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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=656283
+-->
+<head>
+ <title>Test for Bug 656283</title>
+ <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body onload="test()">
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=656283">Mozilla Bug 656283</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test">
+<script type="application/javascript">
+
+/** Test for Bug 656283 **/
+
+SimpleTest.waitForExplicitFinish();
+
+var ifr;
+function test() {
+ // First a test with data documents.
+ var d = document.implementation.createHTMLDocument("");
+ is(d.activeElement, d.body, "Active element should be body by default! (1)");
+
+
+ ifr = document.getElementById("ifr");
+ ifr.onload = test2;
+ ifr.src = "data:text/html,1";
+}
+
+var firstDoc;
+function test2() {
+ firstDoc = ifr.contentDocument;
+ is(firstDoc.activeElement, firstDoc.body,
+ "Active element should be body by default! (2)");
+ ifr.onload = test3;
+ ifr.src = "data:text/html,<input>";
+}
+
+function test3() {
+ ifr.contentDocument.getElementsByTagName("input")[0].focus();
+ is(firstDoc.activeElement, firstDoc.body,
+ "Active element should be body by default! (3)");
+ ifr.parentNode.removeChild(ifr);
+ is(firstDoc.activeElement, firstDoc.body,
+ "Active element should be body by default! (4)");
+ SimpleTest.finish();
+}
+
+</script>
+</pre>
+<iframe id="ifr"></irame>
+</body>
+</html>