1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 'use strict'; 6 7 base.require('base.properties'); 8 base.require('ui'); 9 10 base.unittest.testSuite('base.properties', function() { 11 test('defineProperties', function() { 12 var stateChanges = []; 13 14 var ASpan = ui.define('span'); 15 ASpan.prototype = { 16 __proto__: HTMLSpanElement.prototype, 17 18 jsProp_: [], 19 20 decorate: function() { 21 this.prop_ = false; 22 this.addEventListener('propChange', function(event) { 23 stateChanges.push('Internal ' + event.oldValue + 24 ' to ' + event.newValue); 25 }, true); 26 }, 27 28 get prop() { 29 return this.prop_; 30 }, 31 32 set prop(newValue) { 33 base.setPropertyAndDispatchChange(this, 'prop', newValue); 34 } 35 }; 36 37 var aSpan = new ASpan(); 38 39 aSpan.addEventListener('propChange', function(event) { 40 stateChanges.push(event.oldValue + ' to ' + event.newValue); 41 }); 42 43 assertFalse(aSpan.prop); 44 45 aSpan.prop = true; 46 assertTrue(aSpan.prop); 47 assertTrue(stateChanges.length === 2); 48 assertTrue(stateChanges[0] === 'Internal false to true'); 49 assertTrue(stateChanges[1] === 'false to true'); 50 51 aSpan.prop = false; 52 assertFalse(aSpan.prop); 53 assertTrue(stateChanges[3] === 'true to false'); 54 }); 55 }); 56
