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code(numbers): Created the 'Number' concept to determine whenever a t…
…ype satisfies the criteria to be a Number code(numbers): implemented the basic operations for Rationals code(numbers): Implemented the implementation of the equality operators for Naturals, Integers and Rationals code(numbers): implemented some operator overloads for mix arithmetic operations between types code(tsuite-assertions): cleaned the assertions module, and refactored the way of how are assertions handled internally code(zero::concepts): Created a set of concepts to constrain types that are printable
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,57 +1,109 @@ | ||
| export module tsuite:assertions; | ||
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| import std; | ||
| import concepts; | ||
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| using namespace zero::concepts; | ||
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| template <Printable T, Printable U> | ||
| constexpr inline void throw_on_failed_test(const T& expected, const U& actual); | ||
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| export { | ||
| /** | ||
| * Compares two values. Generates a test failed if values are non-equal. | ||
| */ | ||
| template<typename T> | ||
| requires (!std::is_pointer_v<T>) | ||
| void assertEquals(const T& expected, const T& actual) { | ||
| if (expected != actual) | ||
| throw std::runtime_error("Assertion failed: expected = " + std::to_string(expected) + | ||
| ", actual = " + std::to_string(actual)); | ||
| /// @brief Compares two values. Generates a test failed if values are non-equal. | ||
| /// @param actual the given or computed value | ||
| /// @param expected the given expectation for the computed value | ||
| template<typename T, typename U> | ||
| requires (!std::is_pointer_v<T> && !std::is_pointer_v<U>) | ||
| constexpr void assertEquals(const T& expected, const U& actual) { | ||
| ::throw_on_failed_test(expected, actual); | ||
| } | ||
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| /** | ||
| * Compares two values being T pointer types. | ||
| * Generates a test failed if the values after dereference | ||
| * the pointers are non-equal. | ||
| */ | ||
| /// @brief Compares two values being T pointer types. | ||
| /// Generates a test failed if the values after dereference the pointers are non-equal. | ||
| template<typename T> | ||
| void assertEquals(const T* expected_ptr, const T* actual_ptr) { | ||
| auto expected = *expected_ptr; | ||
| auto actual = *actual_ptr; | ||
| constexpr void assertEquals(const T* expected_ptr, const T* actual_ptr) { | ||
| const auto expected = *expected_ptr; | ||
| const auto actual = *actual_ptr; | ||
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| if (expected != actual) | ||
| throw std::runtime_error("Assertion failed: expected = " + std::to_string(expected) + | ||
| ", actual = " + std::to_string(actual)); | ||
| ::throw_on_failed_test(expected, actual); | ||
| } | ||
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| /** | ||
| * Compares two values. Generates a test failed if the values are equals. | ||
| */ | ||
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| /// @brief Compares two values. Generates a test failed if the values are equals. | ||
| template<typename T> | ||
| requires (!std::is_pointer_v<T>) | ||
| void assertNotEquals(const T& expected, const T& actual) { | ||
| if (expected == actual) | ||
| throw std::runtime_error("Assertion failed: expected = " + std::to_string(expected) + | ||
| ", actual = " + std::to_string(actual)); | ||
| constexpr void assertNotEquals(const T& expected, const T& actual) { | ||
| ::throw_on_failed_test(expected, actual); | ||
| } | ||
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| /** | ||
| * Compares two values being T pointer types. | ||
| * Generates a test failed if the values after dereference | ||
| * the pointers are non-equal. | ||
| */ | ||
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| /// @brief Compares two values being T pointer types. | ||
| /// Generates a test failed if the values after dereference | ||
| /// the pointers are non-equal. | ||
| template<typename T> | ||
| void assertNotEquals(const T* expected_ptr, const T* actual_ptr) { | ||
| auto expected = *expected_ptr; | ||
| auto actual = *actual_ptr; | ||
| constexpr void assertNotEquals(const T* expected_ptr, const T* actual_ptr) { | ||
| const auto expected = *expected_ptr; | ||
| const auto actual = *actual_ptr; | ||
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| ::throw_on_failed_test(expected, actual); | ||
| } | ||
| } | ||
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| // Detail -- TODO move to an impl module partition | ||
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| /// \brief custom internal exception for the assertions failure | ||
| class assertion_failed : public std::exception { | ||
| private: | ||
| std::string message_; | ||
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| if (expected == actual) | ||
| throw std::runtime_error("Assertion failed: expected = " + std::to_string(expected) + | ||
| ", actual = " + std::to_string(actual)); | ||
| public: | ||
| explicit assertion_failed(const std::string& message) | ||
| : message_(message) {} | ||
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| [[nodiscard]] const char* what() const noexcept override { | ||
| return message_.c_str(); | ||
| } | ||
| }; | ||
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| /// \brief helper to reduce cognitive complexity, | ||
| /// \enabled when the concept {\link @StringConvertible} is satisfied | ||
| template<typename T, typename U> | ||
| constexpr inline void throw_on_failed_test_str_impl(const T& expected, const U& actual) { | ||
| if (expected != actual) { | ||
| const auto expected_str = std::to_string(expected); | ||
| const auto actual_str = std::to_string(actual); | ||
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| std::string msg {}; | ||
| msg.reserve(29 + expected_str.size() + actual_str.size() + 11); | ||
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| msg += "Assertion failed: expected = "; // 29 | ||
| msg += expected_str; | ||
| msg += ", actual = "; // 11 | ||
| msg += actual_str; | ||
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| throw assertion_failed(msg); | ||
| } | ||
| } | ||
| } | ||
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| /// \brief helper to reduce cognitive complexity, | ||
| /// \enabled when the concept {\link @Ostreamable} is satisfied | ||
| template<typename T, typename U> | ||
| constexpr inline void throw_on_failed_test_oss_impl(const T& expected, const U& actual) { | ||
| if (expected != actual) { | ||
| std::ostringstream oss; | ||
| oss << "Assertion failed: expected = "; | ||
| oss << expected; | ||
| oss << ", actual = "; | ||
| oss << actual; | ||
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| throw assertion_failed(oss.str()); // TODO use a better one | ||
| } | ||
| } | ||
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| template <Printable T, Printable U> | ||
| constexpr inline void throw_on_failed_test(const T& expected, const U& actual) { | ||
| if constexpr (StringConvertible<T> && StringConvertible<U>) | ||
| throw_on_failed_test_str_impl(expected, actual); | ||
| else | ||
| throw_on_failed_test_oss_impl(expected, actual); | ||
| } |
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