imported/w3c/web-platform-tests/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html is a flakey text failure in macOS. HISTORY URL: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fwebaudio%2Fthe-audio-api%2Fthe-analysernode-interface%2Frealtimeanalyser-fft-scaling.html&platform=mac TEXT DIFF: PASS 128-point FFT peak value in dBFS is greater than or equal to -13.56. PASS 256-point FFT peak position is equal to 8. PASS 256-point FFT peak value in dBFS is greater than or equal to -13.56. +PASS 1024-point FFT peak position is equal to 32. +PASS 1024-point FFT peak value in dBFS is greater than or equal to -13.56. PASS 512-point FFT peak position is equal to 16. PASS 512-point FFT peak value in dBFS is greater than or equal to -13.56. -PASS 1024-point FFT peak position is equal to 32. -PASS 1024-point FFT peak value in dBFS is greater than or equal to -13.56. PASS 2048-point FFT peak position is equal to 64. PASS 2048-point FFT peak value in dBFS is greater than or equal to -13.56. PASS 4096-point FFT peak position is equal to 128.
Reproduced the failure at BigSur Debug ToT x86_64 using the following test: run-webkit-test imported/w3c/web-platform-tests/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html --iterations 1000 -f Failures happen most commonly on Apple Silicon Macs in Debug, but it has a fairly long history of occurring in Intel Catalina and BigSur in release and debug.
<rdar://problem/76028345>
Updated test expectations to Pass Failure while test is being reviewed: https://trac.webkit.org/changeset/275249/webkit
Created attachment 425646 [details] Patch
This patch modifies the imported WPT tests. Please ensure that any changes on the tests (not coming from a WPT import) are exported to WPT. Please see https://trac.webkit.org/wiki/WPTExportProcess
Tools/Scripts/svn-apply failed to apply attachment 425646 [details] to trunk. Please resolve the conflicts and upload a new patch.
Committed r275803 (236374@main): <https://commits.webkit.org/236374@main>