Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 77b6dc251967edd03f450ba1e6c76456bd1351ee
      
https://github.com/WebKit/WebKit/commit/77b6dc251967edd03f450ba1e6c76456bd1351ee
  Author: Helmut Januschka <[email protected]>
  Date:   2026-10-02 (Fri, 02 Oct 2026)

  Changed paths:
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-block-end-radius-computed-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-block-end-radius-valid-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-block-start-radius-computed-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-block-start-radius-valid-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-bottom-radius-computed-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-bottom-radius-valid-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-inline-end-radius-computed-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-inline-end-radius-valid-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-inline-start-radius-computed-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-inline-start-radius-valid-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-left-radius-computed-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-left-radius-valid-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-right-radius-computed-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-right-radius-valid-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-top-radius-computed-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-top-radius-valid-expected.txt
    M Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml
    M Source/WebCore/css/CSSProperties.json
    M Source/WebCore/css/ShorthandSerializer.cpp
    M Source/WebCore/css/parser/CSSPropertyParserConsumer+Background.cpp
    M Source/WebCore/css/parser/CSSPropertyParserConsumer+Background.h
    M Source/WebCore/css/parser/CSSPropertyParserCustom.h
    M Source/WebCore/css/values/borders/CSSBorderRadius.h
    M Source/WebCore/style/StyleExtractorCustom.h

  Log Message:
  -----------
  [css-borders] Add border-*-radius side shorthands
https://bugs.webkit.org/show_bug.cgi?id=324369
rdar://187605885

Reviewed by Tim Nguyen.

https://drafts.csswg.org/css-borders-4/#corner-sizing-side-shorthands

Add the border-top-radius, border-right-radius, border-bottom-radius and
border-left-radius shorthands, plus their four logical equivalents. Each
one sets the two border-*-*-radius longhands of its side. Values before
the slash set the horizontal radii of the two corners and values after it
set the vertical radii, so `border-top-radius: 1em 4em / 2em 3em` gives a
top left corner of `1em 2em` and a top right corner of `4em 3em`.

Tests: imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/

* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-block-end-radius-computed-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-block-end-radius-valid-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-block-start-radius-computed-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-block-start-radius-valid-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-bottom-radius-computed-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-bottom-radius-valid-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-inline-end-radius-computed-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-inline-end-radius-valid-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-inline-start-radius-computed-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-inline-start-radius-valid-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-left-radius-computed-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-left-radius-valid-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-right-radius-computed-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-right-radius-valid-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-top-radius-computed-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/tentative/parsing/border-top-radius-valid-expected.txt:
* Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml:
* Source/WebCore/css/CSSProperties.json:
* Source/WebCore/css/ShorthandSerializer.cpp:
* Source/WebCore/css/parser/CSSPropertyParserConsumer+Background.cpp:
* Source/WebCore/css/parser/CSSPropertyParserConsumer+Background.h:
* Source/WebCore/css/parser/CSSPropertyParserCustom.h:
* Source/WebCore/css/values/borders/CSSBorderRadius.h:
* Source/WebCore/style/StyleExtractorCustom.h:
(WebCore::CSSPropertyParserHelpers::consumeUnresolvedBorderRadiusSide):
(WebCore::CSS::PropertyParserCustom::consumeBorderRadiusSideShorthand):
(WebCore::CSS::BorderRadiusSide::first const):
(WebCore::CSS::BorderRadiusSide::second const):
(WebCore::ShorthandSerializer::serialize):
(WebCore::ShorthandSerializer::serializeBorderRadiusSide const):
(WebCore::Style::extractBorderRadiusSideShorthand):
(WebCore::Style::extractBorderRadiusSideShorthandSerialization):

Co-authored-by: Tim Nguyen <[email protected]>
Canonical link: https://commits.webkit.org/322537@main



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