third_party/WebKit/LayoutTests/http/tests/media/media-source/mediasource-garbage-collection-before-sourceopen.html

   1 <!DOCTYPE html>
   2 <html>
   3     <head>
   4         <script src="/media-resources/video-test.js"></script>
   5     </head>
   6     <body>
   7         <video autoplay controls="controls" id='vid'></video>
   8         <p>Tests that sourceopen event fires even if garbage collection happens between setting video.src &amp; the sourceopen event.</p>
   9         <script type="text/javascript">
  10             var sourceOpened = false;
  11
  12             function createMediaSourceURL()
  13             {
  14                 var mediaSource = new MediaSource();
  15                 var onSourceOpen = function (e)
  16                 {
  17                     sourceOpened = true;
  18                     consoleWrite("onSourceOpen called.");
  19                     endTest();
  20                 };
  21                 consoleWrite("Setting sourceopen event listener.");
  22                 mediaSource.addEventListener('sourceopen', onSourceOpen);
  23                 return window.URL.createObjectURL(mediaSource);
  24             }
  25
  26             function start()
  27             {
  28                 var video = document.getElementById('vid');
  29                 var onStalled = function (e)
  30                 {
  31                     if (sourceOpened)
  32                         return;
  33
  34                     failTest('stalled event fired before sourceopen');
  35                 };
  36                 video.addEventListener('stalled', onStalled);
  37
  38                 var url = createMediaSourceURL();
  39                 consoleWrite("Running garbage collector.");
  40                 gc();
  41
  42                 consoleWrite("Setting video.src to object URL.");
  43                 video.src = url;
  44             }
  45             start();
  46         </script>
  47     </body>
  48 </html>