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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=572649
-->
<head>
  <title>Test for Bug 572649</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=572649">Mozilla Bug 572649</a>
<p id="display">
  <textarea id="area" rows="5">
  Here
  is
  some
  very
  long
  text
  that
  we're
  using
  for
  testing
  purposes
  </textarea>
</p>
<div id="content" style="display: none">
  
</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 572649 **/
SimpleTest.waitForExplicitFinish();

// We intermittently trigger two "Wrong parent ComputedStyle" assertions
// on B2G emulator builds (bug XXXXXXX).  The two frames that get incorrect
// ComputedStyle parents are scroll bar parts in the <textarea>.
SimpleTest.expectAssertions(0, 2);

addLoadEvent(function() {
  var area = document.getElementById("area");

  is(area.scrollTop, 0, "The textarea should not be scrolled initially");
  area.addEventListener("focus", function() {
    setTimeout(function() {
      is(area.scrollTop, 0, "The textarea's insertion point should not be scrolled into view");

      SimpleTest.finish();
    }, 0);
  }, {once: true});
  setTimeout(function() {
    var rect = area.getBoundingClientRect();
    synthesizeMouse(area, rect.width - 5, 5, {});
  }, 0);
});
</script>
</pre>
</body>
</html>