third_party/WebKit/LayoutTests/http/tests/media/media-source/mediasource-trackdefaultlist.html

   1 <!DOCTYPE html>
   2 <html>
   3     <head>
   4         <script src="/w3c/resources/testharness.js"></script>
   5         <script src="/w3c/resources/testharnessreport.js"></script>
   6
   7         <link rel='stylesheet' href='/w3c/resources/testharness.css'>
   8     </head>
   9     <body>
  10         <div id="log"></div>
  11         <script>
  12
  13             test(function()
  14             {
  15                 var originalTrackDefaults = [
  16                     // Same everything, but different byteStreamTrackID, should be allowed by the constructor.
  17                     new TrackDefault("audio", "en-US", "label", ["main"], ""),
  18                     new TrackDefault("audio", "en-US", "label", ["main"], "1"),
  19                     new TrackDefault("audio", "en-US", "label", ["main"], "2"),
  20                     new TrackDefault("audio", "en-US", "label", [""], "3"),
  21
  22                     // Same everything, but different type, should be allowed by the constructor.
  23                     new TrackDefault("video", "en-US", "label", ["main"], ""),
  24                     new TrackDefault("video", "en-US", "label", ["main"], "1"),
  25                     new TrackDefault("video", "en-US", "label", ["main"], "2"),
  26                     new TrackDefault("video", "en-US", "label", [""], "3")
  27                 ];
  28
  29                 // Get a new array containing the same objects as |originalTrackDefaults|.
  30                 var trackDefaults = originalTrackDefaults.slice();
  31
  32                 var trackDefaultList = new TrackDefaultList(trackDefaults);
  33                 assert_array_equals(trackDefaultList, originalTrackDefaults, "construction and read-back succeeded");
  34                 assert_equals(trackDefaultList[trackDefaultList.length], undefined, "out of range indexed property getter result is undefined");
  35                 assert_equals(trackDefaultList[trackDefaultList.length + 1], undefined, "out of range indexed property getter result is undefined");
  36
  37                 // Introduce same-type, same-empty-string-byteStreamTrackId conflict in trackDefaults[0 vs 4].
  38                 trackDefaults[4] = new TrackDefault("audio", "en-US", "label", ["main"], "");
  39                 assert_equals(trackDefaults[0].type, trackDefaults[4].type, "same-type conflict setup");
  40                 assert_equals(trackDefaults[0].byteStreamTrackID, trackDefaults[4].byteStreamTrackID, "same-byteStreamTrackID conflict setup");
  41                 assert_throws("InvalidAccessError",
  42                     function() { new TrackDefaultList(trackDefaults); },
  43                     "TrackDefaultList construction should throw exception due to same type and byteStreamTrackID across at least 2 items in trackDefaults");
  44
  45                 // Introduce same-type, same-non-empty-string-byteStreamTrackId conflict in trackDefaults[4 vs 5].
  46                 trackDefaults[4] = new TrackDefault("video", "en-US", "label", ["main"], "1");
  47                 assert_equals(trackDefaults[4].type, trackDefaults[5].type, "same-type conflict setup");
  48                 assert_equals(trackDefaults[4].byteStreamTrackID, trackDefaults[5].byteStreamTrackID, "same-byteStreamTrackID conflict setup");
  49                 assert_throws("InvalidAccessError",
  50                     function() { new TrackDefaultList(trackDefaults); },
  51                     "TrackDefaultList construction should throw exception due to same type and byteStreamTrackID across at least 2 items in trackDefaults");
  52
  53                 // Confirm the constructed TrackDefaultList makes a shallow copy of the supplied TrackDefault sequence.
  54                 assert_array_equals(trackDefaultList, originalTrackDefaults, "read-back of original trackDefaultList unchanged");
  55
  56             }, "Test track default list construction, length, and indexed property getter");
  57
  58             test(function()
  59             {
  60                 var trackDefaultList = new TrackDefaultList();
  61                 assert_array_equals(trackDefaultList, [], "empty list constructable without supplying optional trackDefaults parameter");
  62
  63                 trackDefaultList = new TrackDefaultList([]);
  64                 assert_array_equals(trackDefaultList, [], "empty list constructable by supplying empty sequence as optional trackDefaults parameter");
  65             }, "Test empty track default list construction with and without optional trackDefaults parameter");
  66
  67         </script>
  68     </body>
  69 </html>