| <!DOCTYPE html> |
| <!-- |
| Copyright (c) 2014 The Chromium Authors. All rights reserved. |
| Use of this source code is governed by a BSD-style license that can be |
| found in the LICENSE file. |
| --> |
| <link rel="import" href="/base/event_target.html"> |
| <link rel="import" href="/base/event.html"> |
| <script> |
| 'use strict'; |
| |
| tr.b.unittest.testSuite(function() { |
| test('eventTargetHelper', function() { |
| var listenerCallCount = 0; |
| function listener() { listenerCallCount++; } |
| |
| var div = new tr.b.EventTarget(); |
| tr.b.EventTargetHelper.decorate(div); |
| |
| assert.isFalse(div.hasEventListener('foo')); |
| |
| div.addEventListener('foo', listener); |
| assert.isTrue(div.hasEventListener('foo')); |
| |
| tr.b.dispatchSimpleEvent(div, 'foo'); |
| assert.equal(listenerCallCount, 1); |
| |
| div.removeEventListener('foo', listener); |
| |
| tr.b.dispatchSimpleEvent(div, 'foo'); |
| assert.equal(listenerCallCount, 1); |
| |
| assert.isFalse(div.hasEventListener('foo')); |
| }); |
| }); |
| </script> |
