<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=851485
-->
<head>
  <meta charset="utf-8">
  <title>Test for Bug 851485</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"/>
  <script type="application/javascript">

  /** Test for Bug 851485 **/

SimpleTest.waitForExplicitFinish();
SimpleTest.requestFlakyTimeout("untriaged");

function delayedVerifyScroll(win) {
  ok(win.scrollY > 3000);
  SimpleTest.finish();
}

function verifyScroll(event) {
  var win = event.target.defaultView;
  win.onscroll = "";
  setTimeout(function(){delayedVerifyScroll(win)},500)
}

function clickLink(link,win) {
  win.document.body.offsetHeight;
  synthesizeMouseAtCenter(link, {type: "mousedown"}, win);
  synthesizeMouseAtCenter(link, {type: "mouseup"}, win);
  sendMouseEvent({type: "click"}, link, win);
}

function verifyAfterLoad() {
  var e = document.getElementsByTagName('iframe')[0];
  var win = e.contentWindow;
  if (win.location.hash != '') {
    is(win.scrollY,500);
    var link = win.document.getElementsByTagName('a')[0];
    win.onscroll = verifyScroll;
    clickLink(link,win);
    return;
  }
}

function runTest() {
  var e = document.getElementsByTagName('iframe')[0];
  var win = e.contentWindow;
  if (win.location.hash != '') {
    return;
  }
  win.location.hash='#anchor'
  win.scrollTo(0,500);
  e.setAttribute("onload","verifyAfterLoad()");
  win.location.reload()
}


  </script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=851485">Mozilla Bug 851485</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>
<iframe src="file_bug842853.html"></iframe>
<script>

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