third_party/WebKit/LayoutTests/http/tests/misc/embed-image-load-outlives-gc-without-crashing.html

   1 <script src="/js-test-resources/js-test.js"></script>
   2 <script>
   3
   4 if (window.testRunner) {
   5         testRunner.waitUntilDone();
   6         testRunner.dumpAsText();
   7 }
   8
   9 function loaded() {
  10         // If the garbage collection causes the image load to stop and therefore causes the load event to fire on the main frame, we failed.
  11         alert("FAIL: The load event fired");
  12
  13         if (window.testRunner)
  14                 testRunner.notifyDone();
  15 }
  16
  17 </script>
  18 <body onload="loaded();">
  19
  20 This has an embed element representing an image.  That embed element is wrapped in a div.  It removes the div, forces garbage collection, and makes sure that the window load event does not fire.  It also makes sure there is no crash.<br>
  21 <div id="thediv">
  22 <embed type="image/gif" src="resources/slowimage.php">
  23 </embed>
  24 </div>
  25 </body>
  26 <script>
  27
  28 function finished() {
  29         window.stop()
  30         if (window.testRunner)
  31                 testRunner.notifyDone();
  32 }
  33
  34 function forceGC() {
  35         gc();
  36         setTimeout("finished();", 0);
  37 }
  38
  39 function removeTheDiv() {
  40         var element = window.document.getElementById("thediv");
  41         element.parentNode.removeChild(element);
  42         element = null;
  43         setTimeout("forceGC();", 0);
  44 }
  45
  46 setTimeout("removeTheDiv();", 0);
  47
  48 </script>