text: // Copyright 2010 The Closure Library Authors. All Rights Reserved.
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //      http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS-IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  
  /**
   * @fileoverview Mock MessageChannel implementation that can receive fake
   * messages and test that the right messages are sent.
   *
   */
  
  
  goog.setTestOnly('goog.testing.messaging.MockMessageChannel');
  goog.provide('goog.testing.messaging.MockMessageChannel');
  
  goog.require('goog.messaging.AbstractChannel');
  goog.require('goog.testing.asserts');
  
  goog.forwardDeclare('goog.testing.MockControl');
  
  
  
  /**
   * Class for unit-testing code that communicates over a MessageChannel.
   * @param {goog.testing.MockControl} mockControl The mock control used to create
   *   the method mock for #send.
   * @extends {goog.messaging.AbstractChannel}
   * @constructor
   * @final
   */
  goog.testing.messaging.MockMessageChannel = function(mockControl) {
    goog.testing.messaging.MockMessageChannel.base(this, 'constructor');
  
    /**
     * Whether the channel has been disposed.
     * @type {boolean}
     */
    this.disposed = false;
  
    mockControl.createMethodMock(this, 'send');
  };
  goog.inherits(
      goog.testing.messaging.MockMessageChannel, goog.messaging.AbstractChannel);
  
  
  /**
   * A mock send function. Actually an instance of
   * {@link goog.testing.FunctionMock}.
   * @param {string} serviceName The name of the remote service to run.
   * @param {string|!Object} payload The payload to send to the remote page.
   * @override
   */
  goog.testing.messaging.MockMessageChannel.prototype.send = function(
      serviceName, payload) {};
  
  
  /**
   * Sets a flag indicating that this is disposed.
   * @override
   */
  goog.testing.messaging.MockMessageChannel.prototype.dispose = function() {
    this.disposed = true;
  };
  
  
  /**
   * Mocks the receipt of a message. Passes the payload the appropriate service.
   * @param {string} serviceName The service to run.
   * @param {string|!Object} payload The argument to pass to the service.
   */
  goog.testing.messaging.MockMessageChannel.prototype.receive = function(
      serviceName, payload) {
    this.deliver(serviceName, payload);
  };
  