mediasource-seek-beyond-duration.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /media-source/mediasource-seek-beyond-duration.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). -->

<html>

    <head>

        <title>Test MediaSource behavior when seeking beyond the duration of the clip.</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 seekToSpecifiedTimeSetEOSAndVerifyDone(test, mediaElement, mediaSource, seekToTime)

                assert_less_than(mediaElement.currentTime, mediaElement.duration, 'Not at the end yet.');

                test.expectEvent(mediaElement, 'seeking', 'mediaElement seeking');

                // Seek to specified time.

                mediaElement.currentTime = seekToTime;

                if (seekToTime >= mediaSource.duration) {

                    assert_equals(mediaElement.currentTime, mediaSource.duration, 'Current time equals duration.');

                } else {

                    assert_equals(mediaElement.currentTime, seekToTime, 'Current time equals specified seek time.');

                test.waitForExpectedEvents(function()

                    test.expectEvent(mediaElement, 'timeupdate', 'mediaElement time updated.');

                    test.expectEvent(mediaElement, 'seeked', 'mediaElement seeked');

                    test.expectEvent(mediaElement, 'ended', 'mediaElement ended.');

                    test.expectEvent(mediaSource, 'sourceended', 'mediaSource ended.');

                    mediaSource.endOfStream();

                    assert_true(mediaElement.seeking, 'mediaElement seeking.');

});

                test.waitForExpectedEvents(function()

                    assert_equals(mediaElement.currentTime, mediaSource.duration, 'Current time equals duration.');

                    test.done();

});

};

            mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)

                mediaElement.play();

                var initSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init);

                // Append the initialization segment to trigger a transition to HAVE_METADATA.

                test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer end update.');

                test.expectEvent(mediaElement, 'loadedmetadata', 'Reached HAVE_METADATA');

                sourceBuffer.appendBuffer(initSegment);

                test.waitForExpectedEvents(function()

                    // Add sufficient segments to have at least 2s of play-time.

                    var playbackData = MediaSourceUtil.getMediaDataForPlaybackTime(mediaData, segmentInfo, 2.0);

                    test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer');

                    test.expectEvent(mediaElement, 'playing', 'Playing media.');

                    sourceBuffer.appendBuffer(playbackData);

});

                test.waitForExpectedEvents(function()

                    assert_equals(mediaElement.duration, segmentInfo.duration);

                    assert_greater_than_equal(mediaElement.duration, 2.0, 'Duration is >2.0s.');

                    test.expectEvent(sourceBuffer, "updateend");

                    sourceBuffer.remove(1.5, Infinity);

                    assert_true(sourceBuffer.updating, "updating");

});

                test.waitForExpectedEvents(function()

                    assert_false(sourceBuffer.updating, "updating");

                    test.waitForCurrentTimeChange(mediaElement, function()

                        // Update duration.

                        mediaSource.duration = 1.5;

                        seekToSpecifiedTimeSetEOSAndVerifyDone(test, mediaElement, mediaSource, 1.8);

});

});

            }, 'Test seeking beyond updated media duration.');

            mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)

                mediaElement.play();

                // Append all media data for complete playback.

                test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer end update.');

                test.expectEvent(mediaElement, 'loadedmetadata', 'Reached HAVE_METADATA');

                test.expectEvent(mediaElement, 'playing', 'Playing media.');

                sourceBuffer.appendBuffer(mediaData);

                test.waitForExpectedEvents(function()

                    test.waitForCurrentTimeChange(mediaElement, function()

                        seekToSpecifiedTimeSetEOSAndVerifyDone(test, mediaElement, mediaSource, mediaSource.duration, mediaSource.duration + 0.1);

});

});

            }, 'Test seeking beyond media duration.');

        </script>

    </body>

</html>