third_party/WebKit/LayoutTests/media/avtrack/addtrack.html

   1 <!doctype html>
   2 <html>
   3     <head>
   4         <title>AudioTrackList &amp; VideoTrackList addtrack event</title>
   5         <script src="../../resources/testharness.js"></script>
   6         <script src="../../resources/testharnessreport.js"></script>
   7         <script src="../media-file.js"></script>
   8     </head>
   9     <body>
  10         <div id="log"></div>
  11         <script>
  12             function addtrack_test(tagName, src, label)
  13             {
  14                 function onTrackListEvent(actualEventList, e)
  15                 {
  16                     actualEventList.push(e.type);
  17
  18                     if (e.type == "addtrack") {
  19                         assert_equals(e.track, e.target[0], "Track property matches first track in list.");
  20                     }
  21                 }
  22
  23                 function setupTrackListHandlers(t, trackList, actualEventList)
  24                 {
  25                     trackList.addEventListener("addtrack", t.step_func(onTrackListEvent.bind(this, actualEventList)));
  26                     trackList.addEventListener("change", t.step_func(onTrackListEvent.bind(this, actualEventList)));
  27                     trackList.addEventListener("removetrack", t.step_func(onTrackListEvent.bind(this, actualEventList)));
  28                 }
  29
  30                 async_test(function(t)
  31                 {
  32                     var e = document.createElement(tagName);
  33                     e.src = src;
  34
  35                     var expectedEvents = ["addtrack"];
  36                     var actualAudioEvents = [];
  37                     var actualVideoEvents = [];
  38                     setupTrackListHandlers(t, e.audioTracks, actualAudioEvents, "audioTracks events");
  39                     setupTrackListHandlers(t, e.videoTracks, actualVideoEvents, "videoTracks events");
  40
  41                     e.load();
  42
  43                     e.addEventListener("loadedmetadata", t.step_func(function()
  44                     {
  45                         assert_array_equals(actualAudioEvents, expectedEvents);
  46
  47                         if (e.videoTracks.length > 0) {
  48                             assert_equals(label, "audio-video");
  49                             assert_array_equals(actualVideoEvents, expectedEvents);
  50                         } else {
  51                             assert_equals(label, "audio-only");
  52                             assert_equals(actualVideoEvents.length, 0);
  53                         }
  54
  55                         t.done();
  56                     }));
  57                 }, tagName + " : " + label);
  58             }
  59
  60             addtrack_test("audio", findMediaFile("audio", "../content/test"), "audio-only");
  61             addtrack_test("audio", findMediaFile("video", "../content/test"), "audio-video");
  62             addtrack_test("video", findMediaFile("audio", "../content/test"), "audio-only");
  63             addtrack_test("video", findMediaFile("video", "../content/test"), "audio-video");
  64         </script>
  65     </body>
  66 </html>