1 files changed, 34 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-contain/contain-body-overflow-002.html b/testing/web-platform/tests/css/css-contain/contain-body-overflow-002.html
new file mode 100644
index 0000000000..bf741491c6
--- /dev/null
+++ b/testing/web-platform/tests/css/css-contain/contain-body-overflow-002.html
@@ -0,0 +1,34 @@
+<!doctype html>
+<html lang=en class="reftest-wait">
+<meta charset=utf-8>
+<title>CSS-contain test: paint containment on body prevents overflow propagation</title>
+<link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net">
+<meta name="assert" content="paint containment on body prevents overflow propagation">
+<link rel="match" href="reference/contain-body-overflow-001-ref.html">
+<link rel="help" href="https://drafts.csswg.org/css-contain-1/#contain-property">
+<style>
+html, body, p, div {
+    margin: 0;
+    width: 200px;
+    height: 200px;
+}
+div { background: red; }
+body {
+    overflow: hidden;
+    contain: paint;
+}
+:focus {
+    outline: none;
+}
+</style>
+
+<div></div>
+<p tabindex=1 id=target>Test passes if there is no red.
+<script>
+window.onload = function() {
+    document.getElementById("target").focus();
+    setTimeout(() => {
+        document.documentElement.className = "";
+    }, 0);
+}
+</script>