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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=504220
-->
<head>
  <title>Test for Bug 504220</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body onload="run_test();">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=504220">Mozilla Bug 504220</a>
<p id="display"></p>
<div id="content">
  <iframe id="frame" style="height:100px; width:100px; border:0"></iframe>
  <div id="status" style="display: none"></div>
</div>
<pre id="test">
<script type="application/javascript;version=1.7">

/** Test for Bug 504220 **/

function run_test() {
  ok("onhashchange" in document.body,
     "document.body should contain 'onhashchange'.");

  ok("onhashchange" in window, "window should contain 'onhashchange'.");

  // window.onhashchange should mirror document.body.onhashchange.
  var func = function() { return 42; };
  document.body.onhashchange = func;
  is(window.onhashchange, func);

  // Likewise, document.body.hashchange should mirror window.onhashchange
  numEvents = 0;
  var func2 = function() { numEvents++; gGen.next() };
  window.onhashchange = func2;
  is(document.body.onhashchange, func2);

  SimpleTest.waitForExplicitFinish();

  function waitForHashchange() {
    // Change the document's hash.  If we've been running this test manually,
    // the hash might already be "#foo", so we need to check in order to be
    // sure we trigger a hashchange.
    if (location.hash != "#foo")
      location.hash = "#foo";
    else
      location.hash = "#bar";

    yield undefined;

    is(numEvents, 1, "Exactly one hashchange should have been fired.");
    SimpleTest.finish();
    yield undefined;
  }

  var gGen = waitForHashchange();
  gGen.next();
}

</script>
</pre>
</body>
</html>