<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=339494
-->
<head>
    <meta charset="utf-8">
    <script src="../../../../resources/js-test-pre.js"></script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=339494">Mozilla Bug 339494</a>
<p id="display"></p>
<div id="content" style="display: none">
  <div id="d"></div>
  <div id="s"></div>
</div>
<pre id="test">
<script class="testbody" type="text/javascript">

  /** Test for Bug 339494 **/

  var d = document.getElementById("d");
  
  d.setAttribute("hhh", "testvalue");

  document.addEventListener("DOMAttrModified", removeItAgain, false);
  d.removeAttribute("hhh");
  document.removeEventListener("DOMAttrModified", removeItAgain, false);

  function removeItAgain()
  {
    shouldBeTrue('!d.hasAttribute("hhh")');
    shouldNotBeEqualToString('d.getAttribute("hhh")', "testvalue");
    document.removeEventListener("DOMAttrModified", removeItAgain, false);
    d.removeAttribute("hhh");
  }
  
  var s = document.getElementById("s");
  
  s.setAttribute("ggg", "testvalue");

  document.addEventListener("DOMAttrModified", compareVal, false);
  s.setAttribute("ggg", "othervalue");
  document.removeEventListener("DOMAttrModified", compareVal, false);

  function compareVal()
  {
    shouldBeTrue('s.hasAttribute("ggg")');
    shouldNotBeEqualToString('s.getAttribute("ggg")', "testvalue");
    shouldBeEqualToString('s.getAttribute("ggg")', "othervalue");
  }

</script>
</pre>
<script src="../../../../resources/js-test-post.js"></script>
</body>
</html>