third_party/WebKit/LayoutTests/media/gc-while-playing.html

   1 <!DOCTYPE html>
   2 <title>GC while playing</title>
   3 <script src="../resources/testharness.js"></script>
   4 <script src="../resources/testharnessreport.js"></script>
   5 <script src="media-file.js"></script>
   6 <script>
   7 async_test(function(t)
   8 {
   9     var a = document.createElement("audio");
  10     a.foo = "bar";
  11     a.src = findMediaFile("audio", "content/test");
  12     a.onsuspend = t.step_func(function()
  13     {
  14         assert_equals(a.networkState, a.NETWORK_IDLE);
  15         a.play();
  16         // Continue after a timeout since the current event target is the media
  17         // element, which means that it cannot be garbage collected now.
  18         setTimeout(t.step_func(gcAndAwaitTimeupdate), 0);
  19     });
  20     function gcAndAwaitTimeupdate()
  21     {
  22         a.ontimeupdate = t.step_func(function(e)
  23         {
  24             assert_greater_than(e.target.currentTime, 0);
  25             assert_equals(e.target.foo, "bar");
  26             t.done();
  27         });
  28         a = null;
  29         gc();
  30     }
  31 });
  32 </script>