PPAPI: Add more error testing for postMessageAndAwaitResponse

ppapi/tests/testing_instance.h

 // 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.
 
 #ifndef PPAPI_TESTS_TESTING_INSTANCE_H_
 #define PPAPI_TESTS_TESTING_INSTANCE_H_
 
 #include <string>
 
 #include "ppapi/utility/completion_callback_factory.h"
@@ skipping 69 matching lines @@
   //       return "Something horrible happened";
   //     return "";
   //   }
   //
   // NOTE: It's important to get the start time in the previous line, rather
   //       than calling GetTimeTicks in the LogTestLine. There's no guarantee
   //       that GetTimeTicks will be evaluated before FooTest().
   void LogTest(const std::string& test_name,
                const std::string& error_message,
                PP_TimeTicks start_time);
+  const std::string& current_test_name() { return current_test_name_; }
 
   // Appends an error message to the log.
   void AppendError(const std::string& message);
 
   // Passes the message_data through to the HandleMessage method on the
   // TestClass object that's associated with this instance.
   virtual void HandleMessage(const pp::Var& message_data);
 
   const std::string& protocol() {
     return protocol_;
@@ skipping 43 matching lines @@
   void LogError(const std::string& text);
 
   // Appends the given HTML string to the console in the document.
   void LogHTML(const std::string& html);
 
   pp::CompletionCallbackFactory<TestingInstance> callback_factory_;
 
   // Owning pointer to the current test case. Valid after Init has been called.
   TestCase* current_case_;
 
+  std::string current_test_name_;
+
   // A filter to use when running tests. This is passed to 'RunTests', which
   // runs only tests whose name contains test_filter_ as a substring.
   std::string test_filter_;
 
   // Set once the tests are run so we know not to re-run when the view is sized.
   bool executed_tests_;
 
   // The number of tests executed so far.
   int32_t number_tests_executed_;
 
@@ skipping 16 matching lines @@
   // WebSocket port.
   int websocket_port_;
 
   // At the end of each set of tests, the plugin is removed from the web-page.
   // However, for some tests, it is desirable to not remove the plguin from the
   // page.
   bool remove_plugin_;
 };
 
 #endif  // PPAPI_TESTS_TESTING_INSTANCE_H_