The Tor Browser: dom/tests/mochitest/bugs/test

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 <!DOCTYPE HTML>

     2 <html>

     3 <!--

     4 https://bugzilla.mozilla.org/show_bug.cgi?id=393974

     5 -->

     6 <head>

     7   <title>Test for Bug 393974</title>

     8   <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>

     9   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

    10 </head>

    11 <body>

    12 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=393974">Mozilla Bug 393974</a>

    13 <p id="display"></p>

    14 <div id="content" style="display: none">

    16 </div>

    17 <pre id="test">

    18 <script class="testbody" type="text/javascript">

    20 SimpleTest.waitForExplicitFinish();

    22 function test()

    23 {

    24   // Create a tree walker with a filter which creates a cycle...

    25   var tw = document.createTreeWalker(document, NodeFilter.SHOW_ALL,

    26                                      function(n)

    27                                      {

    28                                        // force the closure to contain the

    29                                        // global object, in case a future

    30                                        // optimization might minimize the

    31                                        // function's captured environment

    32                                        if ("foo" + window == "fooPIRATES!")

    33                                          return NodeFilter.FILTER_ACCEPT;

    34                                        return NodeFilter.FILTER_REJECT;

    35                                      });

    37   // That should have been enough to create a leak, but we should do at least

    38   // a couple tests while we're here so that this document doesn't show up as

    39   // having no tests pass *or* fail.

    41   ok(tw.firstChild() === null, "shouldn't be a first child");

    42   ok(tw.currentNode === document, "should be unchanged");

    44   ok(tw.lastChild() === null, "shouldn't be a last child");

    45   ok(tw.currentNode === document, "should be unchanged");

    47   ok(tw.nextNode() === null, "shouldn't be a next node");

    48   ok(tw.currentNode === document, "should be unchanged");

    50   ok(tw.nextSibling() === null, "shouldn't be a next sibling");

    51   ok(tw.currentNode === document, "should be unchanged");

    53   ok(tw.parentNode() === null, "shouldn't be a parent node");

    54   ok(tw.currentNode === document, "should be unchanged");

    56   ok(tw.previousNode() === null, "shouldn't be a previous node");

    57   ok(tw.currentNode === document, "should be unchanged");

    59   ok(tw.previousSibling() === null, "shouldn't be a previous sibling");

    60   ok(tw.currentNode === document, "should be unchanged");

    61 }

    63 addLoadEvent(test);

    64 addLoadEvent(SimpleTest.finish);

    65 </script>

    66 </pre>

    67 </body>

    68 </html>

The Tor Browser / file revision