Bug 289464 – [css-anchor-position-1] Support transitions with anchor functions

• Status: RESOLVED
• Resolution: FIXED
• Component: CSS

[Antti Koivisto]

CSS transition support

[Radar WebKit Bug Importer]

<rdar://problem/146663067>

[Antti Koivisto]

Pull request: https://github.com/WebKit/WebKit/pull/42190

[EWS]

Committed 291910@main (2e762d0b3dbe): <https://commits.webkit.org/291910@main>

Reviewed commits have been landed. Closing PR #42190 and removing active labels.

[Fujii Hironori]

imported/w3c/web-platform-tests/css/css-anchor-position/popover-anchor-backdrop-transition.html also needs rebaseline after 291910@main. I'm going to rebase the expectation.

History:
 https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fcss%2Fcss-anchor-position%2Fpopover-anchor-backdrop-transition.html

Diff:

https://build.webkit.org/results/Apple-Sequoia-Release-AppleSilicon-WK1-Tests/291911@main%20(2358)/imported/w3c/web-platform-tests/css/css-anchor-position/popover-anchor-backdrop-transition-diff.txt

--- /Volumes/Data/worker/Apple-Sequoia-Release-AppleSilicon-WK1-Tests/build/layout-test-results/imported/w3c/web-platform-tests/css/css-anchor-position/popover-anchor-backdrop-transition-expected.txt
+++ /Volumes/Data/worker/Apple-Sequoia-Release-AppleSilicon-WK1-Tests/build/layout-test-results/imported/w3c/web-platform-tests/css/css-anchor-position/popover-anchor-backdrop-transition-actual.txt
@@ -1,3 +1,3 @@
 
-FAIL Anchored popover ::backdrop transitioning opacity with @starting-style assert_equals: expected "0" but got ""
+PASS Anchored popover ::backdrop transitioning opacity with @starting-style

[Fujii Hironori]

Re-opening for pull request https://github.com/WebKit/WebKit/pull/42228

[EWS]

Test gardening commit 291931@main (dee148e57d0f): <https://commits.webkit.org/291931@main>

Reviewed commits have been landed. Closing PR #42228 and removing active labels.

[Fujii Hironori]

Oops. Still failing. It's my mistake. I'm going to revisit it in bug#289639.