LayoutTests/imported/w3c/web-platform-tests/media-source/mediasource-timestamp-offset.html - WebKit - Git at Google

 <!DOCTYPE html>
 <!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). -->
 <html>
     <head>
         <title>SourceBuffer.timestampOffset test cases.</title>
         <script src="/resources/testharness.js"></script>
         <script src="/resources/testharnessreport.js"></script>
         <script src="mediasource-util.js"></script>
     </head>
     <body>
         <div id="log"></div>
         <script>
           function simpleTimestampOffsetTest(value, expected, description)
           {
               mediasource_test(function(test, mediaElement, mediaSource)
               {
                   var segmentInfo = MediaSourceUtil.SEGMENT_INFO;
                   var sourceBuffer = mediaSource.addSourceBuffer(segmentInfo.type);

                   assert_equals(sourceBuffer.timestampOffset, 0,
                       "Initial timestampOffset of a SourceBuffer is 0");

                   if (expected == "TypeError")  {
                       assert_throws({name: "TypeError"},
                           function() { sourceBuffer.timestampOffset = value; },
                           "setting timestampOffset to " + description + " throws an exception.");
                   } else {
                       sourceBuffer.timestampOffset = value;
                       assert_equals(sourceBuffer.timestampOffset, expected);
                   }

                   test.done();
               }, "Test setting SourceBuffer.timestampOffset to " + description + ".");
           }

           simpleTimestampOffsetTest(10.5, 10.5, "a positive number");
           simpleTimestampOffsetTest(-10.4, -10.4, "a negative number");
           simpleTimestampOffsetTest(0, 0, "zero");
           simpleTimestampOffsetTest(Number.POSITIVE_INFINITY, "TypeError", "positive infinity");
           simpleTimestampOffsetTest(Number.NEGATIVE_INFINITY, "TypeError", "negative infinity");
           simpleTimestampOffsetTest(Number.NaN, "TypeError", "NaN");
           simpleTimestampOffsetTest(undefined, "TypeError", "undefined");
           simpleTimestampOffsetTest(null, 0, "null");
           simpleTimestampOffsetTest(false, 0, "false");
           simpleTimestampOffsetTest(true, 1, "true");
           simpleTimestampOffsetTest("10.5", 10.5, "a number string");
           simpleTimestampOffsetTest("", 0, "an empty string");

           mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
           {
               var initSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init);
               var mediaSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.media[0]);

               test.expectEvent(sourceBuffer, "updateend", "initSegment append ended.");
               sourceBuffer.appendBuffer(initSegment);

               test.waitForExpectedEvents(function()
               {
                   test.expectEvent(sourceBuffer, "updateend", "mediaSegment append ended.");
                   sourceBuffer.appendBuffer(mediaSegment);
               });

               test.waitForExpectedEvents(function()
               {
                   mediaSource.endOfStream();

                   assert_equals(mediaSource.readyState, "ended");

                   mediaSource.sourceBuffers[0].timestampOffset = 2;

                   assert_equals(mediaSource.readyState, "open");

                   test.expectEvent(mediaSource, "sourceopen", "mediaSource fired 'sourceopen' event.");
               });

               test.waitForExpectedEvents(function()
               {
                   test.done();
               });
           }, "Test setting timestampOffset in 'ended' state causes a transition to 'open'.");

           mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
           {
               var initSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init);
               var mediaSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.media[0]);

               test.expectEvent(sourceBuffer, "updateend", "initSegment append ended.");
               sourceBuffer.appendBuffer(initSegment);
               assert_equals(mediaSource.sourceBuffers[0].timestampOffset, 0, "read initial value");

               test.waitForExpectedEvents(function()
               {
                   test.expectEvent(sourceBuffer, "updateend", "mediaSegment append ended.");
                   sourceBuffer.appendBuffer(mediaSegment);
                   assert_equals(mediaSource.sourceBuffers[0].timestampOffset, 0,
                       "No change to timestampoffset after segments mode init segment append");
               });

               test.waitForExpectedEvents(function()
               {
                   assert_equals(mediaSource.sourceBuffers[0].timestampOffset, 0,
                       "No change to timestampoffset after segments mode media segment append");
                   test.done();
               });
           }, "Test getting the initial value of timestampOffset.");

           mediasource_test(function(test, mediaElement, mediaSource)
           {
               var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_VIDEO_TYPE);
               assert_true(sourceBuffer != null, "New SourceBuffer returned");

               mediaSource.removeSourceBuffer(sourceBuffer);
               assert_true(mediaSource.sourceBuffers.length == 0, "MediaSource.sourceBuffers is empty");
               assert_true(mediaSource.activeSourceBuffers.length == 0, "MediaSource.activesourceBuffers is empty");

               assert_throws("InvalidStateError", function()
               {
                   sourceBuffer.timestampOffset = 10;
               });

               test.done();
           }, "Test setting timestampoffset after removing the sourcebuffer.");
         </script>
     </body>
 </html>
	<!DOCTYPE html>
	<!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). -->
	<html>
	<head>
	<title>SourceBuffer.timestampOffset test cases.</title>
	<script src="/resources/testharness.js"></script>
	<script src="/resources/testharnessreport.js"></script>
	<script src="mediasource-util.js"></script>
	</head>
	<body>
	<div id="log"></div>
	<script>
	function simpleTimestampOffsetTest(value, expected, description)
	{
	mediasource_test(function(test, mediaElement, mediaSource)
	{
	var segmentInfo = MediaSourceUtil.SEGMENT_INFO;
	var sourceBuffer = mediaSource.addSourceBuffer(segmentInfo.type);

	assert_equals(sourceBuffer.timestampOffset, 0,
	"Initial timestampOffset of a SourceBuffer is 0");

	if (expected == "TypeError") {
	assert_throws({name: "TypeError"},
	function() { sourceBuffer.timestampOffset = value; },
	"setting timestampOffset to " + description + " throws an exception.");
	} else {
	sourceBuffer.timestampOffset = value;
	assert_equals(sourceBuffer.timestampOffset, expected);
	}

	test.done();
	}, "Test setting SourceBuffer.timestampOffset to " + description + ".");
	}

	simpleTimestampOffsetTest(10.5, 10.5, "a positive number");
	simpleTimestampOffsetTest(-10.4, -10.4, "a negative number");
	simpleTimestampOffsetTest(0, 0, "zero");
	simpleTimestampOffsetTest(Number.POSITIVE_INFINITY, "TypeError", "positive infinity");
	simpleTimestampOffsetTest(Number.NEGATIVE_INFINITY, "TypeError", "negative infinity");
	simpleTimestampOffsetTest(Number.NaN, "TypeError", "NaN");
	simpleTimestampOffsetTest(undefined, "TypeError", "undefined");
	simpleTimestampOffsetTest(null, 0, "null");
	simpleTimestampOffsetTest(false, 0, "false");
	simpleTimestampOffsetTest(true, 1, "true");
	simpleTimestampOffsetTest("10.5", 10.5, "a number string");
	simpleTimestampOffsetTest("", 0, "an empty string");

	mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
	{
	var initSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init);
	var mediaSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.media[0]);

	test.expectEvent(sourceBuffer, "updateend", "initSegment append ended.");
	sourceBuffer.appendBuffer(initSegment);

	test.waitForExpectedEvents(function()
	{
	test.expectEvent(sourceBuffer, "updateend", "mediaSegment append ended.");
	sourceBuffer.appendBuffer(mediaSegment);
	});

	test.waitForExpectedEvents(function()
	{
	mediaSource.endOfStream();

	assert_equals(mediaSource.readyState, "ended");

	mediaSource.sourceBuffers[0].timestampOffset = 2;

	assert_equals(mediaSource.readyState, "open");

	test.expectEvent(mediaSource, "sourceopen", "mediaSource fired 'sourceopen' event.");
	});

	test.waitForExpectedEvents(function()
	{
	test.done();
	});
	}, "Test setting timestampOffset in 'ended' state causes a transition to 'open'.");

	mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
	{
	var initSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init);
	var mediaSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.media[0]);

	test.expectEvent(sourceBuffer, "updateend", "initSegment append ended.");
	sourceBuffer.appendBuffer(initSegment);
	assert_equals(mediaSource.sourceBuffers[0].timestampOffset, 0, "read initial value");

	test.waitForExpectedEvents(function()
	{
	test.expectEvent(sourceBuffer, "updateend", "mediaSegment append ended.");
	sourceBuffer.appendBuffer(mediaSegment);
	assert_equals(mediaSource.sourceBuffers[0].timestampOffset, 0,
	"No change to timestampoffset after segments mode init segment append");
	});

	test.waitForExpectedEvents(function()
	{
	assert_equals(mediaSource.sourceBuffers[0].timestampOffset, 0,
	"No change to timestampoffset after segments mode media segment append");
	test.done();
	});
	}, "Test getting the initial value of timestampOffset.");

	mediasource_test(function(test, mediaElement, mediaSource)
	{
	var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_VIDEO_TYPE);
	assert_true(sourceBuffer != null, "New SourceBuffer returned");

	mediaSource.removeSourceBuffer(sourceBuffer);
	assert_true(mediaSource.sourceBuffers.length == 0, "MediaSource.sourceBuffers is empty");
	assert_true(mediaSource.activeSourceBuffers.length == 0, "MediaSource.activesourceBuffers is empty");

	assert_throws("InvalidStateError", function()
	{
	sourceBuffer.timestampOffset = 10;
	});

	test.done();
	}, "Test setting timestampoffset after removing the sourcebuffer.");
	</script>
	</body>
	</html>