LayoutTests/media/video-reverse-play-duration.html

   1 <!DOCTYPE HTML>
   2
   3 <html>
   4     <head>
   5         <title>local video</title>
   6
   7         <script src=media-file.js></script>
   8         <script src=video-test.js></script>
   9
  10         <script>
  11
  12             var startedPlayback = 0;
  13             var duration = 0;
  14
  15             function canplaythrough()
  16             {
  17                 // Cache the duration, seek to 0.2 seconds
  18                 duration = video.duration;
  19                 testExpected("video.duration", 0, '>');
  20                 testExpected("video.currentTime", 0);
  21                 run("video.currentTime = 0.3");
  22                 consoleWrite("");
  23             }
  24
  25             function seeked()
  26             {
  27                 // Play backwards
  28                 testExpected("video.currentTime.toFixed(1)", 0.3);
  29                 run("video.play()");
  30                 run("video.playbackRate = -1");
  31                 startedPlayback = true;
  32                 consoleWrite("");
  33             }
  34
  35             function timeupdate()
  36             {
  37                 if (startedPlayback && video.currentTime == 0) {
  38                     // Make sure the duration is still valid
  39                     testExpected("video.duration", 0, '>');
  40                     endTest();
  41                 }
  42             }
  43
  44             function start()
  45             {
  46                 findMediaElement();
  47
  48                 waitForEvent("error");
  49                 waitForEvent('canplaythrough', canplaythrough);
  50                 waitForEvent('seeked', seeked);
  51                 video.addEventListener("timeupdate", timeupdate);
  52
  53                 video.src = findMediaFile("video", "content/test");
  54                 consoleWrite("");
  55             }
  56
  57         </script>
  58     </head>
  59     <body>
  60         <video controls autobuffer></video>
  61         <p>Tests that duration is not set to zero when playing in reverse to the origin.</p>
  62         <script>start()</script>
  63     </body>
  64 </html>
  65
  66