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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
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testing/web-platform/tests/media-source/mediasource-removesourcebuffer.html Normal file
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<!DOCTYPE html>
<!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). -->
<html>
<head>
<title>MediaSource.removeSourceBuffer() 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>
mediasource_test(function(test, mediaElement, mediaSource)
{
var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_VIDEO_TYPE);
assert_class_string(sourceBuffer, "SourceBuffer", "New SourceBuffer returned");
mediaSource.removeSourceBuffer(sourceBuffer);
var sourceBuffer2 = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_VIDEO_TYPE);
assert_class_string(sourceBuffer2, "SourceBuffer", "New SourceBuffer returned");
assert_not_equals(sourceBuffer, sourceBuffer2, "SourceBuffers are different instances.");
assert_equals(mediaSource.sourceBuffers.length, 1, "sourceBuffers.length == 1");
test.done();
}, "Test addSourceBuffer(), removeSourceBuffer(), addSourceBuffer() sequence.");
mediasource_test(function(test, mediaElement, mediaSource)
{
assert_throws(new TypeError(),
function() { mediaSource.removeSourceBuffer(null); },
"removeSourceBuffer() threw an exception when passed null.");
test.done();
}, "Test removeSourceBuffer() with null");
mediasource_test(function(test, mediaElement, mediaSource)
{
var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_VIDEO_TYPE);
assert_class_string(sourceBuffer, "SourceBuffer", "New SourceBuffer returned");
mediaSource.removeSourceBuffer(sourceBuffer);
assert_throws("NotFoundError",
function() { mediaSource.removeSourceBuffer(sourceBuffer); },
"removeSourceBuffer() threw an exception for a SourceBuffer that was already removed.");
test.done();
}, "Test calling removeSourceBuffer() twice with the same object.");
mediasource_test(function(test, mediaElement1, mediaSource1)
{
var sourceBuffer1 = mediaSource1.addSourceBuffer(MediaSourceUtil.AUDIO_ONLY_TYPE);
assert_class_string(sourceBuffer1, "SourceBuffer", "New SourceBuffer returned");
var mediaElement2 = document.createElement("video");
document.body.appendChild(mediaElement2);
test.add_cleanup(function() { document.body.removeChild(mediaElement2); });
var mediaSource2 = new MediaSource();
var mediaSource2URL = URL.createObjectURL(mediaSource2);
mediaElement2.src = mediaSource2URL;
test.expectEvent(mediaSource2, "sourceopen", "Second MediaSource opened");
test.waitForExpectedEvents(function()
{
URL.revokeObjectURL(mediaSource2URL);
var sourceBuffer2 = mediaSource2.addSourceBuffer(MediaSourceUtil.VIDEO_ONLY_TYPE);
assert_class_string(sourceBuffer2, "SourceBuffer", "Second new SourceBuffer returned");
assert_not_equals(mediaSource1, mediaSource2, "MediaSources are different instances");
assert_not_equals(sourceBuffer1, sourceBuffer2, "SourceBuffers are different instances");
assert_equals(mediaSource1.sourceBuffers[0], sourceBuffer1);
assert_equals(mediaSource2.sourceBuffers[0], sourceBuffer2);
assert_throws("NotFoundError",
function() { mediaSource1.removeSourceBuffer(sourceBuffer2); },
"MediaSource1.removeSourceBuffer() threw an exception for SourceBuffer2");
assert_throws("NotFoundError",
function() { mediaSource2.removeSourceBuffer(sourceBuffer1); },
"MediaSource2.removeSourceBuffer() threw an exception for SourceBuffer1");
mediaSource1.removeSourceBuffer(sourceBuffer1);
mediaSource2.removeSourceBuffer(sourceBuffer2);
test.done();
});
}, "Test calling removeSourceBuffer() for a sourceBuffer belonging to a different mediaSource instance.");
mediasource_test(function(test, mediaElement, mediaSource)
{
var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_VIDEO_TYPE);
assert_class_string(sourceBuffer, "SourceBuffer", "New SourceBuffer returned");
mediaSource.endOfStream();
assert_equals(mediaSource.readyState, "ended", "MediaSource in ended state");
mediaSource.removeSourceBuffer(sourceBuffer);
assert_equals(mediaSource.sourceBuffers.length, 0, "MediaSource.sourceBuffers is empty");
assert_equals(mediaSource.activeSourceBuffers.length, 0, "MediaSource.activesourceBuffers is empty");
test.done();
}, "Test calling removeSourceBuffer() in ended state.");
mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
{
var initSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init);
test.expectEvent(sourceBuffer, "updateend", "initSegment append ended.");
test.expectEvent(mediaElement, "loadedmetadata", "loadedmetadata done.");
sourceBuffer.appendBuffer(initSegment);
test.waitForExpectedEvents(function()
{
assert_equals(mediaSource.sourceBuffers.length, 1, "MediaSource.sourceBuffers is not empty");
assert_equals(mediaSource.activeSourceBuffers.length, 1, "MediaSource.activesourceBuffers is not empty");
assert_equals(mediaElement.readyState, mediaElement.HAVE_METADATA);
assert_equals(mediaSource.duration, segmentInfo.duration);
test.expectEvent(mediaSource.activeSourceBuffers, "removesourcebuffer", "SourceBuffer removed from activeSourceBuffers.");
test.expectEvent(mediaSource.sourceBuffers, "removesourcebuffer", "SourceBuffer removed.");
mediaSource.removeSourceBuffer(sourceBuffer);
});
test.waitForExpectedEvents(function()
{
assert_equals(mediaSource.sourceBuffers.length, 0, "MediaSource.sourceBuffers is empty");
assert_equals(mediaSource.activeSourceBuffers.length, 0, "MediaSource.activesourceBuffers is empty");
test.done();
});
}, "Test removesourcebuffer event on activeSourceBuffers.");
mediasource_test(function(test, mediaElement, mediaSource)
{
mediaElement.addEventListener('error', test.unreached_func("Unexpected event 'error'"));
var mimetype = MediaSourceUtil.AUDIO_VIDEO_TYPE;
var sourceBuffer = mediaSource.addSourceBuffer(mimetype);
sourceBuffer.appendBuffer(new Uint8Array(0));
assert_true(sourceBuffer.updating, "Updating flag set when a buffer is appended.");
test.expectEvent(sourceBuffer, 'abort');
test.expectEvent(sourceBuffer, 'updateend');
mediaSource.removeSourceBuffer(sourceBuffer);
assert_false(sourceBuffer.updating, "Updating flag reset after abort.");
test.waitForExpectedEvents(function()
{
test.done();
});
}, "Test abort event when removeSourceBuffer() called while SourceBuffer is updating");
</script>
</body>
</html>