// 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. // Utility functions and classes used by the Google C++ testing framework.// // This file contains purely Google Test's internal implementation. Please // DO NOT #INCLUDE IT IN A USER PROGRAM. #ifndef GOOGLETEST_SRC_GTEST_INTERNAL_INL_H_ #define GOOGLETEST_SRC_GTEST_INTERNAL_INL_H_ #ifndef _WIN32_WCE # include #endif // !_WIN32_WCE #include #include // For strtoll/_strtoul64/malloc/free. #include // For memmove. #include #include #include #include #include #include "gtest/internal/gtest-port.h" #if GTEST_CAN_STREAM_RESULTS_ # include // NOLINT # include // NOLINT #endif #if GTEST_OS_WINDOWS # include // NOLINT #endif // GTEST_OS_WINDOWS #include "gtest/gtest.h" #include "gtest/gtest-spi.h" GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \ /* class A needs to have dll-interface to be used by clients of class B */) // Declares the flags. // // We don't want the users to modify this flag in the code, but want // Google Test's own unit tests to be able to access it. Therefore we // declare it here as opposed to in gtest.h. GTEST_DECLARE_bool_(death_test_use_fork); namespace testing { namespace internal { // The value of GetTestTypeId() as seen from within the Google Test // library. This is solely for testing GetTestTypeId(). GTEST_API_ extern const TypeId kTestTypeIdInGoogleTest; // A valid random seed must be in [1, kMaxRandomSeed]. const int kMaxRandomSeed = 99999; // g_help_flag is true if and only if the --help flag or an equivalent form // is specified on the command line. GTEST_API_ extern bool g_help_flag; // Returns the current time in milliseconds. GTEST_API_ TimeInMillis GetTimeInMillis(); // Returns true if and only if Google Test should use colors in the output. GTEST_API_ bool ShouldUseColor(bool stdout_is_tty); // Formats the given time in milliseconds as seconds. GTEST_API_ std::string FormatTimeInMillisAsSeconds(TimeInMillis ms); // Converts the given time in milliseconds to a date string in the ISO 8601 // format, without the timezone information. N.B.: due to the use the // non-reentrant localtime() function, this function is not thread safe. Do // not use it in any code that can be called from multiple threads. GTEST_API_ std::string FormatEpochTimeInMillisAsIso8601(TimeInMillis ms); // 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. GTEST_API_ bool ParseFlag(const char* str, const char* flag, int32_t* value); // Returns a random seed in range [1, kMaxRandomSeed] based on the // given --gtest_random_seed flag value. inline int GetRandomSeedFromFlag(int32_t random_seed_flag) { const unsigned int raw_seed = (random_seed_flag == 0) ? static_cast(GetTimeInMillis()) : static_cast(random_seed_flag); // Normalizes the actual seed to range [1, kMaxRandomSeed] such that // it's easy to type. const int normalized_seed = static_cast((raw_seed - 1U) % static_cast(kMaxRandomSeed)) + 1; return normalized_seed; } // Returns the first valid random seed after 'seed'. The behavior is // undefined if 'seed' is invalid. The seed after kMaxRandomSeed is // considered to be 1. inline int GetNextRandomSeed(int seed) { GTEST_CHECK_(1 <= seed && seed <= kMaxRandomSeed) << "Invalid random seed " << seed << " - must be in [1, " << kMaxRandomSeed << "]."; const int next_seed = seed + 1; return (next_seed > kMaxRandomSeed) ? 1 : next_seed; } // This class saves the values of all Google Test flags in its c'tor, and // restores them in its d'tor. class GTestFlagSaver { public: // The c'tor. GTestFlagSaver() { also_run_disabled_tests_ = GTEST_FLAG_GET(also_run_disabled_tests); break_on_failure_ = GTEST_FLAG_GET(break_on_failure); catch_exceptions_ = GTEST_FLAG_GET(catch_exceptions); color_ = GTEST_FLAG_GET(color); death_test_style_ = GTEST_FLAG_GET(death_test_style); death_test_use_fork_ = GTEST_FLAG_GET(death_test_use_fork); fail_fast_ = GTEST_FLAG_GET(fail_fast); filter_ = GTEST_FLAG_GET(filter); internal_run_death_test_ = GTEST_FLAG_GET(internal_run_death_test); list_tests_ = GTEST_FLAG_GET(list_tests); output_ = GTEST_FLAG_GET(output); brief_ = GTEST_FLAG_GET(brief); print_time_ = GTEST_FLAG_GET(print_time); print_utf8_ = GTEST_FLAG_GET(print_utf8); random_seed_ = GTEST_FLAG_GET(random_seed); repeat_ = GTEST_FLAG_GET(repeat); recreate_environments_when_repeating_ = GTEST_FLAG_GET(recreate_environments_when_repeating); shuffle_ = GTEST_FLAG_GET(shuffle); stack_trace_depth_ = GTEST_FLAG_GET(stack_trace_depth); stream_result_to_ = GTEST_FLAG_GET(stream_result_to); throw_on_failure_ = GTEST_FLAG_GET(throw_on_failure); } // The d'tor is not virtual. DO NOT INHERIT FROM THIS CLASS. ~GTestFlagSaver() { GTEST_FLAG_SET(also_run_disabled_tests, also_run_disabled_tests_); GTEST_FLAG_SET(break_on_failure, break_on_failure_); GTEST_FLAG_SET(catch_exceptions, catch_exceptions_); GTEST_FLAG_SET(color, color_); GTEST_FLAG_SET(death_test_style, death_test_style_); GTEST_FLAG_SET(death_test_use_fork, death_test_use_fork_); GTEST_FLAG_SET(filter, filter_); GTEST_FLAG_SET(fail_fast, fail_fast_); GTEST_FLAG_SET(internal_run_death_test, internal_run_death_test_); GTEST_FLAG_SET(list_tests, list_tests_); GTEST_FLAG_SET(output, output_); GTEST_FLAG_SET(brief, brief_); GTEST_FLAG_SET(print_time, print_time_); GTEST_FLAG_SET(print_utf8, print_utf8_); GTEST_FLAG_SET(random_seed, random_seed_); GTEST_FLAG_SET(repeat, repeat_); GTEST_FLAG_SET(recreate_environments_when_repeating, recreate_environments_when_repeating_); GTEST_FLAG_SET(shuffle, shuffle_); GTEST_FLAG_SET(stack_trace_depth, stack_trace_depth_); GTEST_FLAG_SET(stream_result_to, stream_result_to_); GTEST_FLAG_SET(throw_on_failure, throw_on_failure_); } private: // Fields for saving the original values of flags. bool also_run_disabled_tests_; bool break_on_failure_; bool catch_exceptions_; std::string color_; std::string death_test_style_; bool death_test_use_fork_; bool fail_fast_; std::string filter_; std::string internal_run_death_test_; bool list_tests_; std::string output_; bool brief_; bool print_time_; bool print_utf8_; int32_t random_seed_; int32_t repeat_; bool recreate_environments_when_repeating_; bool shuffle_; int32_t stack_trace_depth_; std::string stream_result_to_; bool throw_on_failure_; } GTEST_ATTRIBUTE_UNUSED_; // 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)". GTEST_API_ std::string CodePointToUtf8(uint32_t code_point); // 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) // 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. GTEST_API_ std::string WideStringToUtf8(const wchar_t* str, int num_chars); // 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(); // Checks whether sharding is enabled by examining the relevant // environment variable values. If the variables are present, // but inconsistent (e.g., 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. GTEST_API_ bool ShouldShard(const char* total_shards_str, const char* shard_index_str, bool in_subprocess_for_death_test); // Parses the environment variable var as a 32-bit integer. If it is unset, // returns default_val. If it is not a 32-bit integer, prints an error and // and aborts. GTEST_API_ int32_t Int32FromEnvOrDie(const char* env_var, int32_t default_val); // Given the total number of shards, the shard index, and the test id, // returns true if and only if 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. GTEST_API_ bool ShouldRunTestOnShard( int total_shards, int shard_index, int test_id); // STL container utilities. // Returns the number of elements in the given container that satisfy // the given predicate. template inline int CountIf(const Container& c, Predicate predicate) { // Implemented as an explicit loop since std::count_if() in libCstd on // Solaris has a non-standard signature. int count = 0; for (auto it = c.begin(); it != c.end(); ++it) { if (predicate(*it)) ++count; } return count; } // Applies a function/functor to each element in the container. template void ForEach(const Container& c, Functor functor) { std::for_each(c.begin(), c.end(), functor); } // Returns the i-th element of the vector, or default_value if i is not // in range [0, v.size()). template inline E GetElementOr(const std::vector& v, int i, E default_value) { return (i < 0 || i >= static_cast(v.size())) ? default_value : v[static_cast(i)]; } // Performs an in-place shuffle of a range of the vector's elements. // 'begin' and 'end' are element indices as an STL-style range; // i.e. [begin, end) are shuffled, where 'end' == size() means to // shuffle to the end of the vector. template void ShuffleRange(internal::Random* random, int begin, int end, std::vector* v) { const int size = static_cast(v->size()); GTEST_CHECK_(0 <= begin && begin <= size) << "Invalid shuffle range start " << begin << ": must be in range [0, " << size << "]."; GTEST_CHECK_(begin <= end && end <= size) << "Invalid shuffle range finish " << end << ": must be in range [" << begin << ", " << size << "]."; // Fisher-Yates shuffle, from // http://en.wikipedia.org/wiki/Fisher-Yates_shuffle for (int range_width = end - begin; range_width >= 2; range_width--) { const int last_in_range = begin + range_width - 1; const int selected = begin + static_cast(random->Generate(static_cast(range_width))); std::swap((*v)[static_cast(selected)], (*v)[static_cast(last_in_range)]); } } // Performs an in-place shuffle of the vector's elements. template inline void Shuffle(internal::Random* random, std::vector* v) { ShuffleRange(random, 0, static_cast(v->size()), v); } // A function for deleting an object. Handy for being used as a // functor. template static void Delete(T* x) { delete x; } // A predicate that checks the key of a TestProperty against a known key. // // TestPropertyKeyIs is copyable. class TestPropertyKeyIs { public: // Constructor. // // TestPropertyKeyIs has NO default constructor. explicit TestPropertyKeyIs(const std::string& key) : key_(key) {} // Returns true if and only if the test name of test property matches on key_. bool operator()(const TestProperty& test_property) const { return test_property.key() == key_; } private: std::string key_; }; // Class UnitTestOptions. // // This class contains functions for processing options the user // specifies when running the tests. It has only static members. // // In most cases, the user can specify an option using either an // environment variable or a command line flag. E.g. you can set the // test filter using either GTEST_FILTER or --gtest_filter. If both // the variable and the flag are present, the latter overrides the // former. class GTEST_API_ UnitTestOptions { public: // Functions for processing the gtest_output flag. // Returns the output format, or "" for normal printed output. static std::string GetOutputFormat(); // Returns the absolute path of the requested output file, or the // default (test_detail.xml in the original working directory) if // none was explicitly specified. static std::string GetAbsolutePathToOutputFile(); // Functions for processing the gtest_filter flag. // Returns true if and only if the user-specified filter matches the test // suite name and the test name. static bool FilterMatchesTest(const std::string& test_suite_name, const std::string& test_name); #if GTEST_OS_WINDOWS // Function for supporting the gtest_catch_exception flag. // 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. static int GTestShouldProcessSEH(DWORD exception_code); #endif // GTEST_OS_WINDOWS // Returns true if "name" matches the ':' separated list of glob-style // filters in "filter". static bool MatchesFilter(const std::string& name, const char* filter); }; // Returns the current application's name, removing directory path if that // is present. Used by UnitTestOptions::GetOutputFile. GTEST_API_ FilePath GetCurrentExecutableName(); // The role interface for getting the OS stack trace as a string. class OsStackTraceGetterInterface { public: OsStackTraceGetterInterface() {} virtual ~OsStackTraceGetterInterface() {} // Returns the current OS stack trace as an std::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. virtual std::string CurrentStackTrace(int max_depth, int skip_count) = 0; // UponLeavingGTest() should be called immediately before Google Test calls // user code. It saves some information about the current stack that // CurrentStackTrace() will use to find and hide Google Test stack frames. virtual void UponLeavingGTest() = 0; // This string is inserted in place of stack frames that are part of // Google Test's implementation. static const char* const kElidedFramesMarker; private: GTEST_DISALLOW_COPY_AND_ASSIGN_(OsStackTraceGetterInterface); }; // A working implementation of the OsStackTraceGetterInterface interface. class OsStackTraceGetter : public OsStackTraceGetterInterface { public: OsStackTraceGetter() {} std::string CurrentStackTrace(int max_depth, int skip_count) override; void UponLeavingGTest() override; private: #if GTEST_HAS_ABSL Mutex mutex_; // Protects all internal state. // We save the stack frame below the frame that calls user code. // We do this because the address of the frame immediately below // the user code changes between the call to UponLeavingGTest() // and any calls to the stack trace code from within the user code. void* caller_frame_ = nullptr; #endif // GTEST_HAS_ABSL GTEST_DISALLOW_COPY_AND_ASSIGN_(OsStackTraceGetter); }; // Information about a Google Test trace point. struct TraceInfo { const char* file; int line; std::string message; }; // This is the default global test part result reporter used in UnitTestImpl. // This class should only be used by UnitTestImpl. class DefaultGlobalTestPartResultReporter : public TestPartResultReporterInterface { public: explicit DefaultGlobalTestPartResultReporter(UnitTestImpl* unit_test); // Implements the TestPartResultReporterInterface. Reports the test part // result in the current test. void ReportTestPartResult(const TestPartResult& result) override; private: UnitTestImpl* const unit_test_; GTEST_DISALLOW_COPY_AND_ASSIGN_(DefaultGlobalTestPartResultReporter); }; // This is the default per thread test part result reporter used in // UnitTestImpl. This class should only be used by UnitTestImpl. class DefaultPerThreadTestPartResultReporter : public TestPartResultReporterInterface { public: explicit DefaultPerThreadTestPartResultReporter(UnitTestImpl* unit_test); // Implements the TestPartResultReporterInterface. The implementation just // delegates to the current global test part result reporter of *unit_test_. void ReportTestPartResult(const TestPartResult& result) override; private: UnitTestImpl* const unit_test_; GTEST_DISALLOW_COPY_AND_ASSIGN_(DefaultPerThreadTestPartResultReporter); }; // The private implementation of the UnitTest class. We don't protect // the methods under a mutex, as this class is not accessible by a // user and the UnitTest class that delegates work to this class does // proper locking. class GTEST_API_ UnitTestImpl { public: explicit UnitTestImpl(UnitTest* parent); virtual ~UnitTestImpl(); // There are two different ways to register your own TestPartResultReporter. // You can register your own repoter to listen either only for test results // from the current thread or for results from all threads. // By default, each per-thread test result repoter just passes a new // TestPartResult to the global test result reporter, which registers the // test part result for the currently running test. // Returns the global test part result reporter. TestPartResultReporterInterface* GetGlobalTestPartResultReporter(); // Sets the global test part result reporter. void SetGlobalTestPartResultReporter( TestPartResultReporterInterface* reporter); // Returns the test part result reporter for the current thread. TestPartResultReporterInterface* GetTestPartResultReporterForCurrentThread(); // Sets the test part result reporter for the current thread. void SetTestPartResultReporterForCurrentThread( TestPartResultReporterInterface* reporter); // Gets the number of successful test suites. int successful_test_suite_count() const; // Gets the number of failed test suites. int failed_test_suite_count() const; // Gets the number of all test suites. int total_test_suite_count() const; // Gets the number of all test suites that contain at least one test // that should run. int test_suite_to_run_count() const; // Gets the number of successful tests. int successful_test_count() const; // Gets the number of skipped tests. int skipped_test_count() const; // Gets the number of failed tests. int failed_test_count() const; // Gets the number of disabled tests that will be reported in the XML report. int reportable_disabled_test_count() const; // Gets the number of disabled tests. int disabled_test_count() const; // Gets the number of tests to be printed in the XML report. int reportable_test_count() const; // Gets the number of all tests. int total_test_count() const; // Gets the number of tests that should run. int test_to_run_count() const; // Gets the time of the test program start, in ms from the start of the // UNIX epoch. TimeInMillis start_timestamp() const { return start_timestamp_; } // Gets the elapsed time, in milliseconds. TimeInMillis elapsed_time() const { return elapsed_time_; } // Returns true if and only if the unit test passed (i.e. all test suites // passed). bool Passed() const { return !Failed(); } // Returns true if and only if the unit test failed (i.e. some test suite // failed or something outside of all tests failed). bool Failed() const { return failed_test_suite_count() > 0 || ad_hoc_test_result()->Failed(); } // Gets the i-th test suite among all the test suites. i can range from 0 to // total_test_suite_count() - 1. If i is not in that range, returns NULL. const TestSuite* GetTestSuite(int i) const { const int index = GetElementOr(test_suite_indices_, i, -1); return index < 0 ? nullptr : test_suites_[static_cast(i)]; } // Legacy API is deprecated but still available #ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_ const TestCase* GetTestCase(int i) const { return GetTestSuite(i); } #endif // GTEST_REMOVE_LEGACY_TEST_CASEAPI_ // Gets the i-th test suite among all the test suites. i can range from 0 to // total_test_suite_count() - 1. If i is not in that range, returns NULL. TestSuite* GetMutableSuiteCase(int i) { const int index = GetElementOr(test_suite_indices_, i, -1); return index < 0 ? nullptr : test_suites_[static_cast(index)]; } // Provides access to the event listener list. TestEventListeners* listeners() { return &listeners_; } // Returns the TestResult for the test that's currently running, or // the TestResult for the ad hoc test if no test is running. TestResult* current_test_result(); // Returns the TestResult for the ad hoc test. const TestResult* ad_hoc_test_result() const { return &ad_hoc_test_result_; } // 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 set_os_stack_trace_getter(OsStackTraceGetterInterface* 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* os_stack_trace_getter(); // 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 CurrentOsStackTraceExceptTop(int skip_count) GTEST_NO_INLINE_; // Finds and returns a TestSuite with the given name. If one doesn't // exist, creates one and returns it. // // Arguments: // // test_suite_name: name of the test suite // type_param: the name of the test's type parameter, or NULL if // this is not a typed or a type-parameterized test. // set_up_tc: pointer to the function that sets up the test suite // tear_down_tc: pointer to the function that tears down the test suite TestSuite* GetTestSuite(const char* test_suite_name, const char* type_param, internal::SetUpTestSuiteFunc set_up_tc, internal::TearDownTestSuiteFunc tear_down_tc); // Legacy API is deprecated but still available #ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_ TestCase* GetTestCase(const char* test_case_name, const char* type_param, internal::SetUpTestSuiteFunc set_up_tc, internal::TearDownTestSuiteFunc tear_down_tc) { return GetTestSuite(test_case_name, type_param, set_up_tc, tear_down_tc); } #endif // GTEST_REMOVE_LEGACY_TEST_CASEAPI_ // Adds a TestInfo to the unit test. // // Arguments: // // set_up_tc: pointer to the function that sets up the test suite // tear_down_tc: pointer to the function that tears down the test suite // test_info: the TestInfo object void AddTestInfo(internal::SetUpTestSuiteFunc set_up_tc, internal::TearDownTestSuiteFunc tear_down_tc, TestInfo* test_info) { #if GTEST_HAS_DEATH_TEST // In order to support thread-safe death tests, we need to // remember the original working directory when the test program // was first invoked. We cannot do this in RUN_ALL_TESTS(), as // the user may have changed the current directory before calling // RUN_ALL_TESTS(). Therefore we capture the current directory in // AddTestInfo(), which is called to register a TEST or TEST_F // before main() is reached. if (original_working_dir_.IsEmpty()) { original_working_dir_.Set(FilePath::GetCurrentDir()); GTEST_CHECK_(!original_working_dir_.IsEmpty()) << "Failed to get the current working directory."; } #endif // GTEST_HAS_DEATH_TEST GetTestSuite(test_info->test_suite_name(), test_info->type_param(), set_up_tc, tear_down_tc) ->AddTestInfo(test_info); } // Returns ParameterizedTestSuiteRegistry object used to keep track of // value-parameterized tests and instantiate and register them. internal::ParameterizedTestSuiteRegistry& parameterized_test_registry() { return parameterized_test_registry_; } std::set* ignored_parameterized_test_suites() { return &ignored_parameterized_test_suites_; } // Returns TypeParameterizedTestSuiteRegistry object used to keep track of // type-parameterized tests and instantiations of them. internal::TypeParameterizedTestSuiteRegistry& type_parameterized_test_registry() { return type_parameterized_test_registry_; } // Sets the TestSuite object for the test that's currently running. void set_current_test_suite(TestSuite* a_current_test_suite) { current_test_suite_ = a_current_test_suite; } // Sets the TestInfo object for the test that's currently running. If // current_test_info is NULL, the assertion results will be stored in // ad_hoc_test_result_. void set_current_test_info(TestInfo* a_current_test_info) { current_test_info_ = a_current_test_info; } // Registers all parameterized tests defined using TEST_P and // INSTANTIATE_TEST_SUITE_P, creating regular tests for each test/parameter // combination. This method can be called more then once; it has guards // protecting from registering the tests more then once. If // value-parameterized tests are disabled, RegisterParameterizedTests is // present but does nothing. void RegisterParameterizedTests(); // 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, this test is considered to be failed, but // the rest of the tests will still be run. bool RunAllTests(); // Clears the results of all tests, except the ad hoc tests. void ClearNonAdHocTestResult() { ForEach(test_suites_, TestSuite::ClearTestSuiteResult); } // Clears the results of ad-hoc test assertions. void ClearAdHocTestResult() { ad_hoc_test_result_.Clear(); } // Adds a TestProperty to the current TestResult object when invoked in a // context of a test or a test suite, or to the global property set. If the // result already contains a property with the same key, the value will be // updated. void RecordProperty(const TestProperty& test_property); enum ReactionToSharding { HONOR_SHARDING_PROTOCOL, IGNORE_SHARDING_PROTOCOL }; // Matches the full name of each test against the user-specified // filter to decide whether the test should run, then records the // result in each TestSuite and TestInfo object. // If shard_tests == HONOR_SHARDING_PROTOCOL, further filters tests // based on sharding variables in the environment. // Returns the number of tests that should run. int FilterTests(ReactionToSharding shard_tests); // Prints the names of the tests matching the user-specified filter flag. void ListTestsMatchingFilter(); const TestSuite* current_test_suite() const { return current_test_suite_; } TestInfo* current_test_info() { return current_test_info_; } const TestInfo* current_test_info() const { return current_test_info_; } // Returns the vector of environments that need to be set-up/torn-down // before/after the tests are run. std::vector& environments() { return environments_; } // Getters for the per-thread Google Test trace stack. std::vector& gtest_trace_stack() { return *(gtest_trace_stack_.pointer()); } const std::vector& gtest_trace_stack() const { return gtest_trace_stack_.get(); } #if GTEST_HAS_DEATH_TEST void InitDeathTestSubprocessControlInfo() { internal_run_death_test_flag_.reset(ParseInternalRunDeathTestFlag()); } // Returns a pointer to the parsed --gtest_internal_run_death_test // flag, or NULL if that flag was not specified. // This information is useful only in a death test child process. // Must not be called before a call to InitGoogleTest. const InternalRunDeathTestFlag* internal_run_death_test_flag() const { return internal_run_death_test_flag_.get(); } // Returns a pointer to the current death test factory. internal::DeathTestFactory* death_test_factory() { return death_test_factory_.get(); } void SuppressTestEventsIfInSubprocess(); friend class ReplaceDeathTestFactory; #endif // GTEST_HAS_DEATH_TEST // Initializes the event listener performing XML output as specified by // UnitTestOptions. Must not be called before InitGoogleTest. void ConfigureXmlOutput(); #if GTEST_CAN_STREAM_RESULTS_ // Initializes the event listener for streaming test results to a socket. // Must not be called before InitGoogleTest. void ConfigureStreamingOutput(); #endif // 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 PostFlagParsingInit(); // Gets the random seed used at the start of the current test iteration. int random_seed() const { return random_seed_; } // Gets the random number generator. internal::Random* random() { return &random_; } // Shuffles all test suites, and the tests within each test suite, // making sure that death tests are still run first. void ShuffleTests(); // Restores the test suites and tests to their order before the first shuffle. void UnshuffleTests(); // Returns the value of GTEST_FLAG(catch_exceptions) at the moment // UnitTest::Run() starts. bool catch_exceptions() const { return catch_exceptions_; } private: friend class ::testing::UnitTest; // Used by UnitTest::Run() to capture the state of // GTEST_FLAG(catch_exceptions) at the moment it starts. void set_catch_exceptions(bool value) { catch_exceptions_ = value; } // The UnitTest object that owns this implementation object. UnitTest* const parent_; // The working directory when the first TEST() or TEST_F() was // executed. internal::FilePath original_working_dir_; // The default test part result reporters. DefaultGlobalTestPartResultReporter default_global_test_part_result_reporter_; DefaultPerThreadTestPartResultReporter default_per_thread_test_part_result_reporter_; // Points to (but doesn't own) the global test part result reporter. TestPartResultReporterInterface* global_test_part_result_repoter_; // Protects read and write access to global_test_part_result_reporter_. internal::Mutex global_test_part_result_reporter_mutex_; // Points to (but doesn't own) the per-thread test part result reporter. internal::ThreadLocal per_thread_test_part_result_reporter_; // The vector of environments that need to be set-up/torn-down // before/after the tests are run. std::vector environments_; // The vector of TestSuites in their original order. It owns the // elements in the vector. std::vector test_suites_; // Provides a level of indirection for the test suite list to allow // easy shuffling and restoring the test suite order. The i-th // element of this vector is the index of the i-th test suite in the // shuffled order. std::vector test_suite_indices_; // ParameterizedTestRegistry object used to register value-parameterized // tests. internal::ParameterizedTestSuiteRegistry parameterized_test_registry_; internal::TypeParameterizedTestSuiteRegistry type_parameterized_test_registry_; // The set holding the name of parameterized // test suites that may go uninstantiated. std::set ignored_parameterized_test_suites_; // Indicates whether RegisterParameterizedTests() has been called already. bool parameterized_tests_registered_; // Index of the last death test suite registered. Initially -1. int last_death_test_suite_; // This points to the TestSuite for the currently running test. It // changes as Google Test goes through one test suite after another. // When no test is running, this is set to NULL and Google Test // stores assertion results in ad_hoc_test_result_. Initially NULL. TestSuite* current_test_suite_; // This points to the TestInfo for the currently running test. It // changes as Google Test goes through one test after another. When // no test is running, this is set to NULL and Google Test stores // assertion results in ad_hoc_test_result_. Initially NULL. TestInfo* current_test_info_; // Normally, a user only writes assertions inside a TEST or TEST_F, // or inside a function called by a TEST or TEST_F. Since Google // Test keeps track of which test is current running, it can // associate such an assertion with the test it belongs to. // // If an assertion is encountered when no TEST or TEST_F is running, // Google Test attributes the assertion result to an imaginary "ad hoc" // test, and records the result in ad_hoc_test_result_. TestResult ad_hoc_test_result_; // The list of event listeners that can be used to track events inside // Google Test. TestEventListeners listeners_; // The OS stack trace getter. Will be deleted when the UnitTest // object is destructed. By default, an OsStackTraceGetter is used, // but the user can set this field to use a custom getter if that is // desired. OsStackTraceGetterInterface* os_stack_trace_getter_; // True if and only if PostFlagParsingInit() has been called. bool post_flag_parse_init_performed_; // The random number seed used at the beginning of the test run. int random_seed_; // Our random number generator. internal::Random random_; // The time of the test program start, in ms from the start of the // UNIX epoch. TimeInMillis start_timestamp_; // How long the test took to run, in milliseconds. TimeInMillis elapsed_time_; #if GTEST_HAS_DEATH_TEST // The decomposed components of the gtest_internal_run_death_test flag, // parsed when RUN_ALL_TESTS is called. std::unique_ptr internal_run_death_test_flag_; std::unique_ptr death_test_factory_; #endif // GTEST_HAS_DEATH_TEST // A per-thread stack of traces created by the SCOPED_TRACE() macro. internal::ThreadLocal > gtest_trace_stack_; // The value of GTEST_FLAG(catch_exceptions) at the moment RunAllTests() // starts. bool catch_exceptions_; GTEST_DISALLOW_COPY_AND_ASSIGN_(UnitTestImpl); }; // class UnitTestImpl // Convenience function for accessing the global UnitTest // implementation object. inline UnitTestImpl* GetUnitTestImpl() { return UnitTest::GetInstance()->impl(); } #if GTEST_USES_SIMPLE_RE // Internal helper functions for implementing the simple regular // expression matcher. GTEST_API_ bool IsInSet(char ch, const char* str); GTEST_API_ bool IsAsciiDigit(char ch); GTEST_API_ bool IsAsciiPunct(char ch); GTEST_API_ bool IsRepeat(char ch); GTEST_API_ bool IsAsciiWhiteSpace(char ch); GTEST_API_ bool IsAsciiWordChar(char ch); GTEST_API_ bool IsValidEscape(char ch); GTEST_API_ bool AtomMatchesChar(bool escaped, char pattern, char ch); GTEST_API_ bool ValidateRegex(const char* regex); GTEST_API_ bool MatchRegexAtHead(const char* regex, const char* str); GTEST_API_ bool MatchRepetitionAndRegexAtHead( bool escaped, char ch, char repeat, const char* regex, const char* str); GTEST_API_ bool MatchRegexAnywhere(const char* regex, const char* str); #endif // GTEST_USES_SIMPLE_RE // Parses the command line for Google Test flags, without initializing // other parts of Google Test. GTEST_API_ void ParseGoogleTestFlagsOnly(int* argc, char** argv); GTEST_API_ void ParseGoogleTestFlagsOnly(int* argc, wchar_t** argv); #if GTEST_HAS_DEATH_TEST // Returns the message describing the last system error, regardless of the // platform. GTEST_API_ std::string GetLastErrnoDescription(); // Attempts to parse a string into a positive integer pointed to by the // number parameter. Returns true if that is possible. // GTEST_HAS_DEATH_TEST implies that we have ::std::string, so we can use // it here. template bool ParseNaturalNumber(const ::std::string& str, Integer* number) { // Fail fast if the given string does not begin with a digit; // this bypasses strtoXXX's "optional leading whitespace and plus // or minus sign" semantics, which are undesirable here. if (str.empty() || !IsDigit(str[0])) { return false; } errno = 0; char* end; // BiggestConvertible is the largest integer type that system-provided // string-to-number conversion routines can return. using BiggestConvertible = unsigned long long; // NOLINT const BiggestConvertible parsed = strtoull(str.c_str(), &end, 10); // NOLINT const bool parse_success = *end == '\0' && errno == 0; GTEST_CHECK_(sizeof(Integer) <= sizeof(parsed)); const Integer result = static_cast(parsed); if (parse_success && static_cast(result) == parsed) { *number = result; return true; } return false; } #endif // GTEST_HAS_DEATH_TEST // TestResult contains some private methods that should be hidden from // Google Test user but are required for testing. This class allow our tests // to access them. // // This class is supplied only for the purpose of testing Google Test's own // constructs. Do not use it in user tests, either directly or indirectly. class TestResultAccessor { public: static void RecordProperty(TestResult* test_result, const std::string& xml_element, const TestProperty& property) { test_result->RecordProperty(xml_element, property); } static void ClearTestPartResults(TestResult* test_result) { test_result->ClearTestPartResults(); } static const std::vector& test_part_results( const TestResult& test_result) { return test_result.test_part_results(); } }; #if GTEST_CAN_STREAM_RESULTS_ // Streams test results to the given port on the given host machine. class StreamingListener : public EmptyTestEventListener { public: // Abstract base class for writing strings to a socket. class AbstractSocketWriter { public: virtual ~AbstractSocketWriter() {} // Sends a string to the socket. virtual void Send(const std::string& message) = 0; // Closes the socket. virtual void CloseConnection() {} // Sends a string and a newline to the socket. void SendLn(const std::string& message) { Send(message + "\n"); } }; // Concrete class for actually writing strings to a socket. class SocketWriter : public AbstractSocketWriter { public: SocketWriter(const std::string& host, const std::string& port) : sockfd_(-1), host_name_(host), port_num_(port) { MakeConnection(); } ~SocketWriter() override { if (sockfd_ != -1) CloseConnection(); } // Sends a string to the socket. void Send(const std::string& message) override { GTEST_CHECK_(sockfd_ != -1) << "Send() can be called only when there is a connection."; const auto len = static_cast(message.length()); if (write(sockfd_, message.c_str(), len) != static_cast(len)) { GTEST_LOG_(WARNING) << "stream_result_to: failed to stream to " << host_name_ << ":" << port_num_; } } private: // Creates a client socket and connects to the server. void MakeConnection(); // Closes the socket. void CloseConnection() override { GTEST_CHECK_(sockfd_ != -1) << "CloseConnection() can be called only when there is a connection."; close(sockfd_); sockfd_ = -1; } int sockfd_; // socket file descriptor const std::string host_name_; const std::string port_num_; GTEST_DISALLOW_COPY_AND_ASSIGN_(SocketWriter); }; // class SocketWriter // Escapes '=', '&', '%', and '\n' characters in str as "%xx". static std::string UrlEncode(const char* str); StreamingListener(const std::string& host, const std::string& port) : socket_writer_(new SocketWriter(host, port)) { Start(); } explicit StreamingListener(AbstractSocketWriter* socket_writer) : socket_writer_(socket_writer) { Start(); } void OnTestProgramStart(const UnitTest& /* unit_test */) override { SendLn("event=TestProgramStart"); } void OnTestProgramEnd(const UnitTest& unit_test) override { // Note that Google Test current only report elapsed time for each // test iteration, not for the entire test program. SendLn("event=TestProgramEnd&passed=" + FormatBool(unit_test.Passed())); // Notify the streaming server to stop. socket_writer_->CloseConnection(); } void OnTestIterationStart(const UnitTest& /* unit_test */, int iteration) override { SendLn("event=TestIterationStart&iteration=" + StreamableToString(iteration)); } void OnTestIterationEnd(const UnitTest& unit_test, int /* iteration */) override { SendLn("event=TestIterationEnd&passed=" + FormatBool(unit_test.Passed()) + "&elapsed_time=" + StreamableToString(unit_test.elapsed_time()) + "ms"); } // Note that "event=TestCaseStart" is a wire format and has to remain // "case" for compatibility void OnTestCaseStart(const TestCase& test_case) override { SendLn(std::string("event=TestCaseStart&name=") + test_case.name()); } // Note that "event=TestCaseEnd" is a wire format and has to remain // "case" for compatibility void OnTestCaseEnd(const TestCase& test_case) override { SendLn("event=TestCaseEnd&passed=" + FormatBool(test_case.Passed()) + "&elapsed_time=" + StreamableToString(test_case.elapsed_time()) + "ms"); } void OnTestStart(const TestInfo& test_info) override { SendLn(std::string("event=TestStart&name=") + test_info.name()); } void OnTestEnd(const TestInfo& test_info) override { SendLn("event=TestEnd&passed=" + FormatBool((test_info.result())->Passed()) + "&elapsed_time=" + StreamableToString((test_info.result())->elapsed_time()) + "ms"); } void OnTestPartResult(const TestPartResult& test_part_result) override { const char* file_name = test_part_result.file_name(); if (file_name == nullptr) file_name = ""; SendLn("event=TestPartResult&file=" + UrlEncode(file_name) + "&line=" + StreamableToString(test_part_result.line_number()) + "&message=" + UrlEncode(test_part_result.message())); } private: // Sends the given message and a newline to the socket. void SendLn(const std::string& message) { socket_writer_->SendLn(message); } // Called at the start of streaming to notify the receiver what // protocol we are using. void Start() { SendLn("gtest_streaming_protocol_version=1.0"); } std::string FormatBool(bool value) { return value ? "1" : "0"; } const std::unique_ptr socket_writer_; GTEST_DISALLOW_COPY_AND_ASSIGN_(StreamingListener); }; // class StreamingListener #endif // GTEST_CAN_STREAM_RESULTS_ } // namespace internal } // namespace testing GTEST_DISABLE_MSC_WARNINGS_POP_() // 4251 #endif // GOOGLETEST_SRC_GTEST_INTERNAL_INL_H_