testing/web-platform/tests/media-source/mediasource-detach.html

   1 <!DOCTYPE html>
   2 <!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). -->
   3 <meta charset="utf-8">
   4 <script src="/resources/testharness.js"></script>
   5 <script src="/resources/testharnessreport.js"></script>
   6 <script src="mediasource-util.js"></script>
   7 <script>
   8     function mediasource_detach_test(testFunction, description)
   9     {
  10         mediasource_test(function(test, mediaElement, mediaSource)
  11         {
  12             var segmentInfo = MediaSourceUtil.SEGMENT_INFO;
  13             var sourceBuffer = mediaSource.addSourceBuffer(segmentInfo.type);
  14
  15             assert_equals(mediaElement.readyState, HTMLMediaElement.HAVE_NOTHING);
  16             assert_equals(mediaSource.readyState, 'open');
  17
  18             mediaSource.addEventListener('sourceclose', test.step_func(function (event)
  19             {
  20                 assert_equals(mediaSource.sourceBuffers.length, 0, 'sourceBuffers is empty');
  21                 assert_equals(mediaSource.activeSourceBuffers.length, 0, 'activeSourceBuffers is empty');
  22                 assert_equals(mediaSource.readyState, 'closed', 'readyState is "closed"');
  23                 assert_true(Number.isNaN(mediaSource.duration), 'duration is NaN');
  24                 test.done();
  25             }));
  26
  27             MediaSourceUtil.loadBinaryData(test, segmentInfo.url, function(mediaData)
  28             {
  29                 testFunction(test, mediaElement, mediaSource, sourceBuffer, mediaData);
  30             });
  31         }, description);
  32     }
  33
  34     mediasource_detach_test(function(test, mediaElement, mediaSource, sourceBuffer, mediaData)
  35     {
  36         mediaElement.load();
  37     }, 'Test media.load() before appending data will trigger MediaSource detaching from a media element.');
  38
  39     mediasource_detach_test(function(test, mediaElement, mediaSource, sourceBuffer, mediaData)
  40     {
  41         sourceBuffer.addEventListener('updateend', test.step_func(function (event)
  42         {
  43             assert_greater_than(mediaElement.readyState, HTMLMediaElement.HAVE_NOTHING, 'media readyState is greater than "HAVE_NOTHING"')
  44             assert_false(sourceBuffer.updating, 'updating attribute is false');
  45             mediaElement.load();
  46         }));
  47
  48         sourceBuffer.appendBuffer(mediaData);
  49     }, 'Test media.load() after appending data will trigger MediaSource detaching from a media element.');
  50 </script>