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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