src/third_party/web_platform_tests/media-source/SourceBuffer-abort.html - cobalt - Git at Google

 <!doctype html>
 <html>
 <head>
   <meta charset='utf-8'>
   <title>Check the values of appendWindowStart and appendWindowEnd after abort()</title>
   <script src="/resources/testharness.js"></script>
   <script src="/resources/testharnessreport.js"></script>
 </head>
 <body>
 <div id="log"></div>

 <script>
 var mimes = ['video/webm; codecs="vorbis,vp8"', 'video/mp4'];

 mimes.forEach(function(mime) {
     async_test(function() {
         assert_true(MediaSource.isTypeSupported(mime),
                     "Browser doesn't support the MIME used in this test: " + mime);

         var mediaSource = new MediaSource();
         mediaSource.addEventListener('sourceopen', this.step_func_done(function(e) {
             var sourceBuffer = mediaSource.addSourceBuffer(mime);
             sourceBuffer.abort();
             assert_equals(sourceBuffer.appendWindowStart, 0);
             assert_equals(sourceBuffer.appendWindowEnd, Number.POSITIVE_INFINITY);
         }));

         var video = document.createElement('video');
         video.src = window.URL.createObjectURL(mediaSource);
     }, 'SourceBuffer#abort() (' + mime + '): Check the values of appendWindowStart and appendWindowEnd.');
 });
 </script>
 </body>
 </html>
	<!doctype html>
	<html>
	<head>
	<meta charset='utf-8'>
	<title>Check the values of appendWindowStart and appendWindowEnd after abort()</title>
	<script src="/resources/testharness.js"></script>
	<script src="/resources/testharnessreport.js"></script>
	</head>
	<body>
	<div id="log"></div>

	<script>
	var mimes = ['video/webm; codecs="vorbis,vp8"', 'video/mp4'];

	mimes.forEach(function(mime) {
	async_test(function() {
	assert_true(MediaSource.isTypeSupported(mime),
	"Browser doesn't support the MIME used in this test: " + mime);

	var mediaSource = new MediaSource();
	mediaSource.addEventListener('sourceopen', this.step_func_done(function(e) {
	var sourceBuffer = mediaSource.addSourceBuffer(mime);
	sourceBuffer.abort();
	assert_equals(sourceBuffer.appendWindowStart, 0);
	assert_equals(sourceBuffer.appendWindowEnd, Number.POSITIVE_INFINITY);
	}));

	var video = document.createElement('video');
	video.src = window.URL.createObjectURL(mediaSource);
	}, 'SourceBuffer#abort() (' + mime + '): Check the values of appendWindowStart and appendWindowEnd.');
	});
	</script>
	</body>
	</html>