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Test Info:

<!DOCTYPE HTML>
<html>
<!--
-->
<head>
<title>Test for Bug 602130</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.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=602130">Mozilla Bug 602130</a>
<p id="display"></p>
<div id="content">
</div>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 602130 **/
SimpleTest.waitForExplicitFinish();
addLoadEvent(function() {
var i = document.createElement("input");
document.body.appendChild(i);
i.select();
i.focus();
is(SpecialPowers.wrap(i).editor.transactionManager.numberOfUndoItems, 0,
"The number of undo items should be 0 after initing the editor");
i.style.display = "none";
document.offsetWidth;
i.style.display = "";
document.offsetWidth;
i.select();
i.focus();
is(SpecialPowers.wrap(i).editor.transactionManager.numberOfUndoItems, 0,
"The number of undo items should be 0 after re-initing the editor");
SimpleTest.finish();
});
</script>
</pre>
</body>
</html>