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google/googletest/dist/googlemock/src/gmock-internal-utils.cc
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// Copyright 2007, Google Inc. | |||||
// All rights reserved. | |||||
// | |||||
// Redistribution and use in source and binary forms, with or without | |||||
// modification, are permitted provided that the following conditions are | |||||
// met: | |||||
// | |||||
// * Redistributions of source code must retain the above copyright | |||||
// notice, this list of conditions and the following disclaimer. | |||||
// * Redistributions in binary form must reproduce the above | |||||
// copyright notice, this list of conditions and the following disclaimer | |||||
// in the documentation and/or other materials provided with the | |||||
// distribution. | |||||
// * Neither the name of Google Inc. nor the names of its | |||||
// contributors may be used to endorse or promote products derived from | |||||
// this software without specific prior written permission. | |||||
// | |||||
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |||||
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |||||
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |||||
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |||||
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |||||
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |||||
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |||||
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |||||
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |||||
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |||||
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |||||
// Google Mock - a framework for writing C++ mock classes. | |||||
// | |||||
// This file defines some utilities useful for implementing Google | |||||
// Mock. They are subject to change without notice, so please DO NOT | |||||
// USE THEM IN USER CODE. | |||||
#include "gmock/internal/gmock-internal-utils.h" | |||||
#include <ctype.h> | |||||
#include <ostream> // NOLINT | |||||
#include <string> | |||||
#include "gmock/gmock.h" | |||||
#include "gmock/internal/gmock-port.h" | |||||
#include "gtest/gtest.h" | |||||
namespace testing { | |||||
namespace internal { | |||||
// Joins a vector of strings as if they are fields of a tuple; returns | |||||
// the joined string. | |||||
GTEST_API_ std::string JoinAsTuple(const Strings& fields) { | |||||
switch (fields.size()) { | |||||
case 0: | |||||
return ""; | |||||
case 1: | |||||
return fields[0]; | |||||
default: | |||||
std::string result = "(" + fields[0]; | |||||
for (size_t i = 1; i < fields.size(); i++) { | |||||
result += ", "; | |||||
result += fields[i]; | |||||
} | |||||
result += ")"; | |||||
return result; | |||||
} | |||||
} | |||||
// Converts an identifier name to a space-separated list of lower-case | |||||
// words. Each maximum substring of the form [A-Za-z][a-z]*|\d+ is | |||||
// treated as one word. For example, both "FooBar123" and | |||||
// "foo_bar_123" are converted to "foo bar 123". | |||||
GTEST_API_ std::string ConvertIdentifierNameToWords(const char* id_name) { | |||||
std::string result; | |||||
char prev_char = '\0'; | |||||
for (const char* p = id_name; *p != '\0'; prev_char = *(p++)) { | |||||
// We don't care about the current locale as the input is | |||||
// guaranteed to be a valid C++ identifier name. | |||||
const bool starts_new_word = IsUpper(*p) || | |||||
(!IsAlpha(prev_char) && IsLower(*p)) || | |||||
(!IsDigit(prev_char) && IsDigit(*p)); | |||||
if (IsAlNum(*p)) { | |||||
if (starts_new_word && result != "") | |||||
result += ' '; | |||||
result += ToLower(*p); | |||||
} | |||||
} | |||||
return result; | |||||
} | |||||
// This class reports Google Mock failures as Google Test failures. A | |||||
// user can define another class in a similar fashion if they intend to | |||||
// use Google Mock with a testing framework other than Google Test. | |||||
class GoogleTestFailureReporter : public FailureReporterInterface { | |||||
public: | |||||
virtual void ReportFailure(FailureType type, const char* file, int line, | |||||
const std::string& message) { | |||||
AssertHelper(type == kFatal ? | |||||
TestPartResult::kFatalFailure : | |||||
TestPartResult::kNonFatalFailure, | |||||
file, | |||||
line, | |||||
message.c_str()) = Message(); | |||||
if (type == kFatal) { | |||||
posix::Abort(); | |||||
} | |||||
} | |||||
}; | |||||
// Returns the global failure reporter. Will create a | |||||
// GoogleTestFailureReporter and return it the first time called. | |||||
GTEST_API_ FailureReporterInterface* GetFailureReporter() { | |||||
// Points to the global failure reporter used by Google Mock. gcc | |||||
// guarantees that the following use of failure_reporter is | |||||
// thread-safe. We may need to add additional synchronization to | |||||
// protect failure_reporter if we port Google Mock to other | |||||
// compilers. | |||||
static FailureReporterInterface* const failure_reporter = | |||||
new GoogleTestFailureReporter(); | |||||
return failure_reporter; | |||||
} | |||||
// Protects global resources (stdout in particular) used by Log(). | |||||
static GTEST_DEFINE_STATIC_MUTEX_(g_log_mutex); | |||||
// Returns true iff a log with the given severity is visible according | |||||
// to the --gmock_verbose flag. | |||||
GTEST_API_ bool LogIsVisible(LogSeverity severity) { | |||||
if (GMOCK_FLAG(verbose) == kInfoVerbosity) { | |||||
// Always show the log if --gmock_verbose=info. | |||||
return true; | |||||
} else if (GMOCK_FLAG(verbose) == kErrorVerbosity) { | |||||
// Always hide it if --gmock_verbose=error. | |||||
return false; | |||||
} else { | |||||
// If --gmock_verbose is neither "info" nor "error", we treat it | |||||
// as "warning" (its default value). | |||||
return severity == kWarning; | |||||
} | |||||
} | |||||
// Prints the given message to stdout iff 'severity' >= the level | |||||
// specified by the --gmock_verbose flag. If stack_frames_to_skip >= | |||||
// 0, also prints the stack trace excluding the top | |||||
// stack_frames_to_skip frames. In opt mode, any positive | |||||
// stack_frames_to_skip is treated as 0, since we don't know which | |||||
// function calls will be inlined by the compiler and need to be | |||||
// conservative. | |||||
GTEST_API_ void Log(LogSeverity severity, const std::string& message, | |||||
int stack_frames_to_skip) { | |||||
if (!LogIsVisible(severity)) | |||||
return; | |||||
// Ensures that logs from different threads don't interleave. | |||||
MutexLock l(&g_log_mutex); | |||||
// "using ::std::cout;" doesn't work with Symbian's STLport, where cout is a | |||||
// macro. | |||||
if (severity == kWarning) { | |||||
// Prints a GMOCK WARNING marker to make the warnings easily searchable. | |||||
std::cout << "\nGMOCK WARNING:"; | |||||
} | |||||
// Pre-pends a new-line to message if it doesn't start with one. | |||||
if (message.empty() || message[0] != '\n') { | |||||
std::cout << "\n"; | |||||
} | |||||
std::cout << message; | |||||
if (stack_frames_to_skip >= 0) { | |||||
#ifdef NDEBUG | |||||
// In opt mode, we have to be conservative and skip no stack frame. | |||||
const int actual_to_skip = 0; | |||||
#else | |||||
// In dbg mode, we can do what the caller tell us to do (plus one | |||||
// for skipping this function's stack frame). | |||||
const int actual_to_skip = stack_frames_to_skip + 1; | |||||
#endif // NDEBUG | |||||
// Appends a new-line to message if it doesn't end with one. | |||||
if (!message.empty() && *message.rbegin() != '\n') { | |||||
std::cout << "\n"; | |||||
} | |||||
std::cout << "Stack trace:\n" | |||||
<< ::testing::internal::GetCurrentOsStackTraceExceptTop( | |||||
::testing::UnitTest::GetInstance(), actual_to_skip); | |||||
} | |||||
std::cout << ::std::flush; | |||||
} | |||||
GTEST_API_ WithoutMatchers GetWithoutMatchers() { return WithoutMatchers(); } | |||||
GTEST_API_ void IllegalDoDefault(const char* file, int line) { | |||||
internal::Assert( | |||||
false, file, line, | |||||
"You are using DoDefault() inside a composite action like " | |||||
"DoAll() or WithArgs(). This is not supported for technical " | |||||
"reasons. Please instead spell out the default action, or " | |||||
"assign the default action to an Action variable and use " | |||||
"the variable in various places."); | |||||
} | |||||
} // namespace internal | |||||
} // namespace testing |