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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;
  var win = ifr.contentWindow;

  var walker = doc.createTreeWalker(doc.body);
  pass = pass && (walker.root === doc.body);
  walker.foo = "expando";

  win.bar = "another-expando";

  // First, do the document.domain operation. This shouldn't crash.
  document.domain = "example.org";

  // Now make sure we can still access properties on "walker".
  try {
    walker.root;
    pass = pass && walker.foo == "expando";
  } catch (e) {
    pass = false;
  }

  // And make sure we can't access properties on "win", because the
  // document.domain change revoked the access.
  try {
    win.bar;
    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>