test_cannot_undo_after_reinitializing_editor.html

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<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=602130

-->

<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.canUndo,

    false,

    "Editor shouldn't have undo transactions at start"

);

  i.style.display = "none";

  document.offsetWidth;

  i.style.display = "";

  document.offsetWidth;

  i.select();

  i.focus();

is(

    SpecialPowers.wrap(i).editor.canUndo,

    false,

    "Editor shouldn't have undo transaction after re-initializing the editor"

);

  SimpleTest.finish();

});

</script>

</pre>

</body>

</html>