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Test Info:

<!DOCTYPE HTML>
<html>
<!--
-->
<head>
<meta charset="utf-8">
<title>Test for Bug 869040</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=869040">Mozilla Bug 869040</a>
<p id="display"></p>
<div id="content" style="display: none" data-foo="present1" data-bar="present2">
</div>
<pre id="test">
</pre>
<script type="application/javascript">
/** Test for Bug 869040 **/
var foo = "default1";
var dataset = $("content").dataset;
for (var i = 0; i < 100000; ++i)
foo = dataset.foo;
var bar = "default2";
for (var j = 0; j < 100; ++j)
bar = dataset.bar;
is(foo, "present1", "Our IC should work");
is(bar, "present2", "Our non-IC case should work");
</script>
</body>
</html>