text: /**
   * Copyright 2016 Google Inc. 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.
   */
  
  import {assert} from 'chai';
  import td from 'testdouble';
  
  import {setupFoundationTest} from '../helpers/setup';
  import {verifyDefaultAdapter} from '../helpers/foundation';
  import MDCPersistentDrawerFoundation from '../../../packages/mdc-drawer/persistent/foundation';
  import {cssClasses, strings} from '../../../packages/mdc-drawer/persistent/constants';
  
  function setupTest() {
    const {foundation, mockAdapter} = setupFoundationTest(MDCPersistentDrawerFoundation);
    td.when(mockAdapter.hasClass('mdc-drawer--persistent')).thenReturn(true);
    td.when(mockAdapter.hasNecessaryDom()).thenReturn(true);
    return {foundation, mockAdapter};
  }
  
  suite('MDCPersistentDrawerFoundation');
  
  test('exports strings', () => {
    assert.deepEqual(MDCPersistentDrawerFoundation.strings, strings);
  });
  
  test('exports cssClasses', () => {
    assert.deepEqual(MDCPersistentDrawerFoundation.cssClasses, cssClasses);
  });
  
  test('defaultAdapter returns a complete adapter implementation', () => {
    verifyDefaultAdapter(MDCPersistentDrawerFoundation, [
      'addClass', 'removeClass', 'hasClass', 'hasNecessaryDom', 'registerInteractionHandler',
      'deregisterInteractionHandler', 'registerDrawerInteractionHandler', 'deregisterDrawerInteractionHandler',
      'registerTransitionEndHandler', 'deregisterTransitionEndHandler', 'registerDocumentKeydownHandler',
      'deregisterDocumentKeydownHandler', 'setTranslateX', 'getFocusableElements',
      'saveElementTabState', 'restoreElementTabState', 'makeElementUntabbable',
      'notifyOpen', 'notifyClose', 'isRtl', 'getDrawerWidth', 'isDrawer',
    ]);
  });
  
  test('#isRootTransitioningEventTarget_ returns true if the element is the drawer element', () => {
    const {foundation, mockAdapter} = setupTest();
  
    foundation.init();
    const fakeEl = 'fake element';
    td.when(mockAdapter.isDrawer(fakeEl)).thenReturn(true);
    assert.isTrue(foundation.isRootTransitioningEventTarget_(fakeEl));
  });
  