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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /testing/web-platform/tests/css/css-scroll-anchoring/basic.html
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-scroll-anchoring/basic.html')
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diff --git a/testing/web-platform/tests/css/css-scroll-anchoring/basic.html b/testing/web-platform/tests/css/css-scroll-anchoring/basic.html
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+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<style>
+
+body { height: 4000px; }
+div { height: 100px; }
+
+</style>
+<div id="block1">abc</div>
+<div id="block2">def</div>
+<script>
+
+// Tests that growing an element above the viewport produces a scroll
+// anchoring adjustment equal to the amount by which it grew.
+
+test(() => {
+ document.scrollingElement.scrollTop = 150;
+ document.querySelector("#block1").style.height = "200px";
+ assert_equals(document.scrollingElement.scrollTop, 250);
+}, "Minimal scroll anchoring example.");
+
+</script>