1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/testing/gtest/gmock/src/gmock-internal-utils.cc Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,173 @@
1.4 +// Copyright 2007, Google Inc.
1.5 +// All rights reserved.
1.6 +//
1.7 +// Redistribution and use in source and binary forms, with or without
1.8 +// modification, are permitted provided that the following conditions are
1.9 +// met:
1.10 +//
1.11 +// * Redistributions of source code must retain the above copyright
1.12 +// notice, this list of conditions and the following disclaimer.
1.13 +// * Redistributions in binary form must reproduce the above
1.14 +// copyright notice, this list of conditions and the following disclaimer
1.15 +// in the documentation and/or other materials provided with the
1.16 +// distribution.
1.17 +// * Neither the name of Google Inc. nor the names of its
1.18 +// contributors may be used to endorse or promote products derived from
1.19 +// this software without specific prior written permission.
1.20 +//
1.21 +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.22 +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.23 +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1.24 +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
1.25 +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1.26 +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
1.27 +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
1.28 +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
1.29 +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
1.30 +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1.31 +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.32 +//
1.33 +// Author: wan@google.com (Zhanyong Wan)
1.34 +
1.35 +// Google Mock - a framework for writing C++ mock classes.
1.36 +//
1.37 +// This file defines some utilities useful for implementing Google
1.38 +// Mock. They are subject to change without notice, so please DO NOT
1.39 +// USE THEM IN USER CODE.
1.40 +
1.41 +#include "gmock/internal/gmock-internal-utils.h"
1.42 +
1.43 +#include <ctype.h>
1.44 +#include <ostream> // NOLINT
1.45 +#include <string>
1.46 +#include "gmock/gmock.h"
1.47 +#include "gmock/internal/gmock-port.h"
1.48 +#include "gtest/gtest.h"
1.49 +
1.50 +namespace testing {
1.51 +namespace internal {
1.52 +
1.53 +// Converts an identifier name to a space-separated list of lower-case
1.54 +// words. Each maximum substring of the form [A-Za-z][a-z]*|\d+ is
1.55 +// treated as one word. For example, both "FooBar123" and
1.56 +// "foo_bar_123" are converted to "foo bar 123".
1.57 +string ConvertIdentifierNameToWords(const char* id_name) {
1.58 + string result;
1.59 + char prev_char = '\0';
1.60 + for (const char* p = id_name; *p != '\0'; prev_char = *(p++)) {
1.61 + // We don't care about the current locale as the input is
1.62 + // guaranteed to be a valid C++ identifier name.
1.63 + const bool starts_new_word = IsUpper(*p) ||
1.64 + (!IsAlpha(prev_char) && IsLower(*p)) ||
1.65 + (!IsDigit(prev_char) && IsDigit(*p));
1.66 +
1.67 + if (IsAlNum(*p)) {
1.68 + if (starts_new_word && result != "")
1.69 + result += ' ';
1.70 + result += ToLower(*p);
1.71 + }
1.72 + }
1.73 + return result;
1.74 +}
1.75 +
1.76 +// This class reports Google Mock failures as Google Test failures. A
1.77 +// user can define another class in a similar fashion if he intends to
1.78 +// use Google Mock with a testing framework other than Google Test.
1.79 +class GoogleTestFailureReporter : public FailureReporterInterface {
1.80 + public:
1.81 + virtual void ReportFailure(FailureType type, const char* file, int line,
1.82 + const string& message) {
1.83 + AssertHelper(type == FATAL ?
1.84 + TestPartResult::kFatalFailure :
1.85 + TestPartResult::kNonFatalFailure,
1.86 + file,
1.87 + line,
1.88 + message.c_str()) = Message();
1.89 + if (type == FATAL) {
1.90 + posix::Abort();
1.91 + }
1.92 + }
1.93 +};
1.94 +
1.95 +// Returns the global failure reporter. Will create a
1.96 +// GoogleTestFailureReporter and return it the first time called.
1.97 +FailureReporterInterface* GetFailureReporter() {
1.98 + // Points to the global failure reporter used by Google Mock. gcc
1.99 + // guarantees that the following use of failure_reporter is
1.100 + // thread-safe. We may need to add additional synchronization to
1.101 + // protect failure_reporter if we port Google Mock to other
1.102 + // compilers.
1.103 + static FailureReporterInterface* const failure_reporter =
1.104 + new GoogleTestFailureReporter();
1.105 + return failure_reporter;
1.106 +}
1.107 +
1.108 +// Protects global resources (stdout in particular) used by Log().
1.109 +static GTEST_DEFINE_STATIC_MUTEX_(g_log_mutex);
1.110 +
1.111 +// Returns true iff a log with the given severity is visible according
1.112 +// to the --gmock_verbose flag.
1.113 +bool LogIsVisible(LogSeverity severity) {
1.114 + if (GMOCK_FLAG(verbose) == kInfoVerbosity) {
1.115 + // Always show the log if --gmock_verbose=info.
1.116 + return true;
1.117 + } else if (GMOCK_FLAG(verbose) == kErrorVerbosity) {
1.118 + // Always hide it if --gmock_verbose=error.
1.119 + return false;
1.120 + } else {
1.121 + // If --gmock_verbose is neither "info" nor "error", we treat it
1.122 + // as "warning" (its default value).
1.123 + return severity == WARNING;
1.124 + }
1.125 +}
1.126 +
1.127 +// Prints the given message to stdout iff 'severity' >= the level
1.128 +// specified by the --gmock_verbose flag. If stack_frames_to_skip >=
1.129 +// 0, also prints the stack trace excluding the top
1.130 +// stack_frames_to_skip frames. In opt mode, any positive
1.131 +// stack_frames_to_skip is treated as 0, since we don't know which
1.132 +// function calls will be inlined by the compiler and need to be
1.133 +// conservative.
1.134 +void Log(LogSeverity severity, const string& message,
1.135 + int stack_frames_to_skip) {
1.136 + if (!LogIsVisible(severity))
1.137 + return;
1.138 +
1.139 + // Ensures that logs from different threads don't interleave.
1.140 + MutexLock l(&g_log_mutex);
1.141 +
1.142 + // "using ::std::cout;" doesn't work with Symbian's STLport, where cout is a
1.143 + // macro.
1.144 +
1.145 + if (severity == WARNING) {
1.146 + // Prints a GMOCK WARNING marker to make the warnings easily searchable.
1.147 + std::cout << "\nGMOCK WARNING:";
1.148 + }
1.149 + // Pre-pends a new-line to message if it doesn't start with one.
1.150 + if (message.empty() || message[0] != '\n') {
1.151 + std::cout << "\n";
1.152 + }
1.153 + std::cout << message;
1.154 + if (stack_frames_to_skip >= 0) {
1.155 +#ifdef NDEBUG
1.156 + // In opt mode, we have to be conservative and skip no stack frame.
1.157 + const int actual_to_skip = 0;
1.158 +#else
1.159 + // In dbg mode, we can do what the caller tell us to do (plus one
1.160 + // for skipping this function's stack frame).
1.161 + const int actual_to_skip = stack_frames_to_skip + 1;
1.162 +#endif // NDEBUG
1.163 +
1.164 + // Appends a new-line to message if it doesn't end with one.
1.165 + if (!message.empty() && *message.rbegin() != '\n') {
1.166 + std::cout << "\n";
1.167 + }
1.168 + std::cout << "Stack trace:\n"
1.169 + << ::testing::internal::GetCurrentOsStackTraceExceptTop(
1.170 + ::testing::UnitTest::GetInstance(), actual_to_skip);
1.171 + }
1.172 + std::cout << ::std::flush;
1.173 +}
1.174 +
1.175 +} // namespace internal
1.176 +} // namespace testing
