void UnitTest::AddTestPartResult()

in ext/gtest-1.8.0/googletest/src/gtest.cc [4108:4168]
42 lines of code
10 McCabe index (conditional complexity)

void UnitTest::AddTestPartResult(
    TestPartResult::Type result_type,
    const char* file_name,
    int line_number,
    const std::string& message,
    const std::string& os_stack_trace) GTEST_LOCK_EXCLUDED_(mutex_) {
  Message msg;
  msg << message;

  internal::MutexLock lock(&mutex_);
  if (impl_->gtest_trace_stack().size() > 0) {
    msg << "\n" << GTEST_NAME_ << " trace:";

    for (int i = static_cast<int>(impl_->gtest_trace_stack().size());
         i > 0; --i) {
      const internal::TraceInfo& trace = impl_->gtest_trace_stack()[i - 1];
      msg << "\n" << internal::FormatFileLocation(trace.file, trace.line)
          << " " << trace.message;
    }
  }

  if (os_stack_trace.c_str() != NULL && !os_stack_trace.empty()) {
    msg << internal::kStackTraceMarker << os_stack_trace;
  }

  const TestPartResult result =
    TestPartResult(result_type, file_name, line_number,
                   msg.GetString().c_str());
  impl_->GetTestPartResultReporterForCurrentThread()->
      ReportTestPartResult(result);

  if (result_type != TestPartResult::kSuccess) {
    // gtest_break_on_failure takes precedence over
    // gtest_throw_on_failure.  This allows a user to set the latter
    // in the code (perhaps in order to use Google Test assertions
    // with another testing framework) and specify the former on the
    // command line for debugging.
    if (GTEST_FLAG(break_on_failure)) {
#if GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_PHONE && !GTEST_OS_WINDOWS_RT
      // Using DebugBreak on Windows allows gtest to still break into a debugger
      // when a failure happens and both the --gtest_break_on_failure and
      // the --gtest_catch_exceptions flags are specified.
      DebugBreak();
#else
      // Dereference NULL through a volatile pointer to prevent the compiler
      // from removing. We use this rather than abort() or __builtin_trap() for
      // portability: Symbian doesn't implement abort() well, and some debuggers
      // don't correctly trap abort().
      *static_cast<volatile int*>(NULL) = 1;
#endif  // GTEST_OS_WINDOWS
    } else if (GTEST_FLAG(throw_on_failure)) {
#if GTEST_HAS_EXCEPTIONS
      throw internal::GoogleTestFailureException(result);
#else
      // We cannot call abort() as it generates a pop-up in debug mode
      // that cannot be suppressed in VC 7.1 or below.
      exit(1);
#endif
    }
  }
}