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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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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-scroll-anchoring/abspos-in-multicol-003.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-scroll-anchoring/abspos-in-multicol-003.html')
-rw-r--r-- | testing/web-platform/tests/css/css-scroll-anchoring/abspos-in-multicol-003.html | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-scroll-anchoring/abspos-in-multicol-003.html b/testing/web-platform/tests/css/css-scroll-anchoring/abspos-in-multicol-003.html new file mode 100644 index 0000000000..01caa895da --- /dev/null +++ b/testing/web-platform/tests/css/css-scroll-anchoring/abspos-in-multicol-003.html @@ -0,0 +1,39 @@ +<!DOCTYPE html> +<meta charset="utf-8"> +<link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com" /> +<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org" /> +<link rel="help" href="https://drafts.csswg.org/css-scroll-anchoring/#candidate-examination"> +<meta name="assert" content="The candidate examination algorithm iterates abspos descendants of the containing block. Being inside a fragmentainer shouldn't break that."> +<style> +html { + column-count: 1; /* Fragmentainer */ +} + +main { + position: relative; /* Containing block */ +} + +div { + position: absolute; /* Abspos */ + font-size: 100px; + width: 200px; + height: 4000px; + line-height: 100px; +} +</style> +<main><div>abc <b id=b>def</b> ghi</div></main> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script> +// Tests anchoring to a text node that is moved by preceding text, +// everything in an absolutely positioned element whose containing block +// is inside a multi-column fragmentainer. + +test(() => { + var b = document.querySelector("#b"); + var preText = b.previousSibling; + document.scrollingElement.scrollTop = 150; + preText.nodeValue = "abcd efg "; + assert_equals(document.scrollingElement.scrollTop, 250); +}, "Anchoring with text wrapping changes."); +</script> |