174 lines
6.5 KiB
C++
174 lines
6.5 KiB
C++
// Copyright 2007, Google Inc.
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// All rights reserved.
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//
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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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// met:
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//
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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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// distribution.
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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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//
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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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//
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// Author: wan@google.com (Zhanyong Wan)
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// Google Mock - a framework for writing C++ mock classes.
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//
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// This file defines some utilities useful for implementing Google
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// Mock. They are subject to change without notice, so please DO NOT
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// USE THEM IN USER CODE.
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#include "gmock/internal/gmock-internal-utils.h"
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#include <ctype.h>
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#include <ostream> // NOLINT
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#include <string>
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#include "gmock/gmock.h"
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#include "gmock/internal/gmock-port.h"
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#include "gtest/gtest.h"
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namespace testing {
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namespace internal {
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// Converts an identifier name to a space-separated list of lower-case
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// words. Each maximum substring of the form [A-Za-z][a-z]*|\d+ is
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// treated as one word. For example, both "FooBar123" and
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// "foo_bar_123" are converted to "foo bar 123".
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string ConvertIdentifierNameToWords(const char* id_name) {
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string result;
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char prev_char = '\0';
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for (const char* p = id_name; *p != '\0'; prev_char = *(p++)) {
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// We don't care about the current locale as the input is
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// guaranteed to be a valid C++ identifier name.
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const bool starts_new_word = IsUpper(*p) ||
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(!IsAlpha(prev_char) && IsLower(*p)) ||
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(!IsDigit(prev_char) && IsDigit(*p));
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if (IsAlNum(*p)) {
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if (starts_new_word && result != "")
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result += ' ';
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result += ToLower(*p);
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}
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}
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return result;
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}
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// This class reports Google Mock failures as Google Test failures. A
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// user can define another class in a similar fashion if he intends to
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// use Google Mock with a testing framework other than Google Test.
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class GoogleTestFailureReporter : public FailureReporterInterface {
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public:
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virtual void ReportFailure(FailureType type, const char* file, int line,
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const string& message) {
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AssertHelper(type == FATAL ?
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TestPartResult::kFatalFailure :
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TestPartResult::kNonFatalFailure,
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file,
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line,
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message.c_str()) = Message();
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if (type == FATAL) {
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posix::Abort();
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}
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}
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};
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// Returns the global failure reporter. Will create a
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// GoogleTestFailureReporter and return it the first time called.
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FailureReporterInterface* GetFailureReporter() {
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// Points to the global failure reporter used by Google Mock. gcc
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// guarantees that the following use of failure_reporter is
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// thread-safe. We may need to add additional synchronization to
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// protect failure_reporter if we port Google Mock to other
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// compilers.
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static FailureReporterInterface* const failure_reporter =
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new GoogleTestFailureReporter();
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return failure_reporter;
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}
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// Protects global resources (stdout in particular) used by Log().
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static GTEST_DEFINE_STATIC_MUTEX_(g_log_mutex);
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// Returns true iff a log with the given severity is visible according
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// to the --gmock_verbose flag.
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bool LogIsVisible(LogSeverity severity) {
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if (GMOCK_FLAG(verbose) == kInfoVerbosity) {
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// Always show the log if --gmock_verbose=info.
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return true;
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} else if (GMOCK_FLAG(verbose) == kErrorVerbosity) {
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// Always hide it if --gmock_verbose=error.
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return false;
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} else {
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// If --gmock_verbose is neither "info" nor "error", we treat it
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// as "warning" (its default value).
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return severity == WARNING;
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}
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}
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// Prints the given message to stdout iff 'severity' >= the level
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// specified by the --gmock_verbose flag. If stack_frames_to_skip >=
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// 0, also prints the stack trace excluding the top
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// stack_frames_to_skip frames. In opt mode, any positive
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// stack_frames_to_skip is treated as 0, since we don't know which
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// function calls will be inlined by the compiler and need to be
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// conservative.
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void Log(LogSeverity severity, const string& message,
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int stack_frames_to_skip) {
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if (!LogIsVisible(severity))
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return;
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// Ensures that logs from different threads don't interleave.
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MutexLock l(&g_log_mutex);
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// "using ::std::cout;" doesn't work with Symbian's STLport, where cout is a
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// macro.
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if (severity == WARNING) {
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// Prints a GMOCK WARNING marker to make the warnings easily searchable.
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std::cout << "\nGMOCK WARNING:";
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}
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// Pre-pends a new-line to message if it doesn't start with one.
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if (message.empty() || message[0] != '\n') {
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std::cout << "\n";
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}
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std::cout << message;
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if (stack_frames_to_skip >= 0) {
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#ifdef NDEBUG
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// In opt mode, we have to be conservative and skip no stack frame.
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const int actual_to_skip = 0;
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#else
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// In dbg mode, we can do what the caller tell us to do (plus one
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// for skipping this function's stack frame).
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const int actual_to_skip = stack_frames_to_skip + 1;
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#endif // NDEBUG
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// Appends a new-line to message if it doesn't end with one.
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if (!message.empty() && *message.rbegin() != '\n') {
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std::cout << "\n";
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}
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std::cout << "Stack trace:\n"
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<< ::testing::internal::GetCurrentOsStackTraceExceptTop(
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::testing::UnitTest::GetInstance(), actual_to_skip);
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}
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std::cout << ::std::flush;
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}
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} // namespace internal
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} // namespace testing
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