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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/css/css-scroll-anchoring/opt-out-table.html
parentInitial commit. (diff)
downloadfirefox-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-scroll-anchoring/opt-out-table.html')
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diff --git a/testing/web-platform/tests/css/css-scroll-anchoring/opt-out-table.html b/testing/web-platform/tests/css/css-scroll-anchoring/opt-out-table.html
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+++ b/testing/web-platform/tests/css/css-scroll-anchoring/opt-out-table.html
@@ -0,0 +1,45 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<link rel="help" href="https://drafts.csswg.org/css-scroll-anchoring-1/">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<style>
+
+#scroller {
+ height: 200px;
+ overflow: scroll;
+}
+#before { height: 50px; }
+#table {
+ display: table;
+ overflow-anchor: none;
+ width: 100px;
+ height: 100px;
+ margin-bottom: 500px;
+}
+
+</style>
+<div id="scroller">
+ <div id="before"></div>
+ <div id="table">content</div>
+</div>
+<script>
+
+// Tests that the anchor exclusion API works with tables
+
+test(() => {
+ let scroller = document.querySelector('#scroller');
+ let before = document.querySelector('#before');
+
+ // Scroll down so that #table is the only element in view
+ scroller.scrollTop = 50;
+
+ // Expand #before so that we might perform a scroll adjustment
+ before.style.height = "100px";
+
+ // We shouldn't have selected #table as an anchor as it is
+ // 'overflow-anchor: none'
+ assert_equals(scroller.scrollTop, 50);
+}, "A table with 'overflow-anchor: none' shouldn't generate any scroll anchor candidates.");
+
+</script>