third_party/WebKit/LayoutTests/http/tests/media/media-source/mediasource-gc-after-decode-error-crash.html

   1 <!doctype html>
   2 <html>
   3     <head>
   4       <script src="../../media-resources/video-test.js"></script>
   5     </head>
   6     <body>
   7         <p>Verifies that a MediaSource decode error followed by a gc() and page reload does not trigger a crash.</p>
   8         <video></video>
   9         <script>
  10           function onSourceOpen(e)
  11           {
  12               consoleWrite("onSourceOpen");
  13               var ms = e.target;
  14               ms.removeEventListener("sourceopen", onSourceOpen);
  15
  16               var v = document.querySelector("video");
  17               URL.revokeObjectURL(v.src);
  18
  19               // Create a SourceBuffer and append garbage so a decode error will occur
  20               // and the MediaSource will get closed.
  21               ms.addEventListener("sourceclose", onSourceClose);
  22               var sb = ms.addSourceBuffer("video/webm;codecs=\"vp8\"");
  23               var buf = new Uint8Array(10);
  24               sb.appendBuffer(buf);
  25           }
  26
  27           function onSourceClose(e)
  28           {
  29             consoleWrite("onSourceClose");
  30             e.target.removeEventListener("sourceclose", onSourceClose);
  31
  32             // Schedule a GC and page reload. We need a timeout here so that
  33             // the MediaSource reference used by this event is cleared before
  34             // we try to GC & reload.
  35             setTimeout(gcAndReloadPage, 0);
  36           }
  37
  38           function gcAndReloadPage()
  39           {
  40               consoleWrite("Running gc().");
  41               gc();
  42
  43               var suffix = "?2";
  44               if (document.location.href.indexOf(suffix) != -1) {
  45                   endTest();
  46                   return;
  47               }
  48
  49               document.location.href += suffix;
  50           }
  51
  52           (function()
  53           {
  54               var ms = new MediaSource();
  55               ms.addEventListener("sourceopen", onSourceOpen);
  56               document.querySelector("video").src = URL.createObjectURL(ms);
  57           })();
  58         </script>
  59     </body>
  60 </html>