ceph/src/s3select/rapidjson/thirdparty/gtest/googlemock/src/gmock-internal-utils.cc

   1 // Copyright 2007, Google Inc.
   2 // All rights reserved.
   3 //
   4 // Redistribution and use in source and binary forms, with or without
   5 // modification, are permitted provided that the following conditions are
   6 // met:
   7 //
   8 //     * Redistributions of source code must retain the above copyright
   9 // notice, this list of conditions and the following disclaimer.
  10 //     * Redistributions in binary form must reproduce the above
  11 // copyright notice, this list of conditions and the following disclaimer
  12 // in the documentation and/or other materials provided with the
  13 // distribution.
  14 //     * Neither the name of Google Inc. nor the names of its
  15 // contributors may be used to endorse or promote products derived from
  16 // this software without specific prior written permission.
  17 //
  18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29 //
  30 // Author: wan@google.com (Zhanyong Wan)
  31
  32 // Google Mock - a framework for writing C++ mock classes.
  33 //
  34 // This file defines some utilities useful for implementing Google
  35 // Mock.  They are subject to change without notice, so please DO NOT
  36 // USE THEM IN USER CODE.
  37
  38 #include "gmock/internal/gmock-internal-utils.h"
  39
  40 #include <ctype.h>
  41 #include <ostream>  // NOLINT
  42 #include <string>
  43 #include "gmock/gmock.h"
  44 #include "gmock/internal/gmock-port.h"
  45 #include "gtest/gtest.h"
  46
  47 namespace testing {
  48 namespace internal {
  49
  50 // Joins a vector of strings as if they are fields of a tuple; returns
  51 // the joined string.
  52 GTEST_API_ std::string JoinAsTuple(const Strings& fields) {
  53   switch (fields.size()) {
  54     case 0:
  55       return "";
  56     case 1:
  57       return fields[0];
  58     default:
  59       std::string result = "(" + fields[0];
  60       for (size_t i = 1; i < fields.size(); i++) {
  61         result += ", ";
  62         result += fields[i];
  63       }
  64       result += ")";
  65       return result;
  66   }
  67 }
  68
  69 // Converts an identifier name to a space-separated list of lower-case
  70 // words.  Each maximum substring of the form [A-Za-z][a-z]*|\d+ is
  71 // treated as one word.  For example, both "FooBar123" and
  72 // "foo_bar_123" are converted to "foo bar 123".
  73 GTEST_API_ std::string ConvertIdentifierNameToWords(const char* id_name) {
  74   std::string result;
  75   char prev_char = '\0';
  76   for (const char* p = id_name; *p != '\0'; prev_char = *(p++)) {
  77     // We don't care about the current locale as the input is
  78     // guaranteed to be a valid C++ identifier name.
  79     const bool starts_new_word = IsUpper(*p) ||
  80         (!IsAlpha(prev_char) && IsLower(*p)) ||
  81         (!IsDigit(prev_char) && IsDigit(*p));
  82
  83     if (IsAlNum(*p)) {
  84       if (starts_new_word && result != "")
  85         result += ' ';
  86       result += ToLower(*p);
  87     }
  88   }
  89   return result;
  90 }
  91
  92 // This class reports Google Mock failures as Google Test failures.  A
  93 // user can define another class in a similar fashion if they intend to
  94 // use Google Mock with a testing framework other than Google Test.
  95 class GoogleTestFailureReporter : public FailureReporterInterface {
  96  public:
  97   virtual void ReportFailure(FailureType type, const char* file, int line,
  98                              const std::string& message) {
  99     AssertHelper(type == kFatal ?
 100                  TestPartResult::kFatalFailure :
 101                  TestPartResult::kNonFatalFailure,
 102                  file,
 103                  line,
 104                  message.c_str()) = Message();
 105     if (type == kFatal) {
 106       posix::Abort();
 107     }
 108   }
 109 };
 110
 111 // Returns the global failure reporter.  Will create a
 112 // GoogleTestFailureReporter and return it the first time called.
 113 GTEST_API_ FailureReporterInterface* GetFailureReporter() {
 114   // Points to the global failure reporter used by Google Mock.  gcc
 115   // guarantees that the following use of failure_reporter is
 116   // thread-safe.  We may need to add additional synchronization to
 117   // protect failure_reporter if we port Google Mock to other
 118   // compilers.
 119   static FailureReporterInterface* const failure_reporter =
 120       new GoogleTestFailureReporter();
 121   return failure_reporter;
 122 }
 123
 124 // Protects global resources (stdout in particular) used by Log().
 125 static GTEST_DEFINE_STATIC_MUTEX_(g_log_mutex);
 126
 127 // Returns true iff a log with the given severity is visible according
 128 // to the --gmock_verbose flag.
 129 GTEST_API_ bool LogIsVisible(LogSeverity severity) {
 130   if (GMOCK_FLAG(verbose) == kInfoVerbosity) {
 131     // Always show the log if --gmock_verbose=info.
 132     return true;
 133   } else if (GMOCK_FLAG(verbose) == kErrorVerbosity) {
 134     // Always hide it if --gmock_verbose=error.
 135     return false;
 136   } else {
 137     // If --gmock_verbose is neither "info" nor "error", we treat it
 138     // as "warning" (its default value).
 139     return severity == kWarning;
 140   }
 141 }
 142
 143 // Prints the given message to stdout iff 'severity' >= the level
 144 // specified by the --gmock_verbose flag.  If stack_frames_to_skip >=
 145 // 0, also prints the stack trace excluding the top
 146 // stack_frames_to_skip frames.  In opt mode, any positive
 147 // stack_frames_to_skip is treated as 0, since we don't know which
 148 // function calls will be inlined by the compiler and need to be
 149 // conservative.
 150 GTEST_API_ void Log(LogSeverity severity, const std::string& message,
 151                     int stack_frames_to_skip) {
 152   if (!LogIsVisible(severity))
 153     return;
 154
 155   // Ensures that logs from different threads don't interleave.
 156   MutexLock l(&g_log_mutex);
 157
 158   // "using ::std::cout;" doesn't work with Symbian's STLport, where cout is a
 159   // macro.
 160
 161   if (severity == kWarning) {
 162     // Prints a GMOCK WARNING marker to make the warnings easily searchable.
 163     std::cout << "\nGMOCK WARNING:";
 164   }
 165   // Pre-pends a new-line to message if it doesn't start with one.
 166   if (message.empty() || message[0] != '\n') {
 167     std::cout << "\n";
 168   }
 169   std::cout << message;
 170   if (stack_frames_to_skip >= 0) {
 171 #ifdef NDEBUG
 172     // In opt mode, we have to be conservative and skip no stack frame.
 173     const int actual_to_skip = 0;
 174 #else
 175     // In dbg mode, we can do what the caller tell us to do (plus one
 176     // for skipping this function's stack frame).
 177     const int actual_to_skip = stack_frames_to_skip + 1;
 178 #endif  // NDEBUG
 179
 180     // Appends a new-line to message if it doesn't end with one.
 181     if (!message.empty() && *message.rbegin() != '\n') {
 182       std::cout << "\n";
 183     }
 184     std::cout << "Stack trace:\n"
 185          << ::testing::internal::GetCurrentOsStackTraceExceptTop(
 186              ::testing::UnitTest::GetInstance(), actual_to_skip);
 187   }
 188   std::cout << ::std::flush;
 189 }
 190
 191 GTEST_API_ WithoutMatchers GetWithoutMatchers() { return WithoutMatchers(); }
 192
 193 GTEST_API_ void IllegalDoDefault(const char* file, int line) {
 194   internal::Assert(
 195       false, file, line,
 196       "You are using DoDefault() inside a composite action like "
 197       "DoAll() or WithArgs().  This is not supported for technical "
 198       "reasons.  Please instead spell out the default action, or "
 199       "assign the default action to an Action variable and use "
 200       "the variable in various places.");
 201 }
 202
 203 }  // namespace internal
 204 }  // namespace testing