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Test Info:

<!DOCTYPE HTML>
<html>
<!--
-->
<head>
<title>Test for Bug 517224</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<script type="application/ecmascript" src="bug517224.sjs?reset"></script>
<style type="text/css">
p#display { background: url(bug517224.sjs?image); }
p#display { background-image: none; }
</style>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=517224">Mozilla Bug 517224</a>
<p id="display">Element with overridden background</p>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 517224 **/
// Test that we don't load background images for style rules that are
// always overridden.
// Make sure the style has been computed
var bi =
getComputedStyle(document.getElementById('display'), "").backgroundImage;
SimpleTest.waitForExplicitFinish();
window.onload = run;
function run()
{
var script = document.createElement("script");
script.setAttribute("src", "bug517224.sjs?result");
document.body.appendChild(script);
}
</script>
</pre>
</body>
</html>