A proposal for an initial postMessage interface. This will allow JavaScript ...

ppapi/tests/test_post_message.h

+// Copyright (c) 2010 The Chromium Authors. All rights reserved.

[polina, 2011/03/17 02:59:28]

2011

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PPAPI_TESTS_TEST_POST_MESSAGE_H_
+#define PPAPI_TESTS_TEST_POST_MESSAGE_H_
+
+#include <string>
+#include <vector>
+
+#include "ppapi/tests/test_case.h"
+
+struct PPB_Testing_Dev;
+
+class TestPostMessage : public TestCase {
+ public:
+  explicit TestPostMessage(TestingInstance* instance)
+      : TestCase(instance), testing_interface_(NULL) {}
+
+ private:
+  // TestCase implementation.
+  virtual bool Init();
+  virtual void RunTest();
+
+  // A handler for JS->Native calls to postMessage.  Simply pushes
+  // the given value to the back of message_data_
+  virtual void HandleMessage(const pp::Var& message_data);
+
+  // Set the JavaScript onmessage handler to echo back some expression based on
+  // the message_event by passing it to postMessage.  Returns true on success,
+  // false on failure.
+  bool MakeOnMessageEcho(const std::string& expression);
+
+  // Test some basic functionality;  make sure we can send data successfully
+  // in both directions.
+  std::string TestSendingData();
+
+  // Test the MessageEvent object that JavaScript received to make sure it is
+  // of the right type and has all the expected fields.
+  std::string TestMessageEvent();
+
+  // Test sending a message when no handler exists, make sure nothing happens.
+  std::string TestNoHandler();
+
+  const PPB_Testing_Dev* testing_interface_;
+
+  // This is used to store pp::Var objects we receive via a call to
+  // HandleMessage.
+  std::vector<pp::Var> message_data_;
+};
+
+#endif  // PPAPI_TESTS_TEST_POST_MESSAGE_H_
+