test_bug471319.html

Enable keyboard shortcuts

<!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">

      /** Test for Bug 471319 **/

      SimpleTest.waitForExplicitFinish();

      function doTest() {

        let t1 = SpecialPowers.wrap($("t1"));

        // Test 1: Undo on an empty editor - the editor should not forget about

        // the padding <br> element for empty editor.

        let t1Editor = t1.editor;

        // Did the editor recognize the new padding <br> element?

        t1Editor.undo();

        ok(!t1.value, "<br> still recognized as padding on undo");

        // Test 2: Redo on an empty editor - the editor should not forget about

        // the padding <br> element for empty editor.

        let t2 = SpecialPowers.wrap($("t2"));

        let t2Editor = t2.editor;

        // Did the editor recognize the new padding <br> element?

        t2Editor.redo();

        ok(!t2.value, "<br> still recognized as padding on redo");

        // Test 3: Undoing a batched transaction where both end points of the

        // transaction are the padding <br> element for empty editor - the

        // <br> element should still be recognized as padding.

        t1Editor.beginTransaction();

        t1.value = "mozilla";

        t1.value = "";

        t1Editor.endTransaction();

        t1Editor.undo();

        ok(!t1.value,

           "recreated <br> from undo transaction recognized as padding");

        // Test 4: Redoing a batched transaction where both end points of the

        // transaction are the padding <br> element for empty editor - the

        // <br> element should still be recognized padding.

        t1Editor.redo();

        ok(!t1.value,

           "recreated <br> from redo transaction recognized as padding");

        SimpleTest.finish();

   </script>

  </pre>

  <input type="text" id="t1" />

  <input type="text" id="t2" />

</body>

</html>