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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=231389
-->
<head>
  <title>Test for Bug 231389</title>
  <script src="/tests/SimpleTest/SimpleTest.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=231389">Mozilla Bug 231389</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 231389 **/
SimpleTest.waitForExplicitFinish();
addLoadEvent(function() {
  var area = document.getElementById("area");
  var val = area.value;
  var pos = val.indexOf("purposes");

  is(area.scrollTop, 0, "The textarea should not be scrolled initially");
  area.selectionStart = pos;
  area.selectionEnd = pos;
  requestAnimationFrame(function() {
    isnot(area.scrollTop, 0, "The textarea's insertion point should be scrolled into view");

    SimpleTest.finish();
  });
});

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