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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=486741
+-->
+<head>
+ <title>Test for Bug 486741</title>
+ <script type="application/javascript" src="/MochiKit/MochiKit.js"></script>
+ <script type="application/javascript" 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=486741">Mozilla Bug 486741</a>
+<p id="display"><iframe id="f"></iframe></p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test">
+<script type="application/javascript">
+
+/** Test for Bug 486741 **/
+SimpleTest.waitForExplicitFinish();
+addLoadEvent(function() {
+ var d = $("f").contentDocument;
+ var root = d.documentElement;
+ is(root.tagName, "HTML", "Unexpected root");
+
+ d.open();
+ isnot(d.documentElement, root, "Shouldn't have the old root element");
+
+ d.write("Test");
+ d.close();
+
+ isnot(d.documentElement, root, "Still shouldn't have the old root element");
+ is(d.documentElement.tagName, "HTML", "Unexpected new root after write");
+
+ SimpleTest.finish();
+});
+
+</script>
+</pre>
+</body>
+</html>