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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)
+//
+// 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"
+
+// Indicates that this translation unit is part of Google Test's
+// implementation. It must come before gtest-internal-inl.h is
+// included, or there will be a compiler error. This trick is to
+// prevent a user from accidentally including gtest-internal-inl.h in
+// his code.
+# define GTEST_IMPLEMENTATION_ 1
+# include "src/gtest-internal-inl.h"
+# undef GTEST_IMPLEMENTATION_
+
+namespace posix = ::testing::internal::posix;
+
+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
+
+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()) {}
+
+ virtual ~TestForDeathTest() {
+ 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
+
+// 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
+
+// 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;
+}
+
+void DieWithEmbeddedNul() {
+ fprintf(stderr, "Hello%cmy null world.\n", '\0');
+ fflush(stderr);
+ _exit(1);
+}
+
+# if GTEST_USES_PCRE
+// Tests that EXPECT_DEATH and ASSERT_DEATH work when the error
+// message has a NUL character in it.
+TEST_F(TestForDeathTest, EmbeddedNulInMessage) {
+ // TODO(wan@google.com): <regex.h> doesn't support matching strings
+ // with embedded NUL characters - find a way to workaround it.
+ 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.
+# ifdef _MSC_VER
+# pragma warning(push)
+# pragma warning(disable: 4065)
+# endif // _MSC_VER
+
+ switch (0)
+ default:
+ ASSERT_DEATH(_exit(1), "") << "exit in default switch handler";
+
+ switch (0)
+ case 0:
+ EXPECT_DEATH(_exit(1), "") << "exit in switch case";
+
+# ifdef _MSC_VER
+# pragma warning(pop)
+# endif // _MSC_VER
+}
+
+// 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, NULL));
+ 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, NULL));
+}
+
+// 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, NULL));
+ 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
+
+namespace {
+
+bool pthread_flag;
+
+void SetPthreadFlag() {
+ pthread_flag = true;
+}
+
+} // namespace
+
+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, NULL, NULL));
+ 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);
+
+# endif // GTEST_HAS_GLOBAL_STRING
+
+ const ::std::string regex_std_str(regex_c_str);
+ EXPECT_DEATH(GlobalFunction(), regex_std_str);
+}
+
+// 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;
+
+ EXPECT_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
+}
+
+// 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;
+ ASSERT_DEBUG_DEATH(return, "") << "This is expected to fail.";
+ *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);
+}
+
+# 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 http://msdn.microsoft.com/en-us/library/dwwzkt4c(VS.71).aspx.
+ EXPECT_EXIT(raise(SIGABRT), testing::ExitedWithCode(3), "") << "b_ar";
+
+# else
+
+ 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();
+ virtual bool Create(const char* statement,
+ const ::testing::internal::RE* regex,
+ const char* file, int line, DeathTest** test);
+
+ // 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_; }
+ int PassedCalls() const { return passed_args_.size(); }
+ bool PassedArgument(int n) const { return passed_args_[n]; }
+ int 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) {
+ }
+ virtual ~MockDeathTest() {
+ parent_->test_deleted_ = true;
+ }
+ virtual TestRole AssumeRole() {
+ ++parent_->assume_role_calls_;
+ return role_;
+ }
+ virtual int Wait() {
+ ++parent_->wait_calls_;
+ return status_;
+ }
+ virtual bool Passed(bool exit_status_ok) {
+ parent_->passed_args_.push_back(exit_status_ok);
+ return passed_;
+ }
+ virtual void Abort(AbortReason reason) {
+ 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*/,
+ const ::testing::internal::RE* /*regex*/,
+ const char* /*file*/,
+ int /*line*/,
+ DeathTest** test) {
+ test_deleted_ = false;
+ if (create_) {
+ *test = new MockDeathTest(this, role_, status_, passed_);
+ } else {
+ *test = NULL;
+ }
+ 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_ = NULL;
+ delete factory_;
+ factory_ = NULL;
+ }
+
+ // 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_
+ = NULL;
+MockDeathTestFactory* MacroLogicDeathTest::factory_ = NULL;
+
+
+// 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(0, factory_->PassedCalls());
+ EXPECT_EQ(0, 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(1, factory_->PassedCalls());
+ EXPECT_FALSE(factory_->PassedArgument(0));
+ EXPECT_EQ(0, 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(1, factory_->PassedCalls());
+ EXPECT_TRUE(factory_->PassedArgument(0));
+ EXPECT_EQ(0, 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(0, factory_->PassedCalls());
+ EXPECT_EQ(1, 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(0, 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(2, 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) {
+ // TODO(vladl@google.com): 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(;, ""), "");
+}
+
+#else
+
+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);
+}
+
+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");
+}
+
+#endif // GTEST_HAS_DEATH_TEST
+
+// 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.
+#ifdef _MSC_VER
+# pragma warning(push)
+# pragma warning(disable: 4065)
+#endif // _MSC_VER
+
+ 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";
+
+#ifdef _MSC_VER
+# pragma warning(pop)
+#endif // _MSC_VER
+}
+
+// Tests that a test case whose name ends with "DeathTest" works fine
+// on Windows.
+TEST(NotADeathTest, Test) {
+ SUCCEED();
+}