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Unified Diff: LayoutTests/http/tests/media/media-source/mediasource-sequencemode-append-buffer.html

Issue 273153002: MSE: Add basic sequence AppendMode layout tests (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: s/approx_equals/ time bounds, plus some explicit equals where possible Created 6 years, 7 months ago
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Index: LayoutTests/http/tests/media/media-source/mediasource-sequencemode-append-buffer.html
diff --git a/LayoutTests/http/tests/media/media-source/mediasource-sequencemode-append-buffer.html b/LayoutTests/http/tests/media/media-source/mediasource-sequencemode-append-buffer.html
new file mode 100644
index 0000000000000000000000000000000000000000..9ef8adc799ee99d2d688bc0b00b901ac0f44876c
--- /dev/null
+++ b/LayoutTests/http/tests/media/media-source/mediasource-sequencemode-append-buffer.html
@@ -0,0 +1,129 @@
+<!DOCTYPE html>
+<html>
+ <head>
+ <script src="/w3c/resources/testharness.js"></script>
+ <script src="/w3c/resources/testharnessreport.js"></script>
+ <script src="mediasource-util.js"></script>
+ <link rel='stylesheet' href='/w3c/resources/testharness.css'>
+ </head>
+ <body>
+ <div id="log"></div>
+ <script>
+ function mediasource_sequencemode_test(testFunction, description, options)
+ {
+ return mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
+ {
+ assert_greater_than(segmentInfo.media.length, 3, 'at least 3 media segments for supported type');
+ test.failOnEvent(mediaElement, 'error');
+ sourceBuffer.mode = 'sequence';
+ assert_equals(sourceBuffer.mode, 'sequence', 'mode after setting it to \'sequence\'');
+
+ var initSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init);
+ test.expectEvent(sourceBuffer, 'updatestart', 'initSegment append started.');
+ test.expectEvent(sourceBuffer, 'update', 'initSegment append success.');
+ test.expectEvent(sourceBuffer, 'updateend', 'initSegment append ended.');
+ sourceBuffer.appendBuffer(initSegment);
+ test.waitForExpectedEvents(function()
+ {
+ assert_equals(sourceBuffer.timestampOffset, 0, 'timestampOffset initially 0');
+ testFunction(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData);
+ });
+ }, description, options);
+ }
+
+ function append_segment(test, sourceBuffer, mediaData, info, callback)
+ {
+ var mediaSegment = MediaSourceUtil.extractSegmentData(mediaData, info);
+ test.expectEvent(sourceBuffer, 'updatestart', 'media segment append started.');
+ test.expectEvent(sourceBuffer, 'update', 'media segment append success.');
+ test.expectEvent(sourceBuffer, 'updateend', 'media segment append ended.');
+ sourceBuffer.appendBuffer(mediaSegment);
+ test.waitForExpectedEvents(function() { callback(); });
acolwell GONE FROM CHROMIUM 2014/05/19 22:12:49 You can just use test.waitForExpectedEvents(callba
wolenetz 2014/05/19 22:23:03 Done.
+ }
+
+ function threeDecimalPlaces(number)
+ {
+ return Number(number.toFixed(3));
acolwell GONE FROM CHROMIUM 2014/05/19 22:12:49 Why do you need the Number()?
wolenetz 2014/05/19 22:23:03 By example: var a = 3.14159265; a.toFixed(3) == "3
+ }
+
+ // Verifies expected times to 3 decimal places before and after mediaSource.endOfStream(),
+ // and calls |callback| on success.
+ function verify_offset_and_buffered(test, mediaSource, sourceBuffer,
+ expectedTimestampOffset, expectedBufferedRangeStartTime,
+ expectedBufferedRangeMaxEndTimeBeforeEOS,
+ expectedBufferedRangeEndTimeAfterEOS,
+ callback) {
+ assert_equals(threeDecimalPlaces(sourceBuffer.timestampOffset),
+ threeDecimalPlaces(expectedTimestampOffset),
+ 'expectedTimestampOffset');
+
+ // Prior to EOS, the buffered range end time may not have fully reached the next media
+ // segment's timecode (adjusted by any timestampOffset). It should not exceed it though.
+ // Therefore, an exact assertBufferedEquals() will not work here.
+ assert_equals(sourceBuffer.buffered.length, 1, 'sourceBuffer.buffered has 1 range before EOS');
+ assert_equals(threeDecimalPlaces(sourceBuffer.buffered.start(0)),
+ threeDecimalPlaces(expectedBufferedRangeStartTime),
+ 'sourceBuffer.buffered range begins where expected before EOS');
+ assert_less_than_equal(threeDecimalPlaces(sourceBuffer.buffered.end(0)),
+ threeDecimalPlaces(expectedBufferedRangeMaxEndTimeBeforeEOS),
+ 'sourceBuffer.buffered range ends at or before expected upper bound before EOS');
+
+ test.expectEvent(mediaSource, 'sourceended', 'mediaSource endOfStream');
+ mediaSource.endOfStream();
+ test.waitForExpectedEvents(function()
+ {
+ assertBufferedEquals(sourceBuffer,
+ '{ [' + expectedBufferedRangeStartTime.toFixed(3) + ', ' + expectedBufferedRangeEndTimeAfterEOS.toFixed(3) + ') }',
+ 'sourceBuffer.buffered after EOS');
+ callback();
+ });
+ }
+
+ mediasource_sequencemode_test(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
+ {
+ assert_equals(segmentInfo.media[0].timecode, 0, 'segment starts at time 0');
+ append_segment(test, sourceBuffer, mediaData, segmentInfo.media[0], function()
+ {
+ verify_offset_and_buffered(test, mediaSource, sourceBuffer,
+ 0, 0,
+ segmentInfo.media[1].timecode /* + timestampOffset of 0 */,
acolwell GONE FROM CHROMIUM 2014/05/19 22:12:49 nit: Remove the comments. I think they are more co
wolenetz 2014/05/19 22:23:03 Done.
+ segmentInfo.media[0].highest_end_time /* + timestampOffset of 0 */,
+ test.done);
+ });
+ }, 'Test sequence AppendMode appendBuffer(first media segment)');
+
+ mediasource_sequencemode_test(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
+ {
+ assert_greater_than(segmentInfo.media[1].timecode, 0, 'segment starts after time 0');
+ append_segment(test, sourceBuffer, mediaData, segmentInfo.media[1], function()
+ {
+ verify_offset_and_buffered(test, mediaSource, sourceBuffer,
+ -segmentInfo.media[1].timecode, 0,
+ segmentInfo.media[2].timecode + sourceBuffer.timestampOffset,
+ segmentInfo.media[1].highest_end_time + sourceBuffer.timestampOffset,
+ test.done);
+ });
+ }, 'Test sequence AppendMode appendBuffer(second media segment)');
+
+ mediasource_sequencemode_test(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
+ {
+ assert_greater_than(segmentInfo.media[1].timecode, 0, 'segment starts after time 0');
+ append_segment(test, sourceBuffer, mediaData, segmentInfo.media[1], function()
+ {
+ assert_equals(segmentInfo.media[0].timecode, 0, 'segment starts at time 0');
+ append_segment(test, sourceBuffer, mediaData, segmentInfo.media[0], function()
+ {
+ // Current timestampOffset should reflect offset required to put media[0]
+ // immediately after media[1]'s highest frame end timestamp (as was adjusted
+ // by an earlier timestampOffset).
+ verify_offset_and_buffered(test, mediaSource, sourceBuffer,
+ segmentInfo.media[1].highest_end_time - segmentInfo.media[1].timecode, 0,
+ segmentInfo.media[1].timecode + sourceBuffer.timestampOffset,
+ segmentInfo.media[0].highest_end_time + sourceBuffer.timestampOffset,
+ test.done);
+ })
+ });
+ }, 'Test sequence AppendMode appendBuffer(second media segment, then first media segment)');
+ </script>
+ </body>
+</html>
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