1353 lines
42 KiB
C++
1353 lines
42 KiB
C++
// 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.
|
|
# include <limits> // For std::numeric_limits.
|
|
# 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::ParseNaturalNumber;
|
|
using testing::internal::String;
|
|
|
|
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), "");
|
|
}
|
|
|
|
namespace {
|
|
|
|
bool pthread_flag;
|
|
|
|
void SetPthreadFlag() {
|
|
pthread_flag = true;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
# if GTEST_HAS_CLONE && GTEST_HAS_PTHREAD
|
|
|
|
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, 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");
|
|
|
|
# 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
|
|
// In debug mode:
|
|
// 1. Asserts on debug death.
|
|
// 2. Has no side effect.
|
|
//
|
|
// In opt mode:
|
|
// 1. Has side effects and returns the expected value (12).
|
|
TEST_F(TestForDeathTest, TestAssertDebugDeath) {
|
|
int sideeffect = 0;
|
|
|
|
ASSERT_DEBUG_DEATH({ // NOLINT
|
|
// Tests that the return value is 12 in opt mode.
|
|
EXPECT_EQ(12, DieInDebugElse12(&sideeffect));
|
|
// Tests that the side effect occurred in opt mode.
|
|
EXPECT_EQ(12, sideeffect);
|
|
}, "death.*DieInDebugElse12");
|
|
|
|
# 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), "");
|
|
|
|
# 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;
|
|
const BiggestParsable kBiggestParsableMax = ULLONG_MAX;
|
|
const BiggestSignedParsable kBiggestSignedParsableMax = LLONG_MAX;
|
|
# else
|
|
typedef unsigned long long BiggestParsable;
|
|
typedef signed long long BiggestSignedParsable;
|
|
const BiggestParsable kBiggestParsableMax =
|
|
::std::numeric_limits<BiggestParsable>::max();
|
|
const BiggestSignedParsable kBiggestSignedParsableMax =
|
|
::std::numeric_limits<BiggestSignedParsable>::max();
|
|
# endif // GTEST_OS_WINDOWS
|
|
|
|
TEST(ParseNaturalNumberTest, RejectsInvalidFormat) {
|
|
BiggestParsable result = 0;
|
|
|
|
// Rejects non-numbers.
|
|
EXPECT_FALSE(ParseNaturalNumber(String("non-number string"), &result));
|
|
|
|
// Rejects numbers with whitespace prefix.
|
|
EXPECT_FALSE(ParseNaturalNumber(String(" 123"), &result));
|
|
|
|
// Rejects negative numbers.
|
|
EXPECT_FALSE(ParseNaturalNumber(String("-123"), &result));
|
|
|
|
// Rejects numbers starting with a plus sign.
|
|
EXPECT_FALSE(ParseNaturalNumber(String("+123"), &result));
|
|
errno = 0;
|
|
}
|
|
|
|
TEST(ParseNaturalNumberTest, RejectsOverflownNumbers) {
|
|
BiggestParsable result = 0;
|
|
|
|
EXPECT_FALSE(ParseNaturalNumber(String("99999999999999999999999"), &result));
|
|
|
|
signed char char_result = 0;
|
|
EXPECT_FALSE(ParseNaturalNumber(String("200"), &char_result));
|
|
errno = 0;
|
|
}
|
|
|
|
TEST(ParseNaturalNumberTest, AcceptsValidNumbers) {
|
|
BiggestParsable result = 0;
|
|
|
|
result = 0;
|
|
ASSERT_TRUE(ParseNaturalNumber(String("123"), &result));
|
|
EXPECT_EQ(123U, result);
|
|
|
|
// Check 0 as an edge case.
|
|
result = 1;
|
|
ASSERT_TRUE(ParseNaturalNumber(String("0"), &result));
|
|
EXPECT_EQ(0U, result);
|
|
|
|
result = 1;
|
|
ASSERT_TRUE(ParseNaturalNumber(String("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(String("123"), &short_result));
|
|
EXPECT_EQ(123, short_result);
|
|
|
|
signed char char_result = 0;
|
|
ASSERT_TRUE(ParseNaturalNumber(String("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;
|
|
using testing::internal::String;
|
|
|
|
// 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(;, "");
|
|
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);
|
|
}
|
|
#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();
|
|
}
|