| // 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. |
| |
| // |
| // The Google C++ Testing and Mocking Framework (Google Test) |
| |
| #include "gtest/gtest.h" |
| #include "gtest/internal/custom/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 <cstdint> |
| #include <iomanip> |
| #include <limits> |
| #include <list> |
| #include <map> |
| #include <ostream> // NOLINT |
| #include <sstream> |
| #include <vector> |
| |
| #if GTEST_OS_LINUX |
| |
| #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_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 |
| #undef min |
| |
| #elif GTEST_OS_WINDOWS // We are on Windows proper. |
| |
| #include <windows.h> // NOLINT |
| #undef min |
| |
| #ifdef _MSC_VER |
| #include <crtdbg.h> // NOLINT |
| #include <debugapi.h> // NOLINT |
| #endif |
| |
| #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(). |
| #define GTEST_HAS_GETTIMEOFDAY_ 1 |
| #include <sys/time.h> // NOLINT |
| #endif // GTEST_OS_WINDOWS_MINGW |
| |
| #else |
| |
| // Assume other platforms have 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 |
| #include <sys/socket.h> // NOLINT |
| #include <sys/types.h> // NOLINT |
| #endif |
| |
| #include "src/gtest-internal-inl.h" |
| |
| #if GTEST_OS_WINDOWS |
| #define vsnprintf _vsnprintf |
| #endif // GTEST_OS_WINDOWS |
| |
| #if GTEST_OS_MAC |
| #ifndef GTEST_OS_IOS |
| #include <crt_externs.h> |
| #endif |
| #endif |
| |
| #if GTEST_HAS_ABSL |
| #include "absl/debugging/failure_signal_handler.h" |
| #include "absl/debugging/stacktrace.h" |
| #include "absl/debugging/symbolize.h" |
| #include "absl/strings/str_cat.h" |
| #endif // GTEST_HAS_ABSL |
| |
| namespace testing { |
| |
| using internal::CountIf; |
| using internal::ForEach; |
| using internal::GetElementOr; |
| using internal::Shuffle; |
| |
| // Constants. |
| |
| // A test whose test suite name or test name matches this filter is |
| // disabled and not run. |
| static const char kDisableTestFilter[] = "DISABLED_*:*/DISABLED_*"; |
| |
| // A test suite whose name matches this filter is considered a death |
| // test suite and will be run before test suites whose name doesn't |
| // match this filter. |
| static const char kDeathTestSuiteFilter[] = "*DeathTest:*DeathTest/*"; |
| |
| // A test filter that matches everything. |
| static const char kUniversalFilter[] = "*"; |
| |
| // The default output format. |
| static const char kDefaultOutputFormat[] = "xml"; |
| // The default output file. |
| static const char kDefaultOutputFile[] = "test_detail"; |
| |
| // 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 if and only if the --help flag or an equivalent form |
| // is specified on the command line. |
| bool g_help_flag = false; |
| |
| // Utilty function to Open File for Writing |
| static FILE *OpenFileForWriting(const std::string &output_file) { |
| FILE *fileout = nullptr; |
| FilePath output_file_path(output_file); |
| FilePath output_dir(output_file_path.RemoveFileName()); |
| |
| if (output_dir.CreateDirectoriesRecursively()) { |
| fileout = posix::FOpen(output_file.c_str(), "w"); |
| } |
| if (fileout == nullptr) { |
| GTEST_LOG_(FATAL) << "Unable to open file \"" << output_file << "\""; |
| } |
| return fileout; |
| } |
| |
| } // namespace internal |
| |
| // Bazel passes in the argument to '--test_filter' via the TESTBRIDGE_TEST_ONLY |
| // environment variable. |
| static const char *GetDefaultFilter() { |
| const char *const testbridge_test_only = |
| internal::posix::GetEnv("TESTBRIDGE_TEST_ONLY"); |
| if (testbridge_test_only != nullptr) { |
| return testbridge_test_only; |
| } |
| return kUniversalFilter; |
| } |
| |
| 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 if and only if a failed assertion should be a debugger " |
| "break-point."); |
| |
| GTEST_DEFINE_bool_(catch_exceptions, |
| internal::BoolFromGTestEnv("catch_exceptions", true), |
| "True if and only if " 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 a terminal type that supports colors."); |
| |
| GTEST_DEFINE_string_( |
| filter, internal::StringFromGTestEnv("filter", GetDefaultFilter()), |
| "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_( |
| install_failure_signal_handler, |
| internal::BoolFromGTestEnv("install_failure_signal_handler", false), |
| "If true and supported on the current platform, " GTEST_NAME_ |
| " should " |
| "install a signal handler that dumps debugging information when fatal " |
| "signals are raised."); |
| |
| GTEST_DEFINE_bool_(list_tests, false, "List all tests without running them."); |
| |
| // The net priority order after flag processing is thus: |
| // --gtest_output command line flag |
| // GTEST_OUTPUT environment variable |
| // XML_OUTPUT_FILE environment variable |
| // '' |
| GTEST_DEFINE_string_( |
| output, |
| internal::StringFromGTestEnv("output", |
| internal::OutputFlagAlsoCheckEnvVar().c_str()), |
| "A format (defaults to \"xml\" but can be specified to be \"json\"), " |
| "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 if and only if " GTEST_NAME_ |
| " should display elapsed time in text output."); |
| |
| GTEST_DEFINE_bool_(print_utf8, internal::BoolFromGTestEnv("print_utf8", true), |
| "True if and only if " GTEST_NAME_ |
| " prints UTF8 characters as text."); |
| |
| 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 if and only if " GTEST_NAME_ |
| " should include internal stack frames when " |
| "printing test failure stack traces."); |
| |
| GTEST_DEFINE_bool_(shuffle, internal::BoolFromGTestEnv("shuffle", false), |
| "True if and only if " 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. For use with an external test framework."); |
| |
| #if GTEST_USE_OWN_FLAGFILE_FLAG_ |
| GTEST_DEFINE_string_( |
| flagfile, internal::StringFromGTestEnv("flagfile", ""), |
| "This flag specifies the flagfile to read command-line flags from."); |
| #endif // GTEST_USE_OWN_FLAGFILE_FLAG_ |
| |
| 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_t Random::Generate(uint32_t range) { |
| // These constants are the same as are used in glibc's rand(3). |
| // Use wider types than necessary to prevent unsigned overflow diagnostics. |
| state_ = static_cast<uint32_t>(1103515245ULL * 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 if and only if the user has initialized |
| // Google Test. Useful for catching the user mistake of not initializing |
| // Google Test before calling RUN_ALL_TESTS(). |
| static bool GTestIsInitialized() { return GetArgvs().size() > 0; } |
| |
| // Iterates over a vector of TestSuites, keeping a running sum of the |
| // results of calling a given int-returning method on each. |
| // Returns the sum. |
| static int SumOverTestSuiteList(const std::vector<TestSuite *> &case_list, |
| int (TestSuite::*method)() const) { |
| int sum = 0; |
| for (size_t i = 0; i < case_list.size(); i++) { |
| sum += (case_list[i]->*method)(); |
| } |
| return sum; |
| } |
| |
| // Returns true if and only if the test suite passed. |
| static bool TestSuitePassed(const TestSuite *test_suite) { |
| return test_suite->should_run() && test_suite->Passed(); |
| } |
| |
| // Returns true if and only if the test suite failed. |
| static bool TestSuiteFailed(const TestSuite *test_suite) { |
| return test_suite->should_run() && test_suite->Failed(); |
| } |
| |
| // Returns true if and only if test_suite contains at least one test that |
| // should run. |
| static bool ShouldRunTestSuite(const TestSuite *test_suite) { |
| return test_suite->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 |
| } |
| |
| namespace { |
| |
| // When TEST_P is found without a matching INSTANTIATE_TEST_SUITE_P |
| // to creates test cases for it, a syntetic test case is |
| // inserted to report ether an error or a log message. |
| // |
| // This configuration bit will likely be removed at some point. |
| constexpr bool kErrorOnUninstantiatedParameterizedTest = false; |
| constexpr bool kErrorOnUninstantiatedTypeParameterizedTest = false; |
| |
| // A test that fails at a given file/line location with a given message. |
| class FailureTest : public Test { |
| public: |
| explicit FailureTest(const CodeLocation &loc, std::string error_message, |
| bool as_error) |
| : loc_(loc), error_message_(std::move(error_message)), |
| as_error_(as_error) {} |
| |
| void TestBody() override { |
| if (as_error_) { |
| AssertHelper(TestPartResult::kNonFatalFailure, loc_.file.c_str(), |
| loc_.line, "") = Message() << error_message_; |
| } else { |
| std::cout << error_message_ << std::endl; |
| } |
| } |
| |
| private: |
| const CodeLocation loc_; |
| const std::string error_message_; |
| const bool as_error_; |
| }; |
| |
| } // namespace |
| |
| std::set<std::string> *GetIgnoredParameterizedTestSuites() { |
| return UnitTest::GetInstance()->impl()->ignored_parameterized_test_suites(); |
| } |
| |
| // Add a given test_suit to the list of them allow to go un-instantiated. |
| MarkAsIgnored::MarkAsIgnored(const char *test_suite) { |
| GetIgnoredParameterizedTestSuites()->insert(test_suite); |
| } |
| |
| // If this parameterized test suite has no instantiations (and that |
| // has not been marked as okay), emit a test case reporting that. |
| void InsertSyntheticTestCase(const std::string &name, CodeLocation location, |
| bool has_test_p) { |
| const auto &ignored = *GetIgnoredParameterizedTestSuites(); |
| if (ignored.find(name) != ignored.end()) return; |
| |
| const char kMissingInstantiation[] = // |
| " is defined via TEST_P, but never instantiated. None of the test cases " |
| "will run. Either no INSTANTIATE_TEST_SUITE_P is provided or the only " |
| "ones provided expand to nothing." |
| "\n\n" |
| "Ideally, TEST_P definitions should only ever be included as part of " |
| "binaries that intend to use them. (As opposed to, for example, being " |
| "placed in a library that may be linked in to get other utilities.)"; |
| |
| const char kMissingTestCase[] = // |
| " is instantiated via INSTANTIATE_TEST_SUITE_P, but no tests are " |
| "defined via TEST_P . No test cases will run." |
| "\n\n" |
| "Ideally, INSTANTIATE_TEST_SUITE_P should only ever be invoked from " |
| "code that always depend on code that provides TEST_P. Failing to do " |
| "so is often an indication of dead code, e.g. the last TEST_P was " |
| "removed but the rest got left behind."; |
| |
| std::string message = |
| "Paramaterized test suite " + name + |
| (has_test_p ? kMissingInstantiation : kMissingTestCase) + |
| "\n\n" |
| "To suppress this error for this test suite, insert the following line " |
| "(in a non-header) in the namespace it is defined in:" |
| "\n\n" |
| "GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(" + |
| name + ");"; |
| |
| std::string full_name = "UninstantiatedParamaterizedTestSuite<" + name + ">"; |
| RegisterTest( // |
| "GoogleTestVerification", full_name.c_str(), |
| nullptr, // No type parameter. |
| nullptr, // No value parameter. |
| location.file.c_str(), location.line, [message, location] { |
| return new FailureTest(location, message, |
| kErrorOnUninstantiatedParameterizedTest); |
| }); |
| } |
| |
| void RegisterTypeParameterizedTestSuite(const char *test_suite_name, |
| CodeLocation code_location) { |
| GetUnitTestImpl()->type_parameterized_test_registry().RegisterTestSuite( |
| test_suite_name, code_location); |
| } |
| |
| void RegisterTypeParameterizedTestSuiteInstantiation(const char *case_name) { |
| GetUnitTestImpl()->type_parameterized_test_registry().RegisterInstantiation( |
| case_name); |
| } |
| |
| void TypeParameterizedTestSuiteRegistry::RegisterTestSuite( |
| const char *test_suite_name, CodeLocation code_location) { |
| suites_.emplace(std::string(test_suite_name), |
| TypeParameterizedTestSuiteInfo(code_location)); |
| } |
| |
| void TypeParameterizedTestSuiteRegistry::RegisterInstantiation( |
| const char *test_suite_name) { |
| auto it = suites_.find(std::string(test_suite_name)); |
| if (it != suites_.end()) { |
| it->second.instantiated = true; |
| } else { |
| GTEST_LOG_(ERROR) << "Unknown type parameterized test suit '" |
| << test_suite_name << "'"; |
| } |
| } |
| |
| void TypeParameterizedTestSuiteRegistry::CheckForInstantiations() { |
| const auto &ignored = *GetIgnoredParameterizedTestSuites(); |
| for (const auto &testcase : suites_) { |
| if (testcase.second.instantiated) continue; |
| if (ignored.find(testcase.first) != ignored.end()) continue; |
| |
| std::string message = |
| "Type paramaterized test suite " + testcase.first + |
| " is defined via REGISTER_TYPED_TEST_SUITE_P, but never instantiated " |
| "via INSTANTIATE_TYPED_TEST_SUITE_P. None of the test cases will run." |
| "\n\n" |
| "Ideally, TYPED_TEST_P definitions should only ever be included as " |
| "part of binaries that intend to use them. (As opposed to, for " |
| "example, being placed in a library that may be linked in to get other " |
| "utilities.)" |
| "\n\n" |
| "To suppress this error for this test suite, insert the following line " |
| "(in a non-header) in the namespace it is definedin in:" |
| "\n\n" |
| "GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(" + |
| testcase.first + ");"; |
| |
| std::string full_name = |
| "UninstantiatedTypeParamaterizedTestSuite<" + testcase.first + ">"; |
| RegisterTest( // |
| "GoogleTestVerification", full_name.c_str(), |
| nullptr, // No type parameter. |
| nullptr, // No value parameter. |
| testcase.second.code_location.file.c_str(), |
| testcase.second.code_location.line, [message, testcase] { |
| return new FailureTest(testcase.second.code_location, message, |
| kErrorOnUninstantiatedTypeParameterizedTest); |
| }); |
| } |
| } |
| |
| // A copy of all command line arguments. Set by InitGoogleTest(). |
| static ::std::vector<std::string> g_argvs; |
| |
| ::std::vector<std::string> GetArgvs() { |
| #if defined(GTEST_CUSTOM_GET_ARGVS_) |
| // GTEST_CUSTOM_GET_ARGVS_() may return a container of std::string or |
| // ::string. This code converts it to the appropriate type. |
| const auto &custom = GTEST_CUSTOM_GET_ARGVS_(); |
| return ::std::vector<std::string>(custom.begin(), custom.end()); |
| #else // defined(GTEST_CUSTOM_GET_ARGVS_) |
| return g_argvs; |
| #endif // defined(GTEST_CUSTOM_GET_ARGVS_) |
| } |
| |
| // Returns the current application's name, removing directory path if that |
| // is present. |
| FilePath GetCurrentExecutableName() { |
| FilePath result; |
| |
| #if GTEST_OS_WINDOWS || GTEST_OS_OS2 |
| result.Set(FilePath(GetArgvs()[0]).RemoveExtension("exe")); |
| #else |
| result.Set(FilePath(GetArgvs()[0])); |
| #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(); |
| const char *const colon = strchr(gtest_output_flag, ':'); |
| return (colon == nullptr) |
| ? std::string(gtest_output_flag) |
| : std::string(gtest_output_flag, |
| static_cast<size_t>(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(); |
| |
| std::string format = GetOutputFormat(); |
| if (format.empty()) format = std::string(kDefaultOutputFormat); |
| |
| const char *const colon = strchr(gtest_output_flag, ':'); |
| if (colon == nullptr) |
| return internal::FilePath::MakeFileName( |
| internal::FilePath( |
| UnitTest::GetInstance()->original_working_dir()), |
| internal::FilePath(kDefaultOutputFile), 0, format.c_str()) |
| .string(); |
| |
| internal::FilePath output_name(colon + 1); |
| if (!output_name.IsAbsolutePath()) |
| 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 if and only if 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 == nullptr) { |
| return false; |
| } |
| |
| // Skips the pattern separater (the ':' character). |
| cur_pattern++; |
| } |
| } |
| |
| // Returns true if and only if the user-specified filter matches the test |
| // suite name and the test name. |
| bool UnitTestOptions::FilterMatchesTest(const std::string &test_suite_name, |
| const std::string &test_name) { |
| const std::string &full_name = test_suite_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 == nullptr) { |
| 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. |
| static AssertionResult HasOneFailure(const char * /* results_expr */, |
| const char * /* type_expr */, |
| const char * /* substr_expr */, |
| const TestPartResultArray &results, |
| TestPartResult::Type type, |
| const std::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()) == nullptr) { |
| 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 std::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 suites. |
| int UnitTestImpl::successful_test_suite_count() const { |
| return CountIf(test_suites_, TestSuitePassed); |
| } |
| |
| // Gets the number of failed test suites. |
| int UnitTestImpl::failed_test_suite_count() const { |
| return CountIf(test_suites_, TestSuiteFailed); |
| } |
| |
| // Gets the number of all test suites. |
| int UnitTestImpl::total_test_suite_count() const { |
| return static_cast<int>(test_suites_.size()); |
| } |
| |
| // Gets the number of all test suites that contain at least one test |
| // that should run. |
| int UnitTestImpl::test_suite_to_run_count() const { |
| return CountIf(test_suites_, ShouldRunTestSuite); |
| } |
| |
| // Gets the number of successful tests. |
| int UnitTestImpl::successful_test_count() const { |
| return SumOverTestSuiteList(test_suites_, &TestSuite::successful_test_count); |
| } |
| |
| // Gets the number of skipped tests. |
| int UnitTestImpl::skipped_test_count() const { |
| return SumOverTestSuiteList(test_suites_, &TestSuite::skipped_test_count); |
| } |
| |
| // Gets the number of failed tests. |
| int UnitTestImpl::failed_test_count() const { |
| return SumOverTestSuiteList(test_suites_, &TestSuite::failed_test_count); |
| } |
| |
| // Gets the number of disabled tests that will be reported in the XML report. |
| int UnitTestImpl::reportable_disabled_test_count() const { |
| return SumOverTestSuiteList(test_suites_, |
| &TestSuite::reportable_disabled_test_count); |
| } |
| |
| // Gets the number of disabled tests. |
| int UnitTestImpl::disabled_test_count() const { |
| return SumOverTestSuiteList(test_suites_, &TestSuite::disabled_test_count); |
| } |
| |
| // Gets the number of tests to be printed in the XML report. |
| int UnitTestImpl::reportable_test_count() const { |
| return SumOverTestSuiteList(test_suites_, &TestSuite::reportable_test_count); |
| } |
| |
| // Gets the number of all tests. |
| int UnitTestImpl::total_test_count() const { |
| return SumOverTestSuiteList(test_suites_, &TestSuite::total_test_count); |
| } |
| |
| // Gets the number of tests that should run. |
| int UnitTestImpl::test_to_run_count() const { |
| return SumOverTestSuiteList(test_suites_, &TestSuite::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) { |
| return os_stack_trace_getter()->CurrentStackTrace( |
| static_cast<int>(GTEST_FLAG(stack_trace_depth)), skip_count + 1 |
| // Skips the user-specified number of frames plus this function |
| // itself. |
| ); // NOLINT |
| } |
| |
| // 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; |
| 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; |
| |
| // MSVC 8 deprecates _ftime64(), so we want to suppress warning 4996 |
| // (deprecated function) there. |
| GTEST_DISABLE_MSC_DEPRECATED_PUSH_() |
| _ftime64(&now); |
| GTEST_DISABLE_MSC_DEPRECATED_POP_() |
| |
| return static_cast<TimeInMillis>(now.time) * 1000 + now.millitm; |
| #elif GTEST_HAS_GETTIMEOFDAY_ |
| struct timeval now; |
| gettimeofday(&now, nullptr); |
| 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 nullptr; |
| const int length = strlen(ansi); |
| const int unicode_length = |
| MultiByteToWideChar(CP_ACP, 0, ansi, length, nullptr, 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 nullptr; |
| const int ansi_length = WideCharToMultiByte(CP_ACP, 0, utf16_str, -1, nullptr, |
| 0, nullptr, nullptr); |
| char *ansi = new char[ansi_length + 1]; |
| WideCharToMultiByte(CP_ACP, 0, utf16_str, -1, ansi, ansi_length, nullptr, |
| nullptr); |
| ansi[ansi_length] = 0; |
| return ansi; |
| } |
| |
| #endif // GTEST_OS_WINDOWS_MOBILE |
| |
| // Compares two C strings. Returns true if and only if 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 == nullptr) return rhs == nullptr; |
| |
| if (rhs == nullptr) return false; |
| |
| return strcmp(lhs, rhs) == 0; |
| } |
| |
| #if GTEST_HAS_STD_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 |
| |
| void SplitString(const ::std::string &str, char delimiter, |
| ::std::vector< ::std::string> *dest) { |
| ::std::vector< ::std::string> parsed; |
| ::std::string::size_type pos = 0; |
| while (::testing::internal::AlwaysTrue()) { |
| const ::std::string::size_type colon = str.find(delimiter, pos); |
| if (colon == ::std::string::npos) { |
| parsed.push_back(str.substr(pos)); |
| break; |
| } else { |
| parsed.push_back(str.substr(pos, colon - pos)); |
| pos = colon + 1; |
| } |
| } |
| dest->swap(parsed); |
| } |
| |
| } // namespace internal |
| |
| // Constructs an empty Message. |
| // We allocate the stringstream separately because otherwise each use of |
| // ASSERT/EXPECT in a procedure adds over 200 bytes to the procedure's |
| // stack frame leading to huge stack frames in some cases; gcc does not reuse |
| // the stack space. |
| Message::Message() : ss_(new ::std::stringstream) { |
| // By default, we want there to be enough precision when printing |
| // a double to a Message. |
| *ss_ << std::setprecision(std::numeric_limits<double>::digits10 + 2); |
| } |
| |
| // These two overloads allow streaming a wide C string to a Message |
| // using the UTF-8 encoding. |
| Message &Message::operator<<(const wchar_t *wide_c_str) { |
| return *this << internal::String::ShowWideCString(wide_c_str); |
| } |
| Message &Message::operator<<(wchar_t *wide_c_str) { |
| return *this << internal::String::ShowWideCString(wide_c_str); |
| } |
| |
| #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 |
| |
| // Gets the text streamed to this object so far as an std::string. |
| // Each '\0' character in the buffer is replaced with "\\0". |
| std::string Message::GetString() const { |
| return internal::StringStreamToString(ss_.get()); |
| } |
| |
| // AssertionResult constructors. |
| // Used in EXPECT_TRUE/FALSE(assertion_result). |
| AssertionResult::AssertionResult(const AssertionResult &other) |
| : success_(other.success_), |
| message_(other.message_.get() != nullptr |
| ? new ::std::string(*other.message_) |
| : static_cast< ::std::string *>(nullptr)) {} |
| |
| // Swaps two AssertionResults. |
| void AssertionResult::swap(AssertionResult &other) { |
| using std::swap; |
| swap(success_, other.success_); |
| swap(message_, other.message_); |
| } |
| |
| // Returns the assertion's negation. Used with EXPECT/ASSERT_FALSE. |
| AssertionResult AssertionResult::operator!() const { |
| AssertionResult negation(!success_); |
| if (message_.get() != nullptr) 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 { |
| |
| namespace edit_distance { |
| std::vector<EditType> CalculateOptimalEdits(const std::vector<size_t> &left, |
| const std::vector<size_t> &right) { |
| std::vector<std::vector<double> > costs( |
| left.size() + 1, std::vector<double>(right.size() + 1)); |
| std::vector<std::vector<EditType> > best_move( |
| left.size() + 1, std::vector<EditType>(right.size() + 1)); |
| |
| // Populate for empty right. |
| for (size_t l_i = 0; l_i < costs.size(); ++l_i) { |
| costs[l_i][0] = static_cast<double>(l_i); |
| best_move[l_i][0] = kRemove; |
| } |
| // Populate for empty left. |
| for (size_t r_i = 1; r_i < costs[0].size(); ++r_i) { |
| costs[0][r_i] = static_cast<double>(r_i); |
| best_move[0][r_i] = kAdd; |
| } |
| |
| for (size_t l_i = 0; l_i < left.size(); ++l_i) { |
| for (size_t r_i = 0; r_i < right.size(); ++r_i) { |
| if (left[l_i] == right[r_i]) { |
| // Found a match. Consume it. |
| costs[l_i + 1][r_i + 1] = costs[l_i][r_i]; |
| best_move[l_i + 1][r_i + 1] = kMatch; |
| continue; |
| } |
| |
| const double add = costs[l_i + 1][r_i]; |
| const double remove = costs[l_i][r_i + 1]; |
| const double replace = costs[l_i][r_i]; |
| if (add < remove && add < replace) { |
| costs[l_i + 1][r_i + 1] = add + 1; |
| best_move[l_i + 1][r_i + 1] = kAdd; |
| } else if (remove < add && remove < replace) { |
| costs[l_i + 1][r_i + 1] = remove + 1; |
| best_move[l_i + 1][r_i + 1] = kRemove; |
| } else { |
| // We make replace a little more expensive than add/remove to lower |
| // their priority. |
| costs[l_i + 1][r_i + 1] = replace + 1.00001; |
| best_move[l_i + 1][r_i + 1] = kReplace; |
| } |
| } |
| } |
| |
| // Reconstruct the best path. We do it in reverse order. |
| std::vector<EditType> best_path; |
| for (size_t l_i = left.size(), r_i = right.size(); l_i > 0 || r_i > 0;) { |
| EditType move = best_move[l_i][r_i]; |
| best_path.push_back(move); |
| l_i -= move != kAdd; |
| r_i -= move != kRemove; |
| } |
| std::reverse(best_path.begin(), best_path.end()); |
| return best_path; |
| } |
| |
| namespace { |
| |
| // Helper class to convert string into ids with deduplication. |
| class InternalStrings { |
| public: |
| size_t GetId(const std::string &str) { |
| IdMap::iterator it = ids_.find(str); |
| if (it != ids_.end()) return it->second; |
| size_t id = ids_.size(); |
| return ids_[str] = id; |
| } |
| |
| private: |
| typedef std::map<std::string, size_t> IdMap; |
| IdMap ids_; |
| }; |
| |
| } // namespace |
| |
| std::vector<EditType> CalculateOptimalEdits( |
| const std::vector<std::string> &left, |
| const std::vector<std::string> &right) { |
| std::vector<size_t> left_ids, right_ids; |
| { |
| InternalStrings intern_table; |
| for (size_t i = 0; i < left.size(); ++i) { |
| left_ids.push_back(intern_table.GetId(left[i])); |
| } |
| for (size_t i = 0; i < right.size(); ++i) { |
| right_ids.push_back(intern_table.GetId(right[i])); |
| } |
| } |
| return CalculateOptimalEdits(left_ids, right_ids); |
| } |
| |
| namespace { |
| |
| // Helper class that holds the state for one hunk and prints it out to the |
| // stream. |
| // It reorders adds/removes when possible to group all removes before all |
| // adds. It also adds the hunk header before printint into the stream. |
| class Hunk { |
| public: |
| Hunk(size_t left_start, size_t right_start) |
| : left_start_(left_start), right_start_(right_start), adds_(), removes_(), |
| common_() {} |
| |
| void PushLine(char edit, const char *line) { |
| switch (edit) { |
| case ' ': |
| ++common_; |
| FlushEdits(); |
| hunk_.push_back(std::make_pair(' ', line)); |
| break; |
| case '-': |
| ++removes_; |
| hunk_removes_.push_back(std::make_pair('-', line)); |
| break; |
| case '+': |
| ++adds_; |
| hunk_adds_.push_back(std::make_pair('+', line)); |
| break; |
| } |
| } |
| |
| void PrintTo(std::ostream *os) { |
| PrintHeader(os); |
| FlushEdits(); |
| for (std::list<std::pair<char, const char *> >::const_iterator it = |
| hunk_.begin(); |
| it != hunk_.end(); ++it) { |
| *os << it->first << it->second << "\n"; |
| } |
| } |
| |
| bool has_edits() const { return adds_ || removes_; } |
| |
| private: |
| void FlushEdits() { |
| hunk_.splice(hunk_.end(), hunk_removes_); |
| hunk_.splice(hunk_.end(), hunk_adds_); |
| } |
| |
| // Print a unified diff header for one hunk. |
| // The format is |
| // "@@ -<left_start>,<left_length> +<right_start>,<right_length> @@" |
| // where the left/right parts are omitted if unnecessary. |
| void PrintHeader(std::ostream *ss) const { |
| *ss << "@@ "; |
| if (removes_) { |
| *ss << "-" << left_start_ << "," << (removes_ + common_); |
| } |
| if (removes_ && adds_) { |
| *ss << " "; |
| } |
| if (adds_) { |
| *ss << "+" << right_start_ << "," << (adds_ + common_); |
| } |
| *ss << " @@\n"; |
| } |
| |
| size_t left_start_, right_start_; |
| size_t adds_, removes_, common_; |
| std::list<std::pair<char, const char *> > hunk_, hunk_adds_, hunk_removes_; |
| }; |
| |
| } // namespace |
| |
| // Create a list of diff hunks in Unified diff format. |
| // Each hunk has a header generated by PrintHeader above plus a body with |
| // lines prefixed with ' ' for no change, '-' for deletion and '+' for |
| // addition. |
| // 'context' represents the desired unchanged prefix/suffix around the diff. |
| // If two hunks are close enough that their contexts overlap, then they are |
| // joined into one hunk. |
| std::string CreateUnifiedDiff(const std::vector<std::string> &left, |
| const std::vector<std::string> &right, |
| size_t context) { |
| const std::vector<EditType> edits = CalculateOptimalEdits(left, right); |
| |
| size_t l_i = 0, r_i = 0, edit_i = 0; |
| std::stringstream ss; |
| while (edit_i < edits.size()) { |
| // Find first edit. |
| while (edit_i < edits.size() && edits[edit_i] == kMatch) { |
| ++l_i; |
| ++r_i; |
| ++edit_i; |
| } |
| |
| // Find the first line to include in the hunk. |
| const size_t prefix_context = std::min(l_i, context); |
| Hunk hunk(l_i - prefix_context + 1, r_i - prefix_context + 1); |
| for (size_t i = prefix_context; i > 0; --i) { |
| hunk.PushLine(' ', left[l_i - i].c_str()); |
| } |
| |
| // Iterate the edits until we found enough suffix for the hunk or the input |
| // is over. |
| size_t n_suffix = 0; |
| for (; edit_i < edits.size(); ++edit_i) { |
| if (n_suffix >= context) { |
| // Continue only if the next hunk is very close. |
| auto it = edits.begin() + static_cast<int>(edit_i); |
| while (it != edits.end() && *it == kMatch) ++it; |
| if (it == edits.end() || |
| static_cast<size_t>(it - edits.begin()) - edit_i >= context) { |
| // There is no next edit or it is too far away. |
| break; |
| } |
| } |
| |
| EditType edit = edits[edit_i]; |
| // Reset count when a non match is found. |
| n_suffix = edit == kMatch ? n_suffix + 1 : 0; |
| |
| if (edit == kMatch || edit == kRemove || edit == kReplace) { |
| hunk.PushLine(edit == kMatch ? ' ' : '-', left[l_i].c_str()); |
| } |
| if (edit == kAdd || edit == kReplace) { |
| hunk.PushLine('+', right[r_i].c_str()); |
| } |
| |
| // Advance indices, depending on edit type. |
| l_i += edit != kAdd; |
| r_i += edit != kRemove; |
| } |
| |
| if (!hunk.has_edits()) { |
| // We are done. We don't want this hunk. |
| break; |
| } |
| |
| hunk.PrintTo(&ss); |
| } |
| return ss.str(); |
| } |
| |
| } // namespace edit_distance |
| |
| namespace { |
| |
| // The string representation of the values received in EqFailure() are already |
| // escaped. Split them on escaped '\n' boundaries. Leave all other escaped |
| // characters the same. |
| std::vector<std::string> SplitEscapedString(const std::string &str) { |
| std::vector<std::string> lines; |
| size_t start = 0, end = str.size(); |
| if (end > 2 && str[0] == '"' && str[end - 1] == '"') { |
| ++start; |
| --end; |
| } |
| bool escaped = false; |
| for (size_t i = start; i + 1 < end; ++i) { |
| if (escaped) { |
| escaped = false; |
| if (str[i] == 'n') { |
| lines.push_back(str.substr(start, i - start - 1)); |
| start = i + 1; |
| } |
| } else { |
| escaped = str[i] == '\\'; |
| } |
| } |
| lines.push_back(str.substr(start, end - start)); |
| return lines; |
| } |
| |
| } // namespace |
| |
| // 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: |
| // |
| // lhs_expression: "foo" |
| // rhs_expression: "bar" |
| // lhs_value: "5" |
| // rhs_value: "6" |
| // |
| // The ignoring_case parameter is true if and only if the assertion is a |
| // *_STRCASEEQ*. When it's true, the string "Ignoring case" will |
| // be inserted into the message. |
| AssertionResult EqFailure(const char *lhs_expression, |
| const char *rhs_expression, |
| const std::string &lhs_value, |
| const std::string &rhs_value, bool ignoring_case) { |
| Message msg; |
| msg << "Expected equality of these values:"; |
| msg << "\n " << lhs_expression; |
| if (lhs_value != lhs_expression) { |
| msg << "\n Which is: " << lhs_value; |
| } |
| msg << "\n " << rhs_expression; |
| if (rhs_value != rhs_expression) { |
| msg << "\n Which is: " << rhs_value; |
| } |
| |
| if (ignoring_case) { |
| msg << "\nIgnoring case"; |
| } |
| |
| if (!lhs_value.empty() && !rhs_value.empty()) { |
| const std::vector<std::string> lhs_lines = SplitEscapedString(lhs_value); |
| const std::vector<std::string> rhs_lines = SplitEscapedString(rhs_value); |
| if (lhs_lines.size() > 1 || rhs_lines.size() > 1) { |
| msg << "\nWith diff:\n" |
| << edit_distance::CreateUnifiedDiff(lhs_lines, rhs_lines); |
| } |
| } |
| |
| 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(); |
| |
| 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 *lhs_expression, |
| const char *rhs_expression, BiggestInt lhs, |
| BiggestInt rhs) { |
| if (lhs == rhs) { |
| return AssertionSuccess(); |
| } |
| |
| return EqFailure(lhs_expression, rhs_expression, |
| FormatForComparisonFailureMessage(lhs, rhs), |
| FormatForComparisonFailureMessage(rhs, lhs), 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 *lhs_expression, |
| const char *rhs_expression, const char *lhs, |
| const char *rhs) { |
| if (String::CStringEquals(lhs, rhs)) { |
| return AssertionSuccess(); |
| } |
| |
| return EqFailure(lhs_expression, rhs_expression, PrintToString(lhs), |
| PrintToString(rhs), false); |
| } |
| |
| // The helper function for {ASSERT|EXPECT}_STRCASEEQ. |
| AssertionResult CmpHelperSTRCASEEQ(const char *lhs_expression, |
| const char *rhs_expression, const char *lhs, |
| const char *rhs) { |
| if (String::CaseInsensitiveCStringEquals(lhs, rhs)) { |
| return AssertionSuccess(); |
| } |
| |
| return EqFailure(lhs_expression, rhs_expression, PrintToString(lhs), |
| PrintToString(rhs), 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 if and only if needle |
| // is a substring of haystack. NULL is considered a substring of |
| // itself only. |
| |
| bool IsSubstringPred(const char *needle, const char *haystack) { |
| if (needle == nullptr || haystack == nullptr) return needle == haystack; |
| |
| return strstr(haystack, needle) != nullptr; |
| } |
| |
| bool IsSubstringPred(const wchar_t *needle, const wchar_t *haystack) { |
| if (needle == nullptr || haystack == nullptr) return needle == haystack; |
| |
| return wcsstr(haystack, needle) != nullptr; |
| } |
| |
| // 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 || GTEST_OS_WINDOWS_TV_TITLE |
| |
| // 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 |
| static_cast<DWORD>(hr), // the error |
| 0, // no line width restrictions |
| error_text, // output buffer |
| kBufSize, // buf size |
| nullptr); // 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 up to 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. |
| constexpr uint32_t kMaxCodePoint1 = (static_cast<uint32_t>(1) << 7) - 1; |
| |
| // The maximum code-point a two-byte UTF-8 sequence can represent. |
| constexpr uint32_t kMaxCodePoint2 = (static_cast<uint32_t>(1) << (5 + 6)) - 1; |
| |
| // The maximum code-point a three-byte UTF-8 sequence can represent. |
| constexpr uint32_t kMaxCodePoint3 = |
| (static_cast<uint32_t>(1) << (4 + 2 * 6)) - 1; |
| |
| // The maximum code-point a four-byte UTF-8 sequence can represent. |
| constexpr uint32_t kMaxCodePoint4 = |
| (static_cast<uint32_t>(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_t ChopLowBits(uint32_t *bits, int n) { |
| const uint32_t low_bits = *bits & ((static_cast<uint32_t>(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_t 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_t code_point) { |
| if (code_point > kMaxCodePoint4) { |
| return "(Invalid Unicode 0x" + String::FormatHexUInt32(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 system |
| // uses UTF-16 for wide string encoding. All supported systems |
| // with 16 bit wchar_t (Windows, Cygwin) 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_t CreateCodePointFromUtf16SurrogatePair(wchar_t first, |
| wchar_t second) { |
| const auto first_u = static_cast<uint32_t>(first); |
| const auto second_u = static_cast<uint32_t>(second); |
| const uint32_t mask = (1 << 10) - 1; |
| return (sizeof(wchar_t) == 2) |
| ? (((first_u & mask) << 10) | (second_u & mask)) + 0x10000 |
| : |
| // This function should not be called when the condition is |
| // false, but we provide a sensible default in case it is. |
| first_u; |
| } |
| |
| // 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. |
| 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_t 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_t>(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 == nullptr) return "(null)"; |
| |
| return internal::WideStringToUtf8(wide_c_str, -1); |
| } |
| |
| // Compares two wide C strings. Returns true if and only if 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 == nullptr) return rhs == nullptr; |
| |
| if (rhs == nullptr) return false; |
| |
| return wcscmp(lhs, rhs) == 0; |
| } |
| |
| // Helper function for *_STREQ on wide strings. |
| AssertionResult CmpHelperSTREQ(const char *lhs_expression, |
| const char *rhs_expression, const wchar_t *lhs, |
| const wchar_t *rhs) { |
| if (String::WideCStringEquals(lhs, rhs)) { |
| return AssertionSuccess(); |
| } |
| |
| return EqFailure(lhs_expression, rhs_expression, PrintToString(lhs), |
| PrintToString(rhs), 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 if and only if 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 == nullptr) return rhs == nullptr; |
| if (rhs == nullptr) return false; |
| return posix::StrCaseCmp(lhs, rhs) == 0; |
| } |
| |
| // Compares two wide C strings, ignoring case. Returns true if and only if 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 == nullptr) return rhs == nullptr; |
| |
| if (rhs == nullptr) 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(static_cast<wint_t>(*lhs++)); |
| right = towlower(static_cast<wint_t>(*rhs++)); |
| } while (left && left == right); |
| return left == right; |
| #endif // OS selector |
| } |
| |
| // Returns true if and only if 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::FormatHexUInt32(uint32_t value) { |
| std::stringstream ss; |
| ss << std::hex << std::uppercase << value; |
| return ss.str(); |
| } |
| |
| // Formats an int value as "%X". |
| std::string String::FormatHexInt(int value) { |
| return FormatHexUInt32(static_cast<uint32_t>(value)); |
| } |
| |
| // 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(static_cast<size_t>(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 >est_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), start_timestamp_(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(static_cast<size_t>(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(static_cast<size_t>(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 std::string &xml_element, |
| const TestProperty &test_property) { |
| if (!ValidateTestProperty(xml_element, 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()); |
| } |
| |
| // The list of reserved attributes used in the <testsuites> element of XML |
| // output. |
| static const char *const kReservedTestSuitesAttributes[] = { |
| "disabled", "errors", "failures", "name", |
| "random_seed", "tests", "time", "timestamp" |
| }; |
| |
| // The list of reserved attributes used in the <testsuite> element of XML |
| // output. |
| static const char *const kReservedTestSuiteAttributes[] = { |
| "disabled", "errors", "failures", "name", "tests", "time", "timestamp" |
| }; |
| |
| // The list of reserved attributes used in the <testcase> element of XML output. |
| static const char *const kReservedTestCaseAttributes[] = { |
| "classname", "name", "status", "time", |
| "type_param", "value_param", "file", "line" |
| }; |
| |
| // Use a slightly different set for allowed output to ensure existing tests can |
| // still RecordProperty("result") or "RecordProperty(timestamp") |
| static const char *const kReservedOutputTestCaseAttributes[] = { |
| "classname", "name", "status", "time", "type_param", |
| "value_param", "file", "line", "result", "timestamp" |
| }; |
| |
| template <int kSize> |
| std::vector<std::string> ArrayAsVector(const char *const (&array)[kSize]) { |
| return std::vector<std::string>(array, array + kSize); |
| } |
| |
| static std::vector<std::string> GetReservedAttributesForElement( |
| const std::string &xml_element) { |
| if (xml_element == "testsuites") { |
| return ArrayAsVector(kReservedTestSuitesAttributes); |
| } else if (xml_element == "testsuite") { |
| return ArrayAsVector(kReservedTestSuiteAttributes); |
| } else if (xml_element == "testcase") { |
| return ArrayAsVector(kReservedTestCaseAttributes); |
| } else { |
| GTEST_CHECK_(false) << "Unrecognized xml_element provided: " << xml_element; |
| } |
| // This code is unreachable but some compilers may not realizes that. |
| return std::vector<std::string>(); |
| } |
| |
| // TODO(jdesprez): Merge the two getReserved attributes once skip is improved |
| static std::vector<std::string> GetReservedOutputAttributesForElement( |
| const std::string &xml_element) { |
| if (xml_element == "testsuites") { |
| return ArrayAsVector(kReservedTestSuitesAttributes); |
| } else if (xml_element == "testsuite") { |
| return ArrayAsVector(kReservedTestSuiteAttributes); |
| } else if (xml_element == "testcase") { |
| return ArrayAsVector(kReservedOutputTestCaseAttributes); |
| } else { |
| GTEST_CHECK_(false) << "Unrecognized xml_element provided: " << xml_element; |
| } |
| // This code is unreachable but some compilers may not realizes that. |
| return std::vector<std::string>(); |
| } |
| |
| static std::string FormatWordList(const std::vector<std::string> &words) { |
| Message word_list; |
| for (size_t i = 0; i < words.size(); ++i) { |
| if (i > 0 && words.size() > 2) { |
| word_list << ", "; |
| } |
| if (i == words.size() - 1) { |
| word_list << "and "; |
| } |
| word_list << "'" << words[i] << "'"; |
| } |
| return word_list.GetString(); |
| } |
| |
| static bool ValidateTestPropertyName( |
| const std::string &property_name, |
| const std::vector<std::string> &reserved_names) { |
| if (std::find(reserved_names.begin(), reserved_names.end(), property_name) != |
| reserved_names.end()) { |
| ADD_FAILURE() << "Reserved key used in RecordProperty(): " << property_name |
| << " (" << FormatWordList(reserved_names) |
| << " are reserved by " << GTEST_NAME_ << ")"; |
| return false; |
| } |
| return true; |
| } |
| |
| // Adds a failure if the key is a reserved attribute of the element named |
| // xml_element. Returns true if the property is valid. |
| bool TestResult::ValidateTestProperty(const std::string &xml_element, |
| const TestProperty &test_property) { |
| return ValidateTestPropertyName(test_property.key(), |
| GetReservedAttributesForElement(xml_element)); |
| } |
| |
| // Clears the object. |
| void TestResult::Clear() { |
| test_part_results_.clear(); |
| test_properties_.clear(); |
| death_test_count_ = 0; |
| elapsed_time_ = 0; |
| } |
| |
| // Returns true off the test part was skipped. |
| static bool TestPartSkipped(const TestPartResult &result) { |
| return result.skipped(); |
| } |
| |
| // Returns true if and only if the test was skipped. |
| bool TestResult::Skipped() const { |
| return !Failed() && CountIf(test_part_results_, TestPartSkipped) > 0; |
| } |
| |
| // Returns true if and only if 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 if and only if the test part fatally failed. |
| static bool TestPartFatallyFailed(const TestPartResult &result) { |
| return result.fatally_failed(); |
| } |
| |
| // Returns true if and only if the test fatally failed. |
| bool TestResult::HasFatalFailure() const { |
| return CountIf(test_part_results_, TestPartFatallyFailed) > 0; |
| } |
| |
| // Returns true if and only if the test part non-fatally failed. |
| static bool TestPartNonfatallyFailed(const TestPartResult &result) { |
| return result.nonfatally_failed(); |
| } |
| |
| // Returns true if and only if 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 states of all flags. |
| Test::Test() : gtest_flag_saver_(new GTEST_FLAG_SAVER_) {} |
| |
| // The d'tor restores the states of all flags. The actual work is |
| // done by the d'tor of the gtest_flag_saver_ field, and thus not |
| // visible here. |
| Test::~Test() {} |
| |
| // 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 std::string &key, const std::string &value) { |
| UnitTest::GetInstance()->RecordProperty(key, value); |
| } |
| |
| // Allows user supplied key value pairs to be recorded for later output. |
| void Test::RecordProperty(const std::string &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, |
| nullptr, // 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 suite 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 suite. 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 TestSuite *const test_suite = impl->current_test_suite(); |
| |
| // Info about the first test in the current test suite. |
| const TestInfo *const first_test_info = test_suite->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) { |
| // Both TEST and TEST_F appear in same test suite, which is incorrect. |
| // Tell the user how to fix this. |
| |
| // 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 suite must use the same test fixture\n" |
| << "class, so mixing TEST_F and TEST in the same test suite is\n" |
| << "illegal. In test suite " << this_test_info->test_suite_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 { |
| // Two fixture classes with the same name appear in two different |
| // namespaces, which is not allowed. Tell the user how to fix this. |
| ADD_FAILURE() |
| << "All tests in the same test suite must use the same test fixture\n" |
| << "class. However, in test suite " |
| << this_test_info->test_suite_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 suites."; |
| } |
| 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 != nullptr) { |
| 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 AssertionException &) { // NOLINT |
| // This failure was reported already. |
| } 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(nullptr, 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 and didn't call |
| // GTEST_SKIP(). |
| if (!HasFatalFailure() && !IsSkipped()) { |
| 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 if and only if the current test has a fatal failure. |
| bool Test::HasFatalFailure() { |
| return internal::GetUnitTestImpl()->current_test_result()->HasFatalFailure(); |
| } |
| |
| // Returns true if and only if the current test has a non-fatal failure. |
| bool Test::HasNonfatalFailure() { |
| return internal::GetUnitTestImpl() |
| ->current_test_result() |
| ->HasNonfatalFailure(); |
| } |
| |
| // Returns true if and only if the current test was skipped. |
| bool Test::IsSkipped() { |
| return internal::GetUnitTestImpl()->current_test_result()->Skipped(); |
| } |
| |
| // class TestInfo |
| |
| // Constructs a TestInfo object. It assumes ownership of the test factory |
| // object. |
| TestInfo::TestInfo(const std::string &a_test_suite_name, |
| const std::string &a_name, const char *a_type_param, |
| const char *a_value_param, |
| internal::CodeLocation a_code_location, |
| internal::TypeId fixture_class_id, |
| internal::TestFactoryBase *factory) |
| : test_suite_name_(a_test_suite_name), name_(a_name), |
| type_param_(a_type_param ? new std::string(a_type_param) : nullptr), |
| value_param_(a_value_param ? new std::string(a_value_param) : nullptr), |
| location_(a_code_location), 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_suite_name: name of the test suite |
| // 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. |
| // code_location: code location where the test is defined |
| // fixture_class_id: ID of the test fixture class |
| // 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 |
| // 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_suite_name, const char *name, const char *type_param, |
| const char *value_param, CodeLocation code_location, |
| TypeId fixture_class_id, SetUpTestSuiteFunc set_up_tc, |
| TearDownTestSuiteFunc tear_down_tc, TestFactoryBase *factory) { |
| TestInfo *const test_info = |
| new TestInfo(test_suite_name, name, type_param, value_param, |
| code_location, fixture_class_id, factory); |
| GetUnitTestImpl()->AddTestInfo(set_up_tc, tear_down_tc, test_info); |
| return test_info; |
| } |
| |
| void ReportInvalidTestSuiteType(const char *test_suite_name, |
| CodeLocation code_location) { |
| Message errors; |
| errors |
| << "Attempted redefinition of test suite " << test_suite_name << ".\n" |
| << "All tests in the same test suite must use the same test fixture\n" |
| << "class. However, in test suite " << test_suite_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 suites."; |
| |
| GTEST_LOG_(ERROR) << FormatFileLocation(code_location.file.c_str(), |
| code_location.line) |
| << " " << errors.GetString(); |
| } |
| } // namespace internal |
| |
| namespace { |
| |
| // A predicate that checks the test name of a TestInfo against a known |
| // value. |
| // |
| // This is used for implementation of the TestSuite 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 if and only if 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_SUITE_P into regular tests and registers those. |
| // This will be done just once during the program runtime. |
| void UnitTestImpl::RegisterParameterizedTests() { |
| if (!parameterized_tests_registered_) { |
| parameterized_test_registry_.RegisterTests(); |
| type_parameterized_test_registry_.CheckForInstantiations(); |
| parameterized_tests_registered_ = true; |
| } |
| } |
| |
| } // 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 if the constructor didn't generate a fatal failure or invoke |
| // GTEST_SKIP(). |
| // Note that the object will not be null |
| if (!Test::HasFatalFailure() && !Test::IsSkipped()) { |
| // This doesn't throw as all user code that can throw are wrapped into |
| // exception handling code. |
| test->Run(); |
| } |
| |
| if (test != nullptr) { |
| // Deletes the test object. |
| impl->os_stack_trace_getter()->UponLeavingGTest(); |
| internal::HandleExceptionsInMethodIfSupported( |
| test, &Test::DeleteSelf_, "the test fixture's destructor"); |
| } |
| |
| result_.set_start_timestamp(start); |
| 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(nullptr); |
| } |
| |
| // class TestSuite |
| |
| // Gets the number of successful tests in this test suite. |
| int TestSuite::successful_test_count() const { |
| return CountIf(test_info_list_, TestPassed); |
| } |
| |
| // Gets the number of successful tests in this test suite. |
| int TestSuite::skipped_test_count() const { |
| return CountIf(test_info_list_, TestSkipped); |
| } |
| |
| // Gets the number of failed tests in this test suite. |
| int TestSuite::failed_test_count() const { |
| return CountIf(test_info_list_, TestFailed); |
| } |
| |
| // Gets the number of disabled tests that will be reported in the XML report. |
| int TestSuite::reportable_disabled_test_count() const { |
| return CountIf(test_info_list_, TestReportableDisabled); |
| } |
| |
| // Gets the number of disabled tests in this test suite. |
| int TestSuite::disabled_test_count() const { |
| return CountIf(test_info_list_, TestDisabled); |
| } |
| |
| // Gets the number of tests to be printed in the XML report. |
| int TestSuite::reportable_test_count() const { |
| return CountIf(test_info_list_, TestReportable); |
| } |
| |
| // Get the number of tests in this test suite that should run. |
| int TestSuite::test_to_run_count() const { |
| return CountIf(test_info_list_, ShouldRunTest); |
| } |
| |
| // Gets the number of all tests. |
| int TestSuite::total_test_count() const { |
| return static_cast<int>(test_info_list_.size()); |
| } |
| |
| // Creates a TestSuite with the given name. |
| // |
| // Arguments: |
| // |
| // name: name of the test suite |
| // a_type_param: the name of the test suite's type parameter, or NULL if |
| // this is not a typed or a type-parameterized test suite. |
| // 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::TestSuite(const char *a_name, const char *a_type_param, |
| internal::SetUpTestSuiteFunc set_up_tc, |
| internal::TearDownTestSuiteFunc tear_down_tc) |
| : name_(a_name), |
| type_param_(a_type_param ? new std::string(a_type_param) : nullptr), |
| set_up_tc_(set_up_tc), tear_down_tc_(tear_down_tc), should_run_(false), |
| start_timestamp_(0), elapsed_time_(0) {} |
| |
| // Destructor of TestSuite. |
| TestSuite::~TestSuite() { |
| // 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 *TestSuite::GetTestInfo(int i) const { |
| const int index = GetElementOr(test_indices_, i, -1); |
| return index < 0 ? nullptr : test_info_list_[static_cast<size_t>(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 *TestSuite::GetMutableTestInfo(int i) { |
| const int index = GetElementOr(test_indices_, i, -1); |
| return index < 0 ? nullptr : test_info_list_[static_cast<size_t>(index)]; |
| } |
| |
| // Adds a test to this test suite. Will delete the test upon |
| // destruction of the TestSuite object. |
| void TestSuite::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 TestSuite. |
| void TestSuite::Run() { |
| if (!should_run_) return; |
| |
| internal::UnitTestImpl *const impl = internal::GetUnitTestImpl(); |
| impl->set_current_test_suite(this); |
| |
| TestEventListener *repeater = UnitTest::GetInstance()->listeners().repeater(); |
| |
| // Call both legacy and the new API |
| repeater->OnTestSuiteStart(*this); |
| // Legacy API is deprecated but still available |
| #ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI |
| repeater->OnTestCaseStart(*this); |
| #endif // GTEST_REMOVE_LEGACY_TEST_CASEAPI |
| |
| impl->os_stack_trace_getter()->UponLeavingGTest(); |
| internal::HandleExceptionsInMethodIfSupported( |
| this, &TestSuite::RunSetUpTestSuite, "SetUpTestSuite()"); |
| |
| start_timestamp_ = internal::GetTimeInMillis(); |
| for (int i = 0; i < total_test_count(); i++) { |
| GetMutableTestInfo(i)->Run(); |
| } |
| elapsed_time_ = internal::GetTimeInMillis() - start_timestamp_; |
| |
| impl->os_stack_trace_getter()->UponLeavingGTest(); |
| internal::HandleExceptionsInMethodIfSupported( |
| |