");
					auto filename = (lastSlash == std::string::npos)
						? newName
						: newName.substr(lastSlash + 1);

					*m_name = filename;
					if (m_ref)
						return m_ref->setValue(filename);
					else
						return ParserResult::ok(ParseResultType::Matched);
				}
			};

			class Arg : public ParserRefImpl<Arg> {
			public:
				using ParserRefImpl::ParserRefImpl;

				auto parse(std::string const &, TokenStream const &tokens) const -> InternalParseResult override {
					auto validationResult = validate();
					if (!validationResult)
						return InternalParseResult(validationResult);

					auto remainingTokens = tokens;
					auto const &token = *remainingTokens;
					if (token.type != TokenType::Argument)
						return InternalParseResult::ok(ParseState(ParseResultType::NoMatch, remainingTokens));

					assert(!m_ref->isFlag());
					auto valueRef = static_cast<detail::BoundValueRefBase*>(m_ref.get());

					auto result = valueRef->setValue(remainingTokens->token);
					if (!result)
						return InternalParseResult(result);
					else
						return InternalParseResult::ok(ParseState(ParseResultType::Matched, ++remainingTokens));
				}
			};

			inline auto normaliseOpt(std::string const &optName) -> std::string {
#ifdef CATCH_PLATFORM_WINDOWS
				if (optName[0] == '/')
					return "-" + optName.substr(1);
				else
#endif
					return optName;
			}

			class Opt : public ParserRefImpl<Opt> {
			protected:
				std::vector<std::string> m_optNames;

			public:
				template<typename LambdaT>
				explicit Opt(LambdaT const &ref) : ParserRefImpl(std::make_shared<BoundFlagLambda<LambdaT>>(ref)) {}

				explicit Opt(bool &ref) : ParserRefImpl(std::make_shared<BoundFlagRef>(ref)) {}

				template<typename LambdaT>
				Opt(LambdaT const &ref, std::string const &hint) : ParserRefImpl(ref, hint) {}

				template<typename T>
				Opt(T &ref, std::string const &hint) : ParserRefImpl(ref, hint) {}

				auto operator[](std::string const &optName) -> Opt & {
					m_optNames.push_back(optName);
					return *this;
				}

				auto getHelpColumns() const -> std::vector<HelpColumns> {
					std::ostringstream oss;
					bool first = true;
					for (auto const &opt : m_optNames) {
						if (first)
							first = false;
						else
							oss << ", ";
						oss << opt;
					}
					if (!m_hint.empty())
						oss << " <" << m_hint << ">";
					return { { oss.str(), m_description } };
				}

				auto isMatch(std::string const &optToken) const -> bool {
					auto normalisedToken = normaliseOpt(optToken);
					for (auto const &name : m_optNames) {
						if (normaliseOpt(name) == normalisedToken)
							return true;
					}
					return false;
				}

				using ParserBase::parse;

				auto parse(std::string const&, TokenStream const &tokens) const -> InternalParseResult override {
					auto validationResult = validate();
					if (!validationResult)
						return InternalParseResult(validationResult);

					auto remainingTokens = tokens;
					if (remainingTokens && remainingTokens->type == TokenType::Option) {
						auto const &token = *remainingTokens;
						if (isMatch(token.token)) {
							if (m_ref->isFlag()) {
								auto flagRef = static_cast<detail::BoundFlagRefBase*>(m_ref.get());
								auto result = flagRef->setFlag(true);
								if (!result)
									return InternalParseResult(result);
								if (result.value() == ParseResultType::ShortCircuitAll)
									return InternalParseResult::ok(ParseState(result.value(), remainingTokens));
							}
							else {
								auto valueRef = static_cast<detail::BoundValueRefBase*>(m_ref.get());
								++remainingTokens;
								if (!remainingTokens)
									return InternalParseResult::runtimeError("Expected argument following " + token.token);
								auto const &argToken = *remainingTokens;
								if (argToken.type != TokenType::Argument)
									return InternalParseResult::runtimeError("Expected argument following " + token.token);
								auto result = valueRef->setValue(argToken.token);
								if (!result)
									return InternalParseResult(result);
								if (result.value() == ParseResultType::ShortCircuitAll)
									return InternalParseResult::ok(ParseState(result.value(), remainingTokens));
							}
							return InternalParseResult::ok(ParseState(ParseResultType::Matched, ++remainingTokens));
						}
					}
					return InternalParseResult::ok(ParseState(ParseResultType::NoMatch, remainingTokens));
				}

				auto validate() const -> Result override {
					if (m_optNames.empty())
						return Result::logicError("No options supplied to Opt");
					for (auto const &name : m_optNames) {
						if (name.empty())
							return Result::logicError("Option name cannot be empty");
#ifdef CATCH_PLATFORM_WINDOWS
						if (name[0] != '-' && name[0] != '/')
							return Result::logicError("Option name must begin with '-' or '/'");
#else
						if (name[0] != '-')
							return Result::logicError("Option name must begin with '-'");
#endif
					}
					return ParserRefImpl::validate();
				}
			};

			struct Help : Opt {
				Help(bool &showHelpFlag)
					: Opt([&](bool flag) {
					showHelpFlag = flag;
					return ParserResult::ok(ParseResultType::ShortCircuitAll);
				})
				{
					static_cast<Opt &>(*this)
						("display usage information")
						["-?"]["-h"]["--help"]
						.optional();
				}
			};

			struct Parser : ParserBase {

				mutable ExeName m_exeName;
				std::vector<Opt> m_options;
				std::vector<Arg> m_args;

				auto operator|=(ExeName const &exeName) -> Parser & {
					m_exeName = exeName;
					return *this;
				}

				auto operator|=(Arg const &arg) -> Parser & {
					m_args.push_back(arg);
					return *this;
				}

				auto operator|=(Opt const &opt) -> Parser & {
					m_options.push_back(opt);
					return *this;
				}

				auto operator|=(Parser const &other) -> Parser & {
					m_options.insert(m_options.end(), other.m_options.begin(), other.m_options.end());
					m_args.insert(m_args.end(), other.m_args.begin(), other.m_args.end());
					return *this;
				}

				template<typename T>
				auto operator|(T const &other) const -> Parser {
					return Parser(*this) |= other;
				}

				// Forward deprecated interface with '+' instead of '|'
				template<typename T>
				auto operator+=(T const &other) -> Parser & { return operator|=(other); }
				template<typename T>
				auto operator+(T const &other) const -> Parser { return operator|(other); }

				auto getHelpColumns() const -> std::vector<HelpColumns> {
					std::vector<HelpColumns> cols;
					for (auto const &o : m_options) {
						auto childCols = o.getHelpColumns();
						cols.insert(cols.end(), childCols.begin(), childCols.end());
					}
					return cols;
				}

				void writeToStream(std::ostream &os) const {
					if (!m_exeName.name().empty()) {
						os << "usage:\n" << "  " << m_exeName.name() << " ";
						bool required = true, first = true;
						for (auto const &arg : m_args) {
							if (first)
								first = false;
							else
								os << " ";
							if (arg.isOptional() && required) {
								os << "[";
								required = false;
							}
							os << "<" << arg.hint() << ">";
							if (arg.cardinality() == 0)
								os << " ... ";
						}
						if (!required)
							os << "]";
						if (!m_options.empty())
							os << " options";
						os << "\n\nwhere options are:" << std::endl;
					}

					auto rows = getHelpColumns();
					size_t consoleWidth = CATCH_CLARA_CONFIG_CONSOLE_WIDTH;
					size_t optWidth = 0;
					for (auto const &cols : rows)
						optWidth = (std::max)(optWidth, cols.left.size() + 2);

					optWidth = (std::min)(optWidth, consoleWidth / 2);

					for (auto const &cols : rows) {
						auto row =
							TextFlow::Column(cols.left).width(optWidth).indent(2) +
							TextFlow::Spacer(4) +
							TextFlow::Column(cols.right).width(consoleWidth - 7 - optWidth);
						os << row << std::endl;
					}
				}

				friend auto operator<<(std::ostream &os, Parser const &parser) -> std::ostream& {
					parser.writeToStream(os);
					return os;
				}

				auto validate() const -> Result override {
					for (auto const &opt : m_options) {
						auto result = opt.validate();
						if (!result)
							return result;
					}
					for (auto const &arg : m_args) {
						auto result = arg.validate();
						if (!result)
							return result;
					}
					return Result::ok();
				}

				using ParserBase::parse;

				auto parse(std::string const& exeName, TokenStream const &tokens) const -> InternalParseResult override {

					struct ParserInfo {
						ParserBase const* parser = nullptr;
						size_t count = 0;
					};
					const size_t totalParsers = m_options.size() + m_args.size();
					assert(totalParsers < 512);
					// ParserInfo parseInfos[totalParsers]; // <-- this is what we really want to do
					ParserInfo parseInfos[512];

					{
						size_t i = 0;
						for (auto const &opt : m_options) parseInfos[i++].parser = &opt;
						for (auto const &arg : m_args) parseInfos[i++].parser = &arg;
					}

					m_exeName.set(exeName);

					auto result = InternalParseResult::ok(ParseState(ParseResultType::NoMatch, tokens));
					while (result.value().remainingTokens()) {
						bool tokenParsed = false;

						for (size_t i = 0; i < totalParsers; ++i) {
							auto&  parseInfo = parseInfos[i];
							if (parseInfo.parser->cardinality() == 0 || parseInfo.count < parseInfo.parser->cardinality()) {
								result = parseInfo.parser->parse(exeName, result.value().remainingTokens());
								if (!result)
									return result;
								if (result.value().type() != ParseResultType::NoMatch) {
									tokenParsed = true;
									++parseInfo.count;
									break;
								}
							}
						}

						if (result.value().type() == ParseResultType::ShortCircuitAll)
							return result;
						if (!tokenParsed)
							return InternalParseResult::runtimeError("Unrecognised token: " + result.value().remainingTokens()->token);
					}
					// !TBD Check missing required options
					return result;
				}
			};

			template<typename DerivedT>
			template<typename T>
			auto ComposableParserImpl<DerivedT>::operator|(T const &other) const -> Parser {
				return Parser() | static_cast<DerivedT const &>(*this) | other;
			}
		} // namespace detail

		  // A Combined parser
		using detail::Parser;

		// A parser for options
		using detail::Opt;

		// A parser for arguments
		using detail::Arg;

		// Wrapper for argc, argv from main()
		using detail::Args;

		// Specifies the name of the executable
		using detail::ExeName;

		// Convenience wrapper for option parser that specifies the help option
		using detail::Help;

		// enum of result types from a parse
		using detail::ParseResultType;

		// Result type for parser operation
		using detail::ParserResult;

	}
} // namespace Catch::clara

  // end clara.hpp
#ifdef __clang__
#pragma clang diagnostic pop
#endif

  // Restore Clara's value for console width, if present
#ifdef CATCH_TEMP_CLARA_CONFIG_CONSOLE_WIDTH
#define CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH CATCH_TEMP_CLARA_CONFIG_CONSOLE_WIDTH
#undef CATCH_TEMP_CLARA_CONFIG_CONSOLE_WIDTH
#endif

  // end catch_clara.h
namespace Catch {

	clara::Parser makeCommandLineParser(ConfigData& config);

} // end namespace Catch

  // end catch_commandline.h
#include <fstream>
#include <ctime>

namespace Catch {

	clara::Parser makeCommandLineParser(ConfigData& config) {

		using namespace clara;

		auto const setWarning = [&](std::string const& warning) {
			auto warningSet = [&]() {
				if (warning == "NoAssertions")
					return WarnAbout::NoAssertions;

				if (warning == "NoTests")
					return WarnAbout::NoTests;

				return WarnAbout::Nothing;
			}();

			if (warningSet == WarnAbout::Nothing)
				return ParserResult::runtimeError("Unrecognised warning: '" + warning + "'");
			config.warnings = static_cast<WarnAbout::What>(config.warnings | warningSet);
			return ParserResult::ok(ParseResultType::Matched);
		};
		auto const loadTestNamesFromFile = [&](std::string const& filename) {
			std::ifstream f(filename.c_str());
			if (!f.is_open())
				return ParserResult::runtimeError("Unable to load input file: '" + filename + "'");

			std::string line;
			while (std::getline(f, line)) {
				line = trim(line);
				if (!line.empty() && !startsWith(line, '#')) {
					if (!startsWith(line, '"'))
						line = '"' + line + '"';
					config.testsOrTags.push_back(line + ',');
				}
			}
			return ParserResult::ok(ParseResultType::Matched);
		};
		auto const setTestOrder = [&](std::string const& order) {
			if (startsWith("declared", order))
				config.runOrder = RunTests::InDeclarationOrder;
			else if (startsWith("lexical", order))
				config.runOrder = RunTests::InLexicographicalOrder;
			else if (startsWith("random", order))
				config.runOrder = RunTests::InRandomOrder;
			else
				return clara::ParserResult::runtimeError("Unrecognised ordering: '" + order + "'");
			return ParserResult::ok(ParseResultType::Matched);
		};
		auto const setRngSeed = [&](std::string const& seed) {
			if (seed != "time")
				return clara::detail::convertInto(seed, config.rngSeed);
			config.rngSeed = static_cast<unsigned int>(std::time(nullptr));
			return ParserResult::ok(ParseResultType::Matched);
		};
		auto const setColourUsage = [&](std::string const& useColour) {
			auto mode = toLower(useColour);

			if (mode == "yes")
				config.useColour = UseColour::Yes;
			else if (mode == "no")
				config.useColour = UseColour::No;
			else if (mode == "auto")
				config.useColour = UseColour::Auto;
			else
				return ParserResult::runtimeError("colour mode must be one of: auto, yes or no. '" + useColour + "' not recognised");
			return ParserResult::ok(ParseResultType::Matched);
		};
		auto const setWaitForKeypress = [&](std::string const& keypress) {
			auto keypressLc = toLower(keypress);
			if (keypressLc == "start")
				config.waitForKeypress = WaitForKeypress::BeforeStart;
			else if (keypressLc == "exit")
				config.waitForKeypress = WaitForKeypress::BeforeExit;
			else if (keypressLc == "both")
				config.waitForKeypress = WaitForKeypress::BeforeStartAndExit;
			else
				return ParserResult::runtimeError("keypress argument must be one of: start, exit or both. '" + keypress + "' not recognised");
			return ParserResult::ok(ParseResultType::Matched);
		};
		auto const setVerbosity = [&](std::string const& verbosity) {
			auto lcVerbosity = toLower(verbosity);
			if (lcVerbosity == "quiet")
				config.verbosity = Verbosity::Quiet;
			else if (lcVerbosity == "normal")
				config.verbosity = Verbosity::Normal;
			else if (lcVerbosity == "high")
				config.verbosity = Verbosity::High;
			else
				return ParserResult::runtimeError("Unrecognised verbosity, '" + verbosity + "'");
			return ParserResult::ok(ParseResultType::Matched);
		};

		auto cli
			= ExeName(config.processName)
			| Help(config.showHelp)
			| Opt(config.listTests)
			["-l"]["--list-tests"]
			("list all/matching test cases")
			| Opt(config.listTags)
			["-t"]["--list-tags"]
			("list all/matching tags")
			| Opt(config.showSuccessfulTests)
			["-s"]["--success"]
			("include successful tests in output")
			| Opt(config.shouldDebugBreak)
			["-b"]["--break"]
			("break into debugger on failure")
			| Opt(config.noThrow)
			["-e"]["--nothrow"]
			("skip exception tests")
			| Opt(config.showInvisibles)
			["-i"]["--invisibles"]
			("show invisibles (tabs, newlines)")
			| Opt(config.outputFilename, "filename")
			["-o"]["--out"]
			("output filename")
			| Opt(config.reporterNames, "name")
			["-r"]["--reporter"]
			("reporter to use (defaults to console)")
			| Opt(config.name, "name")
			["-n"]["--name"]
			("suite name")
			| Opt([&](bool) { config.abortAfter = 1; })
			["-a"]["--abort"]
			("abort at first failure")
			| Opt([&](int x) { config.abortAfter = x; }, "no. failures")
			["-x"]["--abortx"]
			("abort after x failures")
			| Opt(setWarning, "warning name")
			["-w"]["--warn"]
			("enable warnings")
			| Opt([&](bool flag) { config.showDurations = flag ? ShowDurations::Always : ShowDurations::Never; }, "yes|no")
			["-d"]["--durations"]
			("show test durations")
			| Opt(loadTestNamesFromFile, "filename")
			["-f"]["--input-file"]
			("load test names to run from a file")
			| Opt(config.filenamesAsTags)
			["-#"]["--filenames-as-tags"]
			("adds a tag for the filename")
			| Opt(config.sectionsToRun, "section name")
			["-c"]["--section"]
			("specify section to run")
			| Opt(setVerbosity, "quiet|normal|high")
			["-v"]["--verbosity"]
			("set output verbosity")
			| Opt(config.listTestNamesOnly)
			["--list-test-names-only"]
		("list all/matching test cases names only")
			| Opt(config.listReporters)
			["--list-reporters"]
		("list all reporters")
			| Opt(setTestOrder, "decl|lex|rand")
			["--order"]
		("test case order (defaults to decl)")
			| Opt(setRngSeed, "'time'|number")
			["--rng-seed"]
		("set a specific seed for random numbers")
			| Opt(setColourUsage, "yes|no")
			["--use-colour"]
		("should output be colourised")
			| Opt(config.libIdentify)
			["--libidentify"]
		("report name and version according to libidentify standard")
			| Opt(setWaitForKeypress, "start|exit|both")
			["--wait-for-keypress"]
		("waits for a keypress before exiting")
			| Opt(config.benchmarkResolutionMultiple, "multiplier")
			["--benchmark-resolution-multiple"]
		("multiple of clock resolution to run benchmarks")

			| Arg(config.testsOrTags, "test name|pattern|tags")
			("which test or tests to use");

		return cli;
	}

} // end namespace Catch
  // end catch_commandline.cpp
  // start catch_common.cpp

#include <cstring>
#include <ostream>

namespace Catch {

	bool SourceLineInfo::empty() const noexcept {
		return file[0] == '\0';
	}
	bool SourceLineInfo::operator == (SourceLineInfo const& other) const noexcept {
		return line == other.line && (file == other.file || std::strcmp(file, other.file) == 0);
	}
	bool SourceLineInfo::operator < (SourceLineInfo const& other) const noexcept {
		return line < other.line || (line == other.line && (std::strcmp(file, other.file) < 0));
	}

	std::ostream& operator << (std::ostream& os, SourceLineInfo const& info) {
#ifndef __GNUG__
		os << info.file << '(' << info.line << ')';
#else
		os << info.file << ':' << info.line;
#endif
		return os;
	}

	std::string StreamEndStop::operator+() const {
		return std::string();
	}

	NonCopyable::NonCopyable() = default;
	NonCopyable::~NonCopyable() = default;

}
// end catch_common.cpp
// start catch_config.cpp

// start catch_enforce.h

#include <stdexcept>

#define CATCH_PREPARE_EXCEPTION( type, msg ) \
    type( ( Catch::ReusableStringStream() << msg ).str() )
#define CATCH_INTERNAL_ERROR( msg ) \
    throw CATCH_PREPARE_EXCEPTION( std::logic_error, CATCH_INTERNAL_LINEINFO << ": Internal Catch error: " << msg);
#define CATCH_ERROR( msg ) \
    throw CATCH_PREPARE_EXCEPTION( std::domain_error, msg )
#define CATCH_ENFORCE( condition, msg ) \
    do{ if( !(condition) ) CATCH_ERROR( msg ); } while(false)

// end catch_enforce.h
namespace Catch {

	Config::Config(ConfigData const& data)
		: m_data(data),
		m_stream(openStream())
	{
		TestSpecParser parser(ITagAliasRegistry::get());
		if (data.testsOrTags.empty()) {
			parser.parse("~[.]"); // All not hidden tests
		}
		else {
			m_hasTestFilters = true;
			for (auto const& testOrTags : data.testsOrTags)
				parser.parse(testOrTags);
		}
		m_testSpec = parser.testSpec();
	}

	std::string const& Config::getFilename() const {
		return m_data.outputFilename;
	}

	bool Config::listTests() const { return m_data.listTests; }
	bool Config::listTestNamesOnly() const { return m_data.listTestNamesOnly; }
	bool Config::listTags() const { return m_data.listTags; }
	bool Config::listReporters() const { return m_data.listReporters; }

	std::string Config::getProcessName() const { return m_data.processName; }

	std::vector<std::string> const& Config::getReporterNames() const { return m_data.reporterNames; }
	std::vector<std::string> const& Config::getTestsOrTags() const { return m_data.testsOrTags; }
	std::vector<std::string> const& Config::getSectionsToRun() const { return m_data.sectionsToRun; }

	TestSpec const& Config::testSpec() const { return m_testSpec; }
	bool Config::hasTestFilters() const { return m_hasTestFilters; }

	bool Config::showHelp() const { return m_data.showHelp; }

	// IConfig interface
	bool Config::allowThrows() const { return !m_data.noThrow; }
	std::ostream& Config::stream() const { return m_stream->stream(); }
	std::string Config::name() const { return m_data.name.empty() ? m_data.processName : m_data.name; }
	bool Config::includeSuccessfulResults() const { return m_data.showSuccessfulTests; }
	bool Config::warnAboutMissingAssertions() const { return !!(m_data.warnings & WarnAbout::NoAssertions); }
	bool Config::warnAboutNoTests() const { return !!(m_data.warnings & WarnAbout::NoTests); }
	ShowDurations::OrNot Config::showDurations() const { return m_data.showDurations; }
	RunTests::InWhatOrder Config::runOrder() const { return m_data.runOrder; }
	unsigned int Config::rngSeed() const { return m_data.rngSeed; }
	int Config::benchmarkResolutionMultiple() const { return m_data.benchmarkResolutionMultiple; }
	UseColour::YesOrNo Config::useColour() const { return m_data.useColour; }
	bool Config::shouldDebugBreak() const { return m_data.shouldDebugBreak; }
	int Config::abortAfter() const { return m_data.abortAfter; }
	bool Config::showInvisibles() const { return m_data.showInvisibles; }
	Verbosity Config::verbosity() const { return m_data.verbosity; }

	IStream const* Config::openStream() {
		return Catch::makeStream(m_data.outputFilename);
	}

} // end namespace Catch
  // end catch_config.cpp
  // start catch_console_colour.cpp

#if defined(__clang__)
#    pragma clang diagnostic push
#    pragma clang diagnostic ignored "-Wexit-time-destructors"
#endif

  // start catch_errno_guard.h

namespace Catch {

	class ErrnoGuard {
	public:
		ErrnoGuard();
		~ErrnoGuard();
	private:
		int m_oldErrno;
	};

}

// end catch_errno_guard.h
#include <sstream>

namespace Catch {
	namespace {

		struct IColourImpl {
			virtual ~IColourImpl() = default;
			virtual void use(Colour::Code _colourCode) = 0;
		};

		struct NoColourImpl : IColourImpl {
			void use(Colour::Code) {}

			static IColourImpl* instance() {
				static NoColourImpl s_instance;
				return &s_instance;
			}
		};

	} // anon namespace
} // namespace Catch

#if !defined( CATCH_CONFIG_COLOUR_NONE ) && !defined( CATCH_CONFIG_COLOUR_WINDOWS ) && !defined( CATCH_CONFIG_COLOUR_ANSI )
#   ifdef CATCH_PLATFORM_WINDOWS
#       define CATCH_CONFIG_COLOUR_WINDOWS
#   else
#       define CATCH_CONFIG_COLOUR_ANSI
#   endif
#endif

#if defined ( CATCH_CONFIG_COLOUR_WINDOWS ) /////////////////////////////////////////

namespace Catch {
	namespace {

		class Win32ColourImpl : public IColourImpl {
		public:
			Win32ColourImpl() : stdoutHandle(GetStdHandle(STD_OUTPUT_HANDLE))
			{
				CONSOLE_SCREEN_BUFFER_INFO csbiInfo;
				GetConsoleScreenBufferInfo(stdoutHandle, &csbiInfo);
				originalForegroundAttributes = csbiInfo.wAttributes & ~(BACKGROUND_GREEN | BACKGROUND_RED | BACKGROUND_BLUE | BACKGROUND_INTENSITY);
				originalBackgroundAttributes = csbiInfo.wAttributes & ~(FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_INTENSITY);
			}

			virtual void use(Colour::Code _colourCode) override {
				switch (_colourCode) {
				case Colour::None:      return setTextAttribute(originalForegroundAttributes);
				case Colour::White:     return setTextAttribute(FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_BLUE);
				case Colour::Red:       return setTextAttribute(FOREGROUND_RED);
				case Colour::Green:     return setTextAttribute(FOREGROUND_GREEN);
				case Colour::Blue:      return setTextAttribute(FOREGROUND_BLUE);
				case Colour::Cyan:      return setTextAttribute(FOREGROUND_BLUE | FOREGROUND_GREEN);
				case Colour::Yellow:    return setTextAttribute(FOREGROUND_RED | FOREGROUND_GREEN);
				case Colour::Grey:      return setTextAttribute(0);

				case Colour::LightGrey:     return setTextAttribute(FOREGROUND_INTENSITY);
				case Colour::BrightRed:     return setTextAttribute(FOREGROUND_INTENSITY | FOREGROUND_RED);
				case Colour::BrightGreen:   return setTextAttribute(FOREGROUND_INTENSITY | FOREGROUND_GREEN);
				case Colour::BrightWhite:   return setTextAttribute(FOREGROUND_INTENSITY | FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_BLUE);
				case Colour::BrightYellow:  return setTextAttribute(FOREGROUND_INTENSITY | FOREGROUND_RED | FOREGROUND_GREEN);

				case Colour::Bright: CATCH_INTERNAL_ERROR("not a colour");

				default:
					CATCH_ERROR("Unknown colour requested");
				}
			}

		private:
			void setTextAttribute(WORD _textAttribute) {
				SetConsoleTextAttribute(stdoutHandle, _textAttribute | originalBackgroundAttributes);
			}
			HANDLE stdoutHandle;
			WORD originalForegroundAttributes;
			WORD originalBackgroundAttributes;
		};

		IColourImpl* platformColourInstance() {
			static Win32ColourImpl s_instance;

			IConfigPtr config = getCurrentContext().getConfig();
			UseColour::YesOrNo colourMode = config
				? config->useColour()
				: UseColour::Auto;
			if (colourMode == UseColour::Auto)
				colourMode = UseColour::Yes;
			return colourMode == UseColour::Yes
				? &s_instance
				: NoColourImpl::instance();
		}

	} // end anon namespace
} // end namespace Catch

#elif defined( CATCH_CONFIG_COLOUR_ANSI ) //////////////////////////////////////

#include <unistd.h>

namespace Catch {
	namespace {

		// use POSIX/ ANSI console terminal codes
		// Thanks to Adam Strzelecki for original contribution
		// (http://github.com/nanoant)
		// https://github.com/philsquared/Catch/pull/131
		class PosixColourImpl : public IColourImpl {
		public:
			virtual void use(Colour::Code _colourCode) override {
				switch (_colourCode) {
				case Colour::None:
				case Colour::White:     return setColour("[0m");
				case Colour::Red:       return setColour("[0;31m");
				case Colour::Green:     return setColour("[0;32m");
				case Colour::Blue:      return setColour("[0;34m");
				case Colour::Cyan:      return setColour("[0;36m");
				case Colour::Yellow:    return setColour("[0;33m");
				case Colour::Grey:      return setColour("[1;30m");

				case Colour::LightGrey:     return setColour("[0;37m");
				case Colour::BrightRed:     return setColour("[1;31m");
				case Colour::BrightGreen:   return setColour("[1;32m");
				case Colour::BrightWhite:   return setColour("[1;37m");
				case Colour::BrightYellow:  return setColour("[1;33m");

				case Colour::Bright: CATCH_INTERNAL_ERROR("not a colour");
				default: CATCH_INTERNAL_ERROR("Unknown colour requested");
				}
			}
			static IColourImpl* instance() {
				static PosixColourImpl s_instance;
				return &s_instance;
			}

		private:
			void setColour(const char* _escapeCode) {
				Catch::cout() << '\033' << _escapeCode;
			}
		};

		bool useColourOnPlatform() {
			return
#ifdef CATCH_PLATFORM_MAC
				!isDebuggerActive() &&
#endif
#if !(defined(__DJGPP__) && defined(__STRICT_ANSI__))
				isatty(STDOUT_FILENO)
#else
				false
#endif
				;
		}
		IColourImpl* platformColourInstance() {
			ErrnoGuard guard;
			IConfigPtr config = getCurrentContext().getConfig();
			UseColour::YesOrNo colourMode = config
				? config->useColour()
				: UseColour::Auto;
			if (colourMode == UseColour::Auto)
				colourMode = useColourOnPlatform()
				? UseColour::Yes
				: UseColour::No;
			return colourMode == UseColour::Yes
				? PosixColourImpl::instance()
				: NoColourImpl::instance();
		}

	} // end anon namespace
} // end namespace Catch

#else  // not Windows or ANSI ///////////////////////////////////////////////

namespace Catch {

	static IColourImpl* platformColourInstance() { return NoColourImpl::instance(); }

} // end namespace Catch

#endif // Windows/ ANSI/ None

namespace Catch {

	Colour::Colour(Code _colourCode) { use(_colourCode); }
	Colour::Colour(Colour&& rhs) noexcept {
		m_moved = rhs.m_moved;
		rhs.m_moved = true;
	}
	Colour& Colour::operator=(Colour&& rhs) noexcept {
		m_moved = rhs.m_moved;
		rhs.m_moved = true;
		return *this;
	}

	Colour::~Colour() { if (!m_moved) use(None); }

	void Colour::use(Code _colourCode) {
		static IColourImpl* impl = platformColourInstance();
		impl->use(_colourCode);
	}

	std::ostream& operator << (std::ostream& os, Colour const&) {
		return os;
	}

} // end namespace Catch

#if defined(__clang__)
#    pragma clang diagnostic pop
#endif

  // end catch_console_colour.cpp
  // start catch_context.cpp

namespace Catch {

	class Context : public IMutableContext, NonCopyable {

	public: // IContext
		virtual IResultCapture* getResultCapture() override {
			return m_resultCapture;
		}
		virtual IRunner* getRunner() override {
			return m_runner;
		}

		virtual IConfigPtr const& getConfig() const override {
			return m_config;
		}

		virtual ~Context() override;

	public: // IMutableContext
		virtual void setResultCapture(IResultCapture* resultCapture) override {
			m_resultCapture = resultCapture;
		}
		virtual void setRunner(IRunner* runner) override {
			m_runner = runner;
		}
		virtual void setConfig(IConfigPtr const& config) override {
			m_config = config;
		}

		friend IMutableContext& getCurrentMutableContext();

	private:
		IConfigPtr m_config;
		IRunner* m_runner = nullptr;
		IResultCapture* m_resultCapture = nullptr;
	};

	IMutableContext *IMutableContext::currentContext = nullptr;

	void IMutableContext::createContext()
	{
		currentContext = new Context();
	}

	void cleanUpContext() {
		delete IMutableContext::currentContext;
		IMutableContext::currentContext = nullptr;
	}
	IContext::~IContext() = default;
	IMutableContext::~IMutableContext() = default;
	Context::~Context() = default;
}
// end catch_context.cpp
// start catch_debug_console.cpp

// start catch_debug_console.h

#include <string>

namespace Catch {
	void writeToDebugConsole(std::string const& text);
}

// end catch_debug_console.h
#ifdef CATCH_PLATFORM_WINDOWS

namespace Catch {
	void writeToDebugConsole(std::string const& text) {
		::OutputDebugStringA(text.c_str());
	}
}

#else

namespace Catch {
	void writeToDebugConsole(std::string const& text) {
		// !TBD: Need a version for Mac/ XCode and other IDEs
		Catch::cout() << text;
	}
}

#endif // Platform
// end catch_debug_console.cpp
// start catch_debugger.cpp

#ifdef CATCH_PLATFORM_MAC

#  include <assert.h>
#  include <stdbool.h>
#  include <sys/types.h>
#  include <unistd.h>
#  include <sys/sysctl.h>
#  include <cstddef>
#  include <ostream>

namespace Catch {

	// The following function is taken directly from the following technical note:
	// http://developer.apple.com/library/mac/#qa/qa2004/qa1361.html

	// Returns true if the current process is being debugged (either
	// running under the debugger or has a debugger attached post facto).
	bool isDebuggerActive() {

		int                 mib[4];
		struct kinfo_proc   info;
		std::size_t         size;

		// Initialize the flags so that, if sysctl fails for some bizarre
		// reason, we get a predictable result.

		info.kp_proc.p_flag = 0;

		// Initialize mib, which tells sysctl the info we want, in this case
		// we're looking for information about a specific process ID.

		mib[0] = CTL_KERN;
		mib[1] = KERN_PROC;
		mib[2] = KERN_PROC_PID;
		mib[3] = getpid();

		// Call sysctl.

		size = sizeof(info);
		if (sysctl(mib, sizeof(mib) / sizeof(*mib), &info, &size, nullptr, 0) != 0) {
			Catch::cerr() << "\n** Call to sysctl failed - unable to determine if debugger is active **\n" << std::endl;
			return false;
		}

		// We're being debugged if the P_TRACED flag is set.

		return ((info.kp_proc.p_flag & P_TRACED) != 0);
	}
} // namespace Catch

#elif defined(CATCH_PLATFORM_LINUX)
#include <fstream>
#include <string>

namespace Catch {
	// The standard POSIX way of detecting a debugger is to attempt to
	// ptrace() the process, but this needs to be done from a child and not
	// this process itself to still allow attaching to this process later
	// if wanted, so is rather heavy. Under Linux we have the PID of the
	// "debugger" (which doesn't need to be gdb, of course, it could also
	// be strace, for example) in /proc/$PID/status, so just get it from
	// there instead.
	bool isDebuggerActive() {
		// Libstdc++ has a bug, where std::ifstream sets errno to 0
		// This way our users can properly assert over errno values
		ErrnoGuard guard;
		std::ifstream in("/proc/self/status");
		for (std::string line; std::getline(in, line); ) {
			static const int PREFIX_LEN = 11;
			if (line.compare(0, PREFIX_LEN, "TracerPid:\t") == 0) {
				// We're traced if the PID is not 0 and no other PID starts
				// with 0 digit, so it's enough to check for just a single
				// character.
				return line.length() > PREFIX_LEN && line[PREFIX_LEN] != '0';
			}
		}

		return false;
	}
} // namespace Catch
#elif defined(_MSC_VER)
extern "C" __declspec(dllimport) int __stdcall IsDebuggerPresent();
namespace Catch {
	bool isDebuggerActive() {
		return IsDebuggerPresent() != 0;
	}
}
#elif defined(__MINGW32__)
extern "C" __declspec(dllimport) int __stdcall IsDebuggerPresent();
namespace Catch {
	bool isDebuggerActive() {
		return IsDebuggerPresent() != 0;
	}
}
#else
namespace Catch {
	bool isDebuggerActive() { return false; }
}
#endif // Platform
// end catch_debugger.cpp
// start catch_decomposer.cpp

namespace Catch {

	ITransientExpression::~ITransientExpression() = default;

	void formatReconstructedExpression(std::ostream &os, std::string const& lhs, StringRef op, std::string const& rhs) {
		if (lhs.size() + rhs.size() < 40 &&
			lhs.find('\n') == std::string::npos &&
			rhs.find('\n') == std::string::npos)
			os << lhs << " " << op << " " << rhs;
		else
			os << lhs << "\n" << op << "\n" << rhs;
	}
}
// end catch_decomposer.cpp
// start catch_errno_guard.cpp

#include <cerrno>

namespace Catch {
	ErrnoGuard::ErrnoGuard() :m_oldErrno(errno) {}
	ErrnoGuard::~ErrnoGuard() { errno = m_oldErrno; }
}
// end catch_errno_guard.cpp
// start catch_exception_translator_registry.cpp

// start catch_exception_translator_registry.h

#include <vector>
#include <string>
#include <memory>

namespace Catch {

	class ExceptionTranslatorRegistry : public IExceptionTranslatorRegistry {
	public:
		~ExceptionTranslatorRegistry();
		virtual void registerTranslator(const IExceptionTranslator* translator);
		virtual std::string translateActiveException() const override;
		std::string tryTranslators() const;

	private:
		std::vector<std::unique_ptr<IExceptionTranslator const>> m_translators;
	};
}

// end catch_exception_translator_registry.h
#ifdef __OBJC__
#import "Foundation/Foundation.h"
#endif

namespace Catch {

	ExceptionTranslatorRegistry::~ExceptionTranslatorRegistry() {
	}

	void ExceptionTranslatorRegistry::registerTranslator(const IExceptionTranslator* translator) {
		m_translators.push_back(std::unique_ptr<const IExceptionTranslator>(translator));
	}

	std::string ExceptionTranslatorRegistry::translateActiveException() const {
		try {
#ifdef __OBJC__
			// In Objective-C try objective-c exceptions first
			@try {
				return tryTranslators();
			}
			@catch (NSException *exception) {
				return Catch::Detail::stringify([exception description]);
			}
#else
			// Compiling a mixed mode project with MSVC means that CLR
			// exceptions will be caught in (...) as well. However, these
			// do not fill-in std::current_exception and thus lead to crash
			// when attempting rethrow.
			// /EHa switch also causes structured exceptions to be caught
			// here, but they fill-in current_exception properly, so
			// at worst the output should be a little weird, instead of
			// causing a crash.
			if (std::current_exception() == nullptr) {
				return "Non C++ exception. Possibly a CLR exception.";
			}
			return tryTranslators();
#endif
		}
		catch (TestFailureException&) {
			std::rethrow_exception(std::current_exception());
		}
		catch (std::exception& ex) {
			return ex.what();
		}
		catch (std::string& msg) {
			return msg;
		}
		catch (const char* msg) {
			return msg;
		}
		catch (...) {
			return "Unknown exception";
		}
	}

	std::string ExceptionTranslatorRegistry::tryTranslators() const {
		if (m_translators.empty())
			std::rethrow_exception(std::current_exception());
		else
			return m_translators[0]->translate(m_translators.begin() + 1, m_translators.end());
	}
}
// end catch_exception_translator_registry.cpp
// start catch_fatal_condition.cpp

#if defined(__GNUC__)
#    pragma GCC diagnostic push
#    pragma GCC diagnostic ignored "-Wmissing-field-initializers"
#endif

#if defined( CATCH_CONFIG_WINDOWS_SEH ) || defined( CATCH_CONFIG_POSIX_SIGNALS )

namespace {
	// Report the error condition
	void reportFatal(char const * const message) {
		Catch::getCurrentContext().getResultCapture()->handleFatalErrorCondition(message);
	}
}

#endif // signals/SEH handling

#if defined( CATCH_CONFIG_WINDOWS_SEH )

namespace Catch {
	struct SignalDefs { DWORD id; const char* name; };

	// There is no 1-1 mapping between signals and windows exceptions.
	// Windows can easily distinguish between SO and SigSegV,
	// but SigInt, SigTerm, etc are handled differently.
	static SignalDefs signalDefs[] = {
		{ EXCEPTION_ILLEGAL_INSTRUCTION,  "SIGILL - Illegal instruction signal" },
	{ EXCEPTION_STACK_OVERFLOW, "SIGSEGV - Stack overflow" },
	{ EXCEPTION_ACCESS_VIOLATION, "SIGSEGV - Segmentation violation signal" },
	{ EXCEPTION_INT_DIVIDE_BY_ZERO, "Divide by zero error" },
	};

	LONG CALLBACK FatalConditionHandler::handleVectoredException(PEXCEPTION_POINTERS ExceptionInfo) {
		for (auto const& def : signalDefs) {
			if (ExceptionInfo->ExceptionRecord->ExceptionCode == def.id) {
				reportFatal(def.name);
			}
		}
		// If its not an exception we care about, pass it along.
		// This stops us from eating debugger breaks etc.
		return EXCEPTION_CONTINUE_SEARCH;
	}

	FatalConditionHandler::FatalConditionHandler() {
		isSet = true;
		// 32k seems enough for Catch to handle stack overflow,
		// but the value was found experimentally, so there is no strong guarantee
		guaranteeSize = 32 * 1024;
		exceptionHandlerHandle = nullptr;
		// Register as first handler in current chain
		exceptionHandlerHandle = AddVectoredExceptionHandler(1, handleVectoredException);
		// Pass in guarantee size to be filled
		SetThreadStackGuarantee(&guaranteeSize);
	}

	void FatalConditionHandler::reset() {
		if (isSet) {
			RemoveVectoredExceptionHandler(exceptionHandlerHandle);
			SetThreadStackGuarantee(&guaranteeSize);
			exceptionHandlerHandle = nullptr;
			isSet = false;
		}
	}

	FatalConditionHandler::~FatalConditionHandler() {
		reset();
	}

	bool FatalConditionHandler::isSet = false;
	ULONG FatalConditionHandler::guaranteeSize = 0;
	PVOID FatalConditionHandler::exceptionHandlerHandle = nullptr;

} // namespace Catch

#elif defined( CATCH_CONFIG_POSIX_SIGNALS )

namespace Catch {

	struct SignalDefs {
		int id;
		const char* name;
	};
	static SignalDefs signalDefs[] = {
		{ SIGINT,  "SIGINT - Terminal interrupt signal" },
	{ SIGILL,  "SIGILL - Illegal instruction signal" },
	{ SIGFPE,  "SIGFPE - Floating point error signal" },
	{ SIGSEGV, "SIGSEGV - Segmentation violation signal" },
	{ SIGTERM, "SIGTERM - Termination request signal" },
	{ SIGABRT, "SIGABRT - Abort (abnormal termination) signal" }
	};

	void FatalConditionHandler::handleSignal(int sig) {
		char const * name = "<unknown signal>";
		for (auto const& def : signalDefs) {
			if (sig == def.id) {
				name = def.name;
				break;
			}
		}
		reset();
		reportFatal(name);
		raise(sig);
	}

	FatalConditionHandler::FatalConditionHandler() {
		isSet = true;
		stack_t sigStack;
		sigStack.ss_sp = altStackMem;
		sigStack.ss_size = SIGSTKSZ;
		sigStack.ss_flags = 0;
		sigaltstack(&sigStack, &oldSigStack);
		struct sigaction sa = {};

		sa.sa_handler = handleSignal;
		sa.sa_flags = SA_ONSTACK;
		for (std::size_t i = 0; i < sizeof(signalDefs) / sizeof(SignalDefs); ++i) {
			sigaction(signalDefs[i].id, &sa, &oldSigActions[i]);
		}
	}

	FatalConditionHandler::~FatalConditionHandler() {
		reset();
	}

	void FatalConditionHandler::reset() {
		if (isSet) {
			// Set signals back to previous values -- hopefully nobody overwrote them in the meantime
			for (std::size_t i = 0; i < sizeof(signalDefs) / sizeof(SignalDefs); ++i) {
				sigaction(signalDefs[i].id, &oldSigActions[i], nullptr);
			}
			// Return the old stack
			sigaltstack(&oldSigStack, nullptr);
			isSet = false;
		}
	}

	bool FatalConditionHandler::isSet = false;
	struct sigaction FatalConditionHandler::oldSigActions[sizeof(signalDefs) / sizeof(SignalDefs)] = {};
	stack_t FatalConditionHandler::oldSigStack = {};
	char FatalConditionHandler::altStackMem[SIGSTKSZ] = {};

} // namespace Catch

#else

namespace Catch {
	void FatalConditionHandler::reset() {}
}

#endif // signals/SEH handling

#if defined(__GNUC__)
#    pragma GCC diagnostic pop
#endif
// end catch_fatal_condition.cpp
// start catch_interfaces_capture.cpp

namespace Catch {
	IResultCapture::~IResultCapture() = default;
}
// end catch_interfaces_capture.cpp
// start catch_interfaces_config.cpp

namespace Catch {
	IConfig::~IConfig() = default;
}
// end catch_interfaces_config.cpp
// start catch_interfaces_exception.cpp

namespace Catch {
	IExceptionTranslator::~IExceptionTranslator() = default;
	IExceptionTranslatorRegistry::~IExceptionTranslatorRegistry() = default;
}
// end catch_interfaces_exception.cpp
// start catch_interfaces_registry_hub.cpp

namespace Catch {
	IRegistryHub::~IRegistryHub() = default;
	IMutableRegistryHub::~IMutableRegistryHub() = default;
}
// end catch_interfaces_registry_hub.cpp
// start catch_interfaces_reporter.cpp

// start catch_reporter_multi.h

namespace Catch {

	class MultipleReporters : public IStreamingReporter {
		using Reporters = std::vector<IStreamingReporterPtr>;
		Reporters m_reporters;

	public:
		void add(IStreamingReporterPtr&& reporter);

	public: // IStreamingReporter

		ReporterPreferences getPreferences() const override;

		void noMatchingTestCases(std::string const& spec) override;

		static std::set<Verbosity> getSupportedVerbosities();

		void benchmarkStarting(BenchmarkInfo const& benchmarkInfo) override;
		void benchmarkEnded(BenchmarkStats const& benchmarkStats) override;

		void testRunStarting(TestRunInfo const& testRunInfo) override;
		void testGroupStarting(GroupInfo const& groupInfo) override;
		void testCaseStarting(TestCaseInfo const& testInfo) override;
		void sectionStarting(SectionInfo const& sectionInfo) override;
		void assertionStarting(AssertionInfo const& assertionInfo) override;

		// The return value indicates if the messages buffer should be cleared:
		bool assertionEnded(AssertionStats const& assertionStats) override;
		void sectionEnded(SectionStats const& sectionStats) override;
		void testCaseEnded(TestCaseStats const& testCaseStats) override;
		void testGroupEnded(TestGroupStats const& testGroupStats) override;
		void testRunEnded(TestRunStats const& testRunStats) override;

		void skipTest(TestCaseInfo const& testInfo) override;
		bool isMulti() const override;

	};

} // end namespace Catch

  // end catch_reporter_multi.h
namespace Catch {

	ReporterConfig::ReporterConfig(IConfigPtr const& _fullConfig)
		: m_stream(&_fullConfig->stream()), m_fullConfig(_fullConfig) {}

	ReporterConfig::ReporterConfig(IConfigPtr const& _fullConfig, std::ostream& _stream)
		: m_stream(&_stream), m_fullConfig(_fullConfig) {}

	std::ostream& ReporterConfig::stream() const { return *m_stream; }
	IConfigPtr ReporterConfig::fullConfig() const { return m_fullConfig; }

	TestRunInfo::TestRunInfo(std::string const& _name) : name(_name) {}

	GroupInfo::GroupInfo(std::string const& _name,
		std::size_t _groupIndex,
		std::size_t _groupsCount)
		: name(_name),
		groupIndex(_groupIndex),
		groupsCounts(_groupsCount)
	{}

	AssertionStats::AssertionStats(AssertionResult const& _assertionResult,
		std::vector<MessageInfo> const& _infoMessages,
		Totals const& _totals)
		: assertionResult(_assertionResult),
		infoMessages(_infoMessages),
		totals(_totals)
	{
		assertionResult.m_resultData.lazyExpression.m_transientExpression = _assertionResult.m_resultData.lazyExpression.m_transientExpression;

		if (assertionResult.hasMessage()) {
			// Copy message into messages list.
			// !TBD This should have been done earlier, somewhere
			MessageBuilder builder(assertionResult.getTestMacroName(), assertionResult.getSourceInfo(), assertionResult.getResultType());
			builder << assertionResult.getMessage();
			builder.m_info.message = builder.m_stream.str();

			infoMessages.push_back(builder.m_info);
		}
	}

	AssertionStats::~AssertionStats() = default;

	SectionStats::SectionStats(SectionInfo const& _sectionInfo,
		Counts const& _assertions,
		double _durationInSeconds,
		bool _missingAssertions)
		: sectionInfo(_sectionInfo),
		assertions(_assertions),
		durationInSeconds(_durationInSeconds),
		missingAssertions(_missingAssertions)
	{}

	SectionStats::~SectionStats() = default;

	TestCaseStats::TestCaseStats(TestCaseInfo const& _testInfo,
		Totals const& _totals,
		std::string const& _stdOut,
		std::string const& _stdErr,
		bool _aborting)
		: testInfo(_testInfo),
		totals(_totals),
		stdOut(_stdOut),
		stdErr(_stdErr),
		aborting(_aborting)
	{}

	TestCaseStats::~TestCaseStats() = default;

	TestGroupStats::TestGroupStats(GroupInfo const& _groupInfo,
		Totals const& _totals,
		bool _aborting)
		: groupInfo(_groupInfo),
		totals(_totals),
		aborting(_aborting)
	{}

	TestGroupStats::TestGroupStats(GroupInfo const& _groupInfo)
		: groupInfo(_groupInfo),
		aborting(false)
	{}

	TestGroupStats::~TestGroupStats() = default;

	TestRunStats::TestRunStats(TestRunInfo const& _runInfo,
		Totals const& _totals,
		bool _aborting)
		: runInfo(_runInfo),
		totals(_totals),
		aborting(_aborting)
	{}

	TestRunStats::~TestRunStats() = default;

	void IStreamingReporter::fatalErrorEncountered(StringRef) {}
	bool IStreamingReporter::isMulti() const { return false; }

	IReporterFactory::~IReporterFactory() = default;
	IReporterRegistry::~IReporterRegistry() = default;

	void addReporter(IStreamingReporterPtr& existingReporter, IStreamingReporterPtr&& additionalReporter) {

		if (!existingReporter) {
			existingReporter = std::move(additionalReporter);
			return;
		}

		MultipleReporters* multi = nullptr;

		if (existingReporter->isMulti()) {
			multi = static_cast<MultipleReporters*>(existingReporter.get());
		}
		else {
			auto newMulti = std::unique_ptr<MultipleReporters>(new MultipleReporters);
			newMulti->add(std::move(existingReporter));
			multi = newMulti.get();
			existingReporter = std::move(newMulti);
		}
		multi->add(std::move(additionalReporter));
	}

} // end namespace Catch
  // end catch_interfaces_reporter.cpp
  // start catch_interfaces_runner.cpp

namespace Catch {
	IRunner::~IRunner() = default;
}
// end catch_interfaces_runner.cpp
// start catch_interfaces_testcase.cpp

namespace Catch {
	ITestInvoker::~ITestInvoker() = default;
	ITestCaseRegistry::~ITestCaseRegistry() = default;
}
// end catch_interfaces_testcase.cpp
// start catch_leak_detector.cpp

#ifdef CATCH_CONFIG_WINDOWS_CRTDBG
#include <crtdbg.h>

namespace Catch {

	LeakDetector::LeakDetector() {
		int flag = _CrtSetDbgFlag(_CRTDBG_REPORT_FLAG);
		flag |= _CRTDBG_LEAK_CHECK_DF;
		flag |= _CRTDBG_ALLOC_MEM_DF;
		_CrtSetDbgFlag(flag);
		_CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG);
		_CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR);
		// Change this to leaking allocation's number to break there
		_CrtSetBreakAlloc(-1);
	}
}

#else

Catch::LeakDetector::LeakDetector() {}

#endif
// end catch_leak_detector.cpp
// start catch_list.cpp

// start catch_list.h

#include <set>

namespace Catch {

	std::size_t listTests(Config const& config);

	std::size_t listTestsNamesOnly(Config const& config);

	struct TagInfo {
		void add(std::string const& spelling);
		std::string all() const;

		std::set<std::string> spellings;
		std::size_t count = 0;
	};

	std::size_t listTags(Config const& config);

	std::size_t listReporters(Config const& /*config*/);

	Option<std::size_t> list(Config const& config);

} // end namespace Catch

  // end catch_list.h
  // start catch_text.h

namespace Catch {
	using namespace clara::TextFlow;
}

// end catch_text.h
#include <limits>
#include <algorithm>
#include <iomanip>

namespace Catch {

	std::size_t listTests(Config const& config) {
		TestSpec testSpec = config.testSpec();
		if (config.hasTestFilters())
			Catch::cout() << "Matching test cases:\n";
		else {
			Catch::cout() << "All available test cases:\n";
		}

		auto matchedTestCases = filterTests(getAllTestCasesSorted(config), testSpec, config);
		for (auto const& testCaseInfo : matchedTestCases) {
			Colour::Code colour = testCaseInfo.isHidden()
				? Colour::SecondaryText
				: Colour::None;
			Colour colourGuard(colour);

			Catch::cout() << Column(testCaseInfo.name).initialIndent(2).indent(4) << "\n";
			if (config.verbosity() >= Verbosity::High) {
				Catch::cout() << Column(Catch::Detail::stringify(testCaseInfo.lineInfo)).indent(4) << std::endl;
				std::string description = testCaseInfo.description;
				if (description.empty())
					description = "(NO DESCRIPTION)";
				Catch::cout() << Column(description).indent(4) << std::endl;
			}
			if (!testCaseInfo.tags.empty())
				Catch::cout() << Column(testCaseInfo.tagsAsString()).indent(6) << "\n";
		}

		if (!config.hasTestFilters())
			Catch::cout() << pluralise(matchedTestCases.size(), "test case") << '\n' << std::endl;
		else
			Catch::cout() << pluralise(matchedTestCases.size(), "matching test case") << '\n' << std::endl;
		return matchedTestCases.size();
	}

	std::size_t listTestsNamesOnly(Config const& config) {
		TestSpec testSpec = config.testSpec();
		std::size_t matchedTests = 0;
		std::vector<TestCase> matchedTestCases = filterTests(getAllTestCasesSorted(config), testSpec, config);
		for (auto const& testCaseInfo : matchedTestCases) {
			matchedTests++;
			if (startsWith(testCaseInfo.name, '#'))
				Catch::cout() << '"' << testCaseInfo.name << '"';
			else
				Catch::cout() << testCaseInfo.name;
			if (config.verbosity() >= Verbosity::High)
				Catch::cout() << "\t@" << testCaseInfo.lineInfo;
			Catch::cout() << std::endl;
		}
		return matchedTests;
	}

	void TagInfo::add(std::string const& spelling) {
		++count;
		spellings.insert(spelling);
	}

	std::string TagInfo::all() const {
		std::string out;
		for (auto const& spelling : spellings)
			out += "[" + spelling + "]";
		return out;
	}

	std::size_t listTags(Config const& config) {
		TestSpec testSpec = config.testSpec();
		if (config.hasTestFilters())
			Catch::cout() << "Tags for matching test cases:\n";
		else {
			Catch::cout() << "All available tags:\n";
		}

		std::map<std::string, TagInfo> tagCounts;

		std::vector<TestCase> matchedTestCases = filterTests(getAllTestCasesSorted(config), testSpec, config);
		for (auto const& testCase : matchedTestCases) {
			for (auto const& tagName : testCase.getTestCaseInfo().tags) {
				std::string lcaseTagName = toLower(tagName);
				auto countIt = tagCounts.find(lcaseTagName);
				if (countIt == tagCounts.end())
					countIt = tagCounts.insert(std::make_pair(lcaseTagName, TagInfo())).first;
				countIt->second.add(tagName);
			}
		}

		for (auto const& tagCount : tagCounts) {
			ReusableStringStream rss;
			rss << "  " << std::setw(2) << tagCount.second.count << "  ";
			auto str = rss.str();
			auto wrapper = Column(tagCount.second.all())
				.initialIndent(0)
				.indent(str.size())
				.width(CATCH_CONFIG_CONSOLE_WIDTH - 10);
			Catch::cout() << str << wrapper << '\n';
		}
		Catch::cout() << pluralise(tagCounts.size(), "tag") << '\n' << std::endl;
		return tagCounts.size();
	}

	std::size_t listReporters(Config const& /*config*/) {
		Catch::cout() << "Available reporters:\n";
		IReporterRegistry::FactoryMap const& factories = getRegistryHub().getReporterRegistry().getFactories();
		std::size_t maxNameLen = 0;
		for (auto const& factoryKvp : factories)
			maxNameLen = (std::max)(maxNameLen, factoryKvp.first.size());

		for (auto const& factoryKvp : factories) {
			Catch::cout()
				<< Column(factoryKvp.first + ":")
				.indent(2)
				.width(5 + maxNameLen)
				+ Column(factoryKvp.second->getDescription())
				.initialIndent(0)
				.indent(2)
				.width(CATCH_CONFIG_CONSOLE_WIDTH - maxNameLen - 8)
				<< "\n";
		}
		Catch::cout() << std::endl;
		return factories.size();
	}

	Option<std::size_t> list(Config const& config) {
		Option<std::size_t> listedCount;
		if (config.listTests())
			listedCount = listedCount.valueOr(0) + listTests(config);
		if (config.listTestNamesOnly())
			listedCount = listedCount.valueOr(0) + listTestsNamesOnly(config);
		if (config.listTags())
			listedCount = listedCount.valueOr(0) + listTags(config);
		if (config.listReporters())
			listedCount = listedCount.valueOr(0) + listReporters(config);
		return listedCount;
	}

} // end namespace Catch
  // end catch_list.cpp
  // start catch_matchers.cpp

namespace Catch {
	namespace Matchers {
		namespace Impl {

			std::string MatcherUntypedBase::toString() const {
				if (m_cachedToString.empty())
					m_cachedToString = describe();
				return m_cachedToString;
			}

			MatcherUntypedBase::~MatcherUntypedBase() = default;

		} // namespace Impl
	} // namespace Matchers

	using namespace Matchers;
	using Matchers::Impl::MatcherBase;

} // namespace Catch
  // end catch_matchers.cpp
  // start catch_matchers_floating.cpp

#include <cstdlib>
#include <cstdint>
#include <cstring>
#include <stdexcept>

namespace Catch {
	namespace Matchers {
		namespace Floating {
			enum class FloatingPointKind : uint8_t {
				Float,
				Double
			};
		}
	}
}

namespace {

	template <typename T>
	struct Converter;

	template <>
	struct Converter<float> {
		static_assert(sizeof(float) == sizeof(int32_t), "Important ULP matcher assumption violated");
		Converter(float f) {
			std::memcpy(&i, &f, sizeof(f));
		}
		int32_t i;
	};

	template <>
	struct Converter<double> {
		static_assert(sizeof(double) == sizeof(int64_t), "Important ULP matcher assumption violated");
		Converter(double d) {
			std::memcpy(&i, &d, sizeof(d));
		}
		int64_t i;
	};

	template <typename T>
	auto convert(T t) -> Converter<T> {
		return Converter<T>(t);
	}

	template <typename FP>
	bool almostEqualUlps(FP lhs, FP rhs, int maxUlpDiff) {
		// Comparison with NaN should always be false.
		// This way we can rule it out before getting into the ugly details
		if (std::isnan(lhs) || std::isnan(rhs)) {
			return false;
		}

		auto lc = convert(lhs);
		auto rc = convert(rhs);

		if ((lc.i < 0) != (rc.i < 0)) {
			// Potentially we can have +0 and -0
			return lhs == rhs;
		}

		auto ulpDiff = std::abs(lc.i - rc.i);
		return ulpDiff <= maxUlpDiff;
	}

}

namespace Catch {
	namespace Matchers {
		namespace Floating {
			WithinAbsMatcher::WithinAbsMatcher(double target, double margin)
				:m_target{ target }, m_margin{ margin } {
				if (m_margin < 0) {
					throw std::domain_error("Allowed margin difference has to be >= 0");
				}
			}

			// Performs equivalent check of std::fabs(lhs - rhs) <= margin
			// But without the subtraction to allow for INFINITY in comparison
			bool WithinAbsMatcher::match(double const& matchee) const {
				return (matchee + m_margin >= m_target) && (m_target + m_margin >= matchee);
			}

			std::string WithinAbsMatcher::describe() const {
				return "is within " + ::Catch::Detail::stringify(m_margin) + " of " + ::Catch::Detail::stringify(m_target);
			}

			WithinUlpsMatcher::WithinUlpsMatcher(double target, int ulps, FloatingPointKind baseType)
				:m_target{ target }, m_ulps{ ulps }, m_type{ baseType } {
				if (m_ulps < 0) {
					throw std::domain_error("Allowed ulp difference has to be >= 0");
				}
			}

			bool WithinUlpsMatcher::match(double const& matchee) const {
				switch (m_type) {
				case FloatingPointKind::Float:
					return almostEqualUlps<float>(static_cast<float>(matchee), static_cast<float>(m_target), m_ulps);
				case FloatingPointKind::Double:
					return almostEqualUlps<double>(matchee, m_target, m_ulps);
				default:
					throw std::domain_error("Unknown FloatingPointKind value");
				}
			}

			std::string WithinUlpsMatcher::describe() const {
				return "is within " + std::to_string(m_ulps) + " ULPs of " + ::Catch::Detail::stringify(m_target) + ((m_type == FloatingPointKind::Float) ? "f" : "");
			}

		}// namespace Floating

		Floating::WithinUlpsMatcher WithinULP(double target, int maxUlpDiff) {
			return Floating::WithinUlpsMatcher(target, maxUlpDiff, Floating::FloatingPointKind::Double);
		}

		Floating::WithinUlpsMatcher WithinULP(float target, int maxUlpDiff) {
			return Floating::WithinUlpsMatcher(target, maxUlpDiff, Floating::FloatingPointKind::Float);
		}

		Floating::WithinAbsMatcher WithinAbs(double target, double margin) {
			return Floating::WithinAbsMatcher(target, margin);
		}

	} // namespace Matchers
} // namespace Catch

  // end catch_matchers_floating.cpp
  // start catch_matchers_generic.cpp

std::string Catch::Matchers::Generic::Detail::finalizeDescription(const std::string& desc) {
	if (desc.empty()) {
		return "matches undescribed predicate";
	}
	else {
		return "matches predicate: \"" + desc + '"';
	}
}
// end catch_matchers_generic.cpp
// start catch_matchers_string.cpp

#include <regex>

namespace Catch {
	namespace Matchers {

		namespace StdString {

			CasedString::CasedString(std::string const& str, CaseSensitive::Choice caseSensitivity)
				: m_caseSensitivity(caseSensitivity),
				m_str(adjustString(str))
			{}
			std::string CasedString::adjustString(std::string const& str) const {
				return m_caseSensitivity == CaseSensitive::No
					? toLower(str)
					: str;
			}
			std::string CasedString::caseSensitivitySuffix() const {
				return m_caseSensitivity == CaseSensitive::No
					? " (case insensitive)"
					: std::string();
			}

			StringMatcherBase::StringMatcherBase(std::string const& operation, CasedString const& comparator)
				: m_comparator(comparator),
				m_operation(operation) {
			}

			std::string StringMatcherBase::describe() const {
				std::string description;
				description.reserve(5 + m_operation.size() + m_comparator.m_str.size() +
					m_comparator.caseSensitivitySuffix().size());
				description += m_operation;
				description += ": \"";
				description += m_comparator.m_str;
				description += "\"";
				description += m_comparator.caseSensitivitySuffix();
				return description;
			}

			EqualsMatcher::EqualsMatcher(CasedString const& comparator) : StringMatcherBase("equals", comparator) {}

			bool EqualsMatcher::match(std::string const& source) const {
				return m_comparator.adjustString(source) == m_comparator.m_str;
			}

			ContainsMatcher::ContainsMatcher(CasedString const& comparator) : StringMatcherBase("contains", comparator) {}

			bool ContainsMatcher::match(std::string const& source) const {
				return contains(m_comparator.adjustString(source), m_comparator.m_str);
			}

			StartsWithMatcher::StartsWithMatcher(CasedString const& comparator) : StringMatcherBase("starts with", comparator) {}

			bool StartsWithMatcher::match(std::string const& source) const {
				return startsWith(m_comparator.adjustString(source), m_comparator.m_str);
			}

			EndsWithMatcher::EndsWithMatcher(CasedString const& comparator) : StringMatcherBase("ends with", comparator) {}

			bool EndsWithMatcher::match(std::string const& source) const {
				return endsWith(m_comparator.adjustString(source), m_comparator.m_str);
			}

			RegexMatcher::RegexMatcher(std::string regex, CaseSensitive::Choice caseSensitivity) : m_regex(std::move(regex)), m_caseSensitivity(caseSensitivity) {}

			bool RegexMatcher::match(std::string const& matchee) const {
				auto flags = std::regex::ECMAScript; // ECMAScript is the default syntax option anyway
				if (m_caseSensitivity == CaseSensitive::Choice::No) {
					flags |= std::regex::icase;
				}
				auto reg = std::regex(m_regex, flags);
				return std::regex_match(matchee, reg);
			}

			std::string RegexMatcher::describe() const {
				return "matches " + ::Catch::Detail::stringify(m_regex) + ((m_caseSensitivity == CaseSensitive::Choice::Yes) ? " case sensitively" : " case insensitively");
			}

		} // namespace StdString

		StdString::EqualsMatcher Equals(std::string const& str, CaseSensitive::Choice caseSensitivity) {
			return StdString::EqualsMatcher(StdString::CasedString(str, caseSensitivity));
		}
		StdString::ContainsMatcher Contains(std::string const& str, CaseSensitive::Choice caseSensitivity) {
			return StdString::ContainsMatcher(StdString::CasedString(str, caseSensitivity));
		}
		StdString::EndsWithMatcher EndsWith(std::string const& str, CaseSensitive::Choice caseSensitivity) {
			return StdString::EndsWithMatcher(StdString::CasedString(str, caseSensitivity));
		}
		StdString::StartsWithMatcher StartsWith(std::string const& str, CaseSensitive::Choice caseSensitivity) {
			return StdString::StartsWithMatcher(StdString::CasedString(str, caseSensitivity));
		}

		StdString::RegexMatcher Matches(std::string const& regex, CaseSensitive::Choice caseSensitivity) {
			return StdString::RegexMatcher(regex, caseSensitivity);
		}

	} // namespace Matchers
} // namespace Catch
  // end catch_matchers_string.cpp
  // start catch_message.cpp

  // start catch_uncaught_exceptions.h

namespace Catch {
	bool uncaught_exceptions();
} // end namespace Catch

  // end catch_uncaught_exceptions.h
namespace Catch {

	MessageInfo::MessageInfo(std::string const& _macroName,
		SourceLineInfo const& _lineInfo,
		ResultWas::OfType _type)
		: macroName(_macroName),
		lineInfo(_lineInfo),
		type(_type),
		sequence(++globalCount)
	{}

	bool MessageInfo::operator==(MessageInfo const& other) const {
		return sequence == other.sequence;
	}

	bool MessageInfo::operator<(MessageInfo const& other) const {
		return sequence < other.sequence;
	}

	// This may need protecting if threading support is added
	unsigned int MessageInfo::globalCount = 0;

	////////////////////////////////////////////////////////////////////////////

	Catch::MessageBuilder::MessageBuilder(std::string const& macroName,
		SourceLineInfo const& lineInfo,
		ResultWas::OfType type)
		:m_info(macroName, lineInfo, type) {}

	////////////////////////////////////////////////////////////////////////////

	ScopedMessage::ScopedMessage(MessageBuilder const& builder)
		: m_info(builder.m_info)
	{
		m_info.message = builder.m_stream.str();
		getResultCapture().pushScopedMessage(m_info);
	}

	ScopedMessage::~ScopedMessage() {
		if (!uncaught_exceptions()) {
			getResultCapture().popScopedMessage(m_info);
		}
	}
} // end namespace Catch
  // end catch_message.cpp
  // start catch_random_number_generator.cpp

  // start catch_random_number_generator.h

#include <algorithm>

namespace Catch {

	struct IConfig;

	void seedRng(IConfig const& config);

	unsigned int rngSeed();

	struct RandomNumberGenerator {
		using result_type = unsigned int;

		static constexpr result_type(min)() { return 0; }
		static constexpr result_type(max)() { return 1000000; }

		result_type operator()(result_type n) const;
		result_type operator()() const;

		template<typename V>
		static void shuffle(V& vector) {
			RandomNumberGenerator rng;
			std::shuffle(vector.begin(), vector.end(), rng);
		}
	};

}

// end catch_random_number_generator.h
#include <cstdlib>

namespace Catch {

	void seedRng(IConfig const& config) {
		if (config.rngSeed() != 0)
			std::srand(config.rngSeed());
	}
	unsigned int rngSeed() {
		return getCurrentContext().getConfig()->rngSeed();
	}

	RandomNumberGenerator::result_type RandomNumberGenerator::operator()(result_type n) const {
		return std::rand() % n;
	}
	RandomNumberGenerator::result_type RandomNumberGenerator::operator()() const {
		return std::rand() % (max)();
	}

}
// end catch_random_number_generator.cpp
// start catch_registry_hub.cpp

// start catch_test_case_registry_impl.h

#include <vector>
#include <set>
#include <algorithm>
#include <ios>

namespace Catch {

	class TestCase;
	struct IConfig;

	std::vector<TestCase> sortTests(IConfig const& config, std::vector<TestCase> const& unsortedTestCases);
	bool matchTest(TestCase const& testCase, TestSpec const& testSpec, IConfig const& config);

	void enforceNoDuplicateTestCases(std::vector<TestCase> const& functions);

	std::vector<TestCase> filterTests(std::vector<TestCase> const& testCases, TestSpec const& testSpec, IConfig const& config);
	std::vector<TestCase> const& getAllTestCasesSorted(IConfig const& config);

	class TestRegistry : public ITestCaseRegistry {
	public:
		virtual ~TestRegistry() = default;

		virtual void registerTest(TestCase const& testCase);

		std::vector<TestCase> const& getAllTests() const override;
		std::vector<TestCase> const& getAllTestsSorted(IConfig const& config) const override;

	private:
		std::vector<TestCase> m_functions;
		mutable RunTests::InWhatOrder m_currentSortOrder = RunTests::InDeclarationOrder;
		mutable std::vector<TestCase> m_sortedFunctions;
		std::size_t m_unnamedCount = 0;
		std::ios_base::Init m_ostreamInit; // Forces cout/ cerr to be initialised
	};

	///////////////////////////////////////////////////////////////////////////

	class TestInvokerAsFunction : public ITestInvoker {
		void(*m_testAsFunction)();
	public:
		TestInvokerAsFunction(void(*testAsFunction)()) noexcept;

		void invoke() const override;
	};

	std::string extractClassName(StringRef const& classOrQualifiedMethodName);

	///////////////////////////////////////////////////////////////////////////

} // end namespace Catch

  // end catch_test_case_registry_impl.h
  // start catch_reporter_registry.h

#include <map>

namespace Catch {

	class ReporterRegistry : public IReporterRegistry {

	public:

		~ReporterRegistry() override;

		IStreamingReporterPtr create(std::string const& name, IConfigPtr const& config) const override;

		void registerReporter(std::string const& name, IReporterFactoryPtr const& factory);
		void registerListener(IReporterFactoryPtr const& factory);

		FactoryMap const& getFactories() const override;
		Listeners const& getListeners() const override;

	private:
		FactoryMap m_factories;
		Listeners m_listeners;
	};
}

// end catch_reporter_registry.h
// start catch_tag_alias_registry.h

// start catch_tag_alias.h

#include <string>

namespace Catch {

	struct TagAlias {
		TagAlias(std::string const& _tag, SourceLineInfo _lineInfo);

		std::string tag;
		SourceLineInfo lineInfo;
	};

} // end namespace Catch

  // end catch_tag_alias.h
#include <map>

namespace Catch {

	class TagAliasRegistry : public ITagAliasRegistry {
	public:
		~TagAliasRegistry() override;
		TagAlias const* find(std::string const& alias) const override;
		std::string expandAliases(std::string const& unexpandedTestSpec) const override;
		void add(std::string const& alias, std::string const& tag, SourceLineInfo const& lineInfo);

	private:
		std::map<std::string, TagAlias> m_registry;
	};

} // end namespace Catch

  // end catch_tag_alias_registry.h
  // start catch_startup_exception_registry.h

#include <vector>
#include <exception>

namespace Catch {

	class StartupExceptionRegistry {
	public:
		void add(std::exception_ptr const& exception) noexcept;
		std::vector<std::exception_ptr> const& getExceptions() const noexcept;
	private:
		std::vector<std::exception_ptr> m_exceptions;
	};

} // end namespace Catch

  // end catch_startup_exception_registry.h
namespace Catch {

	namespace {

		class RegistryHub : public IRegistryHub, public IMutableRegistryHub,
			private NonCopyable {

		public: // IRegistryHub
			RegistryHub() = default;
			IReporterRegistry const& getReporterRegistry() const override {
				return m_reporterRegistry;
			}
			ITestCaseRegistry const& getTestCaseRegistry() const override {
				return m_testCaseRegistry;
			}
			IExceptionTranslatorRegistry& getExceptionTranslatorRegistry() override {
				return m_exceptionTranslatorRegistry;
			}
			ITagAliasRegistry const& getTagAliasRegistry() const override {
				return m_tagAliasRegistry;
			}
			StartupExceptionRegistry const& getStartupExceptionRegistry() const override {
				return m_exceptionRegistry;
			}

		public: // IMutableRegistryHub
			void registerReporter(std::string const& name, IReporterFactoryPtr const& factory) override {
				m_reporterRegistry.registerReporter(name, factory);
			}
			void registerListener(IReporterFactoryPtr const& factory) override {
				m_reporterRegistry.registerListener(factory);
			}
			void registerTest(TestCase const& testInfo) override {
				m_testCaseRegistry.registerTest(testInfo);
			}
			void registerTranslator(const IExceptionTranslator* translator) override {
				m_exceptionTranslatorRegistry.registerTranslator(translator);
			}
			void registerTagAlias(std::string const& alias, std::string const& tag, SourceLineInfo const& lineInfo) override {
				m_tagAliasRegistry.add(alias, tag, lineInfo);
			}
			void registerStartupException() noexcept override {
				m_exceptionRegistry.add(std::current_exception());
			}

		private:
			TestRegistry m_testCaseRegistry;
			ReporterRegistry m_reporterRegistry;
			ExceptionTranslatorRegistry m_exceptionTranslatorRegistry;
			TagAliasRegistry m_tagAliasRegistry;
			StartupExceptionRegistry m_exceptionRegistry;
		};

		// Single, global, instance
		RegistryHub*& getTheRegistryHub() {
			static RegistryHub* theRegistryHub = nullptr;
			if (!theRegistryHub)
				theRegistryHub = new RegistryHub();
			return theRegistryHub;
		}
	}

	IRegistryHub& getRegistryHub() {
		return *getTheRegistryHub();
	}
	IMutableRegistryHub& getMutableRegistryHub() {
		return *getTheRegistryHub();
	}
	void cleanUp() {
		delete getTheRegistryHub();
		getTheRegistryHub() = nullptr;
		cleanUpContext();
		ReusableStringStream::cleanup();
	}
	std::string translateActiveException() {
		return getRegistryHub().getExceptionTranslatorRegistry().translateActiveException();
	}

} // end namespace Catch
  // end catch_registry_hub.cpp
  // start catch_reporter_registry.cpp

namespace Catch {

	ReporterRegistry::~ReporterRegistry() = default;

	IStreamingReporterPtr ReporterRegistry::create(std::string const& name, IConfigPtr const& config) const {
		auto it = m_factories.find(name);
		if (it == m_factories.end())
			return nullptr;
		return it->second->create(ReporterConfig(config));
	}

	void ReporterRegistry::registerReporter(std::string const& name, IReporterFactoryPtr const& factory) {
		m_factories.emplace(name, factory);
	}
	void ReporterRegistry::registerListener(IReporterFactoryPtr const& factory) {
		m_listeners.push_back(factory);
	}

	IReporterRegistry::FactoryMap const& ReporterRegistry::getFactories() const {
		return m_factories;
	}
	IReporterRegistry::Listeners const& ReporterRegistry::getListeners() const {
		return m_listeners;
	}

}
// end catch_reporter_registry.cpp
// start catch_result_type.cpp

namespace Catch {

	bool isOk(ResultWas::OfType resultType) {
		return (resultType & ResultWas::FailureBit) == 0;
	}
	bool isJustInfo(int flags) {
		return flags == ResultWas::Info;
	}

	ResultDisposition::Flags operator | (ResultDisposition::Flags lhs, ResultDisposition::Flags rhs) {
		return static_cast<ResultDisposition::Flags>(static_cast<int>(lhs) | static_cast<int>(rhs));
	}

	bool shouldContinueOnFailure(int flags) { return (flags & ResultDisposition::ContinueOnFailure) != 0; }
	bool shouldSuppressFailure(int flags) { return (flags & ResultDisposition::SuppressFail) != 0; }

} // end namespace Catch
  // end catch_result_type.cpp
  // start catch_run_context.cpp

#include <cassert>
#include <algorithm>
#include <sstream>

namespace Catch {

	class RedirectedStream {
		std::ostream& m_originalStream;
		std::ostream& m_redirectionStream;
		std::streambuf* m_prevBuf;

	public:
		RedirectedStream(std::ostream& originalStream, std::ostream& redirectionStream)
			: m_originalStream(originalStream),
			m_redirectionStream(redirectionStream),
			m_prevBuf(m_originalStream.rdbuf())
		{
			m_originalStream.rdbuf(m_redirectionStream.rdbuf());
		}
		~RedirectedStream() {
			m_originalStream.rdbuf(m_prevBuf);
		}
	};

	class RedirectedStdOut {
		ReusableStringStream m_rss;
		RedirectedStream m_cout;
	public:
		RedirectedStdOut() : m_cout(Catch::cout(), m_rss.get()) {}
		auto str() const -> std::string { return m_rss.str(); }
	};

	// StdErr has two constituent streams in C++, std::cerr and std::clog
	// This means that we need to redirect 2 streams into 1 to keep proper
	// order of writes
	class RedirectedStdErr {
		ReusableStringStream m_rss;
		RedirectedStream m_cerr;
		RedirectedStream m_clog;
	public:
		RedirectedStdErr()
			: m_cerr(Catch::cerr(), m_rss.get()),
			m_clog(Catch::clog(), m_rss.get())
		{}
		auto str() const -> std::string { return m_rss.str(); }
	};

	RunContext::RunContext(IConfigPtr const& _config, IStreamingReporterPtr&& reporter)
		: m_runInfo(_config->name()),
		m_context(getCurrentMutableContext()),
		m_config(_config),
		m_reporter(std::move(reporter)),
		m_lastAssertionInfo{ StringRef(), SourceLineInfo("",0), StringRef(), ResultDisposition::Normal },
		m_includeSuccessfulResults(m_config->includeSuccessfulResults())
	{
		m_context.setRunner(this);
		m_context.setConfig(m_config);
		m_context.setResultCapture(this);
		m_reporter->testRunStarting(m_runInfo);
	}

	RunContext::~RunContext() {
		m_reporter->testRunEnded(TestRunStats(m_runInfo, m_totals, aborting()));
	}

	void RunContext::testGroupStarting(std::string const& testSpec, std::size_t groupIndex, std::size_t groupsCount) {
		m_reporter->testGroupStarting(GroupInfo(testSpec, groupIndex, groupsCount));
	}

	void RunContext::testGroupEnded(std::string const& testSpec, Totals const& totals, std::size_t groupIndex, std::size_t groupsCount) {
		m_reporter->testGroupEnded(TestGroupStats(GroupInfo(testSpec, groupIndex, groupsCount), totals, aborting()));
	}

	Totals RunContext::runTest(TestCase const& testCase) {
		Totals prevTotals = m_totals;

		std::string redirectedCout;
		std::string redirectedCerr;

		auto const& testInfo = testCase.getTestCaseInfo();

		m_reporter->testCaseStarting(testInfo);

		m_activeTestCase = &testCase;

		ITracker& rootTracker = m_trackerContext.startRun();
		assert(rootTracker.isSectionTracker());
		static_cast<SectionTracker&>(rootTracker).addInitialFilters(m_config->getSectionsToRun());
		do {
			m_trackerContext.startCycle();
			m_testCaseTracker = &SectionTracker::acquire(m_trackerContext, TestCaseTracking::NameAndLocation(testInfo.name, testInfo.lineInfo));
			runCurrentTest(redirectedCout, redirectedCerr);
		} while (!m_testCaseTracker->isSuccessfullyCompleted() && !aborting());

		Totals deltaTotals = m_totals.delta(prevTotals);
		if (testInfo.expectedToFail() && deltaTotals.testCases.passed > 0) {
			deltaTotals.assertions.failed++;
			deltaTotals.testCases.passed--;
			deltaTotals.testCases.failed++;
		}
		m_totals.testCases += deltaTotals.testCases;
		m_reporter->testCaseEnded(TestCaseStats(testInfo,
			deltaTotals,
			redirectedCout,
			redirectedCerr,
			aborting()));

		m_activeTestCase = nullptr;
		m_testCaseTracker = nullptr;

		return deltaTotals;
	}

	IConfigPtr RunContext::config() const {
		return m_config;
	}

	IStreamingReporter& RunContext::reporter() const {
		return *m_reporter;
	}

	void RunContext::assertionEnded(AssertionResult const & result) {
		if (result.getResultType() == ResultWas::Ok) {
			m_totals.assertions.passed++;
			m_lastAssertionPassed = true;
		}
		else if (!result.isOk()) {
			m_lastAssertionPassed = false;
			if (m_activeTestCase->getTestCaseInfo().okToFail())
				m_totals.assertions.failedButOk++;
			else
				m_totals.assertions.failed++;
		}
		else {
			m_lastAssertionPassed = true;
		}

		// We have no use for the return value (whether messages should be cleared), because messages were made scoped
		// and should be let to clear themselves out.
		static_cast<void>(m_reporter->assertionEnded(AssertionStats(result, m_messages, m_totals)));

		// Reset working state
		resetAssertionInfo();
		m_lastResult = result;
	}
	void RunContext::resetAssertionInfo() {
		m_lastAssertionInfo.macroName = StringRef();
		m_lastAssertionInfo.capturedExpression = "{Unknown expression after the reported line}"_sr;
	}

	bool RunContext::sectionStarted(SectionInfo const & sectionInfo, Counts & assertions) {
		ITracker& sectionTracker = SectionTracker::acquire(m_trackerContext, TestCaseTracking::NameAndLocation(sectionInfo.name, sectionInfo.lineInfo));
		if (!sectionTracker.isOpen())
			return false;
		m_activeSections.push_back(&sectionTracker);

		m_lastAssertionInfo.lineInfo = sectionInfo.lineInfo;

		m_reporter->sectionStarting(sectionInfo);

		assertions = m_totals.assertions;

		return true;
	}

	bool RunContext::testForMissingAssertions(Counts& assertions) {
		if (assertions.total() != 0)
			return false;
		if (!m_config->warnAboutMissingAssertions())
			return false;
		if (m_trackerContext.currentTracker().hasChildren())
			return false;
		m_totals.assertions.failed++;
		assertions.failed++;
		return true;
	}

	void RunContext::sectionEnded(SectionEndInfo const & endInfo) {
		Counts assertions = m_totals.assertions - endInfo.prevAssertions;
		bool missingAssertions = testForMissingAssertions(assertions);

		if (!m_activeSections.empty()) {
			m_activeSections.back()->close();
			m_activeSections.pop_back();
		}

		m_reporter->sectionEnded(SectionStats(endInfo.sectionInfo, assertions, endInfo.durationInSeconds, missingAssertions));
		m_messages.clear();
	}

	void RunContext::sectionEndedEarly(SectionEndInfo const & endInfo) {
		if (m_unfinishedSections.empty())
			m_activeSections.back()->fail();
		else
			m_activeSections.back()->close();
		m_activeSections.pop_back();

		m_unfinishedSections.push_back(endInfo);
	}
	void RunContext::benchmarkStarting(BenchmarkInfo const& info) {
		m_reporter->benchmarkStarting(info);
	}
	void RunContext::benchmarkEnded(BenchmarkStats const& stats) {
		m_reporter->benchmarkEnded(stats);
	}

	void RunContext::pushScopedMessage(MessageInfo const & message) {
		m_messages.push_back(message);
	}

	void RunContext::popScopedMessage(MessageInfo const & message) {
		m_messages.erase(std::remove(m_messages.begin(), m_messages.end(), message), m_messages.end());
	}

	std::string RunContext::getCurrentTestName() const {
		return m_activeTestCase
			? m_activeTestCase->getTestCaseInfo().name
			: std::string();
	}

	const AssertionResult * RunContext::getLastResult() const {
		return &(*m_lastResult);
	}

	void RunContext::exceptionEarlyReported() {
		m_shouldReportUnexpected = false;
	}

	void RunContext::handleFatalErrorCondition(StringRef message) {
		// First notify reporter that bad things happened
		m_reporter->fatalErrorEncountered(message);

		// Don't rebuild the result -- the stringification itself can cause more fatal errors
		// Instead, fake a result data.
		AssertionResultData tempResult(ResultWas::FatalErrorCondition, { false });
		tempResult.message = message;
		AssertionResult result(m_lastAssertionInfo, tempResult);

		assertionEnded(result);

		handleUnfinishedSections();

		// Recreate section for test case (as we will lose the one that was in scope)
		auto const& testCaseInfo = m_activeTestCase->getTestCaseInfo();
		SectionInfo testCaseSection(testCaseInfo.lineInfo, testCaseInfo.name, testCaseInfo.description);

		Counts assertions;
		assertions.failed = 1;
		SectionStats testCaseSectionStats(testCaseSection, assertions, 0, false);
		m_reporter->sectionEnded(testCaseSectionStats);

		auto const& testInfo = m_activeTestCase->getTestCaseInfo();

		Totals deltaTotals;
		deltaTotals.testCases.failed = 1;
		deltaTotals.assertions.failed = 1;
		m_reporter->testCaseEnded(TestCaseStats(testInfo,
			deltaTotals,
			std::string(),
			std::string(),
			false));
		m_totals.testCases.failed++;
		testGroupEnded(std::string(), m_totals, 1, 1);
		m_reporter->testRunEnded(TestRunStats(m_runInfo, m_totals, false));
	}

	bool RunContext::lastAssertionPassed() {
		return m_lastAssertionPassed;
	}

	void RunContext::assertionPassed() {
		m_lastAssertionPassed = true;
		++m_totals.assertions.passed;
		resetAssertionInfo();
	}

	bool RunContext::aborting() const {
		return m_totals.assertions.failed == static_cast<std::size_t>(m_config->abortAfter());
	}

	void RunContext::runCurrentTest(std::string & redirectedCout, std::string & redirectedCerr) {
		auto const& testCaseInfo = m_activeTestCase->getTestCaseInfo();
		SectionInfo testCaseSection(testCaseInfo.lineInfo, testCaseInfo.name, testCaseInfo.description);
		m_reporter->sectionStarting(testCaseSection);
		Counts prevAssertions = m_totals.assertions;
		double duration = 0;
		m_shouldReportUnexpected = true;
		m_lastAssertionInfo = { "TEST_CASE"_sr, testCaseInfo.lineInfo, StringRef(), ResultDisposition::Normal };

		seedRng(*m_config);

		Timer timer;
		try {
			if (m_reporter->getPreferences().shouldRedirectStdOut) {
				RedirectedStdOut redirectedStdOut;
				RedirectedStdErr redirectedStdErr;
				timer.start();
				invokeActiveTestCase();
				redirectedCout += redirectedStdOut.str();
				redirectedCerr += redirectedStdErr.str();

			}
			else {
				timer.start();
				invokeActiveTestCase();
			}
			duration = timer.getElapsedSeconds();
		}
		catch (TestFailureException&) {
			// This just means the test was aborted due to failure
		}
		catch (...) {
			// Under CATCH_CONFIG_FAST_COMPILE, unexpected exceptions under REQUIRE assertions
			// are reported without translation at the point of origin.
			if (m_shouldReportUnexpected) {
				AssertionReaction dummyReaction;
				handleUnexpectedInflightException(m_lastAssertionInfo, translateActiveException(), dummyReaction);
			}
		}
		Counts assertions = m_totals.assertions - prevAssertions;
		bool missingAssertions = testForMissingAssertions(assertions);

		m_testCaseTracker->close();
		handleUnfinishedSections();
		m_messages.clear();

		SectionStats testCaseSectionStats(testCaseSection, assertions, duration, missingAssertions);
		m_reporter->sectionEnded(testCaseSectionStats);
	}

	void RunContext::invokeActiveTestCase() {
		FatalConditionHandler fatalConditionHandler; // Handle signals
		m_activeTestCase->invoke();
		fatalConditionHandler.reset();
	}

	void RunContext::handleUnfinishedSections() {
		// If sections ended prematurely due to an exception we stored their
		// infos here so we can tear them down outside the unwind process.
		for (auto it = m_unfinishedSections.rbegin(),
			itEnd = m_unfinishedSections.rend();
			it != itEnd;
			++it)
			sectionEnded(*it);
		m_unfinishedSections.clear();
	}

	void RunContext::handleExpr(
		AssertionInfo const& info,
		ITransientExpression const& expr,
		AssertionReaction& reaction
	) {
		m_reporter->assertionStarting(info);

		bool negated = isFalseTest(info.resultDisposition);
		bool result = expr.getResult() != negated;

		if (result) {
			if (!m_includeSuccessfulResults) {
				assertionPassed();
			}
			else {
				reportExpr(info, ResultWas::Ok, &expr, negated);
			}
		}
		else {
			reportExpr(info, ResultWas::ExpressionFailed, &expr, negated);
			populateReaction(reaction);
		}
	}
	void RunContext::reportExpr(
		AssertionInfo const &info,
		ResultWas::OfType resultType,
		ITransientExpression const *expr,
		bool negated) {

		m_lastAssertionInfo = info;
		AssertionResultData data(resultType, LazyExpression(negated));

		AssertionResult assertionResult{ info, data };
		assertionResult.m_resultData.lazyExpression.m_transientExpression = expr;

		assertionEnded(assertionResult);
	}

	void RunContext::handleMessage(
		AssertionInfo const& info,
		ResultWas::OfType resultType,
		StringRef const& message,
		AssertionReaction& reaction
	) {
		m_reporter->assertionStarting(info);

		m_lastAssertionInfo = info;

		AssertionResultData data(resultType, LazyExpression(false));
		data.message = message;
		AssertionResult assertionResult{ m_lastAssertionInfo, data };
		assertionEnded(assertionResult);
		if (!assertionResult.isOk())
			populateReaction(reaction);
	}
	void RunContext::handleUnexpectedExceptionNotThrown(
		AssertionInfo const& info,
		AssertionReaction& reaction
	) {
		handleNonExpr(info, Catch::ResultWas::DidntThrowException, reaction);
	}

	void RunContext::handleUnexpectedInflightException(
		AssertionInfo const& info,
		std::string const& message,
		AssertionReaction& reaction
	) {
		m_lastAssertionInfo = info;

		AssertionResultData data(ResultWas::ThrewException, LazyExpression(false));
		data.message = message;
		AssertionResult assertionResult{ info, data };
		assertionEnded(assertionResult);
		populateReaction(reaction);
	}

	void RunContext::populateReaction(AssertionReaction& reaction) {
		reaction.shouldDebugBreak = m_config->shouldDebugBreak();
		reaction.shouldThrow = aborting() || (m_lastAssertionInfo.resultDisposition & ResultDisposition::Normal);
	}

	void RunContext::handleIncomplete(
		AssertionInfo const& info
	) {
		m_lastAssertionInfo = info;

		AssertionResultData data(ResultWas::ThrewException, LazyExpression(false));
		data.message = "Exception translation was disabled by CATCH_CONFIG_FAST_COMPILE";
		AssertionResult assertionResult{ info, data };
		assertionEnded(assertionResult);
	}
	void RunContext::handleNonExpr(
		AssertionInfo const &info,
		ResultWas::OfType resultType,
		AssertionReaction &reaction
	) {
		m_lastAssertionInfo = info;

		AssertionResultData data(resultType, LazyExpression(false));
		AssertionResult assertionResult{ info, data };
		assertionEnded(assertionResult);

		if (!assertionResult.isOk())
			populateReaction(reaction);
	}

	IResultCapture& getResultCapture() {
		if (auto* capture = getCurrentContext().getResultCapture())
			return *capture;
		else
			CATCH_INTERNAL_ERROR("No result capture instance");
	}
}
// end catch_run_context.cpp
// start catch_section.cpp

namespace Catch {

	Section::Section(SectionInfo const& info)
		: m_info(info),
		m_sectionIncluded(getResultCapture().sectionStarted(m_info, m_assertions))
	{
		m_timer.start();
	}

	Section::~Section() {
		if (m_sectionIncluded) {
			SectionEndInfo endInfo(m_info, m_assertions, m_timer.getElapsedSeconds());
			if (uncaught_exceptions())
				getResultCapture().sectionEndedEarly(endInfo);
			else
				getResultCapture().sectionEnded(endInfo);
		}
	}

	// This indicates whether the section should be executed or not
	Section::operator bool() const {
		return m_sectionIncluded;
	}

} // end namespace Catch
  // end catch_section.cpp
  // start catch_section_info.cpp

namespace Catch {

	SectionInfo::SectionInfo
	(SourceLineInfo const& _lineInfo,
		std::string const& _name,
		std::string const& _description)
		: name(_name),
		description(_description),
		lineInfo(_lineInfo)
	{}

	SectionEndInfo::SectionEndInfo(SectionInfo const& _sectionInfo, Counts const& _prevAssertions, double _durationInSeconds)
		: sectionInfo(_sectionInfo), prevAssertions(_prevAssertions), durationInSeconds(_durationInSeconds)
	{}

} // end namespace Catch
  // end catch_section_info.cpp
  // start catch_session.cpp

  // start catch_session.h

#include <memory>

namespace Catch {

	class Session : NonCopyable {
	public:

		Session();
		~Session() override;

		void showHelp() const;
		void libIdentify();

		int applyCommandLine(int argc, char const * const * argv);

		void useConfigData(ConfigData const& configData);

		int run(int argc, char* argv[]);
#if defined(CATCH_CONFIG_WCHAR) && defined(WIN32) && defined(UNICODE)
		int run(int argc, wchar_t* const argv[]);
#endif
		int run();

		clara::Parser const& cli() const;
		void cli(clara::Parser const& newParser);
		ConfigData& configData();
		Config& config();
	private:
		int runInternal();

		clara::Parser m_cli;
		ConfigData m_configData;
		std::shared_ptr<Config> m_config;
		bool m_startupExceptions = false;
	};

} // end namespace Catch

  // end catch_session.h
  // start catch_version.h

#include <iosfwd>

namespace Catch {

	// Versioning information
	struct Version {
		Version(Version const&) = delete;
		Version& operator=(Version const&) = delete;
		Version(unsigned int _majorVersion,
			unsigned int _minorVersion,
			unsigned int _patchNumber,
			char const * const _branchName,
			unsigned int _buildNumber);

		unsigned int const majorVersion;
		unsigned int const minorVersion;
		unsigned int const patchNumber;

		// buildNumber is only used if branchName is not null
		char const * const branchName;
		unsigned int const buildNumber;

		friend std::ostream& operator << (std::ostream& os, Version const& version);
	};

	Version const& libraryVersion();
}

// end catch_version.h
#include <cstdlib>
#include <iomanip>

namespace Catch {

	namespace {
		const int MaxExitCode = 255;

		IStreamingReporterPtr createReporter(std::string const& reporterName, IConfigPtr const& config) {
			auto reporter = Catch::getRegistryHub().getReporterRegistry().create(reporterName, config);
			CATCH_ENFORCE(reporter, "No reporter registered with name: '" << reporterName << "'");

			return reporter;
		}

#ifndef CATCH_CONFIG_DEFAULT_REPORTER
#define CATCH_CONFIG_DEFAULT_REPORTER "console"
#endif

		IStreamingReporterPtr makeReporter(std::shared_ptr<Config> const& config) {
			auto const& reporterNames = config->getReporterNames();
			if (reporterNames.empty())
				return createReporter(CATCH_CONFIG_DEFAULT_REPORTER, config);

			IStreamingReporterPtr reporter;
			for (auto const& name : reporterNames)
				addReporter(reporter, createReporter(name, config));
			return reporter;
		}

#undef CATCH_CONFIG_DEFAULT_REPORTER

		void addListeners(IStreamingReporterPtr& reporters, IConfigPtr const& config) {
			auto const& listeners = Catch::getRegistryHub().getReporterRegistry().getListeners();
			for (auto const& listener : listeners)
				addReporter(reporters, listener->create(Catch::ReporterConfig(config)));
		}

		Catch::Totals runTests(std::shared_ptr<Config> const& config) {
			IStreamingReporterPtr reporter = makeReporter(config);
			addListeners(reporter, config);

			RunContext context(config, std::move(reporter));

			Totals totals;

			context.testGroupStarting(config->name(), 1, 1);

			TestSpec testSpec = config->testSpec();

			auto const& allTestCases = getAllTestCasesSorted(*config);
			for (auto const& testCase : allTestCases) {
				if (!context.aborting() && matchTest(testCase, testSpec, *config))
					totals += context.runTest(testCase);
				else
					context.reporter().skipTest(testCase);
			}

			if (config->warnAboutNoTests() && totals.testCases.total() == 0) {
				ReusableStringStream testConfig;

				bool first = true;
				for (const auto& input : config->getTestsOrTags()) {
					if (!first) { testConfig << ' '; }
					first = false;
					testConfig << input;
				}

				context.reporter().noMatchingTestCases(testConfig.str());
				totals.error = -1;
			}

			context.testGroupEnded(config->name(), totals, 1, 1);
			return totals;
		}

		void applyFilenamesAsTags(Catch::IConfig const& config) {
			auto& tests = const_cast<std::vector<TestCase>&>(getAllTestCasesSorted(config));
			for (auto& testCase : tests) {
				auto tags = testCase.tags;

				std::string filename = testCase.lineInfo.file;
				auto lastSlash = filename.find_last_of("\\/");
				if (lastSlash != std::string::npos) {
					filename.erase(0, lastSlash);
					filename[0] = '#';
				}

				auto lastDot = filename.find_last_of('.');
				if (lastDot != std::string::npos) {
					filename.erase(lastDot);
				}

				tags.push_back(std::move(filename));
				setTags(testCase, tags);
			}
		}

	} // anon namespace

	Session::Session() {
		static bool alreadyInstantiated = false;
		if (alreadyInstantiated) {
			try { CATCH_INTERNAL_ERROR("Only one instance of Catch::Session can ever be used"); }
			catch (...) { getMutableRegistryHub().registerStartupException(); }
		}

		const auto& exceptions = getRegistryHub().getStartupExceptionRegistry().getExceptions();
		if (!exceptions.empty()) {
			m_startupExceptions = true;
			Colour colourGuard(Colour::Red);
			Catch::cerr() << "Errors occurred during startup!" << '\n';
			// iterate over all exceptions and notify user
			for (const auto& ex_ptr : exceptions) {
				try {
					std::rethrow_exception(ex_ptr);
				}
				catch (std::exception const& ex) {
					Catch::cerr() << Column(ex.what()).indent(2) << '\n';
				}
			}
		}

		alreadyInstantiated = true;
		m_cli = makeCommandLineParser(m_configData);
	}
	Session::~Session() {
		Catch::cleanUp();
	}

	void Session::showHelp() const {
		Catch::cout()
			<< "\nCatch v" << libraryVersion() << "\n"
			<< m_cli << std::endl
			<< "For more detailed usage please see the project docs\n" << std::endl;
	}
	void Session::libIdentify() {
		Catch::cout()
			<< std::left << std::setw(16) << "description: " << "A Catch test executable\n"
			<< std::left << std::setw(16) << "category: " << "testframework\n"
			<< std::left << std::setw(16) << "framework: " << "Catch Test\n"
			<< std::left << std::setw(16) << "version: " << libraryVersion() << std::endl;
	}

	int Session::applyCommandLine(int argc, char const * const * argv) {
		if (m_startupExceptions)
			return 1;

		auto result = m_cli.parse(clara::Args(argc, argv));
		if (!result) {
			Catch::cerr()
				<< Colour(Colour::Red)
				<< "\nError(s) in input:\n"
				<< Column(result.errorMessage()).indent(2)
				<< "\n\n";
			Catch::cerr() << "Run with -? for usage\n" << std::endl;
			return MaxExitCode;
		}

		if (m_configData.showHelp)
			showHelp();
		if (m_configData.libIdentify)
			libIdentify();
		m_config.reset();
		return 0;
	}

	void Session::useConfigData(ConfigData const& configData) {
		m_configData = configData;
		m_config.reset();
	}

	int Session::run(int argc, char* argv[]) {
		if (m_startupExceptions)
			return 1;
		int returnCode = applyCommandLine(argc, argv);
		if (returnCode == 0)
			returnCode = run();
		return returnCode;
	}

#if defined(CATCH_CONFIG_WCHAR) && defined(WIN32) && defined(UNICODE)
	int Session::run(int argc, wchar_t* const argv[]) {

		char **utf8Argv = new char *[argc];

		for (int i = 0; i < argc; ++i) {
			int bufSize = WideCharToMultiByte(CP_UTF8, 0, argv[i], -1, NULL, 0, NULL, NULL);

			utf8Argv[i] = new char[bufSize];

			WideCharToMultiByte(CP_UTF8, 0, argv[i], -1, utf8Argv[i], bufSize, NULL, NULL);
		}

		int returnCode = run(argc, utf8Argv);

		for (int i = 0; i < argc; ++i)
			delete[] utf8Argv[i];

		delete[] utf8Argv;

		return returnCode;
	}
#endif
	int Session::run() {
		if ((m_configData.waitForKeypress & WaitForKeypress::BeforeStart) != 0) {
			Catch::cout() << "...waiting for enter/ return before starting" << std::endl;
			static_cast<void>(std::getchar());
		}
		int exitCode = runInternal();
		if ((m_configData.waitForKeypress & WaitForKeypress::BeforeExit) != 0) {
			Catch::cout() << "...waiting for enter/ return before exiting, with code: " << exitCode << std::endl;
			static_cast<void>(std::getchar());
		}
		return exitCode;
	}

	clara::Parser const& Session::cli() const {
		return m_cli;
	}
	void Session::cli(clara::Parser const& newParser) {
		m_cli = newParser;
	}
	ConfigData& Session::configData() {
		return m_configData;
	}
	Config& Session::config() {
		if (!m_config)
			m_config = std::make_shared<Config>(m_configData);
		return *m_config;
	}

	int Session::runInternal() {
		if (m_startupExceptions)
			return 1;

		if (m_configData.showHelp || m_configData.libIdentify)
			return 0;

		try
		{
			config(); // Force config to be constructed

			seedRng(*m_config);

			if (m_configData.filenamesAsTags)
				applyFilenamesAsTags(*m_config);

			// Handle list request
			if (Option<std::size_t> listed = list(config()))
				return static_cast<int>(*listed);

			auto totals = runTests(m_config);
			// Note that on unices only the lower 8 bits are usually used, clamping
			// the return value to 255 prevents false negative when some multiple
			// of 256 tests has failed
			return (std::min) (MaxExitCode, (std::max) (totals.error, static_cast<int>(totals.assertions.failed)));
		}
		catch (std::exception& ex) {
			Catch::cerr() << ex.what() << std::endl;
			return MaxExitCode;
		}
	}

} // end namespace Catch
  // end catch_session.cpp
  // start catch_startup_exception_registry.cpp

namespace Catch {
	void StartupExceptionRegistry::add(std::exception_ptr const& exception) noexcept {
		try {
			m_exceptions.push_back(exception);
		}
		catch (...) {
			// If we run out of memory during start-up there's really not a lot more we can do about it
			std::terminate();
		}
	}

	std::vector<std::exception_ptr> const& StartupExceptionRegistry::getExceptions() const noexcept {
		return m_exceptions;
	}

} // end namespace Catch
  // end catch_startup_exception_registry.cpp
  // start catch_stream.cpp

#include <cstdio>
#include <iostream>
#include <fstream>
#include <sstream>
#include <vector>
#include <memory>

#if defined(__clang__)
#    pragma clang diagnostic push
#    pragma clang diagnostic ignored "-Wexit-time-destructors"
#endif

namespace Catch {

	Catch::IStream::~IStream() = default;

	namespace detail {
		namespace {
			template<typename WriterF, std::size_t bufferSize = 256>
			class StreamBufImpl : public std::streambuf {
				char data[bufferSize];
				WriterF m_writer;

			public:
				StreamBufImpl() {
					setp(data, data + sizeof(data));
				}

				~StreamBufImpl() noexcept {
					StreamBufImpl::sync();
				}

			private:
				int overflow(int c) override {
					sync();

					if (c != EOF) {
						if (pbase() == epptr())
							m_writer(std::string(1, static_cast<char>(c)));
						else
							sputc(static_cast<char>(c));
					}
					return 0;
				}

				int sync() override {
					if (pbase() != pptr()) {
						m_writer(std::string(pbase(), static_cast<std::string::size_type>(pptr() - pbase())));
						setp(pbase(), epptr());
					}
					return 0;
				}
			};

			///////////////////////////////////////////////////////////////////////////

			struct OutputDebugWriter {

				void operator()(std::string const&str) {
					writeToDebugConsole(str);
				}
			};

			///////////////////////////////////////////////////////////////////////////

			class FileStream : public IStream {
				mutable std::ofstream m_ofs;
			public:
				FileStream(StringRef filename) {
					m_ofs.open(filename.c_str());
					CATCH_ENFORCE(!m_ofs.fail(), "Unable to open file: '" << filename << "'");
				}
				~FileStream() override = default;
			public: // IStream
				std::ostream& stream() const override {
					return m_ofs;
				}
			};

			///////////////////////////////////////////////////////////////////////////

			class CoutStream : public IStream {
				mutable std::ostream m_os;
			public:
				// Store the streambuf from cout up-front because
				// cout may get redirected when running tests
				CoutStream() : m_os(Catch::cout().rdbuf()) {}
				~CoutStream() override = default;

			public: // IStream
				std::ostream& stream() const override { return m_os; }
			};

			///////////////////////////////////////////////////////////////////////////

			class DebugOutStream : public IStream {
				std::unique_ptr<StreamBufImpl<OutputDebugWriter>> m_streamBuf;
				mutable std::ostream m_os;
			public:
				DebugOutStream()
					: m_streamBuf(new StreamBufImpl<OutputDebugWriter>()),
					m_os(m_streamBuf.get())
				{}

				~DebugOutStream() override = default;

			public: // IStream
				std::ostream& stream() const override { return m_os; }
			};

		}
	} // namespace anon::detail

	  ///////////////////////////////////////////////////////////////////////////

	auto makeStream(StringRef const &filename) -> IStream const* {
		if (filename.empty())
			return new detail::CoutStream();
		else if (filename[0] == '%') {
			if (filename == "%debug")
				return new detail::DebugOutStream();
			else
				CATCH_ERROR("Unrecognised stream: '" << filename << "'");
		}
		else
			return new detail::FileStream(filename);
	}

	// This class encapsulates the idea of a pool of ostringstreams that can be reused.
	struct StringStreams {
		std::vector<std::unique_ptr<std::ostringstream>> m_streams;
		std::vector<std::size_t> m_unused;
		std::ostringstream m_referenceStream; // Used for copy state/ flags from
		static StringStreams* s_instance;

		auto add() -> std::size_t {
			if (m_unused.empty()) {
				m_streams.push_back(std::unique_ptr<std::ostringstream>(new std::ostringstream));
				return m_streams.size() - 1;
			}
			else {
				auto index = m_unused.back();
				m_unused.pop_back();
				return index;
			}
		}

		void release(std::size_t index) {
			m_streams[index]->copyfmt(m_referenceStream); // Restore initial flags and other state
			m_unused.push_back(index);
		}

		// !TBD: put in TLS
		static auto instance() -> StringStreams& {
			if (!s_instance)
				s_instance = new StringStreams();
			return *s_instance;
		}
		static void cleanup() {
			delete s_instance;
			s_instance = nullptr;
		}
	};

	StringStreams* StringStreams::s_instance = nullptr;

	void ReusableStringStream::cleanup() {
		StringStreams::cleanup();
	}

	ReusableStringStream::ReusableStringStream()
		: m_index(StringStreams::instance().add()),
		m_oss(StringStreams::instance().m_streams[m_index].get())
	{}

	ReusableStringStream::~ReusableStringStream() {
		static_cast<std::ostringstream*>(m_oss)->str("");
		m_oss->clear();
		StringStreams::instance().release(m_index);
	}

	auto ReusableStringStream::str() const -> std::string {
		return static_cast<std::ostringstream*>(m_oss)->str();
	}

	///////////////////////////////////////////////////////////////////////////

#ifndef CATCH_CONFIG_NOSTDOUT // If you #define this you must implement these functions
	std::ostream& cout() { return std::cout; }
	std::ostream& cerr() { return std::cerr; }
	std::ostream& clog() { return std::clog; }
#endif
}

#if defined(__clang__)
#    pragma clang diagnostic pop
#endif
// end catch_stream.cpp
// start catch_string_manip.cpp

#include <algorithm>
#include <ostream>
#include <cstring>
#include <cctype>

namespace Catch {

	bool startsWith(std::string const& s, std::string const& prefix) {
		return s.size() >= prefix.size() && std::equal(prefix.begin(), prefix.end(), s.begin());
	}
	bool startsWith(std::string const& s, char prefix) {
		return !s.empty() && s[0] == prefix;
	}
	bool endsWith(std::string const& s, std::string const& suffix) {
		return s.size() >= suffix.size() && std::equal(suffix.rbegin(), suffix.rend(), s.rbegin());
	}
	bool endsWith(std::string const& s, char suffix) {
		return !s.empty() && s[s.size() - 1] == suffix;
	}
	bool contains(std::string const& s, std::string const& infix) {
		return s.find(infix) != std::string::npos;
	}
	char toLowerCh(char c) {
		return static_cast<char>(std::tolower(c));
	}
	void toLowerInPlace(std::string& s) {
		std::transform(s.begin(), s.end(), s.begin(), toLowerCh);
	}
	std::string toLower(std::string const& s) {
		std::string lc = s;
		toLowerInPlace(lc);
		return lc;
	}
	std::string trim(std::string const& str) {
		static char const* whitespaceChars = "\n\r\t ";
		std::string::size_type start = str.find_first_not_of(whitespaceChars);
		std::string::size_type end = str.find_last_not_of(whitespaceChars);

		return start != std::string::npos ? str.substr(start, 1 + end - start) : std::string();
	}

	bool replaceInPlace(std::string& str, std::string const& replaceThis, std::string const& withThis) {
		bool replaced = false;
		std::size_t i = str.find(replaceThis);
		while (i != std::string::npos) {
			replaced = true;
			str = str.substr(0, i) + withThis + str.substr(i + replaceThis.size());
			if (i < str.size() - withThis.size())
				i = str.find(replaceThis, i + withThis.size());
			else
				i = std::string::npos;
		}
		return replaced;
	}

	pluralise::pluralise(std::size_t count, std::string const& label)
		: m_count(count),
		m_label(label)
	{}

	std::ostream& operator << (std::ostream& os, pluralise const& pluraliser) {
		os << pluraliser.m_count << ' ' << pluraliser.m_label;
		if (pluraliser.m_count != 1)
			os << 's';
		return os;
	}

}
// end catch_string_manip.cpp
// start catch_stringref.cpp

#if defined(__clang__)
#    pragma clang diagnostic push
#    pragma clang diagnostic ignored "-Wexit-time-destructors"
#endif

#include <ostream>
#include <cstring>
#include <cstdint>

namespace {
	const uint32_t byte_2_lead = 0xC0;
	const uint32_t byte_3_lead = 0xE0;
	const uint32_t byte_4_lead = 0xF0;
}

namespace Catch {
	StringRef::StringRef(char const* rawChars) noexcept
		: StringRef(rawChars, static_cast<StringRef::size_type>(std::strlen(rawChars)))
	{}

	StringRef::operator std::string() const {
		return std::string(m_start, m_size);
	}

	void StringRef::swap(StringRef& other) noexcept {
		std::swap(m_start, other.m_start);
		std::swap(m_size, other.m_size);
		std::swap(m_data, other.m_data);
	}

	auto StringRef::c_str() const -> char const* {
		if (isSubstring())
			const_cast<StringRef*>(this)->takeOwnership();
		return m_start;
	}
	auto StringRef::currentData() const noexcept -> char const* {
		return m_start;
	}

	auto StringRef::isOwned() const noexcept -> bool {
		return m_data != nullptr;
	}
	auto StringRef::isSubstring() const noexcept -> bool {
		return m_start[m_size] != '\0';
	}

	void StringRef::takeOwnership() {
		if (!isOwned()) {
			m_data = new char[m_size + 1];
			memcpy(m_data, m_start, m_size);
			m_data[m_size] = '\0';
			m_start = m_data;
		}
	}
	auto StringRef::substr(size_type start, size_type size) const noexcept -> StringRef {
		if (start < m_size)
			return StringRef(m_start + start, size);
		else
			return StringRef();
	}
	auto StringRef::operator == (StringRef const& other) const noexcept -> bool {
		return
			size() == other.size() &&
			(std::strncmp(m_start, other.m_start, size()) == 0);
	}
	auto StringRef::operator != (StringRef const& other) const noexcept -> bool {
		return !operator==(other);
	}

	auto StringRef::operator[](size_type index) const noexcept -> char {
		return m_start[index];
	}

	auto StringRef::numberOfCharacters() const noexcept -> size_type {
		size_type noChars = m_size;
		// Make adjustments for uft encodings
		for (size_type i = 0; i < m_size; ++i) {
			char c = m_start[i];
			if ((c & byte_2_lead) == byte_2_lead) {
				noChars--;
				if ((c & byte_3_lead) == byte_3_lead)
					noChars--;
				if ((c & byte_4_lead) == byte_4_lead)
					noChars--;
			}
		}
		return noChars;
	}

	auto operator + (StringRef const& lhs, StringRef const& rhs) -> std::string {
		std::string str;
		str.reserve(lhs.size() + rhs.size());
		str += lhs;
		str += rhs;
		return str;
	}
	auto operator + (StringRef const& lhs, const char* rhs) -> std::string {
		return std::string(lhs) + std::string(rhs);
	}
	auto operator + (char const* lhs, StringRef const& rhs) -> std::string {
		return std::string(lhs) + std::string(rhs);
	}

	auto operator << (std::ostream& os, StringRef const& str) -> std::ostream& {
		return os.write(str.currentData(), str.size());
	}

	auto operator+=(std::string& lhs, StringRef const& rhs) -> std::string& {
		lhs.append(rhs.currentData(), rhs.size());
		return lhs;
	}

} // namespace Catch

#if defined(__clang__)
#    pragma clang diagnostic pop
#endif
  // end catch_stringref.cpp
  // start catch_tag_alias.cpp

namespace Catch {
	TagAlias::TagAlias(std::string const & _tag, SourceLineInfo _lineInfo) : tag(_tag), lineInfo(_lineInfo) {}
}
// end catch_tag_alias.cpp
// start catch_tag_alias_autoregistrar.cpp

namespace Catch {

	RegistrarForTagAliases::RegistrarForTagAliases(char const* alias, char const* tag, SourceLineInfo const& lineInfo) {
		try {
			getMutableRegistryHub().registerTagAlias(alias, tag, lineInfo);
		}
		catch (...) {
			// Do not throw when constructing global objects, instead register the exception to be processed later
			getMutableRegistryHub().registerStartupException();
		}
	}

}
// end catch_tag_alias_autoregistrar.cpp
// start catch_tag_alias_registry.cpp

#include <sstream>

namespace Catch {

	TagAliasRegistry::~TagAliasRegistry() {}

	TagAlias const* TagAliasRegistry::find(std::string const& alias) const {
		auto it = m_registry.find(alias);
		if (it != m_registry.end())
			return &(it->second);
		else
			return nullptr;
	}

	std::string TagAliasRegistry::expandAliases(std::string const& unexpandedTestSpec) const {
		std::string expandedTestSpec = unexpandedTestSpec;
		for (auto const& registryKvp : m_registry) {
			std::size_t pos = expandedTestSpec.find(registryKvp.first);
			if (pos != std::string::npos) {
				expandedTestSpec = expandedTestSpec.substr(0, pos) +
					registryKvp.second.tag +
					expandedTestSpec.substr(pos + registryKvp.first.size());
			}
		}
		return expandedTestSpec;
	}

	void TagAliasRegistry::add(std::string const& alias, std::string const& tag, SourceLineInfo const& lineInfo) {
		CATCH_ENFORCE(startsWith(alias, "[@") && endsWith(alias, ']'),
			"error: tag alias, '" << alias << "' is not of the form [@alias name].\n" << lineInfo);

		CATCH_ENFORCE(m_registry.insert(std::make_pair(alias, TagAlias(tag, lineInfo))).second,
			"error: tag alias, '" << alias << "' already registered.\n"
			<< "\tFirst seen at: " << find(alias)->lineInfo << "\n"
			<< "\tRedefined at: " << lineInfo);
	}

	ITagAliasRegistry::~ITagAliasRegistry() {}

	ITagAliasRegistry const& ITagAliasRegistry::get() {
		return getRegistryHub().getTagAliasRegistry();
	}

} // end namespace Catch
  // end catch_tag_alias_registry.cpp
  // start catch_test_case_info.cpp

#include <cctype>
#include <exception>
#include <algorithm>
#include <sstream>

namespace Catch {

	TestCaseInfo::SpecialProperties parseSpecialTag(std::string const& tag) {
		if (startsWith(tag, '.') ||
			tag == "!hide")
			return TestCaseInfo::IsHidden;
		else if (tag == "!throws")
			return TestCaseInfo::Throws;
		else if (tag == "!shouldfail")
			return TestCaseInfo::ShouldFail;
		else if (tag == "!mayfail")
			return TestCaseInfo::MayFail;
		else if (tag == "!nonportable")
			return TestCaseInfo::NonPortable;
		else if (tag == "!benchmark")
			return static_cast<TestCaseInfo::SpecialProperties>(TestCaseInfo::Benchmark | TestCaseInfo::IsHidden);
		else
			return TestCaseInfo::None;
	}
	bool isReservedTag(std::string const& tag) {
		return parseSpecialTag(tag) == TestCaseInfo::None && tag.size() > 0 && !std::isalnum(tag[0]);
	}
	void enforceNotReservedTag(std::string const& tag, SourceLineInfo const& _lineInfo) {
		CATCH_ENFORCE(!isReservedTag(tag),
			"Tag name: [" << tag << "] is not allowed.\n"
			<< "Tag names starting with non alpha-numeric characters are reserved\n"
			<< _lineInfo);
	}

	TestCase makeTestCase(ITestInvoker* _testCase,
		std::string const& _className,
		NameAndTags const& nameAndTags,
		SourceLineInfo const& _lineInfo)
	{
		bool isHidden = false;

		// Parse out tags
		std::vector<std::string> tags;
		std::string desc, tag;
		bool inTag = false;
		std::string _descOrTags = nameAndTags.tags;
		for (char c : _descOrTags) {
			if (!inTag) {
				if (c == '[')
					inTag = true;
				else
					desc += c;
			}
			else {
				if (c == ']') {
					TestCaseInfo::SpecialProperties prop = parseSpecialTag(tag);
					if ((prop & TestCaseInfo::IsHidden) != 0)
						isHidden = true;
					else if (prop == TestCaseInfo::None)
						enforceNotReservedTag(tag, _lineInfo);

					tags.push_back(tag);
					tag.clear();
					inTag = false;
				}
				else
					tag += c;
			}
		}
		if (isHidden) {
			tags.push_back(".");
		}

		TestCaseInfo info(nameAndTags.name, _className, desc, tags, _lineInfo);
		return TestCase(_testCase, std::move(info));
	}

	void setTags(TestCaseInfo& testCaseInfo, std::vector<std::string> tags) {
		std::sort(begin(tags), end(tags));
		tags.erase(std::unique(begin(tags), end(tags)), end(tags));
		testCaseInfo.lcaseTags.clear();

		for (auto const& tag : tags) {
			std::string lcaseTag = toLower(tag);
			testCaseInfo.properties = static_cast<TestCaseInfo::SpecialProperties>(testCaseInfo.properties | parseSpecialTag(lcaseTag));
			testCaseInfo.lcaseTags.push_back(lcaseTag);
		}
		testCaseInfo.tags = std::move(tags);
	}

	TestCaseInfo::TestCaseInfo(std::string const& _name,
		std::string const& _className,
		std::string const& _description,
		std::vector<std::string> const& _tags,
		SourceLineInfo const& _lineInfo)
		: name(_name),
		className(_className),
		description(_description),
		lineInfo(_lineInfo),
		properties(None)
	{
		setTags(*this, _tags);
	}

	bool TestCaseInfo::isHidden() const {
		return (properties & IsHidden) != 0;
	}
	bool TestCaseInfo::throws() const {
		return (properties & Throws) != 0;
	}
	bool TestCaseInfo::okToFail() const {
		return (properties & (ShouldFail | MayFail)) != 0;
	}
	bool TestCaseInfo::expectedToFail() const {
		return (properties & (ShouldFail)) != 0;
	}

	std::string TestCaseInfo::tagsAsString() const {
		std::string ret;
		// '[' and ']' per tag
		std::size_t full_size = 2 * tags.size();
		for (const auto& tag : tags) {
			full_size += tag.size();
		}
		ret.reserve(full_size);
		for (const auto& tag : tags) {
			ret.push_back('[');
			ret.append(tag);
			ret.push_back(']');
		}

		return ret;
	}

	TestCase::TestCase(ITestInvoker* testCase, TestCaseInfo&& info) : TestCaseInfo(std::move(info)), test(testCase) {}

	TestCase TestCase::withName(std::string const& _newName) const {
		TestCase other(*this);
		other.name = _newName;
		return other;
	}

	void TestCase::invoke() const {
		test->invoke();
	}

	bool TestCase::operator == (TestCase const& other) const {
		return  test.get() == other.test.get() &&
			name == other.name &&
			className == other.className;
	}

	bool TestCase::operator < (TestCase const& other) const {
		return name < other.name;
	}

	TestCaseInfo const& TestCase::getTestCaseInfo() const
	{
		return *this;
	}

} // end namespace Catch
  // end catch_test_case_info.cpp
  // start catch_test_case_registry_impl.cpp

#include <sstream>

namespace Catch {

	std::vector<TestCase> sortTests(IConfig const& config, std::vector<TestCase> const& unsortedTestCases) {

		std::vector<TestCase> sorted = unsortedTestCases;

		switch (config.runOrder()) {
		case RunTests::InLexicographicalOrder:
			std::sort(sorted.begin(), sorted.end());
			break;
		case RunTests::InRandomOrder:
			seedRng(config);
			RandomNumberGenerator::shuffle(sorted);
			break;
		case RunTests::InDeclarationOrder:
			// already in declaration order
			break;
		}
		return sorted;
	}
	bool matchTest(TestCase const& testCase, TestSpec const& testSpec, IConfig const& config) {
		return testSpec.matches(testCase) && (config.allowThrows() || !testCase.throws());
	}

	void enforceNoDuplicateTestCases(std::vector<TestCase> const& functions) {
		std::set<TestCase> seenFunctions;
		for (auto const& function : functions) {
			auto prev = seenFunctions.insert(function);
			CATCH_ENFORCE(prev.second,
				"error: TEST_CASE( \"" << function.name << "\" ) already defined.\n"
				<< "\tFirst seen at " << prev.first->getTestCaseInfo().lineInfo << "\n"
				<< "\tRedefined at " << function.getTestCaseInfo().lineInfo);
		}
	}

	std::vector<TestCase> filterTests(std::vector<TestCase> const& testCases, TestSpec const& testSpec, IConfig const& config) {
		std::vector<TestCase> filtered;
		filtered.reserve(testCases.size());
		for (auto const& testCase : testCases)
			if (matchTest(testCase, testSpec, config))
				filtered.push_back(testCase);
		return filtered;
	}
	std::vector<TestCase> const& getAllTestCasesSorted(IConfig const& config) {
		return getRegistryHub().getTestCaseRegistry().getAllTestsSorted(config);
	}

	void TestRegistry::registerTest(TestCase const& testCase) {
		std::string name = testCase.getTestCaseInfo().name;
		if (name.empty()) {
			ReusableStringStream rss;
			rss << "Anonymous test case " << ++m_unnamedCount;
			return registerTest(testCase.withName(rss.str()));
		}
		m_functions.push_back(testCase);
	}

	std::vector<TestCase> const& TestRegistry::getAllTests() const {
		return m_functions;
	}
	std::vector<TestCase> const& TestRegistry::getAllTestsSorted(IConfig const& config) const {
		if (m_sortedFunctions.empty())
			enforceNoDuplicateTestCases(m_functions);

		if (m_currentSortOrder != config.runOrder() || m_sortedFunctions.empty()) {
			m_sortedFunctions = sortTests(config, m_functions);
			m_currentSortOrder = config.runOrder();
		}
		return m_sortedFunctions;
	}

	///////////////////////////////////////////////////////////////////////////
	TestInvokerAsFunction::TestInvokerAsFunction(void(*testAsFunction)()) noexcept : m_testAsFunction(testAsFunction) {}

	void TestInvokerAsFunction::invoke() const {
		m_testAsFunction();
	}

	std::string extractClassName(StringRef const& classOrQualifiedMethodName) {
		std::string className = classOrQualifiedMethodName;
		if (startsWith(className, '&'))
		{
			std::size_t lastColons = className.rfind("::");
			std::size_t penultimateColons = className.rfind("::", lastColons - 1);
			if (penultimateColons == std::string::npos)
				penultimateColons = 1;
			className = className.substr(penultimateColons, lastColons - penultimateColons);
		}
		return className;
	}

} // end namespace Catch
  // end catch_test_case_registry_impl.cpp
  // start catch_test_case_tracker.cpp

#include <algorithm>
#include <assert.h>
#include <stdexcept>
#include <memory>
#include <sstream>

#if defined(__clang__)
#    pragma clang diagnostic push
#    pragma clang diagnostic ignored "-Wexit-time-destructors"
#endif

namespace Catch {
	namespace TestCaseTracking {

		NameAndLocation::NameAndLocation(std::string const& _name, SourceLineInfo const& _location)
			: name(_name),
			location(_location)
		{}

		ITracker::~ITracker() = default;

		TrackerContext& TrackerContext::instance() {
			static TrackerContext s_instance;
			return s_instance;
		}

		ITracker& TrackerContext::startRun() {
			m_rootTracker = std::make_shared<SectionTracker>(NameAndLocation("{root}", CATCH_INTERNAL_LINEINFO), *this, nullptr);
			m_currentTracker = nullptr;
			m_runState = Executing;
			return *m_rootTracker;
		}

		void TrackerContext::endRun() {
			m_rootTracker.reset();
			m_currentTracker = nullptr;
			m_runState = NotStarted;
		}

		void TrackerContext::startCycle() {
			m_currentTracker = m_rootTracker.get();
			m_runState = Executing;
		}
		void TrackerContext::completeCycle() {
			m_runState = CompletedCycle;
		}

		bool TrackerContext::completedCycle() const {
			return m_runState == CompletedCycle;
		}
		ITracker& TrackerContext::currentTracker() {
			return *m_currentTracker;
		}
		void TrackerContext::setCurrentTracker(ITracker* tracker) {
			m_currentTracker = tracker;
		}

		TrackerBase::TrackerHasName::TrackerHasName(NameAndLocation const& nameAndLocation) : m_nameAndLocation(nameAndLocation) {}
		bool TrackerBase::TrackerHasName::operator ()(ITrackerPtr const& tracker) const {
			return
				tracker->nameAndLocation().name == m_nameAndLocation.name &&
				tracker->nameAndLocation().location == m_nameAndLocation.location;
		}

		TrackerBase::TrackerBase(NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent)
			: m_nameAndLocation(nameAndLocation),
			m_ctx(ctx),
			m_parent(parent)
		{}

		NameAndLocation const& TrackerBase::nameAndLocation() const {
			return m_nameAndLocation;
		}
		bool TrackerBase::isComplete() const {
			return m_runState == CompletedSuccessfully || m_runState == Failed;
		}
		bool TrackerBase::isSuccessfullyCompleted() const {
			return m_runState == CompletedSuccessfully;
		}
		bool TrackerBase::isOpen() const {
			return m_runState != NotStarted && !isComplete();
		}
		bool TrackerBase::hasChildren() const {
			return !m_children.empty();
		}

		void TrackerBase::addChild(ITrackerPtr const& child) {
			m_children.push_back(child);
		}

		ITrackerPtr TrackerBase::findChild(NameAndLocation const& nameAndLocation) {
			auto it = std::find_if(m_children.begin(), m_children.end(), TrackerHasName(nameAndLocation));
			return(it != m_children.end())
				? *it
				: nullptr;
		}
		ITracker& TrackerBase::parent() {
			assert(m_parent); // Should always be non-null except for root
			return *m_parent;
		}

		void TrackerBase::openChild() {
			if (m_runState != ExecutingChildren) {
				m_runState = ExecutingChildren;
				if (m_parent)
					m_parent->openChild();
			}
		}

		bool TrackerBase::isSectionTracker() const { return false; }
		bool TrackerBase::isIndexTracker() const { return false; }

		void TrackerBase::open() {
			m_runState = Executing;
			moveToThis();
			if (m_parent)
				m_parent->openChild();
		}

		void TrackerBase::close() {

			// Close any still open children (e.g. generators)
			while (&m_ctx.currentTracker() != this)
				m_ctx.currentTracker().close();

			switch (m_runState) {
			case NeedsAnotherRun:
				break;

			case Executing:
				m_runState = CompletedSuccessfully;
				break;
			case ExecutingChildren:
				if (m_children.empty() || m_children.back()->isComplete())
					m_runState = CompletedSuccessfully;
				break;

			case NotStarted:
			case CompletedSuccessfully:
			case Failed:
				CATCH_INTERNAL_ERROR("Illogical state: " << m_runState);

			default:
				CATCH_INTERNAL_ERROR("Unknown state: " << m_runState);
			}
			moveToParent();
			m_ctx.completeCycle();
		}
		void TrackerBase::fail() {
			m_runState = Failed;
			if (m_parent)
				m_parent->markAsNeedingAnotherRun();
			moveToParent();
			m_ctx.completeCycle();
		}
		void TrackerBase::markAsNeedingAnotherRun() {
			m_runState = NeedsAnotherRun;
		}

		void TrackerBase::moveToParent() {
			assert(m_parent);
			m_ctx.setCurrentTracker(m_parent);
		}
		void TrackerBase::moveToThis() {
			m_ctx.setCurrentTracker(this);
		}

		SectionTracker::SectionTracker(NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent)
			: TrackerBase(nameAndLocation, ctx, parent)
		{
			if (parent) {
				while (!parent->isSectionTracker())
					parent = &parent->parent();

				SectionTracker& parentSection = static_cast<SectionTracker&>(*parent);
				addNextFilters(parentSection.m_filters);
			}
		}

		bool SectionTracker::isSectionTracker() const { return true; }

		SectionTracker& SectionTracker::acquire(TrackerContext& ctx, NameAndLocation const& nameAndLocation) {
			std::shared_ptr<SectionTracker> section;

			ITracker& currentTracker = ctx.currentTracker();
			if (ITrackerPtr childTracker = currentTracker.findChild(nameAndLocation)) {
				assert(childTracker);
				assert(childTracker->isSectionTracker());
				section = std::static_pointer_cast<SectionTracker>(childTracker);
			}
			else {
				section = std::make_shared<SectionTracker>(nameAndLocation, ctx, &currentTracker);
				currentTracker.addChild(section);
			}
			if (!ctx.completedCycle())
				section->tryOpen();
			return *section;
		}

		void SectionTracker::tryOpen() {
			if (!isComplete() && (m_filters.empty() || m_filters[0].empty() || m_filters[0] == m_nameAndLocation.name))
				open();
		}

		void SectionTracker::addInitialFilters(std::vector<std::string> const& filters) {
			if (!filters.empty()) {
				m_filters.push_back(""); // Root - should never be consulted
				m_filters.push_back(""); // Test Case - not a section filter
				m_filters.insert(m_filters.end(), filters.begin(), filters.end());
			}
		}
		void SectionTracker::addNextFilters(std::vector<std::string> const& filters) {
			if (filters.size() > 1)
				m_filters.insert(m_filters.end(), ++filters.begin(), filters.end());
		}

		IndexTracker::IndexTracker(NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent, int size)
			: TrackerBase(nameAndLocation, ctx, parent),
			m_size(size)
		{}

		bool IndexTracker::isIndexTracker() const { return true; }

		IndexTracker& IndexTracker::acquire(TrackerContext& ctx, NameAndLocation const& nameAndLocation, int size) {
			std::shared_ptr<IndexTracker> tracker;

			ITracker& currentTracker = ctx.currentTracker();
			if (ITrackerPtr childTracker = currentTracker.findChild(nameAndLocation)) {
				assert(childTracker);
				assert(childTracker->isIndexTracker());
				tracker = std::static_pointer_cast<IndexTracker>(childTracker);
			}
			else {
				tracker = std::make_shared<IndexTracker>(nameAndLocation, ctx, &currentTracker, size);
				currentTracker.addChild(tracker);
			}

			if (!ctx.completedCycle() && !tracker->isComplete()) {
				if (tracker->m_runState != ExecutingChildren && tracker->m_runState != NeedsAnotherRun)
					tracker->moveNext();
				tracker->open();
			}

			return *tracker;
		}

		int IndexTracker::index() const { return m_index; }

		void IndexTracker::moveNext() {
			m_index++;
			m_children.clear();
		}

		void IndexTracker::close() {
			TrackerBase::close();
			if (m_runState == CompletedSuccessfully && m_index < m_size - 1)
				m_runState = Executing;
		}

	} // namespace TestCaseTracking

	using TestCaseTracking::ITracker;
	using TestCaseTracking::TrackerContext;
	using TestCaseTracking::SectionTracker;
	using TestCaseTracking::IndexTracker;

} // namespace Catch

#if defined(__clang__)
#    pragma clang diagnostic pop
#endif
  // end catch_test_case_tracker.cpp
  // start catch_test_registry.cpp

namespace Catch {

	auto makeTestInvoker(void(*testAsFunction)()) noexcept -> ITestInvoker* {
		return new(std::nothrow) TestInvokerAsFunction(testAsFunction);
	}

	NameAndTags::NameAndTags(StringRef const& name_, StringRef const& tags_) noexcept : name(name_), tags(tags_) {}

	AutoReg::AutoReg(ITestInvoker* invoker, SourceLineInfo const& lineInfo, StringRef const& classOrMethod, NameAndTags const& nameAndTags) noexcept {
		try {
			getMutableRegistryHub()
				.registerTest(
					makeTestCase(
						invoker,
						extractClassName(classOrMethod),
						nameAndTags,
						lineInfo));
		}
		catch (...) {
			// Do not throw when constructing global objects, instead register the exception to be processed later
			getMutableRegistryHub().registerStartupException();
		}
	}

	AutoReg::~AutoReg() = default;
}
// end catch_test_registry.cpp
// start catch_test_spec.cpp

#include <algorithm>
#include <string>
#include <vector>
#include <memory>

namespace Catch {

	TestSpec::Pattern::~Pattern() = default;
	TestSpec::NamePattern::~NamePattern() = default;
	TestSpec::TagPattern::~TagPattern() = default;
	TestSpec::ExcludedPattern::~ExcludedPattern() = default;

	TestSpec::NamePattern::NamePattern(std::string const& name)
		: m_wildcardPattern(toLower(name), CaseSensitive::No)
	{}
	bool TestSpec::NamePattern::matches(TestCaseInfo const& testCase) const {
		return m_wildcardPattern.matches(toLower(testCase.name));
	}

	TestSpec::TagPattern::TagPattern(std::string const& tag) : m_tag(toLower(tag)) {}
	bool TestSpec::TagPattern::matches(TestCaseInfo const& testCase) const {
		return std::find(begin(testCase.lcaseTags),
			end(testCase.lcaseTags),
			m_tag) != end(testCase.lcaseTags);
	}

	TestSpec::ExcludedPattern::ExcludedPattern(PatternPtr const& underlyingPattern) : m_underlyingPattern(underlyingPattern) {}
	bool TestSpec::ExcludedPattern::matches(TestCaseInfo const& testCase) const { return !m_underlyingPattern->matches(testCase); }

	bool TestSpec::Filter::matches(TestCaseInfo const& testCase) const {
		// All patterns in a filter must match for the filter to be a match
		for (auto const& pattern : m_patterns) {
			if (!pattern->matches(testCase))
				return false;
		}
		return true;
	}

	bool TestSpec::hasFilters() const {
		return !m_filters.empty();
	}
	bool TestSpec::matches(TestCaseInfo const& testCase) const {
		// A TestSpec matches if any filter matches
		for (auto const& filter : m_filters)
			if (filter.matches(testCase))
				return true;
		return false;
	}
}
// end catch_test_spec.cpp
// start catch_test_spec_parser.cpp

namespace Catch {

	TestSpecParser::TestSpecParser(ITagAliasRegistry const& tagAliases) : m_tagAliases(&tagAliases) {}

	TestSpecParser& TestSpecParser::parse(std::string const& arg) {
		m_mode = None;
		m_exclusion = false;
		m_start = std::string::npos;
		m_arg = m_tagAliases->expandAliases(arg);
		m_escapeChars.clear();
		for (m_pos = 0; m_pos < m_arg.size(); ++m_pos)
			visitChar(m_arg[m_pos]);
		if (m_mode == Name)
			addPattern<TestSpec::NamePattern>();
		return *this;
	}
	TestSpec TestSpecParser::testSpec() {
		addFilter();
		return m_testSpec;
	}

	void TestSpecParser::visitChar(char c) {
		if (m_mode == None) {
			switch (c) {
			case ' ': return;
			case '~': m_exclusion = true; return;
			case '[': return startNewMode(Tag, ++m_pos);
			case '"': return startNewMode(QuotedName, ++m_pos);
			case '\\': return escape();
			default: startNewMode(Name, m_pos); break;
			}
		}
		if (m_mode == Name) {
			if (c == ',') {
				addPattern<TestSpec::NamePattern>();
				addFilter();
			}
			else if (c == '[') {
				if (subString() == "exclude:")
					m_exclusion = true;
				else
					addPattern<TestSpec::NamePattern>();
				startNewMode(Tag, ++m_pos);
			}
			else if (c == '\\')
				escape();
		}
		else if (m_mode == EscapedName)
			m_mode = Name;
		else if (m_mode == QuotedName && c == '"')
			addPattern<TestSpec::NamePattern>();
		else if (m_mode == Tag && c == ']')
			addPattern<TestSpec::TagPattern>();
	}
	void TestSpecParser::startNewMode(Mode mode, std::size_t start) {
		m_mode = mode;
		m_start = start;
	}
	void TestSpecParser::escape() {
		if (m_mode == None)
			m_start = m_pos;
		m_mode = EscapedName;
		m_escapeChars.push_back(m_pos);
	}
	std::string TestSpecParser::subString() const { return m_arg.substr(m_start, m_pos - m_start); }

	void TestSpecParser::addFilter() {
		if (!m_currentFilter.m_patterns.empty()) {
			m_testSpec.m_filters.push_back(m_currentFilter);
			m_currentFilter = TestSpec::Filter();
		}
	}

	TestSpec parseTestSpec(std::string const& arg) {
		return TestSpecParser(ITagAliasRegistry::get()).parse(arg).testSpec();
	}

} // namespace Catch
  // end catch_test_spec_parser.cpp
  // start catch_timer.cpp

#include <chrono>

static const uint64_t nanosecondsInSecond = 1000000000;

namespace Catch {

	auto getCurrentNanosecondsSinceEpoch() -> uint64_t {
		return std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::high_resolution_clock::now().time_since_epoch()).count();
	}

	auto estimateClockResolution() -> uint64_t {
		uint64_t sum = 0;
		static const uint64_t iterations = 1000000;

		auto startTime = getCurrentNanosecondsSinceEpoch();

		for (std::size_t i = 0; i < iterations; ++i) {

			uint64_t ticks;
			uint64_t baseTicks = getCurrentNanosecondsSinceEpoch();
			do {
				ticks = getCurrentNanosecondsSinceEpoch();
			} while (ticks == baseTicks);

			auto delta = ticks - baseTicks;
			sum += delta;

			// If we have been calibrating for over 3 seconds -- the clock
			// is terrible and we should move on.
			// TBD: How to signal that the measured resolution is probably wrong?
			if (ticks > startTime + 3 * nanosecondsInSecond) {
				return sum / i;
			}
		}

		// We're just taking the mean, here. To do better we could take the std. dev and exclude outliers
		// - and potentially do more iterations if there's a high variance.
		return sum / iterations;
	}
	auto getEstimatedClockResolution() -> uint64_t {
		static auto s_resolution = estimateClockResolution();
		return s_resolution;
	}

	void Timer::start() {
		m_nanoseconds = getCurrentNanosecondsSinceEpoch();
	}
	auto Timer::getElapsedNanoseconds() const -> uint64_t {
		return getCurrentNanosecondsSinceEpoch() - m_nanoseconds;
	}
	auto Timer::getElapsedMicroseconds() const -> uint64_t {
		return getElapsedNanoseconds() / 1000;
	}
	auto Timer::getElapsedMilliseconds() const -> unsigned int {
		return static_cast<unsigned int>(getElapsedMicroseconds() / 1000);
	}
	auto Timer::getElapsedSeconds() const -> double {
		return getElapsedMicroseconds() / 1000000.0;
	}

} // namespace Catch
  // end catch_timer.cpp
  // start catch_tostring.cpp

#if defined(__clang__)
#    pragma clang diagnostic push
#    pragma clang diagnostic ignored "-Wexit-time-destructors"
#    pragma clang diagnostic ignored "-Wglobal-constructors"
#endif

  // Enable specific decls locally
#if !defined(CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER)
#define CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER
#endif

#include <cmath>
#include <iomanip>

namespace Catch {

	namespace Detail {

		const std::string unprintableString = "{?}";

		namespace {
			const int hexThreshold = 255;

			struct Endianness {
				enum Arch { Big, Little };

				static Arch which() {
					union _ {
						int asInt;
						char asChar[sizeof(int)];
					} u;

					u.asInt = 1;
					return (u.asChar[sizeof(int) - 1] == 1) ? Big : Little;
				}
			};
		}

		std::string rawMemoryToString(const void *object, std::size_t size) {
			// Reverse order for little endian architectures
			int i = 0, end = static_cast<int>(size), inc = 1;
			if (Endianness::which() == Endianness::Little) {
				i = end - 1;
				end = inc = -1;
			}

			unsigned char const *bytes = static_cast<unsigned char const *>(object);
			ReusableStringStream rss;
			rss << "0x" << std::setfill('0') << std::hex;
			for (; i != end; i += inc)
				rss << std::setw(2) << static_cast<unsigned>(bytes[i]);
			return rss.str();
		}
	}

	template<typename T>
	std::string fpToString(T value, int precision) {
		if (std::isnan(value)) {
			return "nan";
		}

		ReusableStringStream rss;
		rss << std::setprecision(precision)
			<< std::fixed
			<< value;
		std::string d = rss.str();
		std::size_t i = d.find_last_not_of('0');
		if (i != std::string::npos && i != d.size() - 1) {
			if (d[i] == '.')
				i++;
			d = d.substr(0, i + 1);
		}
		return d;
	}

	//// ======================================================= ////
	//
	//   Out-of-line defs for full specialization of StringMaker
	//
	//// ======================================================= ////

	std::string StringMaker<std::string>::convert(const std::string& str) {
		if (!getCurrentContext().getConfig()->showInvisibles()) {
			return '"' + str + '"';
		}

		std::string s("\"");
		for (char c : str) {
			switch (c) {
			case '\n':
				s.append("\\n");
				break;
			case '\t':
				s.append("\\t");
				break;
			default:
				s.push_back(c);
				break;
			}
		}
		s.append("\"");
		return s;
	}

#ifdef CATCH_CONFIG_WCHAR
	std::string StringMaker<std::wstring>::convert(const std::wstring& wstr) {
		std::string s;
		s.reserve(wstr.size());
		for (auto c : wstr) {
			s += (c <= 0xff) ? static_cast<char>(c) : '?';
		}
		return ::Catch::Detail::stringify(s);
	}
#endif

	std::string StringMaker<char const*>::convert(char const* str) {
		if (str) {
			return ::Catch::Detail::stringify(std::string{ str });
		}
		else {
			return{ "{null string}" };
		}
	}
	std::string StringMaker<char*>::convert(char* str) {
		if (str) {
			return ::Catch::Detail::stringify(std::string{ str });
		}
		else {
			return{ "{null string}" };
		}
	}
#ifdef CATCH_CONFIG_WCHAR
	std::string StringMaker<wchar_t const*>::convert(wchar_t const * str) {
		if (str) {
			return ::Catch::Detail::stringify(std::wstring{ str });
		}
		else {
			return{ "{null string}" };
		}
	}
	std::string StringMaker<wchar_t *>::convert(wchar_t * str) {
		if (str) {
			return ::Catch::Detail::stringify(std::wstring{ str });
		}
		else {
			return{ "{null string}" };
		}
	}
#endif

	std::string StringMaker<int>::convert(int value) {
		return ::Catch::Detail::stringify(static_cast<long long>(value));
	}
	std::string StringMaker<long>::convert(long value) {
		return ::Catch::Detail::stringify(static_cast<long long>(value));
	}
	std::string StringMaker<long long>::convert(long long value) {
		ReusableStringStream rss;
		rss << value;
		if (value > Detail::hexThreshold) {
			rss << " (0x" << std::hex << value << ')';
		}
		return rss.str();
	}

	std::string StringMaker<unsigned int>::convert(unsigned int value) {
		return ::Catch::Detail::stringify(static_cast<unsigned long long>(value));
	}
	std::string StringMaker<unsigned long>::convert(unsigned long value) {
		return ::Catch::Detail::stringify(static_cast<unsigned long long>(value));
	}
	std::string StringMaker<unsigned long long>::convert(unsigned long long value) {
		ReusableStringStream rss;
		rss << value;
		if (value > Detail::hexThreshold) {
			rss << " (0x" << std::hex << value << ')';
		}
		return rss.str();
	}

	std::string StringMaker<bool>::convert(bool b) {
		return b ? "true" : "false";
	}

	std::string StringMaker<char>::convert(char value) {
		if (value == '\r') {
			return "'\\r'";
		}
		else if (value == '\f') {
			return "'\\f'";
		}
		else if (value == '\n') {
			return "'\\n'";
		}
		else if (value == '\t') {
			return "'\\t'";
		}
		else if ('\0' <= value && value < ' ') {
			return ::Catch::Detail::stringify(static_cast<unsigned int>(value));
		}
		else {
			char chstr[] = "' '";
			chstr[1] = value;
			return chstr;
		}
	}
	std::string StringMaker<signed char>::convert(signed char c) {
		return ::Catch::Detail::stringify(static_cast<char>(c));
	}
	std::string StringMaker<unsigned char>::convert(unsigned char c) {
		return ::Catch::Detail::stringify(static_cast<char>(c));
	}

	std::string StringMaker<std::nullptr_t>::convert(std::nullptr_t) {
		return "nullptr";
	}

	std::string StringMaker<float>::convert(float value) {
		return fpToString(value, 5) + 'f';
	}
	std::string StringMaker<double>::convert(double value) {
		return fpToString(value, 10);
	}

	std::string ratio_string<std::atto>::symbol() { return "a"; }
	std::string ratio_string<std::femto>::symbol() { return "f"; }
	std::string  ratio_string<std::pico>::symbol() { return "p"; }
	std::string  ratio_string<std::nano>::symbol() { return "n"; }
	std::string ratio_string<std::micro>::symbol() { return "u"; }
	std::string ratio_string<std::milli>::symbol() { return "m"; }

} // end namespace Catch

#if defined(__clang__)
#    pragma clang diagnostic pop
#endif

  // end catch_tostring.cpp
  // start catch_totals.cpp

namespace Catch {

	Counts Counts::operator - (Counts const& other) const {
		Counts diff;
		diff.passed = passed - other.passed;
		diff.failed = failed - other.failed;
		diff.failedButOk = failedButOk - other.failedButOk;
		return diff;
	}

	Counts& Counts::operator += (Counts const& other) {
		passed += other.passed;
		failed += other.failed;
		failedButOk += other.failedButOk;
		return *this;
	}

	std::size_t Counts::total() const {
		return passed + failed + failedButOk;
	}
	bool Counts::allPassed() const {
		return failed == 0 && failedButOk == 0;
	}
	bool Counts::allOk() const {
		return failed == 0;
	}

	Totals Totals::operator - (Totals const& other) const {
		Totals diff;
		diff.assertions = assertions - other.assertions;
		diff.testCases = testCases - other.testCases;
		return diff;
	}

	Totals& Totals::operator += (Totals const& other) {
		assertions += other.assertions;
		testCases += other.testCases;
		return *this;
	}

	Totals Totals::delta(Totals const& prevTotals) const {
		Totals diff = *this - prevTotals;
		if (diff.assertions.failed > 0)
			++diff.testCases.failed;
		else if (diff.assertions.failedButOk > 0)
			++diff.testCases.failedButOk;
		else
			++diff.testCases.passed;
		return diff;
	}

}
// end catch_totals.cpp
// start catch_uncaught_exceptions.cpp

#include <exception>

namespace Catch {
	bool uncaught_exceptions() {
#if defined(CATCH_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS)
		return std::uncaught_exceptions() > 0;
#else
		return std::uncaught_exception();
#endif
	}
} // end namespace Catch
  // end catch_uncaught_exceptions.cpp
  // start catch_version.cpp

#include <ostream>

namespace Catch {

	Version::Version
	(unsigned int _majorVersion,
		unsigned int _minorVersion,
		unsigned int _patchNumber,
		char const * const _branchName,
		unsigned int _buildNumber)
		: majorVersion(_majorVersion),
		minorVersion(_minorVersion),
		patchNumber(_patchNumber),
		branchName(_branchName),
		buildNumber(_buildNumber)
	{}

	std::ostream& operator << (std::ostream& os, Version const& version) {
		os << version.majorVersion << '.'
			<< version.minorVersion << '.'
			<< version.patchNumber;
		// branchName is never null -> 0th char is \0 if it is empty
		if (version.branchName[0]) {
			os << '-' << version.branchName
				<< '.' << version.buildNumber;
		}
		return os;
	}

	Version const& libraryVersion() {
		static Version version(2, 2, 2, "", 0);
		return version;
	}

}
// end catch_version.cpp
// start catch_wildcard_pattern.cpp

#include <sstream>

namespace Catch {

	WildcardPattern::WildcardPattern(std::string const& pattern,
		CaseSensitive::Choice caseSensitivity)
		: m_caseSensitivity(caseSensitivity),
		m_pattern(adjustCase(pattern))
	{
		if (startsWith(m_pattern, '*')) {
			m_pattern = m_pattern.substr(1);
			m_wildcard = WildcardAtStart;
		}
		if (endsWith(m_pattern, '*')) {
			m_pattern = m_pattern.substr(0, m_pattern.size() - 1);
			m_wildcard = static_cast<WildcardPosition>(m_wildcard | WildcardAtEnd);
		}
	}

	bool WildcardPattern::matches(std::string const& str) const {
		switch (m_wildcard) {
		case NoWildcard:
			return m_pattern == adjustCase(str);
		case WildcardAtStart:
			return endsWith(adjustCase(str), m_pattern);
		case WildcardAtEnd:
			return startsWith(adjustCase(str), m_pattern);
		case WildcardAtBothEnds:
			return contains(adjustCase(str), m_pattern);
		default:
			CATCH_INTERNAL_ERROR("Unknown enum");
		}
	}

	std::string WildcardPattern::adjustCase(std::string const& str) const {
		return m_caseSensitivity == CaseSensitive::No ? toLower(str) : str;
	}
}
// end catch_wildcard_pattern.cpp
// start catch_xmlwriter.cpp

#include <iomanip>

using uchar = unsigned char;

namespace Catch {

	namespace {

		size_t trailingBytes(unsigned char c) {
			if ((c & 0xE0) == 0xC0) {
				return 2;
			}
			if ((c & 0xF0) == 0xE0) {
				return 3;
			}
			if ((c & 0xF8) == 0xF0) {
				return 4;
			}
			CATCH_INTERNAL_ERROR("Invalid multibyte utf-8 start byte encountered");
		}

		uint32_t headerValue(unsigned char c) {
			if ((c & 0xE0) == 0xC0) {
				return c & 0x1F;
			}
			if ((c & 0xF0) == 0xE0) {
				return c & 0x0F;
			}
			if ((c & 0xF8) == 0xF0) {
				return c & 0x07;
			}
			CATCH_INTERNAL_ERROR("Invalid multibyte utf-8 start byte encountered");
		}

		void hexEscapeChar(std::ostream& os, unsigned char c) {
			os << "\\x"
				<< std::uppercase << std::hex << std::setfill('0') << std::setw(2)
				<< static_cast<int>(c);
		}

	} // anonymous namespace

	XmlEncode::XmlEncode(std::string const& str, ForWhat forWhat)
		: m_str(str),
		m_forWhat(forWhat)
	{}

	void XmlEncode::encodeTo(std::ostream& os) const {
		// Apostrophe escaping not necessary if we always use " to write attributes
		// (see: http://www.w3.org/TR/xml/#syntax)

		for (std::size_t idx = 0; idx < m_str.size(); ++idx) {
			uchar c = m_str[idx];
			switch (c) {
			case '<':   os << "&lt;"; break;
			case '&':   os << "&amp;"; break;

			case '>':
				// See: http://www.w3.org/TR/xml/#syntax
				if (idx > 2 && m_str[idx - 1] == ']' && m_str[idx - 2] == ']')
					os << "&gt;";
				else
					os << c;
				break;

			case '\"':
				if (m_forWhat == ForAttributes)
					os << "&quot;";
				else
					os << c;
				break;

			default:
				// Check for control characters and invalid utf-8

				// Escape control characters in standard ascii
				// see http://stackoverflow.com/questions/404107/why-are-control-characters-illegal-in-xml-1-0
				if (c < 0x09 || (c > 0x0D && c < 0x20) || c == 0x7F) {
					hexEscapeChar(os, c);
					break;
				}

				// Plain ASCII: Write it to stream
				if (c < 0x7F) {
					os << c;
					break;
				}

				// UTF-8 territory
				// Check if the encoding is valid and if it is not, hex escape bytes.
				// Important: We do not check the exact decoded values for validity, only the encoding format
				// First check that this bytes is a valid lead byte:
				// This means that it is not encoded as 1111 1XXX
				// Or as 10XX XXXX
				if (c <  0xC0 ||
					c >= 0xF8) {
					hexEscapeChar(os, c);
					break;
				}

				auto encBytes = trailingBytes(c);
				// Are there enough bytes left to avoid accessing out-of-bounds memory?
				if (idx + encBytes - 1 >= m_str.size()) {
					hexEscapeChar(os, c);
					break;
				}
				// The header is valid, check data
				// The next encBytes bytes must together be a valid utf-8
				// This means: bitpattern 10XX XXXX and the extracted value is sane (ish)
				bool valid = true;
				uint32_t value = headerValue(c);
				for (std::size_t n = 1; n < encBytes; ++n) {
					uchar nc = m_str[idx + n];
					valid &= ((nc & 0xC0) == 0x80);
					value = (value << 6) | (nc & 0x3F);
				}

				if (
					// Wrong bit pattern of following bytes
					(!valid) ||
					// Overlong encodings
					(value < 0x80) ||
					(0x80 <= value && value < 0x800 && encBytes > 2) ||
					(0x800 < value && value < 0x10000 && encBytes > 3) ||
					// Encoded value out of range
					(value >= 0x110000)
					) {
					hexEscapeChar(os, c);
					break;
				}

				// If we got here, this is in fact a valid(ish) utf-8 sequence
				for (std::size_t n = 0; n < encBytes; ++n) {
					os << m_str[idx + n];
				}
				idx += encBytes - 1;
				break;
			}
		}
	}

	std::ostream& operator << (std::ostream& os, XmlEncode const& xmlEncode) {
		xmlEncode.encodeTo(os);
		return os;
	}

	XmlWriter::ScopedElement::ScopedElement(XmlWriter* writer)
		: m_writer(writer)
	{}

	XmlWriter::ScopedElement::ScopedElement(ScopedElement&& other) noexcept
		: m_writer(other.m_writer) {
		other.m_writer = nullptr;
	}
	XmlWriter::ScopedElement& XmlWriter::ScopedElement::operator=(ScopedElement&& other) noexcept {
		if (m_writer) {
			m_writer->endElement();
		}
		m_writer = other.m_writer;
		other.m_writer = nullptr;
		return *this;
	}

	XmlWriter::ScopedElement::~ScopedElement() {
		if (m_writer)
			m_writer->endElement();
	}

	XmlWriter::ScopedElement& XmlWriter::ScopedElement::writeText(std::string const& text, bool indent) {
		m_writer->writeText(text, indent);
		return *this;
	}

	XmlWriter::XmlWriter(std::ostream& os) : m_os(os)
	{
		writeDeclaration();
	}

	XmlWriter::~XmlWriter() {
		while (!m_tags.empty())
			endElement();
	}

	XmlWriter& XmlWriter::startElement(std::string const& name) {
		ensureTagClosed();
		newlineIfNecessary();
		m_os << m_indent << '<' << name;
		m_tags.push_back(name);
		m_indent += "  ";
		m_tagIsOpen = true;
		return *this;
	}

	XmlWriter::ScopedElement XmlWriter::scopedElement(std::string const& name) {
		ScopedElement scoped(this);
		startElement(name);
		return scoped;
	}

	XmlWriter& XmlWriter::endElement() {
		newlineIfNecessary();
		m_indent = m_indent.substr(0, m_indent.size() - 2);
		if (m_tagIsOpen) {
			m_os << "/>";
			m_tagIsOpen = false;
		}
		else {
			m_os << m_indent << "</" << m_tags.back() << ">";
		}
		m_os << std::endl;
		m_tags.pop_back();
		return *this;
	}

	XmlWriter& XmlWriter::writeAttribute(std::string const& name, std::string const& attribute) {
		if (!name.empty() && !attribute.empty())
			m_os << ' ' << name << "=\"" << XmlEncode(attribute, XmlEncode::ForAttributes) << '"';
		return *this;
	}

	XmlWriter& XmlWriter::writeAttribute(std::string const& name, bool attribute) {
		m_os << ' ' << name << "=\"" << (attribute ? "true" : "false") << '"';
		return *this;
	}

	XmlWriter& XmlWriter::writeText(std::string const& text, bool indent) {
		if (!text.empty()) {
			bool tagWasOpen = m_tagIsOpen;
			ensureTagClosed();
			if (tagWasOpen && indent)
				m_os << m_indent;
			m_os << XmlEncode(text);
			m_needsNewline = true;
		}
		return *this;
	}

	XmlWriter& XmlWriter::writeComment(std::string const& text) {
		ensureTagClosed();
		m_os << m_indent << "<!--" << text << "-->";
		m_needsNewline = true;
		return *this;
	}

	void XmlWriter::writeStylesheetRef(std::string const& url) {
		m_os << "<?xml-stylesheet type=\"text/xsl\" href=\"" << url << "\"?>\n";
	}

	XmlWriter& XmlWriter::writeBlankLine() {
		ensureTagClosed();
		m_os << '\n';
		return *this;
	}

	void XmlWriter::ensureTagClosed() {
		if (m_tagIsOpen) {
			m_os << ">" << std::endl;
			m_tagIsOpen = false;
		}
	}

	void XmlWriter::writeDeclaration() {
		m_os << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
	}

	void XmlWriter::newlineIfNecessary() {
		if (m_needsNewline) {
			m_os << std::endl;
			m_needsNewline = false;
		}
	}
}
// end catch_xmlwriter.cpp
// start catch_reporter_bases.cpp

#include <cstring>
#include <cfloat>
#include <cstdio>
#include <assert.h>
#include <memory>

namespace Catch {
	void prepareExpandedExpression(AssertionResult& result) {
		result.getExpandedExpression();
	}

	// Because formatting using c++ streams is stateful, drop down to C is required
	// Alternatively we could use stringstream, but its performance is... not good.
	std::string getFormattedDuration(double duration) {
		// Max exponent + 1 is required to represent the whole part
		// + 1 for decimal point
		// + 3 for the 3 decimal places
		// + 1 for null terminator
		const std::size_t maxDoubleSize = DBL_MAX_10_EXP + 1 + 1 + 3 + 1;
		char buffer[maxDoubleSize];

		// Save previous errno, to prevent sprintf from overwriting it
		ErrnoGuard guard;
#ifdef _MSC_VER
		sprintf_s(buffer, "%.3f", duration);
#else
		sprintf(buffer, "%.3f", duration);
#endif
		return std::string(buffer);
	}

	TestEventListenerBase::TestEventListenerBase(ReporterConfig const & _config)
		:StreamingReporterBase(_config) {}

	void TestEventListenerBase::assertionStarting(AssertionInfo const &) {}

	bool TestEventListenerBase::assertionEnded(AssertionStats const &) {
		return false;
	}

} // end namespace Catch
  // end catch_reporter_bases.cpp
  // start catch_reporter_compact.cpp

namespace {

#ifdef CATCH_PLATFORM_MAC
	const char* failedString() { return "FAILED"; }
	const char* passedString() { return "PASSED"; }
#else
	const char* failedString() { return "failed"; }
	const char* passedString() { return "passed"; }
#endif

	// Colour::LightGrey
	Catch::Colour::Code dimColour() { return Catch::Colour::FileName; }

	std::string bothOrAll(std::size_t count) {
		return count == 1 ? std::string() :
			count == 2 ? "both " : "all ";
	}

} // anon namespace

namespace Catch {
	namespace {
		// Colour, message variants:
		// - white: No tests ran.
		// -   red: Failed [both/all] N test cases, failed [both/all] M assertions.
		// - white: Passed [both/all] N test cases (no assertions).
		// -   red: Failed N tests cases, failed M assertions.
		// - green: Passed [both/all] N tests cases with M assertions.
		void printTotals(std::ostream& out, const Totals& totals) {
			if (totals.testCases.total() == 0) {
				out << "No tests ran.";
			}
			else if (totals.testCases.failed == totals.testCases.total()) {
				Colour colour(Colour::ResultError);
				const std::string qualify_assertions_failed =
					totals.assertions.failed == totals.assertions.total() ?
					bothOrAll(totals.assertions.failed) : std::string();
				out <<
					"Failed " << bothOrAll(totals.testCases.failed)
					<< pluralise(totals.testCases.failed, "test case") << ", "
					"failed " << qualify_assertions_failed <<
					pluralise(totals.assertions.failed, "assertion") << '.';
			}
			else if (totals.assertions.total() == 0) {
				out <<
					"Passed " << bothOrAll(totals.testCases.total())
					<< pluralise(totals.testCases.total(), "test case")
					<< " (no assertions).";
			}
			else if (totals.assertions.failed) {
				Colour colour(Colour::ResultError);
				out <<
					"Failed " << pluralise(totals.testCases.failed, "test case") << ", "
					"failed " << pluralise(totals.assertions.failed, "assertion") << '.';
			}
			else {
				Colour colour(Colour::ResultSuccess);
				out <<
					"Passed " << bothOrAll(totals.testCases.passed)
					<< pluralise(totals.testCases.passed, "test case") <<
					" with " << pluralise(totals.assertions.passed, "assertion") << '.';
			}
		}

		// Implementation of CompactReporter formatting
		class AssertionPrinter {
		public:
			AssertionPrinter & operator= (AssertionPrinter const&) = delete;
			AssertionPrinter(AssertionPrinter const&) = delete;
			AssertionPrinter(std::ostream& _stream, AssertionStats const& _stats, bool _printInfoMessages)
				: stream(_stream)
				, result(_stats.assertionResult)
				, messages(_stats.infoMessages)
				, itMessage(_stats.infoMessages.begin())
				, printInfoMessages(_printInfoMessages) {}

			void print() {
				printSourceInfo();

				itMessage = messages.begin();

				switch (result.getResultType()) {
				case ResultWas::Ok:
					printResultType(Colour::ResultSuccess, passedString());
					printOriginalExpression();
					printReconstructedExpression();
					if (!result.hasExpression())
						printRemainingMessages(Colour::None);
					else
						printRemainingMessages();
					break;
				case ResultWas::ExpressionFailed:
					if (result.isOk())
						printResultType(Colour::ResultSuccess, failedString() + std::string(" - but was ok"));
					else
						printResultType(Colour::Error, failedString());
					printOriginalExpression();
					printReconstructedExpression();
					printRemainingMessages();
					break;
				case ResultWas::ThrewException:
					printResultType(Colour::Error, failedString());
					printIssue("unexpected exception with message:");
					printMessage();
					printExpressionWas();
					printRemainingMessages();
					break;
				case ResultWas::FatalErrorCondition:
					printResultType(Colour::Error, failedString());
					printIssue("fatal error condition with message:");
					printMessage();
					printExpressionWas();
					printRemainingMessages();
					break;
				case ResultWas::DidntThrowException:
					printResultType(Colour::Error, failedString());
					printIssue("expected exception, got none");
					printExpressionWas();
					printRemainingMessages();
					break;
				case ResultWas::Info:
					printResultType(Colour::None, "info");
					printMessage();
					printRemainingMessages();
					break;
				case ResultWas::Warning:
					printResultType(Colour::None, "warning");
					printMessage();
					printRemainingMessages();
					break;
				case ResultWas::ExplicitFailure:
					printResultType(Colour::Error, failedString());
					printIssue("explicitly");
					printRemainingMessages(Colour::None);
					break;
					// These cases are here to prevent compiler warnings
				case ResultWas::Unknown:
				case ResultWas::FailureBit:
				case ResultWas::Exception:
					printResultType(Colour::Error, "** internal error **");
					break;
				}
			}

		private:
			void printSourceInfo() const {
				Colour colourGuard(Colour::FileName);
				stream << result.getSourceInfo() << ':';
			}

			void printResultType(Colour::Code colour, std::string const& passOrFail) const {
				if (!passOrFail.empty()) {
					{
						Colour colourGuard(colour);
						stream << ' ' << passOrFail;
					}
					stream << ':';
				}
			}

			void printIssue(std::string const& issue) const {
				stream << ' ' << issue;
			}

			void printExpressionWas() {
				if (result.hasExpression()) {
					stream << ';';
					{
						Colour colour(dimColour());
						stream << " expression was:";
					}
					printOriginalExpression();
				}
			}

			void printOriginalExpression() const {
				if (result.hasExpression()) {
					stream << ' ' << result.getExpression();
				}
			}

			void printReconstructedExpression() const {
				if (result.hasExpandedExpression()) {
					{
						Colour colour(dimColour());
						stream << " for: ";
					}
					stream << result.getExpandedExpression();
				}
			}

			void printMessage() {
				if (itMessage != messages.end()) {
					stream << " '" << itMessage->message << '\'';
					++itMessage;
				}
			}

			void printRemainingMessages(Colour::Code colour = dimColour()) {
				if (itMessage == messages.end())
					return;

				// using messages.end() directly yields (or auto) compilation error:
				std::vector<MessageInfo>::const_iterator itEnd = messages.end();
				const std::size_t N = static_cast<std::size_t>(std::distance(itMessage, itEnd));

				{
					Colour colourGuard(colour);
					stream << " with " << pluralise(N, "message") << ':';
				}

				for (; itMessage != itEnd; ) {
					// If this assertion is a warning ignore any INFO messages
					if (printInfoMessages || itMessage->type != ResultWas::Info) {
						stream << " '" << itMessage->message << '\'';
						if (++itMessage != itEnd) {
							Colour colourGuard(dimColour());
							stream << " and";
						}
					}
				}
			}

		private:
			std::ostream& stream;
			AssertionResult const& result;
			std::vector<MessageInfo> messages;
			std::vector<MessageInfo>::const_iterator itMessage;
			bool printInfoMessages;
		};

	} // anon namespace

	std::string CompactReporter::getDescription() {
		return "Reports test results on a single line, suitable for IDEs";
	}

	ReporterPreferences CompactReporter::getPreferences() const {
		ReporterPreferences prefs;
		prefs.shouldRedirectStdOut = false;
		return prefs;
	}

	void CompactReporter::noMatchingTestCases(std::string const& spec) {
		stream << "No test cases matched '" << spec << '\'' << std::endl;
	}

	void CompactReporter::assertionStarting(AssertionInfo const&) {}

	bool CompactReporter::assertionEnded(AssertionStats const& _assertionStats) {
		AssertionResult const& result = _assertionStats.assertionResult;

		bool printInfoMessages = true;

		// Drop out if result was successful and we're not printing those
		if (!m_config->includeSuccessfulResults() && result.isOk()) {
			if (result.getResultType() != ResultWas::Warning)
				return false;
			printInfoMessages = false;
		}

		AssertionPrinter printer(stream, _assertionStats, printInfoMessages);
		printer.print();

		stream << std::endl;
		return true;
	}

	void CompactReporter::sectionEnded(SectionStats const& _sectionStats) {
		if (m_config->showDurations() == ShowDurations::Always) {
			stream << getFormattedDuration(_sectionStats.durationInSeconds) << " s: " << _sectionStats.sectionInfo.name << std::endl;
		}
	}

	void CompactReporter::testRunEnded(TestRunStats const& _testRunStats) {
		printTotals(stream, _testRunStats.totals);
		stream << '\n' << std::endl;
		StreamingReporterBase::testRunEnded(_testRunStats);
	}

	CompactReporter::~CompactReporter() {}

	CATCH_REGISTER_REPORTER("compact", CompactReporter)

} // end namespace Catch
  // end catch_reporter_compact.cpp
  // start catch_reporter_console.cpp

#include <cfloat>
#include <cstdio>

#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable:4061) // Not all labels are EXPLICITLY handled in switch
  // Note that 4062 (not all labels are handled
  // and default is missing) is enabled
#endif

namespace Catch {

	namespace {

		// Formatter impl for ConsoleReporter
		class ConsoleAssertionPrinter {
		public:
			ConsoleAssertionPrinter & operator= (ConsoleAssertionPrinter const&) = delete;
			ConsoleAssertionPrinter(ConsoleAssertionPrinter const&) = delete;
			ConsoleAssertionPrinter(std::ostream& _stream, AssertionStats const& _stats, bool _printInfoMessages)
				: stream(_stream),
				stats(_stats),
				result(_stats.assertionResult),
				colour(Colour::None),
				message(result.getMessage()),
				messages(_stats.infoMessages),
				printInfoMessages(_printInfoMessages) {
				switch (result.getResultType()) {
				case ResultWas::Ok:
					colour = Colour::Success;
					passOrFail = "PASSED";
					//if( result.hasMessage() )
					if (_stats.infoMessages.size() == 1)
						messageLabel = "with message";
					if (_stats.infoMessages.size() > 1)
						messageLabel = "with messages";
					break;
				case ResultWas::ExpressionFailed:
					if (result.isOk()) {
						colour = Colour::Success;
						passOrFail = "FAILED - but was ok";
					}
					else {
						colour = Colour::Error;
						passOrFail = "FAILED";
					}
					if (_stats.infoMessages.size() == 1)
						messageLabel = "with message";
					if (_stats.infoMessages.size() > 1)
						messageLabel = "with messages";
					break;
				case ResultWas::ThrewException:
					colour = Colour::Error;
					passOrFail = "FAILED";
					messageLabel = "due to unexpected exception with ";
					if (_stats.infoMessages.size() == 1)
						messageLabel += "message";
					if (_stats.infoMessages.size() > 1)
						messageLabel += "messages";
					break;
				case ResultWas::FatalErrorCondition:
					colour = Colour::Error;
					passOrFail = "FAILED";
					messageLabel = "due to a fatal error condition";
					break;
				case ResultWas::DidntThrowException:
					colour = Colour::Error;
					passOrFail = "FAILED";
					messageLabel = "because no exception was thrown where one was expected";
					break;
				case ResultWas::Info:
					messageLabel = "info";
					break;
				case ResultWas::Warning:
					messageLabel = "warning";
					break;
				case ResultWas::ExplicitFailure:
					passOrFail = "FAILED";
					colour = Colour::Error;
					if (_stats.infoMessages.size() == 1)
						messageLabel = "explicitly with message";
					if (_stats.infoMessages.size() > 1)
						messageLabel = "explicitly with messages";
					break;
					// These cases are here to prevent compiler warnings
				case ResultWas::Unknown:
				case ResultWas::FailureBit:
				case ResultWas::Exception:
					passOrFail = "** internal error **";
					colour = Colour::Error;
					break;
				}
			}

			void print() const {
				printSourceInfo();
				if (stats.totals.assertions.total() > 0) {
					if (result.isOk())
						stream << '\n';
					printResultType();
					printOriginalExpression();
					printReconstructedExpression();
				}
				else {
					stream << '\n';
				}
				printMessage();
			}

		private:
			void printResultType() const {
				if (!passOrFail.empty()) {
					Colour colourGuard(colour);
					stream << passOrFail << ":\n";
				}
			}
			void printOriginalExpression() const {
				if (result.hasExpression()) {
					Colour colourGuard(Colour::OriginalExpression);
					stream << "  ";
					stream << result.getExpressionInMacro();
					stream << '\n';
				}
			}
			void printReconstructedExpression() const {
				if (result.hasExpandedExpression()) {
					stream << "with expansion:\n";
					Colour colourGuard(Colour::ReconstructedExpression);
					stream << Column(result.getExpandedExpression()).indent(2) << '\n';
				}
			}
			void printMessage() const {
				if (!messageLabel.empty())
					stream << messageLabel << ':' << '\n';
				for (auto const& msg : messages) {
					// If this assertion is a warning ignore any INFO messages
					if (printInfoMessages || msg.type != ResultWas::Info)
						stream << Column(msg.message).indent(2) << '\n';
				}
			}
			void printSourceInfo() const {
				Colour colourGuard(Colour::FileName);
				stream << result.getSourceInfo() << ": ";
			}

			std::ostream& stream;
			AssertionStats const& stats;
			AssertionResult const& result;
			Colour::Code colour;
			std::string passOrFail;
			std::string messageLabel;
			std::string message;
			std::vector<MessageInfo> messages;
			bool printInfoMessages;
		};

		std::size_t makeRatio(std::size_t number, std::size_t total) {
			std::size_t ratio = total > 0 ? CATCH_CONFIG_CONSOLE_WIDTH * number / total : 0;
			return (ratio == 0 && number > 0) ? 1 : ratio;
		}

		std::size_t& findMax(std::size_t& i, std::size_t& j, std::size_t& k) {
			if (i > j && i > k)
				return i;
			else if (j > k)
				return j;
			else
				return k;
		}

		struct ColumnInfo {
			enum Justification { Left, Right };
			std::string name;
			int width;
			Justification justification;
		};
		struct ColumnBreak {};
		struct RowBreak {};

		class Duration {
			enum class Unit {
				Auto,
				Nanoseconds,
				Microseconds,
				Milliseconds,
				Seconds,
				Minutes
			};
			static const uint64_t s_nanosecondsInAMicrosecond = 1000;
			static const uint64_t s_nanosecondsInAMillisecond = 1000 * s_nanosecondsInAMicrosecond;
			static const uint64_t s_nanosecondsInASecond = 1000 * s_nanosecondsInAMillisecond;
			static const uint64_t s_nanosecondsInAMinute = 60 * s_nanosecondsInASecond;

			uint64_t m_inNanoseconds;
			Unit m_units;

		public:
			explicit Duration(uint64_t inNanoseconds, Unit units = Unit::Auto)
				: m_inNanoseconds(inNanoseconds),
				m_units(units) {
				if (m_units == Unit::Auto) {
					if (m_inNanoseconds < s_nanosecondsInAMicrosecond)
						m_units = Unit::Nanoseconds;
					else if (m_inNanoseconds < s_nanosecondsInAMillisecond)
						m_units = Unit::Microseconds;
					else if (m_inNanoseconds < s_nanosecondsInASecond)
						m_units = Unit::Milliseconds;
					else if (m_inNanoseconds < s_nanosecondsInAMinute)
						m_units = Unit::Seconds;
					else
						m_units = Unit::Minutes;
				}

			}

			auto value() const -> double {
				switch (m_units) {
				case Unit::Microseconds:
					return m_inNanoseconds / static_cast<double>(s_nanosecondsInAMicrosecond);
				case Unit::Milliseconds:
					return m_inNanoseconds / static_cast<double>(s_nanosecondsInAMillisecond);
				case Unit::Seconds:
					return m_inNanoseconds / static_cast<double>(s_nanosecondsInASecond);
				case Unit::Minutes:
					return m_inNanoseconds / static_cast<double>(s_nanosecondsInAMinute);
				default:
					return static_cast<double>(m_inNanoseconds);
				}
			}
			auto unitsAsString() const -> std::string {
				switch (m_units) {
				case Unit::Nanoseconds:
					return "ns";
				case Unit::Microseconds:
					return "µs";
				case Unit::Milliseconds:
					return "ms";
				case Unit::Seconds:
					return "s";
				case Unit::Minutes:
					return "m";
				default:
					return "** internal error **";
				}

			}
			friend auto operator << (std::ostream& os, Duration const& duration) -> std::ostream& {
				return os << duration.value() << " " << duration.unitsAsString();
			}
		};
	} // end anon namespace

	class TablePrinter {
		std::ostream& m_os;
		std::vector<ColumnInfo> m_columnInfos;
		std::ostringstream m_oss;
		int m_currentColumn = -1;
		bool m_isOpen = false;

	public:
		TablePrinter(std::ostream& os, std::vector<ColumnInfo> columnInfos)
			: m_os(os),
			m_columnInfos(std::move(columnInfos)) {}

		auto columnInfos() const -> std::vector<ColumnInfo> const& {
			return m_columnInfos;
		}

		void open() {
			if (!m_isOpen) {
				m_isOpen = true;
				*this << RowBreak();
				for (auto const& info : m_columnInfos)
					*this << info.name << ColumnBreak();
				*this << RowBreak();
				m_os << Catch::getLineOfChars<'-'>() << "\n";
			}
		}
		void close() {
			if (m_isOpen) {
				*this << RowBreak();
				m_os << std::endl;
				m_isOpen = false;
			}
		}

		template<typename T>
		friend TablePrinter& operator << (TablePrinter& tp, T const& value) {
			tp.m_oss << value;
			return tp;
		}

		friend TablePrinter& operator << (TablePrinter& tp, ColumnBreak) {
			auto colStr = tp.m_oss.str();
			// This takes account of utf8 encodings
			auto strSize = Catch::StringRef(colStr).numberOfCharacters();
			tp.m_oss.str("");
			tp.open();
			if (tp.m_currentColumn == static_cast<int>(tp.m_columnInfos.size() - 1)) {
				tp.m_currentColumn = -1;
				tp.m_os << "\n";
			}
			tp.m_currentColumn++;

			auto colInfo = tp.m_columnInfos[tp.m_currentColumn];
			auto padding = (strSize + 2 < static_cast<std::size_t>(colInfo.width))
				? std::string(colInfo.width - (strSize + 2), ' ')
				: std::string();
			if (colInfo.justification == ColumnInfo::Left)
				tp.m_os << colStr << padding << " ";
			else
				tp.m_os << padding << colStr << " ";
			return tp;
		}

		friend TablePrinter& operator << (TablePrinter& tp, RowBreak) {
			if (tp.m_currentColumn > 0) {
				tp.m_os << "\n";
				tp.m_currentColumn = -1;
			}
			return tp;
		}
	};

	ConsoleReporter::ConsoleReporter(ReporterConfig const& config)
		: StreamingReporterBase(config),
		m_tablePrinter(new TablePrinter(config.stream(),
			{
				{ "benchmark name", CATCH_CONFIG_CONSOLE_WIDTH - 32, ColumnInfo::Left },
			{ "iters", 8, ColumnInfo::Right },
			{ "elapsed ns", 14, ColumnInfo::Right },
			{ "average", 14, ColumnInfo::Right }
			})) {}
	ConsoleReporter::~ConsoleReporter() = default;

	std::string ConsoleReporter::getDescription() {
		return "Reports test results as plain lines of text";
	}

	void ConsoleReporter::noMatchingTestCases(std::string const& spec) {
		stream << "No test cases matched '" << spec << '\'' << std::endl;
	}

	void ConsoleReporter::assertionStarting(AssertionInfo const&) {}

	bool ConsoleReporter::assertionEnded(AssertionStats const& _assertionStats) {
		AssertionResult const& result = _assertionStats.assertionResult;

		bool includeResults = m_config->includeSuccessfulResults() || !result.isOk();

		// Drop out if result was successful but we're not printing them.
		if (!includeResults && result.getResultType() != ResultWas::Warning)
			return false;

		lazyPrint();

		ConsoleAssertionPrinter printer(stream, _assertionStats, includeResults);
		printer.print();
		stream << std::endl;
		return true;
	}

	void ConsoleReporter::sectionStarting(SectionInfo const& _sectionInfo) {
		m_headerPrinted = false;
		StreamingReporterBase::sectionStarting(_sectionInfo);
	}
	void ConsoleReporter::sectionEnded(SectionStats const& _sectionStats) {
		m_tablePrinter->close();
		if (_sectionStats.missingAssertions) {
			lazyPrint();
			Colour colour(Colour::ResultError);
			if (m_sectionStack.size() > 1)
				stream << "\nNo assertions in section";
			else
				stream << "\nNo assertions in test case";
			stream << " '" << _sectionStats.sectionInfo.name << "'\n" << std::endl;
		}
		if (m_config->showDurations() == ShowDurations::Always) {
			stream << getFormattedDuration(_sectionStats.durationInSeconds) << " s: " << _sectionStats.sectionInfo.name << std::endl;
		}
		if (m_headerPrinted) {
			m_headerPrinted = false;
		}
		StreamingReporterBase::sectionEnded(_sectionStats);
	}

	void ConsoleReporter::benchmarkStarting(BenchmarkInfo const& info) {
		lazyPrintWithoutClosingBenchmarkTable();

		auto nameCol = Column(info.name).width(static_cast<std::size_t>(m_tablePrinter->columnInfos()[0].width - 2));

		bool firstLine = true;
		for (auto line : nameCol) {
			if (!firstLine)
				(*m_tablePrinter) << ColumnBreak() << ColumnBreak() << ColumnBreak();
			else
				firstLine = false;

			(*m_tablePrinter) << line << ColumnBreak();
		}
	}
	void ConsoleReporter::benchmarkEnded(BenchmarkStats const& stats) {
		Duration average(stats.elapsedTimeInNanoseconds / stats.iterations);
		(*m_tablePrinter)
			<< stats.iterations << ColumnBreak()
			<< stats.elapsedTimeInNanoseconds << ColumnBreak()
			<< average << ColumnBreak();
	}

	void ConsoleReporter::testCaseEnded(TestCaseStats const& _testCaseStats) {
		m_tablePrinter->close();
		StreamingReporterBase::testCaseEnded(_testCaseStats);
		m_headerPrinted = false;
	}
	void ConsoleReporter::testGroupEnded(TestGroupStats const& _testGroupStats) {
		if (currentGroupInfo.used) {
			printSummaryDivider();
			stream << "Summary for group '" << _testGroupStats.groupInfo.name << "':\n";
			printTotals(_testGroupStats.totals);
			stream << '\n' << std::endl;
		}
		StreamingReporterBase::testGroupEnded(_testGroupStats);
	}
	void ConsoleReporter::testRunEnded(TestRunStats const& _testRunStats) {
		printTotalsDivider(_testRunStats.totals);
		printTotals(_testRunStats.totals);
		stream << std::endl;
		StreamingReporterBase::testRunEnded(_testRunStats);
	}

	void ConsoleReporter::lazyPrint() {

		m_tablePrinter->close();
		lazyPrintWithoutClosingBenchmarkTable();
	}

	void ConsoleReporter::lazyPrintWithoutClosingBenchmarkTable() {

		if (!currentTestRunInfo.used)
			lazyPrintRunInfo();
		if (!currentGroupInfo.used)
			lazyPrintGroupInfo();

		if (!m_headerPrinted) {
			printTestCaseAndSectionHeader();
			m_headerPrinted = true;
		}
	}
	void ConsoleReporter::lazyPrintRunInfo() {
		stream << '\n' << getLineOfChars<'~'>() << '\n';
		Colour colour(Colour::SecondaryText);
		stream << currentTestRunInfo->name
			<< " is a Catch v" << libraryVersion() << " host application.\n"
			<< "Run with -? for options\n\n";

		if (m_config->rngSeed() != 0)
			stream << "Randomness seeded to: " << m_config->rngSeed() << "\n\n";

		currentTestRunInfo.used = true;
	}
	void ConsoleReporter::lazyPrintGroupInfo() {
		if (!currentGroupInfo->name.empty() && currentGroupInfo->groupsCounts > 1) {
			printClosedHeader("Group: " + currentGroupInfo->name);
			currentGroupInfo.used = true;
		}
	}
	void ConsoleReporter::printTestCaseAndSectionHeader() {
		assert(!m_sectionStack.empty());
		printOpenHeader(currentTestCaseInfo->name);

		if (m_sectionStack.size() > 1) {
			Colour colourGuard(Colour::Headers);

			auto
				it = m_sectionStack.begin() + 1, // Skip first section (test case)
				itEnd = m_sectionStack.end();
			for (; it != itEnd; ++it)
				printHeaderString(it->name, 2);
		}

		SourceLineInfo lineInfo = m_sectionStack.back().lineInfo;

		if (!lineInfo.empty()) {
			stream << getLineOfChars<'-'>() << '\n';
			Colour colourGuard(Colour::FileName);
			stream << lineInfo << '\n';
		}
		stream << getLineOfChars<'.'>() << '\n' << std::endl;
	}

	void ConsoleReporter::printClosedHeader(std::string const& _name) {
		printOpenHeader(_name);
		stream << getLineOfChars<'.'>() << '\n';
	}
	void ConsoleReporter::printOpenHeader(std::string const& _name) {
		stream << getLineOfChars<'-'>() << '\n';
		{
			Colour colourGuard(Colour::Headers);
			printHeaderString(_name);
		}
	}

	// if string has a : in first line will set indent to follow it on
	// subsequent lines
	void ConsoleReporter::printHeaderString(std::string const& _string, std::size_t indent) {
		std::size_t i = _string.find(": ");
		if (i != std::string::npos)
			i += 2;
		else
			i = 0;
		stream << Column(_string).indent(indent + i).initialIndent(indent) << '\n';
	}

	struct SummaryColumn {

		SummaryColumn(std::string _label, Colour::Code _colour)
			: label(std::move(_label)),
			colour(_colour) {}
		SummaryColumn addRow(std::size_t count) {
			ReusableStringStream rss;
			rss << count;
			std::string row = rss.str();
			for (auto& oldRow : rows) {
				while (oldRow.size() < row.size())
					oldRow = ' ' + oldRow;
				while (oldRow.size() > row.size())
					row = ' ' + row;
			}
			rows.push_back(row);
			return *this;
		}

		std::string label;
		Colour::Code colour;
		std::vector<std::string> rows;

	};

	void ConsoleReporter::printTotals(Totals const& totals) {
		if (totals.testCases.total() == 0) {
			stream << Colour(Colour::Warning) << "No tests ran\n";
		}
		else if (totals.assertions.total() > 0 && totals.testCases.allPassed()) {
			stream << Colour(Colour::ResultSuccess) << "All tests passed";
			stream << " ("
				<< pluralise(totals.assertions.passed, "assertion") << " in "
				<< pluralise(totals.testCases.passed, "test case") << ')'
				<< '\n';
		}
		else {

			std::vector<SummaryColumn> columns;
			columns.push_back(SummaryColumn("", Colour::None)
				.addRow(totals.testCases.total())
				.addRow(totals.assertions.total()));
			columns.push_back(SummaryColumn("passed", Colour::Success)
				.addRow(totals.testCases.passed)
				.addRow(totals.assertions.passed));
			columns.push_back(SummaryColumn("failed", Colour::ResultError)
				.addRow(totals.testCases.failed)
				.addRow(totals.assertions.failed));
			columns.push_back(SummaryColumn("failed as expected", Colour::ResultExpectedFailure)
				.addRow(totals.testCases.failedButOk)
				.addRow(totals.assertions.failedButOk));

			printSummaryRow("test cases", columns, 0);
			printSummaryRow("assertions", columns, 1);
		}
	}
	void ConsoleReporter::printSummaryRow(std::string const& label, std::vector<SummaryColumn> const& cols, std::size_t row) {
		for (auto col : cols) {
			std::string value = col.rows[row];
			if (col.label.empty()) {
				stream << label << ": ";
				if (value != "0")
					stream << value;
				else
					stream << Colour(Colour::Warning) << "- none -";
			}
			else if (value != "0") {
				stream << Colour(Colour::LightGrey) << " | ";
				stream << Colour(col.colour)
					<< value << ' ' << col.label;
			}
		}
		stream << '\n';
	}

	void ConsoleReporter::printTotalsDivider(Totals const& totals) {
		if (totals.testCases.total() > 0) {
			std::size_t failedRatio = makeRatio(totals.testCases.failed, totals.testCases.total());
			std::size_t failedButOkRatio = makeRatio(totals.testCases.failedButOk, totals.testCases.total());
			std::size_t passedRatio = makeRatio(totals.testCases.passed, totals.testCases.total());
			while (failedRatio + failedButOkRatio + passedRatio < CATCH_CONFIG_CONSOLE_WIDTH - 1)
				findMax(failedRatio, failedButOkRatio, passedRatio)++;
			while (failedRatio + failedButOkRatio + passedRatio > CATCH_CONFIG_CONSOLE_WIDTH - 1)
				findMax(failedRatio, failedButOkRatio, passedRatio)--;

			stream << Colour(Colour::Error) << std::string(failedRatio, '=');
			stream << Colour(Colour::ResultExpectedFailure) << std::string(failedButOkRatio, '=');
			if (totals.testCases.allPassed())
				stream << Colour(Colour::ResultSuccess) << std::string(passedRatio, '=');
			else
				stream << Colour(Colour::Success) << std::string(passedRatio, '=');
		}
		else {
			stream << Colour(Colour::Warning) << std::string(CATCH_CONFIG_CONSOLE_WIDTH - 1, '=');
		}
		stream << '\n';
	}
	void ConsoleReporter::printSummaryDivider() {
		stream << getLineOfChars<'-'>() << '\n';
	}

	CATCH_REGISTER_REPORTER("console", ConsoleReporter)

} // end namespace Catch

#if defined(_MSC_VER)
#pragma warning(pop)
#endif
  // end catch_reporter_console.cpp
  // start catch_reporter_junit.cpp

#include <assert.h>
#include <sstream>
#include <ctime>
#include <algorithm>

namespace Catch {

	namespace {
		std::string getCurrentTimestamp() {
			// Beware, this is not reentrant because of backward compatibility issues
			// Also, UTC only, again because of backward compatibility (%z is C++11)
			time_t rawtime;
			std::time(&rawtime);
			auto const timeStampSize = sizeof("2017-01-16T17:06:45Z");

#ifdef _MSC_VER
			std::tm timeInfo = {};
			gmtime_s(&timeInfo, &rawtime);
#else
			std::tm* timeInfo;
			timeInfo = std::gmtime(&rawtime);
#endif

			char timeStamp[timeStampSize];
			const char * const fmt = "%Y-%m-%dT%H:%M:%SZ";

#ifdef _MSC_VER
			std::strftime(timeStamp, timeStampSize, fmt, &timeInfo);
#else
			std::strftime(timeStamp, timeStampSize, fmt, timeInfo);
#endif
			return std::string(timeStamp);
		}

		std::string fileNameTag(const std::vector<std::string> &tags) {
			auto it = std::find_if(begin(tags),
				end(tags),
				[](std::string const& tag) {return tag.front() == '#'; });
			if (it != tags.end())
				return it->substr(1);
			return std::string();
		}
	} // anonymous namespace

	JunitReporter::JunitReporter(ReporterConfig const& _config)
		: CumulativeReporterBase(_config),
		xml(_config.stream())
	{
		m_reporterPrefs.shouldRedirectStdOut = true;
	}

	JunitReporter::~JunitReporter() {}

	std::string JunitReporter::getDescription() {
		return "Reports test results in an XML format that looks like Ant's junitreport target";
	}

	void JunitReporter::noMatchingTestCases(std::string const& /*spec*/) {}

	void JunitReporter::testRunStarting(TestRunInfo const& runInfo) {
		CumulativeReporterBase::testRunStarting(runInfo);
		xml.startElement("testsuites");
	}

	void JunitReporter::testGroupStarting(GroupInfo const& groupInfo) {
		suiteTimer.start();
		stdOutForSuite.clear();
		stdErrForSuite.clear();
		unexpectedExceptions = 0;
		CumulativeReporterBase::testGroupStarting(groupInfo);
	}

	void JunitReporter::testCaseStarting(TestCaseInfo const& testCaseInfo) {
		m_okToFail = testCaseInfo.okToFail();
	}

	bool JunitReporter::assertionEnded(AssertionStats const& assertionStats) {
		if (assertionStats.assertionResult.getResultType() == ResultWas::ThrewException && !m_okToFail)
			unexpectedExceptions++;
		return CumulativeReporterBase::assertionEnded(assertionStats);
	}

	void JunitReporter::testCaseEnded(TestCaseStats const& testCaseStats) {
		stdOutForSuite += testCaseStats.stdOut;
		stdErrForSuite += testCaseStats.stdErr;
		CumulativeReporterBase::testCaseEnded(testCaseStats);
	}

	void JunitReporter::testGroupEnded(TestGroupStats const& testGroupStats) {
		double suiteTime = suiteTimer.getElapsedSeconds();
		CumulativeReporterBase::testGroupEnded(testGroupStats);
		writeGroup(*m_testGroups.back(), suiteTime);
	}

	void JunitReporter::testRunEndedCumulative() {
		xml.endElement();
	}

	void JunitReporter::writeGroup(TestGroupNode const& groupNode, double suiteTime) {
		XmlWriter::ScopedElement e = xml.scopedElement("testsuite");
		TestGroupStats const& stats = groupNode.value;
		xml.writeAttribute("name", stats.groupInfo.name);
		xml.writeAttribute("errors", unexpectedExceptions);
		xml.writeAttribute("failures", stats.totals.assertions.failed - unexpectedExceptions);
		xml.writeAttribute("tests", stats.totals.assertions.total());
		xml.writeAttribute("hostname", "tbd"); // !TBD
		if (m_config->showDurations() == ShowDurations::Never)
			xml.writeAttribute("time", "");
		else
			xml.writeAttribute("time", suiteTime);
		xml.writeAttribute("timestamp", getCurrentTimestamp());

		// Write test cases
		for (auto const& child : groupNode.children)
			writeTestCase(*child);

		xml.scopedElement("system-out").writeText(trim(stdOutForSuite), false);
		xml.scopedElement("system-err").writeText(trim(stdErrForSuite), false);
	}

	void JunitReporter::writeTestCase(TestCaseNode const& testCaseNode) {
		TestCaseStats const& stats = testCaseNode.value;

		// All test cases have exactly one section - which represents the
		// test case itself. That section may have 0-n nested sections
		assert(testCaseNode.children.size() == 1);
		SectionNode const& rootSection = *testCaseNode.children.front();

		std::string className = stats.testInfo.className;

		if (className.empty()) {
			className = fileNameTag(stats.testInfo.tags);
			if (className.empty())
				className = "global";
		}

		if (!m_config->name().empty())
			className = m_config->name() + "." + className;

		writeSection(className, "", rootSection);
	}

	void JunitReporter::writeSection(std::string const& className,
		std::string const& rootName,
		SectionNode const& sectionNode) {
		std::string name = trim(sectionNode.stats.sectionInfo.name);
		if (!rootName.empty())
			name = rootName + '/' + name;

		if (!sectionNode.assertions.empty() ||
			!sectionNode.stdOut.empty() ||
			!sectionNode.stdErr.empty()) {
			XmlWriter::ScopedElement e = xml.scopedElement("testcase");
			if (className.empty()) {
				xml.writeAttribute("classname", name);
				xml.writeAttribute("name", "root");
			}
			else {
				xml.writeAttribute("classname", className);
				xml.writeAttribute("name", name);
			}
			xml.writeAttribute("time", ::Catch::Detail::stringify(sectionNode.stats.durationInSeconds));

			writeAssertions(sectionNode);

			if (!sectionNode.stdOut.empty())
				xml.scopedElement("system-out").writeText(trim(sectionNode.stdOut), false);
			if (!sectionNode.stdErr.empty())
				xml.scopedElement("system-err").writeText(trim(sectionNode.stdErr), false);
		}
		for (auto const& childNode : sectionNode.childSections)
			if (className.empty())
				writeSection(name, "", *childNode);
			else
				writeSection(className, name, *childNode);
	}

	void JunitReporter::writeAssertions(SectionNode const& sectionNode) {
		for (auto const& assertion : sectionNode.assertions)
			writeAssertion(assertion);
	}

	void JunitReporter::writeAssertion(AssertionStats const& stats) {
		AssertionResult const& result = stats.assertionResult;
		if (!result.isOk()) {
			std::string elementName;
			switch (result.getResultType()) {
			case ResultWas::ThrewException:
			case ResultWas::FatalErrorCondition:
				elementName = "error";
				break;
			case ResultWas::ExplicitFailure:
				elementName = "failure";
				break;
			case ResultWas::ExpressionFailed:
				elementName = "failure";
				break;
			case ResultWas::DidntThrowException:
				elementName = "failure";
				break;

				// We should never see these here:
			case ResultWas::Info:
			case ResultWas::Warning:
			case ResultWas::Ok:
			case ResultWas::Unknown:
			case ResultWas::FailureBit:
			case ResultWas::Exception:
				elementName = "internalError";
				break;
			}

			XmlWriter::ScopedElement e = xml.scopedElement(elementName);

			xml.writeAttribute("message", result.getExpandedExpression());
			xml.writeAttribute("type", result.getTestMacroName());

			ReusableStringStream rss;
			if (!result.getMessage().empty())
				rss << result.getMessage() << '\n';
			for (auto const& msg : stats.infoMessages)
				if (msg.type == ResultWas::Info)
					rss << msg.message << '\n';

			rss << "at " << result.getSourceInfo();
			xml.writeText(rss.str(), false);
		}
	}

	CATCH_REGISTER_REPORTER("junit", JunitReporter)

} // end namespace Catch
  // end catch_reporter_junit.cpp
  // start catch_reporter_multi.cpp

namespace Catch {

	void MultipleReporters::add(IStreamingReporterPtr&& reporter) {
		m_reporters.push_back(std::move(reporter));
	}

	ReporterPreferences MultipleReporters::getPreferences() const {
		return m_reporters[0]->getPreferences();
	}

	std::set<Verbosity> MultipleReporters::getSupportedVerbosities() {
		return std::set<Verbosity>{ };
	}

	void MultipleReporters::noMatchingTestCases(std::string const& spec) {
		for (auto const& reporter : m_reporters)
			reporter->noMatchingTestCases(spec);
	}

	void MultipleReporters::benchmarkStarting(BenchmarkInfo const& benchmarkInfo) {
		for (auto const& reporter : m_reporters)
			reporter->benchmarkStarting(benchmarkInfo);
	}
	void MultipleReporters::benchmarkEnded(BenchmarkStats const& benchmarkStats) {
		for (auto const& reporter : m_reporters)
			reporter->benchmarkEnded(benchmarkStats);
	}

	void MultipleReporters::testRunStarting(TestRunInfo const& testRunInfo) {
		for (auto const& reporter : m_reporters)
			reporter->testRunStarting(testRunInfo);
	}

	void MultipleReporters::testGroupStarting(GroupInfo const& groupInfo) {
		for (auto const& reporter : m_reporters)
			reporter->testGroupStarting(groupInfo);
	}

	void MultipleReporters::testCaseStarting(TestCaseInfo const& testInfo) {
		for (auto const& reporter : m_reporters)
			reporter->testCaseStarting(testInfo);
	}

	void MultipleReporters::sectionStarting(SectionInfo const& sectionInfo) {
		for (auto const& reporter : m_reporters)
			reporter->sectionStarting(sectionInfo);
	}

	void MultipleReporters::assertionStarting(AssertionInfo const& assertionInfo) {
		for (auto const& reporter : m_reporters)
			reporter->assertionStarting(assertionInfo);
	}

	// The return value indicates if the messages buffer should be cleared:
	bool MultipleReporters::assertionEnded(AssertionStats const& assertionStats) {
		bool clearBuffer = false;
		for (auto const& reporter : m_reporters)
			clearBuffer |= reporter->assertionEnded(assertionStats);
		return clearBuffer;
	}

	void MultipleReporters::sectionEnded(SectionStats const& sectionStats) {
		for (auto const& reporter : m_reporters)
			reporter->sectionEnded(sectionStats);
	}

	void MultipleReporters::testCaseEnded(TestCaseStats const& testCaseStats) {
		for (auto const& reporter : m_reporters)
			reporter->testCaseEnded(testCaseStats);
	}

	void MultipleReporters::testGroupEnded(TestGroupStats const& testGroupStats) {
		for (auto const& reporter : m_reporters)
			reporter->testGroupEnded(testGroupStats);
	}

	void MultipleReporters::testRunEnded(TestRunStats const& testRunStats) {
		for (auto const& reporter : m_reporters)
			reporter->testRunEnded(testRunStats);
	}

	void MultipleReporters::skipTest(TestCaseInfo const& testInfo) {
		for (auto const& reporter : m_reporters)
			reporter->skipTest(testInfo);
	}

	bool MultipleReporters::isMulti() const {
		return true;
	}

} // end namespace Catch
  // end catch_reporter_multi.cpp
  // start catch_reporter_xml.cpp

#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable:4061) // Not all labels are EXPLICITLY handled in switch
  // Note that 4062 (not all labels are handled
  // and default is missing) is enabled
#endif

namespace Catch {
	XmlReporter::XmlReporter(ReporterConfig const& _config)
		: StreamingReporterBase(_config),
		m_xml(_config.stream())
	{
		m_reporterPrefs.shouldRedirectStdOut = true;
	}

	XmlReporter::~XmlReporter() = default;

	std::string XmlReporter::getDescription() {
		return "Reports test results as an XML document";
	}

	std::string XmlReporter::getStylesheetRef() const {
		return std::string();
	}

	void XmlReporter::writeSourceInfo(SourceLineInfo const& sourceInfo) {
		m_xml
			.writeAttribute("filename", sourceInfo.file)
			.writeAttribute("line", sourceInfo.line);
	}

	void XmlReporter::noMatchingTestCases(std::string const& s) {
		StreamingReporterBase::noMatchingTestCases(s);
	}

	void XmlReporter::testRunStarting(TestRunInfo const& testInfo) {
		StreamingReporterBase::testRunStarting(testInfo);
		std::string stylesheetRef = getStylesheetRef();
		if (!stylesheetRef.empty())
			m_xml.writeStylesheetRef(stylesheetRef);
		m_xml.startElement("Catch");
		if (!m_config->name().empty())
			m_xml.writeAttribute("name", m_config->name());
	}

	void XmlReporter::testGroupStarting(GroupInfo const& groupInfo) {
		StreamingReporterBase::testGroupStarting(groupInfo);
		m_xml.startElement("Group")
			.writeAttribute("name", groupInfo.name);
	}

	void XmlReporter::testCaseStarting(TestCaseInfo const& testInfo) {
		StreamingReporterBase::testCaseStarting(testInfo);
		m_xml.startElement("TestCase")
			.writeAttribute("name", trim(testInfo.name))
			.writeAttribute("description", testInfo.description)
			.writeAttribute("tags", testInfo.tagsAsString());

		writeSourceInfo(testInfo.lineInfo);

		if (m_config->showDurations() == ShowDurations::Always)
			m_testCaseTimer.start();
		m_xml.ensureTagClosed();
	}

	void XmlReporter::sectionStarting(SectionInfo const& sectionInfo) {
		StreamingReporterBase::sectionStarting(sectionInfo);
		if (m_sectionDepth++ > 0) {
			m_xml.startElement("Section")
				.writeAttribute("name", trim(sectionInfo.name))
				.writeAttribute("description", sectionInfo.description);
			writeSourceInfo(sectionInfo.lineInfo);
			m_xml.ensureTagClosed();
		}
	}

	void XmlReporter::assertionStarting(AssertionInfo const&) { }

	bool XmlReporter::assertionEnded(AssertionStats const& assertionStats) {

		AssertionResult const& result = assertionStats.assertionResult;

		bool includeResults = m_config->includeSuccessfulResults() || !result.isOk();

		if (includeResults || result.getResultType() == ResultWas::Warning) {
			// Print any info messages in <Info> tags.
			for (auto const& msg : assertionStats.infoMessages) {
				if (msg.type == ResultWas::Info && includeResults) {
					m_xml.scopedElement("Info")
						.writeText(msg.message);
				}
				else if (msg.type == ResultWas::Warning) {
					m_xml.scopedElement("Warning")
						.writeText(msg.message);
				}
			}
		}

		// Drop out if result was successful but we're not printing them.
		if (!includeResults && result.getResultType() != ResultWas::Warning)
			return true;

		// Print the expression if there is one.
		if (result.hasExpression()) {
			m_xml.startElement("Expression")
				.writeAttribute("success", result.succeeded())
				.writeAttribute("type", result.getTestMacroName());

			writeSourceInfo(result.getSourceInfo());

			m_xml.scopedElement("Original")
				.writeText(result.getExpression());
			m_xml.scopedElement("Expanded")
				.writeText(result.getExpandedExpression());
		}

		// And... Print a result applicable to each result type.
		switch (result.getResultType()) {
		case ResultWas::ThrewException:
			m_xml.startElement("Exception");
			writeSourceInfo(result.getSourceInfo());
			m_xml.writeText(result.getMessage());
			m_xml.endElement();
			break;
		case ResultWas::FatalErrorCondition:
			m_xml.startElement("FatalErrorCondition");
			writeSourceInfo(result.getSourceInfo());
			m_xml.writeText(result.getMessage());
			m_xml.endElement();
			break;
		case ResultWas::Info:
			m_xml.scopedElement("Info")
				.writeText(result.getMessage());
			break;
		case ResultWas::Warning:
			// Warning will already have been written
			break;
		case ResultWas::ExplicitFailure:
			m_xml.startElement("Failure");
			writeSourceInfo(result.getSourceInfo());
			m_xml.writeText(result.getMessage());
			m_xml.endElement();
			break;
		default:
			break;
		}

		if (result.hasExpression())
			m_xml.endElement();

		return true;
	}

	void XmlReporter::sectionEnded(SectionStats const& sectionStats) {
		StreamingReporterBase::sectionEnded(sectionStats);
		if (--m_sectionDepth > 0) {
			XmlWriter::ScopedElement e = m_xml.scopedElement("OverallResults");
			e.writeAttribute("successes", sectionStats.assertions.passed);
			e.writeAttribute("failures", sectionStats.assertions.failed);
			e.writeAttribute("expectedFailures", sectionStats.assertions.failedButOk);

			if (m_config->showDurations() == ShowDurations::Always)
				e.writeAttribute("durationInSeconds", sectionStats.durationInSeconds);

			m_xml.endElement();
		}
	}

	void XmlReporter::testCaseEnded(TestCaseStats const& testCaseStats) {
		StreamingReporterBase::testCaseEnded(testCaseStats);
		XmlWriter::ScopedElement e = m_xml.scopedElement("OverallResult");
		e.writeAttribute("success", testCaseStats.totals.assertions.allOk());

		if (m_config->showDurations() == ShowDurations::Always)
			e.writeAttribute("durationInSeconds", m_testCaseTimer.getElapsedSeconds());

		if (!testCaseStats.stdOut.empty())
			m_xml.scopedElement("StdOut").writeText(trim(testCaseStats.stdOut), false);
		if (!testCaseStats.stdErr.empty())
			m_xml.scopedElement("StdErr").writeText(trim(testCaseStats.stdErr), false);

		m_xml.endElement();
	}

	void XmlReporter::testGroupEnded(TestGroupStats const& testGroupStats) {
		StreamingReporterBase::testGroupEnded(testGroupStats);
		// TODO: Check testGroupStats.aborting and act accordingly.
		m_xml.scopedElement("OverallResults")
			.writeAttribute("successes", testGroupStats.totals.assertions.passed)
			.writeAttribute("failures", testGroupStats.totals.assertions.failed)
			.writeAttribute("expectedFailures", testGroupStats.totals.assertions.failedButOk);
		m_xml.endElement();
	}

	void XmlReporter::testRunEnded(TestRunStats const& testRunStats) {
		StreamingReporterBase::testRunEnded(testRunStats);
		m_xml.scopedElement("OverallResults")
			.writeAttribute("successes", testRunStats.totals.assertions.passed)
			.writeAttribute("failures", testRunStats.totals.assertions.failed)
			.writeAttribute("expectedFailures", testRunStats.totals.assertions.failedButOk);
		m_xml.endElement();
	}

	CATCH_REGISTER_REPORTER("xml", XmlReporter)

} // end namespace Catch

#if defined(_MSC_VER)
#pragma warning(pop)
#endif
  // end catch_reporter_xml.cpp

namespace Catch {
	LeakDetector leakDetector;
}

#ifdef __clang__
#pragma clang diagnostic pop
#endif

// end catch_impl.hpp
#endif

#ifdef CATCH_CONFIG_MAIN
// start catch_default_main.hpp

#ifndef __OBJC__

#if defined(CATCH_CONFIG_WCHAR) && defined(WIN32) && defined(_UNICODE) && !defined(DO_NOT_USE_WMAIN)
// Standard C/C++ Win32 Unicode wmain entry point
extern "C" int wmain(int argc, wchar_t * argv[], wchar_t *[]) {
#else
// Standard C/C++ main entry point
int main(int argc, char * argv[]) {
#endif

	return Catch::Session().run(argc, argv);
}

#else // __OBJC__

// Objective-C entry point
int main(int argc, char * const argv[]) {
#if !CATCH_ARC_ENABLED
	NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
#endif

	Catch::registerTestMethods();
	int result = Catch::Session().run(argc, (char**)argv);

#if !CATCH_ARC_ENABLED
	[pool drain];
#endif

	return result;
}

#endif // __OBJC__

// end catch_default_main.hpp
#endif

#if !defined(CATCH_CONFIG_IMPL_ONLY)

#ifdef CLARA_CONFIG_MAIN_NOT_DEFINED
#  undef CLARA_CONFIG_MAIN
#endif

#if !defined(CATCH_CONFIG_DISABLE)
//////
// If this config identifier is defined then all CATCH macros are prefixed with CATCH_
#ifdef CATCH_CONFIG_PREFIX_ALL

#define CATCH_REQUIRE( ... ) INTERNAL_CATCH_TEST( "CATCH_REQUIRE", Catch::ResultDisposition::Normal, __VA_ARGS__ )
#define CATCH_REQUIRE_FALSE( ... ) INTERNAL_CATCH_TEST( "CATCH_REQUIRE_FALSE", Catch::ResultDisposition::Normal | Catch::ResultDisposition::FalseTest, __VA_ARGS__ )

#define CATCH_REQUIRE_THROWS( ... ) INTERNAL_CATCH_THROWS( "CATCH_REQUIRE_THROWS", Catch::ResultDisposition::Normal, "", __VA_ARGS__ )
#define CATCH_REQUIRE_THROWS_AS( expr, exceptionType ) INTERNAL_CATCH_THROWS_AS( "CATCH_REQUIRE_THROWS_AS", exceptionType, Catch::ResultDisposition::Normal, expr )
#define CATCH_REQUIRE_THROWS_WITH( expr, matcher ) INTERNAL_CATCH_THROWS_STR_MATCHES( "CATCH_REQUIRE_THROWS_WITH", Catch::ResultDisposition::Normal, matcher, expr )
#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define CATCH_REQUIRE_THROWS_MATCHES( expr, exceptionType, matcher ) INTERNAL_CATCH_THROWS_MATCHES( "CATCH_REQUIRE_THROWS_MATCHES", exceptionType, Catch::ResultDisposition::Normal, matcher, expr )
#endif// CATCH_CONFIG_DISABLE_MATCHERS
#define CATCH_REQUIRE_NOTHROW( ... ) INTERNAL_CATCH_NO_THROW( "CATCH_REQUIRE_NOTHROW", Catch::ResultDisposition::Normal, __VA_ARGS__ )

#define CATCH_CHECK( ... ) INTERNAL_CATCH_TEST( "CATCH_CHECK", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
#define CATCH_CHECK_FALSE( ... ) INTERNAL_CATCH_TEST( "CATCH_CHECK_FALSE", Catch::ResultDisposition::ContinueOnFailure | Catch::ResultDisposition::FalseTest, __VA_ARGS__ )
#define CATCH_CHECKED_IF( ... ) INTERNAL_CATCH_IF( "CATCH_CHECKED_IF", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
#define CATCH_CHECKED_ELSE( ... ) INTERNAL_CATCH_ELSE( "CATCH_CHECKED_ELSE", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
#define CATCH_CHECK_NOFAIL( ... ) INTERNAL_CATCH_TEST( "CATCH_CHECK_NOFAIL", Catch::ResultDisposition::ContinueOnFailure | Catch::ResultDisposition::SuppressFail, __VA_ARGS__ )

#define CATCH_CHECK_THROWS( ... )  INTERNAL_CATCH_THROWS( "CATCH_CHECK_THROWS", Catch::ResultDisposition::ContinueOnFailure, "", __VA_ARGS__ )
#define CATCH_CHECK_THROWS_AS( expr, exceptionType ) INTERNAL_CATCH_THROWS_AS( "CATCH_CHECK_THROWS_AS", exceptionType, Catch::ResultDisposition::ContinueOnFailure, expr )
#define CATCH_CHECK_THROWS_WITH( expr, matcher ) INTERNAL_CATCH_THROWS_STR_MATCHES( "CATCH_CHECK_THROWS_WITH", Catch::ResultDisposition::ContinueOnFailure, matcher, expr )
#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define CATCH_CHECK_THROWS_MATCHES( expr, exceptionType, matcher ) INTERNAL_CATCH_THROWS_MATCHES( "CATCH_CHECK_THROWS_MATCHES", exceptionType, Catch::ResultDisposition::ContinueOnFailure, matcher, expr )
#endif // CATCH_CONFIG_DISABLE_MATCHERS
#define CATCH_CHECK_NOTHROW( ... ) INTERNAL_CATCH_NO_THROW( "CATCH_CHECK_NOTHROW", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )

#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define CATCH_CHECK_THAT( arg, matcher ) INTERNAL_CHECK_THAT( "CATCH_CHECK_THAT", matcher, Catch::ResultDisposition::ContinueOnFailure, arg )

#define CATCH_REQUIRE_THAT( arg, matcher ) INTERNAL_CHECK_THAT( "CATCH_REQUIRE_THAT", matcher, Catch::ResultDisposition::Normal, arg )
#endif // CATCH_CONFIG_DISABLE_MATCHERS

#define CATCH_INFO( msg ) INTERNAL_CATCH_INFO( "CATCH_INFO", msg )
#define CATCH_WARN( msg ) INTERNAL_CATCH_MSG( "CATCH_WARN", Catch::ResultWas::Warning, Catch::ResultDisposition::ContinueOnFailure, msg )
#define CATCH_CAPTURE( msg ) INTERNAL_CATCH_INFO( "CATCH_CAPTURE", #msg " := " << ::Catch::Detail::stringify(msg) )

#define CATCH_TEST_CASE( ... ) INTERNAL_CATCH_TESTCASE( __VA_ARGS__ )
#define CATCH_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEST_CASE_METHOD( className, __VA_ARGS__ )
#define CATCH_METHOD_AS_TEST_CASE( method, ... ) INTERNAL_CATCH_METHOD_AS_TEST_CASE( method, __VA_ARGS__ )
#define CATCH_REGISTER_TEST_CASE( Function, ... ) INTERNAL_CATCH_REGISTER_TESTCASE( Function, __VA_ARGS__ )
#define CATCH_SECTION( ... ) INTERNAL_CATCH_SECTION( __VA_ARGS__ )
#define CATCH_FAIL( ... ) INTERNAL_CATCH_MSG( "CATCH_FAIL", Catch::ResultWas::ExplicitFailure, Catch::ResultDisposition::Normal, __VA_ARGS__ )
#define CATCH_FAIL_CHECK( ... ) INTERNAL_CATCH_MSG( "CATCH_FAIL_CHECK", Catch::ResultWas::ExplicitFailure, Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
#define CATCH_SUCCEED( ... ) INTERNAL_CATCH_MSG( "CATCH_SUCCEED", Catch::ResultWas::Ok, Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )

#define CATCH_ANON_TEST_CASE() INTERNAL_CATCH_TESTCASE()

// "BDD-style" convenience wrappers
#define CATCH_SCENARIO( ... ) CATCH_TEST_CASE( "Scenario: " __VA_ARGS__ )
#define CATCH_SCENARIO_METHOD( className, ... ) INTERNAL_CATCH_TEST_CASE_METHOD( className, "Scenario: " __VA_ARGS__ )
#define CATCH_GIVEN( desc )    CATCH_SECTION( std::string( "Given: ") + desc )
#define CATCH_WHEN( desc )     CATCH_SECTION( std::string( " When: ") + desc )
#define CATCH_AND_WHEN( desc ) CATCH_SECTION( std::string( "  And: ") + desc )
#define CATCH_THEN( desc )     CATCH_SECTION( std::string( " Then: ") + desc )
#define CATCH_AND_THEN( desc ) CATCH_SECTION( std::string( "  And: ") + desc )

// If CATCH_CONFIG_PREFIX_ALL is not defined then the CATCH_ prefix is not required
#else

#define REQUIRE( ... ) INTERNAL_CATCH_TEST( "REQUIRE", Catch::ResultDisposition::Normal, __VA_ARGS__  )
#define REQUIRE_FALSE( ... ) INTERNAL_CATCH_TEST( "REQUIRE_FALSE", Catch::ResultDisposition::Normal | Catch::ResultDisposition::FalseTest, __VA_ARGS__ )

#define REQUIRE_THROWS( ... ) INTERNAL_CATCH_THROWS( "REQUIRE_THROWS", Catch::ResultDisposition::Normal, __VA_ARGS__ )
#define REQUIRE_THROWS_AS( expr, exceptionType ) INTERNAL_CATCH_THROWS_AS( "REQUIRE_THROWS_AS", exceptionType, Catch::ResultDisposition::Normal, expr )
#define REQUIRE_THROWS_WITH( expr, matcher ) INTERNAL_CATCH_THROWS_STR_MATCHES( "REQUIRE_THROWS_WITH", Catch::ResultDisposition::Normal, matcher, expr )
#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define REQUIRE_THROWS_MATCHES( expr, exceptionType, matcher ) INTERNAL_CATCH_THROWS_MATCHES( "REQUIRE_THROWS_MATCHES", exceptionType, Catch::ResultDisposition::Normal, matcher, expr )
#endif // CATCH_CONFIG_DISABLE_MATCHERS
#define REQUIRE_NOTHROW( ... ) INTERNAL_CATCH_NO_THROW( "REQUIRE_NOTHROW", Catch::ResultDisposition::Normal, __VA_ARGS__ )

#define CHECK( ... ) INTERNAL_CATCH_TEST( "CHECK", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
#define CHECK_FALSE( ... ) INTERNAL_CATCH_TEST( "CHECK_FALSE", Catch::ResultDisposition::ContinueOnFailure | Catch::ResultDisposition::FalseTest, __VA_ARGS__ )
#define CHECKED_IF( ... ) INTERNAL_CATCH_IF( "CHECKED_IF", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
#define CHECKED_ELSE( ... ) INTERNAL_CATCH_ELSE( "CHECKED_ELSE", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
#define CHECK_NOFAIL( ... ) INTERNAL_CATCH_TEST( "CHECK_NOFAIL", Catch::ResultDisposition::ContinueOnFailure | Catch::ResultDisposition::SuppressFail, __VA_ARGS__ )

#define CHECK_THROWS( ... )  INTERNAL_CATCH_THROWS( "CHECK_THROWS", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
#define CHECK_THROWS_AS( expr, exceptionType ) INTERNAL_CATCH_THROWS_AS( "CHECK_THROWS_AS", exceptionType, Catch::ResultDisposition::ContinueOnFailure, expr )
#define CHECK_THROWS_WITH( expr, matcher ) INTERNAL_CATCH_THROWS_STR_MATCHES( "CHECK_THROWS_WITH", Catch::ResultDisposition::ContinueOnFailure, matcher, expr )
#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define CHECK_THROWS_MATCHES( expr, exceptionType, matcher ) INTERNAL_CATCH_THROWS_MATCHES( "CHECK_THROWS_MATCHES", exceptionType, Catch::ResultDisposition::ContinueOnFailure, matcher, expr )
#endif // CATCH_CONFIG_DISABLE_MATCHERS
#define CHECK_NOTHROW( ... ) INTERNAL_CATCH_NO_THROW( "CHECK_NOTHROW", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )

#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define CHECK_THAT( arg, matcher ) INTERNAL_CHECK_THAT( "CHECK_THAT", matcher, Catch::ResultDisposition::ContinueOnFailure, arg )

#define REQUIRE_THAT( arg, matcher ) INTERNAL_CHECK_THAT( "REQUIRE_THAT", matcher, Catch::ResultDisposition::Normal, arg )
#endif // CATCH_CONFIG_DISABLE_MATCHERS

#define INFO( msg ) INTERNAL_CATCH_INFO( "INFO", msg )
#define WARN( msg ) INTERNAL_CATCH_MSG( "WARN", Catch::ResultWas::Warning, Catch::ResultDisposition::ContinueOnFailure, msg )
#define CAPTURE( msg ) INTERNAL_CATCH_INFO( "CAPTURE", #msg " := " << ::Catch::Detail::stringify(msg) )

#define TEST_CASE( ... ) INTERNAL_CATCH_TESTCASE( __VA_ARGS__ )
#define TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEST_CASE_METHOD( className, __VA_ARGS__ )
#define METHOD_AS_TEST_CASE( method, ... ) INTERNAL_CATCH_METHOD_AS_TEST_CASE( method, __VA_ARGS__ )
#define REGISTER_TEST_CASE( Function, ... ) INTERNAL_CATCH_REGISTER_TESTCASE( Function, __VA_ARGS__ )
#define SECTION( ... ) INTERNAL_CATCH_SECTION( __VA_ARGS__ )
#define FAIL( ... ) INTERNAL_CATCH_MSG( "FAIL", Catch::ResultWas::ExplicitFailure, Catch::ResultDisposition::Normal, __VA_ARGS__ )
#define FAIL_CHECK( ... ) INTERNAL_CATCH_MSG( "FAIL_CHECK", Catch::ResultWas::ExplicitFailure, Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
#define SUCCEED( ... ) INTERNAL_CATCH_MSG( "SUCCEED", Catch::ResultWas::Ok, Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
#define ANON_TEST_CASE() INTERNAL_CATCH_TESTCASE()

#endif

#define CATCH_TRANSLATE_EXCEPTION( signature ) INTERNAL_CATCH_TRANSLATE_EXCEPTION( signature )

// "BDD-style" convenience wrappers
#define SCENARIO( ... ) TEST_CASE( "Scenario: " __VA_ARGS__ )
#define SCENARIO_METHOD( className, ... ) INTERNAL_CATCH_TEST_CASE_METHOD( className, "Scenario: " __VA_ARGS__ )

#define GIVEN( desc )    SECTION( std::string("   Given: ") + desc )
#define WHEN( desc )     SECTION( std::string("    When: ") + desc )
#define AND_WHEN( desc ) SECTION( std::string("And when: ") + desc )
#define THEN( desc )     SECTION( std::string("    Then: ") + desc )
#define AND_THEN( desc ) SECTION( std::string("     And: ") + desc )

using Catch::Detail::Approx;

#else
//////
// If this config identifier is defined then all CATCH macros are prefixed with CATCH_
#ifdef CATCH_CONFIG_PREFIX_ALL

#define CATCH_REQUIRE( ... )        (void)(0)
#define CATCH_REQUIRE_FALSE( ... )  (void)(0)

#define CATCH_REQUIRE_THROWS( ... ) (void)(0)
#define CATCH_REQUIRE_THROWS_AS( expr, exceptionType ) (void)(0)
#define CATCH_REQUIRE_THROWS_WITH( expr, matcher )     (void)(0)
#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define CATCH_REQUIRE_THROWS_MATCHES( expr, exceptionType, matcher ) (void)(0)
#endif// CATCH_CONFIG_DISABLE_MATCHERS
#define CATCH_REQUIRE_NOTHROW( ... ) (void)(0)

#define CATCH_CHECK( ... )         (void)(0)
#define CATCH_CHECK_FALSE( ... )   (void)(0)
#define CATCH_CHECKED_IF( ... )    if (__VA_ARGS__)
#define CATCH_CHECKED_ELSE( ... )  if (!(__VA_ARGS__))
#define CATCH_CHECK_NOFAIL( ... )  (void)(0)

#define CATCH_CHECK_THROWS( ... )  (void)(0)
#define CATCH_CHECK_THROWS_AS( expr, exceptionType ) (void)(0)
#define CATCH_CHECK_THROWS_WITH( expr, matcher )     (void)(0)
#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define CATCH_CHECK_THROWS_MATCHES( expr, exceptionType, matcher ) (void)(0)
#endif // CATCH_CONFIG_DISABLE_MATCHERS
#define CATCH_CHECK_NOTHROW( ... ) (void)(0)

#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define CATCH_CHECK_THAT( arg, matcher )   (void)(0)

#define CATCH_REQUIRE_THAT( arg, matcher ) (void)(0)
#endif // CATCH_CONFIG_DISABLE_MATCHERS

#define CATCH_INFO( msg )    (void)(0)
#define CATCH_WARN( msg )    (void)(0)
#define CATCH_CAPTURE( msg ) (void)(0)

#define CATCH_TEST_CASE( ... ) INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))
#define CATCH_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))
#define CATCH_METHOD_AS_TEST_CASE( method, ... )
#define CATCH_REGISTER_TEST_CASE( Function, ... ) (void)(0)
#define CATCH_SECTION( ... )
#define CATCH_FAIL( ... ) (void)(0)
#define CATCH_FAIL_CHECK( ... ) (void)(0)
#define CATCH_SUCCEED( ... ) (void)(0)

#define CATCH_ANON_TEST_CASE() INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))

// "BDD-style" convenience wrappers
#define CATCH_SCENARIO( ... ) INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))
#define CATCH_SCENARIO_METHOD( className, ... ) INTERNAL_CATCH_TESTCASE_METHOD_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ), className )
#define CATCH_GIVEN( desc )
#define CATCH_WHEN( desc )
#define CATCH_AND_WHEN( desc )
#define CATCH_THEN( desc )
#define CATCH_AND_THEN( desc )

// If CATCH_CONFIG_PREFIX_ALL is not defined then the CATCH_ prefix is not required
#else

#define REQUIRE( ... )       (void)(0)
#define REQUIRE_FALSE( ... ) (void)(0)

#define REQUIRE_THROWS( ... ) (void)(0)
#define REQUIRE_THROWS_AS( expr, exceptionType ) (void)(0)
#define REQUIRE_THROWS_WITH( expr, matcher ) (void)(0)
#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define REQUIRE_THROWS_MATCHES( expr, exceptionType, matcher ) (void)(0)
#endif // CATCH_CONFIG_DISABLE_MATCHERS
#define REQUIRE_NOTHROW( ... ) (void)(0)

#define CHECK( ... ) (void)(0)
#define CHECK_FALSE( ... ) (void)(0)
#define CHECKED_IF( ... ) if (__VA_ARGS__)
#define CHECKED_ELSE( ... ) if (!(__VA_ARGS__))
#define CHECK_NOFAIL( ... ) (void)(0)

#define CHECK_THROWS( ... )  (void)(0)
#define CHECK_THROWS_AS( expr, exceptionType ) (void)(0)
#define CHECK_THROWS_WITH( expr, matcher ) (void)(0)
#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define CHECK_THROWS_MATCHES( expr, exceptionType, matcher ) (void)(0)
#endif // CATCH_CONFIG_DISABLE_MATCHERS
#define CHECK_NOTHROW( ... ) (void)(0)

#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define CHECK_THAT( arg, matcher ) (void)(0)

#define REQUIRE_THAT( arg, matcher ) (void)(0)
#endif // CATCH_CONFIG_DISABLE_MATCHERS

#define INFO( msg ) (void)(0)
#define WARN( msg ) (void)(0)
#define CAPTURE( msg ) (void)(0)

#define TEST_CASE( ... )  INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))
#define TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))
#define METHOD_AS_TEST_CASE( method, ... )
#define REGISTER_TEST_CASE( Function, ... ) (void)(0)
#define SECTION( ... )
#define FAIL( ... ) (void)(0)
#define FAIL_CHECK( ... ) (void)(0)
#define SUCCEED( ... ) (void)(0)
#define ANON_TEST_CASE() INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))

#endif

#define CATCH_TRANSLATE_EXCEPTION( signature ) INTERNAL_CATCH_TRANSLATE_EXCEPTION_NO_REG( INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionTranslator ), signature )

// "BDD-style" convenience wrappers
#define SCENARIO( ... ) INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ) )
#define SCENARIO_METHOD( className, ... ) INTERNAL_CATCH_TESTCASE_METHOD_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ), className )

#define GIVEN( desc )
#define WHEN( desc )
#define AND_WHEN( desc )
#define THEN( desc )
#define AND_THEN( desc )

using Catch::Detail::Approx;

#endif

#endif // ! CATCH_CONFIG_IMPL_ONLY

// start catch_reenable_warnings.h


#ifdef __clang__
#    ifdef __ICC // icpc defines the __clang__ macro
#        pragma warning(pop)
#    else
#        pragma clang diagnostic pop
#    endif
#elif defined __GNUC__
#    pragma GCC diagnostic pop
#endif

// end catch_reenable_warnings.h
// end catch.hpp
#endif // TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED