third_party/WebKit/LayoutTests/fast/dom/HTMLImageElement/image-loading-gc.html

   1 <html>
   2 <script>
   3 function runTest() {
   4     if (window.testRunner) {
   5         testRunner.dumpAsText();
   6         testRunner.waitUntilDone();
   7     }
   8
   9     var image = new Image();
  10
  11     image.onload = function () {
  12         document.getElementById('result').innerHTML = 'SUCCESS';
  13
  14         if (window.testRunner)
  15             testRunner.notifyDone();
  16     }
  17
  18     image.src = 'resources/blue_rect.jpg'
  19     image = null;
  20
  21     if (window.GCController)
  22         GCController.collect();
  23     else {
  24         // create lots of objects to force a garbage collection
  25         var i = 0;
  26         var s;
  27         while (i < 5000) {
  28             i = i + 1.11;
  29             s = s + " ";
  30         }
  31     }
  32 }
  33 </script>
  34 <body onload="runTest()">
  35 <div>This tests that an image element won't be garbage collected when it's loading, even if it doesn't have any references.
  36 <div id="result">FAILURE</div>
  37 </body>
  38 </html>