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sousa-gecko/testing/web-platform/tests/css/css-values/tree-counting/sibling-function-media-query.tentative.html
T
moonira 801d331d94 Bug 2018653 [wpt PR 57981] - Use utils function in sibling-function-media-query test, a=testonly
Automatic update from web-platform-tests
Use utils function in sibling-function-media-query test

Use query_should_be_unknown() function to test that tree counting
functions are not allowed inside @media.

Change-Id: Ie80890c3567dae28929d5876ca102c4c3a867a7c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7594828
Reviewed-by: Rune Lillesveen <futhark@chromium.org>
Commit-Queue: Munira Tursunova <moonira@google.com>
Cr-Commit-Position: refs/heads/main@{#1588684}

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wpt-commits: 2b8b44fa570ebe4c73962900a67e3f49b30cd792
wpt-pr: 57981
2026-02-26 15:19:33 +00:00

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HTML

<!DOCTYPE html>
<title>CSS Values and Units Test: sibling-index() and sibling-count() invalid in media queries</title>
<link rel="help" href="https://drafts.csswg.org/css-values-5/#tree-counting">
<link rel="help" href="https://drafts.csswg.org/mediaqueries-5/#width">
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/10982">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/mediaqueries/resources/matchmedia-utils.js"></script>
<script>
query_should_be_unknown("(width > calc(0px * sibling-index()))");
query_should_be_unknown("(width > calc(0px * sibling-count()))");
</script>