yaml-cpp

gmock-internal-utils.cc (7545B)

---

 // 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:
   void ReportFailure(FailureType type, const char* file, int line,
                      const std::string& message) override {
     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 if and only if 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 if and only if '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);
 
   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