1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/tests/mochitest/bugs/test_bug393974.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,68 @@
1.4 +<!DOCTYPE HTML>
1.5 +<html>
1.6 +<!--
1.7 +https://bugzilla.mozilla.org/show_bug.cgi?id=393974
1.8 +-->
1.9 +<head>
1.10 + <title>Test for Bug 393974</title>
1.11 + <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
1.12 + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
1.13 +</head>
1.14 +<body>
1.15 +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=393974">Mozilla Bug 393974</a>
1.16 +<p id="display"></p>
1.17 +<div id="content" style="display: none">
1.18 +
1.19 +</div>
1.20 +<pre id="test">
1.21 +<script class="testbody" type="text/javascript">
1.22 +
1.23 +SimpleTest.waitForExplicitFinish();
1.24 +
1.25 +function test()
1.26 +{
1.27 + // Create a tree walker with a filter which creates a cycle...
1.28 + var tw = document.createTreeWalker(document, NodeFilter.SHOW_ALL,
1.29 + function(n)
1.30 + {
1.31 + // force the closure to contain the
1.32 + // global object, in case a future
1.33 + // optimization might minimize the
1.34 + // function's captured environment
1.35 + if ("foo" + window == "fooPIRATES!")
1.36 + return NodeFilter.FILTER_ACCEPT;
1.37 + return NodeFilter.FILTER_REJECT;
1.38 + });
1.39 +
1.40 + // That should have been enough to create a leak, but we should do at least
1.41 + // a couple tests while we're here so that this document doesn't show up as
1.42 + // having no tests pass *or* fail.
1.43 +
1.44 + ok(tw.firstChild() === null, "shouldn't be a first child");
1.45 + ok(tw.currentNode === document, "should be unchanged");
1.46 +
1.47 + ok(tw.lastChild() === null, "shouldn't be a last child");
1.48 + ok(tw.currentNode === document, "should be unchanged");
1.49 +
1.50 + ok(tw.nextNode() === null, "shouldn't be a next node");
1.51 + ok(tw.currentNode === document, "should be unchanged");
1.52 +
1.53 + ok(tw.nextSibling() === null, "shouldn't be a next sibling");
1.54 + ok(tw.currentNode === document, "should be unchanged");
1.55 +
1.56 + ok(tw.parentNode() === null, "shouldn't be a parent node");
1.57 + ok(tw.currentNode === document, "should be unchanged");
1.58 +
1.59 + ok(tw.previousNode() === null, "shouldn't be a previous node");
1.60 + ok(tw.currentNode === document, "should be unchanged");
1.61 +
1.62 + ok(tw.previousSibling() === null, "shouldn't be a previous sibling");
1.63 + ok(tw.currentNode === document, "should be unchanged");
1.64 +}
1.65 +
1.66 +addLoadEvent(test);
1.67 +addLoadEvent(SimpleTest.finish);
1.68 +</script>
1.69 +</pre>
1.70 +</body>
1.71 +</html>
