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<!DOCTYPE html>
<!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). -->
<meta charset="utf-8">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="mediasource-util.js"></script>
<script>
function sourceBufferTrackDefaultsTest(callback, description)
{
mediasource_test(function(test, mediaElement, mediaSource)
{
var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_VIDEO_TYPE);
assert_array_equals(sourceBuffer.trackDefaults, [], "Empty initial SourceBuffer.trackDefaults");
callback(test, mediaElement, mediaSource, sourceBuffer);
}, description);
};
sourceBufferTrackDefaultsTest(function(test, mediaElement, mediaSource, sourceBuffer)
{
var emptyList = new TrackDefaultList([]);
assert_not_equals(sourceBuffer.trackDefaults, emptyList, "Initial trackDefaults object differs from new empty list");
sourceBuffer.trackDefaults = emptyList;
assert_array_equals(sourceBuffer.trackDefaults, [], "Round-tripped empty trackDefaults");
assert_equals(sourceBuffer.trackDefaults, emptyList, "Round-tripped the empty TrackDefaultList object");
test.done();
}, "Test round-trip of empty SourceBuffer.trackDefaults");
sourceBufferTrackDefaultsTest(function(test, mediaElement, mediaSource, sourceBuffer)
{
var trackDefault = new TrackDefault("audio", "en-US", "audio label", ["main"], "1");
var trackDefaults = new TrackDefaultList([ trackDefault ]);
sourceBuffer.trackDefaults = trackDefaults;
assert_array_equals(sourceBuffer.trackDefaults, trackDefaults, "Round-tripped non-empty trackDefaults");
assert_equals(sourceBuffer.trackDefaults.length, 1, "Confirmed non-empty trackDefaults");
assert_equals(sourceBuffer.trackDefaults, trackDefaults, "Round-tripped the non-empty TrackDefaultList object");
test.done();
}, "Test round-trip of non-empty SourceBuffer.trackDefaults");
sourceBufferTrackDefaultsTest(function(test, mediaElement, mediaSource, sourceBuffer)
{
mediaSource.removeSourceBuffer(sourceBuffer);
assert_throws_dom("InvalidStateError",
function() { sourceBuffer.trackDefaults = new TrackDefaultList([]); },
"Exception thrown when setting trackDefaults on SourceBuffer that is removed from MediaSource");
test.done();
}, "Test setting trackDefaults on an already-removed SourceBuffer");
mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
{
assert_array_equals(sourceBuffer.trackDefaults, [], "Empty initial SourceBuffer.trackDefaults");
test.expectEvent(sourceBuffer, "updateend", "Append ended");
sourceBuffer.appendBuffer(mediaData);
assert_true(sourceBuffer.updating, "SourceBuffer is updating");
assert_throws_dom("InvalidStateError",
function() { sourceBuffer.trackDefaults = new TrackDefaultList([]); },
"Exception thrown when setting trackDefaults on SourceBuffer that is updating");
test.waitForExpectedEvents(function()
{
assert_false(sourceBuffer.updating, "SourceBuffer is not updating");
sourceBuffer.trackDefaults = new TrackDefaultList([]);
test.done();
});
}, "Test setting trackDefaults on a SourceBuffer that is updating");
sourceBufferTrackDefaultsTest(function(test, mediaElement, mediaSource, sourceBuffer)
{
assert_throws_js(TypeError,
function() { sourceBuffer.trackDefaults = null; },
"null should be disallowed by trackDefaults setter");
test.done();
}, "Test setting null SourceBuffer.trackDefaults");
</script>
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