Bug 304808

Summary: `counter-*` properties computed value serialization depends on HashMap iteration order
Product: WebKit Reporter: Sam Weinig <sam>
Component: CSSAssignee: Sam Weinig <sam>
Status: RESOLVED FIXED    
Severity: Normal CC: koivisto, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: Safari 18   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Test case none

Sam Weinig
Reported 2025-12-31 09:46:29 PST
The computed value serialization of the `counter-*` properties is constructed by iterating a HashMap, which leads to random (or at least as random as the hash function is) output orderings. Like with all other properties, the list should probably be ordered matching the specified order.
Attachments
Test case (554 bytes, text/html)
2025-12-31 09:51 PST, Sam Weinig 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Sam Weinig
Comment 1 2025-12-31 09:51:14 PST
Created attachment 477883 [details] Test case
Sam Weinig
Comment 2 2025-12-31 12:22:06 PST
Pull request: https://github.com/WebKit/WebKit/pull/55970
EWS
Comment 3 2026-01-04 13:44:48 PST
Committed 305086@main (dcaee9e83acc): <https://commits.webkit.org/305086@main> Reviewed commits have been landed. Closing PR #55970 and removing active labels.
Radar WebKit Bug Importer
Comment 4 2026-01-04 13:45:12 PST
<rdar://problem/167518994>
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