зеркало из https://github.com/mozilla/gecko-dev.git
82 строки
2.6 KiB
HTML
82 строки
2.6 KiB
HTML
<!DOCTYPE HTML>
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<!-- This Source Code Form is subject to the terms of the Mozilla Public
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- License, v. 2.0. If a copy of the MPL was not distributed with this
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- file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=471722
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-->
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<head>
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<title>Test for Bug 471722</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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<script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
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</head>
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<body onload="doTest();">
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=471722">Mozilla Bug 471722</a>
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<p id="display"></p>
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<div id="content" style="display: none">
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</div>
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<pre id="test">
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<script type="application/javascript">
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/** Test for Bug 471722 **/
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SimpleTest.waitForExplicitFinish();
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function doTest() {
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var t1 = $("t1");
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var editor = null;
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if (t1 instanceof SpecialPowers.Ci.nsIDOMNSEditableElement)
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editor = SpecialPowers.wrap(t1).editor;
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ok(editor, "able to get editor for the element");
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t1.focus();
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t1.select();
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try {
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// Cut the initial text in the textbox
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ok(editor.canCut(), "can cut text");
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editor.cut();
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is(t1.value, "", "initial text was removed");
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// So now we will have emptied the textfield
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// and the editor will have created a bogus node
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// Check the transaction is in the undo stack...
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var t1Enabled = {};
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var t1CanUndo = {};
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editor.canUndo(t1Enabled, t1CanUndo);
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ok(t1CanUndo.value, "undo is enabled");
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// Undo the cut
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editor.undo(1);
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is(t1.value, "minefield", "text reinserted");
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// So now, the cut should be in the redo stack,
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// so executing the redo will clear the text once again
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// and reinsert the bogus node that was removed after undo.
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// This will require the editor to figure out that we have a
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// bogus node again...
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var t1CanRedo = {};
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editor.canRedo(t1Enabled, t1CanRedo);
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ok(t1CanRedo.value, "redo is enabled");
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editor.redo(1);
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// Did the editor notice a bogus node reappeared?
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is(t1.value, "", "editor found bogus node");
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} catch (e) {
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ok(false, "test failed with error "+e);
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}
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SimpleTest.finish();
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}
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</script>
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</pre>
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<input type="text" value="minefield" id="t1" />
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</body>
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</html>
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