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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-timestamp-offset.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>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>