1509 lines
47 KiB
C++
1509 lines
47 KiB
C++
// Copyright 2005, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Tests for death tests.
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#include "gtest/gtest-death-test.h"
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#include "gtest/gtest.h"
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#include "gtest/internal/gtest-filepath.h"
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using testing::internal::AlwaysFalse;
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using testing::internal::AlwaysTrue;
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#ifdef GTEST_HAS_DEATH_TEST
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#ifdef GTEST_OS_WINDOWS
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#include <direct.h> // For chdir().
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#include <fcntl.h> // For O_BINARY
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#include <io.h>
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#else
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#include <sys/wait.h> // For waitpid.
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#include <unistd.h>
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#endif // GTEST_OS_WINDOWS
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#include <limits.h>
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#include <signal.h>
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#include <stdio.h>
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#include <string>
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#include <vector>
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#ifdef GTEST_OS_LINUX
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#include <sys/time.h>
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#endif // GTEST_OS_LINUX
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#include "gtest/gtest-spi.h"
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#include "src/gtest-internal-inl.h"
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namespace posix = ::testing::internal::posix;
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using testing::ContainsRegex;
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using testing::Matcher;
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using testing::Message;
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using testing::internal::DeathTest;
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using testing::internal::DeathTestFactory;
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using testing::internal::FilePath;
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using testing::internal::GetLastErrnoDescription;
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using testing::internal::GetUnitTestImpl;
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using testing::internal::InDeathTestChild;
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using testing::internal::ParseNaturalNumber;
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namespace testing {
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namespace internal {
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// A helper class whose objects replace the death test factory for a
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// single UnitTest object during their lifetimes.
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class ReplaceDeathTestFactory {
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public:
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explicit ReplaceDeathTestFactory(DeathTestFactory* new_factory)
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: unit_test_impl_(GetUnitTestImpl()) {
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old_factory_ = unit_test_impl_->death_test_factory_.release();
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unit_test_impl_->death_test_factory_.reset(new_factory);
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}
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~ReplaceDeathTestFactory() {
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unit_test_impl_->death_test_factory_.release();
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unit_test_impl_->death_test_factory_.reset(old_factory_);
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}
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private:
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// Prevents copying ReplaceDeathTestFactory objects.
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ReplaceDeathTestFactory(const ReplaceDeathTestFactory&);
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void operator=(const ReplaceDeathTestFactory&);
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UnitTestImpl* unit_test_impl_;
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DeathTestFactory* old_factory_;
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};
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} // namespace internal
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} // namespace testing
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namespace {
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void DieWithMessage(const ::std::string& message) {
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fprintf(stderr, "%s", message.c_str());
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fflush(stderr); // Make sure the text is printed before the process exits.
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// We call _exit() instead of exit(), as the former is a direct
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// system call and thus safer in the presence of threads. exit()
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// will invoke user-defined exit-hooks, which may do dangerous
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// things that conflict with death tests.
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//
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// Some compilers can recognize that _exit() never returns and issue the
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// 'unreachable code' warning for code following this function, unless
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// fooled by a fake condition.
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if (AlwaysTrue()) _exit(1);
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}
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void DieInside(const ::std::string& function) {
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DieWithMessage("death inside " + function + "().");
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}
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// Tests that death tests work.
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class TestForDeathTest : public testing::Test {
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protected:
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TestForDeathTest() : original_dir_(FilePath::GetCurrentDir()) {}
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~TestForDeathTest() override { posix::ChDir(original_dir_.c_str()); }
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// A static member function that's expected to die.
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static void StaticMemberFunction() { DieInside("StaticMemberFunction"); }
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// A method of the test fixture that may die.
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void MemberFunction() {
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if (should_die_) DieInside("MemberFunction");
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}
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// True if and only if MemberFunction() should die.
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bool should_die_;
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const FilePath original_dir_;
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};
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// A class with a member function that may die.
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class MayDie {
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public:
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explicit MayDie(bool should_die) : should_die_(should_die) {}
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// A member function that may die.
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void MemberFunction() const {
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if (should_die_) DieInside("MayDie::MemberFunction");
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}
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private:
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// True if and only if MemberFunction() should die.
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bool should_die_;
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};
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// A global function that's expected to die.
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void GlobalFunction() { DieInside("GlobalFunction"); }
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// A non-void function that's expected to die.
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int NonVoidFunction() {
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DieInside("NonVoidFunction");
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return 1;
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}
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// A unary function that may die.
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void DieIf(bool should_die) {
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if (should_die) DieInside("DieIf");
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}
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// A binary function that may die.
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bool DieIfLessThan(int x, int y) {
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if (x < y) {
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DieInside("DieIfLessThan");
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}
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return true;
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}
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// Tests that ASSERT_DEATH can be used outside a TEST, TEST_F, or test fixture.
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void DeathTestSubroutine() {
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EXPECT_DEATH(GlobalFunction(), "death.*GlobalFunction");
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ASSERT_DEATH(GlobalFunction(), "death.*GlobalFunction");
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}
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// Death in dbg, not opt.
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int DieInDebugElse12(int* sideeffect) {
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if (sideeffect) *sideeffect = 12;
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#ifndef NDEBUG
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DieInside("DieInDebugElse12");
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#endif // NDEBUG
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return 12;
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}
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#ifdef GTEST_OS_WINDOWS
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// Death in dbg due to Windows CRT assertion failure, not opt.
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int DieInCRTDebugElse12(int* sideeffect) {
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if (sideeffect) *sideeffect = 12;
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// Create an invalid fd by closing a valid one
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int fdpipe[2];
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EXPECT_EQ(_pipe(fdpipe, 256, O_BINARY), 0);
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EXPECT_EQ(_close(fdpipe[0]), 0);
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EXPECT_EQ(_close(fdpipe[1]), 0);
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// _dup() should crash in debug mode
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EXPECT_EQ(_dup(fdpipe[0]), -1);
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return 12;
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}
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#endif // GTEST_OS_WINDOWS
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#if defined(GTEST_OS_WINDOWS) || defined(GTEST_OS_FUCHSIA)
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// Tests the ExitedWithCode predicate.
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TEST(ExitStatusPredicateTest, ExitedWithCode) {
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// On Windows, the process's exit code is the same as its exit status,
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// so the predicate just compares the its input with its parameter.
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EXPECT_TRUE(testing::ExitedWithCode(0)(0));
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EXPECT_TRUE(testing::ExitedWithCode(1)(1));
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EXPECT_TRUE(testing::ExitedWithCode(42)(42));
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EXPECT_FALSE(testing::ExitedWithCode(0)(1));
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EXPECT_FALSE(testing::ExitedWithCode(1)(0));
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}
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#else
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// Returns the exit status of a process that calls _exit(2) with a
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// given exit code. This is a helper function for the
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// ExitStatusPredicateTest test suite.
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static int NormalExitStatus(int exit_code) {
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pid_t child_pid = fork();
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if (child_pid == 0) {
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_exit(exit_code);
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}
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int status;
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waitpid(child_pid, &status, 0);
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return status;
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}
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// Returns the exit status of a process that raises a given signal.
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// If the signal does not cause the process to die, then it returns
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// instead the exit status of a process that exits normally with exit
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// code 1. This is a helper function for the ExitStatusPredicateTest
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// test suite.
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static int KilledExitStatus(int signum) {
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pid_t child_pid = fork();
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if (child_pid == 0) {
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raise(signum);
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_exit(1);
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}
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int status;
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waitpid(child_pid, &status, 0);
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return status;
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}
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// Tests the ExitedWithCode predicate.
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TEST(ExitStatusPredicateTest, ExitedWithCode) {
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const int status0 = NormalExitStatus(0);
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const int status1 = NormalExitStatus(1);
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const int status42 = NormalExitStatus(42);
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const testing::ExitedWithCode pred0(0);
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const testing::ExitedWithCode pred1(1);
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const testing::ExitedWithCode pred42(42);
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EXPECT_PRED1(pred0, status0);
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EXPECT_PRED1(pred1, status1);
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EXPECT_PRED1(pred42, status42);
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EXPECT_FALSE(pred0(status1));
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EXPECT_FALSE(pred42(status0));
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EXPECT_FALSE(pred1(status42));
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}
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// Tests the KilledBySignal predicate.
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TEST(ExitStatusPredicateTest, KilledBySignal) {
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const int status_segv = KilledExitStatus(SIGSEGV);
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const int status_kill = KilledExitStatus(SIGKILL);
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const testing::KilledBySignal pred_segv(SIGSEGV);
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const testing::KilledBySignal pred_kill(SIGKILL);
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EXPECT_PRED1(pred_segv, status_segv);
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EXPECT_PRED1(pred_kill, status_kill);
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EXPECT_FALSE(pred_segv(status_kill));
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EXPECT_FALSE(pred_kill(status_segv));
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}
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#endif // GTEST_OS_WINDOWS || GTEST_OS_FUCHSIA
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// The following code intentionally tests a suboptimal syntax.
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#ifdef __GNUC__
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wdangling-else"
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#pragma GCC diagnostic ignored "-Wempty-body"
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#pragma GCC diagnostic ignored "-Wpragmas"
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#endif
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// Tests that the death test macros expand to code which may or may not
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// be followed by operator<<, and that in either case the complete text
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// comprises only a single C++ statement.
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TEST_F(TestForDeathTest, SingleStatement) {
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if (AlwaysFalse())
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// This would fail if executed; this is a compilation test only
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ASSERT_DEATH(return, "");
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if (AlwaysTrue())
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EXPECT_DEATH(_exit(1), "");
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else
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// This empty "else" branch is meant to ensure that EXPECT_DEATH
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// doesn't expand into an "if" statement without an "else"
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;
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if (AlwaysFalse()) ASSERT_DEATH(return, "") << "did not die";
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if (AlwaysFalse())
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;
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else
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EXPECT_DEATH(_exit(1), "") << 1 << 2 << 3;
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}
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#ifdef __GNUC__
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#pragma GCC diagnostic pop
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#endif
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// Tests that death test macros expand to code which interacts well with switch
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// statements.
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TEST_F(TestForDeathTest, SwitchStatement) {
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// Microsoft compiler usually complains about switch statements without
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// case labels. We suppress that warning for this test.
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GTEST_DISABLE_MSC_WARNINGS_PUSH_(4065)
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switch (0)
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default:
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ASSERT_DEATH(_exit(1), "") << "exit in default switch handler";
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switch (0)
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case 0:
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EXPECT_DEATH(_exit(1), "") << "exit in switch case";
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GTEST_DISABLE_MSC_WARNINGS_POP_()
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}
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// Tests that a static member function can be used in a "fast" style
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// death test.
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TEST_F(TestForDeathTest, StaticMemberFunctionFastStyle) {
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GTEST_FLAG_SET(death_test_style, "fast");
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ASSERT_DEATH(StaticMemberFunction(), "death.*StaticMember");
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}
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// Tests that a method of the test fixture can be used in a "fast"
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// style death test.
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TEST_F(TestForDeathTest, MemberFunctionFastStyle) {
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GTEST_FLAG_SET(death_test_style, "fast");
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should_die_ = true;
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EXPECT_DEATH(MemberFunction(), "inside.*MemberFunction");
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}
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void ChangeToRootDir() { posix::ChDir(GTEST_PATH_SEP_); }
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// Tests that death tests work even if the current directory has been
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// changed.
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TEST_F(TestForDeathTest, FastDeathTestInChangedDir) {
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GTEST_FLAG_SET(death_test_style, "fast");
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ChangeToRootDir();
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EXPECT_EXIT(_exit(1), testing::ExitedWithCode(1), "");
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ChangeToRootDir();
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ASSERT_DEATH(_exit(1), "");
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}
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#ifdef GTEST_OS_LINUX
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void SigprofAction(int, siginfo_t*, void*) { /* no op */
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}
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// Sets SIGPROF action and ITIMER_PROF timer (interval: 1ms).
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void SetSigprofActionAndTimer() {
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struct sigaction signal_action;
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memset(&signal_action, 0, sizeof(signal_action));
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sigemptyset(&signal_action.sa_mask);
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signal_action.sa_sigaction = SigprofAction;
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signal_action.sa_flags = SA_RESTART | SA_SIGINFO;
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ASSERT_EQ(0, sigaction(SIGPROF, &signal_action, nullptr));
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// timer comes second, to avoid SIGPROF premature delivery, as suggested at
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// https://www.gnu.org/software/libc/manual/html_node/Setting-an-Alarm.html
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struct itimerval timer;
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timer.it_interval.tv_sec = 0;
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timer.it_interval.tv_usec = 1;
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timer.it_value = timer.it_interval;
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ASSERT_EQ(0, setitimer(ITIMER_PROF, &timer, nullptr));
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}
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// Disables ITIMER_PROF timer and ignores SIGPROF signal.
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void DisableSigprofActionAndTimer(struct sigaction* old_signal_action) {
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struct itimerval timer;
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timer.it_interval.tv_sec = 0;
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timer.it_interval.tv_usec = 0;
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timer.it_value = timer.it_interval;
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ASSERT_EQ(0, setitimer(ITIMER_PROF, &timer, nullptr));
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struct sigaction signal_action;
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memset(&signal_action, 0, sizeof(signal_action));
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sigemptyset(&signal_action.sa_mask);
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signal_action.sa_handler = SIG_IGN;
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ASSERT_EQ(0, sigaction(SIGPROF, &signal_action, old_signal_action));
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}
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// Tests that death tests work when SIGPROF handler and timer are set.
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TEST_F(TestForDeathTest, FastSigprofActionSet) {
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GTEST_FLAG_SET(death_test_style, "fast");
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SetSigprofActionAndTimer();
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EXPECT_DEATH(_exit(1), "");
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struct sigaction old_signal_action;
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DisableSigprofActionAndTimer(&old_signal_action);
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EXPECT_TRUE(old_signal_action.sa_sigaction == SigprofAction);
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}
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TEST_F(TestForDeathTest, ThreadSafeSigprofActionSet) {
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GTEST_FLAG_SET(death_test_style, "threadsafe");
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SetSigprofActionAndTimer();
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EXPECT_DEATH(_exit(1), "");
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struct sigaction old_signal_action;
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DisableSigprofActionAndTimer(&old_signal_action);
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EXPECT_TRUE(old_signal_action.sa_sigaction == SigprofAction);
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}
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#endif // GTEST_OS_LINUX
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// Repeats a representative sample of death tests in the "threadsafe" style:
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TEST_F(TestForDeathTest, StaticMemberFunctionThreadsafeStyle) {
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GTEST_FLAG_SET(death_test_style, "threadsafe");
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ASSERT_DEATH(StaticMemberFunction(), "death.*StaticMember");
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}
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TEST_F(TestForDeathTest, MemberFunctionThreadsafeStyle) {
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GTEST_FLAG_SET(death_test_style, "threadsafe");
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should_die_ = true;
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EXPECT_DEATH(MemberFunction(), "inside.*MemberFunction");
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}
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TEST_F(TestForDeathTest, ThreadsafeDeathTestInLoop) {
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GTEST_FLAG_SET(death_test_style, "threadsafe");
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for (int i = 0; i < 3; ++i)
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EXPECT_EXIT(_exit(i), testing::ExitedWithCode(i), "") << ": i = " << i;
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}
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TEST_F(TestForDeathTest, ThreadsafeDeathTestInChangedDir) {
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GTEST_FLAG_SET(death_test_style, "threadsafe");
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ChangeToRootDir();
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EXPECT_EXIT(_exit(1), testing::ExitedWithCode(1), "");
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ChangeToRootDir();
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ASSERT_DEATH(_exit(1), "");
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}
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TEST_F(TestForDeathTest, MixedStyles) {
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GTEST_FLAG_SET(death_test_style, "threadsafe");
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EXPECT_DEATH(_exit(1), "");
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GTEST_FLAG_SET(death_test_style, "fast");
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EXPECT_DEATH(_exit(1), "");
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}
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#if GTEST_HAS_CLONE && GTEST_HAS_PTHREAD
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bool pthread_flag;
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void SetPthreadFlag() { pthread_flag = true; }
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TEST_F(TestForDeathTest, DoesNotExecuteAtforkHooks) {
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if (!GTEST_FLAG_GET(death_test_use_fork)) {
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GTEST_FLAG_SET(death_test_style, "threadsafe");
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pthread_flag = false;
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ASSERT_EQ(0, pthread_atfork(&SetPthreadFlag, nullptr, nullptr));
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ASSERT_DEATH(_exit(1), "");
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ASSERT_FALSE(pthread_flag);
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}
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}
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#endif // GTEST_HAS_CLONE && GTEST_HAS_PTHREAD
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// Tests that a method of another class can be used in a death test.
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TEST_F(TestForDeathTest, MethodOfAnotherClass) {
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const MayDie x(true);
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ASSERT_DEATH(x.MemberFunction(), "MayDie\\:\\:MemberFunction");
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}
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// Tests that a global function can be used in a death test.
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TEST_F(TestForDeathTest, GlobalFunction) {
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EXPECT_DEATH(GlobalFunction(), "GlobalFunction");
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}
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// Tests that any value convertible to an RE works as a second
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// argument to EXPECT_DEATH.
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TEST_F(TestForDeathTest, AcceptsAnythingConvertibleToRE) {
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static const char regex_c_str[] = "GlobalFunction";
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EXPECT_DEATH(GlobalFunction(), regex_c_str);
|
|
|
|
const testing::internal::RE regex(regex_c_str);
|
|
EXPECT_DEATH(GlobalFunction(), regex);
|
|
|
|
const ::std::string regex_std_str(regex_c_str);
|
|
EXPECT_DEATH(GlobalFunction(), regex_std_str);
|
|
|
|
// This one is tricky; a temporary pointer into another temporary. Reference
|
|
// lifetime extension of the pointer is not sufficient.
|
|
EXPECT_DEATH(GlobalFunction(), ::std::string(regex_c_str).c_str());
|
|
}
|
|
|
|
// 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 if and only if the EXPECT_DEATH()
|
|
// statement aborted the function.
|
|
void ExpectDeathTestHelper(bool* aborted) {
|
|
*aborted = true;
|
|
EXPECT_DEATH(DieIf(false), "DieIf"); // This assertion should fail.
|
|
*aborted = false;
|
|
}
|
|
|
|
// Tests that EXPECT_DEATH doesn't abort the test on failure.
|
|
TEST_F(TestForDeathTest, EXPECT_DEATH) {
|
|
bool aborted = true;
|
|
EXPECT_NONFATAL_FAILURE(ExpectDeathTestHelper(&aborted), "failed to die");
|
|
EXPECT_FALSE(aborted);
|
|
}
|
|
|
|
// Tests that ASSERT_DEATH does abort the test on failure.
|
|
TEST_F(TestForDeathTest, ASSERT_DEATH) {
|
|
static bool aborted;
|
|
EXPECT_FATAL_FAILURE(
|
|
{ // NOLINT
|
|
aborted = true;
|
|
ASSERT_DEATH(DieIf(false), "DieIf"); // This assertion should fail.
|
|
aborted = false;
|
|
},
|
|
"failed to die");
|
|
EXPECT_TRUE(aborted);
|
|
}
|
|
|
|
// Tests that EXPECT_DEATH evaluates the arguments exactly once.
|
|
TEST_F(TestForDeathTest, SingleEvaluation) {
|
|
int x = 3;
|
|
EXPECT_DEATH(DieIf((++x) == 4), "DieIf");
|
|
|
|
const char* regex = "DieIf";
|
|
const char* regex_save = regex;
|
|
EXPECT_DEATH(DieIfLessThan(3, 4), regex++);
|
|
EXPECT_EQ(regex_save + 1, regex);
|
|
}
|
|
|
|
// Tests that run-away death tests are reported as failures.
|
|
TEST_F(TestForDeathTest, RunawayIsFailure) {
|
|
EXPECT_NONFATAL_FAILURE(EXPECT_DEATH(static_cast<void>(0), "Foo"),
|
|
"failed to die.");
|
|
}
|
|
|
|
// Tests that death tests report executing 'return' in the statement as
|
|
// failure.
|
|
TEST_F(TestForDeathTest, ReturnIsFailure) {
|
|
EXPECT_FATAL_FAILURE(ASSERT_DEATH(return, "Bar"),
|
|
"illegal return in test statement.");
|
|
}
|
|
|
|
// Tests that EXPECT_DEBUG_DEATH works as expected, that is, you can stream a
|
|
// message to it, and in debug mode it:
|
|
// 1. Asserts on death.
|
|
// 2. Has no side effect.
|
|
//
|
|
// And in opt mode, it:
|
|
// 1. Has side effects but does not assert.
|
|
TEST_F(TestForDeathTest, TestExpectDebugDeath) {
|
|
int sideeffect = 0;
|
|
|
|
// Put the regex in a local variable to make sure we don't get an "unused"
|
|
// warning in opt mode.
|
|
const char* regex = "death.*DieInDebugElse12";
|
|
|
|
EXPECT_DEBUG_DEATH(DieInDebugElse12(&sideeffect), regex)
|
|
<< "Must accept a streamed message";
|
|
|
|
#ifdef NDEBUG
|
|
|
|
// Checks that the assignment occurs in opt mode (sideeffect).
|
|
EXPECT_EQ(12, sideeffect);
|
|
|
|
#else
|
|
|
|
// Checks that the assignment does not occur in dbg mode (no sideeffect).
|
|
EXPECT_EQ(0, sideeffect);
|
|
|
|
#endif
|
|
}
|
|
|
|
#ifdef GTEST_OS_WINDOWS
|
|
|
|
// https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/crtsetreportmode
|
|
// In debug mode, the calls to _CrtSetReportMode and _CrtSetReportFile enable
|
|
// the dumping of assertions to stderr. Tests that EXPECT_DEATH works as
|
|
// expected when in CRT debug mode (compiled with /MTd or /MDd, which defines
|
|
// _DEBUG) the Windows CRT crashes the process with an assertion failure.
|
|
// 1. Asserts on death.
|
|
// 2. Has no side effect (doesn't pop up a window or wait for user input).
|
|
#ifdef _DEBUG
|
|
TEST_F(TestForDeathTest, CRTDebugDeath) {
|
|
EXPECT_DEATH(DieInCRTDebugElse12(nullptr), "dup.* : Assertion failed")
|
|
<< "Must accept a streamed message";
|
|
}
|
|
#endif // _DEBUG
|
|
|
|
#endif // GTEST_OS_WINDOWS
|
|
|
|
// 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;
|
|
}
|
|
|
|
#ifdef 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(
|
|
{
|
|
GTEST_FLAG_SET(catch_exceptions, false);
|
|
abort();
|
|
},
|
|
"");
|
|
}
|
|
#endif // GTEST_OS_WINDOWS
|
|
|
|
// Tests that EXPECT_DEBUG_DEATH in debug mode does not abort
|
|
// the function.
|
|
TEST_F(TestForDeathTest, ExpectDebugDeathDoesNotAbort) {
|
|
bool aborted = true;
|
|
EXPECT_NONFATAL_FAILURE(ExpectDebugDeathHelper(&aborted), "");
|
|
EXPECT_FALSE(aborted);
|
|
}
|
|
|
|
void AssertDebugDeathHelper(bool* aborted) {
|
|
*aborted = true;
|
|
GTEST_LOG_(INFO) << "Before ASSERT_DEBUG_DEATH";
|
|
ASSERT_DEBUG_DEATH(GTEST_LOG_(INFO) << "In ASSERT_DEBUG_DEATH"; return, "")
|
|
<< "This is expected to fail.";
|
|
GTEST_LOG_(INFO) << "After ASSERT_DEBUG_DEATH";
|
|
*aborted = false;
|
|
}
|
|
|
|
// Tests that ASSERT_DEBUG_DEATH in debug mode aborts the function on
|
|
// failure.
|
|
TEST_F(TestForDeathTest, AssertDebugDeathAborts) {
|
|
static bool aborted;
|
|
aborted = false;
|
|
EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
|
|
EXPECT_TRUE(aborted);
|
|
}
|
|
|
|
TEST_F(TestForDeathTest, AssertDebugDeathAborts2) {
|
|
static bool aborted;
|
|
aborted = false;
|
|
EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
|
|
EXPECT_TRUE(aborted);
|
|
}
|
|
|
|
TEST_F(TestForDeathTest, AssertDebugDeathAborts3) {
|
|
static bool aborted;
|
|
aborted = false;
|
|
EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
|
|
EXPECT_TRUE(aborted);
|
|
}
|
|
|
|
TEST_F(TestForDeathTest, AssertDebugDeathAborts4) {
|
|
static bool aborted;
|
|
aborted = false;
|
|
EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
|
|
EXPECT_TRUE(aborted);
|
|
}
|
|
|
|
TEST_F(TestForDeathTest, AssertDebugDeathAborts5) {
|
|
static bool aborted;
|
|
aborted = false;
|
|
EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
|
|
EXPECT_TRUE(aborted);
|
|
}
|
|
|
|
TEST_F(TestForDeathTest, AssertDebugDeathAborts6) {
|
|
static bool aborted;
|
|
aborted = false;
|
|
EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
|
|
EXPECT_TRUE(aborted);
|
|
}
|
|
|
|
TEST_F(TestForDeathTest, AssertDebugDeathAborts7) {
|
|
static bool aborted;
|
|
aborted = false;
|
|
EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
|
|
EXPECT_TRUE(aborted);
|
|
}
|
|
|
|
TEST_F(TestForDeathTest, AssertDebugDeathAborts8) {
|
|
static bool aborted;
|
|
aborted = false;
|
|
EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
|
|
EXPECT_TRUE(aborted);
|
|
}
|
|
|
|
TEST_F(TestForDeathTest, AssertDebugDeathAborts9) {
|
|
static bool aborted;
|
|
aborted = false;
|
|
EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
|
|
EXPECT_TRUE(aborted);
|
|
}
|
|
|
|
TEST_F(TestForDeathTest, AssertDebugDeathAborts10) {
|
|
static bool aborted;
|
|
aborted = false;
|
|
EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
|
|
EXPECT_TRUE(aborted);
|
|
}
|
|
|
|
#endif // _NDEBUG
|
|
|
|
// Tests the *_EXIT family of macros, using a variety of predicates.
|
|
static void TestExitMacros() {
|
|
EXPECT_EXIT(_exit(1), testing::ExitedWithCode(1), "");
|
|
ASSERT_EXIT(_exit(42), testing::ExitedWithCode(42), "");
|
|
|
|
#ifdef GTEST_OS_WINDOWS
|
|
|
|
// Of all signals effects on the process exit code, only those of SIGABRT
|
|
// are documented on Windows.
|
|
// See https://msdn.microsoft.com/en-us/query-bi/m/dwwzkt4c.
|
|
EXPECT_EXIT(raise(SIGABRT), testing::ExitedWithCode(3), "") << "b_ar";
|
|
|
|
#elif !defined(GTEST_OS_FUCHSIA)
|
|
|
|
// Fuchsia has no unix signals.
|
|
EXPECT_EXIT(raise(SIGKILL), testing::KilledBySignal(SIGKILL), "") << "foo";
|
|
ASSERT_EXIT(raise(SIGUSR2), testing::KilledBySignal(SIGUSR2), "") << "bar";
|
|
|
|
EXPECT_FATAL_FAILURE(
|
|
{ // NOLINT
|
|
ASSERT_EXIT(_exit(0), testing::KilledBySignal(SIGSEGV), "")
|
|
<< "This failure is expected, too.";
|
|
},
|
|
"This failure is expected, too.");
|
|
|
|
#endif // GTEST_OS_WINDOWS
|
|
|
|
EXPECT_NONFATAL_FAILURE(
|
|
{ // NOLINT
|
|
EXPECT_EXIT(raise(SIGSEGV), testing::ExitedWithCode(0), "")
|
|
<< "This failure is expected.";
|
|
},
|
|
"This failure is expected.");
|
|
}
|
|
|
|
TEST_F(TestForDeathTest, ExitMacros) { TestExitMacros(); }
|
|
|
|
TEST_F(TestForDeathTest, ExitMacrosUsingFork) {
|
|
GTEST_FLAG_SET(death_test_use_fork, true);
|
|
TestExitMacros();
|
|
}
|
|
|
|
TEST_F(TestForDeathTest, InvalidStyle) {
|
|
GTEST_FLAG_SET(death_test_style, "rococo");
|
|
EXPECT_NONFATAL_FAILURE(
|
|
{ // NOLINT
|
|
EXPECT_DEATH(_exit(0), "") << "This failure is expected.";
|
|
},
|
|
"This failure is expected.");
|
|
}
|
|
|
|
TEST_F(TestForDeathTest, DeathTestFailedOutput) {
|
|
GTEST_FLAG_SET(death_test_style, "fast");
|
|
EXPECT_NONFATAL_FAILURE(
|
|
EXPECT_DEATH(DieWithMessage("death\n"), "expected message"),
|
|
"Actual msg:\n"
|
|
"[ DEATH ] death\n");
|
|
}
|
|
|
|
TEST_F(TestForDeathTest, DeathTestUnexpectedReturnOutput) {
|
|
GTEST_FLAG_SET(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) {
|
|
GTEST_FLAG_SET(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) {
|
|
GTEST_FLAG_SET(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) {
|
|
GTEST_FLAG_SET(death_test_style, "fast");
|
|
EXPECT_DEATH(DieWithMessage("line 1\nline 2\nline 3\n"),
|
|
"line 1\nline 2\nline 3\n");
|
|
}
|
|
|
|
// A DeathTestFactory that returns MockDeathTests.
|
|
class MockDeathTestFactory : public DeathTestFactory {
|
|
public:
|
|
MockDeathTestFactory();
|
|
bool Create(const char* statement,
|
|
testing::Matcher<const std::string&> matcher, const char* file,
|
|
int line, DeathTest** test) override;
|
|
|
|
// Sets the parameters for subsequent calls to Create.
|
|
void SetParameters(bool create, DeathTest::TestRole role, int status,
|
|
bool passed);
|
|
|
|
// Accessors.
|
|
int AssumeRoleCalls() const { return assume_role_calls_; }
|
|
int WaitCalls() const { return wait_calls_; }
|
|
size_t PassedCalls() const { return passed_args_.size(); }
|
|
bool PassedArgument(int n) const {
|
|
return passed_args_[static_cast<size_t>(n)];
|
|
}
|
|
size_t AbortCalls() const { return abort_args_.size(); }
|
|
DeathTest::AbortReason AbortArgument(int n) const {
|
|
return abort_args_[static_cast<size_t>(n)];
|
|
}
|
|
bool TestDeleted() const { return test_deleted_; }
|
|
|
|
private:
|
|
friend class MockDeathTest;
|
|
// If true, Create will return a MockDeathTest; otherwise it returns
|
|
// NULL.
|
|
bool create_;
|
|
// The value a MockDeathTest will return from its AssumeRole method.
|
|
DeathTest::TestRole role_;
|
|
// The value a MockDeathTest will return from its Wait method.
|
|
int status_;
|
|
// The value a MockDeathTest will return from its Passed method.
|
|
bool passed_;
|
|
|
|
// Number of times AssumeRole was called.
|
|
int assume_role_calls_;
|
|
// Number of times Wait was called.
|
|
int wait_calls_;
|
|
// The arguments to the calls to Passed since the last call to
|
|
// SetParameters.
|
|
std::vector<bool> passed_args_;
|
|
// The arguments to the calls to Abort since the last call to
|
|
// SetParameters.
|
|
std::vector<DeathTest::AbortReason> abort_args_;
|
|
// True if the last MockDeathTest returned by Create has been
|
|
// deleted.
|
|
bool test_deleted_;
|
|
};
|
|
|
|
// A DeathTest implementation useful in testing. It returns values set
|
|
// at its creation from its various inherited DeathTest methods, and
|
|
// reports calls to those methods to its parent MockDeathTestFactory
|
|
// object.
|
|
class MockDeathTest : public DeathTest {
|
|
public:
|
|
MockDeathTest(MockDeathTestFactory* parent, TestRole role, int status,
|
|
bool passed)
|
|
: parent_(parent), role_(role), status_(status), passed_(passed) {}
|
|
~MockDeathTest() override { parent_->test_deleted_ = true; }
|
|
TestRole AssumeRole() override {
|
|
++parent_->assume_role_calls_;
|
|
return role_;
|
|
}
|
|
int Wait() override {
|
|
++parent_->wait_calls_;
|
|
return status_;
|
|
}
|
|
bool Passed(bool exit_status_ok) override {
|
|
parent_->passed_args_.push_back(exit_status_ok);
|
|
return passed_;
|
|
}
|
|
void Abort(AbortReason reason) override {
|
|
parent_->abort_args_.push_back(reason);
|
|
}
|
|
|
|
private:
|
|
MockDeathTestFactory* const parent_;
|
|
const TestRole role_;
|
|
const int status_;
|
|
const bool passed_;
|
|
};
|
|
|
|
// MockDeathTestFactory constructor.
|
|
MockDeathTestFactory::MockDeathTestFactory()
|
|
: create_(true),
|
|
role_(DeathTest::OVERSEE_TEST),
|
|
status_(0),
|
|
passed_(true),
|
|
assume_role_calls_(0),
|
|
wait_calls_(0),
|
|
passed_args_(),
|
|
abort_args_() {}
|
|
|
|
// Sets the parameters for subsequent calls to Create.
|
|
void MockDeathTestFactory::SetParameters(bool create, DeathTest::TestRole role,
|
|
int status, bool passed) {
|
|
create_ = create;
|
|
role_ = role;
|
|
status_ = status;
|
|
passed_ = passed;
|
|
|
|
assume_role_calls_ = 0;
|
|
wait_calls_ = 0;
|
|
passed_args_.clear();
|
|
abort_args_.clear();
|
|
}
|
|
|
|
// Sets test to NULL (if create_ is false) or to the address of a new
|
|
// MockDeathTest object with parameters taken from the last call
|
|
// to SetParameters (if create_ is true). Always returns true.
|
|
bool MockDeathTestFactory::Create(
|
|
const char* /*statement*/, testing::Matcher<const std::string&> /*matcher*/,
|
|
const char* /*file*/, int /*line*/, DeathTest** test) {
|
|
test_deleted_ = false;
|
|
if (create_) {
|
|
*test = new MockDeathTest(this, role_, status_, passed_);
|
|
} else {
|
|
*test = nullptr;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// A test fixture for testing the logic of the GTEST_DEATH_TEST_ macro.
|
|
// It installs a MockDeathTestFactory that is used for the duration
|
|
// of the test case.
|
|
class MacroLogicDeathTest : public testing::Test {
|
|
protected:
|
|
static testing::internal::ReplaceDeathTestFactory* replacer_;
|
|
static MockDeathTestFactory* factory_;
|
|
|
|
static void SetUpTestSuite() {
|
|
factory_ = new MockDeathTestFactory;
|
|
replacer_ = new testing::internal::ReplaceDeathTestFactory(factory_);
|
|
}
|
|
|
|
static void TearDownTestSuite() {
|
|
delete replacer_;
|
|
replacer_ = nullptr;
|
|
delete factory_;
|
|
factory_ = nullptr;
|
|
}
|
|
|
|
// Runs a death test that breaks the rules by returning. Such a death
|
|
// test cannot be run directly from a test routine that uses a
|
|
// MockDeathTest, or the remainder of the routine will not be executed.
|
|
static void RunReturningDeathTest(bool* flag) {
|
|
ASSERT_DEATH(
|
|
{ // NOLINT
|
|
*flag = true;
|
|
return;
|
|
},
|
|
"");
|
|
}
|
|
};
|
|
|
|
testing::internal::ReplaceDeathTestFactory* MacroLogicDeathTest::replacer_ =
|
|
nullptr;
|
|
MockDeathTestFactory* MacroLogicDeathTest::factory_ = nullptr;
|
|
|
|
// Test that nothing happens when the factory doesn't return a DeathTest:
|
|
TEST_F(MacroLogicDeathTest, NothingHappens) {
|
|
bool flag = false;
|
|
factory_->SetParameters(false, DeathTest::OVERSEE_TEST, 0, true);
|
|
EXPECT_DEATH(flag = true, "");
|
|
EXPECT_FALSE(flag);
|
|
EXPECT_EQ(0, factory_->AssumeRoleCalls());
|
|
EXPECT_EQ(0, factory_->WaitCalls());
|
|
EXPECT_EQ(0U, factory_->PassedCalls());
|
|
EXPECT_EQ(0U, factory_->AbortCalls());
|
|
EXPECT_FALSE(factory_->TestDeleted());
|
|
}
|
|
|
|
// Test that the parent process doesn't run the death test code,
|
|
// and that the Passed method returns false when the (simulated)
|
|
// child process exits with status 0:
|
|
TEST_F(MacroLogicDeathTest, ChildExitsSuccessfully) {
|
|
bool flag = false;
|
|
factory_->SetParameters(true, DeathTest::OVERSEE_TEST, 0, true);
|
|
EXPECT_DEATH(flag = true, "");
|
|
EXPECT_FALSE(flag);
|
|
EXPECT_EQ(1, factory_->AssumeRoleCalls());
|
|
EXPECT_EQ(1, factory_->WaitCalls());
|
|
ASSERT_EQ(1U, factory_->PassedCalls());
|
|
EXPECT_FALSE(factory_->PassedArgument(0));
|
|
EXPECT_EQ(0U, factory_->AbortCalls());
|
|
EXPECT_TRUE(factory_->TestDeleted());
|
|
}
|
|
|
|
// Tests that the Passed method was given the argument "true" when
|
|
// the (simulated) child process exits with status 1:
|
|
TEST_F(MacroLogicDeathTest, ChildExitsUnsuccessfully) {
|
|
bool flag = false;
|
|
factory_->SetParameters(true, DeathTest::OVERSEE_TEST, 1, true);
|
|
EXPECT_DEATH(flag = true, "");
|
|
EXPECT_FALSE(flag);
|
|
EXPECT_EQ(1, factory_->AssumeRoleCalls());
|
|
EXPECT_EQ(1, factory_->WaitCalls());
|
|
ASSERT_EQ(1U, factory_->PassedCalls());
|
|
EXPECT_TRUE(factory_->PassedArgument(0));
|
|
EXPECT_EQ(0U, factory_->AbortCalls());
|
|
EXPECT_TRUE(factory_->TestDeleted());
|
|
}
|
|
|
|
// Tests that the (simulated) child process executes the death test
|
|
// code, and is aborted with the correct AbortReason if it
|
|
// executes a return statement.
|
|
TEST_F(MacroLogicDeathTest, ChildPerformsReturn) {
|
|
bool flag = false;
|
|
factory_->SetParameters(true, DeathTest::EXECUTE_TEST, 0, true);
|
|
RunReturningDeathTest(&flag);
|
|
EXPECT_TRUE(flag);
|
|
EXPECT_EQ(1, factory_->AssumeRoleCalls());
|
|
EXPECT_EQ(0, factory_->WaitCalls());
|
|
EXPECT_EQ(0U, factory_->PassedCalls());
|
|
EXPECT_EQ(1U, factory_->AbortCalls());
|
|
EXPECT_EQ(DeathTest::TEST_ENCOUNTERED_RETURN_STATEMENT,
|
|
factory_->AbortArgument(0));
|
|
EXPECT_TRUE(factory_->TestDeleted());
|
|
}
|
|
|
|
// Tests that the (simulated) child process is aborted with the
|
|
// correct AbortReason if it does not die.
|
|
TEST_F(MacroLogicDeathTest, ChildDoesNotDie) {
|
|
bool flag = false;
|
|
factory_->SetParameters(true, DeathTest::EXECUTE_TEST, 0, true);
|
|
EXPECT_DEATH(flag = true, "");
|
|
EXPECT_TRUE(flag);
|
|
EXPECT_EQ(1, factory_->AssumeRoleCalls());
|
|
EXPECT_EQ(0, factory_->WaitCalls());
|
|
EXPECT_EQ(0U, factory_->PassedCalls());
|
|
// This time there are two calls to Abort: one since the test didn't
|
|
// die, and another from the ReturnSentinel when it's destroyed. The
|
|
// sentinel normally isn't destroyed if a test doesn't die, since
|
|
// _exit(2) is called in that case by ForkingDeathTest, but not by
|
|
// our MockDeathTest.
|
|
ASSERT_EQ(2U, factory_->AbortCalls());
|
|
EXPECT_EQ(DeathTest::TEST_DID_NOT_DIE, factory_->AbortArgument(0));
|
|
EXPECT_EQ(DeathTest::TEST_ENCOUNTERED_RETURN_STATEMENT,
|
|
factory_->AbortArgument(1));
|
|
EXPECT_TRUE(factory_->TestDeleted());
|
|
}
|
|
|
|
// Tests that a successful death test does not register a successful
|
|
// test part.
|
|
TEST(SuccessRegistrationDeathTest, NoSuccessPart) {
|
|
EXPECT_DEATH(_exit(1), "");
|
|
EXPECT_EQ(0, GetUnitTestImpl()->current_test_result()->total_part_count());
|
|
}
|
|
|
|
TEST(StreamingAssertionsDeathTest, DeathTest) {
|
|
EXPECT_DEATH(_exit(1), "") << "unexpected failure";
|
|
ASSERT_DEATH(_exit(1), "") << "unexpected failure";
|
|
EXPECT_NONFATAL_FAILURE(
|
|
{ // NOLINT
|
|
EXPECT_DEATH(_exit(0), "") << "expected failure";
|
|
},
|
|
"expected failure");
|
|
EXPECT_FATAL_FAILURE(
|
|
{ // NOLINT
|
|
ASSERT_DEATH(_exit(0), "") << "expected failure";
|
|
},
|
|
"expected failure");
|
|
}
|
|
|
|
// Tests that GetLastErrnoDescription returns an empty string when the
|
|
// last error is 0 and non-empty string when it is non-zero.
|
|
TEST(GetLastErrnoDescription, GetLastErrnoDescriptionWorks) {
|
|
errno = ENOENT;
|
|
EXPECT_STRNE("", GetLastErrnoDescription().c_str());
|
|
errno = 0;
|
|
EXPECT_STREQ("", GetLastErrnoDescription().c_str());
|
|
}
|
|
|
|
#ifdef 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
|
|
|
|
#ifdef 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);
|
|
}
|
|
|
|
#ifdef GTEST_OS_WINDOWS
|
|
TEST(EnvironmentTest, HandleFitsIntoSizeT) {
|
|
ASSERT_TRUE(sizeof(HANDLE) <= sizeof(size_t));
|
|
}
|
|
#endif // GTEST_OS_WINDOWS
|
|
|
|
// Tests that EXPECT_DEATH_IF_SUPPORTED/ASSERT_DEATH_IF_SUPPORTED trigger
|
|
// failures when death tests are available on the system.
|
|
TEST(ConditionalDeathMacrosDeathTest, ExpectsDeathWhenDeathTestsAvailable) {
|
|
EXPECT_DEATH_IF_SUPPORTED(DieInside("CondDeathTestExpectMacro"),
|
|
"death inside CondDeathTestExpectMacro");
|
|
ASSERT_DEATH_IF_SUPPORTED(DieInside("CondDeathTestAssertMacro"),
|
|
"death inside CondDeathTestAssertMacro");
|
|
|
|
// Empty statement will not crash, which must trigger a failure.
|
|
EXPECT_NONFATAL_FAILURE(EXPECT_DEATH_IF_SUPPORTED(;, ""), "");
|
|
EXPECT_FATAL_FAILURE(ASSERT_DEATH_IF_SUPPORTED(;, ""), "");
|
|
}
|
|
|
|
TEST(InDeathTestChildDeathTest, ReportsDeathTestCorrectlyInFastStyle) {
|
|
GTEST_FLAG_SET(death_test_style, "fast");
|
|
EXPECT_FALSE(InDeathTestChild());
|
|
EXPECT_DEATH(
|
|
{
|
|
fprintf(stderr, InDeathTestChild() ? "Inside" : "Outside");
|
|
fflush(stderr);
|
|
_exit(1);
|
|
},
|
|
"Inside");
|
|
}
|
|
|
|
TEST(InDeathTestChildDeathTest, ReportsDeathTestCorrectlyInThreadSafeStyle) {
|
|
GTEST_FLAG_SET(death_test_style, "threadsafe");
|
|
EXPECT_FALSE(InDeathTestChild());
|
|
EXPECT_DEATH(
|
|
{
|
|
fprintf(stderr, InDeathTestChild() ? "Inside" : "Outside");
|
|
fflush(stderr);
|
|
_exit(1);
|
|
},
|
|
"Inside");
|
|
}
|
|
|
|
void DieWithMessage(const char* message) {
|
|
fputs(message, stderr);
|
|
fflush(stderr); // Make sure the text is printed before the process exits.
|
|
_exit(1);
|
|
}
|
|
|
|
TEST(MatcherDeathTest, DoesNotBreakBareRegexMatching) {
|
|
// googletest tests this, of course; here we ensure that including googlemock
|
|
// has not broken it.
|
|
#ifdef GTEST_USES_POSIX_RE
|
|
EXPECT_DEATH(DieWithMessage("O, I die, Horatio."), "I d[aeiou]e");
|
|
#else
|
|
EXPECT_DEATH(DieWithMessage("O, I die, Horatio."), "I di?e");
|
|
#endif
|
|
}
|
|
|
|
TEST(MatcherDeathTest, MonomorphicMatcherMatches) {
|
|
EXPECT_DEATH(DieWithMessage("Behind O, I am slain!"),
|
|
Matcher<const std::string&>(ContainsRegex("I am slain")));
|
|
}
|
|
|
|
TEST(MatcherDeathTest, MonomorphicMatcherDoesNotMatch) {
|
|
EXPECT_NONFATAL_FAILURE(
|
|
EXPECT_DEATH(
|
|
DieWithMessage("Behind O, I am slain!"),
|
|
Matcher<const std::string&>(ContainsRegex("Ow, I am slain"))),
|
|
"Expected: contains regular expression \"Ow, I am slain\"");
|
|
}
|
|
|
|
TEST(MatcherDeathTest, PolymorphicMatcherMatches) {
|
|
EXPECT_DEATH(DieWithMessage("The rest is silence."),
|
|
ContainsRegex("rest is silence"));
|
|
}
|
|
|
|
TEST(MatcherDeathTest, PolymorphicMatcherDoesNotMatch) {
|
|
EXPECT_NONFATAL_FAILURE(
|
|
EXPECT_DEATH(DieWithMessage("The rest is silence."),
|
|
ContainsRegex("rest is science")),
|
|
"Expected: contains regular expression \"rest is science\"");
|
|
}
|
|
|
|
} // namespace
|
|
|
|
#else // !GTEST_HAS_DEATH_TEST follows
|
|
|
|
namespace {
|
|
|
|
using testing::internal::CaptureStderr;
|
|
using testing::internal::GetCapturedStderr;
|
|
|
|
// Tests that EXPECT_DEATH_IF_SUPPORTED/ASSERT_DEATH_IF_SUPPORTED are still
|
|
// defined but do not trigger failures when death tests are not available on
|
|
// the system.
|
|
TEST(ConditionalDeathMacrosTest, WarnsWhenDeathTestsNotAvailable) {
|
|
// Empty statement will not crash, but that should not trigger a failure
|
|
// when death tests are not supported.
|
|
CaptureStderr();
|
|
EXPECT_DEATH_IF_SUPPORTED(;, "");
|
|
std::string output = GetCapturedStderr();
|
|
ASSERT_TRUE(NULL != strstr(output.c_str(),
|
|
"Death tests are not supported on this platform"));
|
|
ASSERT_TRUE(NULL != strstr(output.c_str(), ";"));
|
|
|
|
// The streamed message should not be printed as there is no test failure.
|
|
CaptureStderr();
|
|
EXPECT_DEATH_IF_SUPPORTED(;, "") << "streamed message";
|
|
output = GetCapturedStderr();
|
|
ASSERT_TRUE(NULL == strstr(output.c_str(), "streamed message"));
|
|
|
|
CaptureStderr();
|
|
ASSERT_DEATH_IF_SUPPORTED(;, ""); // NOLINT
|
|
output = GetCapturedStderr();
|
|
ASSERT_TRUE(NULL != strstr(output.c_str(),
|
|
"Death tests are not supported on this platform"));
|
|
ASSERT_TRUE(NULL != strstr(output.c_str(), ";"));
|
|
|
|
CaptureStderr();
|
|
ASSERT_DEATH_IF_SUPPORTED(;, "") << "streamed message"; // NOLINT
|
|
output = GetCapturedStderr();
|
|
ASSERT_TRUE(NULL == strstr(output.c_str(), "streamed message"));
|
|
}
|
|
|
|
void FuncWithAssert(int* n) {
|
|
ASSERT_DEATH_IF_SUPPORTED(return;, "");
|
|
(*n)++;
|
|
}
|
|
|
|
// Tests that ASSERT_DEATH_IF_SUPPORTED does not return from the current
|
|
// function (as ASSERT_DEATH does) if death tests are not supported.
|
|
TEST(ConditionalDeathMacrosTest, AssertDeatDoesNotReturnhIfUnsupported) {
|
|
int n = 0;
|
|
FuncWithAssert(&n);
|
|
EXPECT_EQ(1, n);
|
|
}
|
|
|
|
} // namespace
|
|
|
|
#endif // !GTEST_HAS_DEATH_TEST
|
|
|
|
namespace {
|
|
|
|
// The following code intentionally tests a suboptimal syntax.
|
|
#ifdef __GNUC__
|
|
#pragma GCC diagnostic push
|
|
#pragma GCC diagnostic ignored "-Wdangling-else"
|
|
#pragma GCC diagnostic ignored "-Wempty-body"
|
|
#pragma GCC diagnostic ignored "-Wpragmas"
|
|
#endif
|
|
// 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;
|
|
}
|
|
#ifdef __GNUC__
|
|
#pragma GCC diagnostic pop
|
|
#endif
|
|
|
|
// Tests that conditional death test macros expand to code which interacts
|
|
// well with switch statements.
|
|
TEST(ConditionalDeathMacrosSyntaxDeathTest, SwitchStatement) {
|
|
// Microsoft compiler usually complains about switch statements without
|
|
// case labels. We suppress that warning for this test.
|
|
GTEST_DISABLE_MSC_WARNINGS_PUSH_(4065)
|
|
|
|
switch (0)
|
|
default:
|
|
ASSERT_DEATH_IF_SUPPORTED(_exit(1), "") << "exit in default switch handler";
|
|
|
|
switch (0)
|
|
case 0:
|
|
EXPECT_DEATH_IF_SUPPORTED(_exit(1), "") << "exit in switch case";
|
|
|
|
GTEST_DISABLE_MSC_WARNINGS_POP_()
|
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}
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// Tests that a test case whose name ends with "DeathTest" works fine
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// on Windows.
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TEST(NotADeathTest, Test) { SUCCEED(); }
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} // namespace
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