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<html>
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<head>
<title>Test for Bug 471722</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<script src="/tests/SimpleTest/EventUtils.js"></script>
</head>
<body onload="doTest();">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=471722">Mozilla Bug 471722</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 471722 **/
SimpleTest.waitForExplicitFinish();
function doTest() {
var t1 = $("t1");
var editor = SpecialPowers.wrap(t1).editor;
ok(editor, "able to get editor for the element");
t1.focus();
t1.select();
try {
// Cut the initial text in the textbox
ok(editor.canCut(), "can cut text");
editor.cut();
is(t1.value, "", "initial text was removed");
// So now we will have emptied the textfield and the editor will have
// created a padding <br> element for empty editor.
// Check the transaction is in the undo stack...
var t1Enabled = {};
var t1CanUndo = {};
editor.canUndo(t1Enabled, t1CanUndo);
ok(t1CanUndo.value, "undo is enabled");
// Undo the cut
editor.undo(1);
is(t1.value, "minefield", "text reinserted");
// So now, the cut should be in the redo stack, so executing the redo
// will clear the text once again and reinsert the padding <br>
// element for empty editor that was removed after undo.
// This will require the editor to figure out that we have a padding
// <br> element again...
var t1CanRedo = {};
editor.canRedo(t1Enabled, t1CanRedo);
ok(t1CanRedo.value, "redo is enabled");
editor.redo(1);
// Did the editor notice a padding <br> element for empty editor
// reappeared?
is(t1.value, "", "editor found padding <br> element");
} catch (e) {
ok(false, "test failed with error " + e);
}
SimpleTest.finish();
}
</script>
</pre>
<input type="text" value="minefield" id="t1" />
</body>
</html>