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// 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.
std::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.
std::string UnitTestOptions::GetOutputFormat() {
const char* const gtest_output_flag = GTEST_FLAG(output).c_str();
if (gtest_output_flag == NULL) return std::string("");
const char* const colon = strchr(gtest_output_flag, ':');
return (colon == NULL) ?
std::string(gtest_output_flag) :
std::string(gtest_output_flag, colon - gtest_output_flag);
}
// Returns the name of the requested output file, or the default if none
// was explicitly specified.
std::string UnitTestOptions::GetAbsolutePathToOutputFile() {
const char* const gtest_output_flag = GTEST_FLAG(output).c_str();
if (gtest_output_flag == NULL)
return "";
const char* const colon = strchr(gtest_output_flag, ':');
if (colon == NULL)
return internal::FilePath::ConcatPaths(
internal::FilePath(
UnitTest::GetInstance()->original_working_dir()),
internal::FilePath(kDefaultOutputFile)).string();
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.string();
internal::FilePath result(internal::FilePath::GenerateUniqueFileName(
output_name, internal::GetCurrentExecutableName(),
GetOutputFormat().c_str()));
return result.string();
}
// 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 std::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++;
}
}
// Returns true iff the user-specified filter matches the test case
// name and the test name.
bool UnitTestOptions::FilterMatchesTest(const std::string &test_case_name,
const std::string &test_name) {
const std::string& full_name = test_case_name + "." + 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, '-');
std::string positive;
std::string negative;
if (dash == NULL) {
positive = GTEST_FLAG(filter).c_str(); // Whole string is a positive filter
negative = "";
} else {
positive = std::string(p, dash); // Everything up to the dash
negative = std::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 std::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 an std::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.
std::string UnitTestImpl::CurrentOsStackTraceExceptTop(int skip_count) {
(void)skip_count;
return "";
}
// 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.
#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) {
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 std::string& expected_value,
const std::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.
std::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;
// 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 std::string error_hex("0x" + String::FormatHexInt(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.
// 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 converted
// to "(Invalid Unicode 0xXXXXXXXX)".
std::string CodePointToUtf8(UInt32 code_point) {
if (code_point > kMaxCodePoint4) {
return "(Invalid Unicode 0x" + String::FormatHexInt(code_point) + ")";
}
char str[5]; // Big enough for the largest valid code point.
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 { // 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
}
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.
std::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]);
}
stream << CodePointToUtf8(unicode_code_point);
}
return StringStreamToString(&stream);
}
// Converts a wide C string to an std::string using the UTF-8 encoding.
// NULL will be converted to "(null)".
std::string String::ShowWideCString(const wchar_t * wide_c_str) {
if (wide_c_str == NULL) return "(null)";
return internal::WideStringToUtf8(wide_c_str, -1);
}
// 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
}
// Returns true iff str ends with the given suffix, ignoring case.
// Any string is considered to end with an empty suffix.
bool String::EndsWithCaseInsensitive(
const std::string& str, const std::string& suffix) {
const size_t str_len = str.length();
const size_t suffix_len = suffix.length();
return (str_len >= suffix_len) &&
CaseInsensitiveCStringEquals(str.c_str() + str_len - suffix_len,
suffix.c_str());
}
// Formats an int value as "%02d".
std::string String::FormatIntWidth2(int value) {
std::stringstream ss;
ss << std::setfill('0') << std::setw(2) << value;
return ss.str();
}
// Formats an int value as "%X".
std::string String::FormatHexInt(int value) {
std::stringstream ss;
ss << std::hex << std::uppercase << value;
return ss.str();
}
// Formats a byte as "%02X".
std::string String::FormatByte(unsigned char value) {
std::stringstream ss;
ss << std::setfill('0') << std::setw(2) << std::hex << std::uppercase
<< static_cast<unsigned int>(value);
return ss.str();
}
// Converts the buffer in a stringstream to an std::string, converting NUL
// bytes to "\\0" along the way.
std::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();
std::string result;
result.reserve(2 * (end - start));
for (const char* ch = start; ch != end; ++ch) {
if (*ch == '\0') {
result += "\\0"; // Replaces NUL with "\\0";
} else {
result += *ch;
}
}
return result;
}
// Appends the user-supplied message to the Google-Test-generated message.
std::string AppendUserMessage(const std::string& gtest_msg,
const Message& user_msg) {
// Appends the user message if it's non-empty.
const std::string user_msg_string = user_msg.GetString();
if (user_msg_string.empty()) {
return gtest_msg;
}
return gtest_msg + "\n" + user_msg_string;
}
} // 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) {
const std::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 std::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,
""); // 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 std::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 std::string(message.GetString());
}
#endif // GTEST_HAS_SEH
namespace internal {
#if GTEST_HAS_EXCEPTIONS
// Adds an "exception thrown" fatal failure to the current test.
static std::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 std::string PrintTestPartResultToString(
const TestPartResult& test_part_result);
GoogleTestFailureException::GoogleTestFailureException(
const TestPartResult& failure)
: ::std::runtime_error(PrintTestPartResultToString(failure).c_str()) {}
#endif // GTEST_HAS_EXCEPTIONS
// 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).
std::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 internal::GoogleTestFailureException&) { // NOLINT
// This exception type can only be thrown by a failed Google
// Test assertion with the intention of letting another testing
// framework catch it. Therefore we just re-throw it.
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.
TestInfo::TestInfo(const std::string& a_test_case_name,
const std::string& 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 && test_info->name() == name_;
}
private:
std::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 std::string FormatCountableNoun(int count,
const char * singular_form,
const char * plural_form) {
return internal::StreamableToString(count) + " " +
(count == 1 ? singular_form : plural_form);
}
// Formats the count of tests.
static std::string FormatTestCount(int test_count) {
return FormatCountableNoun(test_count, "test", "tests");
}
// Formats the count of test cases.
static std::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";
}
}
namespace internal {
// Prints a TestPartResult to an std::string.
static std::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 std::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
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 (!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 std::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 std::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(),