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// Copyright 2005, Google Inc.
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// All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Author: wan@google.com (Zhanyong Wan)
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// The Google C++ Testing Framework (Google Test)
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#include "gtest/gtest.h"
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#include "gtest/gtest-spi.h"
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#include <ostream> // NOLINT
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// TODO(kenton@google.com): Use autoconf to detect availability of
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# define GTEST_HAS_GETTIMEOFDAY_ 1
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# include <fcntl.h> // NOLINT
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# include <limits.h> // NOLINT
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# include <sched.h> // NOLINT
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// Declares vsnprintf(). This header is not available on Windows.
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# include <strings.h> // NOLINT
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# include <sys/mman.h> // NOLINT
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# include <sys/time.h> // NOLINT
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# include <unistd.h> // NOLINT
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#elif GTEST_OS_SYMBIAN
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# define GTEST_HAS_GETTIMEOFDAY_ 1
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# include <sys/time.h> // NOLINT
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# define GTEST_HAS_GETTIMEOFDAY_ 1
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# include <sys/time.h> // NOLINT
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// On z/OS we additionally need strings.h for strcasecmp.
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# include <strings.h> // NOLINT
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#elif GTEST_OS_WINDOWS_MOBILE // We are on Windows CE.
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# include <windows.h> // NOLINT
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#elif GTEST_OS_WINDOWS // We are on Windows proper.
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# include <io.h> // NOLINT
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# include <sys/timeb.h> // NOLINT
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# include <sys/types.h> // NOLINT
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# include <sys/stat.h> // NOLINT
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# if GTEST_OS_WINDOWS_MINGW
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// MinGW has gettimeofday() but not _ftime64().
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// TODO(kenton@google.com): Use autoconf to detect availability of
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// TODO(kenton@google.com): There are other ways to get the time on
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// Windows, like GetTickCount() or GetSystemTimeAsFileTime(). MinGW
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// supports these. consider using them instead.
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# define GTEST_HAS_GETTIMEOFDAY_ 1
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# include <sys/time.h> // NOLINT
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# endif // GTEST_OS_WINDOWS_MINGW
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// cpplint thinks that the header is already included, so we want to
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# include <windows.h> // NOLINT
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// Assume other platforms have gettimeofday().
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// TODO(kenton@google.com): Use autoconf to detect availability of
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# define GTEST_HAS_GETTIMEOFDAY_ 1
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// cpplint thinks that the header is already included, so we want to
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# include <sys/time.h> // NOLINT
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# include <unistd.h> // NOLINT
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#endif // GTEST_OS_LINUX
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#if GTEST_HAS_EXCEPTIONS
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# include <stdexcept>
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#if GTEST_CAN_STREAM_RESULTS_
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# include <arpa/inet.h> // NOLINT
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# include <netdb.h> // NOLINT
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// Indicates that this translation unit is part of Google Test's
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// implementation. It must come before gtest-internal-inl.h is
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// included, or there will be a compiler error. This trick is to
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// prevent a user from accidentally including gtest-internal-inl.h in
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#define GTEST_IMPLEMENTATION_ 1
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#include "src/gtest-internal-inl.h"
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#undef GTEST_IMPLEMENTATION_
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# define vsnprintf _vsnprintf
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#endif // GTEST_OS_WINDOWS
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using internal::CountIf;
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using internal::ForEach;
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using internal::GetElementOr;
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using internal::Shuffle;
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// A test whose test case name or test name matches this filter is
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// disabled and not run.
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static const char kDisableTestFilter[] = "DISABLED_*:*/DISABLED_*";
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// A test case whose name matches this filter is considered a death
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// test case and will be run before test cases whose name doesn't
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// match this filter.
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static const char kDeathTestCaseFilter[] = "*DeathTest:*DeathTest/*";
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// A test filter that matches everything.
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static const char kUniversalFilter[] = "*";
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// The default output file for XML output.
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static const char kDefaultOutputFile[] = "test_detail.xml";
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// The environment variable name for the test shard index.
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static const char kTestShardIndex[] = "GTEST_SHARD_INDEX";
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// The environment variable name for the total number of test shards.
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static const char kTestTotalShards[] = "GTEST_TOTAL_SHARDS";
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// The environment variable name for the test shard status file.
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static const char kTestShardStatusFile[] = "GTEST_SHARD_STATUS_FILE";
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// The text used in failure messages to indicate the start of the
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const char kStackTraceMarker[] = "\nStack trace:\n";
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// g_help_flag is true iff the --help flag or an equivalent form is
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// specified on the command line.
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bool g_help_flag = false;
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} // namespace internal
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static const char* GetDefaultFilter() {
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return kUniversalFilter;
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also_run_disabled_tests,
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internal::BoolFromGTestEnv("also_run_disabled_tests", false),
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"Run disabled tests too, in addition to the tests normally being run.");
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internal::BoolFromGTestEnv("break_on_failure", false),
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"True iff a failed assertion should be a debugger break-point.");
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internal::BoolFromGTestEnv("catch_exceptions", true),
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"True iff " GTEST_NAME_
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" should catch exceptions and treat them as test failures.");
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GTEST_DEFINE_string_(
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internal::StringFromGTestEnv("color", "auto"),
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"Whether to use colors in the output. Valid values: yes, no, "
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"and auto. 'auto' means to use colors if the output is "
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"being sent to a terminal and the TERM environment variable "
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"is set to a terminal type that supports colors.");
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GTEST_DEFINE_string_(
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internal::StringFromGTestEnv("filter", GetDefaultFilter()),
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"A colon-separated list of glob (not regex) patterns "
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"for filtering the tests to run, optionally followed by a "
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"'-' and a : separated list of negative patterns (tests to "
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"exclude). A test is run if it matches one of the positive "
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"patterns and does not match any of the negative patterns.");
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GTEST_DEFINE_bool_(list_tests, false,
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"List all tests without running them.");
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GTEST_DEFINE_string_(
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internal::StringFromGTestEnv("output", ""),
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"A format (currently must be \"xml\"), optionally followed "
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"by a colon and an output file name or directory. A directory "
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"is indicated by a trailing pathname separator. "
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"Examples: \"xml:filename.xml\", \"xml::directoryname/\". "
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"If a directory is specified, output files will be created "
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"within that directory, with file-names based on the test "
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"executable's name and, if necessary, made unique by adding "
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internal::BoolFromGTestEnv("print_time", true),
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"True iff " GTEST_NAME_
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" should display elapsed time in text output.");
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internal::Int32FromGTestEnv("random_seed", 0),
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"Random number seed to use when shuffling test orders. Must be in range "
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"[1, 99999], or 0 to use a seed based on the current time.");
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internal::Int32FromGTestEnv("repeat", 1),
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"How many times to repeat each test. Specify a negative number "
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"for repeating forever. Useful for shaking out flaky tests.");
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show_internal_stack_frames, false,
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"True iff " GTEST_NAME_ " should include internal stack frames when "
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"printing test failure stack traces.");
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internal::BoolFromGTestEnv("shuffle", false),
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"True iff " GTEST_NAME_
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" should randomize tests' order on every run.");
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internal::Int32FromGTestEnv("stack_trace_depth", kMaxStackTraceDepth),
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"The maximum number of stack frames to print when an "
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"assertion fails. The valid range is 0 through 100, inclusive.");
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GTEST_DEFINE_string_(
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internal::StringFromGTestEnv("stream_result_to", ""),
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"This flag specifies the host name and the port number on which to stream "
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"test results. Example: \"localhost:555\". The flag is effective only on "
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internal::BoolFromGTestEnv("throw_on_failure", false),
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"When this flag is specified, a failed assertion will throw an exception "
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"if exceptions are enabled or exit the program with a non-zero code "
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// Generates a random number from [0, range), using a Linear
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// Congruential Generator (LCG). Crashes if 'range' is 0 or greater
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UInt32 Random::Generate(UInt32 range) {
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// These constants are the same as are used in glibc's rand(3).
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state_ = (1103515245U*state_ + 12345U) % kMaxRange;
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GTEST_CHECK_(range > 0)
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<< "Cannot generate a number in the range [0, 0).";
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GTEST_CHECK_(range <= kMaxRange)
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<< "Generation of a number in [0, " << range << ") was requested, "
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<< "but this can only generate numbers in [0, " << kMaxRange << ").";
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// Converting via modulus introduces a bit of downward bias, but
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// it's simple, and a linear congruential generator isn't too good
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return state_ % range;
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// GTestIsInitialized() returns true iff the user has initialized
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// Google Test. Useful for catching the user mistake of not initializing
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// Google Test before calling RUN_ALL_TESTS().
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// A user must call testing::InitGoogleTest() to initialize Google
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// Test. g_init_gtest_count is set to the number of times
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// InitGoogleTest() has been called. We don't protect this variable
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// under a mutex as it is only accessed in the main thread.
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GTEST_API_ int g_init_gtest_count = 0;
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static bool GTestIsInitialized() { return g_init_gtest_count != 0; }
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// Iterates over a vector of TestCases, keeping a running sum of the
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// results of calling a given int-returning method on each.
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static int SumOverTestCaseList(const std::vector<TestCase*>& case_list,
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int (TestCase::*method)() const) {
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for (size_t i = 0; i < case_list.size(); i++) {
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sum += (case_list[i]->*method)();
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// Returns true iff the test case passed.
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static bool TestCasePassed(const TestCase* test_case) {
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return test_case->should_run() && test_case->Passed();
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// Returns true iff the test case failed.
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static bool TestCaseFailed(const TestCase* test_case) {
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return test_case->should_run() && test_case->Failed();
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// Returns true iff test_case contains at least one test that should
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static bool ShouldRunTestCase(const TestCase* test_case) {
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return test_case->should_run();
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// AssertHelper constructor.
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AssertHelper::AssertHelper(TestPartResult::Type type,
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: data_(new AssertHelperData(type, file, line, message)) {
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AssertHelper::~AssertHelper() {
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// Message assignment, for assertion streaming support.
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void AssertHelper::operator=(const Message& message) const {
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UnitTest::GetInstance()->
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AddTestPartResult(data_->type, data_->file, data_->line,
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AppendUserMessage(data_->message, message),
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UnitTest::GetInstance()->impl()
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->CurrentOsStackTraceExceptTop(1)
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// Skips the stack frame for this function itself.
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// Mutex for linked pointers.
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GTEST_API_ GTEST_DEFINE_STATIC_MUTEX_(g_linked_ptr_mutex);
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// Application pathname gotten in InitGoogleTest.
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std::string g_executable_path;
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// Returns the current application's name, removing directory path if that
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FilePath GetCurrentExecutableName() {
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result.Set(FilePath(g_executable_path).RemoveExtension("exe"));
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result.Set(FilePath(g_executable_path));
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#endif // GTEST_OS_WINDOWS
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return result.RemoveDirectoryName();
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// Functions for processing the gtest_output flag.
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// Returns the output format, or "" for normal printed output.
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std::string UnitTestOptions::GetOutputFormat() {
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const char* const gtest_output_flag = GTEST_FLAG(output).c_str();
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if (gtest_output_flag == NULL) return std::string("");
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const char* const colon = strchr(gtest_output_flag, ':');
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return (colon == NULL) ?
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std::string(gtest_output_flag) :
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std::string(gtest_output_flag, colon - gtest_output_flag);
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// Returns the name of the requested output file, or the default if none
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// was explicitly specified.
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std::string UnitTestOptions::GetAbsolutePathToOutputFile() {
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const char* const gtest_output_flag = GTEST_FLAG(output).c_str();
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if (gtest_output_flag == NULL)
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const char* const colon = strchr(gtest_output_flag, ':');
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return internal::FilePath::ConcatPaths(
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UnitTest::GetInstance()->original_working_dir()),
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internal::FilePath(kDefaultOutputFile)).string();
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internal::FilePath output_name(colon + 1);
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if (!output_name.IsAbsolutePath())
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// TODO(wan@google.com): on Windows \some\path is not an absolute
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// path (as its meaning depends on the current drive), yet the
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// following logic for turning it into an absolute path is wrong.
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output_name = internal::FilePath::ConcatPaths(
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internal::FilePath(UnitTest::GetInstance()->original_working_dir()),
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internal::FilePath(colon + 1));
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if (!output_name.IsDirectory())
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return output_name.string();
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internal::FilePath result(internal::FilePath::GenerateUniqueFileName(
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output_name, internal::GetCurrentExecutableName(),
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GetOutputFormat().c_str()));
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return result.string();
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// Returns true iff the wildcard pattern matches the string. The
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// first ':' or '\0' character in pattern marks the end of it.
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// This recursive algorithm isn't very efficient, but is clear and
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// works well enough for matching test names, which are short.
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bool UnitTestOptions::PatternMatchesString(const char *pattern,
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case ':': // Either ':' or '\0' marks the end of the pattern.
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case '?': // Matches any single character.
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return *str != '\0' && PatternMatchesString(pattern + 1, str + 1);
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case '*': // Matches any string (possibly empty) of characters.
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return (*str != '\0' && PatternMatchesString(pattern, str + 1)) ||
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PatternMatchesString(pattern + 1, str);
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default: // Non-special character. Matches itself.
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return *pattern == *str &&
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PatternMatchesString(pattern + 1, str + 1);
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bool UnitTestOptions::MatchesFilter(
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const std::string& name, const char* filter) {
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const char *cur_pattern = filter;
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if (PatternMatchesString(cur_pattern, name.c_str())) {
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// Finds the next pattern in the filter.
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cur_pattern = strchr(cur_pattern, ':');
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// Returns if no more pattern can be found.
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if (cur_pattern == NULL) {
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// Skips the pattern separater (the ':' character).
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// Returns true iff the user-specified filter matches the test case
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// name and the test name.
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bool UnitTestOptions::FilterMatchesTest(const std::string &test_case_name,
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const std::string &test_name) {
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const std::string& full_name = test_case_name + "." + test_name.c_str();
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// Split --gtest_filter at '-', if there is one, to separate into
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// positive filter and negative filter portions
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const char* const p = GTEST_FLAG(filter).c_str();
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const char* const dash = strchr(p, '-');
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std::string positive;
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std::string negative;
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positive = GTEST_FLAG(filter).c_str(); // Whole string is a positive filter
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positive = std::string(p, dash); // Everything up to the dash
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negative = std::string(dash + 1); // Everything after the dash
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if (positive.empty()) {
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// Treat '-test1' as the same as '*-test1'
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positive = kUniversalFilter;
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// A filter is a colon-separated list of patterns. It matches a
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// test if any pattern in it matches the test.
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return (MatchesFilter(full_name, positive.c_str()) &&
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!MatchesFilter(full_name, negative.c_str()));
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// Returns EXCEPTION_EXECUTE_HANDLER if Google Test should handle the
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// given SEH exception, or EXCEPTION_CONTINUE_SEARCH otherwise.
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// This function is useful as an __except condition.
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int UnitTestOptions::GTestShouldProcessSEH(DWORD exception_code) {
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// Google Test should handle a SEH exception if:
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// 1. the user wants it to, AND
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// 2. this is not a breakpoint exception, AND
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// 3. this is not a C++ exception (VC++ implements them via SEH,
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// SEH exception code for C++ exceptions.
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// (see http://support.microsoft.com/kb/185294 for more information).
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const DWORD kCxxExceptionCode = 0xe06d7363;
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bool should_handle = true;
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if (!GTEST_FLAG(catch_exceptions))
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should_handle = false;
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else if (exception_code == EXCEPTION_BREAKPOINT)
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should_handle = false;
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else if (exception_code == kCxxExceptionCode)
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should_handle = false;
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return should_handle ? EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH;
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#endif // GTEST_HAS_SEH
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} // namespace internal
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// The c'tor sets this object as the test part result reporter used by
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// Google Test. The 'result' parameter specifies where to report the
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// results. Intercepts only failures from the current thread.
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ScopedFakeTestPartResultReporter::ScopedFakeTestPartResultReporter(
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TestPartResultArray* result)
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: intercept_mode_(INTERCEPT_ONLY_CURRENT_THREAD),
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// The c'tor sets this object as the test part result reporter used by
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// Google Test. The 'result' parameter specifies where to report the
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ScopedFakeTestPartResultReporter::ScopedFakeTestPartResultReporter(
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InterceptMode intercept_mode, TestPartResultArray* result)
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: intercept_mode_(intercept_mode),
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void ScopedFakeTestPartResultReporter::Init() {
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internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
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if (intercept_mode_ == INTERCEPT_ALL_THREADS) {
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old_reporter_ = impl->GetGlobalTestPartResultReporter();
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impl->SetGlobalTestPartResultReporter(this);
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old_reporter_ = impl->GetTestPartResultReporterForCurrentThread();
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impl->SetTestPartResultReporterForCurrentThread(this);
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// The d'tor restores the test part result reporter used by Google Test
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ScopedFakeTestPartResultReporter::~ScopedFakeTestPartResultReporter() {
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internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
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if (intercept_mode_ == INTERCEPT_ALL_THREADS) {
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impl->SetGlobalTestPartResultReporter(old_reporter_);
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impl->SetTestPartResultReporterForCurrentThread(old_reporter_);
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// Increments the test part result count and remembers the result.
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// This method is from the TestPartResultReporterInterface interface.
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void ScopedFakeTestPartResultReporter::ReportTestPartResult(
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const TestPartResult& result) {
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result_->Append(result);
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// Returns the type ID of ::testing::Test. We should always call this
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// instead of GetTypeId< ::testing::Test>() to get the type ID of
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// testing::Test. This is to work around a suspected linker bug when
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// using Google Test as a framework on Mac OS X. The bug causes
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// GetTypeId< ::testing::Test>() to return different values depending
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// on whether the call is from the Google Test framework itself or
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// from user test code. GetTestTypeId() is guaranteed to always
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// return the same value, as it always calls GetTypeId<>() from the
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// gtest.cc, which is within the Google Test framework.
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TypeId GetTestTypeId() {
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return GetTypeId<Test>();
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// The value of GetTestTypeId() as seen from within the Google Test
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// library. This is solely for testing GetTestTypeId().
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extern const TypeId kTestTypeIdInGoogleTest = GetTestTypeId();
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// This predicate-formatter checks that 'results' contains a test part
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// failure of the given type and that the failure message contains the
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AssertionResult HasOneFailure(const char* /* results_expr */,
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const char* /* type_expr */,
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const char* /* substr_expr */,
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const TestPartResultArray& results,
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TestPartResult::Type type,
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const string& substr) {
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const std::string expected(type == TestPartResult::kFatalFailure ?
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"1 non-fatal failure");
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if (results.size() != 1) {
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msg << "Expected: " << expected << "\n"
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<< " Actual: " << results.size() << " failures";
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for (int i = 0; i < results.size(); i++) {
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msg << "\n" << results.GetTestPartResult(i);
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return AssertionFailure() << msg;
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const TestPartResult& r = results.GetTestPartResult(0);
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if (r.type() != type) {
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return AssertionFailure() << "Expected: " << expected << "\n"
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if (strstr(r.message(), substr.c_str()) == NULL) {
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return AssertionFailure() << "Expected: " << expected << " containing \""
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return AssertionSuccess();
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// The constructor of SingleFailureChecker remembers where to look up
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// test part results, what type of failure we expect, and what
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// substring the failure message should contain.
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SingleFailureChecker:: SingleFailureChecker(
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const TestPartResultArray* results,
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TestPartResult::Type type,
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const string& substr)
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// The destructor of SingleFailureChecker verifies that the given
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// TestPartResultArray contains exactly one failure that has the given
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// type and contains the given substring. If that's not the case, a
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// non-fatal failure will be generated.
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SingleFailureChecker::~SingleFailureChecker() {
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EXPECT_PRED_FORMAT3(HasOneFailure, *results_, type_, substr_);
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DefaultGlobalTestPartResultReporter::DefaultGlobalTestPartResultReporter(
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UnitTestImpl* unit_test) : unit_test_(unit_test) {}
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void DefaultGlobalTestPartResultReporter::ReportTestPartResult(
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const TestPartResult& result) {
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unit_test_->current_test_result()->AddTestPartResult(result);
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unit_test_->listeners()->repeater()->OnTestPartResult(result);
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DefaultPerThreadTestPartResultReporter::DefaultPerThreadTestPartResultReporter(
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UnitTestImpl* unit_test) : unit_test_(unit_test) {}
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void DefaultPerThreadTestPartResultReporter::ReportTestPartResult(
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const TestPartResult& result) {
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unit_test_->GetGlobalTestPartResultReporter()->ReportTestPartResult(result);
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// Returns the global test part result reporter.
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TestPartResultReporterInterface*
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UnitTestImpl::GetGlobalTestPartResultReporter() {
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internal::MutexLock lock(&global_test_part_result_reporter_mutex_);
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return global_test_part_result_repoter_;
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// Sets the global test part result reporter.
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void UnitTestImpl::SetGlobalTestPartResultReporter(
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TestPartResultReporterInterface* reporter) {
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internal::MutexLock lock(&global_test_part_result_reporter_mutex_);
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global_test_part_result_repoter_ = reporter;
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// Returns the test part result reporter for the current thread.
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TestPartResultReporterInterface*
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UnitTestImpl::GetTestPartResultReporterForCurrentThread() {
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return per_thread_test_part_result_reporter_.get();
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// Sets the test part result reporter for the current thread.
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void UnitTestImpl::SetTestPartResultReporterForCurrentThread(
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TestPartResultReporterInterface* reporter) {
704
per_thread_test_part_result_reporter_.set(reporter);
707
// Gets the number of successful test cases.
708
int UnitTestImpl::successful_test_case_count() const {
709
return CountIf(test_cases_, TestCasePassed);
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// Gets the number of failed test cases.
713
int UnitTestImpl::failed_test_case_count() const {
714
return CountIf(test_cases_, TestCaseFailed);
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// Gets the number of all test cases.
718
int UnitTestImpl::total_test_case_count() const {
719
return static_cast<int>(test_cases_.size());
722
// Gets the number of all test cases that contain at least one test
724
int UnitTestImpl::test_case_to_run_count() const {
725
return CountIf(test_cases_, ShouldRunTestCase);
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// Gets the number of successful tests.
729
int UnitTestImpl::successful_test_count() const {
730
return SumOverTestCaseList(test_cases_, &TestCase::successful_test_count);
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// Gets the number of failed tests.
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int UnitTestImpl::failed_test_count() const {
735
return SumOverTestCaseList(test_cases_, &TestCase::failed_test_count);
738
// Gets the number of disabled tests that will be reported in the XML report.
739
int UnitTestImpl::reportable_disabled_test_count() const {
740
return SumOverTestCaseList(test_cases_,
741
&TestCase::reportable_disabled_test_count);
744
// Gets the number of disabled tests.
745
int UnitTestImpl::disabled_test_count() const {
746
return SumOverTestCaseList(test_cases_, &TestCase::disabled_test_count);
749
// Gets the number of tests to be printed in the XML report.
750
int UnitTestImpl::reportable_test_count() const {
751
return SumOverTestCaseList(test_cases_, &TestCase::reportable_test_count);
754
// Gets the number of all tests.
755
int UnitTestImpl::total_test_count() const {
756
return SumOverTestCaseList(test_cases_, &TestCase::total_test_count);
759
// Gets the number of tests that should run.
760
int UnitTestImpl::test_to_run_count() const {
761
return SumOverTestCaseList(test_cases_, &TestCase::test_to_run_count);
764
// Returns the current OS stack trace as an std::string.
766
// The maximum number of stack frames to be included is specified by
767
// the gtest_stack_trace_depth flag. The skip_count parameter
768
// specifies the number of top frames to be skipped, which doesn't
769
// count against the number of frames to be included.
771
// For example, if Foo() calls Bar(), which in turn calls
772
// CurrentOsStackTraceExceptTop(1), Foo() will be included in the
773
// trace but Bar() and CurrentOsStackTraceExceptTop() won't.
774
std::string UnitTestImpl::CurrentOsStackTraceExceptTop(int skip_count) {
779
// Returns the current time in milliseconds.
780
TimeInMillis GetTimeInMillis() {
781
#if GTEST_OS_WINDOWS_MOBILE || defined(__BORLANDC__)
782
// Difference between 1970-01-01 and 1601-01-01 in milliseconds.
783
// http://analogous.blogspot.com/2005/04/epoch.html
784
const TimeInMillis kJavaEpochToWinFileTimeDelta =
785
static_cast<TimeInMillis>(116444736UL) * 100000UL;
786
const DWORD kTenthMicrosInMilliSecond = 10000;
788
SYSTEMTIME now_systime;
789
FILETIME now_filetime;
790
ULARGE_INTEGER now_int64;
791
// TODO(kenton@google.com): Shouldn't this just use
792
// GetSystemTimeAsFileTime()?
793
GetSystemTime(&now_systime);
794
if (SystemTimeToFileTime(&now_systime, &now_filetime)) {
795
now_int64.LowPart = now_filetime.dwLowDateTime;
796
now_int64.HighPart = now_filetime.dwHighDateTime;
797
now_int64.QuadPart = (now_int64.QuadPart / kTenthMicrosInMilliSecond) -
798
kJavaEpochToWinFileTimeDelta;
799
return now_int64.QuadPart;
802
#elif GTEST_OS_WINDOWS && !GTEST_HAS_GETTIMEOFDAY_
807
// MSVC 8 deprecates _ftime64(), so we want to suppress warning 4996
808
// (deprecated function) there.
809
// TODO(kenton@google.com): Use GetTickCount()? Or use
810
// SystemTimeToFileTime()
811
# pragma warning(push) // Saves the current warning state.
812
# pragma warning(disable:4996) // Temporarily disables warning 4996.
814
# pragma warning(pop) // Restores the warning state.
821
return static_cast<TimeInMillis>(now.time) * 1000 + now.millitm;
822
#elif GTEST_HAS_GETTIMEOFDAY_
824
gettimeofday(&now, NULL);
825
return static_cast<TimeInMillis>(now.tv_sec) * 1000 + now.tv_usec / 1000;
827
# error "Don't know how to get the current time on your system."
835
#if GTEST_OS_WINDOWS_MOBILE
836
// Creates a UTF-16 wide string from the given ANSI string, allocating
837
// memory using new. The caller is responsible for deleting the return
838
// value using delete[]. Returns the wide string, or NULL if the
840
LPCWSTR String::AnsiToUtf16(const char* ansi) {
841
if (!ansi) return NULL;
842
const int length = strlen(ansi);
843
const int unicode_length =
844
MultiByteToWideChar(CP_ACP, 0, ansi, length,
846
WCHAR* unicode = new WCHAR[unicode_length + 1];
847
MultiByteToWideChar(CP_ACP, 0, ansi, length,
848
unicode, unicode_length);
849
unicode[unicode_length] = 0;
853
// Creates an ANSI string from the given wide string, allocating
854
// memory using new. The caller is responsible for deleting the return
855
// value using delete[]. Returns the ANSI string, or NULL if the
857
const char* String::Utf16ToAnsi(LPCWSTR utf16_str) {
858
if (!utf16_str) return NULL;
859
const int ansi_length =
860
WideCharToMultiByte(CP_ACP, 0, utf16_str, -1,
861
NULL, 0, NULL, NULL);
862
char* ansi = new char[ansi_length + 1];
863
WideCharToMultiByte(CP_ACP, 0, utf16_str, -1,
864
ansi, ansi_length, NULL, NULL);
865
ansi[ansi_length] = 0;
869
#endif // GTEST_OS_WINDOWS_MOBILE
871
// Compares two C strings. Returns true iff they have the same content.
873
// Unlike strcmp(), this function can handle NULL argument(s). A NULL
874
// C string is considered different to any non-NULL C string,
875
// including the empty string.
876
bool String::CStringEquals(const char * lhs, const char * rhs) {
877
if ( lhs == NULL ) return rhs == NULL;
879
if ( rhs == NULL ) return false;
881
return strcmp(lhs, rhs) == 0;
884
#if GTEST_HAS_STD_WSTRING || GTEST_HAS_GLOBAL_WSTRING
886
// Converts an array of wide chars to a narrow string using the UTF-8
887
// encoding, and streams the result to the given Message object.
888
static void StreamWideCharsToMessage(const wchar_t* wstr, size_t length,
890
for (size_t i = 0; i != length; ) { // NOLINT
891
if (wstr[i] != L'\0') {
892
*msg << WideStringToUtf8(wstr + i, static_cast<int>(length - i));
893
while (i != length && wstr[i] != L'\0')
902
#endif // GTEST_HAS_STD_WSTRING || GTEST_HAS_GLOBAL_WSTRING
904
} // namespace internal
906
// Constructs an empty Message.
907
// We allocate the stringstream separately because otherwise each use of
908
// ASSERT/EXPECT in a procedure adds over 200 bytes to the procedure's
909
// stack frame leading to huge stack frames in some cases; gcc does not reuse
911
Message::Message() : ss_(new ::std::stringstream) {
912
// By default, we want there to be enough precision when printing
913
// a double to a Message.
914
*ss_ << std::setprecision(std::numeric_limits<double>::digits10 + 2);
917
// These two overloads allow streaming a wide C string to a Message
918
// using the UTF-8 encoding.
919
Message& Message::operator <<(const wchar_t* wide_c_str) {
920
return *this << internal::String::ShowWideCString(wide_c_str);
922
Message& Message::operator <<(wchar_t* wide_c_str) {
923
return *this << internal::String::ShowWideCString(wide_c_str);
926
#if GTEST_HAS_STD_WSTRING
927
// Converts the given wide string to a narrow string using the UTF-8
928
// encoding, and streams the result to this Message object.
929
Message& Message::operator <<(const ::std::wstring& wstr) {
930
internal::StreamWideCharsToMessage(wstr.c_str(), wstr.length(), this);
933
#endif // GTEST_HAS_STD_WSTRING
935
#if GTEST_HAS_GLOBAL_WSTRING
936
// Converts the given wide string to a narrow string using the UTF-8
937
// encoding, and streams the result to this Message object.
938
Message& Message::operator <<(const ::wstring& wstr) {
939
internal::StreamWideCharsToMessage(wstr.c_str(), wstr.length(), this);
942
#endif // GTEST_HAS_GLOBAL_WSTRING
944
// Gets the text streamed to this object so far as an std::string.
945
// Each '\0' character in the buffer is replaced with "\\0".
946
std::string Message::GetString() const {
947
return internal::StringStreamToString(ss_.get());
950
// AssertionResult constructors.
951
// Used in EXPECT_TRUE/FALSE(assertion_result).
952
AssertionResult::AssertionResult(const AssertionResult& other)
953
: success_(other.success_),
954
message_(other.message_.get() != NULL ?
955
new ::std::string(*other.message_) :
956
static_cast< ::std::string*>(NULL)) {
959
// Returns the assertion's negation. Used with EXPECT/ASSERT_FALSE.
960
AssertionResult AssertionResult::operator!() const {
961
AssertionResult negation(!success_);
962
if (message_.get() != NULL)
963
negation << *message_;
967
// Makes a successful assertion result.
968
AssertionResult AssertionSuccess() {
969
return AssertionResult(true);
972
// Makes a failed assertion result.
973
AssertionResult AssertionFailure() {
974
return AssertionResult(false);
977
// Makes a failed assertion result with the given failure message.
978
// Deprecated; use AssertionFailure() << message.
979
AssertionResult AssertionFailure(const Message& message) {
980
return AssertionFailure() << message;
985
// Constructs and returns the message for an equality assertion
986
// (e.g. ASSERT_EQ, EXPECT_STREQ, etc) failure.
988
// The first four parameters are the expressions used in the assertion
989
// and their values, as strings. For example, for ASSERT_EQ(foo, bar)
990
// where foo is 5 and bar is 6, we have:
992
// expected_expression: "foo"
993
// actual_expression: "bar"
994
// expected_value: "5"
997
// The ignoring_case parameter is true iff the assertion is a
998
// *_STRCASEEQ*. When it's true, the string " (ignoring case)" will
999
// be inserted into the message.
1000
AssertionResult EqFailure(const char* expected_expression,
1001
const char* actual_expression,
1002
const std::string& expected_value,
1003
const std::string& actual_value,
1004
bool ignoring_case) {
1006
msg << "Value of: " << actual_expression;
1007
if (actual_value != actual_expression) {
1008
msg << "\n Actual: " << actual_value;
1011
msg << "\nExpected: " << expected_expression;
1012
if (ignoring_case) {
1013
msg << " (ignoring case)";
1015
if (expected_value != expected_expression) {
1016
msg << "\nWhich is: " << expected_value;
1019
return AssertionFailure() << msg;
1022
// Constructs a failure message for Boolean assertions such as EXPECT_TRUE.
1023
std::string GetBoolAssertionFailureMessage(
1024
const AssertionResult& assertion_result,
1025
const char* expression_text,
1026
const char* actual_predicate_value,
1027
const char* expected_predicate_value) {
1028
const char* actual_message = assertion_result.message();
1030
msg << "Value of: " << expression_text
1031
<< "\n Actual: " << actual_predicate_value;
1032
if (actual_message[0] != '\0')
1033
msg << " (" << actual_message << ")";
1034
msg << "\nExpected: " << expected_predicate_value;
1035
return msg.GetString();
1038
// Helper function for implementing ASSERT_NEAR.
1039
AssertionResult DoubleNearPredFormat(const char* expr1,
1041
const char* abs_error_expr,
1045
const double diff = fabs(val1 - val2);
1046
if (diff <= abs_error) return AssertionSuccess();
1048
// TODO(wan): do not print the value of an expression if it's
1049
// already a literal.
1050
return AssertionFailure()
1051
<< "The difference between " << expr1 << " and " << expr2
1052
<< " is " << diff << ", which exceeds " << abs_error_expr << ", where\n"
1053
<< expr1 << " evaluates to " << val1 << ",\n"
1054
<< expr2 << " evaluates to " << val2 << ", and\n"
1055
<< abs_error_expr << " evaluates to " << abs_error << ".";
1059
// Helper template for implementing FloatLE() and DoubleLE().
1060
template <typename RawType>
1061
AssertionResult FloatingPointLE(const char* expr1,
1065
// Returns success if val1 is less than val2,
1067
return AssertionSuccess();
1070
// or if val1 is almost equal to val2.
1071
const FloatingPoint<RawType> lhs(val1), rhs(val2);
1072
if (lhs.AlmostEquals(rhs)) {
1073
return AssertionSuccess();
1076
// Note that the above two checks will both fail if either val1 or
1077
// val2 is NaN, as the IEEE floating-point standard requires that
1078
// any predicate involving a NaN must return false.
1080
::std::stringstream val1_ss;
1081
val1_ss << std::setprecision(std::numeric_limits<RawType>::digits10 + 2)
1084
::std::stringstream val2_ss;
1085
val2_ss << std::setprecision(std::numeric_limits<RawType>::digits10 + 2)
1088
return AssertionFailure()
1089
<< "Expected: (" << expr1 << ") <= (" << expr2 << ")\n"
1090
<< " Actual: " << StringStreamToString(&val1_ss) << " vs "
1091
<< StringStreamToString(&val2_ss);
1094
} // namespace internal
1096
// Asserts that val1 is less than, or almost equal to, val2. Fails
1097
// otherwise. In particular, it fails if either val1 or val2 is NaN.
1098
AssertionResult FloatLE(const char* expr1, const char* expr2,
1099
float val1, float val2) {
1100
return internal::FloatingPointLE<float>(expr1, expr2, val1, val2);
1103
// Asserts that val1 is less than, or almost equal to, val2. Fails
1104
// otherwise. In particular, it fails if either val1 or val2 is NaN.
1105
AssertionResult DoubleLE(const char* expr1, const char* expr2,
1106
double val1, double val2) {
1107
return internal::FloatingPointLE<double>(expr1, expr2, val1, val2);
1110
namespace internal {
1112
// The helper function for {ASSERT|EXPECT}_EQ with int or enum
1114
AssertionResult CmpHelperEQ(const char* expected_expression,
1115
const char* actual_expression,
1116
BiggestInt expected,
1117
BiggestInt actual) {
1118
if (expected == actual) {
1119
return AssertionSuccess();
1122
return EqFailure(expected_expression,
1124
FormatForComparisonFailureMessage(expected, actual),
1125
FormatForComparisonFailureMessage(actual, expected),
1129
// A macro for implementing the helper functions needed to implement
1130
// ASSERT_?? and EXPECT_?? with integer or enum arguments. It is here
1131
// just to avoid copy-and-paste of similar code.
1132
#define GTEST_IMPL_CMP_HELPER_(op_name, op)\
1133
AssertionResult CmpHelper##op_name(const char* expr1, const char* expr2, \
1134
BiggestInt val1, BiggestInt val2) {\
1135
if (val1 op val2) {\
1136
return AssertionSuccess();\
1138
return AssertionFailure() \
1139
<< "Expected: (" << expr1 << ") " #op " (" << expr2\
1140
<< "), actual: " << FormatForComparisonFailureMessage(val1, val2)\
1141
<< " vs " << FormatForComparisonFailureMessage(val2, val1);\
1145
// Implements the helper function for {ASSERT|EXPECT}_NE with int or
1147
GTEST_IMPL_CMP_HELPER_(NE, !=)
1148
// Implements the helper function for {ASSERT|EXPECT}_LE with int or
1150
GTEST_IMPL_CMP_HELPER_(LE, <=)
1151
// Implements the helper function for {ASSERT|EXPECT}_LT with int or
1153
GTEST_IMPL_CMP_HELPER_(LT, < )
1154
// Implements the helper function for {ASSERT|EXPECT}_GE with int or
1156
GTEST_IMPL_CMP_HELPER_(GE, >=)
1157
// Implements the helper function for {ASSERT|EXPECT}_GT with int or
1159
GTEST_IMPL_CMP_HELPER_(GT, > )
1161
#undef GTEST_IMPL_CMP_HELPER_
1163
// The helper function for {ASSERT|EXPECT}_STREQ.
1164
AssertionResult CmpHelperSTREQ(const char* expected_expression,
1165
const char* actual_expression,
1166
const char* expected,
1167
const char* actual) {
1168
if (String::CStringEquals(expected, actual)) {
1169
return AssertionSuccess();
1172
return EqFailure(expected_expression,
1174
PrintToString(expected),
1175
PrintToString(actual),
1179
// The helper function for {ASSERT|EXPECT}_STRCASEEQ.
1180
AssertionResult CmpHelperSTRCASEEQ(const char* expected_expression,
1181
const char* actual_expression,
1182
const char* expected,
1183
const char* actual) {
1184
if (String::CaseInsensitiveCStringEquals(expected, actual)) {
1185
return AssertionSuccess();
1188
return EqFailure(expected_expression,
1190
PrintToString(expected),
1191
PrintToString(actual),
1195
// The helper function for {ASSERT|EXPECT}_STRNE.
1196
AssertionResult CmpHelperSTRNE(const char* s1_expression,
1197
const char* s2_expression,
1200
if (!String::CStringEquals(s1, s2)) {
1201
return AssertionSuccess();
1203
return AssertionFailure() << "Expected: (" << s1_expression << ") != ("
1204
<< s2_expression << "), actual: \""
1205
<< s1 << "\" vs \"" << s2 << "\"";
1209
// The helper function for {ASSERT|EXPECT}_STRCASENE.
1210
AssertionResult CmpHelperSTRCASENE(const char* s1_expression,
1211
const char* s2_expression,
1214
if (!String::CaseInsensitiveCStringEquals(s1, s2)) {
1215
return AssertionSuccess();
1217
return AssertionFailure()
1218
<< "Expected: (" << s1_expression << ") != ("
1219
<< s2_expression << ") (ignoring case), actual: \""
1220
<< s1 << "\" vs \"" << s2 << "\"";
1224
} // namespace internal
1228
// Helper functions for implementing IsSubString() and IsNotSubstring().
1230
// This group of overloaded functions return true iff needle is a
1231
// substring of haystack. NULL is considered a substring of itself
1234
bool IsSubstringPred(const char* needle, const char* haystack) {
1235
if (needle == NULL || haystack == NULL)
1236
return needle == haystack;
1238
return strstr(haystack, needle) != NULL;
1241
bool IsSubstringPred(const wchar_t* needle, const wchar_t* haystack) {
1242
if (needle == NULL || haystack == NULL)
1243
return needle == haystack;
1245
return wcsstr(haystack, needle) != NULL;
1248
// StringType here can be either ::std::string or ::std::wstring.
1249
template <typename StringType>
1250
bool IsSubstringPred(const StringType& needle,
1251
const StringType& haystack) {
1252
return haystack.find(needle) != StringType::npos;
1255
// This function implements either IsSubstring() or IsNotSubstring(),
1256
// depending on the value of the expected_to_be_substring parameter.
1257
// StringType here can be const char*, const wchar_t*, ::std::string,
1258
// or ::std::wstring.
1259
template <typename StringType>
1260
AssertionResult IsSubstringImpl(
1261
bool expected_to_be_substring,
1262
const char* needle_expr, const char* haystack_expr,
1263
const StringType& needle, const StringType& haystack) {
1264
if (IsSubstringPred(needle, haystack) == expected_to_be_substring)
1265
return AssertionSuccess();
1267
const bool is_wide_string = sizeof(needle[0]) > 1;
1268
const char* const begin_string_quote = is_wide_string ? "L\"" : "\"";
1269
return AssertionFailure()
1270
<< "Value of: " << needle_expr << "\n"
1271
<< " Actual: " << begin_string_quote << needle << "\"\n"
1272
<< "Expected: " << (expected_to_be_substring ? "" : "not ")
1273
<< "a substring of " << haystack_expr << "\n"
1274
<< "Which is: " << begin_string_quote << haystack << "\"";
1279
// IsSubstring() and IsNotSubstring() check whether needle is a
1280
// substring of haystack (NULL is considered a substring of itself
1281
// only), and return an appropriate error message when they fail.
1283
AssertionResult IsSubstring(
1284
const char* needle_expr, const char* haystack_expr,
1285
const char* needle, const char* haystack) {
1286
return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);
1289
AssertionResult IsSubstring(
1290
const char* needle_expr, const char* haystack_expr,
1291
const wchar_t* needle, const wchar_t* haystack) {
1292
return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);
1295
AssertionResult IsNotSubstring(
1296
const char* needle_expr, const char* haystack_expr,
1297
const char* needle, const char* haystack) {
1298
return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);
1301
AssertionResult IsNotSubstring(
1302
const char* needle_expr, const char* haystack_expr,
1303
const wchar_t* needle, const wchar_t* haystack) {
1304
return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);
1307
AssertionResult IsSubstring(
1308
const char* needle_expr, const char* haystack_expr,
1309
const ::std::string& needle, const ::std::string& haystack) {
1310
return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);
1313
AssertionResult IsNotSubstring(
1314
const char* needle_expr, const char* haystack_expr,
1315
const ::std::string& needle, const ::std::string& haystack) {
1316
return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);
1319
#if GTEST_HAS_STD_WSTRING
1320
AssertionResult IsSubstring(
1321
const char* needle_expr, const char* haystack_expr,
1322
const ::std::wstring& needle, const ::std::wstring& haystack) {
1323
return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);
1326
AssertionResult IsNotSubstring(
1327
const char* needle_expr, const char* haystack_expr,
1328
const ::std::wstring& needle, const ::std::wstring& haystack) {
1329
return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);
1331
#endif // GTEST_HAS_STD_WSTRING
1333
namespace internal {
1335
#if GTEST_OS_WINDOWS
1339
// Helper function for IsHRESULT{SuccessFailure} predicates
1340
AssertionResult HRESULTFailureHelper(const char* expr,
1341
const char* expected,
1342
long hr) { // NOLINT
1343
# if GTEST_OS_WINDOWS_MOBILE
1345
// Windows CE doesn't support FormatMessage.
1346
const char error_text[] = "";
1350
// Looks up the human-readable system message for the HRESULT code
1351
// and since we're not passing any params to FormatMessage, we don't
1352
// want inserts expanded.
1353
const DWORD kFlags = FORMAT_MESSAGE_FROM_SYSTEM |
1354
FORMAT_MESSAGE_IGNORE_INSERTS;
1355
const DWORD kBufSize = 4096;
1356
// Gets the system's human readable message string for this HRESULT.
1357
char error_text[kBufSize] = { '\0' };
1358
DWORD message_length = ::FormatMessageA(kFlags,
1359
0, // no source, we're asking system
1361
0, // no line width restrictions
1362
error_text, // output buffer
1363
kBufSize, // buf size
1364
NULL); // no arguments for inserts
1365
// Trims tailing white space (FormatMessage leaves a trailing CR-LF)
1366
for (; message_length && IsSpace(error_text[message_length - 1]);
1368
error_text[message_length - 1] = '\0';
1371
# endif // GTEST_OS_WINDOWS_MOBILE
1373
const std::string error_hex("0x" + String::FormatHexInt(hr));
1374
return ::testing::AssertionFailure()
1375
<< "Expected: " << expr << " " << expected << ".\n"
1376
<< " Actual: " << error_hex << " " << error_text << "\n";
1381
AssertionResult IsHRESULTSuccess(const char* expr, long hr) { // NOLINT
1382
if (SUCCEEDED(hr)) {
1383
return AssertionSuccess();
1385
return HRESULTFailureHelper(expr, "succeeds", hr);
1388
AssertionResult IsHRESULTFailure(const char* expr, long hr) { // NOLINT
1390
return AssertionSuccess();
1392
return HRESULTFailureHelper(expr, "fails", hr);
1395
#endif // GTEST_OS_WINDOWS
1397
// Utility functions for encoding Unicode text (wide strings) in
1400
// A Unicode code-point can have upto 21 bits, and is encoded in UTF-8
1403
// Code-point length Encoding
1404
// 0 - 7 bits 0xxxxxxx
1405
// 8 - 11 bits 110xxxxx 10xxxxxx
1406
// 12 - 16 bits 1110xxxx 10xxxxxx 10xxxxxx
1407
// 17 - 21 bits 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
1409
// The maximum code-point a one-byte UTF-8 sequence can represent.
1410
const UInt32 kMaxCodePoint1 = (static_cast<UInt32>(1) << 7) - 1;
1412
// The maximum code-point a two-byte UTF-8 sequence can represent.
1413
const UInt32 kMaxCodePoint2 = (static_cast<UInt32>(1) << (5 + 6)) - 1;
1415
// The maximum code-point a three-byte UTF-8 sequence can represent.
1416
const UInt32 kMaxCodePoint3 = (static_cast<UInt32>(1) << (4 + 2*6)) - 1;
1418
// The maximum code-point a four-byte UTF-8 sequence can represent.
1419
const UInt32 kMaxCodePoint4 = (static_cast<UInt32>(1) << (3 + 3*6)) - 1;
1421
// Chops off the n lowest bits from a bit pattern. Returns the n
1422
// lowest bits. As a side effect, the original bit pattern will be
1423
// shifted to the right by n bits.
1424
inline UInt32 ChopLowBits(UInt32* bits, int n) {
1425
const UInt32 low_bits = *bits & ((static_cast<UInt32>(1) << n) - 1);
1430
// Converts a Unicode code point to a narrow string in UTF-8 encoding.
1431
// code_point parameter is of type UInt32 because wchar_t may not be
1432
// wide enough to contain a code point.
1433
// If the code_point is not a valid Unicode code point
1434
// (i.e. outside of Unicode range U+0 to U+10FFFF) it will be converted
1435
// to "(Invalid Unicode 0xXXXXXXXX)".
1436
std::string CodePointToUtf8(UInt32 code_point) {
1437
if (code_point > kMaxCodePoint4) {
1438
return "(Invalid Unicode 0x" + String::FormatHexInt(code_point) + ")";
1441
char str[5]; // Big enough for the largest valid code point.
1442
if (code_point <= kMaxCodePoint1) {
1444
str[0] = static_cast<char>(code_point); // 0xxxxxxx
1445
} else if (code_point <= kMaxCodePoint2) {
1447
str[1] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6)); // 10xxxxxx
1448
str[0] = static_cast<char>(0xC0 | code_point); // 110xxxxx
1449
} else if (code_point <= kMaxCodePoint3) {
1451
str[2] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6)); // 10xxxxxx
1452
str[1] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6)); // 10xxxxxx
1453
str[0] = static_cast<char>(0xE0 | code_point); // 1110xxxx
1454
} else { // code_point <= kMaxCodePoint4
1456
str[3] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6)); // 10xxxxxx
1457
str[2] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6)); // 10xxxxxx
1458
str[1] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6)); // 10xxxxxx
1459
str[0] = static_cast<char>(0xF0 | code_point); // 11110xxx
1464
// The following two functions only make sense if the the system
1465
// uses UTF-16 for wide string encoding. All supported systems
1466
// with 16 bit wchar_t (Windows, Cygwin, Symbian OS) do use UTF-16.
1468
// Determines if the arguments constitute UTF-16 surrogate pair
1469
// and thus should be combined into a single Unicode code point
1470
// using CreateCodePointFromUtf16SurrogatePair.
1471
inline bool IsUtf16SurrogatePair(wchar_t first, wchar_t second) {
1472
return sizeof(wchar_t) == 2 &&
1473
(first & 0xFC00) == 0xD800 && (second & 0xFC00) == 0xDC00;
1476
// Creates a Unicode code point from UTF16 surrogate pair.
1477
inline UInt32 CreateCodePointFromUtf16SurrogatePair(wchar_t first,
1479
const UInt32 mask = (1 << 10) - 1;
1480
return (sizeof(wchar_t) == 2) ?
1481
(((first & mask) << 10) | (second & mask)) + 0x10000 :
1482
// This function should not be called when the condition is
1483
// false, but we provide a sensible default in case it is.
1484
static_cast<UInt32>(first);
1487
// Converts a wide string to a narrow string in UTF-8 encoding.
1488
// The wide string is assumed to have the following encoding:
1489
// UTF-16 if sizeof(wchar_t) == 2 (on Windows, Cygwin, Symbian OS)
1490
// UTF-32 if sizeof(wchar_t) == 4 (on Linux)
1491
// Parameter str points to a null-terminated wide string.
1492
// Parameter num_chars may additionally limit the number
1493
// of wchar_t characters processed. -1 is used when the entire string
1494
// should be processed.
1495
// If the string contains code points that are not valid Unicode code points
1496
// (i.e. outside of Unicode range U+0 to U+10FFFF) they will be output
1497
// as '(Invalid Unicode 0xXXXXXXXX)'. If the string is in UTF16 encoding
1498
// and contains invalid UTF-16 surrogate pairs, values in those pairs
1499
// will be encoded as individual Unicode characters from Basic Normal Plane.
1500
std::string WideStringToUtf8(const wchar_t* str, int num_chars) {
1501
if (num_chars == -1)
1502
num_chars = static_cast<int>(wcslen(str));
1504
::std::stringstream stream;
1505
for (int i = 0; i < num_chars; ++i) {
1506
UInt32 unicode_code_point;
1508
if (str[i] == L'\0') {
1510
} else if (i + 1 < num_chars && IsUtf16SurrogatePair(str[i], str[i + 1])) {
1511
unicode_code_point = CreateCodePointFromUtf16SurrogatePair(str[i],
1515
unicode_code_point = static_cast<UInt32>(str[i]);
1518
stream << CodePointToUtf8(unicode_code_point);
1520
return StringStreamToString(&stream);
1523
// Converts a wide C string to an std::string using the UTF-8 encoding.
1524
// NULL will be converted to "(null)".
1525
std::string String::ShowWideCString(const wchar_t * wide_c_str) {
1526
if (wide_c_str == NULL) return "(null)";
1528
return internal::WideStringToUtf8(wide_c_str, -1);
1531
// Compares two wide C strings. Returns true iff they have the same
1534
// Unlike wcscmp(), this function can handle NULL argument(s). A NULL
1535
// C string is considered different to any non-NULL C string,
1536
// including the empty string.
1537
bool String::WideCStringEquals(const wchar_t * lhs, const wchar_t * rhs) {
1538
if (lhs == NULL) return rhs == NULL;
1540
if (rhs == NULL) return false;
1542
return wcscmp(lhs, rhs) == 0;
1545
// Helper function for *_STREQ on wide strings.
1546
AssertionResult CmpHelperSTREQ(const char* expected_expression,
1547
const char* actual_expression,
1548
const wchar_t* expected,
1549
const wchar_t* actual) {
1550
if (String::WideCStringEquals(expected, actual)) {
1551
return AssertionSuccess();
1554
return EqFailure(expected_expression,
1556
PrintToString(expected),
1557
PrintToString(actual),
1561
// Helper function for *_STRNE on wide strings.
1562
AssertionResult CmpHelperSTRNE(const char* s1_expression,
1563
const char* s2_expression,
1565
const wchar_t* s2) {
1566
if (!String::WideCStringEquals(s1, s2)) {
1567
return AssertionSuccess();
1570
return AssertionFailure() << "Expected: (" << s1_expression << ") != ("
1571
<< s2_expression << "), actual: "
1572
<< PrintToString(s1)
1573
<< " vs " << PrintToString(s2);
1576
// Compares two C strings, ignoring case. Returns true iff they have
1577
// the same content.
1579
// Unlike strcasecmp(), this function can handle NULL argument(s). A
1580
// NULL C string is considered different to any non-NULL C string,
1581
// including the empty string.
1582
bool String::CaseInsensitiveCStringEquals(const char * lhs, const char * rhs) {
1587
return posix::StrCaseCmp(lhs, rhs) == 0;
1590
// Compares two wide C strings, ignoring case. Returns true iff they
1591
// have the same content.
1593
// Unlike wcscasecmp(), this function can handle NULL argument(s).
1594
// A NULL C string is considered different to any non-NULL wide C string,
1595
// including the empty string.
1596
// NB: The implementations on different platforms slightly differ.
1597
// On windows, this method uses _wcsicmp which compares according to LC_CTYPE
1598
// environment variable. On GNU platform this method uses wcscasecmp
1599
// which compares according to LC_CTYPE category of the current locale.
1600
// On MacOS X, it uses towlower, which also uses LC_CTYPE category of the
1602
bool String::CaseInsensitiveWideCStringEquals(const wchar_t* lhs,
1603
const wchar_t* rhs) {
1604
if (lhs == NULL) return rhs == NULL;
1606
if (rhs == NULL) return false;
1608
#if GTEST_OS_WINDOWS
1609
return _wcsicmp(lhs, rhs) == 0;
1610
#elif GTEST_OS_LINUX && !GTEST_OS_LINUX_ANDROID
1611
return wcscasecmp(lhs, rhs) == 0;
1613
// Android, Mac OS X and Cygwin don't define wcscasecmp.
1614
// Other unknown OSes may not define it either.
1617
left = towlower(*lhs++);
1618
right = towlower(*rhs++);
1619
} while (left && left == right);
1620
return left == right;
1621
#endif // OS selector
1624
// Returns true iff str ends with the given suffix, ignoring case.
1625
// Any string is considered to end with an empty suffix.
1626
bool String::EndsWithCaseInsensitive(
1627
const std::string& str, const std::string& suffix) {
1628
const size_t str_len = str.length();
1629
const size_t suffix_len = suffix.length();
1630
return (str_len >= suffix_len) &&
1631
CaseInsensitiveCStringEquals(str.c_str() + str_len - suffix_len,
1635
// Formats an int value as "%02d".
1636
std::string String::FormatIntWidth2(int value) {
1637
std::stringstream ss;
1638
ss << std::setfill('0') << std::setw(2) << value;
1642
// Formats an int value as "%X".
1643
std::string String::FormatHexInt(int value) {
1644
std::stringstream ss;
1645
ss << std::hex << std::uppercase << value;
1649
// Formats a byte as "%02X".
1650
std::string String::FormatByte(unsigned char value) {
1651
std::stringstream ss;
1652
ss << std::setfill('0') << std::setw(2) << std::hex << std::uppercase
1653
<< static_cast<unsigned int>(value);
1657
// Converts the buffer in a stringstream to an std::string, converting NUL
1658
// bytes to "\\0" along the way.
1659
std::string StringStreamToString(::std::stringstream* ss) {
1660
const ::std::string& str = ss->str();
1661
const char* const start = str.c_str();
1662
const char* const end = start + str.length();
1665
result.reserve(2 * (end - start));
1666
for (const char* ch = start; ch != end; ++ch) {
1668
result += "\\0"; // Replaces NUL with "\\0";
1677
// Appends the user-supplied message to the Google-Test-generated message.
1678
std::string AppendUserMessage(const std::string& gtest_msg,
1679
const Message& user_msg) {
1680
// Appends the user message if it's non-empty.
1681
const std::string user_msg_string = user_msg.GetString();
1682
if (user_msg_string.empty()) {
1686
return gtest_msg + "\n" + user_msg_string;
1689
} // namespace internal
1693
// Creates an empty TestResult.
1694
TestResult::TestResult()
1695
: death_test_count_(0),
1700
TestResult::~TestResult() {
1703
// Returns the i-th test part result among all the results. i can
1704
// range from 0 to total_part_count() - 1. If i is not in that range,
1705
// aborts the program.
1706
const TestPartResult& TestResult::GetTestPartResult(int i) const {
1707
if (i < 0 || i >= total_part_count())
1708
internal::posix::Abort();
1709
return test_part_results_.at(i);
1712
// Returns the i-th test property. i can range from 0 to
1713
// test_property_count() - 1. If i is not in that range, aborts the
1715
const TestProperty& TestResult::GetTestProperty(int i) const {
1716
if (i < 0 || i >= test_property_count())
1717
internal::posix::Abort();
1718
return test_properties_.at(i);
1721
// Clears the test part results.
1722
void TestResult::ClearTestPartResults() {
1723
test_part_results_.clear();
1726
// Adds a test part result to the list.
1727
void TestResult::AddTestPartResult(const TestPartResult& test_part_result) {
1728
test_part_results_.push_back(test_part_result);
1731
// Adds a test property to the list. If a property with the same key as the
1732
// supplied property is already represented, the value of this test_property
1733
// replaces the old value for that key.
1734
void TestResult::RecordProperty(const std::string& xml_element,
1735
const TestProperty& test_property) {
1736
if (!ValidateTestProperty(xml_element, test_property)) {
1739
internal::MutexLock lock(&test_properites_mutex_);
1740
const std::vector<TestProperty>::iterator property_with_matching_key =
1741
std::find_if(test_properties_.begin(), test_properties_.end(),
1742
internal::TestPropertyKeyIs(test_property.key()));
1743
if (property_with_matching_key == test_properties_.end()) {
1744
test_properties_.push_back(test_property);
1747
property_with_matching_key->SetValue(test_property.value());
1750
// The list of reserved attributes used in the <testsuites> element of XML
1752
static const char* const kReservedTestSuitesAttributes[] = {
1763
// The list of reserved attributes used in the <testsuite> element of XML
1765
static const char* const kReservedTestSuiteAttributes[] = {
1774
// The list of reserved attributes used in the <testcase> element of XML output.
1775
static const char* const kReservedTestCaseAttributes[] = {
1784
template <int kSize>
1785
std::vector<std::string> ArrayAsVector(const char* const (&array)[kSize]) {
1786
return std::vector<std::string>(array, array + kSize);
1789
static std::vector<std::string> GetReservedAttributesForElement(
1790
const std::string& xml_element) {
1791
if (xml_element == "testsuites") {
1792
return ArrayAsVector(kReservedTestSuitesAttributes);
1793
} else if (xml_element == "testsuite") {
1794
return ArrayAsVector(kReservedTestSuiteAttributes);
1795
} else if (xml_element == "testcase") {
1796
return ArrayAsVector(kReservedTestCaseAttributes);
1798
GTEST_CHECK_(false) << "Unrecognized xml_element provided: " << xml_element;
1800
// This code is unreachable but some compilers may not realizes that.
1801
return std::vector<std::string>();
1804
static std::string FormatWordList(const std::vector<std::string>& words) {
1806
for (size_t i = 0; i < words.size(); ++i) {
1807
if (i > 0 && words.size() > 2) {
1810
if (i == words.size() - 1) {
1811
word_list << "and ";
1813
word_list << "'" << words[i] << "'";
1815
return word_list.GetString();
1818
bool ValidateTestPropertyName(const std::string& property_name,
1819
const std::vector<std::string>& reserved_names) {
1820
if (std::find(reserved_names.begin(), reserved_names.end(), property_name) !=
1821
reserved_names.end()) {
1822
ADD_FAILURE() << "Reserved key used in RecordProperty(): " << property_name
1823
<< " (" << FormatWordList(reserved_names)
1824
<< " are reserved by " << GTEST_NAME_ << ")";
1830
// Adds a failure if the key is a reserved attribute of the element named
1831
// xml_element. Returns true if the property is valid.
1832
bool TestResult::ValidateTestProperty(const std::string& xml_element,
1833
const TestProperty& test_property) {
1834
return ValidateTestPropertyName(test_property.key(),
1835
GetReservedAttributesForElement(xml_element));
1838
// Clears the object.
1839
void TestResult::Clear() {
1840
test_part_results_.clear();
1841
test_properties_.clear();
1842
death_test_count_ = 0;
1846
// Returns true iff the test failed.
1847
bool TestResult::Failed() const {
1848
for (int i = 0; i < total_part_count(); ++i) {
1849
if (GetTestPartResult(i).failed())
1855
// Returns true iff the test part fatally failed.
1856
static bool TestPartFatallyFailed(const TestPartResult& result) {
1857
return result.fatally_failed();
1860
// Returns true iff the test fatally failed.
1861
bool TestResult::HasFatalFailure() const {
1862
return CountIf(test_part_results_, TestPartFatallyFailed) > 0;
1865
// Returns true iff the test part non-fatally failed.
1866
static bool TestPartNonfatallyFailed(const TestPartResult& result) {
1867
return result.nonfatally_failed();
1870
// Returns true iff the test has a non-fatal failure.
1871
bool TestResult::HasNonfatalFailure() const {
1872
return CountIf(test_part_results_, TestPartNonfatallyFailed) > 0;
1875
// Gets the number of all test parts. This is the sum of the number
1876
// of successful test parts and the number of failed test parts.
1877
int TestResult::total_part_count() const {
1878
return static_cast<int>(test_part_results_.size());
1881
// Returns the number of the test properties.
1882
int TestResult::test_property_count() const {
1883
return static_cast<int>(test_properties_.size());
1888
// Creates a Test object.
1890
// The c'tor saves the values of all Google Test flags.
1892
: gtest_flag_saver_(new internal::GTestFlagSaver) {
1895
// The d'tor restores the values of all Google Test flags.
1897
delete gtest_flag_saver_;
1900
// Sets up the test fixture.
1902
// A sub-class may override this.
1903
void Test::SetUp() {
1906
// Tears down the test fixture.
1908
// A sub-class may override this.
1909
void Test::TearDown() {
1912
// Allows user supplied key value pairs to be recorded for later output.
1913
void Test::RecordProperty(const std::string& key, const std::string& value) {
1914
UnitTest::GetInstance()->RecordProperty(key, value);
1917
// Allows user supplied key value pairs to be recorded for later output.
1918
void Test::RecordProperty(const std::string& key, int value) {
1919
Message value_message;
1920
value_message << value;
1921
RecordProperty(key, value_message.GetString().c_str());
1924
namespace internal {
1926
void ReportFailureInUnknownLocation(TestPartResult::Type result_type,
1927
const std::string& message) {
1928
// This function is a friend of UnitTest and as such has access to
1929
// AddTestPartResult.
1930
UnitTest::GetInstance()->AddTestPartResult(
1932
NULL, // No info about the source file where the exception occurred.
1933
-1, // We have no info on which line caused the exception.
1935
""); // No stack trace, either.
1938
} // namespace internal
1940
// Google Test requires all tests in the same test case to use the same test
1941
// fixture class. This function checks if the current test has the
1942
// same fixture class as the first test in the current test case. If
1943
// yes, it returns true; otherwise it generates a Google Test failure and
1945
bool Test::HasSameFixtureClass() {
1946
internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
1947
const TestCase* const test_case = impl->current_test_case();
1949
// Info about the first test in the current test case.
1950
const TestInfo* const first_test_info = test_case->test_info_list()[0];
1951
const internal::TypeId first_fixture_id = first_test_info->fixture_class_id_;
1952
const char* const first_test_name = first_test_info->name();
1954
// Info about the current test.
1955
const TestInfo* const this_test_info = impl->current_test_info();
1956
const internal::TypeId this_fixture_id = this_test_info->fixture_class_id_;
1957
const char* const this_test_name = this_test_info->name();
1959
if (this_fixture_id != first_fixture_id) {
1960
// Is the first test defined using TEST?
1961
const bool first_is_TEST = first_fixture_id == internal::GetTestTypeId();
1962
// Is this test defined using TEST?
1963
const bool this_is_TEST = this_fixture_id == internal::GetTestTypeId();
1965
if (first_is_TEST || this_is_TEST) {
1966
// The user mixed TEST and TEST_F in this test case - we'll tell
1967
// him/her how to fix it.
1969
// Gets the name of the TEST and the name of the TEST_F. Note
1970
// that first_is_TEST and this_is_TEST cannot both be true, as
1971
// the fixture IDs are different for the two tests.
1972
const char* const TEST_name =
1973
first_is_TEST ? first_test_name : this_test_name;
1974
const char* const TEST_F_name =
1975
first_is_TEST ? this_test_name : first_test_name;
1978
<< "All tests in the same test case must use the same test fixture\n"
1979
<< "class, so mixing TEST_F and TEST in the same test case is\n"
1980
<< "illegal. In test case " << this_test_info->test_case_name()
1982
<< "test " << TEST_F_name << " is defined using TEST_F but\n"
1983
<< "test " << TEST_name << " is defined using TEST. You probably\n"
1984
<< "want to change the TEST to TEST_F or move it to another test\n"
1987
// The user defined two fixture classes with the same name in
1988
// two namespaces - we'll tell him/her how to fix it.
1990
<< "All tests in the same test case must use the same test fixture\n"
1991
<< "class. However, in test case "
1992
<< this_test_info->test_case_name() << ",\n"
1993
<< "you defined test " << first_test_name
1994
<< " and test " << this_test_name << "\n"
1995
<< "using two different test fixture classes. This can happen if\n"
1996
<< "the two classes are from different namespaces or translation\n"
1997
<< "units and have the same name. You should probably rename one\n"
1998
<< "of the classes to put the tests into different test cases.";
2008
// Adds an "exception thrown" fatal failure to the current test. This
2009
// function returns its result via an output parameter pointer because VC++
2010
// prohibits creation of objects with destructors on stack in functions
2011
// using __try (see error C2712).
2012
static std::string* FormatSehExceptionMessage(DWORD exception_code,
2013
const char* location) {
2015
message << "SEH exception with code 0x" << std::setbase(16) <<
2016
exception_code << std::setbase(10) << " thrown in " << location << ".";
2018
return new std::string(message.GetString());
2021
#endif // GTEST_HAS_SEH
2023
namespace internal {
2025
#if GTEST_HAS_EXCEPTIONS
2027
// Adds an "exception thrown" fatal failure to the current test.
2028
static std::string FormatCxxExceptionMessage(const char* description,
2029
const char* location) {
2031
if (description != NULL) {
2032
message << "C++ exception with description \"" << description << "\"";
2034
message << "Unknown C++ exception";
2036
message << " thrown in " << location << ".";
2038
return message.GetString();
2041
static std::string PrintTestPartResultToString(
2042
const TestPartResult& test_part_result);
2044
GoogleTestFailureException::GoogleTestFailureException(
2045
const TestPartResult& failure)
2046
: ::std::runtime_error(PrintTestPartResultToString(failure).c_str()) {}
2048
#endif // GTEST_HAS_EXCEPTIONS
2050
// We put these helper functions in the internal namespace as IBM's xlC
2051
// compiler rejects the code if they were declared static.
2053
// Runs the given method and handles SEH exceptions it throws, when
2054
// SEH is supported; returns the 0-value for type Result in case of an
2055
// SEH exception. (Microsoft compilers cannot handle SEH and C++
2056
// exceptions in the same function. Therefore, we provide a separate
2057
// wrapper function for handling SEH exceptions.)
2058
template <class T, typename Result>
2059
Result HandleSehExceptionsInMethodIfSupported(
2060
T* object, Result (T::*method)(), const char* location) {
2063
return (object->*method)();
2064
} __except (internal::UnitTestOptions::GTestShouldProcessSEH( // NOLINT
2065
GetExceptionCode())) {
2066
// We create the exception message on the heap because VC++ prohibits
2067
// creation of objects with destructors on stack in functions using __try
2068
// (see error C2712).
2069
std::string* exception_message = FormatSehExceptionMessage(
2070
GetExceptionCode(), location);
2071
internal::ReportFailureInUnknownLocation(TestPartResult::kFatalFailure,
2072
*exception_message);
2073
delete exception_message;
2074
return static_cast<Result>(0);
2078
return (object->*method)();
2079
#endif // GTEST_HAS_SEH
2082
// Runs the given method and catches and reports C++ and/or SEH-style
2083
// exceptions, if they are supported; returns the 0-value for type
2084
// Result in case of an SEH exception.
2085
template <class T, typename Result>
2086
Result HandleExceptionsInMethodIfSupported(
2087
T* object, Result (T::*method)(), const char* location) {
2088
// NOTE: The user code can affect the way in which Google Test handles
2089
// exceptions by setting GTEST_FLAG(catch_exceptions), but only before
2090
// RUN_ALL_TESTS() starts. It is technically possible to check the flag
2091
// after the exception is caught and either report or re-throw the
2092
// exception based on the flag's value:
2095
// // Perform the test method.
2097
// if (GTEST_FLAG(catch_exceptions))
2098
// // Report the exception as failure.
2100
// throw; // Re-throws the original exception.
2103
// However, the purpose of this flag is to allow the program to drop into
2104
// the debugger when the exception is thrown. On most platforms, once the
2105
// control enters the catch block, the exception origin information is
2106
// lost and the debugger will stop the program at the point of the
2107
// re-throw in this function -- instead of at the point of the original
2108
// throw statement in the code under test. For this reason, we perform
2109
// the check early, sacrificing the ability to affect Google Test's
2110
// exception handling in the method where the exception is thrown.
2111
if (internal::GetUnitTestImpl()->catch_exceptions()) {
2112
#if GTEST_HAS_EXCEPTIONS
2114
return HandleSehExceptionsInMethodIfSupported(object, method, location);
2115
} catch (const internal::GoogleTestFailureException&) { // NOLINT
2116
// This exception type can only be thrown by a failed Google
2117
// Test assertion with the intention of letting another testing
2118
// framework catch it. Therefore we just re-throw it.
2120
} catch (const std::exception& e) { // NOLINT
2121
internal::ReportFailureInUnknownLocation(
2122
TestPartResult::kFatalFailure,
2123
FormatCxxExceptionMessage(e.what(), location));
2124
} catch (...) { // NOLINT
2125
internal::ReportFailureInUnknownLocation(
2126
TestPartResult::kFatalFailure,
2127
FormatCxxExceptionMessage(NULL, location));
2129
return static_cast<Result>(0);
2131
return HandleSehExceptionsInMethodIfSupported(object, method, location);
2132
#endif // GTEST_HAS_EXCEPTIONS
2134
return (object->*method)();
2138
} // namespace internal
2140
// Runs the test and updates the test result.
2142
if (!HasSameFixtureClass()) return;
2144
internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
2145
impl->os_stack_trace_getter()->UponLeavingGTest();
2146
internal::HandleExceptionsInMethodIfSupported(this, &Test::SetUp, "SetUp()");
2147
// We will run the test only if SetUp() was successful.
2148
if (!HasFatalFailure()) {
2149
impl->os_stack_trace_getter()->UponLeavingGTest();
2150
internal::HandleExceptionsInMethodIfSupported(
2151
this, &Test::TestBody, "the test body");
2154
// However, we want to clean up as much as possible. Hence we will
2155
// always call TearDown(), even if SetUp() or the test body has
2157
impl->os_stack_trace_getter()->UponLeavingGTest();
2158
internal::HandleExceptionsInMethodIfSupported(
2159
this, &Test::TearDown, "TearDown()");
2162
// Returns true iff the current test has a fatal failure.
2163
bool Test::HasFatalFailure() {
2164
return internal::GetUnitTestImpl()->current_test_result()->HasFatalFailure();
2167
// Returns true iff the current test has a non-fatal failure.
2168
bool Test::HasNonfatalFailure() {
2169
return internal::GetUnitTestImpl()->current_test_result()->
2170
HasNonfatalFailure();
2175
// Constructs a TestInfo object. It assumes ownership of the test factory
2177
TestInfo::TestInfo(const std::string& a_test_case_name,
2178
const std::string& a_name,
2179
const char* a_type_param,
2180
const char* a_value_param,
2181
internal::TypeId fixture_class_id,
2182
internal::TestFactoryBase* factory)
2183
: test_case_name_(a_test_case_name),
2185
type_param_(a_type_param ? new std::string(a_type_param) : NULL),
2186
value_param_(a_value_param ? new std::string(a_value_param) : NULL),
2187
fixture_class_id_(fixture_class_id),
2189
is_disabled_(false),
2190
matches_filter_(false),
2194
// Destructs a TestInfo object.
2195
TestInfo::~TestInfo() { delete factory_; }
2197
namespace internal {
2199
// Creates a new TestInfo object and registers it with Google Test;
2200
// returns the created object.
2204
// test_case_name: name of the test case
2205
// name: name of the test
2206
// type_param: the name of the test's type parameter, or NULL if
2207
// this is not a typed or a type-parameterized test.
2208
// value_param: text representation of the test's value parameter,
2209
// or NULL if this is not a value-parameterized test.
2210
// fixture_class_id: ID of the test fixture class
2211
// set_up_tc: pointer to the function that sets up the test case
2212
// tear_down_tc: pointer to the function that tears down the test case
2213
// factory: pointer to the factory that creates a test object.
2214
// The newly created TestInfo instance will assume
2215
// ownership of the factory object.
2216
TestInfo* MakeAndRegisterTestInfo(
2217
const char* test_case_name,
2219
const char* type_param,
2220
const char* value_param,
2221
TypeId fixture_class_id,
2222
SetUpTestCaseFunc set_up_tc,
2223
TearDownTestCaseFunc tear_down_tc,
2224
TestFactoryBase* factory) {
2225
TestInfo* const test_info =
2226
new TestInfo(test_case_name, name, type_param, value_param,
2227
fixture_class_id, factory);
2228
GetUnitTestImpl()->AddTestInfo(set_up_tc, tear_down_tc, test_info);
2232
#if GTEST_HAS_PARAM_TEST
2233
void ReportInvalidTestCaseType(const char* test_case_name,
2234
const char* file, int line) {
2237
<< "Attempted redefinition of test case " << test_case_name << ".\n"
2238
<< "All tests in the same test case must use the same test fixture\n"
2239
<< "class. However, in test case " << test_case_name << ", you tried\n"
2240
<< "to define a test using a fixture class different from the one\n"
2241
<< "used earlier. This can happen if the two fixture classes are\n"
2242
<< "from different namespaces and have the same name. You should\n"
2243
<< "probably rename one of the classes to put the tests into different\n"
2246
fprintf(stderr, "%s %s", FormatFileLocation(file, line).c_str(),
2247
errors.GetString().c_str());
2249
#endif // GTEST_HAS_PARAM_TEST
2251
} // namespace internal
2255
// A predicate that checks the test name of a TestInfo against a known
2258
// This is used for implementation of the TestCase class only. We put
2259
// it in the anonymous namespace to prevent polluting the outer
2262
// TestNameIs is copyable.
2267
// TestNameIs has NO default constructor.
2268
explicit TestNameIs(const char* name)
2271
// Returns true iff the test name of test_info matches name_.
2272
bool operator()(const TestInfo * test_info) const {
2273
return test_info && test_info->name() == name_;
2282
namespace internal {
2284
// This method expands all parameterized tests registered with macros TEST_P
2285
// and INSTANTIATE_TEST_CASE_P into regular tests and registers those.
2286
// This will be done just once during the program runtime.
2287
void UnitTestImpl::RegisterParameterizedTests() {
2288
#if GTEST_HAS_PARAM_TEST
2289
if (!parameterized_tests_registered_) {
2290
parameterized_test_registry_.RegisterTests();
2291
parameterized_tests_registered_ = true;
2296
} // namespace internal
2298
// Creates the test object, runs it, records its result, and then
2300
void TestInfo::Run() {
2301
if (!should_run_) return;
2303
// Tells UnitTest where to store test result.
2304
internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
2305
impl->set_current_test_info(this);
2307
TestEventListener* repeater = UnitTest::GetInstance()->listeners().repeater();
2309
// Notifies the unit test event listeners that a test is about to start.
2310
repeater->OnTestStart(*this);
2312
const TimeInMillis start = internal::GetTimeInMillis();
2314
impl->os_stack_trace_getter()->UponLeavingGTest();
2316
// Creates the test object.
2317
Test* const test = internal::HandleExceptionsInMethodIfSupported(
2318
factory_, &internal::TestFactoryBase::CreateTest,
2319
"the test fixture's constructor");
2321
// Runs the test only if the test object was created and its
2322
// constructor didn't generate a fatal failure.
2323
if ((test != NULL) && !Test::HasFatalFailure()) {
2324
// This doesn't throw as all user code that can throw are wrapped into
2325
// exception handling code.
2329
// Deletes the test object.
2330
impl->os_stack_trace_getter()->UponLeavingGTest();
2331
internal::HandleExceptionsInMethodIfSupported(
2332
test, &Test::DeleteSelf_, "the test fixture's destructor");
2334
result_.set_elapsed_time(internal::GetTimeInMillis() - start);
2336
// Notifies the unit test event listener that a test has just finished.
2337
repeater->OnTestEnd(*this);
2339
// Tells UnitTest to stop associating assertion results to this
2341
impl->set_current_test_info(NULL);
2346
// Gets the number of successful tests in this test case.
2347
int TestCase::successful_test_count() const {
2348
return CountIf(test_info_list_, TestPassed);
2351
// Gets the number of failed tests in this test case.
2352
int TestCase::failed_test_count() const {
2353
return CountIf(test_info_list_, TestFailed);
2356
// Gets the number of disabled tests that will be reported in the XML report.
2357
int TestCase::reportable_disabled_test_count() const {
2358
return CountIf(test_info_list_, TestReportableDisabled);
2361
// Gets the number of disabled tests in this test case.
2362
int TestCase::disabled_test_count() const {
2363
return CountIf(test_info_list_, TestDisabled);
2366
// Gets the number of tests to be printed in the XML report.
2367
int TestCase::reportable_test_count() const {
2368
return CountIf(test_info_list_, TestReportable);
2371
// Get the number of tests in this test case that should run.
2372
int TestCase::test_to_run_count() const {
2373
return CountIf(test_info_list_, ShouldRunTest);
2376
// Gets the number of all tests.
2377
int TestCase::total_test_count() const {
2378
return static_cast<int>(test_info_list_.size());
2381
// Creates a TestCase with the given name.
2385
// name: name of the test case
2386
// a_type_param: the name of the test case's type parameter, or NULL if
2387
// this is not a typed or a type-parameterized test case.
2388
// set_up_tc: pointer to the function that sets up the test case
2389
// tear_down_tc: pointer to the function that tears down the test case
2390
TestCase::TestCase(const char* a_name, const char* a_type_param,
2391
Test::SetUpTestCaseFunc set_up_tc,
2392
Test::TearDownTestCaseFunc tear_down_tc)
2394
type_param_(a_type_param ? new std::string(a_type_param) : NULL),
2395
set_up_tc_(set_up_tc),
2396
tear_down_tc_(tear_down_tc),
2401
// Destructor of TestCase.
2402
TestCase::~TestCase() {
2403
// Deletes every Test in the collection.
2404
ForEach(test_info_list_, internal::Delete<TestInfo>);
2407
// Returns the i-th test among all the tests. i can range from 0 to
2408
// total_test_count() - 1. If i is not in that range, returns NULL.
2409
const TestInfo* TestCase::GetTestInfo(int i) const {
2410
const int index = GetElementOr(test_indices_, i, -1);
2411
return index < 0 ? NULL : test_info_list_[index];
2414
// Returns the i-th test among all the tests. i can range from 0 to
2415
// total_test_count() - 1. If i is not in that range, returns NULL.
2416
TestInfo* TestCase::GetMutableTestInfo(int i) {
2417
const int index = GetElementOr(test_indices_, i, -1);
2418
return index < 0 ? NULL : test_info_list_[index];
2421
// Adds a test to this test case. Will delete the test upon
2422
// destruction of the TestCase object.
2423
void TestCase::AddTestInfo(TestInfo * test_info) {
2424
test_info_list_.push_back(test_info);
2425
test_indices_.push_back(static_cast<int>(test_indices_.size()));
2428
// Runs every test in this TestCase.
2429
void TestCase::Run() {
2430
if (!should_run_) return;
2432
internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
2433
impl->set_current_test_case(this);
2435
TestEventListener* repeater = UnitTest::GetInstance()->listeners().repeater();
2437
repeater->OnTestCaseStart(*this);
2438
impl->os_stack_trace_getter()->UponLeavingGTest();
2439
internal::HandleExceptionsInMethodIfSupported(
2440
this, &TestCase::RunSetUpTestCase, "SetUpTestCase()");
2442
const internal::TimeInMillis start = internal::GetTimeInMillis();
2443
for (int i = 0; i < total_test_count(); i++) {
2444
GetMutableTestInfo(i)->Run();
2446
elapsed_time_ = internal::GetTimeInMillis() - start;
2448
impl->os_stack_trace_getter()->UponLeavingGTest();
2449
internal::HandleExceptionsInMethodIfSupported(
2450
this, &TestCase::RunTearDownTestCase, "TearDownTestCase()");
2452
repeater->OnTestCaseEnd(*this);
2453
impl->set_current_test_case(NULL);
2456
// Clears the results of all tests in this test case.
2457
void TestCase::ClearResult() {
2458
ad_hoc_test_result_.Clear();
2459
ForEach(test_info_list_, TestInfo::ClearTestResult);
2462
// Shuffles the tests in this test case.
2463
void TestCase::ShuffleTests(internal::Random* random) {
2464
Shuffle(random, &test_indices_);
2467
// Restores the test order to before the first shuffle.
2468
void TestCase::UnshuffleTests() {
2469
for (size_t i = 0; i < test_indices_.size(); i++) {
2470
test_indices_[i] = static_cast<int>(i);
2474
// Formats a countable noun. Depending on its quantity, either the
2475
// singular form or the plural form is used. e.g.
2477
// FormatCountableNoun(1, "formula", "formuli") returns "1 formula".
2478
// FormatCountableNoun(5, "book", "books") returns "5 books".
2479
static std::string FormatCountableNoun(int count,
2480
const char * singular_form,
2481
const char * plural_form) {
2482
return internal::StreamableToString(count) + " " +
2483
(count == 1 ? singular_form : plural_form);
2486
// Formats the count of tests.
2487
static std::string FormatTestCount(int test_count) {
2488
return FormatCountableNoun(test_count, "test", "tests");
2491
// Formats the count of test cases.
2492
static std::string FormatTestCaseCount(int test_case_count) {
2493
return FormatCountableNoun(test_case_count, "test case", "test cases");
2496
// Converts a TestPartResult::Type enum to human-friendly string
2497
// representation. Both kNonFatalFailure and kFatalFailure are translated
2498
// to "Failure", as the user usually doesn't care about the difference
2499
// between the two when viewing the test result.
2500
static const char * TestPartResultTypeToString(TestPartResult::Type type) {
2502
case TestPartResult::kSuccess:
2505
case TestPartResult::kNonFatalFailure:
2506
case TestPartResult::kFatalFailure:
2513
return "Unknown result type";
2517
namespace internal {
2519
// Prints a TestPartResult to an std::string.
2520
static std::string PrintTestPartResultToString(
2521
const TestPartResult& test_part_result) {
2523
<< internal::FormatFileLocation(test_part_result.file_name(),
2524
test_part_result.line_number())
2525
<< " " << TestPartResultTypeToString(test_part_result.type())
2526
<< test_part_result.message()).GetString();
2529
// Prints a TestPartResult.
2530
static void PrintTestPartResult(const TestPartResult& test_part_result) {
2531
const std::string& result =
2532
PrintTestPartResultToString(test_part_result);
2533
printf("%s\n", result.c_str());
2535
// If the test program runs in Visual Studio or a debugger, the
2536
// following statements add the test part result message to the Output
2537
// window such that the user can double-click on it to jump to the
2538
// corresponding source code location; otherwise they do nothing.
2539
#if GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE
2540
// We don't call OutputDebugString*() on Windows Mobile, as printing
2541
// to stdout is done by OutputDebugString() there already - we don't
2542
// want the same message printed twice.
2543
::OutputDebugStringA(result.c_str());
2544
::OutputDebugStringA("\n");
2548
// class PrettyUnitTestResultPrinter
2557
#if GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE
2559
// Returns the character attribute for the given color.
2560
WORD GetColorAttribute(GTestColor color) {
2562
case COLOR_RED: return FOREGROUND_RED;
2563
case COLOR_GREEN: return FOREGROUND_GREEN;
2564
case COLOR_YELLOW: return FOREGROUND_RED | FOREGROUND_GREEN;
2571
// Returns the ANSI color code for the given color. COLOR_DEFAULT is
2572
// an invalid input.
2573
const char* GetAnsiColorCode(GTestColor color) {
2575
case COLOR_RED: return "1";
2576
case COLOR_GREEN: return "2";
2577
case COLOR_YELLOW: return "3";
2578
default: return NULL;
2582
#endif // GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE
2584
// Returns true iff Google Test should use colors in the output.
2585
bool ShouldUseColor(bool stdout_is_tty) {
2586
const char* const gtest_color = GTEST_FLAG(color).c_str();
2588
if (String::CaseInsensitiveCStringEquals(gtest_color, "auto")) {
2589
#if GTEST_OS_WINDOWS
2590
// On Windows the TERM variable is usually not set, but the
2591
// console there does support colors.
2592
return stdout_is_tty;
2594
// On non-Windows platforms, we rely on the TERM variable.
2595
const char* const term = posix::GetEnv("TERM");
2596
const bool term_supports_color =
2597
String::CStringEquals(term, "xterm") ||
2598
String::CStringEquals(term, "xterm-color") ||
2599
String::CStringEquals(term, "xterm-256color") ||
2600
String::CStringEquals(term, "screen") ||
2601
String::CStringEquals(term, "screen-256color") ||
2602
String::CStringEquals(term, "linux") ||
2603
String::CStringEquals(term, "cygwin");
2604
return stdout_is_tty && term_supports_color;
2605
#endif // GTEST_OS_WINDOWS
2608
return String::CaseInsensitiveCStringEquals(gtest_color, "yes") ||
2609
String::CaseInsensitiveCStringEquals(gtest_color, "true") ||
2610
String::CaseInsensitiveCStringEquals(gtest_color, "t") ||
2611
String::CStringEquals(gtest_color, "1");
2612
// We take "yes", "true", "t", and "1" as meaning "yes". If the
2613
// value is neither one of these nor "auto", we treat it as "no" to
2617
// Helpers for printing colored strings to stdout. Note that on Windows, we
2618
// cannot simply emit special characters and have the terminal change colors.
2619
// This routine must actually emit the characters rather than return a string
2620
// that would be colored when printed, as can be done on Linux.
2621
void ColoredPrintf(GTestColor color, const char* fmt, ...) {
2623
va_start(args, fmt);
2625
#if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_SYMBIAN || GTEST_OS_ZOS || GTEST_OS_IOS
2626
const bool use_color = false;
2628
static const bool in_color_mode =
2629
ShouldUseColor(posix::IsATTY(posix::FileNo(stdout)) != 0);
2630
const bool use_color = in_color_mode && (color != COLOR_DEFAULT);
2631
#endif // GTEST_OS_WINDOWS_MOBILE || GTEST_OS_SYMBIAN || GTEST_OS_ZOS
2632
// The '!= 0' comparison is necessary to satisfy MSVC 7.1.
2640
#if GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE
2641
const HANDLE stdout_handle = GetStdHandle(STD_OUTPUT_HANDLE);
2643
// Gets the current text color.
2644
CONSOLE_SCREEN_BUFFER_INFO buffer_info;
2645
GetConsoleScreenBufferInfo(stdout_handle, &buffer_info);
2646
const WORD old_color_attrs = buffer_info.wAttributes;
2648
// We need to flush the stream buffers into the console before each
2649
// SetConsoleTextAttribute call lest it affect the text that is already
2650
// printed but has not yet reached the console.
2652
SetConsoleTextAttribute(stdout_handle,
2653
GetColorAttribute(color) | FOREGROUND_INTENSITY);
2657
// Restores the text color.
2658
SetConsoleTextAttribute(stdout_handle, old_color_attrs);
2660
printf("\033[0;3%sm", GetAnsiColorCode(color));
2662
printf("\033[m"); // Resets the terminal to default.
2663
#endif // GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE
2667
// Text printed in Google Test's text output and --gunit_list_tests
2668
// output to label the type parameter and value parameter for a test.
2669
static const char kTypeParamLabel[] = "TypeParam";
2670
static const char kValueParamLabel[] = "GetParam()";
2672
void PrintFullTestCommentIfPresent(const TestInfo& test_info) {
2673
const char* const type_param = test_info.type_param();
2674
const char* const value_param = test_info.value_param();
2676
if (type_param != NULL || value_param != NULL) {
2678
if (type_param != NULL) {
2679
printf("%s = %s", kTypeParamLabel, type_param);
2680
if (value_param != NULL)
2683
if (value_param != NULL) {
2684
printf("%s = %s", kValueParamLabel, value_param);
2689
// This class implements the TestEventListener interface.
2691
// Class PrettyUnitTestResultPrinter is copyable.
2692
class PrettyUnitTestResultPrinter : public TestEventListener {
2694
PrettyUnitTestResultPrinter() {}
2695
static void PrintTestName(const char * test_case, const char * test) {
2696
printf("%s.%s", test_case, test);
2699
// The following methods override what's in the TestEventListener class.
2700
virtual void OnTestProgramStart(const UnitTest& /*unit_test*/) {}
2701
virtual void OnTestIterationStart(const UnitTest& unit_test, int iteration);
2702
virtual void OnEnvironmentsSetUpStart(const UnitTest& unit_test);
2703
virtual void OnEnvironmentsSetUpEnd(const UnitTest& /*unit_test*/) {}
2704
virtual void OnTestCaseStart(const TestCase& test_case);
2705
virtual void OnTestStart(const TestInfo& test_info);
2706
virtual void OnTestPartResult(const TestPartResult& result);
2707
virtual void OnTestEnd(const TestInfo& test_info);
2708
virtual void OnTestCaseEnd(const TestCase& test_case);
2709
virtual void OnEnvironmentsTearDownStart(const UnitTest& unit_test);
2710
virtual void OnEnvironmentsTearDownEnd(const UnitTest& /*unit_test*/) {}
2711
virtual void OnTestIterationEnd(const UnitTest& unit_test, int iteration);
2712
virtual void OnTestProgramEnd(const UnitTest& /*unit_test*/) {}
2715
static void PrintFailedTests(const UnitTest& unit_test);
2718
// Fired before each iteration of tests starts.
2719
void PrettyUnitTestResultPrinter::OnTestIterationStart(
2720
const UnitTest& unit_test, int iteration) {
2721
if (GTEST_FLAG(repeat) != 1)
2722
printf("\nRepeating all tests (iteration %d) . . .\n\n", iteration + 1);
2724
const char* const filter = GTEST_FLAG(filter).c_str();
2726
// Prints the filter if it's not *. This reminds the user that some
2727
// tests may be skipped.
2728
if (!String::CStringEquals(filter, kUniversalFilter)) {
2729
ColoredPrintf(COLOR_YELLOW,
2730
"Note: %s filter = %s\n", GTEST_NAME_, filter);
2733
if (internal::ShouldShard(kTestTotalShards, kTestShardIndex, false)) {
2734
const Int32 shard_index = Int32FromEnvOrDie(kTestShardIndex, -1);
2735
ColoredPrintf(COLOR_YELLOW,
2736
"Note: This is test shard %d of %s.\n",
2737
static_cast<int>(shard_index) + 1,
2738
internal::posix::GetEnv(kTestTotalShards));
2741
if (GTEST_FLAG(shuffle)) {
2742
ColoredPrintf(COLOR_YELLOW,
2743
"Note: Randomizing tests' orders with a seed of %d .\n",
2744
unit_test.random_seed());
2747
ColoredPrintf(COLOR_GREEN, "[==========] ");
2748
printf("Running %s from %s.\n",
2749
FormatTestCount(unit_test.test_to_run_count()).c_str(),
2750
FormatTestCaseCount(unit_test.test_case_to_run_count()).c_str());
2754
void PrettyUnitTestResultPrinter::OnEnvironmentsSetUpStart(
2755
const UnitTest& /*unit_test*/) {
2756
ColoredPrintf(COLOR_GREEN, "[----------] ");
2757
printf("Global test environment set-up.\n");
2761
void PrettyUnitTestResultPrinter::OnTestCaseStart(const TestCase& test_case) {
2762
const std::string counts =
2763
FormatCountableNoun(test_case.test_to_run_count(), "test", "tests");
2764
ColoredPrintf(COLOR_GREEN, "[----------] ");
2765
printf("%s from %s", counts.c_str(), test_case.name());
2766
if (test_case.type_param() == NULL) {
2769
printf(", where %s = %s\n", kTypeParamLabel, test_case.type_param());
2774
void PrettyUnitTestResultPrinter::OnTestStart(const TestInfo& test_info) {
2775
ColoredPrintf(COLOR_GREEN, "[ RUN ] ");
2776
PrintTestName(test_info.test_case_name(), test_info.name());
2781
// Called after an assertion failure.
2782
void PrettyUnitTestResultPrinter::OnTestPartResult(
2783
const TestPartResult& result) {
2784
// If the test part succeeded, we don't need to do anything.
2785
if (result.type() == TestPartResult::kSuccess)
2788
// Print failure message from the assertion (e.g. expected this and got that).
2789
PrintTestPartResult(result);
2793
void PrettyUnitTestResultPrinter::OnTestEnd(const TestInfo& test_info) {
2794
if (test_info.result()->Passed()) {
2795
ColoredPrintf(COLOR_GREEN, "[ OK ] ");
2797
ColoredPrintf(COLOR_RED, "[ FAILED ] ");
2799
PrintTestName(test_info.test_case_name(), test_info.name());
2800
if (test_info.result()->Failed())
2801
PrintFullTestCommentIfPresent(test_info);
2803
if (GTEST_FLAG(print_time)) {
2804
printf(" (%s ms)\n", internal::StreamableToString(
2805
test_info.result()->elapsed_time()).c_str());
2812
void PrettyUnitTestResultPrinter::OnTestCaseEnd(const TestCase& test_case) {
2813
if (!GTEST_FLAG(print_time)) return;
2815
const std::string counts =
2816
FormatCountableNoun(test_case.test_to_run_count(), "test", "tests");
2817
ColoredPrintf(COLOR_GREEN, "[----------] ");
2818
printf("%s from %s (%s ms total)\n\n",
2819
counts.c_str(), test_case.name(),
2820
internal::StreamableToString(test_case.elapsed_time()).c_str());
2824
void PrettyUnitTestResultPrinter::OnEnvironmentsTearDownStart(
2825
const UnitTest& /*unit_test*/) {
2826
ColoredPrintf(COLOR_GREEN, "[----------] ");
2827
printf("Global test environment tear-down\n");
2831
// Internal helper for printing the list of failed tests.
2832
void PrettyUnitTestResultPrinter::PrintFailedTests(const UnitTest& unit_test) {
2833
const int failed_test_count = unit_test.failed_test_count();
2834
if (failed_test_count == 0) {
2838
for (int i = 0; i < unit_test.total_test_case_count(); ++i) {
2839
const TestCase& test_case = *unit_test.GetTestCase(i);
2840
if (!test_case.should_run() || (test_case.failed_test_count() == 0)) {
2843
for (int j = 0; j < test_case.total_test_count(); ++j) {
2844
const TestInfo& test_info = *test_case.GetTestInfo(j);
2845
if (!test_info.should_run() || test_info.result()->Passed()) {
2848
ColoredPrintf(COLOR_RED, "[ FAILED ] ");
2849
printf("%s.%s", test_case.name(), test_info.name());
2850
PrintFullTestCommentIfPresent(test_info);
2856
void PrettyUnitTestResultPrinter::OnTestIterationEnd(const UnitTest& unit_test,
2857
int /*iteration*/) {
2858
ColoredPrintf(COLOR_GREEN, "[==========] ");
2859
printf("%s from %s ran.",
2860
FormatTestCount(unit_test.test_to_run_count()).c_str(),
2861
FormatTestCaseCount(unit_test.test_case_to_run_count()).c_str());
2862
if (GTEST_FLAG(print_time)) {
2863
printf(" (%s ms total)",
2864
internal::StreamableToString(unit_test.elapsed_time()).c_str());
2867
ColoredPrintf(COLOR_GREEN, "[ PASSED ] ");
2868
printf("%s.\n", FormatTestCount(unit_test.successful_test_count()).c_str());
2870
int num_failures = unit_test.failed_test_count();
2871
if (!unit_test.Passed()) {
2872
const int failed_test_count = unit_test.failed_test_count();
2873
ColoredPrintf(COLOR_RED, "[ FAILED ] ");
2874
printf("%s, listed below:\n", FormatTestCount(failed_test_count).c_str());
2875
PrintFailedTests(unit_test);
2876
printf("\n%2d FAILED %s\n", num_failures,
2877
num_failures == 1 ? "TEST" : "TESTS");
2880
int num_disabled = unit_test.reportable_disabled_test_count();
2881
if (num_disabled && !GTEST_FLAG(also_run_disabled_tests)) {
2882
if (!num_failures) {
2883
printf("\n"); // Add a spacer if no FAILURE banner is displayed.
2885
ColoredPrintf(COLOR_YELLOW,
2886
" YOU HAVE %d DISABLED %s\n\n",
2888
num_disabled == 1 ? "TEST" : "TESTS");
2890
// Ensure that Google Test output is printed before, e.g., heapchecker output.
2894
// End PrettyUnitTestResultPrinter
2896
// class TestEventRepeater
2898
// This class forwards events to other event listeners.
2899
class TestEventRepeater : public TestEventListener {
2901
TestEventRepeater() : forwarding_enabled_(true) {}
2902
virtual ~TestEventRepeater();
2903
void Append(TestEventListener *listener);
2904
TestEventListener* Release(TestEventListener* listener);
2906
// Controls whether events will be forwarded to listeners_. Set to false
2907
// in death test child processes.
2908
bool forwarding_enabled() const { return forwarding_enabled_; }
2909
void set_forwarding_enabled(bool enable) { forwarding_enabled_ = enable; }
2911
virtual void OnTestProgramStart(const UnitTest& unit_test);
2912
virtual void OnTestIterationStart(const UnitTest& unit_test, int iteration);
2913
virtual void OnEnvironmentsSetUpStart(const UnitTest& unit_test);
2914
virtual void OnEnvironmentsSetUpEnd(const UnitTest& unit_test);
2915
virtual void OnTestCaseStart(const TestCase& test_case);
2916
virtual void OnTestStart(const TestInfo& test_info);
2917
virtual void OnTestPartResult(const TestPartResult& result);
2918
virtual void OnTestEnd(const TestInfo& test_info);
2919
virtual void OnTestCaseEnd(const TestCase& test_case);
2920
virtual void OnEnvironmentsTearDownStart(const UnitTest& unit_test);
2921
virtual void OnEnvironmentsTearDownEnd(const UnitTest& unit_test);
2922
virtual void OnTestIterationEnd(const UnitTest& unit_test, int iteration);
2923
virtual void OnTestProgramEnd(const UnitTest& unit_test);
2926
// Controls whether events will be forwarded to listeners_. Set to false
2927
// in death test child processes.
2928
bool forwarding_enabled_;
2929
// The list of listeners that receive events.
2930
std::vector<TestEventListener*> listeners_;
2932
GTEST_DISALLOW_COPY_AND_ASSIGN_(TestEventRepeater);
2935
TestEventRepeater::~TestEventRepeater() {
2936
ForEach(listeners_, Delete<TestEventListener>);
2939
void TestEventRepeater::Append(TestEventListener *listener) {
2940
listeners_.push_back(listener);
2943
// TODO(vladl@google.com): Factor the search functionality into Vector::Find.
2944
TestEventListener* TestEventRepeater::Release(TestEventListener *listener) {
2945
for (size_t i = 0; i < listeners_.size(); ++i) {
2946
if (listeners_[i] == listener) {
2947
listeners_.erase(listeners_.begin() + i);
2955
// Since most methods are very similar, use macros to reduce boilerplate.
2956
// This defines a member that forwards the call to all listeners.
2957
#define GTEST_REPEATER_METHOD_(Name, Type) \
2958
void TestEventRepeater::Name(const Type& parameter) { \
2959
if (forwarding_enabled_) { \
2960
for (size_t i = 0; i < listeners_.size(); i++) { \
2961
listeners_[i]->Name(parameter); \
2965
// This defines a member that forwards the call to all listeners in reverse
2967
#define GTEST_REVERSE_REPEATER_METHOD_(Name, Type) \
2968
void TestEventRepeater::Name(const Type& parameter) { \
2969
if (forwarding_enabled_) { \
2970
for (int i = static_cast<int>(listeners_.size()) - 1; i >= 0; i--) { \
2971
listeners_[i]->Name(parameter); \
2976
GTEST_REPEATER_METHOD_(OnTestProgramStart, UnitTest)
2977
GTEST_REPEATER_METHOD_(OnEnvironmentsSetUpStart, UnitTest)
2978
GTEST_REPEATER_METHOD_(OnTestCaseStart, TestCase)
2979
GTEST_REPEATER_METHOD_(OnTestStart, TestInfo)
2980
GTEST_REPEATER_METHOD_(OnTestPartResult, TestPartResult)
2981
GTEST_REPEATER_METHOD_(OnEnvironmentsTearDownStart, UnitTest)
2982
GTEST_REVERSE_REPEATER_METHOD_(OnEnvironmentsSetUpEnd, UnitTest)
2983
GTEST_REVERSE_REPEATER_METHOD_(OnEnvironmentsTearDownEnd, UnitTest)
2984
GTEST_REVERSE_REPEATER_METHOD_(OnTestEnd, TestInfo)
2985
GTEST_REVERSE_REPEATER_METHOD_(OnTestCaseEnd, TestCase)
2986
GTEST_REVERSE_REPEATER_METHOD_(OnTestProgramEnd, UnitTest)
2988
#undef GTEST_REPEATER_METHOD_
2989
#undef GTEST_REVERSE_REPEATER_METHOD_
2991
void TestEventRepeater::OnTestIterationStart(const UnitTest& unit_test,
2993
if (forwarding_enabled_) {
2994
for (size_t i = 0; i < listeners_.size(); i++) {
2995
listeners_[i]->OnTestIterationStart(unit_test, iteration);
3000
void TestEventRepeater::OnTestIterationEnd(const UnitTest& unit_test,
3002
if (forwarding_enabled_) {
3003
for (int i = static_cast<int>(listeners_.size()) - 1; i >= 0; i--) {
3004
listeners_[i]->OnTestIterationEnd(unit_test, iteration);
3009
// End TestEventRepeater
3011
// This class generates an XML output file.
3012
class XmlUnitTestResultPrinter : public EmptyTestEventListener {
3014
explicit XmlUnitTestResultPrinter(const char* output_file);
3016
virtual void OnTestIterationEnd(const UnitTest& unit_test, int iteration);
3019
// Is c a whitespace character that is normalized to a space character
3020
// when it appears in an XML attribute value?
3021
static bool IsNormalizableWhitespace(char c) {
3022
return c == 0x9 || c == 0xA || c == 0xD;
3025
// May c appear in a well-formed XML document?
3026
static bool IsValidXmlCharacter(char c) {
3027
return IsNormalizableWhitespace(c) || c >= 0x20;
3030
// Returns an XML-escaped copy of the input string str. If
3031
// is_attribute is true, the text is meant to appear as an attribute
3032
// value, and normalizable whitespace is preserved by replacing it
3033
// with character references.
3034
static std::string EscapeXml(const std::string& str, bool is_attribute);
3036
// Returns the given string with all characters invalid in XML removed.
3037
static std::string RemoveInvalidXmlCharacters(const std::string& str);
3039
// Convenience wrapper around EscapeXml when str is an attribute value.
3040
static std::string EscapeXmlAttribute(const std::string& str) {
3041
return EscapeXml(str, true);
3044
// Convenience wrapper around EscapeXml when str is not an attribute value.
3045
static std::string EscapeXmlText(const char* str) {
3046
return EscapeXml(str, false);
3049
// Verifies that the given attribute belongs to the given element and
3050
// streams the attribute as XML.
3051
static void OutputXmlAttribute(std::ostream* stream,
3052
const std::string& element_name,
3053
const std::string& name,
3054
const std::string& value);
3056
// Streams an XML CDATA section, escaping invalid CDATA sequences as needed.
3057
static void OutputXmlCDataSection(::std::ostream* stream, const char* data);
3059
// Streams an XML representation of a TestInfo object.
3060
static void OutputXmlTestInfo(::std::ostream* stream,
3061
const char* test_case_name,
3062
const TestInfo& test_info);
3064
// Prints an XML representation of a TestCase object
3065
static void PrintXmlTestCase(::std::ostream* stream,
3066
const TestCase& test_case);
3068
// Prints an XML summary of unit_test to output stream out.
3069
static void PrintXmlUnitTest(::std::ostream* stream,
3070
const UnitTest& unit_test);
3072
// Produces a string representing the test properties in a result as space
3073
// delimited XML attributes based on the property key="value" pairs.
3074
// When the std::string is not empty, it includes a space at the beginning,
3075
// to delimit this attribute from prior attributes.
3076
static std::string TestPropertiesAsXmlAttributes(const TestResult& result);
3079
const std::string output_file_;
3081
GTEST_DISALLOW_COPY_AND_ASSIGN_(XmlUnitTestResultPrinter);
3084
// Creates a new XmlUnitTestResultPrinter.
3085
XmlUnitTestResultPrinter::XmlUnitTestResultPrinter(const char* output_file)
3086
: output_file_(output_file) {
3087
if (output_file_.c_str() == NULL || output_file_.empty()) {
3088
fprintf(stderr, "XML output file may not be null\n");
3094
// Called after the unit test ends.
3095
void XmlUnitTestResultPrinter::OnTestIterationEnd(const UnitTest& unit_test,
3096
int /*iteration*/) {
3097
FILE* xmlout = NULL;
3098
FilePath output_file(output_file_);
3099
FilePath output_dir(output_file.RemoveFileName());
3101
if (output_dir.CreateDirectoriesRecursively()) {
3102
xmlout = posix::FOpen(output_file_.c_str(), "w");
3104
if (xmlout == NULL) {
3105
// TODO(wan): report the reason of the failure.
3107
// We don't do it for now as:
3109
// 1. There is no urgent need for it.
3110
// 2. It's a bit involved to make the errno variable thread-safe on
3111
// all three operating systems (Linux, Windows, and Mac OS).
3112
// 3. To interpret the meaning of errno in a thread-safe way,
3113
// we need the strerror_r() function, which is not available on
3116
"Unable to open file \"%s\"\n",
3117
output_file_.c_str());
3121
std::stringstream stream;
3122
PrintXmlUnitTest(&stream, unit_test);
3123
fprintf(xmlout, "%s", StringStreamToString(&stream).c_str());
3127
// Returns an XML-escaped copy of the input string str. If is_attribute
3128
// is true, the text is meant to appear as an attribute value, and
3129
// normalizable whitespace is preserved by replacing it with character
3132
// Invalid XML characters in str, if any, are stripped from the output.
3133
// It is expected that most, if not all, of the text processed by this
3134
// module will consist of ordinary English text.
3135
// If this module is ever modified to produce version 1.1 XML output,
3136
// most invalid characters can be retained using character references.
3137
// TODO(wan): It might be nice to have a minimally invasive, human-readable
3138
// escaping scheme for invalid characters, rather than dropping them.
3139
std::string XmlUnitTestResultPrinter::EscapeXml(
3140
const std::string& str, bool is_attribute) {
3143
for (size_t i = 0; i < str.size(); ++i) {
3144
const char ch = str[i];
3168
if (IsValidXmlCharacter(ch)) {
3169
if (is_attribute && IsNormalizableWhitespace(ch))
3170
m << "&#x" << String::FormatByte(static_cast<unsigned char>(ch))
3179
return m.GetString();
3182
// Returns the given string with all characters invalid in XML removed.
3183
// Currently invalid characters are dropped from the string. An
3184
// alternative is to replace them with certain characters such as . or ?.
3185
std::string XmlUnitTestResultPrinter::RemoveInvalidXmlCharacters(
3186
const std::string& str) {
3188
output.reserve(str.size());
3189
for (std::string::const_iterator it = str.begin(); it != str.end(); ++it)
3190
if (IsValidXmlCharacter(*it))
3191
output.push_back(*it);
3196
// The following routines generate an XML representation of a UnitTest
3199
// This is how Google Test concepts map to the DTD:
3201
// <testsuites name="AllTests"> <-- corresponds to a UnitTest object
3202
// <testsuite name="testcase-name"> <-- corresponds to a TestCase object
3203
// <testcase name="test-name"> <-- corresponds to a TestInfo object
3204
// <failure message="...">...</failure>
3205
// <failure message="...">...</failure>
3206
// <failure message="...">...</failure>
3207
// <-- individual assertion failures
3212
// Formats the given time in milliseconds as seconds.
3213
std::string FormatTimeInMillisAsSeconds(TimeInMillis ms) {
3214
::std::stringstream ss;
3219
// Converts the given epoch time in milliseconds to a date string in the ISO
3220
// 8601 format, without the timezone information.
3221
std::string FormatEpochTimeInMillisAsIso8601(TimeInMillis ms) {
3222
// Using non-reentrant version as localtime_r is not portable.
3223
time_t seconds = static_cast<time_t>(ms / 1000);
3225
# pragma warning(push) // Saves the current warning state.
3226
# pragma warning(disable:4996) // Temporarily disables warning 4996
3227
// (function or variable may be unsafe).
3228
const struct tm* const time_struct = localtime(&seconds); // NOLINT
3229
# pragma warning(pop) // Restores the warning state again.
3231
const struct tm* const time_struct = localtime(&seconds); // NOLINT
3233
if (time_struct == NULL)
3234
return ""; // Invalid ms value
3236
// YYYY-MM-DDThh:mm:ss
3237
return StreamableToString(time_struct->tm_year + 1900) + "-" +
3238
String::FormatIntWidth2(time_struct->tm_mon + 1) + "-" +
3239
String::FormatIntWidth2(time_struct->tm_mday) + "T" +
3240
String::FormatIntWidth2(time_struct->tm_hour) + ":" +
3241
String::FormatIntWidth2(time_struct->tm_min) + ":" +
3242
String::FormatIntWidth2(time_struct->tm_sec);
3245
// Streams an XML CDATA section, escaping invalid CDATA sequences as needed.
3246
void XmlUnitTestResultPrinter::OutputXmlCDataSection(::std::ostream* stream,
3248
const char* segment = data;
3249
*stream << "<![CDATA[";
3251
const char* const next_segment = strstr(segment, "]]>");
3252
if (next_segment != NULL) {
3254
segment, static_cast<std::streamsize>(next_segment - segment));
3255
*stream << "]]>]]><![CDATA[";
3256
segment = next_segment + strlen("]]>");
3265
void XmlUnitTestResultPrinter::OutputXmlAttribute(
3266
std::ostream* stream,
3267
const std::string& element_name,
3268
const std::string& name,
3269
const std::string& value) {
3270
const std::vector<std::string>& allowed_names =
3271
GetReservedAttributesForElement(element_name);
3273
GTEST_CHECK_(std::find(allowed_names.begin(), allowed_names.end(), name) !=
3274
allowed_names.end())
3275
<< "Attribute " << name << " is not allowed for element <" << element_name
3278
*stream << " " << name << "=\"" << EscapeXmlAttribute(value) << "\"";
3281
// Prints an XML representation of a TestInfo object.
3282
// TODO(wan): There is also value in printing properties with the plain printer.
3283
void XmlUnitTestResultPrinter::OutputXmlTestInfo(::std::ostream* stream,
3284
const char* test_case_name,
3285
const TestInfo& test_info) {
3286
const TestResult& result = *test_info.result();
3287
const std::string kTestcase = "testcase";
3289
*stream << " <testcase";
3290
OutputXmlAttribute(stream, kTestcase, "name", test_info.name());
3292
if (test_info.value_param() != NULL) {
3293
OutputXmlAttribute(stream, kTestcase, "value_param",
3294
test_info.value_param());
3296
if (test_info.type_param() != NULL) {
3297
OutputXmlAttribute(stream, kTestcase, "type_param", test_info.type_param());
3300
OutputXmlAttribute(stream, kTestcase, "status",
3301
test_info.should_run() ? "run" : "notrun");
3302
OutputXmlAttribute(stream, kTestcase, "time",
3303
FormatTimeInMillisAsSeconds(result.elapsed_time()));
3304
OutputXmlAttribute(stream, kTestcase, "classname", test_case_name);
3305
*stream << TestPropertiesAsXmlAttributes(result);
3308
for (int i = 0; i < result.total_part_count(); ++i) {
3309
const TestPartResult& part = result.GetTestPartResult(i);
3310
if (part.failed()) {
3311
if (++failures == 1) {
3314
const string location = internal::FormatCompilerIndependentFileLocation(
3315
part.file_name(), part.line_number());
3316
const string summary = location + "\n" + part.summary();
3317
*stream << " <failure message=\""
3318
<< EscapeXmlAttribute(summary.c_str())
3320
const string detail = location + "\n" + part.message();
3321
OutputXmlCDataSection(stream, RemoveInvalidXmlCharacters(detail).c_str());
3322
*stream << "</failure>\n";
3329
*stream << " </testcase>\n";
3332
// Prints an XML representation of a TestCase object
3333
void XmlUnitTestResultPrinter::PrintXmlTestCase(std::ostream* stream,
3334
const TestCase& test_case) {
3335
const std::string kTestsuite = "testsuite";
3336
*stream << " <" << kTestsuite;
3337
OutputXmlAttribute(stream, kTestsuite, "name", test_case.name());
3338
OutputXmlAttribute(stream, kTestsuite, "tests",
3339
StreamableToString(test_case.reportable_test_count()));
3340
OutputXmlAttribute(stream, kTestsuite, "failures",
3341
StreamableToString(test_case.failed_test_count()));
3343
stream, kTestsuite, "disabled",
3344
StreamableToString(test_case.reportable_disabled_test_count()));
3345
OutputXmlAttribute(stream, kTestsuite, "errors", "0");
3346
OutputXmlAttribute(stream, kTestsuite, "time",
3347
FormatTimeInMillisAsSeconds(test_case.elapsed_time()));
3348
*stream << TestPropertiesAsXmlAttributes(test_case.ad_hoc_test_result())
3351
for (int i = 0; i < test_case.total_test_count(); ++i) {
3352
if (test_case.GetTestInfo(i)->is_reportable())
3353
OutputXmlTestInfo(stream, test_case.name(), *test_case.GetTestInfo(i));
3355
*stream << " </" << kTestsuite << ">\n";
3358
// Prints an XML summary of unit_test to output stream out.
3359
void XmlUnitTestResultPrinter::PrintXmlUnitTest(std::ostream* stream,
3360
const UnitTest& unit_test) {
3361
const std::string kTestsuites = "testsuites";
3363
*stream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
3364
*stream << "<" << kTestsuites;
3366
OutputXmlAttribute(stream, kTestsuites, "tests",
3367
StreamableToString(unit_test.reportable_test_count()));
3368
OutputXmlAttribute(stream, kTestsuites, "failures",
3369
StreamableToString(unit_test.failed_test_count()));
3371
stream, kTestsuites, "disabled",
3372
StreamableToString(unit_test.reportable_disabled_test_count()));
3373
OutputXmlAttribute(stream, kTestsuites, "errors", "0");
3375
stream, kTestsuites, "timestamp",
3376
FormatEpochTimeInMillisAsIso8601(unit_test.start_timestamp()));
3377
OutputXmlAttribute(stream, kTestsuites, "time",
3378
FormatTimeInMillisAsSeconds(unit_test.elapsed_time()));
3380
if (GTEST_FLAG(shuffle)) {
3381
OutputXmlAttribute(stream, kTestsuites, "random_seed",
3382
StreamableToString(unit_test.random_seed()));
3385
*stream << TestPropertiesAsXmlAttributes(unit_test.ad_hoc_test_result());
3387
OutputXmlAttribute(stream, kTestsuites, "name", "AllTests");
3390
for (int i = 0; i < unit_test.total_test_case_count(); ++i) {
3391
if (unit_test.GetTestCase(i)->reportable_test_count() > 0)
3392
PrintXmlTestCase(stream, *unit_test.GetTestCase(i));
3394
*stream << "</" << kTestsuites << ">\n";
3397
// Produces a string representing the test properties in a result as space
3398
// delimited XML attributes based on the property key="value" pairs.
3399
std::string XmlUnitTestResultPrinter::TestPropertiesAsXmlAttributes(
3400
const TestResult& result) {
3402
for (int i = 0; i < result.test_property_count(); ++i) {
3403
const TestProperty& property = result.GetTestProperty(i);
3404
attributes << " " << property.key() << "="
3405
<< "\"" << EscapeXmlAttribute(property.value()) << "\"";
3407
return attributes.GetString();
3410
// End XmlUnitTestResultPrinter
3412
#if GTEST_CAN_STREAM_RESULTS_
3414
// Checks if str contains '=', '&', '%' or '\n' characters. If yes,
3415
// replaces them by "%xx" where xx is their hexadecimal value. For
3416
// example, replaces "=" with "%3D". This algorithm is O(strlen(str))
3417
// in both time and space -- important as the input str may contain an
3418
// arbitrarily long test failure message and stack trace.
3419
string StreamingListener::UrlEncode(const char* str) {
3421
result.reserve(strlen(str) + 1);
3422
for (char ch = *str; ch != '\0'; ch = *++str) {
3428
result.append("%" + String::FormatByte(static_cast<unsigned char>(ch)));
3431
result.push_back(ch);
3438
void StreamingListener::SocketWriter::MakeConnection() {
3439
GTEST_CHECK_(sockfd_ == -1)
3440
<< "MakeConnection() can't be called when there is already a connection.";
3443
memset(&hints, 0, sizeof(hints));
3444
hints.ai_family = AF_UNSPEC; // To allow both IPv4 and IPv6 addresses.
3445
hints.ai_socktype = SOCK_STREAM;
3446
addrinfo* servinfo = NULL;
3448
// Use the getaddrinfo() to get a linked list of IP addresses for
3449
// the given host name.
3450
const int error_num = getaddrinfo(
3451
host_name_.c_str(), port_num_.c_str(), &hints, &servinfo);
3452
if (error_num != 0) {
3453
GTEST_LOG_(WARNING) << "stream_result_to: getaddrinfo() failed: "
3454
<< gai_strerror(error_num);
3457
// Loop through all the results and connect to the first we can.
3458
for (addrinfo* cur_addr = servinfo; sockfd_ == -1 && cur_addr != NULL;
3459
cur_addr = cur_addr->ai_next) {
3461
cur_addr->ai_family, cur_addr->ai_socktype, cur_addr->ai_protocol);
3462
if (sockfd_ != -1) {
3463
// Connect the client socket to the server socket.
3464
if (connect(sockfd_, cur_addr->ai_addr, cur_addr->ai_addrlen) == -1) {
3471
freeaddrinfo(servinfo); // all done with this structure
3473
if (sockfd_ == -1) {
3474
GTEST_LOG_(WARNING) << "stream_result_to: failed to connect to "
3475
<< host_name_ << ":" << port_num_;
3479
// End of class Streaming Listener
3480
#endif // GTEST_CAN_STREAM_RESULTS__
3482
// Class ScopedTrace
3484
// Pushes the given source file location and message onto a per-thread
3485
// trace stack maintained by Google Test.
3486
ScopedTrace::ScopedTrace(const char* file, int line, const Message& message)
3487
GTEST_LOCK_EXCLUDED_(&UnitTest::mutex_) {
3491
trace.message = message.GetString();
3493
UnitTest::GetInstance()->PushGTestTrace(trace);
3496
// Pops the info pushed by the c'tor.
3497
ScopedTrace::~ScopedTrace()
3498
GTEST_LOCK_EXCLUDED_(&UnitTest::mutex_) {
3499
UnitTest::GetInstance()->PopGTestTrace();
3503
// class OsStackTraceGetter
3505
// Returns the current OS stack trace as an std::string. Parameters:
3507
// max_depth - the maximum number of stack frames to be included
3509
// skip_count - the number of top frames to be skipped; doesn't count
3510
// against max_depth.
3512
string OsStackTraceGetter::CurrentStackTrace(int /* max_depth */,
3513
int /* skip_count */)
3514
GTEST_LOCK_EXCLUDED_(mutex_) {
3518
void OsStackTraceGetter::UponLeavingGTest()
3519
GTEST_LOCK_EXCLUDED_(mutex_) {
3523
OsStackTraceGetter::kElidedFramesMarker =
3524
"... " GTEST_NAME_ " internal frames ...";
3526
} // namespace internal
3528
// class TestEventListeners
3530
TestEventListeners::TestEventListeners()
3531
: repeater_(new internal::TestEventRepeater()),
3532
default_result_printer_(NULL),
3533
default_xml_generator_(NULL) {
3536
TestEventListeners::~TestEventListeners() { delete repeater_; }
3538
// Returns the standard listener responsible for the default console
3539
// output. Can be removed from the listeners list to shut down default
3540
// console output. Note that removing this object from the listener list
3541
// with Release transfers its ownership to the user.
3542
void TestEventListeners::Append(TestEventListener* listener) {
3543
repeater_->Append(listener);
3546
// Removes the given event listener from the list and returns it. It then
3547
// becomes the caller's responsibility to delete the listener. Returns
3548
// NULL if the listener is not found in the list.
3549
TestEventListener* TestEventListeners::Release(TestEventListener* listener) {
3550
if (listener == default_result_printer_)
3551
default_result_printer_ = NULL;
3552
else if (listener == default_xml_generator_)
3553
default_xml_generator_ = NULL;
3554
return repeater_->Release(listener);
3557
// Returns repeater that broadcasts the TestEventListener events to all
3559
TestEventListener* TestEventListeners::repeater() { return repeater_; }
3561
// Sets the default_result_printer attribute to the provided listener.
3562
// The listener is also added to the listener list and previous
3563
// default_result_printer is removed from it and deleted. The listener can
3564
// also be NULL in which case it will not be added to the list. Does
3565
// nothing if the previous and the current listener objects are the same.
3566
void TestEventListeners::SetDefaultResultPrinter(TestEventListener* listener) {
3567
if (default_result_printer_ != listener) {
3568
// It is an error to pass this method a listener that is already in the
3570
delete Release(default_result_printer_);
3571
default_result_printer_ = listener;
3572
if (listener != NULL)
3577
// Sets the default_xml_generator attribute to the provided listener. The
3578
// listener is also added to the listener list and previous
3579
// default_xml_generator is removed from it and deleted. The listener can
3580
// also be NULL in which case it will not be added to the list. Does
3581
// nothing if the previous and the current listener objects are the same.
3582
void TestEventListeners::SetDefaultXmlGenerator(TestEventListener* listener) {
3583
if (default_xml_generator_ != listener) {
3584
// It is an error to pass this method a listener that is already in the
3586
delete Release(default_xml_generator_);
3587
default_xml_generator_ = listener;
3588
if (listener != NULL)
3593
// Controls whether events will be forwarded by the repeater to the
3594
// listeners in the list.
3595
bool TestEventListeners::EventForwardingEnabled() const {
3596
return repeater_->forwarding_enabled();
3599
void TestEventListeners::SuppressEventForwarding() {
3600
repeater_->set_forwarding_enabled(false);
3605
// Gets the singleton UnitTest object. The first time this method is
3606
// called, a UnitTest object is constructed and returned. Consecutive
3607
// calls will return the same object.
3609
// We don't protect this under mutex_ as a user is not supposed to
3610
// call this before main() starts, from which point on the return
3611
// value will never change.
3612
UnitTest* UnitTest::GetInstance() {
3613
// When compiled with MSVC 7.1 in optimized mode, destroying the
3614
// UnitTest object upon exiting the program messes up the exit code,
3615
// causing successful tests to appear failed. We have to use a
3616
// different implementation in this case to bypass the compiler bug.
3617
// This implementation makes the compiler happy, at the cost of
3618
// leaking the UnitTest object.
3620
// CodeGear C++Builder insists on a public destructor for the
3621
// default implementation. Use this implementation to keep good OO
3622
// design with private destructor.
3624
#if (_MSC_VER == 1310 && !defined(_DEBUG)) || defined(__BORLANDC__)
3625
static UnitTest* const instance = new UnitTest;
3628
static UnitTest instance;
3630
#endif // (_MSC_VER == 1310 && !defined(_DEBUG)) || defined(__BORLANDC__)
3633
// Gets the number of successful test cases.
3634
int UnitTest::successful_test_case_count() const {
3635
return impl()->successful_test_case_count();
3638
// Gets the number of failed test cases.
3639
int UnitTest::failed_test_case_count() const {
3640
return impl()->failed_test_case_count();
3643
// Gets the number of all test cases.
3644
int UnitTest::total_test_case_count() const {
3645
return impl()->total_test_case_count();
3648
// Gets the number of all test cases that contain at least one test
3650
int UnitTest::test_case_to_run_count() const {
3651
return impl()->test_case_to_run_count();
3654
// Gets the number of successful tests.
3655
int UnitTest::successful_test_count() const {
3656
return impl()->successful_test_count();
3659
// Gets the number of failed tests.
3660
int UnitTest::failed_test_count() const { return impl()->failed_test_count(); }
3662
// Gets the number of disabled tests that will be reported in the XML report.
3663
int UnitTest::reportable_disabled_test_count() const {
3664
return impl()->reportable_disabled_test_count();
3667
// Gets the number of disabled tests.
3668
int UnitTest::disabled_test_count() const {
3669
return impl()->disabled_test_count();
3672
// Gets the number of tests to be printed in the XML report.
3673
int UnitTest::reportable_test_count() const {
3674
return impl()->reportable_test_count();
3677
// Gets the number of all tests.
3678
int UnitTest::total_test_count() const { return impl()->total_test_count(); }
3680
// Gets the number of tests that should run.
3681
int UnitTest::test_to_run_count() const { return impl()->test_to_run_count(); }
3683
// Gets the time of the test program start, in ms from the start of the
3685
internal::TimeInMillis UnitTest::start_timestamp() const {
3686
return impl()->start_timestamp();
3689
// Gets the elapsed time, in milliseconds.
3690
internal::TimeInMillis UnitTest::elapsed_time() const {
3691
return impl()->elapsed_time();
3694
// Returns true iff the unit test passed (i.e. all test cases passed).
3695
bool UnitTest::Passed() const { return impl()->Passed(); }
3697
// Returns true iff the unit test failed (i.e. some test case failed
3698
// or something outside of all tests failed).
3699
bool UnitTest::Failed() const { return impl()->Failed(); }
3701
// Gets the i-th test case among all the test cases. i can range from 0 to
3702
// total_test_case_count() - 1. If i is not in that range, returns NULL.
3703
const TestCase* UnitTest::GetTestCase(int i) const {
3704
return impl()->GetTestCase(i);
3707
// Returns the TestResult containing information on test failures and
3708
// properties logged outside of individual test cases.
3709
const TestResult& UnitTest::ad_hoc_test_result() const {
3710
return *impl()->ad_hoc_test_result();
3713
// Gets the i-th test case among all the test cases. i can range from 0 to
3714
// total_test_case_count() - 1. If i is not in that range, returns NULL.
3715
TestCase* UnitTest::GetMutableTestCase(int i) {
3716
return impl()->GetMutableTestCase(i);
3719
// Returns the list of event listeners that can be used to track events
3720
// inside Google Test.
3721
TestEventListeners& UnitTest::listeners() {
3722
return *impl()->listeners();
3725
// Registers and returns a global test environment. When a test
3726
// program is run, all global test environments will be set-up in the
3727
// order they were registered. After all tests in the program have
3728
// finished, all global test environments will be torn-down in the
3729
// *reverse* order they were registered.
3731
// The UnitTest object takes ownership of the given environment.
3733
// We don't protect this under mutex_, as we only support calling it
3734
// from the main thread.
3735
Environment* UnitTest::AddEnvironment(Environment* env) {
3740
impl_->environments().push_back(env);
3744
// Adds a TestPartResult to the current TestResult object. All Google Test
3745
// assertion macros (e.g. ASSERT_TRUE, EXPECT_EQ, etc) eventually call
3746
// this to report their results. The user code should use the
3747
// assertion macros instead of calling this directly.
3748
void UnitTest::AddTestPartResult(
3749
TestPartResult::Type result_type,
3750
const char* file_name,
3752
const std::string& message,
3753
const std::string& os_stack_trace) GTEST_LOCK_EXCLUDED_(mutex_) {
3757
internal::MutexLock lock(&mutex_);
3758
if (impl_->gtest_trace_stack().size() > 0) {
3759
msg << "\n" << GTEST_NAME_ << " trace:";
3761
for (int i = static_cast<int>(impl_->gtest_trace_stack().size());
3763
const internal::TraceInfo& trace = impl_->gtest_trace_stack()[i - 1];
3764
msg << "\n" << internal::FormatFileLocation(trace.file, trace.line)
3765
<< " " << trace.message;
3769
if (os_stack_trace.c_str() != NULL && !os_stack_trace.empty()) {
3770
msg << internal::kStackTraceMarker << os_stack_trace;
3773
const TestPartResult result =
3774
TestPartResult(result_type, file_name, line_number,
3775
msg.GetString().c_str());
3776
impl_->GetTestPartResultReporterForCurrentThread()->
3777
ReportTestPartResult(result);
3779
if (result_type != TestPartResult::kSuccess) {
3780
// gtest_break_on_failure takes precedence over
3781
// gtest_throw_on_failure. This allows a user to set the latter
3782
// in the code (perhaps in order to use Google Test assertions
3783
// with another testing framework) and specify the former on the
3784
// command line for debugging.
3785
if (GTEST_FLAG(break_on_failure)) {
3786
#if GTEST_OS_WINDOWS
3787
// Using DebugBreak on Windows allows gtest to still break into a debugger
3788
// when a failure happens and both the --gtest_break_on_failure and
3789
// the --gtest_catch_exceptions flags are specified.
3792
// Dereference NULL through a volatile pointer to prevent the compiler
3793
// from removing. We use this rather than abort() or __builtin_trap() for
3794
// portability: Symbian doesn't implement abort() well, and some debuggers
3795
// don't correctly trap abort().
3796
*static_cast<volatile int*>(NULL) = 1;
3797
#endif // GTEST_OS_WINDOWS
3798
} else if (GTEST_FLAG(throw_on_failure)) {
3799
#if GTEST_HAS_EXCEPTIONS
3800
throw internal::GoogleTestFailureException(result);
3802
// We cannot call abort() as it generates a pop-up in debug mode
3803
// that cannot be suppressed in VC 7.1 or below.
3810
// Adds a TestProperty to the current TestResult object when invoked from
3811
// inside a test, to current TestCase's ad_hoc_test_result_ when invoked
3812
// from SetUpTestCase or TearDownTestCase, or to the global property set
3813
// when invoked elsewhere. If the result already contains a property with
3814
// the same key, the value will be updated.
3815
void UnitTest::RecordProperty(const std::string& key,
3816
const std::string& value) {
3817
impl_->RecordProperty(TestProperty(key, value));
3820
// Runs all tests in this UnitTest object and prints the result.
3821
// Returns 0 if successful, or 1 otherwise.
3823
// We don't protect this under mutex_, as we only support calling it
3824
// from the main thread.
3825
int UnitTest::Run() {
3826
// Captures the value of GTEST_FLAG(catch_exceptions). This value will be
3827
// used for the duration of the program.
3828
impl()->set_catch_exceptions(GTEST_FLAG(catch_exceptions));
3831
const bool in_death_test_child_process =
3832
internal::GTEST_FLAG(internal_run_death_test).length() > 0;
3834
// Either the user wants Google Test to catch exceptions thrown by the
3835
// tests or this is executing in the context of death test child
3836
// process. In either case the user does not want to see pop-up dialogs
3837
// about crashes - they are expected.
3838
if (impl()->catch_exceptions() || in_death_test_child_process) {
3839
# if !GTEST_OS_WINDOWS_MOBILE
3840
// SetErrorMode doesn't exist on CE.
3841
SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOALIGNMENTFAULTEXCEPT |
3842
SEM_NOGPFAULTERRORBOX | SEM_NOOPENFILEERRORBOX);
3843
# endif // !GTEST_OS_WINDOWS_MOBILE
3845
# if (defined(_MSC_VER) || GTEST_OS_WINDOWS_MINGW) && !GTEST_OS_WINDOWS_MOBILE
3846
// Death test children can be terminated with _abort(). On Windows,
3847
// _abort() can show a dialog with a warning message. This forces the
3848
// abort message to go to stderr instead.
3849
_set_error_mode(_OUT_TO_STDERR);
3852
# if _MSC_VER >= 1400 && !GTEST_OS_WINDOWS_MOBILE
3853
// In the debug version, Visual Studio pops up a separate dialog
3854
// offering a choice to debug the aborted program. We need to suppress
3855
// this dialog or it will pop up for every EXPECT/ASSERT_DEATH statement
3856
// executed. Google Test will notify the user of any unexpected
3857
// failure via stderr.
3859
// VC++ doesn't define _set_abort_behavior() prior to the version 8.0.
3860
// Users of prior VC versions shall suffer the agony and pain of
3861
// clicking through the countless debug dialogs.
3862
// TODO(vladl@google.com): find a way to suppress the abort dialog() in the
3863
// debug mode when compiled with VC 7.1 or lower.
3864
if (!GTEST_FLAG(break_on_failure))
3865
_set_abort_behavior(
3866
0x0, // Clear the following flags:
3867
_WRITE_ABORT_MSG | _CALL_REPORTFAULT); // pop-up window, core dump.
3870
#endif // GTEST_HAS_SEH
3872
return internal::HandleExceptionsInMethodIfSupported(
3874
&internal::UnitTestImpl::RunAllTests,
3875
"auxiliary test code (environments or event listeners)") ? 0 : 1;
3878
// Returns the working directory when the first TEST() or TEST_F() was
3880
const char* UnitTest::original_working_dir() const {
3881
return impl_->original_working_dir_.c_str();
3884
// Returns the TestCase object for the test that's currently running,
3885
// or NULL if no test is running.
3886
const TestCase* UnitTest::current_test_case() const
3887
GTEST_LOCK_EXCLUDED_(mutex_) {
3888
internal::MutexLock lock(&mutex_);
3889
return impl_->current_test_case();
3892
// Returns the TestInfo object for the test that's currently running,
3893
// or NULL if no test is running.
3894
const TestInfo* UnitTest::current_test_info() const
3895
GTEST_LOCK_EXCLUDED_(mutex_) {
3896
internal::MutexLock lock(&mutex_);
3897
return impl_->current_test_info();
3900
// Returns the random seed used at the start of the current test run.
3901
int UnitTest::random_seed() const { return impl_->random_seed(); }
3903
#if GTEST_HAS_PARAM_TEST
3904
// Returns ParameterizedTestCaseRegistry object used to keep track of
3905
// value-parameterized tests and instantiate and register them.
3906
internal::ParameterizedTestCaseRegistry&
3907
UnitTest::parameterized_test_registry()
3908
GTEST_LOCK_EXCLUDED_(mutex_) {
3909
return impl_->parameterized_test_registry();
3911
#endif // GTEST_HAS_PARAM_TEST
3913
// Creates an empty UnitTest.
3914
UnitTest::UnitTest() {
3915
impl_ = new internal::UnitTestImpl(this);
3918
// Destructor of UnitTest.
3919
UnitTest::~UnitTest() {
3923
// Pushes a trace defined by SCOPED_TRACE() on to the per-thread
3924
// Google Test trace stack.
3925
void UnitTest::PushGTestTrace(const internal::TraceInfo& trace)
3926
GTEST_LOCK_EXCLUDED_(mutex_) {
3927
internal::MutexLock lock(&mutex_);
3928
impl_->gtest_trace_stack().push_back(trace);
3931
// Pops a trace from the per-thread Google Test trace stack.
3932
void UnitTest::PopGTestTrace()
3933
GTEST_LOCK_EXCLUDED_(mutex_) {
3934
internal::MutexLock lock(&mutex_);
3935
impl_->gtest_trace_stack().pop_back();
3938
namespace internal {
3940
UnitTestImpl::UnitTestImpl(UnitTest* parent)
3943
# pragma warning(push) // Saves the current warning state.
3944
# pragma warning(disable:4355) // Temporarily disables warning 4355
3945
// (using this in initializer).
3946
default_global_test_part_result_reporter_(this),
3947
default_per_thread_test_part_result_reporter_(this),
3948
# pragma warning(pop) // Restores the warning state again.
3950
default_global_test_part_result_reporter_(this),
3951
default_per_thread_test_part_result_reporter_(this),
3953
global_test_part_result_repoter_(
3954
&default_global_test_part_result_reporter_),
3955
per_thread_test_part_result_reporter_(
3956
&default_per_thread_test_part_result_reporter_),
3957
#if GTEST_HAS_PARAM_TEST
3958
parameterized_test_registry_(),
3959
parameterized_tests_registered_(false),
3960
#endif // GTEST_HAS_PARAM_TEST
3961
last_death_test_case_(-1),
3962
current_test_case_(NULL),
3963
current_test_info_(NULL),
3964
ad_hoc_test_result_(),
3965
os_stack_trace_getter_(NULL),
3966
post_flag_parse_init_performed_(false),
3967
random_seed_(0), // Will be overridden by the flag before first use.
3968
random_(0), // Will be reseeded before first use.
3969
start_timestamp_(0),
3971
#if GTEST_HAS_DEATH_TEST
3972
death_test_factory_(new DefaultDeathTestFactory),
3974
// Will be overridden by the flag before first use.
3975
catch_exceptions_(false) {
3976
listeners()->SetDefaultResultPrinter(new PrettyUnitTestResultPrinter);
3979
UnitTestImpl::~UnitTestImpl() {
3980
// Deletes every TestCase.
3981
ForEach(test_cases_, internal::Delete<TestCase>);
3983
// Deletes every Environment.
3984
ForEach(environments_, internal::Delete<Environment>);
3986
delete os_stack_trace_getter_;
3989
// Adds a TestProperty to the current TestResult object when invoked in a
3990
// context of a test, to current test case's ad_hoc_test_result when invoke
3991
// from SetUpTestCase/TearDownTestCase, or to the global property set
3992
// otherwise. If the result already contains a property with the same key,
3993
// the value will be updated.
3994
void UnitTestImpl::RecordProperty(const TestProperty& test_property) {
3995
std::string xml_element;
3996
TestResult* test_result; // TestResult appropriate for property recording.
3998
if (current_test_info_ != NULL) {
3999
xml_element = "testcase";
4000
test_result = &(current_test_info_->result_);
4001
} else if (current_test_case_ != NULL) {
4002
xml_element = "testsuite";
4003
test_result = &(current_test_case_->ad_hoc_test_result_);
4005
xml_element = "testsuites";
4006
test_result = &ad_hoc_test_result_;
4008
test_result->RecordProperty(xml_element, test_property);
4011
#if GTEST_HAS_DEATH_TEST
4012
// Disables event forwarding if the control is currently in a death test
4013
// subprocess. Must not be called before InitGoogleTest.
4014
void UnitTestImpl::SuppressTestEventsIfInSubprocess() {
4015
if (internal_run_death_test_flag_.get() != NULL)
4016
listeners()->SuppressEventForwarding();
4018
#endif // GTEST_HAS_DEATH_TEST
4020
// Initializes event listeners performing XML output as specified by
4021
// UnitTestOptions. Must not be called before InitGoogleTest.
4022
void UnitTestImpl::ConfigureXmlOutput() {
4023
const std::string& output_format = UnitTestOptions::GetOutputFormat();
4024
if (output_format == "xml") {
4025
listeners()->SetDefaultXmlGenerator(new XmlUnitTestResultPrinter(
4026
UnitTestOptions::GetAbsolutePathToOutputFile().c_str()));
4027
} else if (output_format != "") {
4028
printf("WARNING: unrecognized output format \"%s\" ignored.\n",
4029
output_format.c_str());
4034
#if GTEST_CAN_STREAM_RESULTS_
4035
// Initializes event listeners for streaming test results in string form.
4036
// Must not be called before InitGoogleTest.
4037
void UnitTestImpl::ConfigureStreamingOutput() {
4038
const std::string& target = GTEST_FLAG(stream_result_to);
4039
if (!target.empty()) {
4040
const size_t pos = target.find(':');
4041
if (pos != std::string::npos) {
4042
listeners()->Append(new StreamingListener(target.substr(0, pos),
4043
target.substr(pos+1)));
4045
printf("WARNING: unrecognized streaming target \"%s\" ignored.\n",
4051
#endif // GTEST_CAN_STREAM_RESULTS_
4053
// Performs initialization dependent upon flag values obtained in
4054
// ParseGoogleTestFlagsOnly. Is called from InitGoogleTest after the call to
4055
// ParseGoogleTestFlagsOnly. In case a user neglects to call InitGoogleTest
4056
// this function is also called from RunAllTests. Since this function can be
4057
// called more than once, it has to be idempotent.
4058
void UnitTestImpl::PostFlagParsingInit() {
4059
// Ensures that this function does not execute more than once.
4060
if (!post_flag_parse_init_performed_) {
4061
post_flag_parse_init_performed_ = true;
4063
#if GTEST_HAS_DEATH_TEST
4064
InitDeathTestSubprocessControlInfo();
4065
SuppressTestEventsIfInSubprocess();
4066
#endif // GTEST_HAS_DEATH_TEST
4068
// Registers parameterized tests. This makes parameterized tests
4069
// available to the UnitTest reflection API without running
4071
RegisterParameterizedTests();
4073
// Configures listeners for XML output. This makes it possible for users
4074
// to shut down the default XML output before invoking RUN_ALL_TESTS.
4075
ConfigureXmlOutput();
4077
#if GTEST_CAN_STREAM_RESULTS_
4078
// Configures listeners for streaming test results to the specified server.
4079
ConfigureStreamingOutput();
4080
#endif // GTEST_CAN_STREAM_RESULTS_
4084
// A predicate that checks the name of a TestCase against a known
4087
// This is used for implementation of the UnitTest class only. We put
4088
// it in the anonymous namespace to prevent polluting the outer
4091
// TestCaseNameIs is copyable.
4092
class TestCaseNameIs {
4095
explicit TestCaseNameIs(const std::string& name)
4098
// Returns true iff the name of test_case matches name_.
4099
bool operator()(const TestCase* test_case) const {
4100
return test_case != NULL && strcmp(test_case->name(), name_.c_str()) == 0;
4107
// Finds and returns a TestCase with the given name. If one doesn't
4108
// exist, creates one and returns it. It's the CALLER'S
4109
// RESPONSIBILITY to ensure that this function is only called WHEN THE
4110
// TESTS ARE NOT SHUFFLED.
4114
// test_case_name: name of the test case
4115
// type_param: the name of the test case's type parameter, or NULL if
4116
// this is not a typed or a type-parameterized test case.
4117
// set_up_tc: pointer to the function that sets up the test case
4118
// tear_down_tc: pointer to the function that tears down the test case
4119
TestCase* UnitTestImpl::GetTestCase(const char* test_case_name,
4120
const char* type_param,
4121
Test::SetUpTestCaseFunc set_up_tc,
4122
Test::TearDownTestCaseFunc tear_down_tc) {
4123
// Can we find a TestCase with the given name?
4124
const std::vector<TestCase*>::const_iterator test_case =
4125
std::find_if(test_cases_.begin(), test_cases_.end(),
4126
TestCaseNameIs(test_case_name));
4128
if (test_case != test_cases_.end())
4131
// No. Let's create one.
4132
TestCase* const new_test_case =
4133
new TestCase(test_case_name, type_param, set_up_tc, tear_down_tc);
4135
// Is this a death test case?
4136
if (internal::UnitTestOptions::MatchesFilter(test_case_name,
4137
kDeathTestCaseFilter)) {
4138
// Yes. Inserts the test case after the last death test case
4139
// defined so far. This only works when the test cases haven't
4140
// been shuffled. Otherwise we may end up running a death test
4141
// after a non-death test.
4142
++last_death_test_case_;
4143
test_cases_.insert(test_cases_.begin() + last_death_test_case_,
4146
// No. Appends to the end of the list.
4147
test_cases_.push_back(new_test_case);
4150
test_case_indices_.push_back(static_cast<int>(test_case_indices_.size()));
4151
return new_test_case;
4154
// Helpers for setting up / tearing down the given environment. They
4155
// are for use in the ForEach() function.
4156
static void SetUpEnvironment(Environment* env) { env->SetUp(); }
4157
static void TearDownEnvironment(Environment* env) { env->TearDown(); }
4159
// Runs all tests in this UnitTest object, prints the result, and
4160
// returns true if all tests are successful. If any exception is
4161
// thrown during a test, the test is considered to be failed, but the
4162
// rest of the tests will still be run.
4164
// When parameterized tests are enabled, it expands and registers
4165
// parameterized tests first in RegisterParameterizedTests().
4166
// All other functions called from RunAllTests() may safely assume that
4167
// parameterized tests are ready to be counted and run.
4168
bool UnitTestImpl::RunAllTests() {
4169
// Makes sure InitGoogleTest() was called.
4170
if (!GTestIsInitialized()) {
4172
"\nThis test program did NOT call ::testing::InitGoogleTest "
4173
"before calling RUN_ALL_TESTS(). Please fix it.\n");
4177
// Do not run any test if the --help flag was specified.
4181
// Repeats the call to the post-flag parsing initialization in case the
4182
// user didn't call InitGoogleTest.
4183
PostFlagParsingInit();
4185
// Even if sharding is not on, test runners may want to use the
4186
// GTEST_SHARD_STATUS_FILE to query whether the test supports the sharding
4188
internal::WriteToShardStatusFileIfNeeded();
4190
// True iff we are in a subprocess for running a thread-safe-style
4192
bool in_subprocess_for_death_test = false;
4194
#if GTEST_HAS_DEATH_TEST
4195
in_subprocess_for_death_test = (internal_run_death_test_flag_.get() != NULL);
4196
#endif // GTEST_HAS_DEATH_TEST
4198
const bool should_shard = ShouldShard(kTestTotalShards, kTestShardIndex,
4199
in_subprocess_for_death_test);
4201
// Compares the full test names with the filter to decide which
4203
const bool has_tests_to_run = FilterTests(should_shard
4204
? HONOR_SHARDING_PROTOCOL
4205
: IGNORE_SHARDING_PROTOCOL) > 0;
4207
// Lists the tests and exits if the --gtest_list_tests flag was specified.
4208
if (GTEST_FLAG(list_tests)) {
4209
// This must be called *after* FilterTests() has been called.
4210
ListTestsMatchingFilter();
4214
random_seed_ = GTEST_FLAG(shuffle) ?
4215
GetRandomSeedFromFlag(GTEST_FLAG(random_seed)) : 0;
4217
// True iff at least one test has failed.
4218
bool failed = false;
4220
TestEventListener* repeater = listeners()->repeater();
4222
start_timestamp_ = GetTimeInMillis();
4223
repeater->OnTestProgramStart(*parent_);
4225
// How many times to repeat the tests? We don't want to repeat them
4226
// when we are inside the subprocess of a death test.
4227
const int repeat = in_subprocess_for_death_test ? 1 : GTEST_FLAG(repeat);
4228
// Repeats forever if the repeat count is negative.
4229
const bool forever = repeat < 0;
4230
for (int i = 0; forever || i != repeat; i++) {
4231
// We want to preserve failures generated by ad-hoc test
4232
// assertions executed before RUN_ALL_TESTS().
4233
ClearNonAdHocTestResult();
4235
const TimeInMillis start = GetTimeInMillis();
4237
// Shuffles test cases and tests if requested.
4238
if (has_tests_to_run && GTEST_FLAG(shuffle)) {
4239
random()->Reseed(random_seed_);
4240
// This should be done before calling OnTestIterationStart(),
4241
// such that a test event listener can see the actual test order
4246
// Tells the unit test event listeners that the tests are about to start.
4247
repeater->OnTestIterationStart(*parent_, i);
4249
// Runs each test case if there is at least one test to run.
4250
if (has_tests_to_run) {
4251
// Sets up all environments beforehand.
4252
repeater->OnEnvironmentsSetUpStart(*parent_);
4253
ForEach(environments_, SetUpEnvironment);
4254
repeater->OnEnvironmentsSetUpEnd(*parent_);
4256
// Runs the tests only if there was no fatal failure during global
4258
if (!Test::HasFatalFailure()) {
4259
for (int test_index = 0; test_index < total_test_case_count();
4261
GetMutableTestCase(test_index)->Run();
4265
// Tears down all environments in reverse order afterwards.
4266
repeater->OnEnvironmentsTearDownStart(*parent_);
4267
std::for_each(environments_.rbegin(), environments_.rend(),
4268
TearDownEnvironment);
4269
repeater->OnEnvironmentsTearDownEnd(*parent_);
4272
elapsed_time_ = GetTimeInMillis() - start;
4274
// Tells the unit test event listener that the tests have just finished.
4275
repeater->OnTestIterationEnd(*parent_, i);
4277
// Gets the result and clears it.
4282
// Restores the original test order after the iteration. This
4283
// allows the user to quickly repro a failure that happens in the
4284
// N-th iteration without repeating the first (N - 1) iterations.
4285
// This is not enclosed in "if (GTEST_FLAG(shuffle)) { ... }", in
4286
// case the user somehow changes the value of the flag somewhere
4287
// (it's always safe to unshuffle the tests).
4290
if (GTEST_FLAG(shuffle)) {
4291
// Picks a new random seed for each iteration.
4292
random_seed_ = GetNextRandomSeed(random_seed_);
4296
repeater->OnTestProgramEnd(*parent_);
4301
// Reads the GTEST_SHARD_STATUS_FILE environment variable, and creates the file
4302
// if the variable is present. If a file already exists at this location, this
4303
// function will write over it. If the variable is present, but the file cannot
4304
// be created, prints an error and exits.
4305
void WriteToShardStatusFileIfNeeded() {
4306
const char* const test_shard_file = posix::GetEnv(kTestShardStatusFile);
4307
if (test_shard_file != NULL) {
4308
FILE* const file = posix::FOpen(test_shard_file, "w");
4310
ColoredPrintf(COLOR_RED,
4311
"Could not write to the test shard status file \"%s\" "
4312
"specified by the %s environment variable.\n",
4313
test_shard_file, kTestShardStatusFile);
4321
// Checks whether sharding is enabled by examining the relevant
4322
// environment variable values. If the variables are present,
4323
// but inconsistent (i.e., shard_index >= total_shards), prints
4324
// an error and exits. If in_subprocess_for_death_test, sharding is
4325
// disabled because it must only be applied to the original test
4326
// process. Otherwise, we could filter out death tests we intended to execute.
4327
bool ShouldShard(const char* total_shards_env,
4328
const char* shard_index_env,
4329
bool in_subprocess_for_death_test) {
4330
if (in_subprocess_for_death_test) {
4334
const Int32 total_shards = Int32FromEnvOrDie(total_shards_env, -1);
4335
const Int32 shard_index = Int32FromEnvOrDie(shard_index_env, -1);
4337
if (total_shards == -1 && shard_index == -1) {
4339
} else if (total_shards == -1 && shard_index != -1) {
4340
const Message msg = Message()
4341
<< "Invalid environment variables: you have "
4342
<< kTestShardIndex << " = " << shard_index
4343
<< ", but have left " << kTestTotalShards << " unset.\n";
4344
ColoredPrintf(COLOR_RED, msg.GetString().c_str());
4347
} else if (total_shards != -1 && shard_index == -1) {
4348
const Message msg = Message()
4349
<< "Invalid environment variables: you have "
4350
<< kTestTotalShards << " = " << total_shards
4351
<< ", but have left " << kTestShardIndex << " unset.\n";
4352
ColoredPrintf(COLOR_RED, msg.GetString().c_str());
4355
} else if (shard_index < 0 || shard_index >= total_shards) {
4356
const Message msg = Message()
4357
<< "Invalid environment variables: we require 0 <= "
4358
<< kTestShardIndex << " < " << kTestTotalShards
4359
<< ", but you have " << kTestShardIndex << "=" << shard_index
4360
<< ", " << kTestTotalShards << "=" << total_shards << ".\n";
4361
ColoredPrintf(COLOR_RED, msg.GetString().c_str());
4366
return total_shards > 1;
4369
// Parses the environment variable var as an Int32. If it is unset,
4370
// returns default_val. If it is not an Int32, prints an error
4372
Int32 Int32FromEnvOrDie(const char* var, Int32 default_val) {
4373
const char* str_val = posix::GetEnv(var);
4374
if (str_val == NULL) {
4379
if (!ParseInt32(Message() << "The value of environment variable " << var,
4380
str_val, &result)) {
4386
// Given the total number of shards, the shard index, and the test id,
4387
// returns true iff the test should be run on this shard. The test id is
4388
// some arbitrary but unique non-negative integer assigned to each test
4389
// method. Assumes that 0 <= shard_index < total_shards.
4390
bool ShouldRunTestOnShard(int total_shards, int shard_index, int test_id) {
4391
return (test_id % total_shards) == shard_index;
4394
// Compares the name of each test with the user-specified filter to
4395
// decide whether the test should be run, then records the result in
4396
// each TestCase and TestInfo object.
4397
// If shard_tests == true, further filters tests based on sharding
4398
// variables in the environment - see
4399
// http://code.google.com/p/googletest/wiki/GoogleTestAdvancedGuide.
4400
// Returns the number of tests that should run.
4401
int UnitTestImpl::FilterTests(ReactionToSharding shard_tests) {
4402
const Int32 total_shards = shard_tests == HONOR_SHARDING_PROTOCOL ?
4403
Int32FromEnvOrDie(kTestTotalShards, -1) : -1;
4404
const Int32 shard_index = shard_tests == HONOR_SHARDING_PROTOCOL ?
4405
Int32FromEnvOrDie(kTestShardIndex, -1) : -1;
4407
// num_runnable_tests are the number of tests that will
4408
// run across all shards (i.e., match filter and are not disabled).
4409
// num_selected_tests are the number of tests to be run on
4411
int num_runnable_tests = 0;
4412
int num_selected_tests = 0;
4413
for (size_t i = 0; i < test_cases_.size(); i++) {
4414
TestCase* const test_case = test_cases_[i];
4415
const std::string &test_case_name = test_case->name();
4416
test_case->set_should_run(false);
4418
for (size_t j = 0; j < test_case->test_info_list().size(); j++) {
4419
TestInfo* const test_info = test_case->test_info_list()[j];
4420
const std::string test_name(test_info->name());
4421
// A test is disabled if test case name or test name matches
4422
// kDisableTestFilter.
4423
const bool is_disabled =
4424
internal::UnitTestOptions::MatchesFilter(test_case_name,
4425
kDisableTestFilter) ||
4426
internal::UnitTestOptions::MatchesFilter(test_name,
4427
kDisableTestFilter);
4428
test_info->is_disabled_ = is_disabled;
4430
const bool matches_filter =
4431
internal::UnitTestOptions::FilterMatchesTest(test_case_name,
4433
test_info->matches_filter_ = matches_filter;
4435
const bool is_runnable =
4436
(GTEST_FLAG(also_run_disabled_tests) || !is_disabled) &&
4439
const bool is_selected = is_runnable &&
4440
(shard_tests == IGNORE_SHARDING_PROTOCOL ||
4441
ShouldRunTestOnShard(total_shards, shard_index,
4442
num_runnable_tests));
4444
num_runnable_tests += is_runnable;
4445
num_selected_tests += is_selected;
4447
test_info->should_run_ = is_selected;
4448
test_case->set_should_run(test_case->should_run() || is_selected);
4451
return num_selected_tests;
4454
// Prints the given C-string on a single line by replacing all '\n'
4455
// characters with string "\\n". If the output takes more than
4456
// max_length characters, only prints the first max_length characters
4458
static void PrintOnOneLine(const char* str, int max_length) {
4460
for (int i = 0; *str != '\0'; ++str) {
4461
if (i >= max_length) {
4476
// Prints the names of the tests matching the user-specified filter flag.
4477
void UnitTestImpl::ListTestsMatchingFilter() {
4478
// Print at most this many characters for each type/value parameter.
4479
const int kMaxParamLength = 250;
4481
for (size_t i = 0; i < test_cases_.size(); i++) {
4482
const TestCase* const test_case = test_cases_[i];
4483
bool printed_test_case_name = false;
4485
for (size_t j = 0; j < test_case->test_info_list().size(); j++) {
4486
const TestInfo* const test_info =
4487
test_case->test_info_list()[j];
4488
if (test_info->matches_filter_) {
4489
if (!printed_test_case_name) {
4490
printed_test_case_name = true;
4491
printf("%s.", test_case->name());
4492
if (test_case->type_param() != NULL) {
4493
printf(" # %s = ", kTypeParamLabel);
4494
// We print the type parameter on a single line to make
4495
// the output easy to parse by a program.
4496
PrintOnOneLine(test_case->type_param(), kMaxParamLength);
4500
printf(" %s", test_info->name());
4501
if (test_info->value_param() != NULL) {
4502
printf(" # %s = ", kValueParamLabel);
4503
// We print the value parameter on a single line to make the
4504
// output easy to parse by a program.
4505
PrintOnOneLine(test_info->value_param(), kMaxParamLength);
4514
// Sets the OS stack trace getter.
4516
// Does nothing if the input and the current OS stack trace getter are
4517
// the same; otherwise, deletes the old getter and makes the input the
4519
void UnitTestImpl::set_os_stack_trace_getter(
4520
OsStackTraceGetterInterface* getter) {
4521
if (os_stack_trace_getter_ != getter) {
4522
delete os_stack_trace_getter_;
4523
os_stack_trace_getter_ = getter;
4527
// Returns the current OS stack trace getter if it is not NULL;
4528
// otherwise, creates an OsStackTraceGetter, makes it the current
4529
// getter, and returns it.
4530
OsStackTraceGetterInterface* UnitTestImpl::os_stack_trace_getter() {
4531
if (os_stack_trace_getter_ == NULL) {
4532
os_stack_trace_getter_ = new OsStackTraceGetter;
4535
return os_stack_trace_getter_;
4538
// Returns the TestResult for the test that's currently running, or
4539
// the TestResult for the ad hoc test if no test is running.
4540
TestResult* UnitTestImpl::current_test_result() {
4541
return current_test_info_ ?
4542
&(current_test_info_->result_) : &ad_hoc_test_result_;
4545
// Shuffles all test cases, and the tests within each test case,
4546
// making sure that death tests are still run first.
4547
void UnitTestImpl::ShuffleTests() {
4548
// Shuffles the death test cases.
4549
ShuffleRange(random(), 0, last_death_test_case_ + 1, &test_case_indices_);
4551
// Shuffles the non-death test cases.
4552
ShuffleRange(random(), last_death_test_case_ + 1,
4553
static_cast<int>(test_cases_.size()), &test_case_indices_);
4555
// Shuffles the tests inside each test case.
4556
for (size_t i = 0; i < test_cases_.size(); i++) {
4557
test_cases_[i]->ShuffleTests(random());
4561
// Restores the test cases and tests to their order before the first shuffle.
4562
void UnitTestImpl::UnshuffleTests() {
4563
for (size_t i = 0; i < test_cases_.size(); i++) {
4564
// Unshuffles the tests in each test case.
4565
test_cases_[i]->UnshuffleTests();
4566
// Resets the index of each test case.
4567
test_case_indices_[i] = static_cast<int>(i);
4571
// Returns the current OS stack trace as an std::string.
4573
// The maximum number of stack frames to be included is specified by
4574
// the gtest_stack_trace_depth flag. The skip_count parameter
4575
// specifies the number of top frames to be skipped, which doesn't
4576
// count against the number of frames to be included.
4578
// For example, if Foo() calls Bar(), which in turn calls
4579
// GetCurrentOsStackTraceExceptTop(..., 1), Foo() will be included in
4580
// the trace but Bar() and GetCurrentOsStackTraceExceptTop() won't.
4581
std::string GetCurrentOsStackTraceExceptTop(UnitTest* /*unit_test*/,
4583
// We pass skip_count + 1 to skip this wrapper function in addition
4584
// to what the user really wants to skip.
4585
return GetUnitTestImpl()->CurrentOsStackTraceExceptTop(skip_count + 1);
4588
// Used by the GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_ macro to
4589
// suppress unreachable code warnings.
4591
class ClassUniqueToAlwaysTrue {};
4594
bool IsTrue(bool condition) { return condition; }
4597
#if GTEST_HAS_EXCEPTIONS
4598
// This condition is always false so AlwaysTrue() never actually throws,
4599
// but it makes the compiler think that it may throw.
4601
throw ClassUniqueToAlwaysTrue();
4602
#endif // GTEST_HAS_EXCEPTIONS
4606
// If *pstr starts with the given prefix, modifies *pstr to be right
4607
// past the prefix and returns true; otherwise leaves *pstr unchanged
4608
// and returns false. None of pstr, *pstr, and prefix can be NULL.
4609
bool SkipPrefix(const char* prefix, const char** pstr) {
4610
const size_t prefix_len = strlen(prefix);
4611
if (strncmp(*pstr, prefix, prefix_len) == 0) {
4612
*pstr += prefix_len;
4618
// Parses a string as a command line flag. The string should have
4619
// the format "--flag=value". When def_optional is true, the "=value"
4620
// part can be omitted.
4622
// Returns the value of the flag, or NULL if the parsing failed.
4623
const char* ParseFlagValue(const char* str,
4625
bool def_optional) {
4626
// str and flag must not be NULL.
4627
if (str == NULL || flag == NULL) return NULL;
4629
// The flag must start with "--" followed by GTEST_FLAG_PREFIX_.
4630
const std::string flag_str = std::string("--") + GTEST_FLAG_PREFIX_ + flag;
4631
const size_t flag_len = flag_str.length();
4632
if (strncmp(str, flag_str.c_str(), flag_len) != 0) return NULL;
4634
// Skips the flag name.
4635
const char* flag_end = str + flag_len;
4637
// When def_optional is true, it's OK to not have a "=value" part.
4638
if (def_optional && (flag_end[0] == '\0')) {
4642
// If def_optional is true and there are more characters after the
4643
// flag name, or if def_optional is false, there must be a '=' after
4645
if (flag_end[0] != '=') return NULL;
4647
// Returns the string after "=".
4648
return flag_end + 1;
4651
// Parses a string for a bool flag, in the form of either
4652
// "--flag=value" or "--flag".
4654
// In the former case, the value is taken as true as long as it does
4655
// not start with '0', 'f', or 'F'.
4657
// In the latter case, the value is taken as true.
4659
// On success, stores the value of the flag in *value, and returns
4660
// true. On failure, returns false without changing *value.
4661
bool ParseBoolFlag(const char* str, const char* flag, bool* value) {
4662
// Gets the value of the flag as a string.
4663
const char* const value_str = ParseFlagValue(str, flag, true);
4665
// Aborts if the parsing failed.
4666
if (value_str == NULL) return false;
4668
// Converts the string value to a bool.
4669
*value = !(*value_str == '0' || *value_str == 'f' || *value_str == 'F');
4673
// Parses a string for an Int32 flag, in the form of
4676
// On success, stores the value of the flag in *value, and returns
4677
// true. On failure, returns false without changing *value.
4678
bool ParseInt32Flag(const char* str, const char* flag, Int32* value) {
4679
// Gets the value of the flag as a string.
4680
const char* const value_str = ParseFlagValue(str, flag, false);
4682
// Aborts if the parsing failed.
4683
if (value_str == NULL) return false;
4685
// Sets *value to the value of the flag.
4686
return ParseInt32(Message() << "The value of flag --" << flag,
4690
// Parses a string for a string flag, in the form of
4693
// On success, stores the value of the flag in *value, and returns
4694
// true. On failure, returns false without changing *value.
4695
bool ParseStringFlag(const char* str, const char* flag, std::string* value) {
4696
// Gets the value of the flag as a string.
4697
const char* const value_str = ParseFlagValue(str, flag, false);
4699
// Aborts if the parsing failed.
4700
if (value_str == NULL) return false;
4702
// Sets *value to the value of the flag.
4707
// Determines whether a string has a prefix that Google Test uses for its
4708
// flags, i.e., starts with GTEST_FLAG_PREFIX_ or GTEST_FLAG_PREFIX_DASH_.
4709
// If Google Test detects that a command line flag has its prefix but is not
4710
// recognized, it will print its help message. Flags starting with
4711
// GTEST_INTERNAL_PREFIX_ followed by "internal_" are considered Google Test
4712
// internal flags and do not trigger the help message.
4713
static bool HasGoogleTestFlagPrefix(const char* str) {
4714
return (SkipPrefix("--", &str) ||
4715
SkipPrefix("-", &str) ||
4716
SkipPrefix("/", &str)) &&
4717
!SkipPrefix(GTEST_FLAG_PREFIX_ "internal_", &str) &&
4718
(SkipPrefix(GTEST_FLAG_PREFIX_, &str) ||
4719
SkipPrefix(GTEST_FLAG_PREFIX_DASH_, &str));
4722
// Prints a string containing code-encoded text. The following escape
4723
// sequences can be used in the string to control the text color:
4725
// @@ prints a single '@' character.
4726
// @R changes the color to red.
4727
// @G changes the color to green.
4728
// @Y changes the color to yellow.
4729
// @D changes to the default terminal text color.
4731
// TODO(wan@google.com): Write tests for this once we add stdout
4732
// capturing to Google Test.
4733
static void PrintColorEncoded(const char* str) {
4734
GTestColor color = COLOR_DEFAULT; // The current color.
4736
// Conceptually, we split the string into segments divided by escape
4737
// sequences. Then we print one segment at a time. At the end of
4738
// each iteration, the str pointer advances to the beginning of the
4741
const char* p = strchr(str, '@');
4743
ColoredPrintf(color, "%s", str);
4747
ColoredPrintf(color, "%s", std::string(str, p).c_str());
4749
const char ch = p[1];
4752
ColoredPrintf(color, "@");
4753
} else if (ch == 'D') {
4754
color = COLOR_DEFAULT;
4755
} else if (ch == 'R') {
4757
} else if (ch == 'G') {
4758
color = COLOR_GREEN;
4759
} else if (ch == 'Y') {
4760
color = COLOR_YELLOW;
4767
static const char kColorEncodedHelpMessage[] =
4768
"This program contains tests written using " GTEST_NAME_ ". You can use the\n"
4769
"following command line flags to control its behavior:\n"
4772
" @G--" GTEST_FLAG_PREFIX_ "list_tests@D\n"
4773
" List the names of all tests instead of running them. The name of\n"
4774
" TEST(Foo, Bar) is \"Foo.Bar\".\n"
4775
" @G--" GTEST_FLAG_PREFIX_ "filter=@YPOSTIVE_PATTERNS"
4776
"[@G-@YNEGATIVE_PATTERNS]@D\n"
4777
" Run only the tests whose name matches one of the positive patterns but\n"
4778
" none of the negative patterns. '?' matches any single character; '*'\n"
4779
" matches any substring; ':' separates two patterns.\n"
4780
" @G--" GTEST_FLAG_PREFIX_ "also_run_disabled_tests@D\n"
4781
" Run all disabled tests too.\n"
4784
" @G--" GTEST_FLAG_PREFIX_ "repeat=@Y[COUNT]@D\n"
4785
" Run the tests repeatedly; use a negative count to repeat forever.\n"
4786
" @G--" GTEST_FLAG_PREFIX_ "shuffle@D\n"
4787
" Randomize tests' orders on every iteration.\n"
4788
" @G--" GTEST_FLAG_PREFIX_ "random_seed=@Y[NUMBER]@D\n"
4789
" Random number seed to use for shuffling test orders (between 1 and\n"
4790
" 99999, or 0 to use a seed based on the current time).\n"
4793
" @G--" GTEST_FLAG_PREFIX_ "color=@Y(@Gyes@Y|@Gno@Y|@Gauto@Y)@D\n"
4794
" Enable/disable colored output. The default is @Gauto@D.\n"
4795
" -@G-" GTEST_FLAG_PREFIX_ "print_time=0@D\n"
4796
" Don't print the elapsed time of each test.\n"
4797
" @G--" GTEST_FLAG_PREFIX_ "output=xml@Y[@G:@YDIRECTORY_PATH@G"
4798
GTEST_PATH_SEP_ "@Y|@G:@YFILE_PATH]@D\n"
4799
" Generate an XML report in the given directory or with the given file\n"
4800
" name. @YFILE_PATH@D defaults to @Gtest_details.xml@D.\n"
4801
#if GTEST_CAN_STREAM_RESULTS_
4802
" @G--" GTEST_FLAG_PREFIX_ "stream_result_to=@YHOST@G:@YPORT@D\n"
4803
" Stream test results to the given server.\n"
4804
#endif // GTEST_CAN_STREAM_RESULTS_
4806
"Assertion Behavior:\n"
4807
#if GTEST_HAS_DEATH_TEST && !GTEST_OS_WINDOWS
4808
" @G--" GTEST_FLAG_PREFIX_ "death_test_style=@Y(@Gfast@Y|@Gthreadsafe@Y)@D\n"
4809
" Set the default death test style.\n"
4810
#endif // GTEST_HAS_DEATH_TEST && !GTEST_OS_WINDOWS
4811
" @G--" GTEST_FLAG_PREFIX_ "break_on_failure@D\n"
4812
" Turn assertion failures into debugger break-points.\n"
4813
" @G--" GTEST_FLAG_PREFIX_ "throw_on_failure@D\n"
4814
" Turn assertion failures into C++ exceptions.\n"
4815
" @G--" GTEST_FLAG_PREFIX_ "catch_exceptions=0@D\n"
4816
" Do not report exceptions as test failures. Instead, allow them\n"
4817
" to crash the program or throw a pop-up (on Windows).\n"
4819
"Except for @G--" GTEST_FLAG_PREFIX_ "list_tests@D, you can alternatively set "
4820
"the corresponding\n"
4821
"environment variable of a flag (all letters in upper-case). For example, to\n"
4822
"disable colored text output, you can either specify @G--" GTEST_FLAG_PREFIX_
4823
"color=no@D or set\n"
4824
"the @G" GTEST_FLAG_PREFIX_UPPER_ "COLOR@D environment variable to @Gno@D.\n"
4826
"For more information, please read the " GTEST_NAME_ " documentation at\n"
4827
"@G" GTEST_PROJECT_URL_ "@D. If you find a bug in " GTEST_NAME_ "\n"
4828
"(not one in your own code or tests), please report it to\n"
4829
"@G<" GTEST_DEV_EMAIL_ ">@D.\n";
4831
// Parses the command line for Google Test flags, without initializing
4832
// other parts of Google Test. The type parameter CharType can be
4833
// instantiated to either char or wchar_t.
4834
template <typename CharType>
4835
void ParseGoogleTestFlagsOnlyImpl(int* argc, CharType** argv) {
4836
for (int i = 1; i < *argc; i++) {
4837
const std::string arg_string = StreamableToString(argv[i]);
4838
const char* const arg = arg_string.c_str();
4840
using internal::ParseBoolFlag;
4841
using internal::ParseInt32Flag;
4842
using internal::ParseStringFlag;
4844
// Do we see a Google Test flag?
4845
if (ParseBoolFlag(arg, kAlsoRunDisabledTestsFlag,
4846
>EST_FLAG(also_run_disabled_tests)) ||
4847
ParseBoolFlag(arg, kBreakOnFailureFlag,
4848
>EST_FLAG(break_on_failure)) ||
4849
ParseBoolFlag(arg, kCatchExceptionsFlag,
4850
>EST_FLAG(catch_exceptions)) ||
4851
ParseStringFlag(arg, kColorFlag, >EST_FLAG(color)) ||
4852
ParseStringFlag(arg, kDeathTestStyleFlag,
4853
>EST_FLAG(death_test_style)) ||
4854
ParseBoolFlag(arg, kDeathTestUseFork,
4855
>EST_FLAG(death_test_use_fork)) ||
4856
ParseStringFlag(arg, kFilterFlag, >EST_FLAG(filter)) ||
4857
ParseStringFlag(arg, kInternalRunDeathTestFlag,
4858
>EST_FLAG(internal_run_death_test)) ||
4859
ParseBoolFlag(arg, kListTestsFlag, >EST_FLAG(list_tests)) ||
4860
ParseStringFlag(arg, kOutputFlag, >EST_FLAG(output)) ||
4861
ParseBoolFlag(arg, kPrintTimeFlag, >EST_FLAG(print_time)) ||
4862
ParseInt32Flag(arg, kRandomSeedFlag, >EST_FLAG(random_seed)) ||
4863
ParseInt32Flag(arg, kRepeatFlag, >EST_FLAG(repeat)) ||
4864
ParseBoolFlag(arg, kShuffleFlag, >EST_FLAG(shuffle)) ||
4865
ParseInt32Flag(arg, kStackTraceDepthFlag,
4866
>EST_FLAG(stack_trace_depth)) ||
4867
ParseStringFlag(arg, kStreamResultToFlag,
4868
>EST_FLAG(stream_result_to)) ||
4869
ParseBoolFlag(arg, kThrowOnFailureFlag,
4870
>EST_FLAG(throw_on_failure))
4872
// Yes. Shift the remainder of the argv list left by one. Note
4873
// that argv has (*argc + 1) elements, the last one always being
4874
// NULL. The following loop moves the trailing NULL element as
4876
for (int j = i; j != *argc; j++) {
4877
argv[j] = argv[j + 1];
4880
// Decrements the argument count.
4883
// We also need to decrement the iterator as we just removed
4886
} else if (arg_string == "--help" || arg_string == "-h" ||
4887
arg_string == "-?" || arg_string == "/?" ||
4888
HasGoogleTestFlagPrefix(arg)) {
4889
// Both help flag and unrecognized Google Test flags (excluding
4890
// internal ones) trigger help display.
4896
// We print the help here instead of in RUN_ALL_TESTS(), as the
4897
// latter may not be called at all if the user is using Google
4898
// Test with another testing framework.
4899
PrintColorEncoded(kColorEncodedHelpMessage);
4903
// Parses the command line for Google Test flags, without initializing
4904
// other parts of Google Test.
4905
void ParseGoogleTestFlagsOnly(int* argc, char** argv) {
4906
ParseGoogleTestFlagsOnlyImpl(argc, argv);
4908
void ParseGoogleTestFlagsOnly(int* argc, wchar_t** argv) {
4909
ParseGoogleTestFlagsOnlyImpl(argc, argv);
4912
// The internal implementation of InitGoogleTest().
4914
// The type parameter CharType can be instantiated to either char or
4916
template <typename CharType>
4917
void InitGoogleTestImpl(int* argc, CharType** argv) {
4918
g_init_gtest_count++;
4920
// We don't want to run the initialization code twice.
4921
if (g_init_gtest_count != 1) return;
4923
if (*argc <= 0) return;
4925
internal::g_executable_path = internal::StreamableToString(argv[0]);
4927
#if GTEST_HAS_DEATH_TEST
4930
for (int i = 0; i != *argc; i++) {
4931
g_argvs.push_back(StreamableToString(argv[i]));
4934
#endif // GTEST_HAS_DEATH_TEST
4936
ParseGoogleTestFlagsOnly(argc, argv);
4937
GetUnitTestImpl()->PostFlagParsingInit();
4940
} // namespace internal
4942
// Initializes Google Test. This must be called before calling
4943
// RUN_ALL_TESTS(). In particular, it parses a command line for the
4944
// flags that Google Test recognizes. Whenever a Google Test flag is
4945
// seen, it is removed from argv, and *argc is decremented.
4947
// No value is returned. Instead, the Google Test flag variables are
4950
// Calling the function for the second time has no user-visible effect.
4951
void InitGoogleTest(int* argc, char** argv) {
4952
internal::InitGoogleTestImpl(argc, argv);
4955
// This overloaded version can be used in Windows programs compiled in
4957
void InitGoogleTest(int* argc, wchar_t** argv) {
4958
internal::InitGoogleTestImpl(argc, argv);
4961
} // namespace testing