1 files changed, 59 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-view-transitions/scroller-child.html b/testing/web-platform/tests/css/css-view-transitions/scroller-child.html
new file mode 100644
index 0000000000..2c8a0c4477
--- /dev/null
+++ b/testing/web-platform/tests/css/css-view-transitions/scroller-child.html
@@ -0,0 +1,59 @@
+<!DOCTYPE html>
+<html class=reftest-wait>
+<title>View transitions: scroller child element</title>
+<link rel="help" href="https://www.w3.org/TR/css-view-transitions-1/">
+<link rel="author" href="mailto:vmpstr@chromium.org">
+<link rel="match" href="scroller-child-ref.html">
+<meta name="fuzzy" content="scroller-child-ref.html:0-5;0-800">
+<script src="/common/reftest-wait.js"></script>
+
+<style>
+#target {
+  contain: layout;
+  view-transition-name: target;
+  width: 500px;
+  height: 500px;
+  background: yellow;
+}
+#scroller {
+  overflow: scroll;
+  width: 100px;
+  height: 100px;
+  background: blue;
+}
+
+#child {
+  position: relative;
+  width: 2000px;
+  height: 2000px;
+  background: green;
+}
+
+html::view-transition-container(root) { animation-duration: 300s; }
+html::view-transition-old(target) {
+  animation: unset;
+  opacity: 1;
+}
+html::view-transition-new(target) {
+  animation: unset;
+  opacity: 0;
+}
+</style>
+
+<div id="target">
+  <div id="scroller">
+    <div id="child"></div>
+  </div>
+</div>
+
+<script>
+function runTest() {
+  scroller.scrollTop = 300;
+
+  let transition = document.startViewTransition();
+  transition.ready.then(() => requestAnimationFrame(takeScreenshot));
+}
+
+onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
+</script>
+