third_party/WebKit/LayoutTests/http/tests/media/media-source/mediasource-seek-beyond-duration.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             function seekToSpecifiedTimeSetEOSAndVerifyDone(test, mediaElement, mediaSource, seekToTime)
  14             {
  15                 assert_less_than(mediaElement.currentTime, mediaElement.duration, 'Not at the end yet.');
  16                 test.expectEvent(mediaElement, 'seeking', 'mediaElement seeking');
  17                 // Seek to specified time.
  18                 mediaElement.currentTime = seekToTime;
  19                 if (seekToTime >= mediaSource.duration) {
  20                     assert_equals(mediaElement.currentTime, mediaSource.duration, 'Current time equals duration.');
  21                 } else {
  22                     assert_equals(mediaElement.currentTime, seekToTime, 'Current time equals specified seek time.');
  23                 }
  24
  25                 test.waitForExpectedEvents(function()
  26                 {
  27                     test.expectEvent(mediaElement, 'timeupdate', 'mediaElement time updated.');
  28                     test.expectEvent(mediaElement, 'seeked', 'mediaElement seeked');
  29                     test.expectEvent(mediaElement, 'ended', 'mediaElement ended.');
  30                     test.expectEvent(mediaSource, 'sourceended', 'mediaSource ended.');
  31                     mediaSource.endOfStream();
  32                     assert_true(mediaElement.seeking, 'mediaElement seeking.');
  33                 });
  34
  35                 test.waitForExpectedEvents(function()
  36                 {
  37                     assert_equals(mediaElement.currentTime, mediaSource.duration, 'Current time equals duration.');
  38                     test.done();
  39                 });
  40             };
  41
  42             mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
  43             {
  44                 mediaElement.play();
  45                 var initSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init);
  46
  47                 // Append the initialization segment to trigger a transition to HAVE_METADATA.
  48                 test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer end update.');
  49                 test.expectEvent(mediaElement, 'loadedmetadata', 'Reached HAVE_METADATA');
  50                 sourceBuffer.appendBuffer(initSegment);
  51
  52                 test.waitForExpectedEvents(function()
  53                 {
  54                     // Add sufficient segments to have at least 2s of play-time.
  55                     var playbackData = MediaSourceUtil.getMediaDataForPlaybackTime(mediaData, segmentInfo, 2.0);
  56                     test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer');
  57                     test.expectEvent(mediaElement, 'playing', 'Playing media.');
  58                     sourceBuffer.appendBuffer(playbackData);
  59                 });
  60
  61                 test.waitForExpectedEvents(function()
  62                 {
  63                     assert_equals(mediaElement.duration, segmentInfo.durationInInitSegment);
  64                     assert_greater_than_equal(mediaElement.duration, 2.0, 'Duration is >2.0s.');
  65                     test.waitForCurrentTimeChange(mediaElement, function()
  66                     {
  67                         // Update duration.
  68                         mediaSource.duration = 1.5;
  69                         seekToSpecifiedTimeSetEOSAndVerifyDone(test, mediaElement, mediaSource, 1.8);
  70                     });
  71                 });
  72             }, 'Test seeking beyond updated media duration.');
  73
  74             mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
  75             {
  76                 mediaElement.play();
  77
  78                 // Append all media data for complete playback.
  79                 test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer end update.');
  80                 test.expectEvent(mediaElement, 'loadedmetadata', 'Reached HAVE_METADATA');
  81                 test.expectEvent(mediaElement, 'playing', 'Playing media.');
  82                 sourceBuffer.appendBuffer(mediaData);
  83
  84                 test.waitForExpectedEvents(function()
  85                 {
  86                     test.waitForCurrentTimeChange(mediaElement, function()
  87                     {
  88                         seekToSpecifiedTimeSetEOSAndVerifyDone(test, mediaElement, mediaSource, mediaSource.duration, mediaSource.duration + 0.1);
  89                     });
  90                 });
  91
  92             }, 'Test seeking beyond media duration.');
  93         </script>
  94     </body>
  95 </html>