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<!doctype html>
<title>Running beforeunload handler in window.close()</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
var t = async_test();
var w = window.open("close_beforeunload-1.html");
onmessage = t.step_func(function(event) {
  if (event.data != "loaded") {
    return;
  }
  w.close();
});
callback = function() {t.done()}
</script>