The Tor Browser: comparison media/webrtc/trunk/testing/gtest/src/gtest.cc

--1:000000000000
+:6418741510cd
+// 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)
+//
+// The Google C++ Testing Framework (Google Test)
+#include "gtest/gtest.h"
+#include "gtest/gtest-spi.h"
+#include <ctype.h>
+#include <math.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <wchar.h>
+#include <wctype.h>
+#include <algorithm>
+#include <ostream>  // NOLINT
+#include <sstream>
+#include <vector>
+#if GTEST_OS_LINUX
+// TODO(kenton@google.com): Use autoconf to detect availability of
+// gettimeofday().
+# define GTEST_HAS_GETTIMEOFDAY_ 1
+# include <fcntl.h>  // NOLINT
+# include <limits.h>  // NOLINT
+# include <sched.h>  // NOLINT
+// Declares vsnprintf().  This header is not available on Windows.
+# include <strings.h>  // NOLINT
+# include <sys/mman.h>  // NOLINT
+# include <sys/time.h>  // NOLINT
+# include <unistd.h>  // NOLINT
+# include <string>
+#elif GTEST_OS_SYMBIAN
+# define GTEST_HAS_GETTIMEOFDAY_ 1
+# include <sys/time.h>  // NOLINT
+#elif GTEST_OS_ZOS
+# define GTEST_HAS_GETTIMEOFDAY_ 1
+# include <sys/time.h>  // NOLINT
+// On z/OS we additionally need strings.h for strcasecmp.
+# include <strings.h>  // NOLINT
+#elif GTEST_OS_WINDOWS_MOBILE  // We are on Windows CE.
+# include <windows.h>  // NOLINT
+#elif GTEST_OS_WINDOWS  // We are on Windows proper.
+# include <io.h>  // NOLINT
+# include <sys/timeb.h>  // NOLINT
+# include <sys/types.h>  // NOLINT
+# include <sys/stat.h>  // NOLINT
+# if GTEST_OS_WINDOWS_MINGW
+// MinGW has gettimeofday() but not _ftime64().
+// TODO(kenton@google.com): Use autoconf to detect availability of
+//   gettimeofday().
+// TODO(kenton@google.com): There are other ways to get the time on
+//   Windows, like GetTickCount() or GetSystemTimeAsFileTime().  MinGW
+//   supports these.  consider using them instead.
+#  define GTEST_HAS_GETTIMEOFDAY_ 1
+#  include <sys/time.h>  // NOLINT
+# endif  // GTEST_OS_WINDOWS_MINGW
+// cpplint thinks that the header is already included, so we want to
+// silence it.
+# include <windows.h>  // NOLINT
+#else
+// Assume other platforms have gettimeofday().
+// TODO(kenton@google.com): Use autoconf to detect availability of
+//   gettimeofday().
+# define GTEST_HAS_GETTIMEOFDAY_ 1
+// cpplint thinks that the header is already included, so we want to
+// silence it.
+# include <sys/time.h>  // NOLINT
+# include <unistd.h>  // NOLINT
+#endif  // GTEST_OS_LINUX
+#if GTEST_HAS_EXCEPTIONS
+# include <stdexcept>
+#endif
+#if GTEST_CAN_STREAM_RESULTS_
+# include <arpa/inet.h>  // NOLINT
+# include <netdb.h>  // NOLINT
+#endif
+// Indicates that this translation unit is part of Google Test's
+// implementation.  It must come before gtest-internal-inl.h is
+// included, or there will be a compiler error.  This trick is to
+// prevent a user from accidentally including gtest-internal-inl.h in
+// his code.
+#define GTEST_IMPLEMENTATION_ 1
+#include "src/gtest-internal-inl.h"
+#undef GTEST_IMPLEMENTATION_
+#if GTEST_OS_WINDOWS
+# define vsnprintf _vsnprintf
+#endif  // GTEST_OS_WINDOWS
+namespace testing {
+using internal::CountIf;
+using internal::ForEach;
+using internal::GetElementOr;
+using internal::Shuffle;
+// Constants.
+// A test whose test case name or test name matches this filter is
+// disabled and not run.
+static const char kDisableTestFilter[] = "DISABLED_*:*/DISABLED_*";
+// A test case whose name matches this filter is considered a death
+// test case and will be run before test cases whose name doesn't
+// match this filter.
+static const char kDeathTestCaseFilter[] = "*DeathTest:*DeathTest/*";
+// A test filter that matches everything.
+static const char kUniversalFilter[] = "*";
+// The default output file for XML output.
+static const char kDefaultOutputFile[] = "test_detail.xml";
+// The environment variable name for the test shard index.
+static const char kTestShardIndex[] = "GTEST_SHARD_INDEX";
+// The environment variable name for the total number of test shards.
+static const char kTestTotalShards[] = "GTEST_TOTAL_SHARDS";
+// The environment variable name for the test shard status file.
+static const char kTestShardStatusFile[] = "GTEST_SHARD_STATUS_FILE";
+namespace internal {
+// The text used in failure messages to indicate the start of the
+// stack trace.
+const char kStackTraceMarker[] = "\nStack trace:\n";
+// g_help_flag is true iff the --help flag or an equivalent form is
+// specified on the command line.
+bool g_help_flag = false;
+}  // namespace internal
+GTEST_DEFINE_bool_(
+also_run_disabled_tests,
+internal::BoolFromGTestEnv("also_run_disabled_tests", false),
+"Run disabled tests too, in addition to the tests normally being run.");
+GTEST_DEFINE_bool_(
+break_on_failure,
+internal::BoolFromGTestEnv("break_on_failure", false),
+"True iff a failed assertion should be a debugger break-point.");
+GTEST_DEFINE_bool_(
+catch_exceptions,
+internal::BoolFromGTestEnv("catch_exceptions", true),
+"True iff " GTEST_NAME_
+" should catch exceptions and treat them as test failures.");
+GTEST_DEFINE_string_(
+color,
+internal::StringFromGTestEnv("color", "auto"),
+"Whether to use colors in the output.  Valid values: yes, no, "
+"and auto.  'auto' means to use colors if the output is "
+"being sent to a terminal and the TERM environment variable "
+"is set to xterm, xterm-color, xterm-256color, linux or cygwin.");
+GTEST_DEFINE_string_(
+filter,
+internal::StringFromGTestEnv("filter", kUniversalFilter),
+"A colon-separated list of glob (not regex) patterns "
+"for filtering the tests to run, optionally followed by a "
+"'-' and a : separated list of negative patterns (tests to "
+"exclude).  A test is run if it matches one of the positive "
+"patterns and does not match any of the negative patterns.");
+GTEST_DEFINE_bool_(list_tests, false,
+"List all tests without running them.");
+GTEST_DEFINE_string_(
+output,
+internal::StringFromGTestEnv("output", ""),
+"A format (currently must be \"xml\"), optionally followed "
+"by a colon and an output file name or directory. A directory "
+"is indicated by a trailing pathname separator. "
+"Examples: \"xml:filename.xml\", \"xml::directoryname/\". "
+"If a directory is specified, output files will be created "
+"within that directory, with file-names based on the test "
+"executable's name and, if necessary, made unique by adding "
+"digits.");
+GTEST_DEFINE_bool_(
+print_time,
+internal::BoolFromGTestEnv("print_time", true),
+"True iff " GTEST_NAME_
+" should display elapsed time in text output.");
+GTEST_DEFINE_int32_(
+random_seed,
+internal::Int32FromGTestEnv("random_seed", 0),
+"Random number seed to use when shuffling test orders.  Must be in range "
+"[1, 99999], or 0 to use a seed based on the current time.");
+GTEST_DEFINE_int32_(
+repeat,
+internal::Int32FromGTestEnv("repeat", 1),
+"How many times to repeat each test.  Specify a negative number "
+"for repeating forever.  Useful for shaking out flaky tests.");
+GTEST_DEFINE_bool_(
+show_internal_stack_frames, false,
+"True iff " GTEST_NAME_ " should include internal stack frames when "
+"printing test failure stack traces.");
+GTEST_DEFINE_bool_(
+shuffle,
+internal::BoolFromGTestEnv("shuffle", false),
+"True iff " GTEST_NAME_
+" should randomize tests' order on every run.");
+GTEST_DEFINE_int32_(
+stack_trace_depth,
+internal::Int32FromGTestEnv("stack_trace_depth", kMaxStackTraceDepth),
+"The maximum number of stack frames to print when an "
+"assertion fails.  The valid range is 0 through 100, inclusive.");
+GTEST_DEFINE_string_(
+stream_result_to,
+internal::StringFromGTestEnv("stream_result_to", ""),
+"This flag specifies the host name and the port number on which to stream "
+"test results. Example: \"localhost:555\". The flag is effective only on "
+"Linux.");
+GTEST_DEFINE_bool_(
+throw_on_failure,
+internal::BoolFromGTestEnv("throw_on_failure", false),
+"When this flag is specified, a failed assertion will throw an exception "
+"if exceptions are enabled or exit the program with a non-zero code "
+"otherwise.");
+namespace internal {
+// Generates a random number from [0, range), using a Linear
+// Congruential Generator (LCG).  Crashes if 'range' is 0 or greater
+// than kMaxRange.
+UInt32 Random::Generate(UInt32 range) {
+// These constants are the same as are used in glibc's rand(3).
+state_ = (1103515245U*state_ + 12345U) % kMaxRange;
+GTEST_CHECK_(range > 0)
+<< "Cannot generate a number in the range [0, 0).";
+GTEST_CHECK_(range <= kMaxRange)
+<< "Generation of a number in [0, " << range << ") was requested, "
+<< "but this can only generate numbers in [0, " << kMaxRange << ").";
+// Converting via modulus introduces a bit of downward bias, but
+// it's simple, and a linear congruential generator isn't too good
+// to begin with.
+return state_ % range;
+}
+// GTestIsInitialized() returns true iff the user has initialized
+// Google Test.  Useful for catching the user mistake of not initializing
+// Google Test before calling RUN_ALL_TESTS().
+//
+// A user must call testing::InitGoogleTest() to initialize Google
+// Test.  g_init_gtest_count is set to the number of times
+// InitGoogleTest() has been called.  We don't protect this variable
+// under a mutex as it is only accessed in the main thread.
+GTEST_API_ int g_init_gtest_count = 0;
+static bool GTestIsInitialized() { return g_init_gtest_count != 0; }
+// Iterates over a vector of TestCases, keeping a running sum of the
+// results of calling a given int-returning method on each.
+// Returns the sum.
+static int SumOverTestCaseList(const std::vector<TestCase*>& case_list,
+int (TestCase::*method)() const) {
+int sum = 0;
+for (size_t i = 0; i < case_list.size(); i++) {
+sum += (case_list[i]->*method)();
+}
+return sum;
+}
+// Returns true iff the test case passed.
+static bool TestCasePassed(const TestCase* test_case) {
+return test_case->should_run() && test_case->Passed();
+}
+// Returns true iff the test case failed.
+static bool TestCaseFailed(const TestCase* test_case) {
+return test_case->should_run() && test_case->Failed();
+}
+// Returns true iff test_case contains at least one test that should
+// run.
+static bool ShouldRunTestCase(const TestCase* test_case) {
+return test_case->should_run();
+}
+// AssertHelper constructor.
+AssertHelper::AssertHelper(TestPartResult::Type type,
+const char* file,
+int line,
+const char* message)
+: data_(new AssertHelperData(type, file, line, message)) {
+}
+AssertHelper::~AssertHelper() {
+delete data_;
+}
+// Message assignment, for assertion streaming support.
+void AssertHelper::operator=(const Message& message) const {
+UnitTest::GetInstance()->
+AddTestPartResult(data_->type, data_->file, data_->line,
+AppendUserMessage(data_->message, message),
+UnitTest::GetInstance()->impl()
+->CurrentOsStackTraceExceptTop(1)
+// Skips the stack frame for this function itself.
+);  // NOLINT
+}
+// Mutex for linked pointers.
+GTEST_API_ GTEST_DEFINE_STATIC_MUTEX_(g_linked_ptr_mutex);
+// Application pathname gotten in InitGoogleTest.
+String g_executable_path;
+// Returns the current application's name, removing directory path if that
+// is present.
+FilePath GetCurrentExecutableName() {
+FilePath result;
+#if GTEST_OS_WINDOWS
+result.Set(FilePath(g_executable_path).RemoveExtension("exe"));
+#else
+result.Set(FilePath(g_executable_path));
+#endif  // GTEST_OS_WINDOWS
+return result.RemoveDirectoryName();
+}
+// Functions for processing the gtest_output flag.
+// Returns the output format, or "" for normal printed output.
+String UnitTestOptions::GetOutputFormat() {
+const char* const gtest_output_flag = GTEST_FLAG(output).c_str();
+if (gtest_output_flag == NULL) return String("");
+const char* const colon = strchr(gtest_output_flag, ':');
+return (colon == NULL) ?
+String(gtest_output_flag) :
+String(gtest_output_flag, colon - gtest_output_flag);
+}
+// Returns the name of the requested output file, or the default if none
+// was explicitly specified.
+String UnitTestOptions::GetAbsolutePathToOutputFile() {
+const char* const gtest_output_flag = GTEST_FLAG(output).c_str();
+if (gtest_output_flag == NULL)
+return String("");
+const char* const colon = strchr(gtest_output_flag, ':');
+if (colon == NULL)
+return String(internal::FilePath::ConcatPaths(
+internal::FilePath(
+UnitTest::GetInstance()->original_working_dir()),
+internal::FilePath(kDefaultOutputFile)).ToString() );
+internal::FilePath output_name(colon + 1);
+if (!output_name.IsAbsolutePath())
+// TODO(wan@google.com): on Windows \some\path is not an absolute
+// path (as its meaning depends on the current drive), yet the
+// following logic for turning it into an absolute path is wrong.
+// Fix it.
+output_name = internal::FilePath::ConcatPaths(
+internal::FilePath(UnitTest::GetInstance()->original_working_dir()),
+internal::FilePath(colon + 1));
+if (!output_name.IsDirectory())
+return output_name.ToString();
+internal::FilePath result(internal::FilePath::GenerateUniqueFileName(
+output_name, internal::GetCurrentExecutableName(),
+GetOutputFormat().c_str()));
+return result.ToString();
+}
+// Returns true iff the wildcard pattern matches the string.  The
+// first ':' or '\0' character in pattern marks the end of it.
+//
+// This recursive algorithm isn't very efficient, but is clear and
+// works well enough for matching test names, which are short.
+bool UnitTestOptions::PatternMatchesString(const char *pattern,
+const char *str) {
+switch (*pattern) {
+case '\0':
+case ':':  // Either ':' or '\0' marks the end of the pattern.
+return *str == '\0';
+case '?':  // Matches any single character.
+return *str != '\0' && PatternMatchesString(pattern + 1, str + 1);
+case '*':  // Matches any string (possibly empty) of characters.
+return (*str != '\0' && PatternMatchesString(pattern, str + 1)) ||
+PatternMatchesString(pattern + 1, str);
+default:  // Non-special character.  Matches itself.
+return *pattern == *str &&
+PatternMatchesString(pattern + 1, str + 1);
+}
+}
+bool UnitTestOptions::MatchesFilter(const String& name, const char* filter) {
+const char *cur_pattern = filter;
+for (;;) {
+if (PatternMatchesString(cur_pattern, name.c_str())) {
+return true;
+}
+// Finds the next pattern in the filter.
+cur_pattern = strchr(cur_pattern, ':');
+// Returns if no more pattern can be found.
+if (cur_pattern == NULL) {
+return false;
+}
+// Skips the pattern separater (the ':' character).
+cur_pattern++;
+}
+}
+// TODO(keithray): move String function implementations to gtest-string.cc.
+// Returns true iff the user-specified filter matches the test case
+// name and the test name.
+bool UnitTestOptions::FilterMatchesTest(const String &test_case_name,
+const String &test_name) {
+const String& full_name = String::Format("%s.%s",
+test_case_name.c_str(),
+test_name.c_str());
+// Split --gtest_filter at '-', if there is one, to separate into
+// positive filter and negative filter portions
+const char* const p = GTEST_FLAG(filter).c_str();
+const char* const dash = strchr(p, '-');
+String positive;
+String negative;
+if (dash == NULL) {
+positive = GTEST_FLAG(filter).c_str();  // Whole string is a positive filter
+negative = String("");
+} else {
+positive = String(p, dash - p);  // Everything up to the dash
+negative = String(dash+1);       // Everything after the dash
+if (positive.empty()) {
+// Treat '-test1' as the same as '*-test1'
+positive = kUniversalFilter;
+}
+}
+// A filter is a colon-separated list of patterns.  It matches a
+// test if any pattern in it matches the test.
+return (MatchesFilter(full_name, positive.c_str()) &&
+!MatchesFilter(full_name, negative.c_str()));
+}
+#if GTEST_HAS_SEH
+// Returns EXCEPTION_EXECUTE_HANDLER if Google Test should handle the
+// given SEH exception, or EXCEPTION_CONTINUE_SEARCH otherwise.
+// This function is useful as an __except condition.
+int UnitTestOptions::GTestShouldProcessSEH(DWORD exception_code) {
+// Google Test should handle a SEH exception if:
+//   1. the user wants it to, AND
+//   2. this is not a breakpoint exception, AND
+//   3. this is not a C++ exception (VC++ implements them via SEH,
+//      apparently).
+//
+// SEH exception code for C++ exceptions.
+// (see http://support.microsoft.com/kb/185294 for more information).
+const DWORD kCxxExceptionCode = 0xe06d7363;
+bool should_handle = true;
+if (!GTEST_FLAG(catch_exceptions))
+should_handle = false;
+else if (exception_code == EXCEPTION_BREAKPOINT)
+should_handle = false;
+else if (exception_code == kCxxExceptionCode)
+should_handle = false;
+return should_handle ? EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH;
+}
+#endif  // GTEST_HAS_SEH
+}  // namespace internal
+// The c'tor sets this object as the test part result reporter used by
+// Google Test.  The 'result' parameter specifies where to report the
+// results. Intercepts only failures from the current thread.
+ScopedFakeTestPartResultReporter::ScopedFakeTestPartResultReporter(
+TestPartResultArray* result)
+: intercept_mode_(INTERCEPT_ONLY_CURRENT_THREAD),
+result_(result) {
+Init();
+}
+// The c'tor sets this object as the test part result reporter used by
+// Google Test.  The 'result' parameter specifies where to report the
+// results.
+ScopedFakeTestPartResultReporter::ScopedFakeTestPartResultReporter(
+InterceptMode intercept_mode, TestPartResultArray* result)
+: intercept_mode_(intercept_mode),
+result_(result) {
+Init();
+}
+void ScopedFakeTestPartResultReporter::Init() {
+internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
+if (intercept_mode_ == INTERCEPT_ALL_THREADS) {
+old_reporter_ = impl->GetGlobalTestPartResultReporter();
+impl->SetGlobalTestPartResultReporter(this);
+} else {
+old_reporter_ = impl->GetTestPartResultReporterForCurrentThread();
+impl->SetTestPartResultReporterForCurrentThread(this);
+}
+}
+// The d'tor restores the test part result reporter used by Google Test
+// before.
+ScopedFakeTestPartResultReporter::~ScopedFakeTestPartResultReporter() {
+internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
+if (intercept_mode_ == INTERCEPT_ALL_THREADS) {
+impl->SetGlobalTestPartResultReporter(old_reporter_);
+} else {
+impl->SetTestPartResultReporterForCurrentThread(old_reporter_);
+}
+}
+// Increments the test part result count and remembers the result.
+// This method is from the TestPartResultReporterInterface interface.
+void ScopedFakeTestPartResultReporter::ReportTestPartResult(
+const TestPartResult& result) {
+result_->Append(result);
+}
+namespace internal {
+// Returns the type ID of ::testing::Test.  We should always call this
+// instead of GetTypeId< ::testing::Test>() to get the type ID of
+// testing::Test.  This is to work around a suspected linker bug when
+// using Google Test as a framework on Mac OS X.  The bug causes
+// GetTypeId< ::testing::Test>() to return different values depending
+// on whether the call is from the Google Test framework itself or
+// from user test code.  GetTestTypeId() is guaranteed to always
+// return the same value, as it always calls GetTypeId<>() from the
+// gtest.cc, which is within the Google Test framework.
+TypeId GetTestTypeId() {
+return GetTypeId<Test>();
+}
+// The value of GetTestTypeId() as seen from within the Google Test
+// library.  This is solely for testing GetTestTypeId().
+extern const TypeId kTestTypeIdInGoogleTest = GetTestTypeId();
+// This predicate-formatter checks that 'results' contains a test part
+// failure of the given type and that the failure message contains the
+// given substring.
+AssertionResult HasOneFailure(const char* /* results_expr */,
+const char* /* type_expr */,
+const char* /* substr_expr */,
+const TestPartResultArray& results,
+TestPartResult::Type type,
+const string& substr) {
+const String expected(type == TestPartResult::kFatalFailure ?
+"1 fatal failure" :
+"1 non-fatal failure");
+Message msg;
+if (results.size() != 1) {
+msg << "Expected: " << expected << "\n"
+<< "  Actual: " << results.size() << " failures";
+for (int i = 0; i < results.size(); i++) {
+msg << "\n" << results.GetTestPartResult(i);
+}
+return AssertionFailure() << msg;
+}
+const TestPartResult& r = results.GetTestPartResult(0);
+if (r.type() != type) {
+return AssertionFailure() << "Expected: " << expected << "\n"
+<< "  Actual:\n"
+<< r;
+}
+if (strstr(r.message(), substr.c_str()) == NULL) {
+return AssertionFailure() << "Expected: " << expected << " containing \""
+<< substr << "\"\n"
+<< "  Actual:\n"
+<< r;
+}
+return AssertionSuccess();
+}
+// The constructor of SingleFailureChecker remembers where to look up
+// test part results, what type of failure we expect, and what
+// substring the failure message should contain.
+SingleFailureChecker:: SingleFailureChecker(
+const TestPartResultArray* results,
+TestPartResult::Type type,
+const string& substr)
+: results_(results),
+type_(type),
+substr_(substr) {}
+// The destructor of SingleFailureChecker verifies that the given
+// TestPartResultArray contains exactly one failure that has the given
+// type and contains the given substring.  If that's not the case, a
+// non-fatal failure will be generated.
+SingleFailureChecker::~SingleFailureChecker() {
+EXPECT_PRED_FORMAT3(HasOneFailure, *results_, type_, substr_);
+}
+DefaultGlobalTestPartResultReporter::DefaultGlobalTestPartResultReporter(
+UnitTestImpl* unit_test) : unit_test_(unit_test) {}
+void DefaultGlobalTestPartResultReporter::ReportTestPartResult(
+const TestPartResult& result) {
+unit_test_->current_test_result()->AddTestPartResult(result);
+unit_test_->listeners()->repeater()->OnTestPartResult(result);
+}
+DefaultPerThreadTestPartResultReporter::DefaultPerThreadTestPartResultReporter(
+UnitTestImpl* unit_test) : unit_test_(unit_test) {}
+void DefaultPerThreadTestPartResultReporter::ReportTestPartResult(
+const TestPartResult& result) {
+unit_test_->GetGlobalTestPartResultReporter()->ReportTestPartResult(result);
+}
+// Returns the global test part result reporter.
+TestPartResultReporterInterface*
+UnitTestImpl::GetGlobalTestPartResultReporter() {
+internal::MutexLock lock(&global_test_part_result_reporter_mutex_);
+return global_test_part_result_repoter_;
+}
+// Sets the global test part result reporter.
+void UnitTestImpl::SetGlobalTestPartResultReporter(
+TestPartResultReporterInterface* reporter) {
+internal::MutexLock lock(&global_test_part_result_reporter_mutex_);
+global_test_part_result_repoter_ = reporter;
+}
+// Returns the test part result reporter for the current thread.
+TestPartResultReporterInterface*
+UnitTestImpl::GetTestPartResultReporterForCurrentThread() {
+return per_thread_test_part_result_reporter_.get();
+}
+// Sets the test part result reporter for the current thread.
+void UnitTestImpl::SetTestPartResultReporterForCurrentThread(
+TestPartResultReporterInterface* reporter) {
+per_thread_test_part_result_reporter_.set(reporter);
+}
+// Gets the number of successful test cases.
+int UnitTestImpl::successful_test_case_count() const {
+return CountIf(test_cases_, TestCasePassed);
+}
+// Gets the number of failed test cases.
+int UnitTestImpl::failed_test_case_count() const {
+return CountIf(test_cases_, TestCaseFailed);
+}
+// Gets the number of all test cases.
+int UnitTestImpl::total_test_case_count() const {
+return static_cast<int>(test_cases_.size());
+}
+// Gets the number of all test cases that contain at least one test
+// that should run.
+int UnitTestImpl::test_case_to_run_count() const {
+return CountIf(test_cases_, ShouldRunTestCase);
+}
+// Gets the number of successful tests.
+int UnitTestImpl::successful_test_count() const {
+return SumOverTestCaseList(test_cases_, &TestCase::successful_test_count);
+}
+// Gets the number of failed tests.
+int UnitTestImpl::failed_test_count() const {
+return SumOverTestCaseList(test_cases_, &TestCase::failed_test_count);
+}
+// Gets the number of disabled tests.
+int UnitTestImpl::disabled_test_count() const {
+return SumOverTestCaseList(test_cases_, &TestCase::disabled_test_count);
+}
+// Gets the number of all tests.
+int UnitTestImpl::total_test_count() const {
+return SumOverTestCaseList(test_cases_, &TestCase::total_test_count);
+}
+// Gets the number of tests that should run.
+int UnitTestImpl::test_to_run_count() const {
+return SumOverTestCaseList(test_cases_, &TestCase::test_to_run_count);
+}
+// Returns the current OS stack trace as a String.
+//
+// The maximum number of stack frames to be included is specified by
+// the gtest_stack_trace_depth flag.  The skip_count parameter
+// specifies the number of top frames to be skipped, which doesn't
+// count against the number of frames to be included.
+//
+// For example, if Foo() calls Bar(), which in turn calls
+// CurrentOsStackTraceExceptTop(1), Foo() will be included in the
+// trace but Bar() and CurrentOsStackTraceExceptTop() won't.
+String UnitTestImpl::CurrentOsStackTraceExceptTop(int skip_count) {
+(void)skip_count;
+return String("");
+}
+// Returns the current time in milliseconds.
+TimeInMillis GetTimeInMillis() {
+#if GTEST_OS_WINDOWS_MOBILE || defined(__BORLANDC__)
+// Difference between 1970-01-01 and 1601-01-01 in milliseconds.
+// http://analogous.blogspot.com/2005/04/epoch.html
+const TimeInMillis kJavaEpochToWinFileTimeDelta =
+static_cast<TimeInMillis>(116444736UL) * 100000UL;
+const DWORD kTenthMicrosInMilliSecond = 10000;
+SYSTEMTIME now_systime;
+FILETIME now_filetime;
+ULARGE_INTEGER now_int64;
+// TODO(kenton@google.com): Shouldn't this just use
+//   GetSystemTimeAsFileTime()?
+GetSystemTime(&now_systime);
+if (SystemTimeToFileTime(&now_systime, &now_filetime)) {
+now_int64.LowPart = now_filetime.dwLowDateTime;
+now_int64.HighPart = now_filetime.dwHighDateTime;
+now_int64.QuadPart = (now_int64.QuadPart / kTenthMicrosInMilliSecond) -
+kJavaEpochToWinFileTimeDelta;
+return now_int64.QuadPart;
+}
+return 0;
+#elif GTEST_OS_WINDOWS && !GTEST_HAS_GETTIMEOFDAY_
+__timeb64 now;
+# ifdef _MSC_VER
+// MSVC 8 deprecates _ftime64(), so we want to suppress warning 4996
+// (deprecated function) there.
+// TODO(kenton@google.com): Use GetTickCount()?  Or use
+//   SystemTimeToFileTime()
+#  pragma warning(push)          // Saves the current warning state.
+#  pragma warning(disable:4996)  // Temporarily disables warning 4996.
+_ftime64(&now);
+#  pragma warning(pop)           // Restores the warning state.
+# else
+_ftime64(&now);
+# endif  // _MSC_VER
+return static_cast<TimeInMillis>(now.time) * 1000 + now.millitm;
+#elif GTEST_HAS_GETTIMEOFDAY_
+struct timeval now;
+gettimeofday(&now, NULL);
+return static_cast<TimeInMillis>(now.tv_sec) * 1000 + now.tv_usec / 1000;
+#else
+# error "Don't know how to get the current time on your system."
+#endif
+}
+// Utilities
+// class String
+// Copies at most length characters from str into a newly-allocated
+// piece of memory of size length+1.  The memory is allocated with new[].
+// A terminating null byte is written to the memory, and a pointer to it
+// is returned.  If str is NULL, NULL is returned.
+static char* CloneString(const char* str, size_t length) {
+if (str == NULL) {
+return NULL;
+} else {
+char* const clone = new char[length + 1];
+posix::StrNCpy(clone, str, length);
+clone[length] = '\0';
+return clone;
+}
+}
+// Clones a 0-terminated C string, allocating memory using new.  The
+// caller is responsible for deleting[] the return value.  Returns the
+// cloned string, or NULL if the input is NULL.
+const char * String::CloneCString(const char* c_str) {
+return (c_str == NULL) ?
+NULL : CloneString(c_str, strlen(c_str));
+}
+#if GTEST_OS_WINDOWS_MOBILE
+// Creates a UTF-16 wide string from the given ANSI string, allocating
+// memory using new. The caller is responsible for deleting the return
+// value using delete[]. Returns the wide string, or NULL if the
+// input is NULL.
+LPCWSTR String::AnsiToUtf16(const char* ansi) {
+if (!ansi) return NULL;
+const int length = strlen(ansi);
+const int unicode_length =
+MultiByteToWideChar(CP_ACP, 0, ansi, length,
+NULL, 0);
+WCHAR* unicode = new WCHAR[unicode_length + 1];
+MultiByteToWideChar(CP_ACP, 0, ansi, length,
+unicode, unicode_length);
+unicode[unicode_length] = 0;
+return unicode;
+}
+// Creates an ANSI string from the given wide string, allocating
+// memory using new. The caller is responsible for deleting the return
+// value using delete[]. Returns the ANSI string, or NULL if the
+// input is NULL.
+const char* String::Utf16ToAnsi(LPCWSTR utf16_str)  {
+if (!utf16_str) return NULL;
+const int ansi_length =
+WideCharToMultiByte(CP_ACP, 0, utf16_str, -1,
+NULL, 0, NULL, NULL);
+char* ansi = new char[ansi_length + 1];
+WideCharToMultiByte(CP_ACP, 0, utf16_str, -1,
+ansi, ansi_length, NULL, NULL);
+ansi[ansi_length] = 0;
+return ansi;
+}
+#endif  // GTEST_OS_WINDOWS_MOBILE
+// Compares two C strings.  Returns true iff they have the same content.
+//
+// Unlike strcmp(), this function can handle NULL argument(s).  A NULL
+// C string is considered different to any non-NULL C string,
+// including the empty string.
+bool String::CStringEquals(const char * lhs, const char * rhs) {
+if ( lhs == NULL ) return rhs == NULL;
+if ( rhs == NULL ) return false;
+return strcmp(lhs, rhs) == 0;
+}
+#if GTEST_HAS_STD_WSTRING || GTEST_HAS_GLOBAL_WSTRING
+// Converts an array of wide chars to a narrow string using the UTF-8
+// encoding, and streams the result to the given Message object.
+static void StreamWideCharsToMessage(const wchar_t* wstr, size_t length,
+Message* msg) {
+// TODO(wan): consider allowing a testing::String object to
+// contain '\0'.  This will make it behave more like std::string,
+// and will allow ToUtf8String() to return the correct encoding
+// for '\0' s.t. we can get rid of the conditional here (and in
+// several other places).
+for (size_t i = 0; i != length; ) {  // NOLINT
+if (wstr[i] != L'\0') {
+*msg << WideStringToUtf8(wstr + i, static_cast<int>(length - i));
+while (i != length && wstr[i] != L'\0')
+i++;
+} else {
+*msg << '\0';
+i++;
+}
+}
+}
+#endif  // GTEST_HAS_STD_WSTRING || GTEST_HAS_GLOBAL_WSTRING
+}  // namespace internal
+#if GTEST_HAS_STD_WSTRING
+// Converts the given wide string to a narrow string using the UTF-8
+// encoding, and streams the result to this Message object.
+Message& Message::operator <<(const ::std::wstring& wstr) {
+internal::StreamWideCharsToMessage(wstr.c_str(), wstr.length(), this);
+return *this;
+}
+#endif  // GTEST_HAS_STD_WSTRING
+#if GTEST_HAS_GLOBAL_WSTRING
+// Converts the given wide string to a narrow string using the UTF-8
+// encoding, and streams the result to this Message object.
+Message& Message::operator <<(const ::wstring& wstr) {
+internal::StreamWideCharsToMessage(wstr.c_str(), wstr.length(), this);
+return *this;
+}
+#endif  // GTEST_HAS_GLOBAL_WSTRING
+// AssertionResult constructors.
+// Used in EXPECT_TRUE/FALSE(assertion_result).
+AssertionResult::AssertionResult(const AssertionResult& other)
+: success_(other.success_),
+message_(other.message_.get() != NULL ?
+new ::std::string(*other.message_) :
+static_cast< ::std::string*>(NULL)) {
+}
+// Returns the assertion's negation. Used with EXPECT/ASSERT_FALSE.
+AssertionResult AssertionResult::operator!() const {
+AssertionResult negation(!success_);
+if (message_.get() != NULL)
+negation << *message_;
+return negation;
+}
+// Makes a successful assertion result.
+AssertionResult AssertionSuccess() {
+return AssertionResult(true);
+}
+// Makes a failed assertion result.
+AssertionResult AssertionFailure() {
+return AssertionResult(false);
+}
+// Makes a failed assertion result with the given failure message.
+// Deprecated; use AssertionFailure() << message.
+AssertionResult AssertionFailure(const Message& message) {
+return AssertionFailure() << message;
+}
+namespace internal {
+// Constructs and returns the message for an equality assertion
+// (e.g. ASSERT_EQ, EXPECT_STREQ, etc) failure.
+//
+// The first four parameters are the expressions used in the assertion
+// and their values, as strings.  For example, for ASSERT_EQ(foo, bar)
+// where foo is 5 and bar is 6, we have:
+//
+//   expected_expression: "foo"
+//   actual_expression:   "bar"
+//   expected_value:      "5"
+//   actual_value:        "6"
+//
+// The ignoring_case parameter is true iff the assertion is a
+// *_STRCASEEQ*.  When it's true, the string " (ignoring case)" will
+// be inserted into the message.
+AssertionResult EqFailure(const char* expected_expression,
+const char* actual_expression,
+const String& expected_value,
+const String& actual_value,
+bool ignoring_case) {
+Message msg;
+msg << "Value of: " << actual_expression;
+if (actual_value != actual_expression) {
+msg << "\n  Actual: " << actual_value;
+}
+msg << "\nExpected: " << expected_expression;
+if (ignoring_case) {
+msg << " (ignoring case)";
+}
+if (expected_value != expected_expression) {
+msg << "\nWhich is: " << expected_value;
+}
+return AssertionFailure() << msg;
+}
+// Constructs and returns the message for an equality assertion
+// (e.g. ASSERT_NE, EXPECT_NE, etc) failure.
+//
+// The first four parameters are the expressions used in the assertion
+// and their values, as strings.  For example, for ASSERT_NE(foo, bar)
+// where foo is 5 and bar is 6, we have:
+//
+//   expected_expression: "foo"
+//   actual_expression:   "bar"
+//   expected_value:      "5"
+//   actual_value:        "6"
+//
+// The ignoring_case parameter is true iff the assertion is a
+// *_STRCASENE*.  When it's true, the string " (ignoring case)" will
+// be inserted into the message.
+AssertionResult NeFailure(const char* expected_expression,
+const char* actual_expression,
+const String& expected_value,
+const String& actual_value,
+bool ignoring_case) {
+Message msg;
+msg << "Value of: " << actual_expression;
+if (actual_value != actual_expression) {
+msg << "\n  Actual: " << actual_value;
+}
+msg << "\nExpected: " << expected_expression;
+if (ignoring_case) {
+msg << " (ignoring case)";
+}
+if (expected_value != expected_expression) {
+msg << "\nWhich is: " << expected_value;
+}
+return AssertionFailure() << msg;
+}
+// Constructs a failure message for Boolean assertions such as EXPECT_TRUE.
+String GetBoolAssertionFailureMessage(const AssertionResult& assertion_result,
+const char* expression_text,
+const char* actual_predicate_value,
+const char* expected_predicate_value) {
+const char* actual_message = assertion_result.message();
+Message msg;
+msg << "Value of: " << expression_text
+<< "\n  Actual: " << actual_predicate_value;
+if (actual_message[0] != '\0')
+msg << " (" << actual_message << ")";
+msg << "\nExpected: " << expected_predicate_value;
+return msg.GetString();
+}
+// Helper function for implementing ASSERT_NEAR.
+AssertionResult DoubleNearPredFormat(const char* expr1,
+const char* expr2,
+const char* abs_error_expr,
+double val1,
+double val2,
+double abs_error) {
+const double diff = fabs(val1 - val2);
+if (diff <= abs_error) return AssertionSuccess();
+// TODO(wan): do not print the value of an expression if it's
+// already a literal.
+return AssertionFailure()
+<< "The difference between " << expr1 << " and " << expr2
+<< " is " << diff << ", which exceeds " << abs_error_expr << ", where\n"
+<< expr1 << " evaluates to " << val1 << ",\n"
+<< expr2 << " evaluates to " << val2 << ", and\n"
+<< abs_error_expr << " evaluates to " << abs_error << ".";
+}
+// Helper template for implementing FloatLE() and DoubleLE().
+template <typename RawType>
+AssertionResult FloatingPointLE(const char* expr1,
+const char* expr2,
+RawType val1,
+RawType val2) {
+// Returns success if val1 is less than val2,
+if (val1 < val2) {
+return AssertionSuccess();
+}
+// or if val1 is almost equal to val2.
+const FloatingPoint<RawType> lhs(val1), rhs(val2);
+if (lhs.AlmostEquals(rhs)) {
+return AssertionSuccess();
+}
+// Note that the above two checks will both fail if either val1 or
+// val2 is NaN, as the IEEE floating-point standard requires that
+// any predicate involving a NaN must return false.
+::std::stringstream val1_ss;
+val1_ss << std::setprecision(std::numeric_limits<RawType>::digits10 + 2)
+<< val1;
+::std::stringstream val2_ss;
+val2_ss << std::setprecision(std::numeric_limits<RawType>::digits10 + 2)
+<< val2;
+return AssertionFailure()
+<< "Expected: (" << expr1 << ") <= (" << expr2 << ")\n"
+<< "  Actual: " << StringStreamToString(&val1_ss) << " vs "
+<< StringStreamToString(&val2_ss);
+}
+}  // namespace internal
+// Asserts that val1 is less than, or almost equal to, val2.  Fails
+// otherwise.  In particular, it fails if either val1 or val2 is NaN.
+AssertionResult FloatLE(const char* expr1, const char* expr2,
+float val1, float val2) {
+return internal::FloatingPointLE<float>(expr1, expr2, val1, val2);
+}
+// Asserts that val1 is less than, or almost equal to, val2.  Fails
+// otherwise.  In particular, it fails if either val1 or val2 is NaN.
+AssertionResult DoubleLE(const char* expr1, const char* expr2,
+double val1, double val2) {
+return internal::FloatingPointLE<double>(expr1, expr2, val1, val2);
+}
+namespace internal {
+// The helper function for {ASSERT|EXPECT}_EQ with int or enum
+// arguments.
+AssertionResult CmpHelperEQ(const char* expected_expression,
+const char* actual_expression,
+BiggestInt expected,
+BiggestInt actual) {
+if (expected == actual) {
+return AssertionSuccess();
+}
+return EqFailure(expected_expression,
+actual_expression,
+FormatForComparisonFailureMessage(expected, actual),
+FormatForComparisonFailureMessage(actual, expected),
+false);
+}
+// A macro for implementing the helper functions needed to implement
+// ASSERT_?? and EXPECT_?? with integer or enum arguments.  It is here
+// just to avoid copy-and-paste of similar code.
+#define GTEST_IMPL_CMP_HELPER_(op_name, op)\
+AssertionResult CmpHelper##op_name(const char* expr1, const char* expr2, \
+BiggestInt val1, BiggestInt val2) {\
+if (val1 op val2) {\
+return AssertionSuccess();\
+} else {\
+return AssertionFailure() \
+<< "Expected: (" << expr1 << ") " #op " (" << expr2\
+<< "), actual: " << FormatForComparisonFailureMessage(val1, val2)\
+<< " vs " << FormatForComparisonFailureMessage(val2, val1);\
+}\
+}
+// Implements the helper function for {ASSERT|EXPECT}_NE with int or
+// enum arguments.
+GTEST_IMPL_CMP_HELPER_(NE, !=)
+// Implements the helper function for {ASSERT|EXPECT}_LE with int or
+// enum arguments.
+GTEST_IMPL_CMP_HELPER_(LE, <=)
+// Implements the helper function for {ASSERT|EXPECT}_LT with int or
+// enum arguments.
+GTEST_IMPL_CMP_HELPER_(LT, < )
+// Implements the helper function for {ASSERT|EXPECT}_GE with int or
+// enum arguments.
+GTEST_IMPL_CMP_HELPER_(GE, >=)
+// Implements the helper function for {ASSERT|EXPECT}_GT with int or
+// enum arguments.
+GTEST_IMPL_CMP_HELPER_(GT, > )
+#undef GTEST_IMPL_CMP_HELPER_
+// The helper function for {ASSERT|EXPECT}_STREQ.
+AssertionResult CmpHelperSTREQ(const char* expected_expression,
+const char* actual_expression,
+const char* expected,
+const char* actual) {
+if (String::CStringEquals(expected, actual)) {
+return AssertionSuccess();
+}
+return EqFailure(expected_expression,
+actual_expression,
+PrintToString(expected),
+PrintToString(actual),
+false);
+}
+// The helper function for {ASSERT|EXPECT}_STRCASEEQ.
+AssertionResult CmpHelperSTRCASEEQ(const char* expected_expression,
+const char* actual_expression,
+const char* expected,
+const char* actual) {
+if (String::CaseInsensitiveCStringEquals(expected, actual)) {
+return AssertionSuccess();
+}
+return EqFailure(expected_expression,
+actual_expression,
+PrintToString(expected),
+PrintToString(actual),
+true);
+}
+// The helper function for {ASSERT|EXPECT}_STRNE.
+AssertionResult CmpHelperSTRNE(const char* s1_expression,
+const char* s2_expression,
+const char* s1,
+const char* s2) {
+if (!String::CStringEquals(s1, s2)) {
+return AssertionSuccess();
+} else {
+return AssertionFailure() << "Expected: (" << s1_expression << ") != ("
+<< s2_expression << "), actual: \""
+<< s1 << "\" vs \"" << s2 << "\"";
+}
+}
+// The helper function for {ASSERT|EXPECT}_STRCASENE.
+AssertionResult CmpHelperSTRCASENE(const char* s1_expression,
+const char* s2_expression,
+const char* s1,
+const char* s2) {
+if (!String::CaseInsensitiveCStringEquals(s1, s2)) {
+return AssertionSuccess();
+} else {
+return AssertionFailure()
+<< "Expected: (" << s1_expression << ") != ("
+<< s2_expression << ") (ignoring case), actual: \""
+<< s1 << "\" vs \"" << s2 << "\"";
+}
+}
+}  // namespace internal
+namespace {
+// Helper functions for implementing IsSubString() and IsNotSubstring().
+// This group of overloaded functions return true iff needle is a
+// substring of haystack.  NULL is considered a substring of itself
+// only.
+bool IsSubstringPred(const char* needle, const char* haystack) {
+if (needle == NULL || haystack == NULL)
+return needle == haystack;
+return strstr(haystack, needle) != NULL;
+}
+bool IsSubstringPred(const wchar_t* needle, const wchar_t* haystack) {
+if (needle == NULL || haystack == NULL)
+return needle == haystack;
+return wcsstr(haystack, needle) != NULL;
+}
+// StringType here can be either ::std::string or ::std::wstring.
+template <typename StringType>
+bool IsSubstringPred(const StringType& needle,
+const StringType& haystack) {
+return haystack.find(needle) != StringType::npos;
+}
+// This function implements either IsSubstring() or IsNotSubstring(),
+// depending on the value of the expected_to_be_substring parameter.
+// StringType here can be const char*, const wchar_t*, ::std::string,
+// or ::std::wstring.
+template <typename StringType>
+AssertionResult IsSubstringImpl(
+bool expected_to_be_substring,
+const char* needle_expr, const char* haystack_expr,
+const StringType& needle, const StringType& haystack) {
+if (IsSubstringPred(needle, haystack) == expected_to_be_substring)
+return AssertionSuccess();
+const bool is_wide_string = sizeof(needle[0]) > 1;
+const char* const begin_string_quote = is_wide_string ? "L\"" : "\"";
+return AssertionFailure()
+<< "Value of: " << needle_expr << "\n"
+<< "  Actual: " << begin_string_quote << needle << "\"\n"
+<< "Expected: " << (expected_to_be_substring ? "" : "not ")
+<< "a substring of " << haystack_expr << "\n"
+<< "Which is: " << begin_string_quote << haystack << "\"";
+}
+}  // namespace
+// IsSubstring() and IsNotSubstring() check whether needle is a
+// substring of haystack (NULL is considered a substring of itself
+// only), and return an appropriate error message when they fail.
+AssertionResult IsSubstring(
+const char* needle_expr, const char* haystack_expr,
+const char* needle, const char* haystack) {
+return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);
+}
+AssertionResult IsSubstring(
+const char* needle_expr, const char* haystack_expr,
+const wchar_t* needle, const wchar_t* haystack) {
+return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);
+}
+AssertionResult IsNotSubstring(
+const char* needle_expr, const char* haystack_expr,
+const char* needle, const char* haystack) {
+return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);
+}
+AssertionResult IsNotSubstring(
+const char* needle_expr, const char* haystack_expr,
+const wchar_t* needle, const wchar_t* haystack) {
+return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);
+}
+AssertionResult IsSubstring(
+const char* needle_expr, const char* haystack_expr,
+const ::std::string& needle, const ::std::string& haystack) {
+return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);
+}
+AssertionResult IsNotSubstring(
+const char* needle_expr, const char* haystack_expr,
+const ::std::string& needle, const ::std::string& haystack) {
+return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);
+}
+#if GTEST_HAS_STD_WSTRING
+AssertionResult IsSubstring(
+const char* needle_expr, const char* haystack_expr,
+const ::std::wstring& needle, const ::std::wstring& haystack) {
+return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);
+}
+AssertionResult IsNotSubstring(
+const char* needle_expr, const char* haystack_expr,
+const ::std::wstring& needle, const ::std::wstring& haystack) {
+return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);
+}
+#endif  // GTEST_HAS_STD_WSTRING
+namespace internal {
+#if GTEST_OS_WINDOWS
+namespace {
+// Helper function for IsHRESULT{SuccessFailure} predicates
+AssertionResult HRESULTFailureHelper(const char* expr,
+const char* expected,
+long hr) {  // NOLINT
+# if GTEST_OS_WINDOWS_MOBILE
+// Windows CE doesn't support FormatMessage.
+const char error_text[] = "";
+# else
+// Looks up the human-readable system message for the HRESULT code
+// and since we're not passing any params to FormatMessage, we don't
+// want inserts expanded.
+const DWORD kFlags = FORMAT_MESSAGE_FROM_SYSTEM |
+FORMAT_MESSAGE_IGNORE_INSERTS;
+const DWORD kBufSize = 4096;  // String::Format can't exceed this length.
+// Gets the system's human readable message string for this HRESULT.
+char error_text[kBufSize] = { '\0' };
+DWORD message_length = ::FormatMessageA(kFlags,
+0,  // no source, we're asking system
+hr,  // the error
+0,  // no line width restrictions
+error_text,  // output buffer
+kBufSize,  // buf size
+NULL);  // no arguments for inserts
+// Trims tailing white space (FormatMessage leaves a trailing cr-lf)
+for (; message_length && IsSpace(error_text[message_length - 1]);
+--message_length) {
+error_text[message_length - 1] = '\0';
+}
+# endif  // GTEST_OS_WINDOWS_MOBILE
+const String error_hex(String::Format("0x%08X ", hr));
+return ::testing::AssertionFailure()
+<< "Expected: " << expr << " " << expected << ".\n"
+<< "  Actual: " << error_hex << error_text << "\n";
+}
+}  // namespace
+AssertionResult IsHRESULTSuccess(const char* expr, long hr) {  // NOLINT
+if (SUCCEEDED(hr)) {
+return AssertionSuccess();
+}
+return HRESULTFailureHelper(expr, "succeeds", hr);
+}
+AssertionResult IsHRESULTFailure(const char* expr, long hr) {  // NOLINT
+if (FAILED(hr)) {
+return AssertionSuccess();
+}
+return HRESULTFailureHelper(expr, "fails", hr);
+}
+#endif  // GTEST_OS_WINDOWS
+// Utility functions for encoding Unicode text (wide strings) in
+// UTF-8.
+// A Unicode code-point can have upto 21 bits, and is encoded in UTF-8
+// like this:
+//
+// Code-point length   Encoding
+//   0 -  7 bits       0xxxxxxx
+//   8 - 11 bits       110xxxxx 10xxxxxx
+//  12 - 16 bits       1110xxxx 10xxxxxx 10xxxxxx
+//  17 - 21 bits       11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
+// The maximum code-point a one-byte UTF-8 sequence can represent.
+const UInt32 kMaxCodePoint1 = (static_cast<UInt32>(1) <<  7) - 1;
+// The maximum code-point a two-byte UTF-8 sequence can represent.
+const UInt32 kMaxCodePoint2 = (static_cast<UInt32>(1) << (5 + 6)) - 1;
+// The maximum code-point a three-byte UTF-8 sequence can represent.
+const UInt32 kMaxCodePoint3 = (static_cast<UInt32>(1) << (4 + 2*6)) - 1;
+// The maximum code-point a four-byte UTF-8 sequence can represent.
+const UInt32 kMaxCodePoint4 = (static_cast<UInt32>(1) << (3 + 3*6)) - 1;
+// Chops off the n lowest bits from a bit pattern.  Returns the n
+// lowest bits.  As a side effect, the original bit pattern will be
+// shifted to the right by n bits.
+inline UInt32 ChopLowBits(UInt32* bits, int n) {
+const UInt32 low_bits = *bits & ((static_cast<UInt32>(1) << n) - 1);
+*bits >>= n;
+return low_bits;
+}
+// Converts a Unicode code point to a narrow string in UTF-8 encoding.
+// code_point parameter is of type UInt32 because wchar_t may not be
+// wide enough to contain a code point.
+// The output buffer str must containt at least 32 characters.
+// The function returns the address of the output buffer.
+// If the code_point is not a valid Unicode code point
+// (i.e. outside of Unicode range U+0 to U+10FFFF) it will be output
+// as '(Invalid Unicode 0xXXXXXXXX)'.
+char* CodePointToUtf8(UInt32 code_point, char* str) {
+if (code_point <= kMaxCodePoint1) {
+str[1] = '\0';
+str[0] = static_cast<char>(code_point);                          // 0xxxxxxx
+} else if (code_point <= kMaxCodePoint2) {
+str[2] = '\0';
+str[1] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6));  // 10xxxxxx
+str[0] = static_cast<char>(0xC0 | code_point);                   // 110xxxxx
+} else if (code_point <= kMaxCodePoint3) {
+str[3] = '\0';
+str[2] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6));  // 10xxxxxx
+str[1] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6));  // 10xxxxxx
+str[0] = static_cast<char>(0xE0 | code_point);                   // 1110xxxx
+} else if (code_point <= kMaxCodePoint4) {
+str[4] = '\0';
+str[3] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6));  // 10xxxxxx
+str[2] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6));  // 10xxxxxx
+str[1] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6));  // 10xxxxxx
+str[0] = static_cast<char>(0xF0 | code_point);                   // 11110xxx
+} else {
+// The longest string String::Format can produce when invoked
+// with these parameters is 28 character long (not including
+// the terminating nul character). We are asking for 32 character
+// buffer just in case. This is also enough for strncpy to
+// null-terminate the destination string.
+posix::StrNCpy(
+str, String::Format("(Invalid Unicode 0x%X)", code_point).c_str(), 32);
+str[31] = '\0';  // Makes sure no change in the format to strncpy leaves
+// the result unterminated.
+}
+return str;
+}
+// The following two functions only make sense if the the system
+// uses UTF-16 for wide string encoding. All supported systems
+// with 16 bit wchar_t (Windows, Cygwin, Symbian OS) do use UTF-16.
+// Determines if the arguments constitute UTF-16 surrogate pair
+// and thus should be combined into a single Unicode code point
+// using CreateCodePointFromUtf16SurrogatePair.
+inline bool IsUtf16SurrogatePair(wchar_t first, wchar_t second) {
+return sizeof(wchar_t) == 2 &&
+(first & 0xFC00) == 0xD800 && (second & 0xFC00) == 0xDC00;
+}
+// Creates a Unicode code point from UTF16 surrogate pair.
+inline UInt32 CreateCodePointFromUtf16SurrogatePair(wchar_t first,
+wchar_t second) {
+const UInt32 mask = (1 << 10) - 1;
+return (sizeof(wchar_t) == 2) ?
+(((first & mask) << 10) | (second & mask)) + 0x10000 :
+// This function should not be called when the condition is
+// false, but we provide a sensible default in case it is.
+static_cast<UInt32>(first);
+}
+// Converts a wide string to a narrow string in UTF-8 encoding.
+// The wide string is assumed to have the following encoding:
+//   UTF-16 if sizeof(wchar_t) == 2 (on Windows, Cygwin, Symbian OS)
+//   UTF-32 if sizeof(wchar_t) == 4 (on Linux)
+// Parameter str points to a null-terminated wide string.
+// Parameter num_chars may additionally limit the number
+// of wchar_t characters processed. -1 is used when the entire string
+// should be processed.
+// If the string contains code points that are not valid Unicode code points
+// (i.e. outside of Unicode range U+0 to U+10FFFF) they will be output
+// as '(Invalid Unicode 0xXXXXXXXX)'. If the string is in UTF16 encoding
+// and contains invalid UTF-16 surrogate pairs, values in those pairs
+// will be encoded as individual Unicode characters from Basic Normal Plane.
+String WideStringToUtf8(const wchar_t* str, int num_chars) {
+if (num_chars == -1)
+num_chars = static_cast<int>(wcslen(str));
+::std::stringstream stream;
+for (int i = 0; i < num_chars; ++i) {
+UInt32 unicode_code_point;
+if (str[i] == L'\0') {
+break;
+} else if (i + 1 < num_chars && IsUtf16SurrogatePair(str[i], str[i + 1])) {
+unicode_code_point = CreateCodePointFromUtf16SurrogatePair(str[i],
+str[i + 1]);
+i++;
+} else {
+unicode_code_point = static_cast<UInt32>(str[i]);
+}
+char buffer[32];  // CodePointToUtf8 requires a buffer this big.
+stream << CodePointToUtf8(unicode_code_point, buffer);
+}
+return StringStreamToString(&stream);
+}
+// Converts a wide C string to a String using the UTF-8 encoding.
+// NULL will be converted to "(null)".
+String String::ShowWideCString(const wchar_t * wide_c_str) {
+if (wide_c_str == NULL) return String("(null)");
+return String(internal::WideStringToUtf8(wide_c_str, -1).c_str());
+}
+// Compares two wide C strings.  Returns true iff they have the same
+// content.
+//
+// Unlike wcscmp(), this function can handle NULL argument(s).  A NULL
+// C string is considered different to any non-NULL C string,
+// including the empty string.
+bool String::WideCStringEquals(const wchar_t * lhs, const wchar_t * rhs) {
+if (lhs == NULL) return rhs == NULL;
+if (rhs == NULL) return false;
+return wcscmp(lhs, rhs) == 0;
+}
+// Helper function for *_STREQ on wide strings.
+AssertionResult CmpHelperSTREQ(const char* expected_expression,
+const char* actual_expression,
+const wchar_t* expected,
+const wchar_t* actual) {
+if (String::WideCStringEquals(expected, actual)) {
+return AssertionSuccess();
+}
+return EqFailure(expected_expression,
+actual_expression,
+PrintToString(expected),
+PrintToString(actual),
+false);
+}
+// Helper function for *_STRNE on wide strings.
+AssertionResult CmpHelperSTRNE(const char* s1_expression,
+const char* s2_expression,
+const wchar_t* s1,
+const wchar_t* s2) {
+if (!String::WideCStringEquals(s1, s2)) {
+return AssertionSuccess();
+}
+return AssertionFailure() << "Expected: (" << s1_expression << ") != ("
+<< s2_expression << "), actual: "
+<< PrintToString(s1)
+<< " vs " << PrintToString(s2);
+}
+// Compares two C strings, ignoring case.  Returns true iff they have
+// the same content.
+//
+// Unlike strcasecmp(), this function can handle NULL argument(s).  A
+// NULL C string is considered different to any non-NULL C string,
+// including the empty string.
+bool String::CaseInsensitiveCStringEquals(const char * lhs, const char * rhs) {
+if (lhs == NULL)
+return rhs == NULL;
+if (rhs == NULL)
+return false;
+return posix::StrCaseCmp(lhs, rhs) == 0;
+}
+// Compares two wide C strings, ignoring case.  Returns true iff they
+// have the same content.
+//
+// Unlike wcscasecmp(), this function can handle NULL argument(s).
+// A NULL C string is considered different to any non-NULL wide C string,
+// including the empty string.
+// NB: The implementations on different platforms slightly differ.
+// On windows, this method uses _wcsicmp which compares according to LC_CTYPE
+// environment variable. On GNU platform this method uses wcscasecmp
+// which compares according to LC_CTYPE category of the current locale.
+// On MacOS X, it uses towlower, which also uses LC_CTYPE category of the
+// current locale.
+bool String::CaseInsensitiveWideCStringEquals(const wchar_t* lhs,
+const wchar_t* rhs) {
+if (lhs == NULL) return rhs == NULL;
+if (rhs == NULL) return false;
+#if GTEST_OS_WINDOWS
+return _wcsicmp(lhs, rhs) == 0;
+#elif GTEST_OS_LINUX && !GTEST_OS_LINUX_ANDROID
+return wcscasecmp(lhs, rhs) == 0;
+#else
+// Android, Mac OS X and Cygwin don't define wcscasecmp.
+// Other unknown OSes may not define it either.
+wint_t left, right;
+do {
+left = towlower(*lhs++);
+right = towlower(*rhs++);
+} while (left && left == right);
+return left == right;
+#endif  // OS selector
+}
+// Compares this with another String.
+// Returns < 0 if this is less than rhs, 0 if this is equal to rhs, or > 0
+// if this is greater than rhs.
+int String::Compare(const String & rhs) const {
+const char* const lhs_c_str = c_str();
+const char* const rhs_c_str = rhs.c_str();
+if (lhs_c_str == NULL) {
+return rhs_c_str == NULL ? 0 : -1;  // NULL < anything except NULL
+} else if (rhs_c_str == NULL) {
+return 1;
+}
+const size_t shorter_str_len =
+length() <= rhs.length() ? length() : rhs.length();
+for (size_t i = 0; i != shorter_str_len; i++) {
+if (lhs_c_str[i] < rhs_c_str[i]) {
+return -1;
+} else if (lhs_c_str[i] > rhs_c_str[i]) {
+return 1;
+}
+}
+return (length() < rhs.length()) ? -1 :
+(length() > rhs.length()) ? 1 : 0;
+}
+// Returns true iff this String ends with the given suffix.  *Any*
+// String is considered to end with a NULL or empty suffix.
+bool String::EndsWith(const char* suffix) const {
+if (suffix == NULL || CStringEquals(suffix, "")) return true;
+if (c_str() == NULL) return false;
+const size_t this_len = strlen(c_str());
+const size_t suffix_len = strlen(suffix);
+return (this_len >= suffix_len) &&
+CStringEquals(c_str() + this_len - suffix_len, suffix);
+}
+// Returns true iff this String ends with the given suffix, ignoring case.
+// Any String is considered to end with a NULL or empty suffix.
+bool String::EndsWithCaseInsensitive(const char* suffix) const {
+if (suffix == NULL || CStringEquals(suffix, "")) return true;
+if (c_str() == NULL) return false;
+const size_t this_len = strlen(c_str());
+const size_t suffix_len = strlen(suffix);
+return (this_len >= suffix_len) &&
+CaseInsensitiveCStringEquals(c_str() + this_len - suffix_len, suffix);
+}
+// Formats a list of arguments to a String, using the same format
+// spec string as for printf.
+//
+// We do not use the StringPrintf class as it is not universally
+// available.
+//
+// The result is limited to 4096 characters (including the tailing 0).
+// If 4096 characters are not enough to format the input, or if
+// there's an error, "<formatting error or buffer exceeded>" is
+// returned.
+String String::Format(const char * format, ...) {
+va_list args;
+va_start(args, format);
+char buffer[4096];
+const int kBufferSize = sizeof(buffer)/sizeof(buffer[0]);
+// MSVC 8 deprecates vsnprintf(), so we want to suppress warning
+// 4996 (deprecated function) there.
+#ifdef _MSC_VER  // We are using MSVC.
+# pragma warning(push)          // Saves the current warning state.
+# pragma warning(disable:4996)  // Temporarily disables warning 4996.
+const int size = vsnprintf(buffer, kBufferSize, format, args);
+# pragma warning(pop)           // Restores the warning state.
+#else  // We are not using MSVC.
+const int size = vsnprintf(buffer, kBufferSize, format, args);
+#endif  // _MSC_VER
+va_end(args);
+// vsnprintf()'s behavior is not portable.  When the buffer is not
+// big enough, it returns a negative value in MSVC, and returns the
+// needed buffer size on Linux.  When there is an output error, it
+// always returns a negative value.  For simplicity, we lump the two
+// error cases together.
+if (size < 0 || size >= kBufferSize) {
+return String("<formatting error or buffer exceeded>");
+} else {
+return String(buffer, size);
+}
+}
+// Converts the buffer in a stringstream to a String, converting NUL
+// bytes to "\\0" along the way.
+String StringStreamToString(::std::stringstream* ss) {
+const ::std::string& str = ss->str();
+const char* const start = str.c_str();
+const char* const end = start + str.length();
+// We need to use a helper stringstream to do this transformation
+// because String doesn't support push_back().
+::std::stringstream helper;
+for (const char* ch = start; ch != end; ++ch) {
+if (*ch == '\0') {
+helper << "\\0";  // Replaces NUL with "\\0";
+} else {
+helper.put(*ch);
+}
+}
+return String(helper.str().c_str());
+}
+// Appends the user-supplied message to the Google-Test-generated message.
+String AppendUserMessage(const String& gtest_msg,
+const Message& user_msg) {
+// Appends the user message if it's non-empty.
+const String user_msg_string = user_msg.GetString();
+if (user_msg_string.empty()) {
+return gtest_msg;
+}
+Message msg;
+msg << gtest_msg << "\n" << user_msg_string;
+return msg.GetString();
+}
+}  // namespace internal
+// class TestResult
+// Creates an empty TestResult.
+TestResult::TestResult()
+: death_test_count_(0),
+elapsed_time_(0) {
+}
+// D'tor.
+TestResult::~TestResult() {
+}
+// Returns the i-th test part result among all the results. i can
+// range from 0 to total_part_count() - 1. If i is not in that range,
+// aborts the program.
+const TestPartResult& TestResult::GetTestPartResult(int i) const {
+if (i < 0 || i >= total_part_count())
+internal::posix::Abort();
+return test_part_results_.at(i);
+}
+// Returns the i-th test property. i can range from 0 to
+// test_property_count() - 1. If i is not in that range, aborts the
+// program.
+const TestProperty& TestResult::GetTestProperty(int i) const {
+if (i < 0 || i >= test_property_count())
+internal::posix::Abort();
+return test_properties_.at(i);
+}
+// Clears the test part results.
+void TestResult::ClearTestPartResults() {
+test_part_results_.clear();
+}
+// Adds a test part result to the list.
+void TestResult::AddTestPartResult(const TestPartResult& test_part_result) {
+test_part_results_.push_back(test_part_result);
+}
+// Adds a test property to the list. If a property with the same key as the
+// supplied property is already represented, the value of this test_property
+// replaces the old value for that key.
+void TestResult::RecordProperty(const TestProperty& test_property) {
+if (!ValidateTestProperty(test_property)) {
+return;
+}
+internal::MutexLock lock(&test_properites_mutex_);
+const std::vector<TestProperty>::iterator property_with_matching_key =
+std::find_if(test_properties_.begin(), test_properties_.end(),
+internal::TestPropertyKeyIs(test_property.key()));
+if (property_with_matching_key == test_properties_.end()) {
+test_properties_.push_back(test_property);
+return;
+}
+property_with_matching_key->SetValue(test_property.value());
+}
+// Adds a failure if the key is a reserved attribute of Google Test
+// testcase tags.  Returns true if the property is valid.
+bool TestResult::ValidateTestProperty(const TestProperty& test_property) {
+internal::String key(test_property.key());
+if (key == "name" || key == "status" || key == "time" || key == "classname") {
+ADD_FAILURE()
+<< "Reserved key used in RecordProperty(): "
+<< key
+<< " ('name', 'status', 'time', and 'classname' are reserved by "
+<< GTEST_NAME_ << ")";
+return false;
+}
+return true;
+}
+// Clears the object.
+void TestResult::Clear() {
+test_part_results_.clear();
+test_properties_.clear();
+death_test_count_ = 0;
+elapsed_time_ = 0;
+}
+// Returns true iff the test failed.
+bool TestResult::Failed() const {
+for (int i = 0; i < total_part_count(); ++i) {
+if (GetTestPartResult(i).failed())
+return true;
+}
+return false;
+}
+// Returns true iff the test part fatally failed.
+static bool TestPartFatallyFailed(const TestPartResult& result) {
+return result.fatally_failed();
+}
+// Returns true iff the test fatally failed.
+bool TestResult::HasFatalFailure() const {
+return CountIf(test_part_results_, TestPartFatallyFailed) > 0;
+}
+// Returns true iff the test part non-fatally failed.
+static bool TestPartNonfatallyFailed(const TestPartResult& result) {
+return result.nonfatally_failed();
+}
+// Returns true iff the test has a non-fatal failure.
+bool TestResult::HasNonfatalFailure() const {
+return CountIf(test_part_results_, TestPartNonfatallyFailed) > 0;
+}
+// Gets the number of all test parts.  This is the sum of the number
+// of successful test parts and the number of failed test parts.
+int TestResult::total_part_count() const {
+return static_cast<int>(test_part_results_.size());
+}
+// Returns the number of the test properties.
+int TestResult::test_property_count() const {
+return static_cast<int>(test_properties_.size());
+}
+// class Test
+// Creates a Test object.
+// The c'tor saves the values of all Google Test flags.
+Test::Test()
+: gtest_flag_saver_(new internal::GTestFlagSaver) {
+}
+// The d'tor restores the values of all Google Test flags.
+Test::~Test() {
+delete gtest_flag_saver_;
+}
+// Sets up the test fixture.
+//
+// A sub-class may override this.
+void Test::SetUp() {
+}
+// Tears down the test fixture.
+//
+// A sub-class may override this.
+void Test::TearDown() {
+}
+// Allows user supplied key value pairs to be recorded for later output.
+void Test::RecordProperty(const char* key, const char* value) {
+UnitTest::GetInstance()->RecordPropertyForCurrentTest(key, value);
+}
+// Allows user supplied key value pairs to be recorded for later output.
+void Test::RecordProperty(const char* key, int value) {
+Message value_message;
+value_message << value;
+RecordProperty(key, value_message.GetString().c_str());
+}
+namespace internal {
+void ReportFailureInUnknownLocation(TestPartResult::Type result_type,
+const String& message) {
+// This function is a friend of UnitTest and as such has access to
+// AddTestPartResult.
+UnitTest::GetInstance()->AddTestPartResult(
+result_type,
+NULL,  // No info about the source file where the exception occurred.
+-1,    // We have no info on which line caused the exception.
+message,
+String());  // No stack trace, either.
+}
+}  // namespace internal
+// Google Test requires all tests in the same test case to use the same test
+// fixture class.  This function checks if the current test has the
+// same fixture class as the first test in the current test case.  If
+// yes, it returns true; otherwise it generates a Google Test failure and
+// returns false.
+bool Test::HasSameFixtureClass() {
+internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
+const TestCase* const test_case = impl->current_test_case();
+// Info about the first test in the current test case.
+const TestInfo* const first_test_info = test_case->test_info_list()[0];
+const internal::TypeId first_fixture_id = first_test_info->fixture_class_id_;
+const char* const first_test_name = first_test_info->name();
+// Info about the current test.
+const TestInfo* const this_test_info = impl->current_test_info();
+const internal::TypeId this_fixture_id = this_test_info->fixture_class_id_;
+const char* const this_test_name = this_test_info->name();
+if (this_fixture_id != first_fixture_id) {
+// Is the first test defined using TEST?
+const bool first_is_TEST = first_fixture_id == internal::GetTestTypeId();
+// Is this test defined using TEST?
+const bool this_is_TEST = this_fixture_id == internal::GetTestTypeId();
+if (first_is_TEST || this_is_TEST) {
+// The user mixed TEST and TEST_F in this test case - we'll tell
+// him/her how to fix it.
+// Gets the name of the TEST and the name of the TEST_F.  Note
+// that first_is_TEST and this_is_TEST cannot both be true, as
+// the fixture IDs are different for the two tests.
+const char* const TEST_name =
+first_is_TEST ? first_test_name : this_test_name;
+const char* const TEST_F_name =
+first_is_TEST ? this_test_name : first_test_name;
+ADD_FAILURE()
+<< "All tests in the same test case must use the same test fixture\n"
+<< "class, so mixing TEST_F and TEST in the same test case is\n"
+<< "illegal.  In test case " << this_test_info->test_case_name()
+<< ",\n"
+<< "test " << TEST_F_name << " is defined using TEST_F but\n"
+<< "test " << TEST_name << " is defined using TEST.  You probably\n"
+<< "want to change the TEST to TEST_F or move it to another test\n"
+<< "case.";
+} else {
+// The user defined two fixture classes with the same name in
+// two namespaces - we'll tell him/her how to fix it.
+ADD_FAILURE()
+<< "All tests in the same test case must use the same test fixture\n"
+<< "class.  However, in test case "
+<< this_test_info->test_case_name() << ",\n"
+<< "you defined test " << first_test_name
+<< " and test " << this_test_name << "\n"
+<< "using two different test fixture classes.  This can happen if\n"
+<< "the two classes are from different namespaces or translation\n"
+<< "units and have the same name.  You should probably rename one\n"
+<< "of the classes to put the tests into different test cases.";
+}
+return false;
+}
+return true;
+}
+#if GTEST_HAS_SEH
+// Adds an "exception thrown" fatal failure to the current test.  This
+// function returns its result via an output parameter pointer because VC++
+// prohibits creation of objects with destructors on stack in functions
+// using __try (see error C2712).
+static internal::String* FormatSehExceptionMessage(DWORD exception_code,
+const char* location) {
+Message message;
+message << "SEH exception with code 0x" << std::setbase(16) <<
+exception_code << std::setbase(10) << " thrown in " << location << ".";
+return new internal::String(message.GetString());
+}
+#endif  // GTEST_HAS_SEH
+#if GTEST_HAS_EXCEPTIONS
+// Adds an "exception thrown" fatal failure to the current test.
+static internal::String FormatCxxExceptionMessage(const char* description,
+const char* location) {
+Message message;
+if (description != NULL) {
+message << "C++ exception with description \"" << description << "\"";
+} else {
+message << "Unknown C++ exception";
+}
+message << " thrown in " << location << ".";
+return message.GetString();
+}
+static internal::String PrintTestPartResultToString(
+const TestPartResult& test_part_result);
+// A failed Google Test assertion will throw an exception of this type when
+// GTEST_FLAG(throw_on_failure) is true (if exceptions are enabled).  We
+// derive it from std::runtime_error, which is for errors presumably
+// detectable only at run time.  Since std::runtime_error inherits from
+// std::exception, many testing frameworks know how to extract and print the
+// message inside it.
+class GoogleTestFailureException : public ::std::runtime_error {
+public:
+explicit GoogleTestFailureException(const TestPartResult& failure)
+: ::std::runtime_error(PrintTestPartResultToString(failure).c_str()) {}
+};
+#endif  // GTEST_HAS_EXCEPTIONS
+namespace internal {
+// We put these helper functions in the internal namespace as IBM's xlC
+// compiler rejects the code if they were declared static.
+// Runs the given method and handles SEH exceptions it throws, when
+// SEH is supported; returns the 0-value for type Result in case of an
+// SEH exception.  (Microsoft compilers cannot handle SEH and C++
+// exceptions in the same function.  Therefore, we provide a separate
+// wrapper function for handling SEH exceptions.)
+template <class T, typename Result>
+Result HandleSehExceptionsInMethodIfSupported(
+T* object, Result (T::*method)(), const char* location) {
+#if GTEST_HAS_SEH
+__try {
+return (object->*method)();
+} __except (internal::UnitTestOptions::GTestShouldProcessSEH(  // NOLINT
+GetExceptionCode())) {
+// We create the exception message on the heap because VC++ prohibits
+// creation of objects with destructors on stack in functions using __try
+// (see error C2712).
+internal::String* exception_message = FormatSehExceptionMessage(
+GetExceptionCode(), location);
+internal::ReportFailureInUnknownLocation(TestPartResult::kFatalFailure,
+*exception_message);
+delete exception_message;
+return static_cast<Result>(0);
+}
+#else
+(void)location;
+return (object->*method)();
+#endif  // GTEST_HAS_SEH
+}
+// Runs the given method and catches and reports C++ and/or SEH-style
+// exceptions, if they are supported; returns the 0-value for type
+// Result in case of an SEH exception.
+template <class T, typename Result>
+Result HandleExceptionsInMethodIfSupported(
+T* object, Result (T::*method)(), const char* location) {
+// NOTE: The user code can affect the way in which Google Test handles
+// exceptions by setting GTEST_FLAG(catch_exceptions), but only before
+// RUN_ALL_TESTS() starts. It is technically possible to check the flag
+// after the exception is caught and either report or re-throw the
+// exception based on the flag's value:
+//
+// try {
+//   // Perform the test method.
+// } catch (...) {
+//   if (GTEST_FLAG(catch_exceptions))
+//     // Report the exception as failure.
+//   else
+//     throw;  // Re-throws the original exception.
+// }
+//
+// However, the purpose of this flag is to allow the program to drop into
+// the debugger when the exception is thrown. On most platforms, once the
+// control enters the catch block, the exception origin information is
+// lost and the debugger will stop the program at the point of the
+// re-throw in this function -- instead of at the point of the original
+// throw statement in the code under test.  For this reason, we perform
+// the check early, sacrificing the ability to affect Google Test's
+// exception handling in the method where the exception is thrown.
+if (internal::GetUnitTestImpl()->catch_exceptions()) {
+#if GTEST_HAS_EXCEPTIONS
+try {
+return HandleSehExceptionsInMethodIfSupported(object, method, location);
+} catch (const GoogleTestFailureException&) {  // NOLINT
+// This exception doesn't originate in code under test. It makes no
+// sense to report it as a test failure.
+throw;
+} catch (const std::exception& e) {  // NOLINT
+internal::ReportFailureInUnknownLocation(
+TestPartResult::kFatalFailure,
+FormatCxxExceptionMessage(e.what(), location));
+} catch (...) {  // NOLINT
+internal::ReportFailureInUnknownLocation(
+TestPartResult::kFatalFailure,
+FormatCxxExceptionMessage(NULL, location));
+}
+return static_cast<Result>(0);
+#else
+return HandleSehExceptionsInMethodIfSupported(object, method, location);
+#endif  // GTEST_HAS_EXCEPTIONS
+} else {
+return (object->*method)();
+}
+}
+}  // namespace internal
+// Runs the test and updates the test result.
+void Test::Run() {
+if (!HasSameFixtureClass()) return;
+internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
+impl->os_stack_trace_getter()->UponLeavingGTest();
+internal::HandleExceptionsInMethodIfSupported(this, &Test::SetUp, "SetUp()");
+// We will run the test only if SetUp() was successful.
+if (!HasFatalFailure()) {
+impl->os_stack_trace_getter()->UponLeavingGTest();
+internal::HandleExceptionsInMethodIfSupported(
+this, &Test::TestBody, "the test body");
+}
+// However, we want to clean up as much as possible.  Hence we will
+// always call TearDown(), even if SetUp() or the test body has
+// failed.
+impl->os_stack_trace_getter()->UponLeavingGTest();
+internal::HandleExceptionsInMethodIfSupported(
+this, &Test::TearDown, "TearDown()");
+}
+// Returns true iff the current test has a fatal failure.
+bool Test::HasFatalFailure() {
+return internal::GetUnitTestImpl()->current_test_result()->HasFatalFailure();
+}
+// Returns true iff the current test has a non-fatal failure.
+bool Test::HasNonfatalFailure() {
+return internal::GetUnitTestImpl()->current_test_result()->
+HasNonfatalFailure();
+}
+// class TestInfo
+// Constructs a TestInfo object. It assumes ownership of the test factory
+// object.
+// TODO(vladl@google.com): Make a_test_case_name and a_name const string&'s
+// to signify they cannot be NULLs.
+TestInfo::TestInfo(const char* a_test_case_name,
+const char* a_name,
+const char* a_type_param,
+const char* a_value_param,
+internal::TypeId fixture_class_id,
+internal::TestFactoryBase* factory)
+: test_case_name_(a_test_case_name),
+name_(a_name),
+type_param_(a_type_param ? new std::string(a_type_param) : NULL),
+value_param_(a_value_param ? new std::string(a_value_param) : NULL),
+fixture_class_id_(fixture_class_id),
+should_run_(false),
+is_disabled_(false),
+matches_filter_(false),
+factory_(factory),
+result_() {}
+// Destructs a TestInfo object.
+TestInfo::~TestInfo() { delete factory_; }
+namespace internal {
+// Creates a new TestInfo object and registers it with Google Test;
+// returns the created object.
+//
+// Arguments:
+//
+//   test_case_name:   name of the test case
+//   name:             name of the test
+//   type_param:       the name of the test's type parameter, or NULL if
+//                     this is not a typed or a type-parameterized test.
+//   value_param:      text representation of the test's value parameter,
+//                     or NULL if this is not a value-parameterized test.
+//   fixture_class_id: ID of the test fixture class
+//   set_up_tc:        pointer to the function that sets up the test case
+//   tear_down_tc:     pointer to the function that tears down the test case
+//   factory:          pointer to the factory that creates a test object.
+//                     The newly created TestInfo instance will assume
+//                     ownership of the factory object.
+TestInfo* MakeAndRegisterTestInfo(
+const char* test_case_name, const char* name,
+const char* type_param,
+const char* value_param,
+TypeId fixture_class_id,
+SetUpTestCaseFunc set_up_tc,
+TearDownTestCaseFunc tear_down_tc,
+TestFactoryBase* factory) {
+TestInfo* const test_info =
+new TestInfo(test_case_name, name, type_param, value_param,
+fixture_class_id, factory);
+GetUnitTestImpl()->AddTestInfo(set_up_tc, tear_down_tc, test_info);
+return test_info;
+}
+#if GTEST_HAS_PARAM_TEST
+void ReportInvalidTestCaseType(const char* test_case_name,
+const char* file, int line) {
+Message errors;
+errors
+<< "Attempted redefinition of test case " << test_case_name << ".\n"
+<< "All tests in the same test case must use the same test fixture\n"
+<< "class.  However, in test case " << test_case_name << ", you tried\n"
+<< "to define a test using a fixture class different from the one\n"
+<< "used earlier. This can happen if the two fixture classes are\n"
+<< "from different namespaces and have the same name. You should\n"
+<< "probably rename one of the classes to put the tests into different\n"
+<< "test cases.";
+fprintf(stderr, "%s %s", FormatFileLocation(file, line).c_str(),
+errors.GetString().c_str());
+}
+#endif  // GTEST_HAS_PARAM_TEST
+}  // namespace internal
+namespace {
+// A predicate that checks the test name of a TestInfo against a known
+// value.
+//
+// This is used for implementation of the TestCase class only.  We put
+// it in the anonymous namespace to prevent polluting the outer
+// namespace.
+//
+// TestNameIs is copyable.
+class TestNameIs {
+public:
+// Constructor.
+//
+// TestNameIs has NO default constructor.
+explicit TestNameIs(const char* name)
+: name_(name) {}
+// Returns true iff the test name of test_info matches name_.
+bool operator()(const TestInfo * test_info) const {
+return test_info && internal::String(test_info->name()).Compare(name_) == 0;
+}
+private:
+internal::String name_;
+};
+}  // namespace
+namespace internal {
+// This method expands all parameterized tests registered with macros TEST_P
+// and INSTANTIATE_TEST_CASE_P into regular tests and registers those.
+// This will be done just once during the program runtime.
+void UnitTestImpl::RegisterParameterizedTests() {
+#if GTEST_HAS_PARAM_TEST
+if (!parameterized_tests_registered_) {
+parameterized_test_registry_.RegisterTests();
+parameterized_tests_registered_ = true;
+}
+#endif
+}
+}  // namespace internal
+// Creates the test object, runs it, records its result, and then
+// deletes it.
+void TestInfo::Run() {
+if (!should_run_) return;
+// Tells UnitTest where to store test result.
+internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
+impl->set_current_test_info(this);
+TestEventListener* repeater = UnitTest::GetInstance()->listeners().repeater();
+// Notifies the unit test event listeners that a test is about to start.
+repeater->OnTestStart(*this);
+const TimeInMillis start = internal::GetTimeInMillis();
+impl->os_stack_trace_getter()->UponLeavingGTest();
+// Creates the test object.
+Test* const test = internal::HandleExceptionsInMethodIfSupported(
+factory_, &internal::TestFactoryBase::CreateTest,
+"the test fixture's constructor");
+// Runs the test only if the test object was created and its
+// constructor didn't generate a fatal failure.
+if ((test != NULL) && !Test::HasFatalFailure()) {
+// This doesn't throw as all user code that can throw are wrapped into
+// exception handling code.
+test->Run();
+}
+// Deletes the test object.
+impl->os_stack_trace_getter()->UponLeavingGTest();
+internal::HandleExceptionsInMethodIfSupported(
+test, &Test::DeleteSelf_, "the test fixture's destructor");
+result_.set_elapsed_time(internal::GetTimeInMillis() - start);
+// Notifies the unit test event listener that a test has just finished.
+repeater->OnTestEnd(*this);
+// Tells UnitTest to stop associating assertion results to this
+// test.
+impl->set_current_test_info(NULL);
+}
+// class TestCase
+// Gets the number of successful tests in this test case.
+int TestCase::successful_test_count() const {
+return CountIf(test_info_list_, TestPassed);
+}
+// Gets the number of failed tests in this test case.
+int TestCase::failed_test_count() const {
+return CountIf(test_info_list_, TestFailed);
+}
+int TestCase::disabled_test_count() const {
+return CountIf(test_info_list_, TestDisabled);
+}
+// Get the number of tests in this test case that should run.
+int TestCase::test_to_run_count() const {
+return CountIf(test_info_list_, ShouldRunTest);
+}
+// Gets the number of all tests.
+int TestCase::total_test_count() const {
+return static_cast<int>(test_info_list_.size());
+}
+// Creates a TestCase with the given name.
+//
+// Arguments:
+//
+//   name:         name of the test case
+//   a_type_param: the name of the test case's type parameter, or NULL if
+//                 this is not a typed or a type-parameterized test case.
+//   set_up_tc:    pointer to the function that sets up the test case
+//   tear_down_tc: pointer to the function that tears down the test case
+TestCase::TestCase(const char* a_name, const char* a_type_param,
+Test::SetUpTestCaseFunc set_up_tc,
+Test::TearDownTestCaseFunc tear_down_tc)
+: name_(a_name),
+type_param_(a_type_param ? new std::string(a_type_param) : NULL),
+set_up_tc_(set_up_tc),
+tear_down_tc_(tear_down_tc),
+should_run_(false),
+elapsed_time_(0) {
+}
+// Destructor of TestCase.
+TestCase::~TestCase() {
+// Deletes every Test in the collection.
+ForEach(test_info_list_, internal::Delete<TestInfo>);
+}
+// Returns the i-th test among all the tests. i can range from 0 to
+// total_test_count() - 1. If i is not in that range, returns NULL.
+const TestInfo* TestCase::GetTestInfo(int i) const {
+const int index = GetElementOr(test_indices_, i, -1);
+return index < 0 ? NULL : test_info_list_[index];
+}
+// Returns the i-th test among all the tests. i can range from 0 to
+// total_test_count() - 1. If i is not in that range, returns NULL.
+TestInfo* TestCase::GetMutableTestInfo(int i) {
+const int index = GetElementOr(test_indices_, i, -1);
+return index < 0 ? NULL : test_info_list_[index];
+}
+// Adds a test to this test case.  Will delete the test upon
+// destruction of the TestCase object.
+void TestCase::AddTestInfo(TestInfo * test_info) {
+test_info_list_.push_back(test_info);
+test_indices_.push_back(static_cast<int>(test_indices_.size()));
+}
+// Runs every test in this TestCase.
+void TestCase::Run() {
+if (!should_run_) return;
+internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
+impl->set_current_test_case(this);
+TestEventListener* repeater = UnitTest::GetInstance()->listeners().repeater();
+repeater->OnTestCaseStart(*this);
+impl->os_stack_trace_getter()->UponLeavingGTest();
+internal::HandleExceptionsInMethodIfSupported(
+this, &TestCase::RunSetUpTestCase, "SetUpTestCase()");
+const internal::TimeInMillis start = internal::GetTimeInMillis();
+for (int i = 0; i < total_test_count(); i++) {
+GetMutableTestInfo(i)->Run();
+}
+elapsed_time_ = internal::GetTimeInMillis() - start;
+impl->os_stack_trace_getter()->UponLeavingGTest();
+internal::HandleExceptionsInMethodIfSupported(
+this, &TestCase::RunTearDownTestCase, "TearDownTestCase()");
+repeater->OnTestCaseEnd(*this);
+impl->set_current_test_case(NULL);
+}
+// Clears the results of all tests in this test case.
+void TestCase::ClearResult() {
+ForEach(test_info_list_, TestInfo::ClearTestResult);
+}
+// Shuffles the tests in this test case.
+void TestCase::ShuffleTests(internal::Random* random) {
+Shuffle(random, &test_indices_);
+}
+// Restores the test order to before the first shuffle.
+void TestCase::UnshuffleTests() {
+for (size_t i = 0; i < test_indices_.size(); i++) {
+test_indices_[i] = static_cast<int>(i);
+}
+}
+// Formats a countable noun.  Depending on its quantity, either the
+// singular form or the plural form is used. e.g.
+//
+// FormatCountableNoun(1, "formula", "formuli") returns "1 formula".
+// FormatCountableNoun(5, "book", "books") returns "5 books".
+static internal::String FormatCountableNoun(int count,
+const char * singular_form,
+const char * plural_form) {
+return internal::String::Format("%d %s", count,
+count == 1 ? singular_form : plural_form);
+}
+// Formats the count of tests.
+static internal::String FormatTestCount(int test_count) {
+return FormatCountableNoun(test_count, "test", "tests");
+}
+// Formats the count of test cases.
+static internal::String FormatTestCaseCount(int test_case_count) {
+return FormatCountableNoun(test_case_count, "test case", "test cases");
+}
+// Converts a TestPartResult::Type enum to human-friendly string
+// representation.  Both kNonFatalFailure and kFatalFailure are translated
+// to "Failure", as the user usually doesn't care about the difference
+// between the two when viewing the test result.
+static const char * TestPartResultTypeToString(TestPartResult::Type type) {
+switch (type) {
+case TestPartResult::kSuccess:
+return "Success";
+case TestPartResult::kNonFatalFailure:
+case TestPartResult::kFatalFailure:
+#ifdef _MSC_VER
+return "error: ";
+#else
+return "Failure\n";
+#endif
+default:
+return "Unknown result type";
+}
+}
+// Prints a TestPartResult to a String.
+static internal::String PrintTestPartResultToString(
+const TestPartResult& test_part_result) {
+return (Message()
+<< internal::FormatFileLocation(test_part_result.file_name(),
+test_part_result.line_number())
+<< " " << TestPartResultTypeToString(test_part_result.type())
+<< test_part_result.message()).GetString();
+}
+// Prints a TestPartResult.
+static void PrintTestPartResult(const TestPartResult& test_part_result) {
+const internal::String& result =
+PrintTestPartResultToString(test_part_result);
+printf("%s\n", result.c_str());
+fflush(stdout);
+// If the test program runs in Visual Studio or a debugger, the
+// following statements add the test part result message to the Output
+// window such that the user can double-click on it to jump to the
+// corresponding source code location; otherwise they do nothing.
+#if GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE
+// We don't call OutputDebugString*() on Windows Mobile, as printing
+// to stdout is done by OutputDebugString() there already - we don't
+// want the same message printed twice.
+::OutputDebugStringA(result.c_str());
+::OutputDebugStringA("\n");
+#endif
+}
+// class PrettyUnitTestResultPrinter
+namespace internal {
+enum GTestColor {
+COLOR_DEFAULT,
+COLOR_RED,
+COLOR_GREEN,
+COLOR_YELLOW
+};
+#if GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE
+// Returns the character attribute for the given color.
+WORD GetColorAttribute(GTestColor color) {
+switch (color) {
+case COLOR_RED:    return FOREGROUND_RED;
+case COLOR_GREEN:  return FOREGROUND_GREEN;
+case COLOR_YELLOW: return FOREGROUND_RED | FOREGROUND_GREEN;
+default:           return 0;
+}
+}
+#else
+// Returns the ANSI color code for the given color.  COLOR_DEFAULT is
+// an invalid input.
+const char* GetAnsiColorCode(GTestColor color) {
+switch (color) {
+case COLOR_RED:     return "1";
+case COLOR_GREEN:   return "2";
+case COLOR_YELLOW:  return "3";
+default:            return NULL;
+};
+}
+#endif  // GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE
+// Returns true iff Google Test should use colors in the output.
+bool ShouldUseColor(bool stdout_is_tty) {
+const char* const gtest_color = GTEST_FLAG(color).c_str();
+if (String::CaseInsensitiveCStringEquals(gtest_color, "auto")) {
+#if GTEST_OS_WINDOWS
+// On Windows the TERM variable is usually not set, but the
+// console there does support colors.
+return stdout_is_tty;
+#else
+// On non-Windows platforms, we rely on the TERM variable.
+const char* const term = posix::GetEnv("TERM");
+const bool term_supports_color =
+String::CStringEquals(term, "xterm") ||
+String::CStringEquals(term, "xterm-color") ||
+String::CStringEquals(term, "xterm-256color") ||
+String::CStringEquals(term, "screen") ||
+String::CStringEquals(term, "linux") ||
+String::CStringEquals(term, "cygwin");
+return stdout_is_tty && term_supports_color;
+#endif  // GTEST_OS_WINDOWS
+}
+return String::CaseInsensitiveCStringEquals(gtest_color, "yes") ||
+String::CaseInsensitiveCStringEquals(gtest_color, "true") ||
+String::CaseInsensitiveCStringEquals(gtest_color, "t") ||
+String::CStringEquals(gtest_color, "1");
+// We take "yes", "true", "t", and "1" as meaning "yes".  If the
+// value is neither one of these nor "auto", we treat it as "no" to
+// be conservative.
+}
+// Helpers for printing colored strings to stdout. Note that on Windows, we
+// cannot simply emit special characters and have the terminal change colors.
+// This routine must actually emit the characters rather than return a string
+// that would be colored when printed, as can be done on Linux.
+void ColoredPrintf(GTestColor color, const char* fmt, ...) {
+va_list args;
+va_start(args, fmt);
+#if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_SYMBIAN || GTEST_OS_ZOS || GTEST_OS_IOS
+const bool use_color = false;
+#else
+static const bool in_color_mode =
+ShouldUseColor(posix::IsATTY(posix::FileNo(stdout)) != 0);
+const bool use_color = in_color_mode && (color != COLOR_DEFAULT);
+#endif  // GTEST_OS_WINDOWS_MOBILE || GTEST_OS_SYMBIAN || GTEST_OS_ZOS
+// The '!= 0' comparison is necessary to satisfy MSVC 7.1.
+if (!use_color) {
+vprintf(fmt, args);
+va_end(args);
+return;
+}
+#if GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE
+const HANDLE stdout_handle = GetStdHandle(STD_OUTPUT_HANDLE);
+// Gets the current text color.
+CONSOLE_SCREEN_BUFFER_INFO buffer_info;
+GetConsoleScreenBufferInfo(stdout_handle, &buffer_info);
+const WORD old_color_attrs = buffer_info.wAttributes;
+// We need to flush the stream buffers into the console before each
+// SetConsoleTextAttribute call lest it affect the text that is already
+// printed but has not yet reached the console.
+fflush(stdout);
+SetConsoleTextAttribute(stdout_handle,
+GetColorAttribute(color) | FOREGROUND_INTENSITY);
+vprintf(fmt, args);
+fflush(stdout);
+// Restores the text color.
+SetConsoleTextAttribute(stdout_handle, old_color_attrs);
+#else
+printf("\033[0;3%sm", GetAnsiColorCode(color));
+vprintf(fmt, args);
+printf("\033[m");  // Resets the terminal to default.
+#endif  // GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE
+va_end(args);
+}
+void PrintFullTestCommentIfPresent(const TestInfo& test_info) {
+const char* const type_param = test_info.type_param();
+const char* const value_param = test_info.value_param();
+if (type_param != NULL || value_param != NULL) {
+printf(", where ");
+if (type_param != NULL) {
+printf("TypeParam = %s", type_param);
+if (value_param != NULL)
+printf(" and ");
+}
+if (value_param != NULL) {
+printf("GetParam() = %s", value_param);
+}
+}
+}
+// This class implements the TestEventListener interface.
+//
+// Class PrettyUnitTestResultPrinter is copyable.
+class PrettyUnitTestResultPrinter : public TestEventListener {
+public:
+PrettyUnitTestResultPrinter() {}
+static void PrintTestName(const char * test_case, const char * test) {
+printf("%s.%s", test_case, test);
+}
+// The following methods override what's in the TestEventListener class.
+virtual void OnTestProgramStart(const UnitTest& /*unit_test*/) {}
+virtual void OnTestIterationStart(const UnitTest& unit_test, int iteration);
+virtual void OnEnvironmentsSetUpStart(const UnitTest& unit_test);
+virtual void OnEnvironmentsSetUpEnd(const UnitTest& /*unit_test*/) {}
+virtual void OnTestCaseStart(const TestCase& test_case);
+virtual void OnTestStart(const TestInfo& test_info);
+virtual void OnTestPartResult(const TestPartResult& result);
+virtual void OnTestEnd(const TestInfo& test_info);
+virtual void OnTestCaseEnd(const TestCase& test_case);
+virtual void OnEnvironmentsTearDownStart(const UnitTest& unit_test);
+virtual void OnEnvironmentsTearDownEnd(const UnitTest& /*unit_test*/) {}
+virtual void OnTestIterationEnd(const UnitTest& unit_test, int iteration);
+virtual void OnTestProgramEnd(const UnitTest& /*unit_test*/) {}
+private:
+static void PrintFailedTests(const UnitTest& unit_test);
+};
+// Fired before each iteration of tests starts.
+void PrettyUnitTestResultPrinter::OnTestIterationStart(
+const UnitTest& unit_test, int iteration) {
+if (GTEST_FLAG(repeat) != 1)
+printf("\nRepeating all tests (iteration %d) . . .\n\n", iteration + 1);
+const char* const filter = GTEST_FLAG(filter).c_str();
+// Prints the filter if it's not *.  This reminds the user that some
+// tests may be skipped.
+if (!internal::String::CStringEquals(filter, kUniversalFilter)) {
+ColoredPrintf(COLOR_YELLOW,
+"Note: %s filter = %s\n", GTEST_NAME_, filter);
+}
+if (internal::ShouldShard(kTestTotalShards, kTestShardIndex, false)) {
+const Int32 shard_index = Int32FromEnvOrDie(kTestShardIndex, -1);
+ColoredPrintf(COLOR_YELLOW,
+"Note: This is test shard %d of %s.\n",
+static_cast<int>(shard_index) + 1,
+internal::posix::GetEnv(kTestTotalShards));
+}
+if (GTEST_FLAG(shuffle)) {
+ColoredPrintf(COLOR_YELLOW,
+"Note: Randomizing tests' orders with a seed of %d .\n",
+unit_test.random_seed());
+}
+ColoredPrintf(COLOR_GREEN,  "[==========] ");
+printf("Running %s from %s.\n",
+FormatTestCount(unit_test.test_to_run_count()).c_str(),
+FormatTestCaseCount(unit_test.test_case_to_run_count()).c_str());
+fflush(stdout);
+}
+void PrettyUnitTestResultPrinter::OnEnvironmentsSetUpStart(
+const UnitTest& /*unit_test*/) {
+ColoredPrintf(COLOR_GREEN,  "[----------] ");
+printf("Global test environment set-up.\n");
+fflush(stdout);
+}
+void PrettyUnitTestResultPrinter::OnTestCaseStart(const TestCase& test_case) {
+const internal::String counts =
+FormatCountableNoun(test_case.test_to_run_count(), "test", "tests");
+ColoredPrintf(COLOR_GREEN, "[----------] ");
+printf("%s from %s", counts.c_str(), test_case.name());
+if (test_case.type_param() == NULL) {
+printf("\n");
+} else {
+printf(", where TypeParam = %s\n", test_case.type_param());
+}
+fflush(stdout);
+}
+void PrettyUnitTestResultPrinter::OnTestStart(const TestInfo& test_info) {
+ColoredPrintf(COLOR_GREEN,  "[ RUN      ] ");
+PrintTestName(test_info.test_case_name(), test_info.name());
+printf("\n");
+fflush(stdout);
+}
+// Called after an assertion failure.
+void PrettyUnitTestResultPrinter::OnTestPartResult(
+const TestPartResult& result) {
+// If the test part succeeded, we don't need to do anything.
+if (result.type() == TestPartResult::kSuccess)
+return;
+// Print failure message from the assertion (e.g. expected this and got that).
+PrintTestPartResult(result);
+fflush(stdout);
+}
+void PrettyUnitTestResultPrinter::OnTestEnd(const TestInfo& test_info) {
+if (test_info.result()->Passed()) {
+ColoredPrintf(COLOR_GREEN, "[       OK ] ");
+} else {
+ColoredPrintf(COLOR_RED, "[  FAILED  ] ");
+}
+PrintTestName(test_info.test_case_name(), test_info.name());
+if (test_info.result()->Failed())
+PrintFullTestCommentIfPresent(test_info);
+if (GTEST_FLAG(print_time)) {
+printf(" (%s ms)\n", internal::StreamableToString(
+test_info.result()->elapsed_time()).c_str());
+} else {
+printf("\n");
+}
+fflush(stdout);
+}
+void PrettyUnitTestResultPrinter::OnTestCaseEnd(const TestCase& test_case) {
+if (!GTEST_FLAG(print_time)) return;
+const internal::String counts =
+FormatCountableNoun(test_case.test_to_run_count(), "test", "tests");
+ColoredPrintf(COLOR_GREEN, "[----------] ");
+printf("%s from %s (%s ms total)\n\n",
+counts.c_str(), test_case.name(),
+internal::StreamableToString(test_case.elapsed_time()).c_str());
+fflush(stdout);
+}
+void PrettyUnitTestResultPrinter::OnEnvironmentsTearDownStart(
+const UnitTest& /*unit_test*/) {
+ColoredPrintf(COLOR_GREEN,  "[----------] ");
+printf("Global test environment tear-down\n");
+fflush(stdout);
+}
+// Internal helper for printing the list of failed tests.
+void PrettyUnitTestResultPrinter::PrintFailedTests(const UnitTest& unit_test) {
+const int failed_test_count = unit_test.failed_test_count();
+if (failed_test_count == 0) {
+return;
+}
+for (int i = 0; i < unit_test.total_test_case_count(); ++i) {
+const TestCase& test_case = *unit_test.GetTestCase(i);
+if (!test_case.should_run() || (test_case.failed_test_count() == 0)) {
+continue;
+}
+for (int j = 0; j < test_case.total_test_count(); ++j) {
+const TestInfo& test_info = *test_case.GetTestInfo(j);
+if (!test_info.should_run() || test_info.result()->Passed()) {
+continue;
+}
+ColoredPrintf(COLOR_RED, "[  FAILED  ] ");
+printf("%s.%s", test_case.name(), test_info.name());
+PrintFullTestCommentIfPresent(test_info);
+printf("\n");
+}
+}
+}
+void PrettyUnitTestResultPrinter::OnTestIterationEnd(const UnitTest& unit_test,
+int /*iteration*/) {
+ColoredPrintf(COLOR_GREEN,  "[==========] ");
+printf("%s from %s ran.",
+FormatTestCount(unit_test.test_to_run_count()).c_str(),
+FormatTestCaseCount(unit_test.test_case_to_run_count()).c_str());
+if (GTEST_FLAG(print_time)) {
+printf(" (%s ms total)",
+internal::StreamableToString(unit_test.elapsed_time()).c_str());
+}
+printf("\n");
+ColoredPrintf(COLOR_GREEN,  "[  PASSED  ] ");
+printf("%s.\n", FormatTestCount(unit_test.successful_test_count()).c_str());
+int num_failures = unit_test.failed_test_count();
+if (!unit_test.Passed()) {
+const int failed_test_count = unit_test.failed_test_count();
+ColoredPrintf(COLOR_RED,  "[  FAILED  ] ");
+printf("%s, listed below:\n", FormatTestCount(failed_test_count).c_str());
+PrintFailedTests(unit_test);
+printf("\n%2d FAILED %s\n", num_failures,
+num_failures == 1 ? "TEST" : "TESTS");
+}
+int num_disabled = unit_test.disabled_test_count();
+if (num_disabled && !GTEST_FLAG(also_run_disabled_tests)) {
+if (!num_failures) {
+printf("\n");  // Add a spacer if no FAILURE banner is displayed.
+}
+ColoredPrintf(COLOR_YELLOW,
+"  YOU HAVE %d DISABLED %s\n\n",
+num_disabled,
+num_disabled == 1 ? "TEST" : "TESTS");
+}
+// Ensure that Google Test output is printed before, e.g., heapchecker output.
+fflush(stdout);
+}
+// End PrettyUnitTestResultPrinter
+// class TestEventRepeater
+//
+// This class forwards events to other event listeners.
+class TestEventRepeater : public TestEventListener {
+public:
+TestEventRepeater() : forwarding_enabled_(true) {}
+virtual ~TestEventRepeater();
+void Append(TestEventListener *listener);
+TestEventListener* Release(TestEventListener* listener);
+// Controls whether events will be forwarded to listeners_. Set to false
+// in death test child processes.
+bool forwarding_enabled() const { return forwarding_enabled_; }
+void set_forwarding_enabled(bool enable) { forwarding_enabled_ = enable; }
+virtual void OnTestProgramStart(const UnitTest& unit_test);
+virtual void OnTestIterationStart(const UnitTest& unit_test, int iteration);
+virtual void OnEnvironmentsSetUpStart(const UnitTest& unit_test);
+virtual void OnEnvironmentsSetUpEnd(const UnitTest& unit_test);
+virtual void OnTestCaseStart(const TestCase& test_case);
+virtual void OnTestStart(const TestInfo& test_info);
+virtual void OnTestPartResult(const TestPartResult& result);
+virtual void OnTestEnd(const TestInfo& test_info);
+virtual void OnTestCaseEnd(const TestCase& test_case);
+virtual void OnEnvironmentsTearDownStart(const UnitTest& unit_test);
+virtual void OnEnvironmentsTearDownEnd(const UnitTest& unit_test);
+virtual void OnTestIterationEnd(const UnitTest& unit_test, int iteration);
+virtual void OnTestProgramEnd(const UnitTest& unit_test);
+private:
+// Controls whether events will be forwarded to listeners_. Set to false
+// in death test child processes.
+bool forwarding_enabled_;
+// The list of listeners that receive events.
+std::vector<TestEventListener*> listeners_;
+GTEST_DISALLOW_COPY_AND_ASSIGN_(TestEventRepeater);
+};
+TestEventRepeater::~TestEventRepeater() {
+ForEach(listeners_, Delete<TestEventListener>);
+}
+void TestEventRepeater::Append(TestEventListener *listener) {
+listeners_.push_back(listener);
+}
+// TODO(vladl@google.com): Factor the search functionality into Vector::Find.
+TestEventListener* TestEventRepeater::Release(TestEventListener *listener) {
+for (size_t i = 0; i < listeners_.size(); ++i) {
+if (listeners_[i] == listener) {
+listeners_.erase(listeners_.begin() + i);
+return listener;
+}
+}
+return NULL;
+}
+// Since most methods are very similar, use macros to reduce boilerplate.
+// This defines a member that forwards the call to all listeners.
+#define GTEST_REPEATER_METHOD_(Name, Type) \
+void TestEventRepeater::Name(const Type& parameter) { \
+if (forwarding_enabled_) { \
+for (size_t i = 0; i < listeners_.size(); i++) { \
+listeners_[i]->Name(parameter); \
+} \
+} \
+}
+// This defines a member that forwards the call to all listeners in reverse
+// order.
+#define GTEST_REVERSE_REPEATER_METHOD_(Name, Type) \
+void TestEventRepeater::Name(const Type& parameter) { \
+if (forwarding_enabled_) { \
+for (int i = static_cast<int>(listeners_.size()) - 1; i >= 0; i--) { \
+listeners_[i]->Name(parameter); \
+} \
+} \
+}
+GTEST_REPEATER_METHOD_(OnTestProgramStart, UnitTest)
+GTEST_REPEATER_METHOD_(OnEnvironmentsSetUpStart, UnitTest)
+GTEST_REPEATER_METHOD_(OnTestCaseStart, TestCase)
+GTEST_REPEATER_METHOD_(OnTestStart, TestInfo)
+GTEST_REPEATER_METHOD_(OnTestPartResult, TestPartResult)
+GTEST_REPEATER_METHOD_(OnEnvironmentsTearDownStart, UnitTest)
+GTEST_REVERSE_REPEATER_METHOD_(OnEnvironmentsSetUpEnd, UnitTest)
+GTEST_REVERSE_REPEATER_METHOD_(OnEnvironmentsTearDownEnd, UnitTest)
+GTEST_REVERSE_REPEATER_METHOD_(OnTestEnd, TestInfo)
+GTEST_REVERSE_REPEATER_METHOD_(OnTestCaseEnd, TestCase)
+GTEST_REVERSE_REPEATER_METHOD_(OnTestProgramEnd, UnitTest)
+#undef GTEST_REPEATER_METHOD_
+#undef GTEST_REVERSE_REPEATER_METHOD_
+void TestEventRepeater::OnTestIterationStart(const UnitTest& unit_test,
+int iteration) {
+if (forwarding_enabled_) {
+for (size_t i = 0; i < listeners_.size(); i++) {
+listeners_[i]->OnTestIterationStart(unit_test, iteration);
+}
+}
+}
+void TestEventRepeater::OnTestIterationEnd(const UnitTest& unit_test,
+int iteration) {
+if (forwarding_enabled_) {
+for (int i = static_cast<int>(listeners_.size()) - 1; i >= 0; i--) {
+listeners_[i]->OnTestIterationEnd(unit_test, iteration);
+}
+}
+}
+// End TestEventRepeater
+// This class generates an XML output file.
+class XmlUnitTestResultPrinter : public EmptyTestEventListener {
+public:
+explicit XmlUnitTestResultPrinter(const char* output_file);
+virtual void OnTestIterationEnd(const UnitTest& unit_test, int iteration);
+private:
+// Is c a whitespace character that is normalized to a space character
+// when it appears in an XML attribute value?
+static bool IsNormalizableWhitespace(char c) {
+return c == 0x9 || c == 0xA || c == 0xD;
+}
+// May c appear in a well-formed XML document?
+static bool IsValidXmlCharacter(char c) {
+return IsNormalizableWhitespace(c) || c >= 0x20;
+}
+// Returns an XML-escaped copy of the input string str.  If
+// is_attribute is true, the text is meant to appear as an attribute
+// value, and normalizable whitespace is preserved by replacing it
+// with character references.
+static String EscapeXml(const char* str, bool is_attribute);
+// Returns the given string with all characters invalid in XML removed.
+static string RemoveInvalidXmlCharacters(const string& str);
+// Convenience wrapper around EscapeXml when str is an attribute value.
+static String EscapeXmlAttribute(const char* str) {
+return EscapeXml(str, true);
+}
+// Convenience wrapper around EscapeXml when str is not an attribute value.
+static String EscapeXmlText(const char* str) { return EscapeXml(str, false); }
+// Streams an XML CDATA section, escaping invalid CDATA sequences as needed.
+static void OutputXmlCDataSection(::std::ostream* stream, const char* data);
+// Streams an XML representation of a TestInfo object.
+static void OutputXmlTestInfo(::std::ostream* stream,
+const char* test_case_name,
+const TestInfo& test_info);
+// Prints an XML representation of a TestCase object
+static void PrintXmlTestCase(FILE* out, const TestCase& test_case);
+// Prints an XML summary of unit_test to output stream out.
+static void PrintXmlUnitTest(FILE* out, const UnitTest& unit_test);
+// Produces a string representing the test properties in a result as space
+// delimited XML attributes based on the property key="value" pairs.
+// When the String is not empty, it includes a space at the beginning,
+// to delimit this attribute from prior attributes.
+static String TestPropertiesAsXmlAttributes(const TestResult& result);
+// The output file.
+const String output_file_;
+GTEST_DISALLOW_COPY_AND_ASSIGN_(XmlUnitTestResultPrinter);
+};
+// Creates a new XmlUnitTestResultPrinter.
+XmlUnitTestResultPrinter::XmlUnitTestResultPrinter(const char* output_file)
+: output_file_(output_file) {
+if (output_file_.c_str() == NULL || output_file_.empty()) {
+fprintf(stderr, "XML output file may not be null\n");
+fflush(stderr);
+exit(EXIT_FAILURE);
+}
+}
+// Called after the unit test ends.
+void XmlUnitTestResultPrinter::OnTestIterationEnd(const UnitTest& unit_test,
+int /*iteration*/) {
+FILE* xmlout = NULL;
+FilePath output_file(output_file_);
+FilePath output_dir(output_file.RemoveFileName());
+if (output_dir.CreateDirectoriesRecursively()) {
+xmlout = posix::FOpen(output_file_.c_str(), "w");
+}
+if (xmlout == NULL) {
+// TODO(wan): report the reason of the failure.
+//
+// We don't do it for now as:
+//
+//   1. There is no urgent need for it.
+//   2. It's a bit involved to make the errno variable thread-safe on
+//      all three operating systems (Linux, Windows, and Mac OS).
+//   3. To interpret the meaning of errno in a thread-safe way,
+//      we need the strerror_r() function, which is not available on
+//      Windows.
+fprintf(stderr,
+"Unable to open file \"%s\"\n",
+output_file_.c_str());
+fflush(stderr);
+exit(EXIT_FAILURE);
+}
+PrintXmlUnitTest(xmlout, unit_test);
+fclose(xmlout);
+}
+// Returns an XML-escaped copy of the input string str.  If is_attribute
+// is true, the text is meant to appear as an attribute value, and
+// normalizable whitespace is preserved by replacing it with character
+// references.
+//
+// Invalid XML characters in str, if any, are stripped from the output.
+// It is expected that most, if not all, of the text processed by this
+// module will consist of ordinary English text.
+// If this module is ever modified to produce version 1.1 XML output,
+// most invalid characters can be retained using character references.
+// TODO(wan): It might be nice to have a minimally invasive, human-readable
+// escaping scheme for invalid characters, rather than dropping them.
+String XmlUnitTestResultPrinter::EscapeXml(const char* str, bool is_attribute) {
+Message m;
+if (str != NULL) {
+for (const char* src = str; *src; ++src) {
+switch (*src) {
+case '<':
+m << "&lt;";
+break;
+case '>':
+m << "&gt;";
+break;
+case '&':
+m << "&amp;";
+break;
+case '\'':
+if (is_attribute)
+m << "&apos;";
+else
+m << '\'';
+break;
+case '"':
+if (is_attribute)
+m << "&quot;";
+else
+m << '"';
+break;
+default:
+if (IsValidXmlCharacter(*src)) {
+if (is_attribute && IsNormalizableWhitespace(*src))
+m << String::Format("&#x%02X;", unsigned(*src));
+else
+m << *src;
+}
+break;
+}
+}
+}
+return m.GetString();
+}
+// Returns the given string with all characters invalid in XML removed.
+// Currently invalid characters are dropped from the string. An
+// alternative is to replace them with certain characters such as . or ?.
+string XmlUnitTestResultPrinter::RemoveInvalidXmlCharacters(const string& str) {
+string output;
+output.reserve(str.size());
+for (string::const_iterator it = str.begin(); it != str.end(); ++it)
+if (IsValidXmlCharacter(*it))
+output.push_back(*it);
+return output;
+}
+// The following routines generate an XML representation of a UnitTest
+// object.
+//
+// This is how Google Test concepts map to the DTD:
+//
+// <testsuites name="AllTests">        <-- corresponds to a UnitTest object
+//   <testsuite name="testcase-name">  <-- corresponds to a TestCase object
+//     <testcase name="test-name">     <-- corresponds to a TestInfo object
+//       <failure message="...">...</failure>
+//       <failure message="...">...</failure>
+//       <failure message="...">...</failure>
+//                                     <-- individual assertion failures
+//     </testcase>
+//   </testsuite>
+// </testsuites>
+// Formats the given time in milliseconds as seconds.
+std::string FormatTimeInMillisAsSeconds(TimeInMillis ms) {
+::std::stringstream ss;
+ss << ms/1000.0;
+return ss.str();
+}
+// Converts the given epoch time in milliseconds to a date string in the ISO
+// 8601 format, without the timezone information.
+std::string FormatEpochTimeInMillisAsIso8601(TimeInMillis ms) {
+// Using non-reentrant version as localtime_r is not portable.
+time_t seconds = static_cast<time_t>(ms / 1000);
+#ifdef _MSC_VER
+# pragma warning(push)          // Saves the current warning state.
+# pragma warning(disable:4996)  // Temporarily disables warning 4996
+// (function or variable may be unsafe).
+const struct tm* const time_struct = localtime(&seconds);  // NOLINT
+# pragma warning(pop)           // Restores the warning state again.
+#else
+const struct tm* const time_struct = localtime(&seconds);  // NOLINT
+#endif
+if (time_struct == NULL)
+return "";  // Invalid ms value
+return String::Format("%d-%02d-%02dT%02d:%02d:%02d",  // YYYY-MM-DDThh:mm:ss
+time_struct->tm_year + 1900,
+time_struct->tm_mon + 1,
+time_struct->tm_mday,
+time_struct->tm_hour,
+time_struct->tm_min,
+time_struct->tm_sec);
+}
+// Streams an XML CDATA section, escaping invalid CDATA sequences as needed.
+void XmlUnitTestResultPrinter::OutputXmlCDataSection(::std::ostream* stream,
+const char* data) {
+const char* segment = data;
+*stream << "<![CDATA[";
+for (;;) {
+const char* const next_segment = strstr(segment, "]]>");
+if (next_segment != NULL) {
+stream->write(
+segment, static_cast<std::streamsize>(next_segment - segment));
+*stream << "]]>]]&gt;<![CDATA[";
+segment = next_segment + strlen("]]>");
+} else {
+*stream << segment;
+break;
+}
+}
+*stream << "]]>";
+}
+// Prints an XML representation of a TestInfo object.
+// TODO(wan): There is also value in printing properties with the plain printer.
+void XmlUnitTestResultPrinter::OutputXmlTestInfo(::std::ostream* stream,
+const char* test_case_name,
+const TestInfo& test_info) {
+const TestResult& result = *test_info.result();
+*stream << "    <testcase name=\""
+<< EscapeXmlAttribute(test_info.name()).c_str() << "\"";
+if (test_info.value_param() != NULL) {
+*stream << " value_param=\"" << EscapeXmlAttribute(test_info.value_param())
+<< "\"";
+}
+if (test_info.type_param() != NULL) {
+*stream << " type_param=\"" << EscapeXmlAttribute(test_info.type_param())
+<< "\"";
+}
+*stream << " status=\""
+<< (test_info.should_run() ? "run" : "notrun")
+<< "\" time=\""
+<< FormatTimeInMillisAsSeconds(result.elapsed_time())
+<< "\" classname=\"" << EscapeXmlAttribute(test_case_name).c_str()
+<< "\"" << TestPropertiesAsXmlAttributes(result).c_str();
+int failures = 0;
+for (int i = 0; i < result.total_part_count(); ++i) {
+const TestPartResult& part = result.GetTestPartResult(i);
+if (part.failed()) {
+if (++failures == 1) {
+*stream << ">\n";
+}
+const string location = internal::FormatCompilerIndependentFileLocation(
+part.file_name(), part.line_number());
+const string summary = location + "\n" + part.summary();
+*stream << "      <failure message=\""
+<< EscapeXmlAttribute(summary.c_str())
+<< "\" type=\"\">";
+const string detail = location + "\n" + part.message();
+OutputXmlCDataSection(stream, RemoveInvalidXmlCharacters(detail).c_str());
+*stream << "</failure>\n";
+}
+}
+if (failures == 0)
+*stream << " />\n";
+else
+*stream << "    </testcase>\n";
+}
+// Prints an XML representation of a TestCase object
+void XmlUnitTestResultPrinter::PrintXmlTestCase(FILE* out,
+const TestCase& test_case) {
+fprintf(out,
+"  <testsuite name=\"%s\" tests=\"%d\" failures=\"%d\" "
+"disabled=\"%d\" ",
+EscapeXmlAttribute(test_case.name()).c_str(),
+test_case.total_test_count(),
+test_case.failed_test_count(),
+test_case.disabled_test_count());
+fprintf(out,
+"errors=\"0\" time=\"%s\">\n",
+FormatTimeInMillisAsSeconds(test_case.elapsed_time()).c_str());
+for (int i = 0; i < test_case.total_test_count(); ++i) {
+::std::stringstream stream;
+OutputXmlTestInfo(&stream, test_case.name(), *test_case.GetTestInfo(i));
+fprintf(out, "%s", StringStreamToString(&stream).c_str());
+}
+fprintf(out, "  </testsuite>\n");
+}
+// Prints an XML summary of unit_test to output stream out.
+void XmlUnitTestResultPrinter::PrintXmlUnitTest(FILE* out,
+const UnitTest& unit_test) {
+fprintf(out, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
+fprintf(out,
+"<testsuites tests=\"%d\" failures=\"%d\" disabled=\"%d\" "
+"errors=\"0\" timestamp=\"%s\" time=\"%s\" ",
+unit_test.total_test_count(),
+unit_test.failed_test_count(),
+unit_test.disabled_test_count(),
+FormatEpochTimeInMillisAsIso8601(unit_test.start_timestamp()).c_str(),
+FormatTimeInMillisAsSeconds(unit_test.elapsed_time()).c_str());
+if (GTEST_FLAG(shuffle)) {
+fprintf(out, "random_seed=\"%d\" ", unit_test.random_seed());
+}
+fprintf(out, "name=\"AllTests\">\n");
+for (int i = 0; i < unit_test.total_test_case_count(); ++i)
+PrintXmlTestCase(out, *unit_test.GetTestCase(i));
+fprintf(out, "</testsuites>\n");
+}
+// Produces a string representing the test properties in a result as space
+// delimited XML attributes based on the property key="value" pairs.
+String XmlUnitTestResultPrinter::TestPropertiesAsXmlAttributes(
+const TestResult& result) {
+Message attributes;
+for (int i = 0; i < result.test_property_count(); ++i) {
+const TestProperty& property = result.GetTestProperty(i);
+attributes << " " << property.key() << "="
+<< "\"" << EscapeXmlAttribute(property.value()) << "\"";
+}
+return attributes.GetString();
+}
+// End XmlUnitTestResultPrinter
+#if GTEST_CAN_STREAM_RESULTS_
+// Streams test results to the given port on the given host machine.
+class StreamingListener : public EmptyTestEventListener {
+public:
+// Escapes '=', '&', '%', and '\n' characters in str as "%xx".
+static string UrlEncode(const char* str);
+StreamingListener(const string& host, const string& port)
+: sockfd_(-1), host_name_(host), port_num_(port) {
+MakeConnection();
+Send("gtest_streaming_protocol_version=1.0\n");
+}
+virtual ~StreamingListener() {
+if (sockfd_ != -1)
+CloseConnection();
+}
+void OnTestProgramStart(const UnitTest& /* unit_test */) {
+Send("event=TestProgramStart\n");
+}
+void OnTestProgramEnd(const UnitTest& unit_test) {
+// Note that Google Test current only report elapsed time for each
+// test iteration, not for the entire test program.
+Send(String::Format("event=TestProgramEnd&passed=%d\n",
+unit_test.Passed()));
+// Notify the streaming server to stop.
+CloseConnection();
+}
+void OnTestIterationStart(const UnitTest& /* unit_test */, int iteration) {
+Send(String::Format("event=TestIterationStart&iteration=%d\n",
+iteration));
+}
+void OnTestIterationEnd(const UnitTest& unit_test, int /* iteration */) {
+Send(String::Format("event=TestIterationEnd&passed=%d&elapsed_time=%sms\n",
+unit_test.Passed(),
+StreamableToString(unit_test.elapsed_time()).c_str()));
+}
+void OnTestCaseStart(const TestCase& test_case) {
+Send(String::Format("event=TestCaseStart&name=%s\n", test_case.name()));
+}
+void OnTestCaseEnd(const TestCase& test_case) {
+Send(String::Format("event=TestCaseEnd&passed=%d&elapsed_time=%sms\n",
+test_case.Passed(),
+StreamableToString(test_case.elapsed_time()).c_str()));
+}
+void OnTestStart(const TestInfo& test_info) {
+Send(String::Format("event=TestStart&name=%s\n", test_info.name()));
+}
+void OnTestEnd(const TestInfo& test_info) {
+Send(String::Format(
+"event=TestEnd&passed=%d&elapsed_time=%sms\n",
+(test_info.result())->Passed(),
+StreamableToString((test_info.result())->elapsed_time()).c_str()));
+}
+void OnTestPartResult(const TestPartResult& test_part_result) {
+const char* file_name = test_part_result.file_name();
+if (file_name == NULL)
+file_name = "";
+Send(String::Format("event=TestPartResult&file=%s&line=%d&message=",
+UrlEncode(file_name).c_str(),
+test_part_result.line_number()));
+Send(UrlEncode(test_part_result.message()) + "\n");
+}
+private:
+// Creates a client socket and connects to the server.
+void MakeConnection();
+// Closes the socket.
+void CloseConnection() {
+GTEST_CHECK_(sockfd_ != -1)
+<< "CloseConnection() can be called only when there is a connection.";
+close(sockfd_);
+sockfd_ = -1;
+}
+// Sends a string to the socket.
+void Send(const string& message) {
+GTEST_CHECK_(sockfd_ != -1)
+<< "Send() can be called only when there is a connection.";
+const int len = static_cast<int>(message.length());
+if (write(sockfd_, message.c_str(), len) != len) {
+GTEST_LOG_(WARNING)
+<< "stream_result_to: failed to stream to "
+<< host_name_ << ":" << port_num_;
+}
+}
+int sockfd_;   // socket file descriptor
+const string host_name_;
+const string port_num_;
+GTEST_DISALLOW_COPY_AND_ASSIGN_(StreamingListener);
+};  // class StreamingListener
+// Checks if str contains '=', '&', '%' or '\n' characters. If yes,
+// replaces them by "%xx" where xx is their hexadecimal value. For
+// example, replaces "=" with "%3D".  This algorithm is O(strlen(str))
+// in both time and space -- important as the input str may contain an
+// arbitrarily long test failure message and stack trace.
+string StreamingListener::UrlEncode(const char* str) {
+string result;
+result.reserve(strlen(str) + 1);
+for (char ch = *str; ch != '\0'; ch = *++str) {
+switch (ch) {
+case '%':
+case '=':
+case '&':
+case '\n':
+result.append(String::Format("%%%02x", static_cast<unsigned char>(ch)));
+break;
+default:
+result.push_back(ch);
+break;
+}
+}
+return result;
+}
+void StreamingListener::MakeConnection() {
+GTEST_CHECK_(sockfd_ == -1)
+<< "MakeConnection() can't be called when there is already a connection.";
+addrinfo hints;
+memset(&hints, 0, sizeof(hints));
+hints.ai_family = AF_UNSPEC;    // To allow both IPv4 and IPv6 addresses.
+hints.ai_socktype = SOCK_STREAM;
+addrinfo* servinfo = NULL;
+// Use the getaddrinfo() to get a linked list of IP addresses for
+// the given host name.
+const int error_num = getaddrinfo(
+host_name_.c_str(), port_num_.c_str(), &hints, &servinfo);
+if (error_num != 0) {
+GTEST_LOG_(WARNING) << "stream_result_to: getaddrinfo() failed: "
+<< gai_strerror(error_num);
+}
+// Loop through all the results and connect to the first we can.
+for (addrinfo* cur_addr = servinfo; sockfd_ == -1 && cur_addr != NULL;
+cur_addr = cur_addr->ai_next) {
+sockfd_ = socket(
+cur_addr->ai_family, cur_addr->ai_socktype, cur_addr->ai_protocol);
+if (sockfd_ != -1) {
+// Connect the client socket to the server socket.
+if (connect(sockfd_, cur_addr->ai_addr, cur_addr->ai_addrlen) == -1) {
+close(sockfd_);
+sockfd_ = -1;
+}
+}
+}
+freeaddrinfo(servinfo);  // all done with this structure
+if (sockfd_ == -1) {
+GTEST_LOG_(WARNING) << "stream_result_to: failed to connect to "
+<< host_name_ << ":" << port_num_;
+}
+}
+// End of class Streaming Listener
+#endif  // GTEST_CAN_STREAM_RESULTS__
+// Class ScopedTrace
+// Pushes the given source file location and message onto a per-thread
+// trace stack maintained by Google Test.
+ScopedTrace::ScopedTrace(const char* file, int line, const Message& message)
+GTEST_LOCK_EXCLUDED_(&UnitTest::mutex_) {
+TraceInfo trace;
+trace.file = file;
+trace.line = line;
+trace.message = message.GetString();
+UnitTest::GetInstance()->PushGTestTrace(trace);
+}
+// Pops the info pushed by the c'tor.
+ScopedTrace::~ScopedTrace()
+GTEST_LOCK_EXCLUDED_(&UnitTest::mutex_) {
+UnitTest::GetInstance()->PopGTestTrace();
+}
+// class OsStackTraceGetter
+// Returns the current OS stack trace as a String.  Parameters:
+//
+//   max_depth  - the maximum number of stack frames to be included
+//                in the trace.
+//   skip_count - the number of top frames to be skipped; doesn't count
+//                against max_depth.
+//
+String OsStackTraceGetter::CurrentStackTrace(int /* max_depth */,
+int /* skip_count */)
+GTEST_LOCK_EXCLUDED_(mutex_) {
+return String("");
+}
+void OsStackTraceGetter::UponLeavingGTest()
+GTEST_LOCK_EXCLUDED_(mutex_) {
+}
+const char* const
+OsStackTraceGetter::kElidedFramesMarker =
+"... " GTEST_NAME_ " internal frames ...";
+}  // namespace internal
+// class TestEventListeners
+TestEventListeners::TestEventListeners()
+: repeater_(new internal::TestEventRepeater()),
+default_result_printer_(NULL),
+default_xml_generator_(NULL) {
+}
+TestEventListeners::~TestEventListeners() { delete repeater_; }
+// Returns the standard listener responsible for the default console
+// output.  Can be removed from the listeners list to shut down default
+// console output.  Note that removing this object from the listener list
+// with Release transfers its ownership to the user.
+void TestEventListeners::Append(TestEventListener* listener) {
+repeater_->Append(listener);
+}
+// Removes the given event listener from the list and returns it.  It then
+// becomes the caller's responsibility to delete the listener. Returns
+// NULL if the listener is not found in the list.
+TestEventListener* TestEventListeners::Release(TestEventListener* listener) {
+if (listener == default_result_printer_)
+default_result_printer_ = NULL;
+else if (listener == default_xml_generator_)
+default_xml_generator_ = NULL;
+return repeater_->Release(listener);
+}
+// Returns repeater that broadcasts the TestEventListener events to all
+// subscribers.
+TestEventListener* TestEventListeners::repeater() { return repeater_; }
+// Sets the default_result_printer attribute to the provided listener.
+// The listener is also added to the listener list and previous
+// default_result_printer is removed from it and deleted. The listener can
+// also be NULL in which case it will not be added to the list. Does
+// nothing if the previous and the current listener objects are the same.
+void TestEventListeners::SetDefaultResultPrinter(TestEventListener* listener) {
+if (default_result_printer_ != listener) {
+// It is an error to pass this method a listener that is already in the
+// list.
+delete Release(default_result_printer_);
+default_result_printer_ = listener;
+if (listener != NULL)
+Append(listener);
+}
+}
+// Sets the default_xml_generator attribute to the provided listener.  The
+// listener is also added to the listener list and previous
+// default_xml_generator is removed from it and deleted. The listener can
+// also be NULL in which case it will not be added to the list. Does
+// nothing if the previous and the current listener objects are the same.
+void TestEventListeners::SetDefaultXmlGenerator(TestEventListener* listener) {
+if (default_xml_generator_ != listener) {
+// It is an error to pass this method a listener that is already in the
+// list.
+delete Release(default_xml_generator_);
+default_xml_generator_ = listener;
+if (listener != NULL)
+Append(listener);
+}
+}
+// Controls whether events will be forwarded by the repeater to the
+// listeners in the list.
+bool TestEventListeners::EventForwardingEnabled() const {
+return repeater_->forwarding_enabled();
+}
+void TestEventListeners::SuppressEventForwarding() {
+repeater_->set_forwarding_enabled(false);
+}
+// class UnitTest
+// Gets the singleton UnitTest object.  The first time this method is
+// called, a UnitTest object is constructed and returned.  Consecutive
+// calls will return the same object.
+//
+// We don't protect this under mutex_ as a user is not supposed to
+// call this before main() starts, from which point on the return
+// value will never change.
+UnitTest * UnitTest::GetInstance() {
+// When compiled with MSVC 7.1 in optimized mode, destroying the
+// UnitTest object upon exiting the program messes up the exit code,
+// causing successful tests to appear failed.  We have to use a
+// different implementation in this case to bypass the compiler bug.
+// This implementation makes the compiler happy, at the cost of
+// leaking the UnitTest object.
+// CodeGear C++Builder insists on a public destructor for the
+// default implementation.  Use this implementation to keep good OO
+// design with private destructor.
+#if (_MSC_VER == 1310 && !defined(_DEBUG)) || defined(__BORLANDC__)
+static UnitTest* const instance = new UnitTest;
+return instance;
+#else
+static UnitTest instance;
+return &instance;
+#endif  // (_MSC_VER == 1310 && !defined(_DEBUG)) || defined(__BORLANDC__)
+}
+// Gets the number of successful test cases.
+int UnitTest::successful_test_case_count() const {
+return impl()->successful_test_case_count();
+}
+// Gets the number of failed test cases.
+int UnitTest::failed_test_case_count() const {
+return impl()->failed_test_case_count();
+}
+// Gets the number of all test cases.
+int UnitTest::total_test_case_count() const {
+return impl()->total_test_case_count();
+}
+// Gets the number of all test cases that contain at least one test
+// that should run.
+int UnitTest::test_case_to_run_count() const {
+return impl()->test_case_to_run_count();
+}
+// Gets the number of successful tests.
+int UnitTest::successful_test_count() const {
+return impl()->successful_test_count();
+}
+// Gets the number of failed tests.
+int UnitTest::failed_test_count() const { return impl()->failed_test_count(); }
+// Gets the number of disabled tests.
+int UnitTest::disabled_test_count() const {
+return impl()->disabled_test_count();
+}
+// Gets the number of all tests.
+int UnitTest::total_test_count() const { return impl()->total_test_count(); }
+// Gets the number of tests that should run.
+int UnitTest::test_to_run_count() const { return impl()->test_to_run_count(); }
+// Gets the time of the test program start, in ms from the start of the
+// UNIX epoch.
+internal::TimeInMillis UnitTest::start_timestamp() const {
+return impl()->start_timestamp();
+}
+// Gets the elapsed time, in milliseconds.
+internal::TimeInMillis UnitTest::elapsed_time() const {
+return impl()->elapsed_time();
+}
+// Returns true iff the unit test passed (i.e. all test cases passed).
+bool UnitTest::Passed() const { return impl()->Passed(); }
+// Returns true iff the unit test failed (i.e. some test case failed
+// or something outside of all tests failed).
+bool UnitTest::Failed() const { return impl()->Failed(); }
+// Gets the i-th test case among all the test cases. i can range from 0 to
+// total_test_case_count() - 1. If i is not in that range, returns NULL.
+const TestCase* UnitTest::GetTestCase(int i) const {
+return impl()->GetTestCase(i);
+}
+// Gets the i-th test case among all the test cases. i can range from 0 to
+// total_test_case_count() - 1. If i is not in that range, returns NULL.
+TestCase* UnitTest::GetMutableTestCase(int i) {
+return impl()->GetMutableTestCase(i);
+}
+// Returns the list of event listeners that can be used to track events
+// inside Google Test.
+TestEventListeners& UnitTest::listeners() {
+return *impl()->listeners();
+}
+// Registers and returns a global test environment.  When a test
+// program is run, all global test environments will be set-up in the
+// order they were registered.  After all tests in the program have
+// finished, all global test environments will be torn-down in the
+// *reverse* order they were registered.
+//
+// The UnitTest object takes ownership of the given environment.
+//
+// We don't protect this under mutex_, as we only support calling it
+// from the main thread.
+Environment* UnitTest::AddEnvironment(Environment* env) {
+if (env == NULL) {
+return NULL;
+}
+impl_->environments().push_back(env);
+return env;
+}
+// Adds a TestPartResult to the current TestResult object.  All Google Test
+// assertion macros (e.g. ASSERT_TRUE, EXPECT_EQ, etc) eventually call
+// this to report their results.  The user code should use the
+// assertion macros instead of calling this directly.
+void UnitTest::AddTestPartResult(
+TestPartResult::Type result_type,
+const char* file_name,
+int line_number,
+const internal::String& message,
+const internal::String& os_stack_trace)
+GTEST_LOCK_EXCLUDED_(mutex_) {
+Message msg;
+msg << message;
+internal::MutexLock lock(&mutex_);
+if (impl_->gtest_trace_stack().size() > 0) {
+msg << "\n" << GTEST_NAME_ << " trace:";
+for (int i = static_cast<int>(impl_->gtest_trace_stack().size());
+i > 0; --i) {
+const internal::TraceInfo& trace = impl_->gtest_trace_stack()[i - 1];
+msg << "\n" << internal::FormatFileLocation(trace.file, trace.line)
+<< " " << trace.message;
+}
+}
+if (os_stack_trace.c_str() != NULL && !os_stack_trace.empty()) {
+msg << internal::kStackTraceMarker << os_stack_trace;
+}
+const TestPartResult result =
+TestPartResult(result_type, file_name, line_number,
+msg.GetString().c_str());
+impl_->GetTestPartResultReporterForCurrentThread()->
+ReportTestPartResult(result);
+if (result_type != TestPartResult::kSuccess) {
+// gtest_break_on_failure takes precedence over
+// gtest_throw_on_failure.  This allows a user to set the latter
+// in the code (perhaps in order to use Google Test assertions
+// with another testing framework) and specify the former on the
+// command line for debugging.
+if (GTEST_FLAG(break_on_failure)) {
+#if GTEST_OS_WINDOWS
+// Using DebugBreak on Windows allows gtest to still break into a debugger
+// when a failure happens and both the --gtest_break_on_failure and
+// the --gtest_catch_exceptions flags are specified.
+DebugBreak();
+#else
+// Dereference NULL through a volatile pointer to prevent the compiler
+// from removing. We use this rather than abort() or __builtin_trap() for
+// portability: Symbian doesn't implement abort() well, and some debuggers
+// don't correctly trap abort().
+*static_cast<volatile int*>(NULL) = 1;
+#endif  // GTEST_OS_WINDOWS
+} else if (GTEST_FLAG(throw_on_failure)) {
+#if GTEST_HAS_EXCEPTIONS
+throw GoogleTestFailureException(result);
+#else
+// We cannot call abort() as it generates a pop-up in debug mode
+// that cannot be suppressed in VC 7.1 or below.
+exit(1);
+#endif
+}
+}
+}
+// Creates and adds a property to the current TestResult. If a property matching
+// the supplied value already exists, updates its value instead.
+void UnitTest::RecordPropertyForCurrentTest(const char* key,
+const char* value) {
+const TestProperty test_property(key, value);
+impl_->current_test_result()->RecordProperty(test_property);
+}
+// Runs all tests in this UnitTest object and prints the result.
+// Returns 0 if successful, or 1 otherwise.
+//
+// We don't protect this under mutex_, as we only support calling it
+// from the main thread.
+int UnitTest::Run() {
+// Captures the value of GTEST_FLAG(catch_exceptions).  This value will be
+// used for the duration of the program.
+impl()->set_catch_exceptions(GTEST_FLAG(catch_exceptions));
+#if GTEST_HAS_SEH
+const bool in_death_test_child_process =
+internal::GTEST_FLAG(internal_run_death_test).length() > 0;
+// Either the user wants Google Test to catch exceptions thrown by the
+// tests or this is executing in the context of death test child
+// process. In either case the user does not want to see pop-up dialogs
+// about crashes - they are expected.
+if (impl()->catch_exceptions() || in_death_test_child_process) {
+# if !GTEST_OS_WINDOWS_MOBILE
+// SetErrorMode doesn't exist on CE.
+SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOALIGNMENTFAULTEXCEPT |
+SEM_NOGPFAULTERRORBOX | SEM_NOOPENFILEERRORBOX);
+# endif  // !GTEST_OS_WINDOWS_MOBILE
+# if (defined(_MSC_VER) || GTEST_OS_WINDOWS_MINGW) && !GTEST_OS_WINDOWS_MOBILE
+// Death test children can be terminated with _abort().  On Windows,
+// _abort() can show a dialog with a warning message.  This forces the
+// abort message to go to stderr instead.
+_set_error_mode(_OUT_TO_STDERR);
+# endif
+# if _MSC_VER >= 1400 && !GTEST_OS_WINDOWS_MOBILE
+// In the debug version, Visual Studio pops up a separate dialog
+// offering a choice to debug the aborted program. We need to suppress
+// this dialog or it will pop up for every EXPECT/ASSERT_DEATH statement
+// executed. Google Test will notify the user of any unexpected
+// failure via stderr.
+//
+// VC++ doesn't define _set_abort_behavior() prior to the version 8.0.
+// Users of prior VC versions shall suffer the agony and pain of
+// clicking through the countless debug dialogs.
+// TODO(vladl@google.com): find a way to suppress the abort dialog() in the
+// debug mode when compiled with VC 7.1 or lower.
+if (!GTEST_FLAG(break_on_failure))
+_set_abort_behavior(
+0x0,                                    // Clear the following flags:
+_WRITE_ABORT_MSG | _CALL_REPORTFAULT);  // pop-up window, core dump.
+# endif
+}
+#endif  // GTEST_HAS_SEH
+return internal::HandleExceptionsInMethodIfSupported(
+impl(),
+&internal::UnitTestImpl::RunAllTests,
+"auxiliary test code (environments or event listeners)") ? 0 : 1;
+}
+// Returns the working directory when the first TEST() or TEST_F() was
+// executed.
+const char* UnitTest::original_working_dir() const {
+return impl_->original_working_dir_.c_str();
+}
+// Returns the TestCase object for the test that's currently running,
+// or NULL if no test is running.
+const TestCase* UnitTest::current_test_case() const
+GTEST_LOCK_EXCLUDED_(mutex_) {
+internal::MutexLock lock(&mutex_);
+return impl_->current_test_case();
+}
+// Returns the TestInfo object for the test that's currently running,
+// or NULL if no test is running.
+const TestInfo* UnitTest::current_test_info() const
+GTEST_LOCK_EXCLUDED_(mutex_) {
+internal::MutexLock lock(&mutex_);
+return impl_->current_test_info();
+}
+// Returns the random seed used at the start of the current test run.
+int UnitTest::random_seed() const { return impl_->random_seed(); }
+#if GTEST_HAS_PARAM_TEST
+// Returns ParameterizedTestCaseRegistry object used to keep track of
+// value-parameterized tests and instantiate and register them.
+internal::ParameterizedTestCaseRegistry&
+UnitTest::parameterized_test_registry()
+GTEST_LOCK_EXCLUDED_(mutex_) {
+return impl_->parameterized_test_registry();
+}
+#endif  // GTEST_HAS_PARAM_TEST
+// Creates an empty UnitTest.
+UnitTest::UnitTest() {
+impl_ = new internal::UnitTestImpl(this);
+}
+// Destructor of UnitTest.
+UnitTest::~UnitTest() {
+delete impl_;
+}
+// Pushes a trace defined by SCOPED_TRACE() on to the per-thread
+// Google Test trace stack.
+void UnitTest::PushGTestTrace(const internal::TraceInfo& trace)
+GTEST_LOCK_EXCLUDED_(mutex_) {
+internal::MutexLock lock(&mutex_);
+impl_->gtest_trace_stack().push_back(trace);
+}
+// Pops a trace from the per-thread Google Test trace stack.
+void UnitTest::PopGTestTrace()
+GTEST_LOCK_EXCLUDED_(mutex_) {
+internal::MutexLock lock(&mutex_);
+impl_->gtest_trace_stack().pop_back();
+}
+namespace internal {
+UnitTestImpl::UnitTestImpl(UnitTest* parent)
+: parent_(parent),
+#ifdef _MSC_VER
+# pragma warning(push)                    // Saves the current warning state.
+# pragma warning(disable:4355)            // Temporarily disables warning 4355
+// (using this in initializer).
+default_global_test_part_result_reporter_(this),
+default_per_thread_test_part_result_reporter_(this),
+# pragma warning(pop)                     // Restores the warning state again.
+#else
+default_global_test_part_result_reporter_(this),
+default_per_thread_test_part_result_reporter_(this),
+#endif  // _MSC_VER
+global_test_part_result_repoter_(
+&default_global_test_part_result_reporter_),
+per_thread_test_part_result_reporter_(
+&default_per_thread_test_part_result_reporter_),
+#if GTEST_HAS_PARAM_TEST
+parameterized_test_registry_(),
+parameterized_tests_registered_(false),
+#endif  // GTEST_HAS_PARAM_TEST
+last_death_test_case_(-1),
+current_test_case_(NULL),
+current_test_info_(NULL),
+ad_hoc_test_result_(),
+os_stack_trace_getter_(NULL),
+post_flag_parse_init_performed_(false),
+random_seed_(0),  // Will be overridden by the flag before first use.
+random_(0),  // Will be reseeded before first use.
+start_timestamp_(0),
+elapsed_time_(0),
+#if GTEST_HAS_DEATH_TEST
+internal_run_death_test_flag_(NULL),
+death_test_factory_(new DefaultDeathTestFactory),
+#endif
+// Will be overridden by the flag before first use.
+catch_exceptions_(false) {
+listeners()->SetDefaultResultPrinter(new PrettyUnitTestResultPrinter);
+}
+UnitTestImpl::~UnitTestImpl() {
+// Deletes every TestCase.
+ForEach(test_cases_, internal::Delete<TestCase>);
+// Deletes every Environment.
+ForEach(environments_, internal::Delete<Environment>);
+delete os_stack_trace_getter_;
+}
+#if GTEST_HAS_DEATH_TEST
+// Disables event forwarding if the control is currently in a death test
+// subprocess. Must not be called before InitGoogleTest.
+void UnitTestImpl::SuppressTestEventsIfInSubprocess() {
+if (internal_run_death_test_flag_.get() != NULL)
+listeners()->SuppressEventForwarding();
+}
+#endif  // GTEST_HAS_DEATH_TEST
+// Initializes event listeners performing XML output as specified by
+// UnitTestOptions. Must not be called before InitGoogleTest.
+void UnitTestImpl::ConfigureXmlOutput() {
+const String& output_format = UnitTestOptions::GetOutputFormat();
+if (output_format == "xml") {
+listeners()->SetDefaultXmlGenerator(new XmlUnitTestResultPrinter(
+UnitTestOptions::GetAbsolutePathToOutputFile().c_str()));
+} else if (output_format != "") {
+printf("WARNING: unrecognized output format \"%s\" ignored.\n",
+output_format.c_str());
+fflush(stdout);
+}
+}
+#if GTEST_CAN_STREAM_RESULTS_
+// Initializes event listeners for streaming test results in String form.
+// Must not be called before InitGoogleTest.
+void UnitTestImpl::ConfigureStreamingOutput() {
+const string& target = GTEST_FLAG(stream_result_to);
+if (!target.empty()) {
+const size_t pos = target.find(':');
+if (pos != string::npos) {
+listeners()->Append(new StreamingListener(target.substr(0, pos),
+target.substr(pos+1)));
+} else {
+printf("WARNING: unrecognized streaming target \"%s\" ignored.\n",
+target.c_str());
+fflush(stdout);
+}
+}
+}
+#endif  // GTEST_CAN_STREAM_RESULTS_
+// Performs initialization dependent upon flag values obtained in
+// ParseGoogleTestFlagsOnly.  Is called from InitGoogleTest after the call to
+// ParseGoogleTestFlagsOnly.  In case a user neglects to call InitGoogleTest
+// this function is also called from RunAllTests.  Since this function can be
+// called more than once, it has to be idempotent.
+void UnitTestImpl::PostFlagParsingInit() {
+// Ensures that this function does not execute more than once.
+if (!post_flag_parse_init_performed_) {
+post_flag_parse_init_performed_ = true;
+#if GTEST_HAS_DEATH_TEST
+InitDeathTestSubprocessControlInfo();
+SuppressTestEventsIfInSubprocess();
+#endif  // GTEST_HAS_DEATH_TEST
+// Registers parameterized tests. This makes parameterized tests
+// available to the UnitTest reflection API without running
+// RUN_ALL_TESTS.
+RegisterParameterizedTests();
+// Configures listeners for XML output. This makes it possible for users
+// to shut down the default XML output before invoking RUN_ALL_TESTS.
+ConfigureXmlOutput();
+#if GTEST_CAN_STREAM_RESULTS_
+// Configures listeners for streaming test results to the specified server.
+ConfigureStreamingOutput();
+#endif  // GTEST_CAN_STREAM_RESULTS_
+}
+}
+// A predicate that checks the name of a TestCase against a known
+// value.
+//
+// This is used for implementation of the UnitTest class only.  We put
+// it in the anonymous namespace to prevent polluting the outer
+// namespace.
+//
+// TestCaseNameIs is copyable.
+class TestCaseNameIs {
+public:
+// Constructor.
+explicit TestCaseNameIs(const String& name)
+: name_(name) {}
+// Returns true iff the name of test_case matches name_.
+bool operator()(const TestCase* test_case) const {
+return test_case != NULL && strcmp(test_case->name(), name_.c_str()) == 0;
+}
+private:
+String name_;
+};
+// Finds and returns a TestCase with the given name.  If one doesn't
+// exist, creates one and returns it.  It's the CALLER'S
+// RESPONSIBILITY to ensure that this function is only called WHEN THE
+// TESTS ARE NOT SHUFFLED.
+//
+// Arguments:
+//
+//   test_case_name: name of the test case
+//   type_param:     the name of the test case's type parameter, or NULL if
+//                   this is not a typed or a type-parameterized test case.
+//   set_up_tc:      pointer to the function that sets up the test case
+//   tear_down_tc:   pointer to the function that tears down the test case
+TestCase* UnitTestImpl::GetTestCase(const char* test_case_name,
+const char* type_param,
+Test::SetUpTestCaseFunc set_up_tc,
+Test::TearDownTestCaseFunc tear_down_tc) {
+// Can we find a TestCase with the given name?
+const std::vector<TestCase*>::const_iterator test_case =
+std::find_if(test_cases_.begin(), test_cases_.end(),
+TestCaseNameIs(test_case_name));
+if (test_case != test_cases_.end())
+return *test_case;
+// No.  Let's create one.
+TestCase* const new_test_case =
+new TestCase(test_case_name, type_param, set_up_tc, tear_down_tc);
+// Is this a death test case?
+if (internal::UnitTestOptions::MatchesFilter(String(test_case_name),
+kDeathTestCaseFilter)) {
+// Yes.  Inserts the test case after the last death test case
+// defined so far.  This only works when the test cases haven't
+// been shuffled.  Otherwise we may end up running a death test
+// after a non-death test.
+++last_death_test_case_;
+test_cases_.insert(test_cases_.begin() + last_death_test_case_,
+new_test_case);
+} else {
+// No.  Appends to the end of the list.
+test_cases_.push_back(new_test_case);
+}
+test_case_indices_.push_back(static_cast<int>(test_case_indices_.size()));
+return new_test_case;
+}
+// Helpers for setting up / tearing down the given environment.  They
+// are for use in the ForEach() function.
+static void SetUpEnvironment(Environment* env) { env->SetUp(); }
+static void TearDownEnvironment(Environment* env) { env->TearDown(); }
+// Runs all tests in this UnitTest object, prints the result, and
+// returns true if all tests are successful.  If any exception is
+// thrown during a test, the test is considered to be failed, but the
+// rest of the tests will still be run.
+//
+// When parameterized tests are enabled, it expands and registers
+// parameterized tests first in RegisterParameterizedTests().
+// All other functions called from RunAllTests() may safely assume that
+// parameterized tests are ready to be counted and run.
+bool UnitTestImpl::RunAllTests() {
+// Makes sure InitGoogleTest() was called.
+if (!GTestIsInitialized()) {
+printf("%s",
+"\nThis test program did NOT call ::testing::InitGoogleTest "
+"before calling RUN_ALL_TESTS().  Please fix it.\n");
+return false;
+}
+// Do not run any test if the --help flag was specified.
+if (g_help_flag)
+return true;
+// Repeats the call to the post-flag parsing initialization in case the
+// user didn't call InitGoogleTest.
+PostFlagParsingInit();
+// Even if sharding is not on, test runners may want to use the
+// GTEST_SHARD_STATUS_FILE to query whether the test supports the sharding
+// protocol.
+internal::WriteToShardStatusFileIfNeeded();
+// True iff we are in a subprocess for running a thread-safe-style
+// death test.
+bool in_subprocess_for_death_test = false;
+#if GTEST_HAS_DEATH_TEST
+in_subprocess_for_death_test = (internal_run_death_test_flag_.get() != NULL);
+#endif  // GTEST_HAS_DEATH_TEST
+const bool should_shard = ShouldShard(kTestTotalShards, kTestShardIndex,
+in_subprocess_for_death_test);
+// Compares the full test names with the filter to decide which
+// tests to run.
+const bool has_tests_to_run = FilterTests(should_shard
+? HONOR_SHARDING_PROTOCOL
+: IGNORE_SHARDING_PROTOCOL) > 0;
+// Lists the tests and exits if the --gtest_list_tests flag was specified.
+if (GTEST_FLAG(list_tests)) {
+// This must be called *after* FilterTests() has been called.
+ListTestsMatchingFilter();
+return true;
+}
+random_seed_ = GTEST_FLAG(shuffle) ?
+GetRandomSeedFromFlag(GTEST_FLAG(random_seed)) : 0;
+// True iff at least one test has failed.
+bool failed = false;
+TestEventListener* repeater = listeners()->repeater();
+start_timestamp_ = GetTimeInMillis();
+repeater->OnTestProgramStart(*parent_);
+// How many times to repeat the tests?  We don't want to repeat them
+// when we are inside the subprocess of a death test.
+const int repeat = in_subprocess_for_death_test ? 1 : GTEST_FLAG(repeat);
+// Repeats forever if the repeat count is negative.
+const bool forever = repeat < 0;
+for (int i = 0; forever || i != repeat; i++) {
+// We want to preserve failures generated by ad-hoc test
+// assertions executed before RUN_ALL_TESTS().
+ClearNonAdHocTestResult();
+const TimeInMillis start = GetTimeInMillis();
+// Shuffles test cases and tests if requested.
+if (has_tests_to_run && GTEST_FLAG(shuffle)) {
+random()->Reseed(random_seed_);
+// This should be done before calling OnTestIterationStart(),
+// such that a test event listener can see the actual test order
+// in the event.
+ShuffleTests();
+}
+// Tells the unit test event listeners that the tests are about to start.
+repeater->OnTestIterationStart(*parent_, i);
+// Runs each test case if there is at least one test to run.
+if (has_tests_to_run) {
+// Sets up all environments beforehand.
+repeater->OnEnvironmentsSetUpStart(*parent_);
+ForEach(environments_, SetUpEnvironment);
+repeater->OnEnvironmentsSetUpEnd(*parent_);
+// Runs the tests only if there was no fatal failure during global
+// set-up.
+if (!Test::HasFatalFailure()) {
+for (int test_index = 0; test_index < total_test_case_count();
+test_index++) {
+GetMutableTestCase(test_index)->Run();
+}
+}
+// Tears down all environments in reverse order afterwards.
+repeater->OnEnvironmentsTearDownStart(*parent_);
+std::for_each(environments_.rbegin(), environments_.rend(),
+TearDownEnvironment);
+repeater->OnEnvironmentsTearDownEnd(*parent_);
+}
+elapsed_time_ = GetTimeInMillis() - start;
+// Tells the unit test event listener that the tests have just finished.
+repeater->OnTestIterationEnd(*parent_, i);
+// Gets the result and clears it.
+if (!Passed()) {
+failed = true;
+}
+// Restores the original test order after the iteration.  This
+// allows the user to quickly repro a failure that happens in the
+// N-th iteration without repeating the first (N - 1) iterations.
+// This is not enclosed in "if (GTEST_FLAG(shuffle)) { ... }", in
+// case the user somehow changes the value of the flag somewhere
+// (it's always safe to unshuffle the tests).
+UnshuffleTests();
+if (GTEST_FLAG(shuffle)) {
+// Picks a new random seed for each iteration.
+random_seed_ = GetNextRandomSeed(random_seed_);
+}
+}
+repeater->OnTestProgramEnd(*parent_);
+return !failed;
+}
+// Reads the GTEST_SHARD_STATUS_FILE environment variable, and creates the file
+// if the variable is present. If a file already exists at this location, this
+// function will write over it. If the variable is present, but the file cannot
+// be created, prints an error and exits.
+void WriteToShardStatusFileIfNeeded() {
+const char* const test_shard_file = posix::GetEnv(kTestShardStatusFile);
+if (test_shard_file != NULL) {
+FILE* const file = posix::FOpen(test_shard_file, "w");
+if (file == NULL) {
+ColoredPrintf(COLOR_RED,
+"Could not write to the test shard status file \"%s\" "
+"specified by the %s environment variable.\n",
+test_shard_file, kTestShardStatusFile);
+fflush(stdout);
+exit(EXIT_FAILURE);
+}
+fclose(file);
+}
+}
+// Checks whether sharding is enabled by examining the relevant
+// environment variable values. If the variables are present,
+// but inconsistent (i.e., shard_index >= total_shards), prints
+// an error and exits. If in_subprocess_for_death_test, sharding is
+// disabled because it must only be applied to the original test
+// process. Otherwise, we could filter out death tests we intended to execute.
+bool ShouldShard(const char* total_shards_env,
+const char* shard_index_env,
+bool in_subprocess_for_death_test) {
+if (in_subprocess_for_death_test) {
+return false;
+}
+const Int32 total_shards = Int32FromEnvOrDie(total_shards_env, -1);
+const Int32 shard_index = Int32FromEnvOrDie(shard_index_env, -1);
+if (total_shards == -1 && shard_index == -1) {
+return false;
+} else if (total_shards == -1 && shard_index != -1) {
+const Message msg = Message()
+<< "Invalid environment variables: you have "
+<< kTestShardIndex << " = " << shard_index
+<< ", but have left " << kTestTotalShards << " unset.\n";
+ColoredPrintf(COLOR_RED, msg.GetString().c_str());
+fflush(stdout);
+exit(EXIT_FAILURE);
+} else if (total_shards != -1 && shard_index == -1) {
+const Message msg = Message()
+<< "Invalid environment variables: you have "
+<< kTestTotalShards << " = " << total_shards
+<< ", but have left " << kTestShardIndex << " unset.\n";
+ColoredPrintf(COLOR_RED, msg.GetString().c_str());
+fflush(stdout);
+exit(EXIT_FAILURE);
+} else if (shard_index < 0 || shard_index >= total_shards) {
+const Message msg = Message()
+<< "Invalid environment variables: we require 0 <= "
+<< kTestShardIndex << " < " << kTestTotalShards
+<< ", but you have " << kTestShardIndex << "=" << shard_index
+<< ", " << kTestTotalShards << "=" << total_shards << ".\n";
+ColoredPrintf(COLOR_RED, msg.GetString().c_str());
+fflush(stdout);
+exit(EXIT_FAILURE);
+}
+return total_shards > 1;
+}
+// Parses the environment variable var as an Int32. If it is unset,
+// returns default_val. If it is not an Int32, prints an error
+// and aborts.
+Int32 Int32FromEnvOrDie(const char* var, Int32 default_val) {
+const char* str_val = posix::GetEnv(var);
+if (str_val == NULL) {
+return default_val;
+}
+Int32 result;
+if (!ParseInt32(Message() << "The value of environment variable " << var,
+str_val, &result)) {
+exit(EXIT_FAILURE);
+}
+return result;
+}
+// Given the total number of shards, the shard index, and the test id,
+// returns true iff the test should be run on this shard. The test id is
+// some arbitrary but unique non-negative integer assigned to each test
+// method. Assumes that 0 <= shard_index < total_shards.
+bool ShouldRunTestOnShard(int total_shards, int shard_index, int test_id) {
+return (test_id % total_shards) == shard_index;
+}
+// Compares the name of each test with the user-specified filter to
+// decide whether the test should be run, then records the result in
+// each TestCase and TestInfo object.
+// If shard_tests == true, further filters tests based on sharding
+// variables in the environment - see
+// http://code.google.com/p/googletest/wiki/GoogleTestAdvancedGuide.
+// Returns the number of tests that should run.
+int UnitTestImpl::FilterTests(ReactionToSharding shard_tests) {
+const Int32 total_shards = shard_tests == HONOR_SHARDING_PROTOCOL ?
+Int32FromEnvOrDie(kTestTotalShards, -1) : -1;
+const Int32 shard_index = shard_tests == HONOR_SHARDING_PROTOCOL ?
+Int32FromEnvOrDie(kTestShardIndex, -1) : -1;
+// num_runnable_tests are the number of tests that will
+// run across all shards (i.e., match filter and are not disabled).
+// num_selected_tests are the number of tests to be run on
+// this shard.
+int num_runnable_tests = 0;
+int num_selected_tests = 0;
+for (size_t i = 0; i < test_cases_.size(); i++) {
+TestCase* const test_case = test_cases_[i];
+const String &test_case_name = test_case->name();
+test_case->set_should_run(false);
+for (size_t j = 0; j < test_case->test_info_list().size(); j++) {
+TestInfo* const test_info = test_case->test_info_list()[j];
+const String test_name(test_info->name());
+// A test is disabled if test case name or test name matches
+// kDisableTestFilter.
+const bool is_disabled =
+internal::UnitTestOptions::MatchesFilter(test_case_name,
+kDisableTestFilter) ||
+internal::UnitTestOptions::MatchesFilter(test_name,
+kDisableTestFilter);
+test_info->is_disabled_ = is_disabled;
+const bool matches_filter =
+internal::UnitTestOptions::FilterMatchesTest(test_case_name,
+test_name);
+test_info->matches_filter_ = matches_filter;
+const bool is_runnable =
+(GTEST_FLAG(also_run_disabled_tests) || !is_disabled) &&
+matches_filter;
+const bool is_selected = is_runnable &&
+(shard_tests == IGNORE_SHARDING_PROTOCOL ||
+ShouldRunTestOnShard(total_shards, shard_index,
+num_runnable_tests));
+num_runnable_tests += is_runnable;
+num_selected_tests += is_selected;
+test_info->should_run_ = is_selected;
+test_case->set_should_run(test_case->should_run() || is_selected);
+}
+}
+return num_selected_tests;
+}
+// Prints the names of the tests matching the user-specified filter flag.
+void UnitTestImpl::ListTestsMatchingFilter() {
+for (size_t i = 0; i < test_cases_.size(); i++) {
+const TestCase* const test_case = test_cases_[i];
+bool printed_test_case_name = false;
+for (size_t j = 0; j < test_case->test_info_list().size(); j++) {
+const TestInfo* const test_info =
+test_case->test_info_list()[j];
+if (test_info->matches_filter_) {
+if (!printed_test_case_name) {
+printed_test_case_name = true;
+printf("%s.\n", test_case->name());
+}
+printf("  %s\n", test_info->name());
+}
+}
+}
+fflush(stdout);
+}
+// Sets the OS stack trace getter.
+//
+// Does nothing if the input and the current OS stack trace getter are
+// the same; otherwise, deletes the old getter and makes the input the
+// current getter.
+void UnitTestImpl::set_os_stack_trace_getter(
+OsStackTraceGetterInterface* getter) {
+if (os_stack_trace_getter_ != getter) {
+delete os_stack_trace_getter_;
+os_stack_trace_getter_ = getter;
+}
+}
+// Returns the current OS stack trace getter if it is not NULL;
+// otherwise, creates an OsStackTraceGetter, makes it the current
+// getter, and returns it.
+OsStackTraceGetterInterface* UnitTestImpl::os_stack_trace_getter() {
+if (os_stack_trace_getter_ == NULL) {
+os_stack_trace_getter_ = new OsStackTraceGetter;
+}
+return os_stack_trace_getter_;
+}
+// Returns the TestResult for the test that's currently running, or
+// the TestResult for the ad hoc test if no test is running.
+TestResult* UnitTestImpl::current_test_result() {
+return current_test_info_ ?
+&(current_test_info_->result_) : &ad_hoc_test_result_;
+}
+// Shuffles all test cases, and the tests within each test case,
+// making sure that death tests are still run first.
+void UnitTestImpl::ShuffleTests() {
+// Shuffles the death test cases.
+ShuffleRange(random(), 0, last_death_test_case_ + 1, &test_case_indices_);
+// Shuffles the non-death test cases.
+ShuffleRange(random(), last_death_test_case_ + 1,
+static_cast<int>(test_cases_.size()), &test_case_indices_);
+// Shuffles the tests inside each test case.
+for (size_t i = 0; i < test_cases_.size(); i++) {
+test_cases_[i]->ShuffleTests(random());
+}
+}
+// Restores the test cases and tests to their order before the first shuffle.
+void UnitTestImpl::UnshuffleTests() {
+for (size_t i = 0; i < test_cases_.size(); i++) {
+// Unshuffles the tests in each test case.
+test_cases_[i]->UnshuffleTests();
+// Resets the index of each test case.
+test_case_indices_[i] = static_cast<int>(i);
+}
+}
+// Returns the current OS stack trace as a String.
+//
+// The maximum number of stack frames to be included is specified by
+// the gtest_stack_trace_depth flag.  The skip_count parameter
+// specifies the number of top frames to be skipped, which doesn't
+// count against the number of frames to be included.
+//
+// For example, if Foo() calls Bar(), which in turn calls
+// GetCurrentOsStackTraceExceptTop(..., 1), Foo() will be included in
+// the trace but Bar() and GetCurrentOsStackTraceExceptTop() won't.
+String GetCurrentOsStackTraceExceptTop(UnitTest* /*unit_test*/,
+int skip_count) {
+// We pass skip_count + 1 to skip this wrapper function in addition
+// to what the user really wants to skip.
+return GetUnitTestImpl()->CurrentOsStackTraceExceptTop(skip_count + 1);
+}
+// Used by the GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_ macro to
+// suppress unreachable code warnings.
+namespace {
+class ClassUniqueToAlwaysTrue {};
+}
+bool IsTrue(bool condition) { return condition; }
+bool AlwaysTrue() {
+#if GTEST_HAS_EXCEPTIONS
+// This condition is always false so AlwaysTrue() never actually throws,
+// but it makes the compiler think that it may throw.
+if (IsTrue(false))
+throw ClassUniqueToAlwaysTrue();
+#endif  // GTEST_HAS_EXCEPTIONS
+return true;
+}
+// If *pstr starts with the given prefix, modifies *pstr to be right
+// past the prefix and returns true; otherwise leaves *pstr unchanged
+// and returns false.  None of pstr, *pstr, and prefix can be NULL.
+bool SkipPrefix(const char* prefix, const char** pstr) {
+const size_t prefix_len = strlen(prefix);
+if (strncmp(*pstr, prefix, prefix_len) == 0) {
+*pstr += prefix_len;
+return true;
+}
+return false;
+}
+// Parses a string as a command line flag.  The string should have
+// the format "--flag=value".  When def_optional is true, the "=value"
+// part can be omitted.
+//
+// Returns the value of the flag, or NULL if the parsing failed.
+const char* ParseFlagValue(const char* str,
+const char* flag,
+bool def_optional) {
+// str and flag must not be NULL.
+if (str == NULL || flag == NULL) return NULL;
+// The flag must start with "--" followed by GTEST_FLAG_PREFIX_.
+const String flag_str = String::Format("--%s%s", GTEST_FLAG_PREFIX_, flag);
+const size_t flag_len = flag_str.length();
+if (strncmp(str, flag_str.c_str(), flag_len) != 0) return NULL;
+// Skips the flag name.
+const char* flag_end = str + flag_len;
+// When def_optional is true, it's OK to not have a "=value" part.
+if (def_optional && (flag_end[0] == '\0')) {
+return flag_end;
+}
+// If def_optional is true and there are more characters after the
+// flag name, or if def_optional is false, there must be a '=' after
+// the flag name.
+if (flag_end[0] != '=') return NULL;
+// Returns the string after "=".
+return flag_end + 1;
+}
+// Parses a string for a bool flag, in the form of either
+// "--flag=value" or "--flag".
+//
+// In the former case, the value is taken as true as long as it does
+// not start with '0', 'f', or 'F'.
+//
+// In the latter case, the value is taken as true.
+//
+// On success, stores the value of the flag in *value, and returns
+// true.  On failure, returns false without changing *value.
+bool ParseBoolFlag(const char* str, const char* flag, bool* value) {
+// Gets the value of the flag as a string.
+const char* const value_str = ParseFlagValue(str, flag, true);
+// Aborts if the parsing failed.
+if (value_str == NULL) return false;
+// Converts the string value to a bool.
+*value = !(*value_str == '0' || *value_str == 'f' || *value_str == 'F');
+return true;
+}
+// Parses a string for an Int32 flag, in the form of
+// "--flag=value".
+//
+// On success, stores the value of the flag in *value, and returns
+// true.  On failure, returns false without changing *value.
+bool ParseInt32Flag(const char* str, const char* flag, Int32* value) {
+// Gets the value of the flag as a string.
+const char* const value_str = ParseFlagValue(str, flag, false);
+// Aborts if the parsing failed.
+if (value_str == NULL) return false;
+// Sets *value to the value of the flag.
+return ParseInt32(Message() << "The value of flag --" << flag,
+value_str, value);
+}
+// Parses a string for a string flag, in the form of
+// "--flag=value".
+//
+// On success, stores the value of the flag in *value, and returns
+// true.  On failure, returns false without changing *value.
+bool ParseStringFlag(const char* str, const char* flag, String* value) {
+// Gets the value of the flag as a string.
+const char* const value_str = ParseFlagValue(str, flag, false);
+// Aborts if the parsing failed.
+if (value_str == NULL) return false;
+// Sets *value to the value of the flag.
+*value = value_str;
+return true;
+}
+// Determines whether a string has a prefix that Google Test uses for its
+// flags, i.e., starts with GTEST_FLAG_PREFIX_ or GTEST_FLAG_PREFIX_DASH_.
+// If Google Test detects that a command line flag has its prefix but is not
+// recognized, it will print its help message. Flags starting with
+// GTEST_INTERNAL_PREFIX_ followed by "internal_" are considered Google Test
+// internal flags and do not trigger the help message.
+static bool HasGoogleTestFlagPrefix(const char* str) {
+return (SkipPrefix("--", &str) ||
+SkipPrefix("-", &str) ||
+SkipPrefix("/", &str)) &&
+!SkipPrefix(GTEST_FLAG_PREFIX_ "internal_", &str) &&
+(SkipPrefix(GTEST_FLAG_PREFIX_, &str) ||
+SkipPrefix(GTEST_FLAG_PREFIX_DASH_, &str));
+}
+// Prints a string containing code-encoded text.  The following escape
+// sequences can be used in the string to control the text color:
+//
+//   @@    prints a single '@' character.
+//   @R    changes the color to red.
+//   @G    changes the color to green.
+//   @Y    changes the color to yellow.
+//   @D    changes to the default terminal text color.
+//
+// TODO(wan@google.com): Write tests for this once we add stdout
+// capturing to Google Test.
+static void PrintColorEncoded(const char* str) {
+GTestColor color = COLOR_DEFAULT;  // The current color.
+// Conceptually, we split the string into segments divided by escape
+// sequences.  Then we print one segment at a time.  At the end of
+// each iteration, the str pointer advances to the beginning of the
+// next segment.
+for (;;) {
+const char* p = strchr(str, '@');
+if (p == NULL) {
+ColoredPrintf(color, "%s", str);
+return;
+}
+ColoredPrintf(color, "%s", String(str, p - str).c_str());
+const char ch = p[1];
+str = p + 2;
+if (ch == '@') {
+ColoredPrintf(color, "@");
+} else if (ch == 'D') {
+color = COLOR_DEFAULT;
+} else if (ch == 'R') {
+color = COLOR_RED;
+} else if (ch == 'G') {
+color = COLOR_GREEN;
+} else if (ch == 'Y') {
+color = COLOR_YELLOW;
+} else {
+--str;
+}
+}
+}
+static const char kColorEncodedHelpMessage[] =
+"This program contains tests written using " GTEST_NAME_ ". You can use the\n"
+"following command line flags to control its behavior:\n"
+"\n"
+"Test Selection:\n"
+"  @G--" GTEST_FLAG_PREFIX_ "list_tests@D\n"
+"      List the names of all tests instead of running them. The name of\n"
+"      TEST(Foo, Bar) is \"Foo.Bar\".\n"
+"  @G--" GTEST_FLAG_PREFIX_ "filter=@YPOSTIVE_PATTERNS"
+"[@G-@YNEGATIVE_PATTERNS]@D\n"
+"      Run only the tests whose name matches one of the positive patterns but\n"
+"      none of the negative patterns. '?' matches any single character; '*'\n"
+"      matches any substring; ':' separates two patterns.\n"
+"  @G--" GTEST_FLAG_PREFIX_ "also_run_disabled_tests@D\n"
+"      Run all disabled tests too.\n"
+"\n"
+"Test Execution:\n"
+"  @G--" GTEST_FLAG_PREFIX_ "repeat=@Y[COUNT]@D\n"
+"      Run the tests repeatedly; use a negative count to repeat forever.\n"
+"  @G--" GTEST_FLAG_PREFIX_ "shuffle@D\n"
+"      Randomize tests' orders on every iteration.\n"
+"  @G--" GTEST_FLAG_PREFIX_ "random_seed=@Y[NUMBER]@D\n"
+"      Random number seed to use for shuffling test orders (between 1 and\n"
+"      99999, or 0 to use a seed based on the current time).\n"
+"\n"
+"Test Output:\n"
+"  @G--" GTEST_FLAG_PREFIX_ "color=@Y(@Gyes@Y|@Gno@Y|@Gauto@Y)@D\n"
+"      Enable/disable colored output. The default is @Gauto@D.\n"
+"  -@G-" GTEST_FLAG_PREFIX_ "print_time=0@D\n"
+"      Don't print the elapsed time of each test.\n"
+"  @G--" GTEST_FLAG_PREFIX_ "output=xml@Y[@G:@YDIRECTORY_PATH@G"
+GTEST_PATH_SEP_ "@Y|@G:@YFILE_PATH]@D\n"
+"      Generate an XML report in the given directory or with the given file\n"
+"      name. @YFILE_PATH@D defaults to @Gtest_details.xml@D.\n"
+#if GTEST_CAN_STREAM_RESULTS_
+"  @G--" GTEST_FLAG_PREFIX_ "stream_result_to=@YHOST@G:@YPORT@D\n"
+"      Stream test results to the given server.\n"
+#endif  // GTEST_CAN_STREAM_RESULTS_
+"\n"
+"Assertion Behavior:\n"
+#if GTEST_HAS_DEATH_TEST && !GTEST_OS_WINDOWS
+"  @G--" GTEST_FLAG_PREFIX_ "death_test_style=@Y(@Gfast@Y|@Gthreadsafe@Y)@D\n"
+"      Set the default death test style.\n"
+#endif  // GTEST_HAS_DEATH_TEST && !GTEST_OS_WINDOWS
+"  @G--" GTEST_FLAG_PREFIX_ "break_on_failure@D\n"
+"      Turn assertion failures into debugger break-points.\n"
+"  @G--" GTEST_FLAG_PREFIX_ "throw_on_failure@D\n"
+"      Turn assertion failures into C++ exceptions.\n"
+"  @G--" GTEST_FLAG_PREFIX_ "catch_exceptions=0@D\n"
+"      Do not report exceptions as test failures. Instead, allow them\n"
+"      to crash the program or throw a pop-up (on Windows).\n"
+"\n"
+"Except for @G--" GTEST_FLAG_PREFIX_ "list_tests@D, you can alternatively set "
+"the corresponding\n"
+"environment variable of a flag (all letters in upper-case). For example, to\n"
+"disable colored text output, you can either specify @G--" GTEST_FLAG_PREFIX_
+"color=no@D or set\n"
+"the @G" GTEST_FLAG_PREFIX_UPPER_ "COLOR@D environment variable to @Gno@D.\n"
+"\n"
+"For more information, please read the " GTEST_NAME_ " documentation at\n"
+"@G" GTEST_PROJECT_URL_ "@D. If you find a bug in " GTEST_NAME_ "\n"
+"(not one in your own code or tests), please report it to\n"
+"@G<" GTEST_DEV_EMAIL_ ">@D.\n";
+// Parses the command line for Google Test flags, without initializing
+// other parts of Google Test.  The type parameter CharType can be
+// instantiated to either char or wchar_t.
+template <typename CharType>
+void ParseGoogleTestFlagsOnlyImpl(int* argc, CharType** argv) {
+for (int i = 1; i < *argc; i++) {
+const String arg_string = StreamableToString(argv[i]);
+const char* const arg = arg_string.c_str();
+using internal::ParseBoolFlag;
+using internal::ParseInt32Flag;
+using internal::ParseStringFlag;
+// Do we see a Google Test flag?
+if (ParseBoolFlag(arg, kAlsoRunDisabledTestsFlag,
+&GTEST_FLAG(also_run_disabled_tests)) ||
+ParseBoolFlag(arg, kBreakOnFailureFlag,
+&GTEST_FLAG(break_on_failure)) ||
+ParseBoolFlag(arg, kCatchExceptionsFlag,
+&GTEST_FLAG(catch_exceptions)) ||
+ParseStringFlag(arg, kColorFlag, &GTEST_FLAG(color)) ||
+ParseStringFlag(arg, kDeathTestStyleFlag,
+&GTEST_FLAG(death_test_style)) ||
+ParseBoolFlag(arg, kDeathTestUseFork,
+&GTEST_FLAG(death_test_use_fork)) ||
+ParseStringFlag(arg, kFilterFlag, &GTEST_FLAG(filter)) ||
+ParseStringFlag(arg, kInternalRunDeathTestFlag,
+&GTEST_FLAG(internal_run_death_test)) ||
+ParseBoolFlag(arg, kListTestsFlag, &GTEST_FLAG(list_tests)) ||
+ParseStringFlag(arg, kOutputFlag, &GTEST_FLAG(output)) ||
+ParseBoolFlag(arg, kPrintTimeFlag, &GTEST_FLAG(print_time)) ||
+ParseInt32Flag(arg, kRandomSeedFlag, &GTEST_FLAG(random_seed)) ||
+ParseInt32Flag(arg, kRepeatFlag, &GTEST_FLAG(repeat)) ||
+ParseBoolFlag(arg, kShuffleFlag, &GTEST_FLAG(shuffle)) ||
+ParseInt32Flag(arg, kStackTraceDepthFlag,
+&GTEST_FLAG(stack_trace_depth)) ||
+ParseStringFlag(arg, kStreamResultToFlag,
+&GTEST_FLAG(stream_result_to)) ||
+ParseBoolFlag(arg, kThrowOnFailureFlag,
+&GTEST_FLAG(throw_on_failure))
+) {
+// Yes.  Shift the remainder of the argv list left by one.  Note
+// that argv has (*argc + 1) elements, the last one always being
+// NULL.  The following loop moves the trailing NULL element as
+// well.
+for (int j = i; j != *argc; j++) {
+argv[j] = argv[j + 1];
+}
+// Decrements the argument count.
+(*argc)--;
+// We also need to decrement the iterator as we just removed
+// an element.
+i--;
+} else if (arg_string == "--help" || arg_string == "-h" ||
+arg_string == "-?" || arg_string == "/?" ||
+HasGoogleTestFlagPrefix(arg)) {
+// Both help flag and unrecognized Google Test flags (excluding
+// internal ones) trigger help display.
+g_help_flag = true;
+}
+}
+if (g_help_flag) {
+// We print the help here instead of in RUN_ALL_TESTS(), as the
+// latter may not be called at all if the user is using Google
+// Test with another testing framework.
+PrintColorEncoded(kColorEncodedHelpMessage);
+}
+}
+// Parses the command line for Google Test flags, without initializing
+// other parts of Google Test.
+void ParseGoogleTestFlagsOnly(int* argc, char** argv) {
+ParseGoogleTestFlagsOnlyImpl(argc, argv);
+}
+void ParseGoogleTestFlagsOnly(int* argc, wchar_t** argv) {
+ParseGoogleTestFlagsOnlyImpl(argc, argv);
+}
+// The internal implementation of InitGoogleTest().
+//
+// The type parameter CharType can be instantiated to either char or
+// wchar_t.
+template <typename CharType>
+void InitGoogleTestImpl(int* argc, CharType** argv) {
+g_init_gtest_count++;
+// We don't want to run the initialization code twice.
+if (g_init_gtest_count != 1) return;
+if (*argc <= 0) return;
+internal::g_executable_path = internal::StreamableToString(argv[0]);
+#if GTEST_HAS_DEATH_TEST
+g_argvs.clear();
+for (int i = 0; i != *argc; i++) {
+g_argvs.push_back(StreamableToString(argv[i]));
+}
+#endif  // GTEST_HAS_DEATH_TEST
+ParseGoogleTestFlagsOnly(argc, argv);
+GetUnitTestImpl()->PostFlagParsingInit();
+}
+}  // namespace internal
+// Initializes Google Test.  This must be called before calling
+// RUN_ALL_TESTS().  In particular, it parses a command line for the
+// flags that Google Test recognizes.  Whenever a Google Test flag is
+// seen, it is removed from argv, and *argc is decremented.
+//
+// No value is returned.  Instead, the Google Test flag variables are
+// updated.
+//
+// Calling the function for the second time has no user-visible effect.
+void InitGoogleTest(int* argc, char** argv) {
+internal::InitGoogleTestImpl(argc, argv);
+}
+// This overloaded version can be used in Windows programs compiled in
+// UNICODE mode.
+void InitGoogleTest(int* argc, wchar_t** argv) {
+internal::InitGoogleTestImpl(argc, argv);
+}
+}  // namespace testing

The Tor Browser / file comparison

comparison: media/webrtc/trunk/testing/gtest/src/gtest.cc

media/webrtc/trunk/testing/gtest/src/gtest.cc