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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
| commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
| tree | f435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/css/css-anchor-position/anchor-scroll-fallback-position-004.html | |
| parent | Initial commit. (diff) | |
| download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip | |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-anchor-position/anchor-scroll-fallback-position-004.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-anchor-position/anchor-scroll-fallback-position-004.html | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-anchor-position/anchor-scroll-fallback-position-004.html b/testing/web-platform/tests/css/css-anchor-position/anchor-scroll-fallback-position-004.html new file mode 100644 index 0000000000..99e4f9c30d --- /dev/null +++ b/testing/web-platform/tests/css/css-anchor-position/anchor-scroll-fallback-position-004.html @@ -0,0 +1,75 @@ +<!DOCTYPE html> +<title>Tests position fallback with scrollers with mixed writing modes</title> +<link rel="author" href="mailto:xiaochengh@chromium.org"> +<link rel="help" href="https://drafts.csswg.org/css-anchor-1/#scroll"> +<link rel="help" href="https://drafts.csswg.org/css-anchor-1/#fallback-apply"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="support/test-common.js"></script> + +<style> +body { + margin: 0; +} + +#vrl-scroller { + writing-mode: vertical-rl; + overflow-x: scroll; + width: calc(100vw - 90px); + height: 400px; + outline: 1px solid black; +} + +#anchor { + anchor-name: --a; + width: 100px; + height: 100px; + margin-left: 1000px; + background: orange; +} + +#anchored { + position: fixed; + width: 100px; + height: 100px; + background: green; + anchor-default: --a; + position-fallback: --pf; +} + +@position-fallback --pf { + /* Top of the anchor */ + @try { bottom: anchor(--a top); left: anchor(--a left); } + /* Bottom of the anchor */ + @try { top: anchor(--a bottom); left: anchor(--a left); } + /* Left of the anchor */ + @try { top: anchor(--a top); right: anchor(--a left); } +} +</style> + +<div style="height: 200px"></div> +<div id="vrl-scroller"> + <div id="anchor"></div> +</div> +<div style="height: 1000px"></div> +<div id="anchored"></div> + +<script> +promise_test(async () => { + await waitUntilNextAnimationFrame(); + assert_fallback_position(anchored, anchor, 'top'); +}, 'Should use the first fallback position at the initial scroll offsets'); + +promise_test(async () => { + document.documentElement.scrollTop = 101; + await waitUntilNextAnimationFrame(); + assert_fallback_position(anchored, anchor, 'bottom'); +}, 'Should use the second fallback position after scrolling viewport down'); + +promise_test(async () => { + let vrlScroller = document.getElementById('vrl-scroller'); + vrlScroller.scrollLeft = -100; + await waitUntilNextAnimationFrame(); + assert_fallback_position(anchored, anchor, 'left'); +}, 'Should use the third fallback position after scrolling the vrl scroller left'); +</script> |