Bug 315040

Summary: REGRESSION(313153@main): [macOS] imported/w3c/web-platform-tests/dom/events/Event-timestamp-high-resolution.html is a flaky failure
Product: WebKit Reporter: Marta Darbinyan <darbinyan>
Component: New BugsAssignee: Nobody <webkit-unassigned>
Status: NEW    
Severity: Normal CC: webkit-bug-importer, WebkitBugTracker
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   

Marta Darbinyan
Reported 2026-05-18 13:46:21 PDT
imported/w3c/web-platform-tests/dom/events/Event-timestamp-high-resolution.html is a flaky test on macOS after 313153@main. Errors: -PASS Constructed WheelEvent timestamp should be high resolution and have the same time origin as performance.now() +FAIL Constructed WheelEvent timestamp should be high resolution and have the same time origin as performance.now() assert_less_than_equal: Event timestamp should be less than performance.now() timestamp taken after its creation expected a number less than or equal to 118 but got 118.00000000000001 Test history: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fdom%2Fevents%2FEvent-timestamp-high-resolution.html Test results: https://ews-build.webkit.org/#/builders/161/builds/30554
Attachments
Radar WebKit Bug Importer
Comment 1 2026-05-18 13:46:42 PDT
EWS
Comment 2 2026-05-18 14:09:17 PDT
Test gardening commit 313438@main (bac6277a4d22): <https://commits.webkit.org/313438@main> Reviewed commits have been landed. Closing PR #65130 and removing active labels.
EWS
Comment 3 2026-05-19 12:07:45 PDT
Test gardening commit 313511@main (0827c3af8d41): <https://commits.webkit.org/313511@main> Reviewed commits have been landed. Closing PR #65205 and removing active labels.
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