PPAPI: Add more error testing for postMessageAndAwaitResponse

ppapi/tests/testing_instance.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ppapi/tests/testing_instance.h"
 
 #include <algorithm>
 #include <cstring>
 #include <iomanip>
 #include <sstream>
@@ skipping 106 matching lines @@
 }
 
 void TestingInstance::SetCookie(const std::string& name,
                                 const std::string& value) {
   SendTestCommand("SetCookie", name + "=" + value);
 }
 
 void TestingInstance::LogTest(const std::string& test_name,
                               const std::string& error_message,
                               PP_TimeTicks start_time) {
+  current_test_name_ = test_name;
+
   // Compute the time to run the test and save it in a string for logging:
   PP_TimeTicks end_time(pp::Module::Get()->core()->GetTimeTicks());
   std::ostringstream number_stream;
   PP_TimeTicks elapsed_time(end_time - start_time);
   number_stream << std::fixed << std::setprecision(3) << elapsed_time;
   std::string time_string(number_stream.str());
 
   // Tell the browser we're still working.
   ReportProgress(kProgressSignal);
 
@@ skipping 20 matching lines @@
 
   html.append("</div>");
   LogHTML(html);
 
   std::string test_time;
   test_time.append(test_name);
   test_time.append(" finished in ");
   test_time.append(time_string);
   test_time.append(" seconds.");
   LogTestTime(test_time);
+
+  current_test_name_.clear();
 }
 
 void TestingInstance::AppendError(const std::string& message) {
   if (!errors_.empty())
     errors_.append(", ");
   errors_.append(message);
 }
 
 void TestingInstance::ExecuteTests(int32_t unused) {
   ReportProgress(kProgressSignal);
@@ skipping 141 matching lines @@
   }
 };
 
 namespace pp {
 
 Module* CreateModule() {
   return new ::Module();
 }
 
 }  // namespace pp