third_party/WebKit/LayoutTests/http/tests/media/media-source/mediasource-timestamp-offset.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           function simpleTimestampOffsetTest(value, expected, description)
  13           {
  14               mediasource_test(function(test, mediaElement, mediaSource)
  15               {
  16                   var segmentInfo = MediaSourceUtil.SEGMENT_INFO;
  17                   var sourceBuffer = mediaSource.addSourceBuffer(segmentInfo.type);
  18
  19                   if (expected == 'TypeError')  {
  20                       assert_throws({name: 'TypeError'},
  21                           function() { sourceBuffer.timestampOffset = value; },
  22                           'setting timestampOffset to ' + description + ' throws an exception.');
  23                   } else {
  24                       sourceBuffer.timestampOffset = value;
  25                       assert_equals(sourceBuffer.timestampOffset, expected);
  26                   }
  27
  28                   test.done();
  29               }, 'Test setting SourceBuffer.timestampOffset to ' + description + '.');
  30           }
  31
  32           simpleTimestampOffsetTest(10.5, 10.5, 'a positive number');
  33           simpleTimestampOffsetTest(-10.4, -10.4, 'a negative number');
  34           simpleTimestampOffsetTest(0, 0, 'zero');
  35           simpleTimestampOffsetTest(Number.POSITIVE_INFINITY, 'TypeError', 'positive infinity');
  36           simpleTimestampOffsetTest(Number.NEGATIVE_INFINITY, 'TypeError', 'negative infinity');
  37           simpleTimestampOffsetTest(Number.NaN, 'TypeError', 'NaN');
  38           simpleTimestampOffsetTest(undefined, 'TypeError', 'undefined');
  39           simpleTimestampOffsetTest(null, 0, 'null');
  40           simpleTimestampOffsetTest(false, 0, 'false');
  41           simpleTimestampOffsetTest(true, 1, 'true');
  42           simpleTimestampOffsetTest('10.5', 10.5, 'a number string');
  43           simpleTimestampOffsetTest('', 0, 'an empty string');
  44
  45           mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
  46           {
  47               var initSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init);
  48               var mediaSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.media[0]);
  49
  50               test.expectEvent(sourceBuffer, "updateend", "initSegment append ended.");
  51               sourceBuffer.appendBuffer(initSegment);
  52
  53               test.waitForExpectedEvents(function()
  54               {
  55                   test.expectEvent(sourceBuffer, "updateend", "mediaSegment append ended.");
  56                   sourceBuffer.appendBuffer(mediaSegment);
  57               });
  58
  59               test.waitForExpectedEvents(function()
  60               {
  61                   mediaSource.endOfStream();
  62
  63                   assert_equals(mediaSource.readyState, "ended");
  64
  65                   mediaSource.sourceBuffers[0].timestampOffset = 2;
  66
  67                   assert_equals(mediaSource.readyState, "open");
  68
  69                   test.expectEvent(mediaSource, "sourceopen", "mediaSource fired 'sourceopen' event.");
  70               });
  71
  72               test.waitForExpectedEvents(function()
  73               {
  74                   test.done();
  75               });
  76           }, "Test setting timestampOffset in 'ended' state causes a transition to 'open'.");
  77
  78           mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
  79           {
  80               var initSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init);
  81               var mediaSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.media[0]);
  82
  83               test.expectEvent(sourceBuffer, "updateend", "initSegment append ended.");
  84               sourceBuffer.appendBuffer(initSegment);
  85               assert_equals(mediaSource.sourceBuffers[0].timestampOffset, 0, "read initial value");
  86
  87               test.waitForExpectedEvents(function()
  88               {
  89                   test.expectEvent(sourceBuffer, "updateend", "mediaSegment append ended.");
  90                   sourceBuffer.appendBuffer(mediaSegment);
  91                   assert_equals(mediaSource.sourceBuffers[0].timestampOffset, 0,
  92                       "No change to timestampoffset after segments mode init segment append");
  93               });
  94
  95               test.waitForExpectedEvents(function()
  96               {
  97                   assert_equals(mediaSource.sourceBuffers[0].timestampOffset, 0,
  98                       "No change to timestampoffset after segments mode media segment append");
  99                   test.done();
 100               });
 101           }, "Test getting the initial value of timestampOffset.");
 102
 103           mediasource_test(function(test, mediaElement, mediaSource)
 104           {
 105               var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_VIDEO_TYPE);
 106               assert_true(sourceBuffer != null, "New SourceBuffer returned");
 107
 108               // FIXME: verify activeSourceBuffers is empty before removeSourceBuffer as well.
 109
 110               mediaSource.removeSourceBuffer(sourceBuffer);
 111               assert_true(mediaSource.sourceBuffers.length == 0, "MediaSource.sourceBuffers is empty");
 112               assert_true(mediaSource.activeSourceBuffers.length == 0, "MediaSource.activesourceBuffers is empty");
 113
 114               assert_throws("InvalidStateError", function()
 115               {
 116                   sourceBuffer.timestampOffset = 10;
 117               });
 118
 119               test.done();
 120           }, "Test setting timestampoffset after removing the sourcebuffer.");
 121         </script>
 122     </body>
 123 </html>