third_party/WebKit/LayoutTests/svg/animations/smil-leak-dynamically-added-element-instances.svg

   1 <svg id="svg" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" onload="load()">
   2 <defs>
   3     <rect id="rect" width="100" height="100" />
   4 </defs>
   5 <g id="g"/>
   6 <text x="50" y="50" id="log"/>
   7 <script xlink:href="../../resources/js-test.js"></script>
   8 <script id="script">
   9 <![CDATA[
  10
  11 var g = document.getElementById("g");
  12
  13 function log(message) {
  14     var logDiv = document.getElementById('log');
  15     logDiv.appendChild(document.createTextNode(message));
  16 }
  17
  18 function createAnimatedRectInstance() {
  19     var use = document.createElementNS("http://www.w3.org/2000/svg", "use");
  20     use.setAttributeNS("http://www.w3.org/1999/xlink", "href", "#rect");
  21
  22     var anim = document.createElementNS("http://www.w3.org/2000/svg", "animate");
  23     anim.setAttribute("attributeType", "XML");
  24     anim.setAttribute("attributeName", "x");
  25     anim.setAttribute("from", "100");
  26     anim.setAttribute("to", "0");
  27     anim.setAttribute("begin", "0s");
  28     anim.setAttribute("dur", "10.0s");
  29     anim.setAttribute("repeatCount", 1);
  30
  31     use.appendChild(anim);
  32
  33     return use;
  34 }
  35
  36 function cleanup() {
  37     asyncGC(function() {
  38         var originalLiveElements = internals.numberOfLiveNodes();
  39
  40         while (g.hasChildNodes())
  41             g.removeChild(g.lastChild);
  42
  43         asyncGC(function() {
  44             // FIXME: Why 400 and not 200?
  45             var liveDelta = originalLiveElements - internals.numberOfLiveNodes() - 400;
  46             if (liveDelta == 0)
  47                 log("PASS");
  48             else
  49                 log("FAIL: " + liveDelta + " extra live node(s)");
  50
  51             testRunner.notifyDone();
  52         });
  53     });
  54 }
  55
  56 function addMoreInstances() {
  57     for (var i = 0; i < 50; i++)
  58         g.appendChild(createAnimatedRectInstance());
  59
  60     setTimeout(cleanup, 0);
  61 }
  62
  63 function startTest() {
  64     for (var i = 0; i < 50; i++)
  65         g.appendChild(createAnimatedRectInstance());
  66
  67     setTimeout(addMoreInstances, 100);
  68 }
  69
  70 function load() {
  71     if (window.testRunner && window.GCController && window.internals) {
  72         testRunner.dumpAsText();
  73         testRunner.waitUntilDone();
  74     } else {
  75         log("This test only works when run with the testRunner, GCController, and internals available.");
  76         return;
  77     }
  78
  79     setTimeout(startTest, 0);
  80 }
  81 ]]>
  82 </script>
  83 </svg>