The Tor Browser: content/html/document/test/test

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

     1 <html xmlns="http://www.w3.org/1999/xhtml">

     2 <!--

     3 https://bugzilla.mozilla.org/show_bug.cgi?id=311681

     4 -->

     5 <head>

     6   <title>Test for Bug 311681</title>

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

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

     9 </head>

    10 <body>

    11 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=311681">Mozilla Bug 311681</a>

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

    13 <![CDATA[

    14   // Setup script

    15   SimpleTest.waitForExplicitFinish();

    17   // Make sure to trigger the hashtable case by asking for enough elements

    18   // by ID.

    19   for (var i = 0; i < 256; ++i) {

    20     var x = document.getElementById(i);

    21   }

    23   // save off the document.getElementById function, since getting it as a

    24   // property off the document it causes a content flush.

    25   var fun = document.getElementById;

    27   // Slot for our initial element with id "content"

    28   var testNode;

    30   function getCont() {

    31     return fun.call(document, "content");

    32   }

    34   function testClone() {

    35     // Test to make sure that if we have multiple nodes with the same ID in

    36     // a document we don't forget about one of them when the other is

    37     // removed.

    38     var newParent = $("display");

    39     var node = testNode.cloneNode(true);

    40     isnot(node, testNode, "Clone should be a different node");

    42     newParent.appendChild(node);

    44     // Check what getElementById returns, no flushing

    45     is(getCont(), node, "Should be getting new node pre-flush 1");

    47     // Trigger a layout flush, just in case.

    48     var itemHeight = newParent.offsetHeight/10;

    50     // Check what getElementById returns now.

    51     is(getCont(), node, "Should be getting new node post-flush 1");

    53     clear(newParent);

    55     // Check what getElementById returns, no flushing

    56     is(getCont(), testNode, "Should be getting orig node pre-flush 2");

    58     // Trigger a layout flush, just in case.

    59     var itemHeight = newParent.offsetHeight/10;

    61     // Check what getElementById returns now.

    62     is(getCont(), testNode, "Should be getting orig node post-flush 2");

    64     node = testNode.cloneNode(true);

    65     newParent.appendChild(node);

    66     testNode.parentNode.removeChild(testNode);

    68     // Check what getElementById returns, no flushing

    69     is(getCont(), node, "Should be getting clone pre-flush");

    71     // Trigger a layout flush, just in case.

    72     var itemHeight = newParent.offsetHeight/10;

    74     // Check what getElementById returns now.

    75     is(getCont(), node, "Should be getting clone post-flush");

    77   }

    79   function clear(node) {

    80     while (node.hasChildNodes()) {

    81       node.removeChild(node.firstChild);

    82     }

    83   }

    85   addLoadEvent(testClone);

    86   addLoadEvent(SimpleTest.finish);

    87 ]]>

    88 </script>

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

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

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

    92   <![CDATA[

    93     testNode = fun.call(document, "content");

    94     ok(testNode != null, "Should have node here");

    95   ]]>

    96   </script>

    97 </div>

    98 <pre id="test">

    99 </pre>

   100 </body>

   101 </html>

The Tor Browser / file revision