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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>