<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=664916
-->
<head>
  <title>Test for Bug 664916</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=664916">Mozilla Bug 664916</a>
<p id="display"></p>
<div id="content" style="display: none">
  
</div>
<pre id="test">
<script type="application/javascript">


/** Test for Bug 664916 **/
var div = document.createElement("div");
var textNode = document.createTextNode("x")
var tagNameGetter = div.__lookupGetter__("tagName");

var tagName = "";
try {
  tagName = tagNameGetter.call(textNode);
  ok(false, "Should throw when calling tagname getter on text node");
} catch(e) {
  ok(true, "Should throw when calling tagname getter on text node");
}
is(tagName, "", "Should not have changed tagName yet");
tagName = tagNameGetter.call(div);
is(tagName, "DIV", "Should get the right tag name");
</script>
</pre>
</body>
</html>
