Bug 259458

fast/events/wheel/redispatched-wheel-event.html

This test is a consistent failure on macOS Ventura E gpuprocess Debug x86_64, WebKit 1.

HISTORY:

https://results.webkit.org/?suite=layout-tests&test=fast%2Fevents%2Fwheel%2Fredispatched-wheel-event.html

TEXT DIFF:

 PASS windowScrollEventCount is 0
 PASS overflowScrollEventCount is 0
 PASS windowScrollEventCount is 0
-PASS overflowScrollEventCount >= expectedMinOverflowScrollEventCount is true
+FAIL overflowScrollEventCount >= expectedMinOverflowScrollEventCount should be true. Was false.
 PASS successfullyParsed is true
 
 TEST COMPLETE

DIFF URL:

https://build.webkit.org/results/Apple-Monterey-Debug-AppleSilicon-WK2-Tests/266257@main%20(6317)/fast/events/wheel/redispatched-wheel-event-pretty-diff.html

REGRESSION:

I was able to reproduce this bug on the reported platform running the test as follows:

run-webkit-tests -1 --debug --use-gpu-process --accelerated-drawing fast/events/wheel/redispatched-wheel-event.html

I was able to bisect a possible regression point using the flakiness dashboard (265781@main). In my attempts to reproduce the issue on multiple platforms, DumpRenderTree kept crashing on WebKit 1, which caused the test to fail at all tested commits. The changes at 265781@main appear to be directly related to the failing test, which is likely contributing to the failure; however, this may indicate a larger issue with DumpRenderTree.