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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=789713
-->
<head>
<meta charset="utf-8">
</head>
<body>
<script type="application/javascript">
/** Test for Bug 789713 **/
function go() {
var ifr = document.getElementById('ifr');
var pass = true;
var doc = ifr.contentDocument;
// Tree walkers use nsDOMGenericSH, which has a spineless PreCreate.
var walker = doc.createTreeWalker(doc.body);
pass = pass && (walker.root === doc.body);
// Grab a reference to Object.prototype to make sure we test the machinery
// with respect to standard prototype remapping.
var objProto = ifr.contentWindow.Object.prototype;
// First, do the document.domain operation. This shouldn't crash.
document.domain = "example.org";
// Now, make sure that we still can't access cross-origin properties despite
// the fact that the WN is shared under the hood.
try {
walker.root;
pass = false;
} catch (e) { pass = pass && /Permission denied/.exec(e.message); }
window.parent.postMessage(pass, '*');
}
</script>
<iframe id="ifr" src="file_empty.html" onload="go()"></iframe>
</pre>
</body>
</html>
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