Index: testing/gmock/src/gmock-internal-utils.cc |
diff --git a/testing/gmock/src/gmock-internal-utils.cc b/testing/gmock/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. |
+// |
+// 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 |