mediasource-sourcebuffer-trackdefaults.html

Enable keyboard shortcuts

This test has a WPT meta file that expects 5 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /media-source/mediasource-sourcebuffer-trackdefaults.html - WPT Dashboard Interop Dashboard

<!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>