<!DOCTYPE HTML>
<script>
 var t = opener.t;

 var do_test = t.step_func(function() {
   localStorage.test6564729 += '1';
   var d = document;
   var e = document.open(); // unload triggered here - beforeunload 2, 3 in 002b; pagehide 4, unload 5, pagehide 6 in 002b, unload 7 in 002b
   localStorage.test6564729 += (e == d) ? '8' : 'X';
   var s = 'FAIL if you see this | ' + localStorage.test6564729;
   document.write(s);
   localStorage.test6564729 += document.body.textContent == s ? '9' : 'x';
   document.close();
   localStorage.test6564729 += 'Z';
   document.body.textContent += ' // ' + localStorage.test6564729;
   location = '002a.html'; // unload triggers again here, but they're not registered event listeners any more
 });

onload = t.step_func(function() {
  localStorage.test6564729 = '0';
  setTimeout(function() {document.getElementsByTagName("input")[0].click()}, 100);
});
</script>
<body onbeforeunload="localStorage.test6564729 += '2'"
      onpagehide="localStorage.test6564729 += '4'"
      onunload="localStorage.test6564729 += '5'">
<input type=button value="Activate this button to run the test" onclick="do_test()">
<p><iframe src="002b.html"></iframe>