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Diffstat (limited to 'testing/gmock/src/gmock-internal-utils.cc')
-rw-r--r-- | testing/gmock/src/gmock-internal-utils.cc | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/testing/gmock/src/gmock-internal-utils.cc b/testing/gmock/src/gmock-internal-utils.cc new file mode 100644 index 0000000..735abce --- /dev/null +++ b/testing/gmock/src/gmock-internal-utils.cc @@ -0,0 +1,159 @@ +// 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. +// +// Author: wan@google.com (Zhanyong Wan) + +// 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 { + +// 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". +string ConvertIdentifierNameToWords(const char* id_name) { + 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 he intends 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 string& message) { + AssertHelper(type == FATAL ? TPRT_FATAL_FAILURE : TPRT_NONFATAL_FAILURE, + file, line, message.c_str()) = Message(); + if (type == FATAL) { + abort(); + } + } +}; + +// Returns the global failure reporter. Will create a +// GoogleTestFailureReporter and return it the first time called. +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 Mutex g_log_mutex(Mutex::NO_CONSTRUCTOR_NEEDED_FOR_STATIC_MUTEX); + +// 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. +void Log(LogSeverity severity, const string& message, + int stack_frames_to_skip) { + if (GMOCK_FLAG(verbose) == kErrorVerbosity) { + // The user is not interested in logs. + return; + } else if (GMOCK_FLAG(verbose) != kInfoVerbosity) { + // The user is interested in warnings but not informational logs. + // Note that invalid values of GMOCK_FLAG(verbose) are treated as + // "warning", which is the default value of the flag. + if (severity == INFO) { + return; + } + } + + // Ensures that logs from different threads don't interleave. + MutexLock l(&g_log_mutex); + using ::std::cout; + if (severity == WARNING) { + // Prints a GMOCK WARNING marker to make the warnings easily searchable. + cout << "\nGMOCK WARNING:"; + } + // Pre-pends a new-line to message if it doesn't start with one. + if (message.empty() || message[0] != '\n') { + cout << "\n"; + } + 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') { + cout << "\n"; + } + cout << "Stack trace:\n" + << ::testing::internal::GetCurrentOsStackTraceExceptTop( + ::testing::UnitTest::GetInstance(), actual_to_skip); + } + cout << ::std::flush; +} + +} // namespace internal +} // namespace testing |