|  | <!DOCTYPE html> | 
|  | <!-- | 
|  | @license | 
|  | Copyright (C) 2017 The Android Open Source Project | 
|  |  | 
|  | 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. | 
|  | --> | 
|  |  | 
|  | <meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes"> | 
|  | <title>gr-event-helper</title> | 
|  | <script src="/test/common-test-setup.js"></script> | 
|  | <script src="/bower_components/webcomponentsjs/custom-elements-es5-adapter.js"></script> | 
|  |  | 
|  | <script src="/bower_components/webcomponentsjs/webcomponents-lite.js"></script> | 
|  | <script src="/bower_components/web-component-tester/browser.js"></script> | 
|  | <link rel="import" href="../../../test/common-test-setup.html"/> | 
|  | <link rel="import" href="gr-event-helper.html"/> | 
|  |  | 
|  | <script>void(0);</script> | 
|  |  | 
|  | <dom-element id="some-element"> | 
|  | <script> | 
|  | Polymer({ | 
|  | is: 'some-element', | 
|  | _legacyUndefinedCheck: true, | 
|  |  | 
|  | properties: { | 
|  | fooBar: { | 
|  | type: Object, | 
|  | notify: true, | 
|  | }, | 
|  | }, | 
|  |  | 
|  | behaviors: [ | 
|  | Gerrit.FireBehavior, | 
|  | ], | 
|  | }); | 
|  | </script> | 
|  | </dom-element> | 
|  |  | 
|  | <test-fixture id="basic"> | 
|  | <template> | 
|  | <some-element></some-element> | 
|  | </template> | 
|  | </test-fixture> | 
|  |  | 
|  | <script> | 
|  | suite('gr-event-helper tests', () => { | 
|  | let element; | 
|  | let instance; | 
|  | let sandbox; | 
|  |  | 
|  | setup(() => { | 
|  | sandbox = sinon.sandbox.create(); | 
|  | element = fixture('basic'); | 
|  | instance = new GrEventHelper(element); | 
|  | }); | 
|  |  | 
|  | teardown(() => { | 
|  | sandbox.restore(); | 
|  | }); | 
|  |  | 
|  | test('onTap()', done => { | 
|  | instance.onTap(() => { | 
|  | done(); | 
|  | }); | 
|  | element.fire('tap'); | 
|  | }); | 
|  |  | 
|  | test('onTap() cancel', () => { | 
|  | const tapStub = sandbox.stub(); | 
|  | element.parentElement.addEventListener('tap', tapStub); | 
|  | instance.onTap(() => false); | 
|  | element.fire('tap'); | 
|  | flushAsynchronousOperations(); | 
|  | assert.isFalse(tapStub.called); | 
|  | }); | 
|  |  | 
|  | test('captureTap()', done => { | 
|  | instance.captureTap(() => { | 
|  | done(); | 
|  | }); | 
|  | element.fire('tap'); | 
|  | }); | 
|  |  | 
|  | test('captureTap() cancels tap()', () => { | 
|  | const tapStub = sandbox.stub(); | 
|  | element.addEventListener('tap', tapStub); | 
|  | instance.captureTap(() => false); | 
|  | element.fire('tap'); | 
|  | flushAsynchronousOperations(); | 
|  | assert.isFalse(tapStub.called); | 
|  | }); | 
|  |  | 
|  | test('on()', done => { | 
|  | instance.on('foo', () => { | 
|  | done(); | 
|  | }); | 
|  | element.fire('foo'); | 
|  | }); | 
|  | }); | 
|  | </script> |