third_party/WebKit/LayoutTests/http/tests/media/media-source/mediasource-seekable.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         <script src="mediasource-util.js"></script>
   7         <link rel="stylesheet" href="/w3c/resources/testharness.css">
   8     </head>
   9     <body>
  10         <div id="log"></div>
  11         <script>
  12
  13             mediasource_test(function(test, mediaElement, mediaSource)
  14             {
  15                 test.failOnEvent(mediaElement, 'error');
  16                 test.endOnEvent(mediaElement, 'ended');
  17
  18                 var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_ONLY_TYPE);
  19
  20                 assertSeekableEquals(mediaElement, '{ }', 'mediaElement.seekable');
  21                 test.done();
  22             }, 'Get seekable time ranges when the sourcebuffer is empty.');
  23
  24             mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
  25             {
  26                 var initSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init);
  27                 test.expectEvent(mediaElement, 'durationchange', 'mediaElement got duration');
  28                 sourceBuffer.appendBuffer(initSegment);
  29                 test.waitForExpectedEvents(function()
  30                 {
  31                     assert_equals(mediaElement.duration, 6.042);
  32                     assertSeekableEquals(mediaElement, '{ [0.000, 6.042) }', 'mediaElement.seekable');
  33                     test.done();
  34                 });
  35             }, 'Get seekable time ranges after init segment received.');
  36
  37             mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
  38             {
  39                 var initSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init);
  40                 test.expectEvent(mediaElement, 'durationchange', 'mediaElement got duration after initsegment');
  41                 sourceBuffer.appendBuffer(initSegment);
  42                 test.waitForExpectedEvents(function()
  43                 {
  44                     test.expectEvent(mediaElement, 'durationchange', 'mediaElement got infinity duration');
  45                     mediaSource.duration = Infinity;
  46                     test.waitForExpectedEvents(function()
  47                     {
  48                         assertSeekableEquals(mediaElement, '{ }', 'mediaElement.seekable');
  49
  50                         // Append a segment from the middle of the stream to make sure that seekable does not use buffered.start(0) or duration as first or last value
  51                         var midSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.media[2]);
  52                         test.expectEvent(sourceBuffer, 'update');
  53                         test.expectEvent(sourceBuffer, 'updateend');
  54                         sourceBuffer.appendBuffer(midSegment);
  55                         test.waitForExpectedEvents(function()
  56                         {
  57                             assert_equals(mediaElement.seekable.length, 1, 'mediaElement.seekable.length');
  58                             assert_equals(mediaElement.buffered.length, 1, 'mediaElement.buffered.length');
  59                             assert_not_equals(mediaElement.seekable.start(0), mediaElement.buffered.start(0));
  60                             assert_equals(mediaElement.seekable.start(0), 0);
  61                             assert_not_equals(mediaElement.seekable.end(0), mediaElement.duration);
  62                             assert_not_equals(mediaElement.seekable.end(0), mediaElement.buffered.start(0));
  63                             assert_equals(mediaElement.seekable.end(0), mediaElement.buffered.end(0));
  64                             test.done();
  65                         });
  66                     });
  67                 });
  68             }, 'Get seekable time ranges on an infinite stream.');
  69         </script>
  70     </body>
  71 </html>