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Diffstat (limited to 'lib/gmock-1.7.0/gtest/test/gtest-death-test_test.cc')
| -rw-r--r-- | lib/gmock-1.7.0/gtest/test/gtest-death-test_test.cc | 1367 |
1 files changed, 0 insertions, 1367 deletions
diff --git a/lib/gmock-1.7.0/gtest/test/gtest-death-test_test.cc b/lib/gmock-1.7.0/gtest/test/gtest-death-test_test.cc deleted file mode 100644 index c2d26df993..0000000000 --- a/lib/gmock-1.7.0/gtest/test/gtest-death-test_test.cc +++ /dev/null @@ -1,1367 +0,0 @@ -// 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 = |