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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/css/css-anchor-position/at-position-fallback-invalidation.html | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-anchor-position/at-position-fallback-invalidation.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-anchor-position/at-position-fallback-invalidation.html | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-anchor-position/at-position-fallback-invalidation.html b/testing/web-platform/tests/css/css-anchor-position/at-position-fallback-invalidation.html new file mode 100644 index 0000000000..68a0874931 --- /dev/null +++ b/testing/web-platform/tests/css/css-anchor-position/at-position-fallback-invalidation.html @@ -0,0 +1,57 @@ +<!DOCTYPE html> +<title>CSS Anchor Positioning Test: Dynamically change @position-fallback rules</title> +<link rel="help" href="https://drafts.csswg.org/css-anchor-1/#fallback-rule"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<style> + body { margin: 0; } + + #anchor { + anchor-name: --a; + margin-left: 100px; + width: 100px; + } + + #anchored { + position: absolute; + position-fallback: --pf; + } +</style> + +<style id="to-enable" media="print"> + @position-fallback --pf { + @try { left: anchor(--a left); } + } +</style> + +<div> + <div id="anchor">anchor</div> + <div id="anchored">anchored</div> +</div> + +<script> + test(() => { + assert_equals(anchored.offsetLeft, 0); + }, "Position-fallback initially not matching any rules"); + + test(() => { + document.getElementById("to-enable").media = ""; + assert_equals(anchored.offsetLeft, 100); + }, "Enable @position-fallback rule stylesheet"); + + const sheet = document.getElementById("to-enable").sheet; + + test(() => { + sheet.insertRule( + `@position-fallback --pf { + @try { left: anchor(--a right); } + }`, 1); + assert_equals(anchored.offsetLeft, 200); + }, "Insert overriding @position-fallback rule"); + + test(() => { + sheet.disabled = "true"; + assert_equals(anchored.offsetLeft, 0); + }, "Disable the @position-fallback rules"); + +</script> |