1983631 - [wpt-sync] Sync PR 54345 - WebKit export of https://bugs.webkit.org/show_bug.cgi?id=295009

Status: RESOLVED FIXED

(Core :: CSS Parsing and Computation, task, P4)

Description

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Sync web-platform-tests PR 54345 into mozilla-central (this bug is closed when the sync is complete).

PR: https://github.com/web-platform-tests/wpt/pull/54345
Details from upstream follow.

Kiet Ho <[e-mail]> wrote:

WebKit export of https://bugs.webkit.org/show_bug.cgi?id=295009

WebKit export from bug: [css-anchor-position-1] Fallback options are not "sticky"

Comment 1

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Pushed to try (stability) https://treeherder.mozilla.org/#/jobs?repo=try&revision=3c8377a0375afafe8c41d620fbe90eb9f1df728a

Comment 2

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Attachment: Notable wpt changes

# CI Results

Ran 11 Firefox configurations based on mozilla-central, and Firefox, Chrome, and Safari on GitHub CI

Total 343 tests

## Status Summary

### Firefox
`OK`  : 9[GitHub] 207[Gecko-linux2404-64-debug, Gecko-linux2404-64-opt, Gecko-windows11-32-24h2-debug, Gecko-windows11-32-24h2-opt, Gecko-windows11-64-24h2-debug, Gecko-windows11-64-24h2-opt] 208[Gecko-android-em-7.0-x86_64-lite-qr-opt-geckoview, Gecko-android-em-7.0-x86_64-qr-debug-geckoview, Gecko-android-em-7.0-x86_64-qr-opt-geckoview]
`PASS`: 26[Gecko-linux2204-64-wayland-debug, Gecko-linux2204-64-wayland-opt] 9575[Gecko-windows11-32-24h2-debug, Gecko-windows11-32-24h2-opt] 9596[Gecko-linux2404-64-debug, Gecko-linux2404-64-opt, Gecko-windows11-64-24h2-debug, Gecko-windows11-64-24h2-opt] 9601[Gecko-android-em-7.0-x86_64-lite-qr-opt-geckoview, Gecko-android-em-7.0-x86_64-qr-debug-geckoview, Gecko-android-em-7.0-x86_64-qr-opt-geckoview]
`FAIL`: 24[GitHub] 3877[Gecko-windows11-32-24h2-debug, Gecko-windows11-32-24h2-opt] 3963[Gecko-android-em-7.0-x86_64-lite-qr-opt-geckoview, Gecko-android-em-7.0-x86_64-qr-debug-geckoview, Gecko-android-em-7.0-x86_64-qr-opt-geckoview] 3965[Gecko-linux2404-64-debug, Gecko-linux2404-64-opt, Gecko-windows11-64-24h2-debug, Gecko-windows11-64-24h2-opt]

### Chrome
`OK`  : 9
`PASS`: 17
`FAIL`: 7

### Safari
`OK`  : 9
`PASS`: 15
`FAIL`: 9

## Links
[Gecko CI (Treeherder)](https://treeherder.mozilla.org/#/jobs?repo=try&revision=3c8377a0375afafe8c41d620fbe90eb9f1df728a)
[GitHub PR Head](https://wpt.fyi/results/?sha=e2649df7db8c06084980b727e00cbafc11ad7b36&label=pr_head)
[GitHub PR Base](https://wpt.fyi/results/?sha=e2649df7db8c06084980b727e00cbafc11ad7b36&label=pr_base)

## Details

### Firefox-only Failures
* [/css/css-anchor-position/last-successful-basic.html](https://wpt.live/css/css-anchor-position/last-successful-basic.html) [[wpt.fyi](https://wpt.fyi/results/css/css-anchor-position/last-successful-basic.html)]
  * Starts rendering with flip-block: `FAIL` linked bug:Bug 1897279
  * Base position without fallback now successful: `FAIL` linked bug:Bug 1906329
* [/css/css-anchor-position/last-successful-change-fallbacks.html](https://wpt.live/css/css-anchor-position/last-successful-change-fallbacks.html) [[wpt.fyi](https://wpt.fyi/results/css/css-anchor-position/last-successful-change-fallbacks.html)]
  * Starts rendering with flip-block: `FAIL`
* [/css/css-anchor-position/last-successful-change-try-rule.html](https://wpt.live/css/css-anchor-position/last-successful-change-try-rule.html) [[wpt.fyi](https://wpt.fyi/results/css/css-anchor-position/last-successful-change-try-rule.html)]
  * Starts rendering with --try: `FAIL` linked bug:Bug 1897279
* [/css/css-anchor-position/last-successful-iframe.html](https://wpt.live/css/css-anchor-position/last-successful-iframe.html) [[wpt.fyi](https://wpt.fyi/results/css/css-anchor-position/last-successful-iframe.html)]
  * Starts rendering with flip-block: `FAIL`
  * Base position without fallback now successful: `FAIL`
* [/css/css-anchor-position/last-successful-intermediate-ignored.html](https://wpt.live/css/css-anchor-position/last-successful-intermediate-ignored.html) [[wpt.fyi](https://wpt.fyi/results/css/css-anchor-position/last-successful-intermediate-ignored.html)]
  * Starts rendering with flip-block: `FAIL` linked bug:Bug 1897279
* [/css/css-anchor-position/last-successful-pseudo-element-basic.html](https://wpt.live/css/css-anchor-position/last-successful-pseudo-element-basic.html) [[wpt.fyi](https://wpt.fyi/results/css/css-anchor-position/last-successful-pseudo-element-basic.html)]
  * Base position without fallback now successful: `FAIL`
* [/css/css-anchor-position/position-try-transition-basic.html](https://wpt.live/css/css-anchor-position/position-try-transition-basic.html) [[wpt.fyi](https://wpt.fyi/results/css/css-anchor-position/position-try-transition-basic.html)]
  * Transition when @position-try is applied: `FAIL` linked bug:Bug 1972549
  * Transition when @position-try is unapplied: `FAIL` linked bug:Bug 1972549
* [/css/css-anchor-position/position-try-transition-flip.html](https://wpt.live/css/css-anchor-position/position-try-transition-flip.html) [[wpt.fyi](https://wpt.fyi/results/css/css-anchor-position/position-try-transition-flip.html)]
  * Transition to a flipped state: `FAIL` linked bug:Bug 1972549
  * Transition to an unflipped state: `FAIL` linked bug:Bug 1972549

(See attachment for full changes)

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://github.com/mozilla-firefox/firefox/commit/815dc06640bc
https://hg.mozilla.org/integration/autoland/rev/16ccb970dc26
[wpt PR 54345] - WebKit export of https://bugs.webkit.org/show_bug.cgi?id=295009, a=testonly
https://github.com/mozilla-firefox/firefox/commit/dc91919326f2
https://hg.mozilla.org/integration/autoland/rev/4e9cc116ac53
[wpt PR 54345] - Update wpt metadata, a=testonly

Comment 4

[Cosmin Sabou [:CosminS]]

https://hg.mozilla.org/mozilla-central/rev/16ccb970dc26
https://hg.mozilla.org/mozilla-central/rev/4e9cc116ac53