Bug 297405

Summary: [ iOS ] 2x imported/w3c/web-platform-tests/css/css-flexbox/ (layout-tests) tests are constant image failures
Product: WebKit Reporter: Bryan Medina <bmedina2>
Component: Layout and RenderingAssignee: Sammy Gill <sgill26>
Status: NEW    
Severity: Normal CC: bfulgham, sgill26, simon.fraser, webkit-bot-watchers-bugzilla, webkit-bug-importer, zalan
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
See Also: https://github.com/web-platform-tests/wpt/pull/54992
Attachments:
Description Flags
Diff for rtl-001
none
Diff-rtl-002 none

Bryan Medina
Reported 2025-08-14 10:56:53 PDT
imported/w3c/web-platform-tests/css/css-flexbox/flexbox-align-self-vert-rtl-002.xhtml imported/w3c/web-platform-tests/css/css-flexbox/flexbox-align-self-vert-rtl-001.xhtml are constant image failures on all configurations of iOS. HISTORY: https://results.webkit.org/?suite=layout-tests&suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fcss%2Fcss-flexbox%2Fflexbox-align-self-vert-rtl-002.xhtml&test=imported%2Fw3c%2Fweb-platform-tests%2Fcss%2Fcss-flexbox%2Fflexbox-align-self-vert-rtl-001.xhtml IMAGE DIFF URL: https://build.webkit.org/results/Apple-iOS-18-Simulator-Debug-WK2-Tests/298678%40main%20(1431)/results.html Image diffs will be attached to bug, it seems that they are both off by 0.01%.
Attachments
Diff for rtl-001 (77.55 KB, application/zip)
2025-08-14 10:57 PDT, Bryan Medina 		no flags
Details
Diff-rtl-002 (78.22 KB, application/zip)
2025-08-14 10:58 PDT, Bryan Medina 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Bryan Medina
Comment 1 2025-08-14 10:57:49 PDT
Created attachment 476403 [details] Diff for rtl-001
Bryan Medina
Comment 2 2025-08-14 10:58:08 PDT
Created attachment 476404 [details] Diff-rtl-002
Radar WebKit Bug Importer
Comment 3 2025-08-14 10:58:29 PDT
<rdar://problem/158334166>
Bryan Medina
Comment 4 2025-08-14 11:05:39 PDT
Image failure was reproduced at iOS 18 Simulator Release ToT using the following command: run-webkit-tests <test_name_here> --iOS-simulator
EWS
Comment 5 2025-08-14 11:18:36 PDT
Test gardening commit 298692@main (8c427d14f0b7): <https://commits.webkit.org/298692@main> Reviewed commits have been landed. Closing PR #49395 and removing active labels.
Bryan Medina
Comment 6 2025-08-14 14:57:10 PDT
I am unable to find an exact regression point as it seems that this test has been failing for as far back as its history shows...
Sammy Gill
Comment 7 2025-08-14 15:05:19 PDT
I marked these as passing as a result of 298667@main. I'm a little surprised that they are constantly failing on iOS even though EWS was green. I took a very very quick look at the diff and maybe it just need some fuzziness but I'll need to take a closer look
Sammy Gill
Comment 8 2025-09-22 13:29:39 PDT
Pull request: https://github.com/WebKit/WebKit/pull/51133
Sammy Gill
Comment 9 2025-09-22 13:36:51 PDT
Submitted web-platform-tests pull request: https://github.com/web-platform-tests/wpt/pull/54992
EWS
Comment 10 2025-09-23 08:41:14 PDT
Test gardening commit 300396@main (1d74946fb815): <https://commits.webkit.org/300396@main> Reviewed commits have been landed. Closing PR #51133 and removing active labels.
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