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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=812744
-->
<head>
  <meta charset="utf-8">
  <title>Test for Bug 812744</title>
  <script type="application/javascript" 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=812744">Mozilla Bug 812744</a>
<p id="display"></p>
<div id="content" style="display: none">
<iframe id="f"></iframe>
</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 812744 **/
SimpleTest.waitForExplicitFinish();

addLoadEvent(function() {
  var f = $("f");
  var el = f.contentDocument.documentElement;
  f.onload = function() {
    el.setAttribute("onmouseleave", "(void 0)");
    is(el.onmouseleave.toString(), "function onmouseleave(event) {\n(void 0)\n}",
       "Should have a function here");
    SimpleTest.finish();
  };
  f.src = "http://www.example.com/"
});
</script>
</pre>
</body>
</html>