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deps: check in gtest, add util unit test
Check in a gypified gtest and add a simple unit test to show that the basic infrastructure is in place. PR-URL: #1199 Refs: #1193 Reviewed-By: Fedor Indutny <fedor@indutny.com> Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
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Copyright 2008, Google Inc. | ||
All rights reserved. | ||
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Redistribution and use in source and binary forms, with or without | ||
modification, are permitted provided that the following conditions are | ||
met: | ||
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* Redistributions of source code must retain the above copyright | ||
notice, this list of conditions and the following disclaimer. | ||
* Redistributions in binary form must reproduce the above | ||
copyright notice, this list of conditions and the following disclaimer | ||
in the documentation and/or other materials provided with the | ||
distribution. | ||
* Neither the name of Google Inc. nor the names of its | ||
contributors may be used to endorse or promote products derived from | ||
this software without specific prior written permission. | ||
|
||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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{ | ||
'targets': [ | ||
{ | ||
'target_name': 'gtest', | ||
'type': 'static_library', | ||
'cflags': ['-Wno-missing-field-initializers'], | ||
'direct_dependent_settings': { | ||
'include_dirs': ['include'], | ||
}, | ||
'include_dirs': ['.', 'include'], | ||
'sources': [ | ||
'src/gtest-death-test.cc', | ||
'src/gtest-filepath.cc', | ||
'src/gtest-internal-inl.h', | ||
'src/gtest-port.cc', | ||
'src/gtest-printers.cc', | ||
'src/gtest-test-part.cc', | ||
'src/gtest-typed-test.cc', | ||
'src/gtest.cc', | ||
'src/gtest_main.cc', | ||
], | ||
} | ||
], | ||
} |
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// Copyright 2005, Google Inc. | ||
// All rights reserved. | ||
// | ||
// Redistribution and use in source and binary forms, with or without | ||
// modification, are permitted provided that the following conditions are | ||
// met: | ||
// | ||
// * Redistributions of source code must retain the above copyright | ||
// notice, this list of conditions and the following disclaimer. | ||
// * Redistributions in binary form must reproduce the above | ||
// copyright notice, this list of conditions and the following disclaimer | ||
// in the documentation and/or other materials provided with the | ||
// distribution. | ||
// * Neither the name of Google Inc. nor the names of its | ||
// contributors may be used to endorse or promote products derived from | ||
// this software without specific prior written permission. | ||
// | ||
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
// | ||
// Author: wan@google.com (Zhanyong Wan) | ||
// | ||
// The Google C++ Testing Framework (Google Test) | ||
// | ||
// This header file defines the public API for death tests. It is | ||
// #included by gtest.h so a user doesn't need to include this | ||
// directly. | ||
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#ifndef GTEST_INCLUDE_GTEST_GTEST_DEATH_TEST_H_ | ||
#define GTEST_INCLUDE_GTEST_GTEST_DEATH_TEST_H_ | ||
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#include "gtest/internal/gtest-death-test-internal.h" | ||
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namespace testing { | ||
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// This flag controls the style of death tests. Valid values are "threadsafe", | ||
// meaning that the death test child process will re-execute the test binary | ||
// from the start, running only a single death test, or "fast", | ||
// meaning that the child process will execute the test logic immediately | ||
// after forking. | ||
GTEST_DECLARE_string_(death_test_style); | ||
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#if GTEST_HAS_DEATH_TEST | ||
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namespace internal { | ||
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// Returns a Boolean value indicating whether the caller is currently | ||
// executing in the context of the death test child process. Tools such as | ||
// Valgrind heap checkers may need this to modify their behavior in death | ||
// tests. IMPORTANT: This is an internal utility. Using it may break the | ||
// implementation of death tests. User code MUST NOT use it. | ||
GTEST_API_ bool InDeathTestChild(); | ||
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} // namespace internal | ||
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// The following macros are useful for writing death tests. | ||
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// Here's what happens when an ASSERT_DEATH* or EXPECT_DEATH* is | ||
// executed: | ||
// | ||
// 1. It generates a warning if there is more than one active | ||
// thread. This is because it's safe to fork() or clone() only | ||
// when there is a single thread. | ||
// | ||
// 2. The parent process clone()s a sub-process and runs the death | ||
// test in it; the sub-process exits with code 0 at the end of the | ||
// death test, if it hasn't exited already. | ||
// | ||
// 3. The parent process waits for the sub-process to terminate. | ||
// | ||
// 4. The parent process checks the exit code and error message of | ||
// the sub-process. | ||
// | ||
// Examples: | ||
// | ||
// ASSERT_DEATH(server.SendMessage(56, "Hello"), "Invalid port number"); | ||
// for (int i = 0; i < 5; i++) { | ||
// EXPECT_DEATH(server.ProcessRequest(i), | ||
// "Invalid request .* in ProcessRequest()") | ||
// << "Failed to die on request " << i; | ||
// } | ||
// | ||
// ASSERT_EXIT(server.ExitNow(), ::testing::ExitedWithCode(0), "Exiting"); | ||
// | ||
// bool KilledBySIGHUP(int exit_code) { | ||
// return WIFSIGNALED(exit_code) && WTERMSIG(exit_code) == SIGHUP; | ||
// } | ||
// | ||
// ASSERT_EXIT(client.HangUpServer(), KilledBySIGHUP, "Hanging up!"); | ||
// | ||
// On the regular expressions used in death tests: | ||
// | ||
// On POSIX-compliant systems (*nix), we use the <regex.h> library, | ||
// which uses the POSIX extended regex syntax. | ||
// | ||
// On other platforms (e.g. Windows), we only support a simple regex | ||
// syntax implemented as part of Google Test. This limited | ||
// implementation should be enough most of the time when writing | ||
// death tests; though it lacks many features you can find in PCRE | ||
// or POSIX extended regex syntax. For example, we don't support | ||
// union ("x|y"), grouping ("(xy)"), brackets ("[xy]"), and | ||
// repetition count ("x{5,7}"), among others. | ||
// | ||
// Below is the syntax that we do support. We chose it to be a | ||
// subset of both PCRE and POSIX extended regex, so it's easy to | ||
// learn wherever you come from. In the following: 'A' denotes a | ||
// literal character, period (.), or a single \\ escape sequence; | ||
// 'x' and 'y' denote regular expressions; 'm' and 'n' are for | ||
// natural numbers. | ||
// | ||
// c matches any literal character c | ||
// \\d matches any decimal digit | ||
// \\D matches any character that's not a decimal digit | ||
// \\f matches \f | ||
// \\n matches \n | ||
// \\r matches \r | ||
// \\s matches any ASCII whitespace, including \n | ||
// \\S matches any character that's not a whitespace | ||
// \\t matches \t | ||
// \\v matches \v | ||
// \\w matches any letter, _, or decimal digit | ||
// \\W matches any character that \\w doesn't match | ||
// \\c matches any literal character c, which must be a punctuation | ||
// . matches any single character except \n | ||
// A? matches 0 or 1 occurrences of A | ||
// A* matches 0 or many occurrences of A | ||
// A+ matches 1 or many occurrences of A | ||
// ^ matches the beginning of a string (not that of each line) | ||
// $ matches the end of a string (not that of each line) | ||
// xy matches x followed by y | ||
// | ||
// If you accidentally use PCRE or POSIX extended regex features | ||
// not implemented by us, you will get a run-time failure. In that | ||
// case, please try to rewrite your regular expression within the | ||
// above syntax. | ||
// | ||
// This implementation is *not* meant to be as highly tuned or robust | ||
// as a compiled regex library, but should perform well enough for a | ||
// death test, which already incurs significant overhead by launching | ||
// a child process. | ||
// | ||
// Known caveats: | ||
// | ||
// A "threadsafe" style death test obtains the path to the test | ||
// program from argv[0] and re-executes it in the sub-process. For | ||
// simplicity, the current implementation doesn't search the PATH | ||
// when launching the sub-process. This means that the user must | ||
// invoke the test program via a path that contains at least one | ||
// path separator (e.g. path/to/foo_test and | ||
// /absolute/path/to/bar_test are fine, but foo_test is not). This | ||
// is rarely a problem as people usually don't put the test binary | ||
// directory in PATH. | ||
// | ||
// TODO(wan@google.com): make thread-safe death tests search the PATH. | ||
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// Asserts that a given statement causes the program to exit, with an | ||
// integer exit status that satisfies predicate, and emitting error output | ||
// that matches regex. | ||
# define ASSERT_EXIT(statement, predicate, regex) \ | ||
GTEST_DEATH_TEST_(statement, predicate, regex, GTEST_FATAL_FAILURE_) | ||
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// Like ASSERT_EXIT, but continues on to successive tests in the | ||
// test case, if any: | ||
# define EXPECT_EXIT(statement, predicate, regex) \ | ||
GTEST_DEATH_TEST_(statement, predicate, regex, GTEST_NONFATAL_FAILURE_) | ||
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// Asserts that a given statement causes the program to exit, either by | ||
// explicitly exiting with a nonzero exit code or being killed by a | ||
// signal, and emitting error output that matches regex. | ||
# define ASSERT_DEATH(statement, regex) \ | ||
ASSERT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, regex) | ||
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// Like ASSERT_DEATH, but continues on to successive tests in the | ||
// test case, if any: | ||
# define EXPECT_DEATH(statement, regex) \ | ||
EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, regex) | ||
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// Two predicate classes that can be used in {ASSERT,EXPECT}_EXIT*: | ||
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// Tests that an exit code describes a normal exit with a given exit code. | ||
class GTEST_API_ ExitedWithCode { | ||
public: | ||
explicit ExitedWithCode(int exit_code); | ||
bool operator()(int exit_status) const; | ||
private: | ||
// No implementation - assignment is unsupported. | ||
void operator=(const ExitedWithCode& other); | ||
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const int exit_code_; | ||
}; | ||
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# if !GTEST_OS_WINDOWS | ||
// Tests that an exit code describes an exit due to termination by a | ||
// given signal. | ||
class GTEST_API_ KilledBySignal { | ||
public: | ||
explicit KilledBySignal(int signum); | ||
bool operator()(int exit_status) const; | ||
private: | ||
const int signum_; | ||
}; | ||
# endif // !GTEST_OS_WINDOWS | ||
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// EXPECT_DEBUG_DEATH asserts that the given statements die in debug mode. | ||
// The death testing framework causes this to have interesting semantics, | ||
// since the sideeffects of the call are only visible in opt mode, and not | ||
// in debug mode. | ||
// | ||
// In practice, this can be used to test functions that utilize the | ||
// LOG(DFATAL) macro using the following style: | ||
// | ||
// int DieInDebugOr12(int* sideeffect) { | ||
// if (sideeffect) { | ||
// *sideeffect = 12; | ||
// } | ||
// LOG(DFATAL) << "death"; | ||
// return 12; | ||
// } | ||
// | ||
// TEST(TestCase, TestDieOr12WorksInDgbAndOpt) { | ||
// int sideeffect = 0; | ||
// // Only asserts in dbg. | ||
// EXPECT_DEBUG_DEATH(DieInDebugOr12(&sideeffect), "death"); | ||
// | ||
// #ifdef NDEBUG | ||
// // opt-mode has sideeffect visible. | ||
// EXPECT_EQ(12, sideeffect); | ||
// #else | ||
// // dbg-mode no visible sideeffect. | ||
// EXPECT_EQ(0, sideeffect); | ||
// #endif | ||
// } | ||
// | ||
// This will assert that DieInDebugReturn12InOpt() crashes in debug | ||
// mode, usually due to a DCHECK or LOG(DFATAL), but returns the | ||
// appropriate fallback value (12 in this case) in opt mode. If you | ||
// need to test that a function has appropriate side-effects in opt | ||
// mode, include assertions against the side-effects. A general | ||
// pattern for this is: | ||
// | ||
// EXPECT_DEBUG_DEATH({ | ||
// // Side-effects here will have an effect after this statement in | ||
// // opt mode, but none in debug mode. | ||
// EXPECT_EQ(12, DieInDebugOr12(&sideeffect)); | ||
// }, "death"); | ||
// | ||
# ifdef NDEBUG | ||
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# define EXPECT_DEBUG_DEATH(statement, regex) \ | ||
GTEST_EXECUTE_STATEMENT_(statement, regex) | ||
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# define ASSERT_DEBUG_DEATH(statement, regex) \ | ||
GTEST_EXECUTE_STATEMENT_(statement, regex) | ||
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# else | ||
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# define EXPECT_DEBUG_DEATH(statement, regex) \ | ||
EXPECT_DEATH(statement, regex) | ||
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# define ASSERT_DEBUG_DEATH(statement, regex) \ | ||
ASSERT_DEATH(statement, regex) | ||
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# endif // NDEBUG for EXPECT_DEBUG_DEATH | ||
#endif // GTEST_HAS_DEATH_TEST | ||
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// EXPECT_DEATH_IF_SUPPORTED(statement, regex) and | ||
// ASSERT_DEATH_IF_SUPPORTED(statement, regex) expand to real death tests if | ||
// death tests are supported; otherwise they just issue a warning. This is | ||
// useful when you are combining death test assertions with normal test | ||
// assertions in one test. | ||
#if GTEST_HAS_DEATH_TEST | ||
# define EXPECT_DEATH_IF_SUPPORTED(statement, regex) \ | ||
EXPECT_DEATH(statement, regex) | ||
# define ASSERT_DEATH_IF_SUPPORTED(statement, regex) \ | ||
ASSERT_DEATH(statement, regex) | ||
#else | ||
# define EXPECT_DEATH_IF_SUPPORTED(statement, regex) \ | ||
GTEST_UNSUPPORTED_DEATH_TEST_(statement, regex, ) | ||
# define ASSERT_DEATH_IF_SUPPORTED(statement, regex) \ | ||
GTEST_UNSUPPORTED_DEATH_TEST_(statement, regex, return) | ||
#endif | ||
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} // namespace testing | ||
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#endif // GTEST_INCLUDE_GTEST_GTEST_DEATH_TEST_H_ |
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