LayoutTests/media/video-source-load.html

   1 <!doctype html>
   2 <html>
   3     <head>
   4         <title>load() and the &lt;source&gt; element</title>
   5         <script src=video-test.js></script>
   6         <script src=media-file.js></script>
   7         <script>
   8             var sources = [];
   9             var count = 0;
  10
  11             function canplaythrough()
  12             {
  13                 testExpected("stripExtension(relativeURL(video.currentSrc))", relativeURL(stripExtension(sources[1])));
  14                 ++count;
  15                 switch (count)
  16                 {
  17                     case 1:
  18                         consoleWrite("<br>+++ Calling load().");
  19                         video.load();
  20                         break;
  21                     case 2:
  22                         endTest();
  23                     return;
  24                 }
  25             }
  26
  27             function addSource(type, name)
  28             {
  29                 var source = document.createElement('source');
  30                 source.src = findMediaFile(type, name);
  31                 sources.push(source.src);
  32                 source.type = mimeTypeForExtension(source.src.split('.').pop());
  33                 video.appendChild(source);
  34             }
  35
  36             function setup()
  37             {
  38                 video = mediaElement = document.getElementsByTagName('video')[0];
  39
  40                 consoleWrite("+++ Test initial networkState.");
  41                 testExpected("video.networkState", HTMLMediaElement.prototype.NETWORK_EMPTY, "==");
  42
  43                 // Add an invalid url to the first source so we test getting an error event
  44                 // each time resource selection runs.
  45                 addSource("video", "content/bogus");
  46                 addSource("video", "content/test");
  47                 addSource("audio", "content/test");
  48
  49                 consoleWrite("<br>+++ Add &lt;source&gt; elements to trigger loading, test networkState.");
  50                 testExpected("video.networkState", HTMLMediaElement.prototype.NETWORK_NO_SOURCE, "==");
  51
  52                 waitForEvent("canplaythrough", canplaythrough);
  53                 waitForEvent("error");
  54             }
  55         </script>
  56     </head>
  57     <body onload="setup()">
  58         <video controls width=300 ></video>
  59         <p>Test that the resource selection algorithm is restarted when load() is called, and that all &lt;source&gt; elements are reconsidered.</p>
  60     </body>
  61 </html>