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69 lines
2.5 KiB
HTML
69 lines
2.5 KiB
HTML
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<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=393974
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-->
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<head>
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<title>Test for Bug 393974</title>
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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=393974">Mozilla Bug 393974</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 class="testbody" type="text/javascript">
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SimpleTest.waitForExplicitFinish();
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function test()
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{
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// Create a tree walker with a filter which creates a cycle...
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var tw = document.createTreeWalker(document, NodeFilter.SHOW_ALL,
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function(n)
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{
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// force the closure to contain the
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// global object, in case a future
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// optimization might minimize the
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// function's captured environment
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if ("foo" + window == "fooPIRATES!")
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return NodeFilter.FILTER_ACCEPT;
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return NodeFilter.FILTER_REJECT;
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});
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// That should have been enough to create a leak, but we should do at least
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// a couple tests while we're here so that this document doesn't show up as
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// having no tests pass *or* fail.
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ok(tw.firstChild() === null, "shouldn't be a first child");
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ok(tw.currentNode === document, "should be unchanged");
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ok(tw.lastChild() === null, "shouldn't be a last child");
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ok(tw.currentNode === document, "should be unchanged");
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ok(tw.nextNode() === null, "shouldn't be a next node");
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ok(tw.currentNode === document, "should be unchanged");
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ok(tw.nextSibling() === null, "shouldn't be a next sibling");
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ok(tw.currentNode === document, "should be unchanged");
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ok(tw.parentNode() === null, "shouldn't be a parent node");
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ok(tw.currentNode === document, "should be unchanged");
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ok(tw.previousNode() === null, "shouldn't be a previous node");
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ok(tw.currentNode === document, "should be unchanged");
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ok(tw.previousSibling() === null, "shouldn't be a previous sibling");
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ok(tw.currentNode === document, "should be unchanged");
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}
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addLoadEvent(test);
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addLoadEvent(SimpleTest.finish);
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</script>
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</pre>
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</body>
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</html>
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