text: // Copyright 2008 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 LooseMock of goog.dom.AbstractRange.
   *
   */
  
  goog.setTestOnly('goog.testing.MockRange');
  goog.provide('goog.testing.MockRange');
  
  goog.require('goog.dom.AbstractRange');
  goog.require('goog.testing.LooseMock');
  
  
  
  /**
   * LooseMock of goog.dom.AbstractRange. Useful because the mock framework cannot
   * simply create a mock out of an abstract class, and cannot create a mock out
   * of classes that implements __iterator__ because it relies on the default
   * behavior of iterating through all of an object's properties.
   * @constructor
   * @extends {goog.testing.LooseMock}
   * @final
   */
  goog.testing.MockRange = function() {
    goog.testing.LooseMock.call(this, goog.testing.MockRange.ConcreteRange_);
  };
  goog.inherits(goog.testing.MockRange, goog.testing.LooseMock);
  
  
  // *** Private helper class ************************************************* //
  
  
  
  /**
   * Concrete subclass of goog.dom.AbstractRange that simply sets the abstract
   * method __iterator__ to undefined so that javascript defaults to iterating
   * through all of the object's properties.
   * @constructor
   * @extends {goog.dom.AbstractRange}
   * @private
   */
  goog.testing.MockRange.ConcreteRange_ = function() {
    goog.dom.AbstractRange.call(this);
  };
  goog.inherits(goog.testing.MockRange.ConcreteRange_, goog.dom.AbstractRange);
  
  
  /**
   * Undefine the iterator so the mock framework can loop through this class'
   * properties.
   * @override
   */
  goog.testing.MockRange.ConcreteRange_.prototype.__iterator__ =
      // This isn't really type-safe.
      /** @type {?} */ (undefined);
  