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<!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). -->
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<head>
<title>SourceBufferList 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 verifySourceBufferLists(mediaSource, expected)
{
assert_equals(mediaSource.sourceBuffers.length, expected.length, "sourceBuffers length");
assert_equals(mediaSource.activeSourceBuffers.length, 0, "activeSourceBuffers length");
for (var i = 0; i < expected.length; ++i) {
assert_equals(mediaSource.sourceBuffers[i], expected[i], "Verifying mediaSource.sourceBuffers[" + i + "]");
}
assert_equals(mediaSource.sourceBuffers[expected.length], undefined,
"If index is greater than or equal to the length attribute then return undefined.");
}
mediasource_test(function(test, mediaElement, mediaSource)
{
var sourceBufferA = mediaSource.addSourceBuffer(MediaSourceUtil.VIDEO_ONLY_TYPE);
verifySourceBufferLists(mediaSource, [sourceBufferA]);
var sourceBufferB = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_ONLY_TYPE);
verifySourceBufferLists(mediaSource, [sourceBufferA, sourceBufferB]);
test.done();
}, "Test SourceBufferList getter method");
mediasource_test(function(test, mediaElement, mediaSource)
{
test.expectEvent(mediaSource.sourceBuffers, "addsourcebuffer", "sourceBuffers");
var sourceBufferA = mediaSource.addSourceBuffer(MediaSourceUtil.VIDEO_ONLY_TYPE);
var sourceBufferB = null;
test.waitForExpectedEvents(function()
{
test.expectEvent(mediaSource.sourceBuffers, "addsourcebuffer", "sourceBuffers");
sourceBufferB = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_ONLY_TYPE);
verifySourceBufferLists(mediaSource, [sourceBufferA, sourceBufferB]);
});
test.waitForExpectedEvents(function()
{
test.expectEvent(mediaSource.sourceBuffers, "removesourcebuffer", "sourceBuffers");
mediaSource.removeSourceBuffer(sourceBufferA);
verifySourceBufferLists(mediaSource, [sourceBufferB]);
test.expectEvent(mediaSource.sourceBuffers, "addsourcebuffer", "sourceBuffers");
sourceBufferA = mediaSource.addSourceBuffer(MediaSourceUtil.VIDEO_ONLY_TYPE);
verifySourceBufferLists(mediaSource, [sourceBufferB, sourceBufferA]);
});
test.waitForExpectedEvents(function()
{
test.done();
});
}, "Test SourceBufferList event dispatching.");
mediasource_test(function(test, mediaElement, mediaSource)
{
test.expectEvent(mediaSource.sourceBuffers, "addsourcebuffer", "sourceBuffers");
test.expectEvent(mediaSource.sourceBuffers, "addsourcebuffer", "sourceBuffers");
var sourceBufferA = mediaSource.addSourceBuffer(MediaSourceUtil.VIDEO_ONLY_TYPE);
var sourceBufferB = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_ONLY_TYPE);
verifySourceBufferLists(mediaSource, [sourceBufferA, sourceBufferB]);
test.waitForExpectedEvents(function()
{
verifySourceBufferLists(mediaSource, [sourceBufferA, sourceBufferB]);
// Force the media element to close the MediaSource object.
test.expectEvent(mediaSource.sourceBuffers, "removesourcebuffer", "sourceBuffers");
test.expectEvent(mediaSource, "sourceclose", "mediaSource closing");
mediaElement.src = "";
});
test.waitForExpectedEvents(function()
{
assert_equals(mediaSource.readyState, "closed", "mediaSource is closed.");
verifySourceBufferLists(mediaSource, []);
test.done();
});
}, "Test that only 1 removesourcebuffer event fires on each SourceBufferList when the MediaSource closes.");
</script>
</body>
</html>