third_party/WebKit/LayoutTests/http/tests/media/media-source/mediasource-sourcebuffer-mode.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
   8         <link rel='stylesheet' href='/w3c/resources/testharness.css'>
   9     </head>
  10     <body>
  11         <div id="log"></div>
  12         <script>
  13           mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
  14           {
  15               assert_equals(sourceBuffer.mode, 'segments', 'default append mode should be \'segments\'');
  16               test.done();
  17           }, 'Test initial value of SourceBuffer.mode is "segments"');
  18
  19           mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
  20           {
  21               sourceBuffer.mode = 'sequence';
  22               assert_equals(sourceBuffer.mode, 'sequence', 'mode after setting it to \'sequence\'');
  23
  24               // Setting a mode that is not in AppendMode IDL enum should be ignored and not cause exception.
  25               sourceBuffer.mode = 'invalidmode';
  26               sourceBuffer.mode = null;
  27               sourceBuffer.mode = '';
  28               sourceBuffer.mode = 'Segments';
  29               assert_equals(sourceBuffer.mode, 'sequence', 'mode unchanged by attempts to set invalid modes');
  30
  31               sourceBuffer.mode = 'segments';
  32               assert_equals(sourceBuffer.mode, 'segments', 'mode after setting it to \'segments\'');
  33               test.done();
  34           }, 'Test setting SourceBuffer.mode');
  35
  36           mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
  37           {
  38               mediaSource.removeSourceBuffer(sourceBuffer);
  39               assert_throws('InvalidStateError',
  40                   function() { sourceBuffer.mode = 'segments'; },
  41                   'Setting valid sourceBuffer.mode on removed SourceBuffer should throw InvalidStateError.');
  42               test.done();
  43           }, 'Test setting a removed SourceBuffer\'s mode');
  44
  45           mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
  46           {
  47               sourceBuffer.appendBuffer(mediaData);
  48               assert_true(sourceBuffer.updating, 'updating attribute is true');
  49               assert_throws('InvalidStateError',
  50                   function() { sourceBuffer.mode = 'segments'; },
  51                   'Setting valid sourceBuffer.mode on updating SourceBuffer threw InvalidStateError.');
  52               test.done();
  53           }, 'Test setting SourceBuffer.mode while still updating');
  54
  55           mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
  56           {
  57               test.expectEvent(sourceBuffer, 'updateend', 'Append ended.');
  58               sourceBuffer.appendBuffer(mediaData);
  59
  60               test.waitForExpectedEvents(function()
  61               {
  62                   assert_false(sourceBuffer.updating, 'updating attribute is false');
  63
  64                   test.expectEvent(mediaSource, 'sourceended', 'MediaSource sourceended event');
  65                   mediaSource.endOfStream();
  66                   assert_equals(mediaSource.readyState, 'ended', 'MediaSource readyState is \'ended\'');
  67               });
  68
  69               test.waitForExpectedEvents(function()
  70               {
  71                   assert_equals(mediaSource.readyState, 'ended', 'MediaSource readyState is \'ended\'');
  72
  73                   test.expectEvent(mediaSource, 'sourceopen', 'MediaSource sourceopen event');
  74                   sourceBuffer.mode = 'segments';
  75
  76                   assert_equals(mediaSource.readyState, 'open', 'MediaSource readyState is \'open\'');
  77               });
  78
  79               test.waitForExpectedEvents(function()
  80               {
  81                   assert_equals(mediaSource.readyState, 'open', 'MediaSource readyState is \'open\'');
  82                   test.done();
  83               });
  84           }, 'Test setting SourceBuffer.mode triggers parent MediaSource \'ended\' to \'open\' transition.');
  85
  86           mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
  87           {
  88               var initSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init);
  89               var fullMediaSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.media[0]);
  90               var truncateAt = Math.floor(segmentInfo.media[0].size * 0.5);  // Pick first 50% of segment bytes.
  91               var partialMediaSegment = fullMediaSegment.subarray(0, truncateAt);
  92               var mediaSegmentRemainder = fullMediaSegment.subarray(truncateAt);
  93
  94               // Append init segment.
  95               test.expectEvent(sourceBuffer, 'updateend', 'Init segment append ended.');
  96               sourceBuffer.appendBuffer(initSegment);
  97
  98               test.waitForExpectedEvents(function()
  99               {
 100                   assert_false(sourceBuffer.updating, 'updating attribute is false');
 101                   assert_equals(sourceBuffer.mode, 'segments');
 102                   sourceBuffer.mode = 'segments';  // No exception should occur.
 103                   assert_equals(sourceBuffer.timestampOffset, 0.0);
 104                   sourceBuffer.timestampOffset = 10.123456789;  // No exception should occur.
 105                   assert_equals(sourceBuffer.timestampOffset, 10.123456789);  // Super-precise offsets should round-trip.
 106
 107                   // Append first part of media segment.
 108                   test.expectEvent(sourceBuffer, 'updateend', 'Partial media segment append ended.');
 109                   sourceBuffer.appendBuffer(partialMediaSegment);
 110               });
 111
 112               test.waitForExpectedEvents(function()
 113               {
 114                   assert_false(sourceBuffer.updating, 'updating attribute is false');
 115                   assert_equals(sourceBuffer.mode, 'segments');
 116                   assert_throws('InvalidStateError',
 117                       function() { sourceBuffer.mode = 'segments'; },
 118                       'Setting valid sourceBuffer.mode while still parsing media segment threw InvalidStateError.');
 119                   assert_equals(sourceBuffer.timestampOffset, 10.123456789);
 120                   assert_throws('InvalidStateError',
 121                       function() { sourceBuffer.timestampOffset = 20.0; },
 122                       'Setting valid sourceBuffer.timestampOffset while still parsing media segment threw InvalidStateError.');
 123
 124                   // Append remainder of media segment.
 125                   test.expectEvent(sourceBuffer, 'updateend', 'Append ended of remainder of media segment.');
 126                   sourceBuffer.appendBuffer(mediaSegmentRemainder);
 127               });
 128
 129               test.waitForExpectedEvents(function()
 130               {
 131                   assert_false(sourceBuffer.updating, 'updating attribute is false');
 132                   assert_equals(sourceBuffer.mode, 'segments');
 133                   sourceBuffer.mode = 'segments';  // No exception should occur.
 134                   assert_equals(sourceBuffer.timestampOffset, 10.123456789);
 135                   sourceBuffer.timestampOffset = 20.0;  // No exception should occur.
 136                   test.done();
 137               });
 138           }, 'Test setting SourceBuffer.mode and SourceBuffer.timestampOffset while parsing media segment.');
 139
 140           // FIXME: Once 'sequence' mode implemented, add verification. See http://crbug.com/249422.
 141         </script>
 142     </body>
 143 </html>