diff options
Diffstat (limited to 'libs/assimp/contrib/gtest/src/gtest-death-test.cc')
| -rw-r--r-- | libs/assimp/contrib/gtest/src/gtest-death-test.cc | 1342 |
1 files changed, 0 insertions, 1342 deletions
diff --git a/libs/assimp/contrib/gtest/src/gtest-death-test.cc b/libs/assimp/contrib/gtest/src/gtest-death-test.cc deleted file mode 100644 index a01a369..0000000 --- a/libs/assimp/contrib/gtest/src/gtest-death-test.cc +++ /dev/null @@ -1,1342 +0,0 @@ -// Copyright 2005, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Author: wan@google.com (Zhanyong Wan), vladl@google.com (Vlad Losev) -// -// This file implements death tests. - -#include "gtest/gtest-death-test.h" -#include "gtest/internal/gtest-port.h" -#include "gtest/internal/custom/gtest.h" - -#if GTEST_HAS_DEATH_TEST - -# if GTEST_OS_MAC -# include <crt_externs.h> -# endif // GTEST_OS_MAC - -# include <errno.h> -# include <fcntl.h> -# include <limits.h> - -# if GTEST_OS_LINUX -# include <signal.h> -# endif // GTEST_OS_LINUX - -# include <stdarg.h> - -# if GTEST_OS_WINDOWS -# include <windows.h> -# else -# include <sys/mman.h> -# include <sys/wait.h> -# endif // GTEST_OS_WINDOWS - -# if GTEST_OS_QNX -# include <spawn.h> -# endif // GTEST_OS_QNX - -#endif // GTEST_HAS_DEATH_TEST - -#include "gtest/gtest-message.h" -#include "gtest/internal/gtest-string.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 exists to -// prevent the accidental inclusion of gtest-internal-inl.h in the -// user's code. -#define GTEST_IMPLEMENTATION_ 1 -#include "src/gtest-internal-inl.h" -#undef GTEST_IMPLEMENTATION_ - -namespace testing { - -// Constants. - -// The default death test style. -static const char kDefaultDeathTestStyle[] = "fast"; - -GTEST_DEFINE_string_( - death_test_style, - internal::StringFromGTestEnv("death_test_style", kDefaultDeathTestStyle), - "Indicates how to run a death test in a forked child process: " - "\"threadsafe\" (child process re-executes the test binary " - "from the beginning, running only the specific death test) or " - "\"fast\" (child process runs the death test immediately " - "after forking)."); - -GTEST_DEFINE_bool_( - death_test_use_fork, - internal::BoolFromGTestEnv("death_test_use_fork", false), - "Instructs to use fork()/_exit() instead of clone() in death tests. " - "Ignored and always uses fork() on POSIX systems where clone() is not " - "implemented. Useful when running under valgrind or similar tools if " - "those do not support clone(). Valgrind 3.3.1 will just fail if " - "it sees an unsupported combination of clone() flags. " - "It is not recommended to use this flag w/o valgrind though it will " - "work in 99% of the cases. Once valgrind is fixed, this flag will " - "most likely be removed."); - -namespace internal { -GTEST_DEFINE_string_( - internal_run_death_test, "", - "Indicates the file, line number, temporal index of " - "the single death test to run, and a file descriptor to " - "which a success code may be sent, all separated by " - "the '|' characters. This flag is specified if and only if the current " - "process is a sub-process launched for running a thread-safe " - "death test. FOR INTERNAL USE ONLY."); -} // namespace internal - -#if GTEST_HAS_DEATH_TEST - -namespace internal { - -// Valid only for fast death tests. Indicates the code is running in the -// child process of a fast style death test. -# if !GTEST_OS_WINDOWS -static bool g_in_fast_death_test_child = false; -# endif - -// Returns a Boolean value indicating whether the caller is currently -// executing in the context of the death test child process. Tools such as -// Valgrind heap checkers may need this to modify their behavior in death -// tests. IMPORTANT: This is an internal utility. Using it may break the -// implementation of death tests. User code MUST NOT use it. -bool InDeathTestChild() { -# if GTEST_OS_WINDOWS - - // On Windows, death tests are thread-safe regardless of the value of the - // death_test_style flag. - return !GTEST_FLAG(internal_run_death_test).empty(); - -# else - - if (GTEST_FLAG(death_test_style) == "threadsafe") - return !GTEST_FLAG(internal_run_death_test).empty(); - else - return g_in_fast_death_test_child; -#endif -} - -} // namespace internal - -// ExitedWithCode constructor. -ExitedWithCode::ExitedWithCode(int exit_code) : exit_code_(exit_code) { -} - -// ExitedWithCode function-call operator. -bool ExitedWithCode::operator()(int exit_status) const { -# if GTEST_OS_WINDOWS - - return exit_status == exit_code_; - -# else - - return WIFEXITED(exit_status) && WEXITSTATUS(exit_status) == exit_code_; - -# endif // GTEST_OS_WINDOWS -} - -# if !GTEST_OS_WINDOWS -// KilledBySignal constructor. -KilledBySignal::KilledBySignal(int signum) : signum_(signum) { -} - -// KilledBySignal function-call operator. -bool KilledBySignal::operator()(int exit_status) const { -# if defined(GTEST_KILLED_BY_SIGNAL_OVERRIDE_) - { - bool result; - if (GTEST_KILLED_BY_SIGNAL_OVERRIDE_(signum_, exit_status, &result)) { - return result; - } - } -# endif // defined(GTEST_KILLED_BY_SIGNAL_OVERRIDE_) - return WIFSIGNALED(exit_status) && WTERMSIG(exit_status) == signum_; -} -# endif // !GTEST_OS_WINDOWS - -namespace internal { - -// Utilities needed for death tests. - -// Generates a textual description of a given exit code, in the format -// specified by wait(2). -static std::string ExitSummary(int exit_code) { - Message m; - -# if GTEST_OS_WINDOWS - - m << "Exited with exit status " << exit_code; - -# else - - if (WIFEXITED(exit_code)) { - m << "Exited with exit status " << WEXITSTATUS(exit_code); - } else if (WIFSIGNALED(exit_code)) { - m << "Terminated by signal " << WTERMSIG(exit_code); - } -# ifdef WCOREDUMP - if (WCOREDUMP(exit_code)) { - m << " (core dumped)"; - } -# endif -# endif // GTEST_OS_WINDOWS - - return m.GetString(); -} - -// Returns true if exit_status describes a process that was terminated -// by a signal, or exited normally with a nonzero exit code. -bool ExitedUnsuccessfully(int exit_status) { - return !ExitedWithCode(0)(exit_status); -} - -# if !GTEST_OS_WINDOWS -// Generates a textual failure message when a death test finds more than -// one thread running, or cannot determine the number of threads, prior -// to executing the given statement. It is the responsibility of the -// caller not to pass a thread_count of 1. -static std::string DeathTestThreadWarning(size_t thread_count) { - Message msg; - msg << "Death tests use fork(), which is unsafe particularly" - << " in a threaded context. For this test, " << GTEST_NAME_ << " "; - if (thread_count == 0) - msg << "couldn't detect the number of threads."; - else - msg << "detected " << thread_count << " threads."; - return msg.GetString(); -} -# endif // !GTEST_OS_WINDOWS - -// Flag characters for reporting a death test that did not die. -static const char kDeathTestLived = 'L'; -static const char kDeathTestReturned = 'R'; -static const char kDeathTestThrew = 'T'; -static const char kDeathTestInternalError = 'I'; - -// An enumeration describing all of the possible ways that a death test can -// conclude. DIED means that the process died while executing the test -// code; LIVED means that process lived beyond the end of the test code; -// RETURNED means that the test statement attempted to execute a return -// statement, which is not allowed; THREW means that the test statement -// returned control by throwing an exception. IN_PROGRESS means the test -// has not yet concluded. -// TODO(vladl@google.com): Unify names and possibly values for -// AbortReason, DeathTestOutcome, and flag characters above. -enum DeathTestOutcome { IN_PROGRESS, DIED, LIVED, RETURNED, THREW }; - -// Routine for aborting the program which is safe to call from an -// exec-style death test child process, in which case the error -// message is propagated back to the parent process. Otherwise, the -// message is simply printed to stderr. In either case, the program -// then exits with status 1. -void DeathTestAbort(const std::string& message) { - // On a POSIX system, this function may be called from a threadsafe-style - // death test child process, which operates on a very small stack. Use - // the heap for any additional non-minuscule memory requirements. - const InternalRunDeathTestFlag* const flag = - GetUnitTestImpl()->internal_run_death_test_flag(); - if (flag != NULL) { - FILE* parent = posix::FDOpen(flag->write_fd(), "w"); - fputc(kDeathTestInternalError, parent); - fprintf(parent, "%s", message.c_str()); - fflush(parent); - _exit(1); - } else { - fprintf(stderr, "%s", message.c_str()); - fflush(stderr); - posix::Abort(); - } -} - -// A replacement for CHECK that calls DeathTestAbort if the assertion -// fails. -# define GTEST_DEATH_TEST_CHECK_(expression) \ - do { \ - if (!::testing::internal::IsTrue(expression)) { \ - DeathTestAbort( \ - ::std::string("CHECK failed: File ") + __FILE__ + ", line " \ - + ::testing::internal::StreamableToString(__LINE__) + ": " \ - + #expression); \ - } \ - } while (::testing::internal::AlwaysFalse()) - -// This macro is similar to GTEST_DEATH_TEST_CHECK_, but it is meant for -// evaluating any system call that fulfills two conditions: it must return -// -1 on failure, and set errno to EINTR when it is interrupted and -// should be tried again. The macro expands to a loop that repeatedly -// evaluates the expression as long as it evaluates to -1 and sets -// errno to EINTR. If the expression evaluates to -1 but errno is -// something other than EINTR, DeathTestAbort is called. -# define GTEST_DEATH_TEST_CHECK_SYSCALL_(expression) \ - do { \ - int gtest_retval; \ - do { \ - gtest_retval = (expression); \ - } while (gtest_retval == -1 && errno == EINTR); \ - if (gtest_retval == -1) { \ - DeathTestAbort( \ - ::std::string("CHECK failed: File ") + __FILE__ + ", line " \ - + ::testing::internal::StreamableToString(__LINE__) + ": " \ - + #expression + " != -1"); \ - } \ - } while (::testing::internal::AlwaysFalse()) - -// Returns the message describing the last system error in errno. -std::string GetLastErrnoDescription() { - return errno == 0 ? "" : posix::StrError(errno); -} - -// This is called from a death test parent process to read a failure -// message from the death test child process and log it with the FATAL -// severity. On Windows, the message is read from a pipe handle. On other -// platforms, it is read from a file descriptor. -static void FailFromInternalError(int fd) { - Message error; - char buffer[256]; - int num_read; - - do { - while ((num_read = posix::Read(fd, buffer, 255)) > 0) { - buffer[num_read] = '\0'; - error << buffer; - } - } while (num_read == -1 && errno == EINTR); - - if (num_read == 0) { - GTEST_LOG_(FATAL) << error.GetString(); - } else { - const int last_error = errno; - GTEST_LOG_(FATAL) << "Error while reading death test internal: " - << GetLastErrnoDescription() << " [" << last_error << "]"; - } -} - -// Death test constructor. Increments the running death test count -// for the current test. -DeathTest::DeathTest() { - TestInfo* const info = GetUnitTestImpl()->current_test_info(); - if (info == NULL) { - DeathTestAbort("Cannot run a death test outside of a TEST or " - "TEST_F construct"); - } -} - -// Creates and returns a death test by dispatching to the current -// death test factory. -bool DeathTest::Create(const char* statement, const RE* regex, - const char* file, int line, DeathTest** test) { - return GetUnitTestImpl()->death_test_factory()->Create( - statement, regex, file, line, test); -} - -const char* DeathTest::LastMessage() { - return last_death_test_message_.c_str(); -} - -void DeathTest::set_last_death_test_message(const std::string& message) { - last_death_test_message_ = message; -} - -std::string DeathTest::last_death_test_message_; - -// Provides cross platform implementation for some death functionality. -class DeathTestImpl : public DeathTest { - protected: - DeathTestImpl(const char* a_statement, const RE* a_regex) - : statement_(a_statement), - regex_(a_regex), - spawned_(false), - status_(-1), - outcome_(IN_PROGRESS), - read_fd_(-1), - write_fd_(-1) {} - - // read_fd_ is expected to be closed and cleared by a derived class. - ~DeathTestImpl() { GTEST_DEATH_TEST_CHECK_(read_fd_ == -1); } - - void Abort(AbortReason reason); - virtual bool Passed(bool status_ok); - - const char* statement() const { return statement_; } - const RE* regex() const { return regex_; } - bool spawned() const { return spawned_; } - void set_spawned(bool is_spawned) { spawned_ = is_spawned; } - int status() const { return status_; } - void set_status(int a_status) { status_ = a_status; } - DeathTestOutcome outcome() const { return outcome_; } - void set_outcome(DeathTestOutcome an_outcome) { outcome_ = an_outcome; } - int read_fd() const { return read_fd_; } - void set_read_fd(int fd) { read_fd_ = fd; } - int write_fd() const { return write_fd_; } - void set_write_fd(int fd) { write_fd_ = fd; } - - // Called in the parent process only. Reads the result code of the death - // test child process via a pipe, interprets it to set the outcome_ - // member, and closes read_fd_. Outputs diagnostics and terminates in - // case of unexpected codes. - void ReadAndInterpretStatusByte(); - - private: - // The textual content of the code this object is testing. This class - // doesn't own this string and should not attempt to delete it. - const char* const statement_; - // The regular expression which test output must match. DeathTestImpl - // doesn't own this object and should not attempt to delete it. - const RE* const regex_; - // True if the death test child process has been successfully spawned. - bool spawned_; - // The exit status of the child process. - int status_; - // How the death test concluded. - DeathTestOutcome outcome_; - // Descriptor to the read end of the pipe to the child process. It is - // always -1 in the child process. The child keeps its write end of the - // pipe in write_fd_. - int read_fd_; - // Descriptor to the child's write end of the pipe to the parent process. - // It is always -1 in the parent process. The parent keeps its end of the - // pipe in read_fd_. - int write_fd_; -}; - -// Called in the parent process only. Reads the result code of the death -// test child process via a pipe, interprets it to set the outcome_ -// member, and closes read_fd_. Outputs diagnostics and terminates in -// case of unexpected codes. -void DeathTestImpl::ReadAndInterpretStatusByte() { - char flag; - int bytes_read; - - // The read() here blocks until data is available (signifying the - // failure of the death test) or until the pipe is closed (signifying - // its success), so it's okay to call this in the parent before - // the child process has exited. - do { - bytes_read = posix::Read(read_fd(), &flag, 1); - } while (bytes_read == -1 && errno == EINTR); - - if (bytes_read == 0) { - set_outcome(DIED); - } else if (bytes_read == 1) { - switch (flag) { - case kDeathTestReturned: - set_outcome(RETURNED); - break; - case kDeathTestThrew: - set_outcome(THREW); - break; - case kDeathTestLived: - set_outcome(LIVED); - break; - case kDeathTestInternalError: - FailFromInternalError(read_fd()); // Does not return. - break; - default: - GTEST_LOG_(FATAL) << "Death test child process reported " - << "unexpected status byte (" - << static_cast<unsigned int>(flag) << ")"; - } - } else { - GTEST_LOG_(FATAL) << "Read from death test child process failed: " - << GetLastErrnoDescription(); - } - GTEST_DEATH_TEST_CHECK_SYSCALL_(posix::Close(read_fd())); - set_read_fd(-1); -} - -// Signals that the death test code which should have exited, didn't. -// Should be called only in a death test child process. -// Writes a status byte to the child's status file descriptor, then -// calls _exit(1). -void DeathTestImpl::Abort(AbortReason reason) { - // The parent process considers the death test to be a failure if - // it finds any data in our pipe. So, here we write a single flag byte - // to the pipe, then exit. - const char status_ch = - reason == TEST_DID_NOT_DIE ? kDeathTestLived : - reason == TEST_THREW_EXCEPTION ? kDeathTestThrew : kDeathTestReturned; - - GTEST_DEATH_TEST_CHECK_SYSCALL_(posix::Write(write_fd(), &status_ch, 1)); - // We are leaking the descriptor here because on some platforms (i.e., - // when built as Windows DLL), destructors of global objects will still - // run after calling _exit(). On such systems, write_fd_ will be - // indirectly closed from the destructor of UnitTestImpl, causing double - // close if it is also closed here. On debug configurations, double close - // may assert. As there are no in-process buffers to flush here, we are - // relying on the OS to close the descriptor after the process terminates - // when the destructors are not run. - _exit(1); // Exits w/o any normal exit hooks (we were supposed to crash) -} - -// Returns an indented copy of stderr output for a death test. -// This makes distinguishing death test output lines from regular log lines -// much easier. -static ::std::string FormatDeathTestOutput(const ::std::string& output) { - ::std::string ret; - for (size_t at = 0; ; ) { - const size_t line_end = output.find('\n', at); - ret += "[ DEATH ] "; - if (line_end == ::std::string::npos) { - ret += output.substr(at); - break; - } - ret += output.substr(at, line_end + 1 - at); - at = line_end + 1; - } - return ret; -} - -// Assesses the success or failure of a death test, using both private -// members which have previously been set, and one argument: -// -// Private data members: -// outcome: An enumeration describing how the death test -// concluded: DIED, LIVED, THREW, or RETURNED. The death test -// fails in the latter three cases. -// status: The exit status of the child process. On *nix, it is in the -// in the format specified by wait(2). On Windows, this is the -// value supplied to the ExitProcess() API or a numeric code -// of the exception that terminated the program. -// regex: A regular expression object to be applied to -// the test's captured standard error output; the death test -// fails if it does not match. -// -// Argument: -// status_ok: true if exit_status is acceptable in the context of -// this particular death test, which fails if it is false -// -// Returns true iff all of the above conditions are met. Otherwise, the -// first failing condition, in the order given above, is the one that is -// reported. Also sets the last death test message string. -bool DeathTestImpl::Passed(bool status_ok) { - if (!spawned()) - return false; - - const std::string error_message = GetCapturedStderr(); - - bool success = false; - Message buffer; - - buffer << "Death test: " << statement() << "\n"; - switch (outcome()) { - case LIVED: - buffer << " Result: failed to die.\n" - << " Error msg:\n" << FormatDeathTestOutput(error_message); - break; - case THREW: - buffer << " Result: threw an exception.\n" - << " Error msg:\n" << FormatDeathTestOutput(error_message); - break; - case RETURNED: - buffer << " Result: illegal return in test statement.\n" - << " Error msg:\n" << FormatDeathTestOutput(error_message); - break; - case DIED: - if (status_ok) { - const bool matched = RE::PartialMatch(error_message.c_str(), *regex()); - if (matched) { - success = true; - } else { - buffer << " Result: died but not with expected error.\n" - << " Expected: " << regex()->pattern() << "\n" - << "Actual msg:\n" << FormatDeathTestOutput(error_message); - } - } else { - buffer << " Result: died but not with expected exit code:\n" - << " " << ExitSummary(status()) << "\n" - << "Actual msg:\n" << FormatDeathTestOutput(error_message); - } - break; - case IN_PROGRESS: - default: - GTEST_LOG_(FATAL) - << "DeathTest::Passed somehow called before conclusion of test"; - } - - DeathTest::set_last_death_test_message(buffer.GetString()); - return success; -} - -# if GTEST_OS_WINDOWS -// WindowsDeathTest implements death tests on Windows. Due to the -// specifics of starting new processes on Windows, death tests there are -// always threadsafe, and Google Test considers the -// --gtest_death_test_style=fast setting to be equivalent to -// --gtest_death_test_style=threadsafe there. -// -// A few implementation notes: Like the Linux version, the Windows -// implementation uses pipes for child-to-parent communication. But due to -// the specifics of pipes on Windows, some extra steps are required: -// -// 1. The parent creates a communication pipe and stores handles to both -// ends of it. -// 2. The parent starts the child and provides it with the information -// necessary to acquire the handle to the write end of the pipe. -// 3. The child acquires the write end of the pipe and signals the parent -// using a Windows event. -// 4. Now the parent can release the write end of the pipe on its side. If -// this is done before step 3, the object's reference count goes down to -// 0 and it is destroyed, preventing the child from acquiring it. The -// parent now has to release it, or read operations on the read end of -// the pipe will not return when the child terminates. -// 5. The parent reads child's output through the pipe (outcome code and -// any possible error messages) from the pipe, and its stderr and then -// determines whether to fail the test. -// -// Note: to distinguish Win32 API calls from the local method and function -// calls, the former are explicitly resolved in the global namespace. -// -class WindowsDeathTest : public DeathTestImpl { - public: - WindowsDeathTest(const char* a_statement, - const RE* a_regex, - const char* file, - int line) - : DeathTestImpl(a_statement, a_regex), file_(file), line_(line) {} - - // All of these virtual functions are inherited from DeathTest. - virtual int Wait(); - virtual TestRole AssumeRole(); - - private: - // The name of the file in which the death test is located. - const char* const file_; - // The line number on which the death test is located. - const int line_; - // Handle to the write end of the pipe to the child process. - AutoHandle write_handle_; - // Child process handle. - AutoHandle child_handle_; - // Event the child process uses to signal the parent that it has - // acquired the handle to the write end of the pipe. After seeing this - // event the parent can release its own handles to make sure its - // ReadFile() calls return when the child terminates. - AutoHandle event_handle_; -}; - -// Waits for the child in a death test to exit, returning its exit -// status, or 0 if no child process exists. As a side effect, sets the -// outcome data member. -int WindowsDeathTest::Wait() { - if (!spawned()) - return 0; - - // Wait until the child either signals that it has acquired the write end - // of the pipe or it dies. - const HANDLE wait_handles[2] = { child_handle_.Get(), event_handle_.Get() }; - switch (::WaitForMultipleObjects(2, - wait_handles, - FALSE, // Waits for any of the handles. - INFINITE)) { - case WAIT_OBJECT_0: - case WAIT_OBJECT_0 + 1: - break; - default: - GTEST_DEATH_TEST_CHECK_(false); // Should not get here. - } - - // The child has acquired the write end of the pipe or exited. - // We release the handle on our side and continue. - write_handle_.Reset(); - event_handle_.Reset(); - - ReadAndInterpretStatusByte(); - - // Waits for the child process to exit if it haven't already. This - // returns immediately if the child has already exited, regardless of - // whether previous calls to WaitForMultipleObjects synchronized on this - // handle or not. - GTEST_DEATH_TEST_CHECK_( - WAIT_OBJECT_0 == ::WaitForSingleObject(child_handle_.Get(), - INFINITE)); - DWORD status_code; - GTEST_DEATH_TEST_CHECK_( - ::GetExitCodeProcess(child_handle_.Get(), &status_code) != FALSE); - child_handle_.Reset(); - set_status(static_cast<int>(status_code)); - return status(); -} - -// The AssumeRole process for a Windows death test. It creates a child -// process with the same executable as the current process to run the -// death test. The child process is given the --gtest_filter and -// --gtest_internal_run_death_test flags such that it knows to run the -// current death test only. -DeathTest::TestRole WindowsDeathTest::AssumeRole() { - const UnitTestImpl* const impl = GetUnitTestImpl(); - const InternalRunDeathTestFlag* const flag = - impl->internal_run_death_test_flag(); - const TestInfo* const info = impl->current_test_info(); - const int death_test_index = info->result()->death_test_count(); - - if (flag != NULL) { - // ParseInternalRunDeathTestFlag() has performed all the necessary - // processing. - set_write_fd(flag->write_fd()); - return EXECUTE_TEST; - } - - // WindowsDeathTest uses an anonymous pipe to communicate results of - // a death test. - SECURITY_ATTRIBUTES handles_are_inheritable = { - sizeof(SECURITY_ATTRIBUTES), NULL, TRUE }; - HANDLE read_handle, write_handle; - GTEST_DEATH_TEST_CHECK_( - ::CreatePipe(&read_handle, &write_handle, &handles_are_inheritable, - 0) // Default buffer size. - != FALSE); - set_read_fd(::_open_osfhandle(reinterpret_cast<intptr_t>(read_handle), - O_RDONLY)); - write_handle_.Reset(write_handle); - event_handle_.Reset(::CreateEvent( - &handles_are_inheritable, - TRUE, // The event will automatically reset to non-signaled state. - FALSE, // The initial state is non-signalled. - NULL)); // The even is unnamed. - GTEST_DEATH_TEST_CHECK_(event_handle_.Get() != NULL); - const std::string filter_flag = - std::string("--") + GTEST_FLAG_PREFIX_ + kFilterFlag + "=" + - info->test_case_name() + "." + info->name(); - const std::string internal_flag = - std::string("--") + GTEST_FLAG_PREFIX_ + kInternalRunDeathTestFlag + - "=" + file_ + "|" + StreamableToString(line_) + "|" + - StreamableToString(death_test_index) + "|" + - StreamableToString(static_cast<unsigned int>(::GetCurrentProcessId())) + - // size_t has the same width as pointers on both 32-bit and 64-bit - // Windows platforms. - // See http://msdn.microsoft.com/en-us/library/tcxf1dw6.aspx. - "|" + StreamableToString(reinterpret_cast<size_t>(write_handle)) + - "|" + StreamableToString(reinterpret_cast<size_t>(event_handle_.Get())); - - char executable_path[_MAX_PATH + 1]; // NOLINT - GTEST_DEATH_TEST_CHECK_( - _MAX_PATH + 1 != ::GetModuleFileNameA(NULL, - executable_path, - _MAX_PATH)); - - std::string command_line = - std::string(::GetCommandLineA()) + " " + filter_flag + " \"" + - internal_flag + "\""; - - DeathTest::set_last_death_test_message(""); - - CaptureStderr(); - // Flush the log buffers since the log streams are shared with the child. - FlushInfoLog(); - - // The child process will share the standard handles with the parent. - STARTUPINFOA startup_info; - memset(&startup_info, 0, sizeof(STARTUPINFO)); - startup_info.dwFlags = STARTF_USESTDHANDLES; - startup_info.hStdInput = ::GetStdHandle(STD_INPUT_HANDLE); - startup_info.hStdOutput = ::GetStdHandle(STD_OUTPUT_HANDLE); - startup_info.hStdError = ::GetStdHandle(STD_ERROR_HANDLE); - - PROCESS_INFORMATION process_info; - GTEST_DEATH_TEST_CHECK_(::CreateProcessA( - executable_path, - const_cast<char*>(command_line.c_str()), - NULL, // Retuned process handle is not inheritable. - NULL, // Retuned thread handle is not inheritable. - TRUE, // Child inherits all inheritable handles (for write_handle_). - 0x0, // Default creation flags. - NULL, // Inherit the parent's environment. - UnitTest::GetInstance()->original_working_dir(), - &startup_info, - &process_info) != FALSE); - child_handle_.Reset(process_info.hProcess); - ::CloseHandle(process_info.hThread); - set_spawned(true); - return OVERSEE_TEST; -} -# else // We are not on Windows. - -// ForkingDeathTest provides implementations for most of the abstract -// methods of the DeathTest interface. Only the AssumeRole method is -// left undefined. -class ForkingDeathTest : public DeathTestImpl { - public: - ForkingDeathTest(const char* statement, const RE* regex); - - // All of these virtual functions are inherited from DeathTest. - virtual int Wait(); - - protected: - void set_child_pid(pid_t child_pid) { child_pid_ = child_pid; } - - private: - // PID of child process during death test; 0 in the child process itself. - pid_t child_pid_; -}; - -// Constructs a ForkingDeathTest. -ForkingDeathTest::ForkingDeathTest(const char* a_statement, const RE* a_regex) - : DeathTestImpl(a_statement, a_regex), - child_pid_(-1) {} - -// Waits for the child in a death test to exit, returning its exit -// status, or 0 if no child process exists. As a side effect, sets the -// outcome data member. -int ForkingDeathTest::Wait() { - if (!spawned()) - return 0; - - ReadAndInterpretStatusByte(); - - int status_value; - GTEST_DEATH_TEST_CHECK_SYSCALL_(waitpid(child_pid_, &status_value, 0)); - set_status(status_value); - return status_value; -} - -// A concrete death test class that forks, then immediately runs the test -// in the child process. -class NoExecDeathTest : public ForkingDeathTest { - public: - NoExecDeathTest(const char* a_statement, const RE* a_regex) : - ForkingDeathTest(a_statement, a_regex) { } - virtual TestRole AssumeRole(); -}; - -// The AssumeRole process for a fork-and-run death test. It implements a -// straightforward fork, with a simple pipe to transmit the status byte. -DeathTest::TestRole NoExecDeathTest::AssumeRole() { - const size_t thread_count = GetThreadCount(); - if (thread_count != 1) { - GTEST_LOG_(WARNING) << DeathTestThreadWarning(thread_count); - } - - int pipe_fd[2]; - GTEST_DEATH_TEST_CHECK_(pipe(pipe_fd) != -1); - - DeathTest::set_last_death_test_message(""); - CaptureStderr(); - // When we fork the process below, the log file buffers are copied, but the - // file descriptors are shared. We flush all log files here so that closing - // the file descriptors in the child process doesn't throw off the - // synchronization between descriptors and buffers in the parent process. - // This is as close to the fork as possible to avoid a race condition in case - // there are multiple threads running before the death test, and another - // thread writes to the log file. - FlushInfoLog(); - - const pid_t child_pid = fork(); - GTEST_DEATH_TEST_CHECK_(child_pid != -1); - set_child_pid(child_pid); - if (child_pid == 0) { - GTEST_DEATH_TEST_CHECK_SYSCALL_(close(pipe_fd[0])); - set_write_fd(pipe_fd[1]); - // Redirects all logging to stderr in the child process to prevent - // concurrent writes to the log files. We capture stderr in the parent - // process and append the child process' output to a log. - LogToStderr(); - // Event forwarding to the listeners of event listener API mush be shut - // down in death test subprocesses. - GetUnitTestImpl()->listeners()->SuppressEventForwarding(); - g_in_fast_death_test_child = true; - return EXECUTE_TEST; - } else { - GTEST_DEATH_TEST_CHECK_SYSCALL_(close(pipe_fd[1])); - set_read_fd(pipe_fd[0]); - set_spawned(true); - return OVERSEE_TEST; - } -} - -// A concrete death test class that forks and re-executes the main -// program from the beginning, with command-line flags set that cause -// only this specific death test to be run. -class ExecDeathTest : public ForkingDeathTest { - public: - ExecDeathTest(const char* a_statement, const RE* a_regex, - const char* file, int line) : - ForkingDeathTest(a_statement, a_regex), file_(file), line_(line) { } - virtual TestRole AssumeRole(); - private: - static ::std::vector<testing::internal::string> - GetArgvsForDeathTestChildProcess() { - ::std::vector<testing::internal::string> args = GetInjectableArgvs(); -# if defined(GTEST_EXTRA_DEATH_TEST_COMMAND_LINE_ARGS_) - ::std::vector<testing::internal::string> extra_args = - GTEST_EXTRA_DEATH_TEST_COMMAND_LINE_ARGS_(); - args.insert(args.end(), extra_args.begin(), extra_args.end()); -# endif // defined(GTEST_EXTRA_DEATH_TEST_COMMAND_LINE_ARGS_) - return args; - } - // The name of the file in which the death test is located. - const char* const file_; - // The line number on which the death test is located. - const int line_; -}; - -// Utility class for accumulating command-line arguments. -class Arguments { - public: - Arguments() { - args_.push_back(NULL); - } - - ~Arguments() { - for (std::vector<char*>::iterator i = args_.begin(); i != args_.end(); - ++i) { - free(*i); - } - } - void AddArgument(const char* argument) { - args_.insert(args_.end() - 1, posix::StrDup(argument)); - } - - template <typename Str> - void AddArguments(const ::std::vector<Str>& arguments) { - for (typename ::std::vector<Str>::const_iterator i = arguments.begin(); - i != arguments.end(); - ++i) { - args_.insert(args_.end() - 1, posix::StrDup(i->c_str())); - } - } - char* const* Argv() { - return &args_[0]; - } - - private: - std::vector<char*> args_; -}; - -// A struct that encompasses the arguments to the child process of a -// threadsafe-style death test process. -struct ExecDeathTestArgs { - char* const* argv; // Command-line arguments for the child's call to exec - int close_fd; // File descriptor to close; the read end of a pipe -}; - -# if GTEST_OS_MAC -inline char** GetEnviron() { - // When Google Test is built as a framework on MacOS X, the environ variable - // is unavailable. Apple's documentation (man environ) recommends using - // _NSGetEnviron() instead. - return *_NSGetEnviron(); -} -# else -// Some POSIX platforms expect you to declare environ. extern "C" makes -// it reside in the global namespace. -extern "C" char** environ; -inline char** GetEnviron() { return environ; } -# endif // GTEST_OS_MAC - -# if !GTEST_OS_QNX -// The main function for a threadsafe-style death test child process. -// This function is called in a clone()-ed process and thus must avoid -// any potentially unsafe operations like malloc or libc functions. -static int ExecDeathTestChildMain(void* child_arg) { - ExecDeathTestArgs* const args = static_cast<ExecDeathTestArgs*>(child_arg); - GTEST_DEATH_TEST_CHECK_SYSCALL_(close(args->close_fd)); - - // We need to execute the test program in the same environment where - // it was originally invoked. Therefore we change to the original - // working directory first. - const char* const original_dir = - UnitTest::GetInstance()->original_working_dir(); - // We can safely call chdir() as it's a direct system call. - if (chdir(original_dir) != 0) { - DeathTestAbort(std::string("chdir(\"") + original_dir + "\") failed: " + - GetLastErrnoDescription()); - return EXIT_FAILURE; - } - - // We can safely call execve() as it's a direct system call. We - // cannot use execvp() as it's a libc function and thus potentially - // unsafe. Since execve() doesn't search the PATH, the user must - // invoke the test program via a valid path that contains at least - // one path separator. - execve(args->argv[0], args->argv, GetEnviron()); - DeathTestAbort(std::string("execve(") + args->argv[0] + ", ...) in " + - original_dir + " failed: " + - GetLastErrnoDescription()); - return EXIT_FAILURE; -} -# endif // !GTEST_OS_QNX - -// Two utility routines that together determine the direction the stack -// grows. -// This could be accomplished more elegantly by a single recursive -// function, but we want to guard against the unlikely possibility of -// a smart compiler optimizing the recursion away. -// -// GTEST_NO_INLINE_ is required to prevent GCC 4.6 from inlining -// StackLowerThanAddress into StackGrowsDown, which then doesn't give -// correct answer. -void StackLowerThanAddress(const void* ptr, bool* result) GTEST_NO_INLINE_; -void StackLowerThanAddress(const void* ptr, bool* result) { - int dummy; - *result = (&dummy < ptr); -} - -// Make sure AddressSanitizer does not tamper with the stack here. -GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_ -bool StackGrowsDown() { - int dummy; - bool result; - StackLowerThanAddress(&dummy, &result); - return result; -} - -// Spawns a child process with the same executable as the current process in -// a thread-safe manner and instructs it to run the death test. The -// implementation uses fork(2) + exec. On systems where clone(2) is -// available, it is used instead, being slightly more thread-safe. On QNX, -// fork supports only single-threaded environments, so this function uses -// spawn(2) there instead. The function dies with an error message if -// anything goes wrong. -static pid_t ExecDeathTestSpawnChild(char* const* argv, int close_fd) { - ExecDeathTestArgs args = { argv, close_fd }; - pid_t child_pid = -1; - -# if GTEST_OS_QNX - // Obtains the current directory and sets it to be closed in the child - // process. - const int cwd_fd = open(".", O_RDONLY); - GTEST_DEATH_TEST_CHECK_(cwd_fd != -1); - GTEST_DEATH_TEST_CHECK_SYSCALL_(fcntl(cwd_fd, F_SETFD, FD_CLOEXEC)); - // We need to execute the test program in the same environment where - // it was originally invoked. Therefore we change to the original - // working directory first. - const char* const original_dir = - UnitTest::GetInstance()->original_working_dir(); - // We can safely call chdir() as it's a direct system call. - if (chdir(original_dir) != 0) { - DeathTestAbort(std::string("chdir(\"") + original_dir + "\") failed: " + - GetLastErrnoDescription()); - return EXIT_FAILURE; - } - - int fd_flags; - // Set close_fd to be closed after spawn. - GTEST_DEATH_TEST_CHECK_SYSCALL_(fd_flags = fcntl(close_fd, F_GETFD)); - GTEST_DEATH_TEST_CHECK_SYSCALL_(fcntl(close_fd, F_SETFD, - fd_flags | FD_CLOEXEC)); - struct inheritance inherit = {0}; - // spawn is a system call. - child_pid = spawn(args.argv[0], 0, NULL, &inherit, args.argv, GetEnviron()); - // Restores the current working directory. - GTEST_DEATH_TEST_CHECK_(fchdir(cwd_fd) != -1); - GTEST_DEATH_TEST_CHECK_SYSCALL_(close(cwd_fd)); - -# else // GTEST_OS_QNX -# if GTEST_OS_LINUX - // When a SIGPROF signal is received while fork() or clone() are executing, - // the process may hang. To avoid this, we ignore SIGPROF here and re-enable - // it after the call to fork()/clone() is complete. - struct sigaction saved_sigprof_action; - struct sigaction ignore_sigprof_action; - memset(&ignore_sigprof_action, 0, sizeof(ignore_sigprof_action)); - sigemptyset(&ignore_sigprof_action.sa_mask); - ignore_sigprof_action.sa_handler = SIG_IGN; - GTEST_DEATH_TEST_CHECK_SYSCALL_(sigaction( - SIGPROF, &ignore_sigprof_action, &saved_sigprof_action)); -# endif // GTEST_OS_LINUX - -# if GTEST_HAS_CLONE - const bool use_fork = GTEST_FLAG(death_test_use_fork); - - if (!use_fork) { - static const bool stack_grows_down = StackGrowsDown(); - const size_t stack_size = getpagesize(); - // MMAP_ANONYMOUS is not defined on Mac, so we use MAP_ANON instead. - void* const stack = mmap(NULL, stack_size, PROT_READ | PROT_WRITE, - MAP_ANON | MAP_PRIVATE, -1, 0); - GTEST_DEATH_TEST_CHECK_(stack != MAP_FAILED); - - // Maximum stack alignment in bytes: For a downward-growing stack, this - // amount is subtracted from size of the stack space to get an address - // that is within the stack space and is aligned on all systems we care - // about. As far as I know there is no ABI with stack alignment greater - // than 64. We assume stack and stack_size already have alignment of - // kMaxStackAlignment. - const size_t kMaxStackAlignment = 64; - void* const stack_top = - static_cast<char*>(stack) + - (stack_grows_down ? stack_size - kMaxStackAlignment : 0); - GTEST_DEATH_TEST_CHECK_(stack_size > kMaxStackAlignment && - reinterpret_cast<intptr_t>(stack_top) % kMaxStackAlignment == 0); - - child_pid = clone(&ExecDeathTestChildMain, stack_top, SIGCHLD, &args); - - GTEST_DEATH_TEST_CHECK_(munmap(stack, stack_size) != -1); - } -# else - const bool use_fork = true; -# endif // GTEST_HAS_CLONE - - if (use_fork && (child_pid = fork()) == 0) { - ExecDeathTestChildMain(&args); - _exit(0); - } -# endif // GTEST_OS_QNX -# if GTEST_OS_LINUX - GTEST_DEATH_TEST_CHECK_SYSCALL_( - sigaction(SIGPROF, &saved_sigprof_action, NULL)); -# endif // GTEST_OS_LINUX - - GTEST_DEATH_TEST_CHECK_(child_pid != -1); - return child_pid; -} - -// The AssumeRole process for a fork-and-exec death test. It re-executes the -// main program from the beginning, setting the --gtest_filter -// and --gtest_internal_run_death_test flags to cause only the current -// death test to be re-run. -DeathTest::TestRole ExecDeathTest::AssumeRole() { - const UnitTestImpl* const impl = GetUnitTestImpl(); - const InternalRunDeathTestFlag* const flag = - impl->internal_run_death_test_flag(); - const TestInfo* const info = impl->current_test_info(); - const int death_test_index = info->result()->death_test_count(); - - if (flag != NULL) { - set_write_fd(flag->write_fd()); - return EXECUTE_TEST; - } - - int pipe_fd[2]; - GTEST_DEATH_TEST_CHECK_(pipe(pipe_fd) != -1); - // Clear the close-on-exec flag on the write end of the pipe, lest - // it be closed when the child process does an exec: - GTEST_DEATH_TEST_CHECK_(fcntl(pipe_fd[1], F_SETFD, 0) != -1); - - const std::string filter_flag = - std::string("--") + GTEST_FLAG_PREFIX_ + kFilterFlag + "=" - + info->test_case_name() + "." + info->name(); - const std::string internal_flag = - std::string("--") + GTEST_FLAG_PREFIX_ + kInternalRunDeathTestFlag + "=" - + file_ + "|" + StreamableToString(line_) + "|" - + StreamableToString(death_test_index) + "|" - + StreamableToString(pipe_fd[1]); - Arguments args; - args.AddArguments(GetArgvsForDeathTestChildProcess()); - args.AddArgument(filter_flag.c_str()); - args.AddArgument(internal_flag.c_str()); - - DeathTest::set_last_death_test_message(""); - - CaptureStderr(); - // See the comment in NoExecDeathTest::AssumeRole for why the next line - // is necessary. - FlushInfoLog(); - - const pid_t child_pid = ExecDeathTestSpawnChild(args.Argv(), pipe_fd[0]); - GTEST_DEATH_TEST_CHECK_SYSCALL_(close(pipe_fd[1])); - set_child_pid(child_pid); - set_read_fd(pipe_fd[0]); - set_spawned(true); - return OVERSEE_TEST; -} - -# endif // !GTEST_OS_WINDOWS - -// Creates a concrete DeathTest-derived class that depends on the -// --gtest_death_test_style flag, and sets the pointer pointed to -// by the "test" argument to its address. If the test should be -// skipped, sets that pointer to NULL. Returns true, unless the -// flag is set to an invalid value. -bool DefaultDeathTestFactory::Create(const char* statement, const RE* regex, - const char* file, int line, - DeathTest** test) { - UnitTestImpl* const impl = GetUnitTestImpl(); - const InternalRunDeathTestFlag* const flag = - impl->internal_run_death_test_flag(); - const int death_test_index = impl->current_test_info() - ->increment_death_test_count(); - - if (flag != NULL) { - if (death_test_index > flag->index()) { - DeathTest::set_last_death_test_message( - "Death test count (" + StreamableToString(death_test_index) - + ") somehow exceeded expected maximum (" - + StreamableToString(flag->index()) + ")"); - return false; - } - - if (!(flag->file() == file && flag->line() == line && - flag->index() == death_test_index)) { - *test = NULL; - return true; - } - } - -# if GTEST_OS_WINDOWS - - if (GTEST_FLAG(death_test_style) == "threadsafe" || - GTEST_FLAG(death_test_style) == "fast") { - *test = new WindowsDeathTest(statement, regex, file, line); - } - -# else - - if (GTEST_FLAG(death_test_style) == "threadsafe") { - *test = new ExecDeathTest(statement, regex, file, line); - } else if (GTEST_FLAG(death_test_style) == "fast") { - *test = new NoExecDeathTest(statement, regex); - } - -# endif // GTEST_OS_WINDOWS - - else { // NOLINT - this is more readable than unbalanced brackets inside #if. - DeathTest::set_last_death_test_message( - "Unknown death test style \"" + GTEST_FLAG(death_test_style) - + "\" encountered"); - return false; - } - - return true; -} - -# if GTEST_OS_WINDOWS -// Recreates the pipe and event handles from the provided parameters, -// signals the event, and returns a file descriptor wrapped around the pipe -// handle. This function is called in the child process only. -int GetStatusFileDescriptor(unsigned int parent_process_id, - size_t write_handle_as_size_t, - size_t event_handle_as_size_t) { - AutoHandle parent_process_handle(::OpenProcess(PROCESS_DUP_HANDLE, - FALSE, // Non-inheritable. - parent_process_id)); - if (parent_process_handle.Get() == INVALID_HANDLE_VALUE) { - DeathTestAbort("Unable to open parent process " + - StreamableToString(parent_process_id)); - } - - // TODO(vladl@google.com): Replace the following check with a - // compile-time assertion when available. - GTEST_CHECK_(sizeof(HANDLE) <= sizeof(size_t)); - - const HANDLE write_handle = - reinterpret_cast<HANDLE>(write_handle_as_size_t); - HANDLE dup_write_handle; - - // The newly initialized handle is accessible only in in the parent - // process. To obtain one accessible within the child, we need to use - // DuplicateHandle. - if (!::DuplicateHandle(parent_process_handle.Get(), write_handle, - ::GetCurrentProcess(), &dup_write_handle, - 0x0, // Requested privileges ignored since - // DUPLICATE_SAME_ACCESS is used. - FALSE, // Request non-inheritable handler. - DUPLICATE_SAME_ACCESS)) { - DeathTestAbort("Unable to duplicate the pipe handle " + - StreamableToString(write_handle_as_size_t) + - " from the parent process " + - StreamableToString(parent_process_id)); - } - - const HANDLE event_handle = reinterpret_cast<HANDLE>(event_handle_as_size_t); - HANDLE dup_event_handle; - - if (!::DuplicateHandle(parent_process_handle.Get(), event_handle, - ::GetCurrentProcess(), &dup_event_handle, - 0x0, - FALSE, - DUPLICATE_SAME_ACCESS)) { - DeathTestAbort("Unable to duplicate the event handle " + - StreamableToString(event_handle_as_size_t) + - " from the parent process " + - StreamableToString(parent_process_id)); - } - - const int write_fd = - ::_open_osfhandle(reinterpret_cast<intptr_t>(dup_write_handle), O_APPEND); - if (write_fd == -1) { - DeathTestAbort("Unable to convert pipe handle " + - StreamableToString(write_handle_as_size_t) + - " to a file descriptor"); - } - - // Signals the parent that the write end of the pipe has been acquired - // so the parent can release its own write end. - ::SetEvent(dup_event_handle); - - return write_fd; -} -# endif // GTEST_OS_WINDOWS - -// Returns a newly created InternalRunDeathTestFlag object with fields -// initialized from the GTEST_FLAG(internal_run_death_test) flag if -// the flag is specified; otherwise returns NULL. -InternalRunDeathTestFlag* ParseInternalRunDeathTestFlag() { - if (GTEST_FLAG(internal_run_death_test) == "") return NULL; - - // GTEST_HAS_DEATH_TEST implies that we have ::std::string, so we - // can use it here. - int line = -1; - int index = -1; - ::std::vector< ::std::string> fields; - SplitString(GTEST_FLAG(internal_run_death_test).c_str(), '|', &fields); - int write_fd = -1; - -# if GTEST_OS_WINDOWS - - unsigned int parent_process_id = 0; - size_t write_handle_as_size_t = 0; - size_t event_handle_as_size_t = 0; - - if (fields.size() != 6 - || !ParseNaturalNumber(fields[1], &line) - || !ParseNaturalNumber(fields[2], &index) - || !ParseNaturalNumber(fields[3], &parent_process_id) - || !ParseNaturalNumber(fields[4], &write_handle_as_size_t) - || !ParseNaturalNumber(fields[5], &event_handle_as_size_t)) { - DeathTestAbort("Bad --gtest_internal_run_death_test flag: " + - GTEST_FLAG(internal_run_death_test)); - } - write_fd = GetStatusFileDescriptor(parent_process_id, - write_handle_as_size_t, - event_handle_as_size_t); -# else - - if (fields.size() != 4 - || !ParseNaturalNumber(fields[1], &line) - || !ParseNaturalNumber(fields[2], &index) - || !ParseNaturalNumber(fields[3], &write_fd)) { - DeathTestAbort("Bad --gtest_internal_run_death_test flag: " - + GTEST_FLAG(internal_run_death_test)); - } - -# endif // GTEST_OS_WINDOWS - - return new InternalRunDeathTestFlag(fields[0], line, index, write_fd); -} - -} // namespace internal - -#endif // GTEST_HAS_DEATH_TEST - -} // namespace testing |