src/third_party/WebKit/LayoutTests/http/tests/media/media-source/mediasource-closed-on-htmlmediaelement-destruction.html

   1 <!DOCTYPE html>
   2 <html>
   3     <head>
   4       <script src="/js-test-resources/js-test.js"></script>
   5       <script src="/media-resources/video-test.js"></script>
   6       <script src="/w3c/resources/testharness.js"></script>
   7       <script src="/w3c/resources/testharnessreport.js"></script>
   8       <script src="mediasource-util.js"></script>
   9     </head>
  10     <body>
  11       <div id="log"></div>
  12       <video id="vid"></video>
  13       <script>
  14           window.jsTestIsAsync = true;
  15
  16           async_test(function(test)
  17           {
  18               var ms = new MediaSource();
  19
  20               function sourceOpened()
  21               {
  22                   consoleWrite("sourceOpened called.");
  23                   var vid = document.getElementById('vid');
  24                   var buffer = ms.addSourceBuffer('video/webm; codecs="vorbis,vp8"');
  25
  26                   consoleWrite("Removing video element from DOM.");
  27                   vid.parentNode.removeChild(vid);
  28                   vid = null;
  29
  30                   consoleWrite("Running the garbage collector.");
  31                   asyncGC(test.step_func(function()
  32                   {
  33                       assert_equals(ms.readyState, "closed", "MediaSource object is closed.");
  34
  35                       assert_throws( { name: "InvalidStateError"} ,
  36                           function() { buffer.timestampOffset = 42; },
  37                           "buffer.timestampOffset threw an exception as expected in the 'closed' state.");
  38
  39                       test.done();
  40                   }));
  41               }
  42
  43               function sourceClosed()
  44               {
  45                   consoleWrite("sourceClosed called.");
  46               }
  47
  48               ms.addEventListener('sourceopen', test.step_func(sourceOpened));
  49               ms.addEventListener('sourceclose', test.step_func(sourceClosed));
  50               document.getElementById('vid').src = window.URL.createObjectURL(ms);
  51           }, "Tests that the MediaSource is closed when the HTMLMediaElement is destroyed.");
  52       </script>
  53     </body>
  54 </html>