gecko/dom/bindings/test/test_treat_non_object_as_null.html

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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=952365
-->
<head>
<meta charset="utf-8">
<title>Test for Bug 952365</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<script type="application/javascript">
/** Test for Bug 952365 **/
var onvolumechange;
var x = {};
(function() {
onvolumechange = x;
ise(onvolumechange, x,
"Should preserve an object value when assigning to event handler");
// Test that we don't try to actually call the non-callable object
window.dispatchEvent(new Event("volumechange"));
onvolumechange = 5;
ise(onvolumechange, null,
"Non-object values should become null when assigning to event handler");
})();
</script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=952365">Mozilla Bug 952365</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>
</body>
</html>