Asynchronous Event Testing
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<title>Asynchronous Event Testing</title>
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<h1>Asynchronous Event Testing</h1>
<div class="exampleIntro">
<p>This example shows how to create an asynchronous test with the YUI Test framework for testing browser-based JavaScript code.
A <a href="/yui/yuitest/#testcase"><code>TestCase</code></a> object is created to test the
<a href="/yui/docs/YAHOO.util.Anim.html"><code>Anim</code></a> object. The test waits until the animation is complete
before checking the settings of the animated element.</p>
</div>
<!--BEGIN SOURCE CODE FOR EXAMPLE -->
<div id="testLogger"></div>
<div id="testDiv" style="position:absolute;width:10px;height:10px"></div>
<script type="text/javascript">
YAHOO.namespace("example.yuitest");
YAHOO.example.yuitest.AsyncTestCase = new YAHOO.tool.TestCase({
//name of the test case - if not provided, one is auto-generated
name : "Animation Tests",
//---------------------------------------------------------------------
// Test methods - names must begin with "test"
//---------------------------------------------------------------------
testAnimation : function (){
var Assert = YAHOO.util.Assert;
var YUD = YAHOO.util.Dom;
//animate width to 400px
var myAnim = new YAHOO.util.Anim('testDiv', { width: { to: 400 } }, 3, YAHOO.util.Easing.easeOut);
//assign oncomplete handler
myAnim.onComplete.subscribe(function(){
//tell the TestRunner to resume
this.resume(function(){
Assert.areEqual(YUD.get("testDiv").offsetWidth, 400, "Width of the DIV should be 400.");
});
}, this, true);
//start the animation
myAnim.animate();
//wait until something happens
this.wait();
}
});
YAHOO.util.Event.onDOMReady(function (){
//create the logger
var logger = new YAHOO.tool.TestLogger("testLogger");
YAHOO.tool.TestRunner.add(YAHOO.example.yuitest.AsyncTestCase);
//run the tests
YAHOO.tool.TestRunner.run();
});
</script>
<!--END SOURCE CODE FOR EXAMPLE -->
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