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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/css/css-contain/contain-layout-021.html
parentInitial commit. (diff)
downloadfirefox-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>
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+++ b/testing/web-platform/tests/css/css-contain/contain-layout-021.html
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+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Containment Test: Layout containment fixed positioned descendants</title>
+<link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-layout">
+<link rel="match" href="reference/contain-layout-021-ref.html">
+<meta name=assert content="Layout containment makes an element to act as containing block for fixed positioned descendants.">
+<style>
+html {
+ contain: layout;
+}
+#fixed {
+ position: fixed;
+ background: green;
+ width: 100px;
+ height: 100px;
+}
+body {
+ height: 3000px;
+ margin: 0px;
+}
+#spacer {
+ height: 200px;
+}
+</style>
+<script>
+function runTest() {
+ document.documentElement.scrollTop += 200;
+}
+</script>
+<body onload="runTest()">
+<div id="spacer"></div>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div id="fixed"></div>
+</body>