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37 lines
1.3 KiB
HTML
37 lines
1.3 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=840877
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-->
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<head>
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<title>Test for Bug 840877</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=840877">Mozilla Bug 840877</a>
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<p id="display"></p>
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<div id="content"></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 840877 **/
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var root = document.documentElement;
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var undoMan = document.undoManager;
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var newChild = document.createElement("div");
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// Removing the documentElement from the document removes the element from the document's undo scope.
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document.removeChild(root);
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undoMan.transact({ executeAutomatic: function() { root.appendChild(newChild); }}, true);
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// Append the document element back so that we don't break mochitests.
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document.appendChild(root);
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// Element appended by executeAutomatic should be a child of the documentElement.
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is(root.childNodes[root.childNodes.length - 1], newChild, "Document element should have child appened by transaction.");
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</script>
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</pre>
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</body>
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</html>
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