text: // Copyright 2011 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 A simple dummy class for representing message ports in tests.
   *
   */
  
  goog.provide('goog.testing.messaging.MockMessagePort');
  
  goog.require('goog.events.EventTarget');
  
  
  
  /**
   * Class for unit-testing code that uses MessagePorts.
   * @param {*} id An opaque identifier, used because message ports otherwise have
   *     no distinguishing characteristics.
   * @param {goog.testing.MockControl} mockControl The mock control used to create
   *     the method mock for #postMessage.
   * @constructor
   * @extends {goog.events.EventTarget}
   */
  goog.testing.messaging.MockMessagePort = function(id, mockControl) {
    goog.base(this);
  
    /**
     * An opaque identifier, used because message ports otherwise have no
     * distinguishing characteristics.
     * @type {*}
     */
    this.id = id;
  
    /**
     * Whether or not the port has been started.
     * @type {boolean}
     */
    this.started = false;
  
    /**
     * Whether or not the port has been closed.
     * @type {boolean}
     */
    this.closed = false;
  
    mockControl.createMethodMock(this, 'postMessage');
  };
  goog.inherits(goog.testing.messaging.MockMessagePort, goog.events.EventTarget);
  
  
  /**
   * A mock postMessage funciton. Actually an instance of
   * {@link goog.testing.FunctionMock}.
   * @param {*} message The message to send.
   * @param {Array.<MessagePort>=} opt_ports Ports to send with the message.
   */
  goog.testing.messaging.MockMessagePort.prototype.postMessage = function(
      message, opt_ports) {};
  
  
  /**
   * Starts the port.
   */
  goog.testing.messaging.MockMessagePort.prototype.start = function() {
    this.started = true;
  };
  
  
  /**
   * Closes the port.
   */
  goog.testing.messaging.MockMessagePort.prototype.close = function() {
    this.closed = true;
  };
  