src/third_party/WebKit/LayoutTests/http/tests/media/media-source/webkitmediasource-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 webkitsourceopen event fires even if garbage collection happens between setting video.src &amp; the webkitsourceopen event.</p>
   9         <script type="text/javascript">
  10             function createMediaSourceURL()
  11             {
  12                 var mediaSource = new WebKitMediaSource();
  13                 var onSourceOpen = function (e)
  14                 {
  15                     sourceOpened = true;
  16                     consoleWrite("onSourceOpen called.");
  17                     endTest();
  18                 };
  19                 consoleWrite("Setting webkitsourceopen event listener.");
  20                 mediaSource.addEventListener('webkitsourceopen', onSourceOpen);
  21                 return window.URL.createObjectURL(mediaSource);
  22             }
  23
  24             function start()
  25             {
  26                 var video = document.getElementById('vid');
  27                 var sourceOpened = false;
  28                 var onStalled = function (e)
  29                 {
  30                     if (sourceOpened)
  31                         return;
  32
  33                     failTest('stalled event fired before webkitsourceopen');
  34                 };
  35                 video.addEventListener('stalled', onStalled);
  36
  37                 var url = createMediaSourceURL();
  38                 consoleWrite("Running garbage collector.");
  39                 gc();
  40
  41                 consoleWrite("Setting video.src to object URL.");
  42                 video.src = url;
  43             }
  44             start();
  45         </script>
  46     </body>
  47 </html>