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<!DOCTYPE html>
<html>
<!--
Copyright 2009 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.events.actionEventWrapper</title>
<script src="../base.js"></script>
<script>
goog.require('goog.events');
goog.require('goog.events.EventHandler');
goog.require('goog.events.actionEventWrapper');
goog.require('goog.testing.events');
goog.require('goog.testing.jsunit');
</script>
</head>
<body>
<div id="a" tabindex="0"></div>
<script>
var a = document.getElementById('a');
var eh, events;
function setUp() {
events = [];
eh = new goog.events.EventHandler();
}
function tearDown() {
eh.dispose();
}
var Foo = function() {};
Foo.prototype.test = function(e) {
events.push(e);
};
function testAddActionListener() {
assertEquals('No listeners registered yet', 0,
goog.object.getCount(goog.events.listeners_));
var listener = function(e) { events.push(e); }
goog.events.listenWithWrapper(a, goog.events.actionEventWrapper, listener);
assertEquals('2 listeners should be registered', 2,
goog.object.getCount(goog.events.listeners_));
goog.testing.events.fireClickSequence(a);
assertEquals('1 event should have been dispatched', 1, events.length);
assertEquals('Should be an click event', 'click', events[0].type)
goog.testing.events.fireKeySequence(a, goog.events.KeyCodes.ENTER);
assertEquals('2 events should have been dispatched', 2, events.length);
assertEquals('Should be an keypress event', 'keypress', events[1].type)
goog.testing.events.fireKeySequence(a, goog.events.KeyCodes.SPACE);
assertEquals('2 events should have been dispatched', 2, events.length);
goog.testing.events.fireKeySequence(a, goog.events.KeyCodes.ESC);
assertEquals('2 events should have been dispatched', 2, events.length);
goog.events.unlistenWithWrapper(a, goog.events.actionEventWrapper,
listener);
assertEquals('no listeners should be registered', 0,
goog.object.getCount(goog.events.listeners_));
}
function testRemoveActionListener() {
assertEquals('No listeners registered yet', 0,
goog.object.getCount(goog.events.listeners_));
var listener1 = function(e) { events.push(e); };
var listener2 = function(e) { events.push({type: 'err'}); }
goog.events.listenWithWrapper(a, goog.events.actionEventWrapper, listener1);
assertEquals('2 listeners should be registered', 2,
goog.object.getCount(goog.events.listeners_));
goog.events.listenWithWrapper(a, goog.events.actionEventWrapper, listener2);
assertEquals('4 listeners should be registered', 4,
goog.object.getCount(goog.events.listeners_));
goog.testing.events.fireKeySequence(a, goog.events.KeyCodes.ENTER);
assertEquals('2 events should have been dispatched', 2, events.length);
assertEquals('Should be an keypress event', 'keypress', events[0].type);
assertEquals('Should be an err event', 'err', events[1].type);
goog.events.unlistenWithWrapper(a, goog.events.actionEventWrapper,
listener2);
assertEquals('2 listeners should be registered', 2,
goog.object.getCount(goog.events.listeners_));
events = [];
goog.testing.events.fireKeySequence(a, goog.events.KeyCodes.ENTER);
assertEquals('1 event should have been dispatched', 1, events.length);
assertEquals('Should be an keypress event', 'keypress', events[0].type);
goog.events.unlistenWithWrapper(a, goog.events.actionEventWrapper,
listener1);
assertEquals('0 listeners should be registered', 0,
goog.object.getCount(goog.events.listeners_));
}
function testEventHandlerActionListener() {
assertEquals('No listeners registered yet', 0,
goog.object.getCount(goog.events.listeners_));
var listener = function(e) { events.push(e); }
eh.listenWithWrapper(a, goog.events.actionEventWrapper, listener);
assertEquals('2 listeners should be registered', 2,
goog.object.getCount(goog.events.listeners_));
goog.testing.events.fireClickSequence(a);
assertEquals('1 event should have been dispatched', 1, events.length);
assertEquals('Should be an click event', 'click', events[0].type)
goog.testing.events.fireKeySequence(a, goog.events.KeyCodes.ENTER);
assertEquals('2 events should have been dispatched', 2, events.length);
assertEquals('Should be an keypress event', 'keypress', events[1].type)
goog.testing.events.fireKeySequence(a, goog.events.KeyCodes.SPACE);
assertEquals('2 events should have been dispatched', 2, events.length);
goog.testing.events.fireKeySequence(a, goog.events.KeyCodes.ESC);
assertEquals('2 events should have been dispatched', 2, events.length);
eh.unlistenWithWrapper(a, goog.events.actionEventWrapper,
listener);
assertEquals('no listeners should be registered', 0,
goog.object.getCount(goog.events.listeners_));
}
function testEventHandlerActionListenerWithScope() {
assertEquals('No listeners registered yet', 0,
goog.object.getCount(goog.events.listeners_));
var foo = new Foo();
var eh2 = new goog.events.EventHandler(foo);
eh2.listenWithWrapper(a, goog.events.actionEventWrapper, foo.test);
assertEquals('2 listeners should be registered', 2,
goog.object.getCount(goog.events.listeners_));
goog.testing.events.fireClickSequence(a);
assertEquals('1 event should have been dispatched', 1, events.length);
assertEquals('Should be an click event', 'click', events[0].type)
goog.testing.events.fireKeySequence(a, goog.events.KeyCodes.ENTER);
assertEquals('2 events should have been dispatched', 2, events.length);
assertEquals('Should be an keypress event', 'keypress', events[1].type)
goog.testing.events.fireKeySequence(a, goog.events.KeyCodes.SPACE);
assertEquals('2 events should have been dispatched', 2, events.length);
goog.testing.events.fireKeySequence(a, goog.events.KeyCodes.ESC);
assertEquals('2 events should have been dispatched', 2, events.length);
eh2.dispose();
assertEquals('no listeners should be registered', 0,
goog.object.getCount(goog.events.listeners_));
delete foo;
}
</script>
</body>
</html>
|
