1972998 - [wpt-sync] Sync PR 53270 - Use TreeCountingChecker in font-style interpolations

Status: NEW

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

Description

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

Sync web-platform-tests PR 53270 into mozilla-central (this bug is closed when the sync is complete).

PR: https://github.com/web-platform-tests/wpt/pull/53270
Details from upstream follow.

Daniil Sakhapov <[e-mail]> wrote:

Use TreeCountingChecker in font-style interpolations

Invalidate percentage interpolation for tree counting function changes
on DOM mutations.

Bug: 415626999
Change-Id: Ic8f51bdd910558dc68a34f49f8286d4ccbbf6caa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6652174
Reviewed-by: Rune Lillesveen \<[e-mail]>
Commit-Queue: Daniil Sakhapov \<[e-mail]>
Cr-Commit-Position: refs/heads/main@{#1476037}

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=d84719eda548699b5632035df1b9ad0ef139e406

Comment 2

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

CI Results

Ran 9 Firefox configurations based on mozilla-central, and Firefox, Chrome, and Safari on GitHub CI

Total 1 tests and 2 subtests

Status Summary

Firefox

OK : 1
FAIL: 2

Chrome

OK : 1
PASS: 1
FAIL: 1

Safari

OK : 1
FAIL: 2

Links

Gecko CI (Treeherder)
GitHub PR Head
GitHub PR Base

Details

New Tests That Don't Pass

• /css/css-values/tree-counting/sibling-index-keyframe-font-style-dynamic.html [wpt.fyi]
  • Initially, the sibling-index() is 3 for #target: FAIL (Chrome: PASS, Safari: FAIL)
  • Removing a preceding sibling of #target reduces the sibling-index(): FAIL (Chrome: FAIL, Safari: FAIL)