[Webkit-unassigned] [Bug 236656] New: REGRESSION(r287249): [ Monterey 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=236656

            Bug ID: 236656
           Summary: REGRESSION(r287249): [ Monterey 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: Media
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Matteo_flores 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/monterey-release-applesilicon-tests-wk2/build/layout-test-results/media/media-source/media-webm-vorbis-partial-expected.txt
+++ /Volumes/Data/worker/monterey-release-applesilicon-tests-wk2/build/layout-test-results/media/media-source/media-webm-vorbis-partial-actual.txt
@@ -1,13 +1,22 @@

 RUN(video.src = URL.createObjectURL(source))
 EVENT(sourceopen)
-RUN(source.duration = loader.duration())
 RUN(sourceBuffer = source.addSourceBuffer(loader.type()))
 RUN(sourceBuffer.appendBuffer(loader.initSegment()))
 EVENT(update)
-Append a media segment.
-RUN(sourceBuffer.appendBuffer(loader.mediaSegment(0)))
+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
 END OF TEST

DIFF-URL:
https://build.webkit.org/results/Apple-Monterey-Release-AppleSilicon-WK2-Tests/r289816%20(1758)/media/media-source/media-webm-vorbis-partial-diff.txt

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