[Webkit-unassigned] [Bug 242212] New: [ Mac WK2 ] media/media-source/media-webm-vorbis-partial.html is a constant text failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=242212

            Bug ID: 242212
           Summary: [ Mac WK2 ]
                    media/media-source/media-webm-vorbis-partial.html is a
                    constant text failure
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: hhjalmarsson at apple.com

media/media-source/media-webm-vorbis-partial.html

Is a constant text failure on Monterey WK2.

HISTORY:
https://results.webkit.org/?suite=layout-tests&test=media%2Fmedia-source%2Fmedia-webm-vorbis-partial.html

DIFF:
--- /Volumes/Data/worker/Apple-Monterey-Release-AppleSilicon-WK2-Tests/build/layout-test-results/media/media-source/media-webm-vorbis-partial-expected.txt
+++ /Volumes/Data/worker/Apple-Monterey-Release-AppleSilicon-WK2-Tests/build/layout-test-results/media/media-source/media-webm-vorbis-partial-actual.txt
@@ -2,21 +2,9 @@
 RUN(video.src = URL.createObjectURL(source))
 EVENT(sourceopen)
 RUN(sourceBuffer = source.addSourceBuffer(loader.type()))
+NotSupportedError: The operation is not supported.
 RUN(sourceBuffer.appendBuffer(loader.initSegment()))
-EVENT(update)
-Divide the first media segment in two.
-RUN(partial1 = loader.mediaSegment(0).slice(0, loader.mediaSegment(0).byteLength / 2))
-RUN(partial2 = loader.mediaSegment(0).slice(loader.mediaSegment(0).byteLength / 2))
-Append a partial media segment.
-RUN(sourceBuffer.appendBuffer(partial1))
-EVENT(update)
-EXPECTED (sourceBuffer.buffered.length == '1') OK
-EXPECTED (sourceBuffer.buffered.end(0).toFixed(2) == '0.64') OK
-Complete the partial media segment.
-RUN(sourceBuffer.appendBuffer(partial2))
-EVENT(update)
-EXPECTED (sourceBuffer.buffered.length == '1') OK
-EXPECTED (sourceBuffer.buffered.end(0).toFixed(2) == '1.34') OK
-EXPECTED (sourceBuffer.buffered.end(0) == source.duration == 'true') OK
+TypeError: undefined is not an object (evaluating 'sourceBuffer.appendBuffer')
+Caught exception: "TypeError: undefined is not an object (evaluating 'element.addEventListener')" FAIL
 END OF TEST

DIFF URL:
https://build.webkit.org/results/Apple-Monterey-Release-AppleSilicon-WK2-Tests/251572@main%20(3774)/media/media-source/media-webm-vorbis-partial-diff.txt

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