third_party/WebKit/LayoutTests/fast/dom/gc-image-element-2.html

   1 <p>Tests for image elements firing their load events even when they're not in the document. Should say "onload fired" ten times, and then "PASS".</p>
   2 <pre id="console"></pre>
   3
   4 <script src="../../resources/js-test.js"></script>
   5 <script>
   6 if (window.testRunner) {
   7     testRunner.dumpAsText();
   8     testRunner.waitUntilDone();
   9 }
  10
  11 function $(id)
  12 {
  13     return document.getElementById(id);
  14 }
  15
  16 function log(s)
  17 {
  18     $("console").appendChild(document.createTextNode(s + "\n"));
  19 }
  20
  21 var imageCount = 0;
  22
  23 function createImage()
  24 {
  25     ++imageCount;
  26     var image = new Image;
  27     image.src = "resources/apple.gif";
  28     image.onload = function () {
  29         log("onload fired...");
  30         gc();
  31
  32         --imageCount;
  33         if (!imageCount) {
  34             log("PASS");
  35             if (window.testRunner)
  36                 testRunner.notifyDone();
  37         }
  38     };
  39     image = null;
  40 }
  41
  42 for (var i = 0; i < 10; ++i)
  43     createImage();
  44
  45 </script>