gecko-dev/editor/libeditor/tests/test_bug471319.html

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<!DOCTYPE HTML>
<!-- This Source Code Form is subject to the terms of the Mozilla Public
- License, v. 2.0. If a copy of the MPL was not distributed with this
- file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=471319
-->
<head>
<title>Test for Bug 471319</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
</head>
<body onload="doTest();">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=471319">Mozilla Bug 471319</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript;version=1.7">
/** Test for Bug 471319 **/
SimpleTest.waitForExplicitFinish();
function doTest() {
let t1 = SpecialPowers.wrap($("t1"));
let editor = null;
// Test 1: Undo on an empty editor - the editor should not forget about
// the bogus node
t1.QueryInterface(SpecialPowers.Ci.nsIDOMNSEditableElement);
t1Editor = t1.editor;
// Did the editor recognize the new bogus node?
t1Editor.undo(1);
ok(!t1.value, "<br> still recognized as bogus node on undo");
// Test 2: Redo on an empty editor - the editor should not forget about
// the bogus node
let t2 = SpecialPowers.wrap($("t2"));
t2.QueryInterface(SpecialPowers.Ci.nsIDOMNSEditableElement);
t2Editor = t2.editor;
// Did the editor recognize the new bogus node?
t2Editor.redo(1);
ok(!t2.value, "<br> still recognized as bogus node on redo");
// Test 3: Undoing a batched transaction where both end points of the
// transaction are the bogus node - the bogus node should still be
// recognized as bogus
t1Editor.transactionManager.beginBatch(null);
t1.value = "mozilla";
t1.value = "";
t1Editor.transactionManager.endBatch(false);
t1Editor.undo(1);
ok(!t1.value,
"recreated <br> from undo transaction recognized as bogus");
// Test 4: Redoing a batched transaction where both end points of the
// transaction are the bogus node - the bogus node should still be
// recognized as bogus
t1Editor.redo(1);
ok(!t1.value,
"recreated <br> from redo transaction recognized as bogus");
SimpleTest.finish();
}
</script>
</pre>
<input type="text" id="t1" />
<input type="text" id="t2" />
</body>
</html>