зеркало из https://github.com/mozilla/gecko-dev.git
49 строки
1.2 KiB
HTML
49 строки
1.2 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=827426
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-->
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<head>
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<title>Test for Bug 827426</title>
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<script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
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<script type="text/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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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=827426">Mozilla Bug 827426</a>
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<p id="display"></p>
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<div id="content">foo</div>
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<pre id="test">
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<script class="testbody" type="text/javascript">
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/** Test for Bug 827426 **/
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var elem = document.getElementById("content");
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var undoManager = document.undoManager;
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var transaction = {
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executeAutomatic: function() {
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elem.childNodes[0].appendData("bar");
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},
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};
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// Perform transaction
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undoManager.transact(transaction, false);
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// Make mutation external to UndoManager.
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elem.childNodes[0].deleteData(0, 6);
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// Call undo/redo a few times and make sure nothing bad happens.
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undoManager.undo();
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undoManager.redo();
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undoManager.undo();
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undoManager.redo();
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undoManager.undo();
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ok(true, "Nothing bad happened with external mutation.");
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</script>
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</pre>
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</body>
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</html>
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