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// Copyright (c) 2013 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.
'use strict';
base.require('base.properties');
base.require('ui');
base.unittest.testSuite('base.properties', function() {
test('defineProperties', function() {
var stateChanges = [];
var ASpan = ui.define('span');
ASpan.prototype = {
__proto__: HTMLSpanElement.prototype,
jsProp_: [],
decorate: function() {
this.prop_ = false;
this.addEventListener('propChange', function(event) {
stateChanges.push('Internal ' + event.oldValue +
' to ' + event.newValue);
}, true);
},
get prop() {
return this.prop_;
},
set prop(newValue) {
base.setPropertyAndDispatchChange(this, 'prop', newValue);
}
};
var aSpan = new ASpan();
aSpan.addEventListener('propChange', function(event) {
stateChanges.push(event.oldValue + ' to ' + event.newValue);
});
assertFalse(aSpan.prop);
aSpan.prop = true;
assertTrue(aSpan.prop);
assertTrue(stateChanges.length === 2);
assertTrue(stateChanges[0] === 'Internal false to true');
assertTrue(stateChanges[1] === 'false to true');
aSpan.prop = false;
assertFalse(aSpan.prop);
assertTrue(stateChanges[3] === 'true to false');
});
});
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