googletest-death-test-test.cc
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googletest-death-test-test.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.

			//
			// Tests for death tests.

			#include "gtest/gtest-death-test.h"

			#include "gtest/gtest.h"
			#include "gtest/internal/gtest-filepath.h"

			using testing::internal::AlwaysFalse;
			using testing::internal::AlwaysTrue;

			#if GTEST_HAS_DEATH_TEST

			# if GTEST_OS_WINDOWS
			# include <direct.h> // For chdir().
			# else
			# include <unistd.h>
			# include <sys/wait.h> // For waitpid.
			# endif // GTEST_OS_WINDOWS

			# include <limits.h>
			# include <signal.h>
			# include <stdio.h>

			# if GTEST_OS_LINUX
			# include <sys/time.h>
			# endif // GTEST_OS_LINUX

			# include "gtest/gtest-spi.h"
			# include "src/gtest-internal-inl.h"

			namespace posix = ::testing::internal::posix;

			using testing::ContainsRegex;
			using testing::Matcher;
			using testing::Message;
			using testing::internal::DeathTest;
			using testing::internal::DeathTestFactory;
			using testing::internal::FilePath;
			using testing::internal::GetLastErrnoDescription;
			using testing::internal::GetUnitTestImpl;
			using testing::internal::InDeathTestChild;
			using testing::internal::ParseNaturalNumber;

			namespace testing {
			namespace internal {

			// A helper class whose objects replace the death test factory for a
			// single UnitTest object during their lifetimes.
			class ReplaceDeathTestFactory {
			public:
			explicit ReplaceDeathTestFactory(DeathTestFactory* new_factory)
			: unit_test_impl_(GetUnitTestImpl()) {
			old_factory_ = unit_test_impl_->death_test_factory_.release();
			unit_test_impl_->death_test_factory_.reset(new_factory);
			}

			~ReplaceDeathTestFactory() {
			unit_test_impl_->death_test_factory_.release();
			unit_test_impl_->death_test_factory_.reset(old_factory_);
			}
			private:
			// Prevents copying ReplaceDeathTestFactory objects.
			ReplaceDeathTestFactory(const ReplaceDeathTestFactory&);
			void operator=(const ReplaceDeathTestFactory&);

			UnitTestImpl* unit_test_impl_;
			DeathTestFactory* old_factory_;
			};

			} // namespace internal
			} // namespace testing

			namespace {

			void DieWithMessage(const ::std::string& message) {
			fprintf(stderr, "%s", message.c_str());
			fflush(stderr); // Make sure the text is printed before the process exits.

			// We call _exit() instead of exit(), as the former is a direct
			// system call and thus safer in the presence of threads. exit()
			// will invoke user-defined exit-hooks, which may do dangerous
			// things that conflict with death tests.
			//
			// Some compilers can recognize that _exit() never returns and issue the
			// 'unreachable code' warning for code following this function, unless
			// fooled by a fake condition.
			if (AlwaysTrue())
			_exit(1);
			}

			void DieInside(const ::std::string& function) {
			DieWithMessage("death inside " + function + "().");
			}

			// Tests that death tests work.

			class TestForDeathTest : public testing::Test {
			protected:
			TestForDeathTest() : original_dir_(FilePath::GetCurrentDir()) {}

			~TestForDeathTest() override { posix::ChDir(original_dir_.c_str()); }

			// A static member function that's expected to die.
			static void StaticMemberFunction() { DieInside("StaticMemberFunction"); }

			// A method of the test fixture that may die.
			void MemberFunction() {
			if (should_die_)
			DieInside("MemberFunction");
			}

			// True iff MemberFunction() should die.
			bool should_die_;
			const FilePath original_dir_;
			};

			// A class with a member function that may die.
			class MayDie {
			public:
			explicit MayDie(bool should_die) : should_die_(should_die) {}

			// A member function that may die.
			void MemberFunction() const {
			if (should_die_)
			DieInside("MayDie::MemberFunction");
			}

			private:
			// True iff MemberFunction() should die.
			bool should_die_;
			};

			// A global function that's expected to die.
			void GlobalFunction() { DieInside("GlobalFunction"); }

			// A non-void function that's expected to die.
			int NonVoidFunction() {
			DieInside("NonVoidFunction");
			return 1;
			}

			// A unary function that may die.
			void DieIf(bool should_die) {
			if (should_die)
			DieInside("DieIf");
			}

			// A binary function that may die.
			bool DieIfLessThan(int x, int y) {
			if (x < y) {
			DieInside("DieIfLessThan");
			}
			return true;
			}

			// Tests that ASSERT_DEATH can be used outside a TEST, TEST_F, or test fixture.
			void DeathTestSubroutine() {
			EXPECT_DEATH(GlobalFunction(), "death.*GlobalFunction");
			ASSERT_DEATH(GlobalFunction(), "death.*GlobalFunction");
			}

			// Death in dbg, not opt.
			int DieInDebugElse12(int* sideeffect) {
			if (sideeffect) *sideeffect = 12;

			# ifndef NDEBUG

			DieInside("DieInDebugElse12");

			# endif // NDEBUG

			return 12;
			}

			# if GTEST_OS_WINDOWS \|\| GTEST_OS_FUCHSIA

			// Tests the ExitedWithCode predicate.
			TEST(ExitStatusPredicateTest, ExitedWithCode) {
			// On Windows, the process's exit code is the same as its exit status,
			// so the predicate just compares the its input with its parameter.
			EXPECT_TRUE(testing::ExitedWithCode(0)(0));
			EXPECT_TRUE(testing::ExitedWithCode(1)(1));
			EXPECT_TRUE(testing::ExitedWithCode(42)(42));
			EXPECT_FALSE(testing::ExitedWithCode(0)(1));
			EXPECT_FALSE(testing::ExitedWithCode(1)(0));
			}

			# else

			// Returns the exit status of a process that calls _exit(2) with a
			// given exit code. This is a helper function for the
			// ExitStatusPredicateTest test suite.
			static int NormalExitStatus(int exit_code) {
			pid_t child_pid = fork();
			if (child_pid == 0) {
			_exit(exit_code);
			}
			int status;
			waitpid(child_pid, &status, 0);
			return status;
			}

			// Returns the exit status of a process that raises a given signal.
			// If the signal does not cause the process to die, then it returns
			// instead the exit status of a process that exits normally with exit
			// code 1. This is a helper function for the ExitStatusPredicateTest
			// test suite.
			static int KilledExitStatus(int signum) {
			pid_t child_pid = fork();
			if (child_pid == 0) {
			raise(signum);
			_exit(1);
			}
			int status;
			waitpid(child_pid, &status, 0);
			return status;
			}

			// Tests the ExitedWithCode predicate.
			TEST(ExitStatusPredicateTest, ExitedWithCode) {
			const int status0 = NormalExitStatus(0);
			const int status1 = NormalExitStatus(1);
			const int status42 = NormalExitStatus(42);
			const testing::ExitedWithCode pred0(0);
			const testing::ExitedWithCode pred1(1);
			const testing::ExitedWithCode pred42(42);
			EXPECT_PRED1(pred0, status0);
			EXPECT_PRED1(pred1, status1);
			EXPECT_PRED1(pred42, status42);
			EXPECT_FALSE(pred0(status1));
			EXPECT_FALSE(pred42(status0));
			EXPECT_FALSE(pred1(status42));
			}

			// Tests the KilledBySignal predicate.
			TEST(ExitStatusPredicateTest, KilledBySignal) {
			const int status_segv = KilledExitStatus(SIGSEGV);
			const int status_kill = KilledExitStatus(SIGKILL);
			const testing::KilledBySignal pred_segv(SIGSEGV);
			const testing::KilledBySignal pred_kill(SIGKILL);
			EXPECT_PRED1(pred_segv, status_segv);
			EXPECT_PRED1(pred_kill, status_kill);
			EXPECT_FALSE(pred_segv(status_kill));
			EXPECT_FALSE(pred_kill(status_segv));
			}

			# endif // GTEST_OS_WINDOWS \|\| GTEST_OS_FUCHSIA

			// Tests that the death test macros expand to code which may or may not
			// be followed by operator<<, and that in either case the complete text
			// comprises only a single C++ statement.
			TEST_F(TestForDeathTest, SingleStatement) {
			if (AlwaysFalse())
			// This would fail if executed; this is a compilation test only
			ASSERT_DEATH(return, "");

			if (AlwaysTrue())
			EXPECT_DEATH(_exit(1), "");
			else
			// This empty "else" branch is meant to ensure that EXPECT_DEATH
			// doesn't expand into an "if" statement without an "else"
			;

			if (AlwaysFalse())
			ASSERT_DEATH(return, "") << "did not die";

			if (AlwaysFalse())
			;
			else
			EXPECT_DEATH(_exit(1), "") << 1 << 2 << 3;
			}

			# if GTEST_USES_PCRE

			void DieWithEmbeddedNul() {
			fprintf(stderr, "Hello%cmy null world.\n", '\0');
			fflush(stderr);
			_exit(1);
			}

			// Tests that EXPECT_DEATH and ASSERT_DEATH work when the error
			// message has a NUL character in it.
			TEST_F(TestForDeathTest, EmbeddedNulInMessage) {
			EXPECT_DEATH(DieWithEmbeddedNul(), "my null world");
			ASSERT_DEATH(DieWithEmbeddedNul(), "my null world");
			}

			# endif // GTEST_USES_PCRE

			// Tests that death test macros expand to code which interacts well with switch
			// statements.
			TEST_F(TestForDeathTest, SwitchStatement) {
			// Microsoft compiler usually complains about switch statements without
			// case labels. We suppress that warning for this test.
			GTEST_DISABLE_MSC_WARNINGS_PUSH_(4065)

			switch (0)
			default:
			ASSERT_DEATH(_exit(1), "") << "exit in default switch handler";

			switch (0)
			case 0:
			EXPECT_DEATH(_exit(1), "") << "exit in switch case";

			GTEST_DISABLE_MSC_WARNINGS_POP_()
			}

			// Tests that a static member function can be used in a "fast" style
			// death test.
			TEST_F(TestForDeathTest, StaticMemberFunctionFastStyle) {
			testing::GTEST_FLAG(death_test_style) = "fast";
			ASSERT_DEATH(StaticMemberFunction(), "death.*StaticMember");
			}

			// Tests that a method of the test fixture can be used in a "fast"
			// style death test.
			TEST_F(TestForDeathTest, MemberFunctionFastStyle) {
			testing::GTEST_FLAG(death_test_style) = "fast";
			should_die_ = true;
			EXPECT_DEATH(MemberFunction(), "inside.*MemberFunction");
			}

			void ChangeToRootDir() { posix::ChDir(GTEST_PATH_SEP_); }

			// Tests that death tests work even if the current directory has been
			// changed.
			TEST_F(TestForDeathTest, FastDeathTestInChangedDir) {
			testing::GTEST_FLAG(death_test_style) = "fast";

			ChangeToRootDir();
			EXPECT_EXIT(_exit(1), testing::ExitedWithCode(1), "");

			ChangeToRootDir();
			ASSERT_DEATH(_exit(1), "");
			}

			# if GTEST_OS_LINUX
			void SigprofAction(int, siginfo_t, void) { /* no op */ }

			// Sets SIGPROF action and ITIMER_PROF timer (interval: 1ms).
			void SetSigprofActionAndTimer() {
			struct itimerval timer;
			timer.it_interval.tv_sec = 0;
			timer.it_interval.tv_usec = 1;
			timer.it_value = timer.it_interval;
			ASSERT_EQ(0, setitimer(ITIMER_PROF, &timer, nullptr));
			struct sigaction signal_action;
			memset(&signal_action, 0, sizeof(signal_action));
			sigemptyset(&signal_action.sa_mask);
			signal_action.sa_sigaction = SigprofAction;
			signal_action.sa_flags = SA_RESTART \| SA_SIGINFO;
			ASSERT_EQ(0, sigaction(SIGPROF, &signal_action, nullptr));
			}

			// Disables ITIMER_PROF timer and ignores SIGPROF signal.
			void DisableSigprofActionAndTimer(struct sigaction* old_signal_action) {
			struct itimerval timer;
			timer.it_interval.tv_sec = 0;
			timer.it_interval.tv_usec = 0;
			timer.it_value = timer.it_interval;
			ASSERT_EQ(0, setitimer(ITIMER_PROF, &timer, nullptr));
			struct sigaction signal_action;
			memset(&signal_action, 0, sizeof(signal_action));
			sigemptyset(&signal_action.sa_mask);
			signal_action.sa_handler = SIG_IGN;
			ASSERT_EQ(0, sigaction(SIGPROF, &signal_action, old_signal_action));
			}

			// Tests that death tests work when SIGPROF handler and timer are set.
			TEST_F(TestForDeathTest, FastSigprofActionSet) {
			testing::GTEST_FLAG(death_test_style) = "fast";
			SetSigprofActionAndTimer();
			EXPECT_DEATH(_exit(1), "");
			struct sigaction old_signal_action;
			DisableSigprofActionAndTimer(&old_signal_action);
			EXPECT_TRUE(old_signal_action.sa_sigaction == SigprofAction);
			}

			TEST_F(TestForDeathTest, ThreadSafeSigprofActionSet) {
			testing::GTEST_FLAG(death_test_style) = "threadsafe";
			SetSigprofActionAndTimer();
			EXPECT_DEATH(_exit(1), "");
			struct sigaction old_signal_action;
			DisableSigprofActionAndTimer(&old_signal_action);
			EXPECT_TRUE(old_signal_action.sa_sigaction == SigprofAction);
			}
			# endif // GTEST_OS_LINUX

			// Repeats a representative sample of death tests in the "threadsafe" style:

			TEST_F(TestForDeathTest, StaticMemberFunctionThreadsafeStyle) {
			testing::GTEST_FLAG(death_test_style) = "threadsafe";
			ASSERT_DEATH(StaticMemberFunction(), "death.*StaticMember");
			}

			TEST_F(TestForDeathTest, MemberFunctionThreadsafeStyle) {
			testing::GTEST_FLAG(death_test_style) = "threadsafe";
			should_die_ = true;
			EXPECT_DEATH(MemberFunction(), "inside.*MemberFunction");
			}

			TEST_F(TestForDeathTest, ThreadsafeDeathTestInLoop) {
			testing::GTEST_FLAG(death_test_style) = "threadsafe";

			for (int i = 0; i < 3; ++i)
			EXPECT_EXIT(_exit(i), testing::ExitedWithCode(i), "") << ": i = " << i;
			}

			TEST_F(TestForDeathTest, ThreadsafeDeathTestInChangedDir) {
			testing::GTEST_FLAG(death_test_style) = "threadsafe";

			ChangeToRootDir();
			EXPECT_EXIT(_exit(1), testing::ExitedWithCode(1), "");

			ChangeToRootDir();
			ASSERT_DEATH(_exit(1), "");
			}

			TEST_F(TestForDeathTest, MixedStyles) {
			testing::GTEST_FLAG(death_test_style) = "threadsafe";
			EXPECT_DEATH(_exit(1), "");
			testing::GTEST_FLAG(death_test_style) = "fast";
			EXPECT_DEATH(_exit(1), "");
			}

			# if GTEST_HAS_CLONE && GTEST_HAS_PTHREAD

			bool pthread_flag;

			void SetPthreadFlag() {
			pthread_flag = true;
			}

			TEST_F(TestForDeathTest, DoesNotExecuteAtforkHooks) {
			if (!testing::GTEST_FLAG(death_test_use_fork)) {
			testing::GTEST_FLAG(death_test_style) = "threadsafe";
			pthread_flag = false;
			ASSERT_EQ(0, pthread_atfork(&SetPthreadFlag, nullptr, nullptr));
			ASSERT_DEATH(_exit(1), "");
			ASSERT_FALSE(pthread_flag);
			}
			}

			# endif // GTEST_HAS_CLONE && GTEST_HAS_PTHREAD

			// Tests that a method of another class can be used in a death test.
			TEST_F(TestForDeathTest, MethodOfAnotherClass) {
			const MayDie x(true);
			ASSERT_DEATH(x.MemberFunction(), "MayDie\\:\\:MemberFunction");
			}

			// Tests that a global function can be used in a death test.
			TEST_F(TestForDeathTest, GlobalFunction) {
			EXPECT_DEATH(GlobalFunction(), "GlobalFunction");
			}

			// Tests that any value convertible to an RE works as a second
			// argument to EXPECT_DEATH.
			TEST_F(TestForDeathTest, AcceptsAnythingConvertibleToRE) {
			static const char regex_c_str[] = "GlobalFunction";
			EXPECT_DEATH(GlobalFunction(), regex_c_str);

			const testing::internal::RE regex(regex_c_str);
			EXPECT_DEATH(GlobalFunction(), regex);

			# if GTEST_HAS_GLOBAL_STRING

			const ::string regex_str(regex_c_str);
			EXPECT_DEATH(GlobalFunction(), regex_str);

			// This one is tricky; a temporary pointer into another temporary. Reference
			// lifetime extension of the pointer is not sufficient.
			EXPECT_DEATH(GlobalFunction(), ::string(regex_c_str).c_str());

			# endif // GTEST_HAS_GLOBAL_STRING

			# if !GTEST_USES_PCRE

			const ::std::string regex_std_str(regex_c_str);
			EXPECT_DEATH(GlobalFunction(), regex_std_str);

			// This one is tricky; a temporary pointer into another temporary. Reference
			// lifetime extension of the pointer is not sufficient.
			EXPECT_DEATH(GlobalFunction(), ::std::string(regex_c_str).c_str());

			# endif // !GTEST_USES_PCRE
			}

			// Tests that a non-void function can be used in a death test.
			TEST_F(TestForDeathTest, NonVoidFunction) {
			ASSERT_DEATH(NonVoidFunction(), "NonVoidFunction");
			}

			// Tests that functions that take parameter(s) can be used in a death test.
			TEST_F(TestForDeathTest, FunctionWithParameter) {
			EXPECT_DEATH(DieIf(true), "DieIf\\(\\)");
			EXPECT_DEATH(DieIfLessThan(2, 3), "DieIfLessThan");
			}

			// Tests that ASSERT_DEATH can be used outside a TEST, TEST_F, or test fixture.
			TEST_F(TestForDeathTest, OutsideFixture) {
			DeathTestSubroutine();
			}

			// Tests that death tests can be done inside a loop.
			TEST_F(TestForDeathTest, InsideLoop) {
			for (int i = 0; i < 5; i++) {
			EXPECT_DEATH(DieIfLessThan(-1, i), "DieIfLessThan") << "where i == " << i;
			}
			}

			// Tests that a compound statement can be used in a death test.
			TEST_F(TestForDeathTest, CompoundStatement) {
			EXPECT_DEATH({ // NOLINT
			const int x = 2;
			const int y = x + 1;
			DieIfLessThan(x, y);
			},
			"DieIfLessThan");
			}

			// Tests that code that doesn't die causes a death test to fail.
			TEST_F(TestForDeathTest, DoesNotDie) {
			EXPECT_NONFATAL_FAILURE(EXPECT_DEATH(DieIf(false), "DieIf"),
			"failed to die");
			}

			// Tests that a death test fails when the error message isn't expected.
			TEST_F(TestForDeathTest, ErrorMessageMismatch) {
			EXPECT_NONFATAL_FAILURE({ // NOLINT
			EXPECT_DEATH(DieIf(true), "DieIfLessThan") << "End of death test message.";
			}, "died but not with expected error");
			}

			// On exit, *aborted will be true iff the EXPECT_DEATH() statement
			// aborted the function.
			void ExpectDeathTestHelper(bool* aborted) {
			*aborted = true;
			EXPECT_DEATH(DieIf(false), "DieIf"); // This assertion should fail.
			*aborted = false;
			}

			// Tests that EXPECT_DEATH doesn't abort the test on failure.
			TEST_F(TestForDeathTest, EXPECT_DEATH) {
			bool aborted = true;
			EXPECT_NONFATAL_FAILURE(ExpectDeathTestHelper(&aborted),
			"failed to die");
			EXPECT_FALSE(aborted);
			}

			// Tests that ASSERT_DEATH does abort the test on failure.
			TEST_F(TestForDeathTest, ASSERT_DEATH) {
			static bool aborted;
			EXPECT_FATAL_FAILURE({ // NOLINT
			aborted = true;
			ASSERT_DEATH(DieIf(false), "DieIf"); // This assertion should fail.
			aborted = false;
			}, "failed to die");
			EXPECT_TRUE(aborted);
			}

			// Tests that EXPECT_DEATH evaluates the arguments exactly once.
			TEST_F(TestForDeathTest, SingleEvaluation) {
			int x = 3;
			EXPECT_DEATH(DieIf((++x) == 4), "DieIf");

			const char* regex = "DieIf";
			const char* regex_save = regex;
			EXPECT_DEATH(DieIfLessThan(3, 4), regex++);
			EXPECT_EQ(regex_save + 1, regex);
			}

			// Tests that run-away death tests are reported as failures.
			TEST_F(TestForDeathTest, RunawayIsFailure) {
			EXPECT_NONFATAL_FAILURE(EXPECT_DEATH(static_cast<void>(0), "Foo"),
			"failed to die.");
			}

			// Tests that death tests report executing 'return' in the statement as
			// failure.
			TEST_F(TestForDeathTest, ReturnIsFailure) {
			EXPECT_FATAL_FAILURE(ASSERT_DEATH(return, "Bar"),
			"illegal return in test statement.");
			}

			// Tests that EXPECT_DEBUG_DEATH works as expected, that is, you can stream a
			// message to it, and in debug mode it:
			// 1. Asserts on death.
			// 2. Has no side effect.
			//
			// And in opt mode, it:
			// 1. Has side effects but does not assert.
			TEST_F(TestForDeathTest, TestExpectDebugDeath) {
			int sideeffect = 0;

			// Put the regex in a local variable to make sure we don't get an "unused"
			// warning in opt mode.
			const char* regex = "death.*DieInDebugElse12";

			EXPECT_DEBUG_DEATH(DieInDebugElse12(&sideeffect), regex)
			<< "Must accept a streamed message";

			# ifdef NDEBUG

			// Checks that the assignment occurs in opt mode (sideeffect).
			EXPECT_EQ(12, sideeffect);

			# else

			// Checks that the assignment does not occur in dbg mode (no sideeffect).
			EXPECT_EQ(0, sideeffect);

			# endif
			}

			// Tests that ASSERT_DEBUG_DEATH works as expected, that is, you can stream a
			// message to it, and in debug mode it:
			// 1. Asserts on death.
			// 2. Has no side effect.
			//
			// And in opt mode, it:
			// 1. Has side effects but does not assert.
			TEST_F(TestForDeathTest, TestAssertDebugDeath) {
			int sideeffect = 0;

			ASSERT_DEBUG_DEATH(DieInDebugElse12(&sideeffect), "death.*DieInDebugElse12")
			<< "Must accept a streamed message";

			# ifdef NDEBUG

			// Checks that the assignment occurs in opt mode (sideeffect).
			EXPECT_EQ(12, sideeffect);

			# else

			// Checks that the assignment does not occur in dbg mode (no sideeffect).
			EXPECT_EQ(0, sideeffect);

			# endif
			}

			# ifndef NDEBUG

			void ExpectDebugDeathHelper(bool* aborted) {
			*aborted = true;
			EXPECT_DEBUG_DEATH(return, "") << "This is expected to fail.";
			*aborted = false;
			}

			# if GTEST_OS_WINDOWS
			TEST(PopUpDeathTest, DoesNotShowPopUpOnAbort) {
			printf("This test should be considered failing if it shows "
			"any pop-up dialogs.\n");
			fflush(stdout);

			EXPECT_DEATH({
			testing::GTEST_FLAG(catch_exceptions) = false;
			abort();
			}, "");
			}
			# endif // GTEST_OS_WINDOWS

			// Tests that EXPECT_DEBUG_DEATH in debug mode does not abort
			// the function.
			TEST_F(TestForDeathTest, ExpectDebugDeathDoesNotAbort) {
			bool aborted = true;
			EXPECT_NONFATAL_FAILURE(ExpectDebugDeathHelper(&aborted), "");
			EXPECT_FALSE(aborted);
			}

			void AssertDebugDeathHelper(bool* aborted) {
			*aborted = true;
			GTEST_LOG_(INFO) << "Before ASSERT_DEBUG_DEATH";
			ASSERT_DEBUG_DEATH(GTEST_LOG_(INFO) << "In ASSERT_DEBUG_DEATH"; return, "")
			<< "This is expected to fail.";
			GTEST_LOG_(INFO) << "After ASSERT_DEBUG_DEATH";
			*aborted = false;
			}

			// Tests that ASSERT_DEBUG_DEATH in debug mode aborts the function on
			// failure.
			TEST_F(TestForDeathTest, AssertDebugDeathAborts) {
			static bool aborted;
			aborted = false;
			EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
			EXPECT_TRUE(aborted);
			}

			TEST_F(TestForDeathTest, AssertDebugDeathAborts2) {
			static bool aborted;
			aborted = false;
			EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
			EXPECT_TRUE(aborted);
			}

			TEST_F(TestForDeathTest, AssertDebugDeathAborts3) {
			static bool aborted;
			aborted = false;
			EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
			EXPECT_TRUE(aborted);
			}

			TEST_F(TestForDeathTest, AssertDebugDeathAborts4) {
			static bool aborted;
			aborted = false;
			EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
			EXPECT_TRUE(aborted);
			}

			TEST_F(TestForDeathTest, AssertDebugDeathAborts5) {
			static bool aborted;
			aborted = false;
			EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
			EXPECT_TRUE(aborted);
			}

			TEST_F(TestForDeathTest, AssertDebugDeathAborts6) {
			static bool aborted;
			aborted = false;
			EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
			EXPECT_TRUE(aborted);
			}

			TEST_F(TestForDeathTest, AssertDebugDeathAborts7) {
			static bool aborted;
			aborted = false;
			EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
			EXPECT_TRUE(aborted);
			}

			TEST_F(TestForDeathTest, AssertDebugDeathAborts8) {
			static bool aborted;
			aborted = false;
			EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
			EXPECT_TRUE(aborted);
			}

			TEST_F(TestForDeathTest, AssertDebugDeathAborts9) {
			static bool aborted;
			aborted = false;
			EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
			EXPECT_TRUE(aborted);
			}

			TEST_F(TestForDeathTest, AssertDebugDeathAborts10) {
			static bool aborted;
			aborted = false;
			EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
			EXPECT_TRUE(aborted);
			}

			# endif // _NDEBUG

			// Tests the *_EXIT family of macros, using a variety of predicates.
			static void TestExitMacros() {
			EXPECT_EXIT(_exit(1), testing::ExitedWithCode(1), "");
			ASSERT_EXIT(_exit(42), testing::ExitedWithCode(42), "");

			# if GTEST_OS_WINDOWS

			// Of all signals effects on the process exit code, only those of SIGABRT
			// are documented on Windows.
			// See https://msdn.microsoft.com/en-us/query-bi/m/dwwzkt4c.
			EXPECT_EXIT(raise(SIGABRT), testing::ExitedWithCode(3), "") << "b_ar";

			# elif !GTEST_OS_FUCHSIA

			// Fuchsia has no unix signals.
			EXPECT_EXIT(raise(SIGKILL), testing::KilledBySignal(SIGKILL), "") << "foo";
			ASSERT_EXIT(raise(SIGUSR2), testing::KilledBySignal(SIGUSR2), "") << "bar";

			EXPECT_FATAL_FAILURE({ // NOLINT
			ASSERT_EXIT(_exit(0), testing::KilledBySignal(SIGSEGV), "")
			<< "This failure is expected, too.";
			}, "This failure is expected, too.");

			# endif // GTEST_OS_WINDOWS

			EXPECT_NONFATAL_FAILURE({ // NOLINT
			EXPECT_EXIT(raise(SIGSEGV), testing::ExitedWithCode(0), "")
			<< "This failure is expected.";
			}, "This failure is expected.");
			}

			TEST_F(TestForDeathTest, ExitMacros) {
			TestExitMacros();
			}

			TEST_F(TestForDeathTest, ExitMacrosUsingFork) {
			testing::GTEST_FLAG(death_test_use_fork) = true;
			TestExitMacros();
			}

			TEST_F(TestForDeathTest, InvalidStyle) {
			testing::GTEST_FLAG(death_test_style) = "rococo";
			EXPECT_NONFATAL_FAILURE({ // NOLINT
			EXPECT_DEATH(_exit(0), "") << "This failure is expected.";
			}, "This failure is expected.");
			}

			TEST_F(TestForDeathTest, DeathTestFailedOutput) {
			testing::GTEST_FLAG(death_test_style) = "fast";
			EXPECT_NONFATAL_FAILURE(
			EXPECT_DEATH(DieWithMessage("death\n"),
			"expected message"),
			"Actual msg:\n"
			"[ DEATH ] death\n");
			}

			TEST_F(TestForDeathTest, DeathTestUnexpectedReturnOutput) {
			testing::GTEST_FLAG(death_test_style) = "fast";
			EXPECT_NONFATAL_FAILURE(
			EXPECT_DEATH({
			fprintf(stderr, "returning\n");
			fflush(stderr);
			return;
			}, ""),
			" Result: illegal return in test statement.\n"
			" Error msg:\n"
			"[ DEATH ] returning\n");
			}

			TEST_F(TestForDeathTest, DeathTestBadExitCodeOutput) {
			testing::GTEST_FLAG(death_test_style) = "fast";
			EXPECT_NONFATAL_FAILURE(
			EXPECT_EXIT(DieWithMessage("exiting with rc 1\n"),
			testing::ExitedWithCode(3),
			"expected message"),
			" Result: died but not with expected exit code:\n"
			" Exited with exit status 1\n"
			"Actual msg:\n"
			"[ DEATH ] exiting with rc 1\n");
			}

			TEST_F(TestForDeathTest, DeathTestMultiLineMatchFail) {
			testing::GTEST_FLAG(death_test_style) = "fast";
			EXPECT_NONFATAL_FAILURE(
			EXPECT_DEATH(DieWithMessage("line 1\nline 2\nline 3\n"),
			"line 1\nxyz\nline 3\n"),
			"Actual msg:\n"
			"[ DEATH ] line 1\n"
			"[ DEATH ] line 2\n"
			"[ DEATH ] line 3\n");
			}

			TEST_F(TestForDeathTest, DeathTestMultiLineMatchPass) {
			testing::GTEST_FLAG(death_test_style) = "fast";
			EXPECT_DEATH(DieWithMessage("line 1\nline 2\nline 3\n"),
			"line 1\nline 2\nline 3\n");
			}

			// A DeathTestFactory that returns MockDeathTests.
			class MockDeathTestFactory : public DeathTestFactory {
			public:
			MockDeathTestFactory();
			bool Create(const char* statement,
			testing::Matcher<const std::string&> matcher, const char* file,
			int line, DeathTest** test) override;

			// Sets the parameters for subsequent calls to Create.
			void SetParameters(bool create, DeathTest::TestRole role,
			int status, bool passed);

			// Accessors.
			int AssumeRoleCalls() const { return assume_role_calls_; }
			int WaitCalls() const { return wait_calls_; }
			size_t PassedCalls() const { return passed_args_.size(); }
			bool PassedArgument(int n) const { return passed_args_[n]; }
			size_t AbortCalls() const { return abort_args_.size(); }
			DeathTest::AbortReason AbortArgument(int n) const {
			return abort_args_[n];
			}
			bool TestDeleted() const { return test_deleted_; }

			private:
			friend class MockDeathTest;
			// If true, Create will return a MockDeathTest; otherwise it returns
			// NULL.
			bool create_;
			// The value a MockDeathTest will return from its AssumeRole method.
			DeathTest::TestRole role_;
			// The value a MockDeathTest will return from its Wait method.
			int status_;
			// The value a MockDeathTest will return from its Passed method.
			bool passed_;

			// Number of times AssumeRole was called.
			int assume_role_calls_;
			// Number of times Wait was called.
			int wait_calls_;
			// The arguments to the calls to Passed since the last call to
			// SetParameters.
			std::vector<bool> passed_args_;
			// The arguments to the calls to Abort since the last call to
			// SetParameters.
			std::vector<DeathTest::AbortReason> abort_args_;
			// True if the last MockDeathTest returned by Create has been
			// deleted.
			bool test_deleted_;
			};


			// A DeathTest implementation useful in testing. It returns values set
			// at its creation from its various inherited DeathTest methods, and
			// reports calls to those methods to its parent MockDeathTestFactory
			// object.
			class MockDeathTest : public DeathTest {
			public:
			MockDeathTest(MockDeathTestFactory *parent,
			TestRole role, int status, bool passed) :
			parent_(parent), role_(role), status_(status), passed_(passed) {
			}
			~MockDeathTest() override { parent_->test_deleted_ = true; }
			TestRole AssumeRole() override {
			++parent_->assume_role_calls_;
			return role_;
			}
			int Wait() override {
			++parent_->wait_calls_;
			return status_;
			}
			bool Passed(bool exit_status_ok) override {
			parent_->passed_args_.push_back(exit_status_ok);
			return passed_;
			}
			void Abort(AbortReason reason) override {
			parent_->abort_args_.push_back(reason);
			}

			private:
			MockDeathTestFactory* const parent_;
			const TestRole role_;
			const int status_;
			const bool passed_;
			};


			// MockDeathTestFactory constructor.
			MockDeathTestFactory::MockDeathTestFactory()
			: create_(true),
			role_(DeathTest::OVERSEE_TEST),
			status_(0),
			passed_(true),
			assume_role_calls_(0),
			wait_calls_(0),
			passed_args_(),
			abort_args_() {
			}


			// Sets the parameters for subsequent calls to Create.
			void MockDeathTestFactory::SetParameters(bool create,
			DeathTest::TestRole role,
			int status, bool passed) {
			create_ = create;
			role_ = role;
			status_ = status;
			passed_ = passed;

			assume_role_calls_ = 0;
			wait_calls_ = 0;
			passed_args_.clear();
			abort_args_.clear();
			}


			// Sets test to NULL (if create_ is false) or to the address of a new
			// MockDeathTest object with parameters taken from the last call
			// to SetParameters (if create_ is true). Always returns true.
			bool MockDeathTestFactory::Create(
			const char* /statement/, testing::Matcher<const std::string&> /matcher/,
			const char* /file/, int /line/, DeathTest** test) {
			test_deleted_ = false;
			if (create_) {
			*test = new MockDeathTest(this, role_, status_, passed_);
			} else {
			*test = nullptr;
			}
			return true;
			}

			// A test fixture for testing the logic of the GTEST_DEATH_TEST_ macro.
			// It installs a MockDeathTestFactory that is used for the duration
			// of the test case.
			class MacroLogicDeathTest : public testing::Test {
			protected:
			static testing::internal::ReplaceDeathTestFactory* replacer_;
			static MockDeathTestFactory* factory_;

			static void SetUpTestCase() {
			factory_ = new MockDeathTestFactory;
			replacer_ = new testing::internal::ReplaceDeathTestFactory(factory_);
			}

			static void TearDownTestCase() {
			delete replacer_;
			replacer_ = nullptr;
			delete factory_;
			factory_ = nullptr;
			}

			// Runs a death test that breaks the rules by returning. Such a death
			// test cannot be run directly from a test routine that uses a
			// MockDeathTest, or the remainder of the routine will not be executed.
			static void RunReturningDeathTest(bool* flag) {
			ASSERT_DEATH({ // NOLINT
			*flag = true;
			return;
			}, "");
			}
			};

			testing::internal::ReplaceDeathTestFactory* MacroLogicDeathTest::replacer_ =
			nullptr;
			MockDeathTestFactory* MacroLogicDeathTest::factory_ = nullptr;

			// Test that nothing happens when the factory doesn't return a DeathTest:
			TEST_F(MacroLogicDeathTest, NothingHappens) {
			bool flag = false;
			factory_->SetParameters(false, DeathTest::OVERSEE_TEST, 0, true);
			EXPECT_DEATH(flag = true, "");
			EXPECT_FALSE(flag);
			EXPECT_EQ(0, factory_->AssumeRoleCalls());
			EXPECT_EQ(0, factory_->WaitCalls());
			EXPECT_EQ(0U, factory_->PassedCalls());
			EXPECT_EQ(0U, factory_->AbortCalls());
			EXPECT_FALSE(factory_->TestDeleted());
			}

			// Test that the parent process doesn't run the death test code,
			// and that the Passed method returns false when the (simulated)
			// child process exits with status 0:
			TEST_F(MacroLogicDeathTest, ChildExitsSuccessfully) {
			bool flag = false;
			factory_->SetParameters(true, DeathTest::OVERSEE_TEST, 0, true);
			EXPECT_DEATH(flag = true, "");
			EXPECT_FALSE(flag);
			EXPECT_EQ(1, factory_->AssumeRoleCalls());
			EXPECT_EQ(1, factory_->WaitCalls());
			ASSERT_EQ(1U, factory_->PassedCalls());
			EXPECT_FALSE(factory_->PassedArgument(0));
			EXPECT_EQ(0U, factory_->AbortCalls());
			EXPECT_TRUE(factory_->TestDeleted());
			}

			// Tests that the Passed method was given the argument "true" when
			// the (simulated) child process exits with status 1:
			TEST_F(MacroLogicDeathTest, ChildExitsUnsuccessfully) {
			bool flag = false;
			factory_->SetParameters(true, DeathTest::OVERSEE_TEST, 1, true);
			EXPECT_DEATH(flag = true, "");
			EXPECT_FALSE(flag);
			EXPECT_EQ(1, factory_->AssumeRoleCalls());
			EXPECT_EQ(1, factory_->WaitCalls());
			ASSERT_EQ(1U, factory_->PassedCalls());
			EXPECT_TRUE(factory_->PassedArgument(0));
			EXPECT_EQ(0U, factory_->AbortCalls());
			EXPECT_TRUE(factory_->TestDeleted());
			}

			// Tests that the (simulated) child process executes the death test
			// code, and is aborted with the correct AbortReason if it
			// executes a return statement.
			TEST_F(MacroLogicDeathTest, ChildPerformsReturn) {
			bool flag = false;
			factory_->SetParameters(true, DeathTest::EXECUTE_TEST, 0, true);
			RunReturningDeathTest(&flag);
			EXPECT_TRUE(flag);
			EXPECT_EQ(1, factory_->AssumeRoleCalls());
			EXPECT_EQ(0, factory_->WaitCalls());
			EXPECT_EQ(0U, factory_->PassedCalls());
			EXPECT_EQ(1U, factory_->AbortCalls());
			EXPECT_EQ(DeathTest::TEST_ENCOUNTERED_RETURN_STATEMENT,
			factory_->AbortArgument(0));
			EXPECT_TRUE(factory_->TestDeleted());
			}

			// Tests that the (simulated) child process is aborted with the
			// correct AbortReason if it does not die.
			TEST_F(MacroLogicDeathTest, ChildDoesNotDie) {
			bool flag = false;
			factory_->SetParameters(true, DeathTest::EXECUTE_TEST, 0, true);
			EXPECT_DEATH(flag = true, "");
			EXPECT_TRUE(flag);
			EXPECT_EQ(1, factory_->AssumeRoleCalls());
			EXPECT_EQ(0, factory_->WaitCalls());
			EXPECT_EQ(0U, factory_->PassedCalls());
			// This time there are two calls to Abort: one since the test didn't
			// die, and another from the ReturnSentinel when it's destroyed. The
			// sentinel normally isn't destroyed if a test doesn't die, since
			// _exit(2) is called in that case by ForkingDeathTest, but not by
			// our MockDeathTest.
			ASSERT_EQ(2U, factory_->AbortCalls());
			EXPECT_EQ(DeathTest::TEST_DID_NOT_DIE,
			factory_->AbortArgument(0));
			EXPECT_EQ(DeathTest::TEST_ENCOUNTERED_RETURN_STATEMENT,
			factory_->AbortArgument(1));
			EXPECT_TRUE(factory_->TestDeleted());
			}

			// Tests that a successful death test does not register a successful
			// test part.
			TEST(SuccessRegistrationDeathTest, NoSuccessPart) {
			EXPECT_DEATH(_exit(1), "");
			EXPECT_EQ(0, GetUnitTestImpl()->current_test_result()->total_part_count());
			}

			TEST(StreamingAssertionsDeathTest, DeathTest) {
			EXPECT_DEATH(_exit(1), "") << "unexpected failure";
			ASSERT_DEATH(_exit(1), "") << "unexpected failure";
			EXPECT_NONFATAL_FAILURE({ // NOLINT
			EXPECT_DEATH(_exit(0), "") << "expected failure";
			}, "expected failure");
			EXPECT_FATAL_FAILURE({ // NOLINT
			ASSERT_DEATH(_exit(0), "") << "expected failure";
			}, "expected failure");
			}

			// Tests that GetLastErrnoDescription returns an empty string when the
			// last error is 0 and non-empty string when it is non-zero.
			TEST(GetLastErrnoDescription, GetLastErrnoDescriptionWorks) {
			errno = ENOENT;
			EXPECT_STRNE("", GetLastErrnoDescription().c_str());
			errno = 0;
			EXPECT_STREQ("", GetLastErrnoDescription().c_str());
			}

			# if GTEST_OS_WINDOWS
			TEST(AutoHandleTest, AutoHandleWorks) {
			HANDLE handle = ::CreateEvent(NULL, FALSE, FALSE, NULL);
			ASSERT_NE(INVALID_HANDLE_VALUE, handle);

			// Tests that the AutoHandle is correctly initialized with a handle.
			testing::internal::AutoHandle auto_handle(handle);
			EXPECT_EQ(handle, auto_handle.Get());

			// Tests that Reset assigns INVALID_HANDLE_VALUE.
			// Note that this cannot verify whether the original handle is closed.
			auto_handle.Reset();
			EXPECT_EQ(INVALID_HANDLE_VALUE, auto_handle.Get());

			// Tests that Reset assigns the new handle.
			// Note that this cannot verify whether the original handle is closed.
			handle = ::CreateEvent(NULL, FALSE, FALSE, NULL);
			ASSERT_NE(INVALID_HANDLE_VALUE, handle);
			auto_handle.Reset(handle);
			EXPECT_EQ(handle, auto_handle.Get());

			// Tests that AutoHandle contains INVALID_HANDLE_VALUE by default.
			testing::internal::AutoHandle auto_handle2;
			EXPECT_EQ(INVALID_HANDLE_VALUE, auto_handle2.Get());
			}
			# endif // GTEST_OS_WINDOWS

			# if GTEST_OS_WINDOWS
			typedef unsigned __int64 BiggestParsable;
			typedef signed __int64 BiggestSignedParsable;
			# else
			typedef unsigned long long BiggestParsable;
			typedef signed long long BiggestSignedParsable;
			# endif // GTEST_OS_WINDOWS

			// We cannot use std::numeric_limits<T>::max() as it clashes with the
			// max() macro defined by <windows.h>.
			const BiggestParsable kBiggestParsableMax = ULLONG_MAX;
			const BiggestSignedParsable kBiggestSignedParsableMax = LLONG_MAX;

			TEST(ParseNaturalNumberTest, RejectsInvalidFormat) {
			BiggestParsable result = 0;

			// Rejects non-numbers.
			EXPECT_FALSE(ParseNaturalNumber("non-number string", &result));

			// Rejects numbers with whitespace prefix.
			EXPECT_FALSE(ParseNaturalNumber(" 123", &result));

			// Rejects negative numbers.
			EXPECT_FALSE(ParseNaturalNumber("-123", &result));

			// Rejects numbers starting with a plus sign.
			EXPECT_FALSE(ParseNaturalNumber("+123", &result));
			errno = 0;
			}

			TEST(ParseNaturalNumberTest, RejectsOverflownNumbers) {
			BiggestParsable result = 0;

			EXPECT_FALSE(ParseNaturalNumber("99999999999999999999999", &result));

			signed char char_result = 0;
			EXPECT_FALSE(ParseNaturalNumber("200", &char_result));
			errno = 0;
			}

			TEST(ParseNaturalNumberTest, AcceptsValidNumbers) {
			BiggestParsable result = 0;

			result = 0;
			ASSERT_TRUE(ParseNaturalNumber("123", &result));
			EXPECT_EQ(123U, result);

			// Check 0 as an edge case.
			result = 1;
			ASSERT_TRUE(ParseNaturalNumber("0", &result));
			EXPECT_EQ(0U, result);

			result = 1;
			ASSERT_TRUE(ParseNaturalNumber("00000", &result));
			EXPECT_EQ(0U, result);
			}

			TEST(ParseNaturalNumberTest, AcceptsTypeLimits) {
			Message msg;
			msg << kBiggestParsableMax;

			BiggestParsable result = 0;
			EXPECT_TRUE(ParseNaturalNumber(msg.GetString(), &result));
			EXPECT_EQ(kBiggestParsableMax, result);

			Message msg2;
			msg2 << kBiggestSignedParsableMax;

			BiggestSignedParsable signed_result = 0;
			EXPECT_TRUE(ParseNaturalNumber(msg2.GetString(), &signed_result));
			EXPECT_EQ(kBiggestSignedParsableMax, signed_result);

			Message msg3;
			msg3 << INT_MAX;

			int int_result = 0;
			EXPECT_TRUE(ParseNaturalNumber(msg3.GetString(), &int_result));
			EXPECT_EQ(INT_MAX, int_result);

			Message msg4;
			msg4 << UINT_MAX;

			unsigned int uint_result = 0;
			EXPECT_TRUE(ParseNaturalNumber(msg4.GetString(), &uint_result));
			EXPECT_EQ(UINT_MAX, uint_result);
			}

			TEST(ParseNaturalNumberTest, WorksForShorterIntegers) {
			short short_result = 0;
			ASSERT_TRUE(ParseNaturalNumber("123", &short_result));
			EXPECT_EQ(123, short_result);

			signed char char_result = 0;
			ASSERT_TRUE(ParseNaturalNumber("123", &char_result));
			EXPECT_EQ(123, char_result);
			}

			# if GTEST_OS_WINDOWS
			TEST(EnvironmentTest, HandleFitsIntoSizeT) {
			// FIXME: Remove this test after this condition is verified
			// in a static assertion in gtest-death-test.cc in the function
			// GetStatusFileDescriptor.
			ASSERT_TRUE(sizeof(HANDLE) <= sizeof(size_t));
			}
			# endif // GTEST_OS_WINDOWS

			// Tests that EXPECT_DEATH_IF_SUPPORTED/ASSERT_DEATH_IF_SUPPORTED trigger
			// failures when death tests are available on the system.
			TEST(ConditionalDeathMacrosDeathTest, ExpectsDeathWhenDeathTestsAvailable) {
			EXPECT_DEATH_IF_SUPPORTED(DieInside("CondDeathTestExpectMacro"),
			"death inside CondDeathTestExpectMacro");
			ASSERT_DEATH_IF_SUPPORTED(DieInside("CondDeathTestAssertMacro"),
			"death inside CondDeathTestAssertMacro");

			// Empty statement will not crash, which must trigger a failure.
			EXPECT_NONFATAL_FAILURE(EXPECT_DEATH_IF_SUPPORTED(;, ""), "");
			EXPECT_FATAL_FAILURE(ASSERT_DEATH_IF_SUPPORTED(;, ""), "");
			}

			TEST(InDeathTestChildDeathTest, ReportsDeathTestCorrectlyInFastStyle) {
			testing::GTEST_FLAG(death_test_style) = "fast";
			EXPECT_FALSE(InDeathTestChild());
			EXPECT_DEATH({
			fprintf(stderr, InDeathTestChild() ? "Inside" : "Outside");
			fflush(stderr);
			_exit(1);
			}, "Inside");
			}

			TEST(InDeathTestChildDeathTest, ReportsDeathTestCorrectlyInThreadSafeStyle) {
			testing::GTEST_FLAG(death_test_style) = "threadsafe";
			EXPECT_FALSE(InDeathTestChild());
			EXPECT_DEATH({
			fprintf(stderr, InDeathTestChild() ? "Inside" : "Outside");
			fflush(stderr);
			_exit(1);
			}, "Inside");
			}

			void DieWithMessage(const char* message) {
			fputs(message, stderr);
			fflush(stderr); // Make sure the text is printed before the process exits.
			_exit(1);
			}

			TEST(MatcherDeathTest, DoesNotBreakBareRegexMatching) {
			// googletest tests this, of course; here we ensure that including googlemock
			// has not broken it.
			EXPECT_DEATH(DieWithMessage("O, I die, Horatio."), "I d[aeiou]e");
			}

			TEST(MatcherDeathTest, MonomorphicMatcherMatches) {
			EXPECT_DEATH(DieWithMessage("Behind O, I am slain!"),
			Matcher<const std::string&>(ContainsRegex("I am slain")));
			}

			TEST(MatcherDeathTest, MonomorphicMatcherDoesNotMatch) {
			EXPECT_NONFATAL_FAILURE(
			EXPECT_DEATH(
			DieWithMessage("Behind O, I am slain!"),
			Matcher<const std::string&>(ContainsRegex("Ow, I am slain"))),
			"Expected: contains regular expression \"Ow, I am slain\"");
			}

			TEST(MatcherDeathTest, PolymorphicMatcherMatches) {
			EXPECT_DEATH(DieWithMessage("The rest is silence."),
			ContainsRegex("rest is silence"));
			}

			TEST(MatcherDeathTest, PolymorphicMatcherDoesNotMatch) {
			EXPECT_NONFATAL_FAILURE(
			EXPECT_DEATH(DieWithMessage("The rest is silence."),
			ContainsRegex("rest is science")),
			"Expected: contains regular expression \"rest is science\"");
			}

			} // namespace

			#else // !GTEST_HAS_DEATH_TEST follows

			namespace {

			using testing::internal::CaptureStderr;
			using testing::internal::GetCapturedStderr;

			// Tests that EXPECT_DEATH_IF_SUPPORTED/ASSERT_DEATH_IF_SUPPORTED are still
			// defined but do not trigger failures when death tests are not available on
			// the system.
			TEST(ConditionalDeathMacrosTest, WarnsWhenDeathTestsNotAvailable) {
			// Empty statement will not crash, but that should not trigger a failure
			// when death tests are not supported.
			CaptureStderr();
			EXPECT_DEATH_IF_SUPPORTED(;, "");
			std::string output = GetCapturedStderr();
			ASSERT_TRUE(NULL != strstr(output.c_str(),
			"Death tests are not supported on this platform"));
			ASSERT_TRUE(NULL != strstr(output.c_str(), ";"));

			// The streamed message should not be printed as there is no test failure.
			CaptureStderr();
			EXPECT_DEATH_IF_SUPPORTED(;, "") << "streamed message";
			output = GetCapturedStderr();
			ASSERT_TRUE(NULL == strstr(output.c_str(), "streamed message"));

			CaptureStderr();
			ASSERT_DEATH_IF_SUPPORTED(;, ""); // NOLINT
			output = GetCapturedStderr();
			ASSERT_TRUE(NULL != strstr(output.c_str(),
			"Death tests are not supported on this platform"));
			ASSERT_TRUE(NULL != strstr(output.c_str(), ";"));

			CaptureStderr();
			ASSERT_DEATH_IF_SUPPORTED(;, "") << "streamed message"; // NOLINT
			output = GetCapturedStderr();
			ASSERT_TRUE(NULL == strstr(output.c_str(), "streamed message"));
			}

			void FuncWithAssert(int* n) {
			ASSERT_DEATH_IF_SUPPORTED(return;, "");
			(*n)++;
			}

			// Tests that ASSERT_DEATH_IF_SUPPORTED does not return from the current
			// function (as ASSERT_DEATH does) if death tests are not supported.
			TEST(ConditionalDeathMacrosTest, AssertDeatDoesNotReturnhIfUnsupported) {
			int n = 0;
			FuncWithAssert(&n);
			EXPECT_EQ(1, n);
			}

			} // namespace

			#endif // !GTEST_HAS_DEATH_TEST

			namespace {

			// Tests that the death test macros expand to code which may or may not
			// be followed by operator<<, and that in either case the complete text
			// comprises only a single C++ statement.
			//
			// The syntax should work whether death tests are available or not.
			TEST(ConditionalDeathMacrosSyntaxDeathTest, SingleStatement) {
			if (AlwaysFalse())
			// This would fail if executed; this is a compilation test only
			ASSERT_DEATH_IF_SUPPORTED(return, "");

			if (AlwaysTrue())
			EXPECT_DEATH_IF_SUPPORTED(_exit(1), "");
			else
			// This empty "else" branch is meant to ensure that EXPECT_DEATH
			// doesn't expand into an "if" statement without an "else"
			; // NOLINT

			if (AlwaysFalse())
			ASSERT_DEATH_IF_SUPPORTED(return, "") << "did not die";

			if (AlwaysFalse())
			; // NOLINT
			else
			EXPECT_DEATH_IF_SUPPORTED(_exit(1), "") << 1 << 2 << 3;
			}

			// Tests that conditional death test macros expand to code which interacts
			// well with switch statements.
			TEST(ConditionalDeathMacrosSyntaxDeathTest, SwitchStatement) {
			// Microsoft compiler usually complains about switch statements without
			// case labels. We suppress that warning for this test.
			GTEST_DISABLE_MSC_WARNINGS_PUSH_(4065)

			switch (0)
			default:
			ASSERT_DEATH_IF_SUPPORTED(_exit(1), "")
			<< "exit in default switch handler";

			switch (0)
			case 0:
			EXPECT_DEATH_IF_SUPPORTED(_exit(1), "") << "exit in switch case";

			GTEST_DISABLE_MSC_WARNINGS_POP_()
			}

			// Tests that a test case whose name ends with "DeathTest" works fine
			// on Windows.
			TEST(NotADeathTest, Test) {
			SUCCEED();
			}

			} // namespace

R7934/Final_v1.4/lib/googletest-master/googletest/test/googletest-death-test-test.cc69abbb54d8d1master

googletest-death-test-test.ccView Options

R7934/Final_v1.4/lib/googletest-master/googletest/test/googletest-death-test-test.cc
69abbb54d8d1master

googletest-death-test-test.cc
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