1 files changed, 79 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-with-clip-root.html b/testing/web-platform/tests/css/css-view-transitions/content-with-clip-root.html
new file mode 100644
index 0000000000..5acd847734
--- /dev/null
+++ b/testing/web-platform/tests/css/css-view-transitions/content-with-clip-root.html
@@ -0,0 +1,79 @@
+<!DOCTYPE html>
+<html class=reftest-wait>
+<title>View transitions: root element with clip</title>
+<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="author" href="mailto:khushalsagar@chromium.org">
+<link rel="match" href="content-with-clip-root-ref.html">
+
+<script src="/common/reftest-wait.js"></script>
+<style>
+.target {
+  contain: paint;
+  width: 100px;
+  height: 100vh;
+  position: relative;
+  top: 50vh;
+  display: inline-block;
+}
+
+.embedded {
+  width: 100%;
+  height: 50%;
+}
+
+.hidden {
+  contain: paint;
+  width: 10px;
+  height: 10px;
+  background: grey;
+  view-transition-name: hidden;
+}
+
+body {
+  margin: 0px;
+}
+
+html::view-transition-group(hidden) { animation-duration: 300s; }
+html::view-transition-image-pair(hidden) { animation: unset; opacity: 0; }
+
+html::view-transition-group(target2) {
+  opacity: 0;
+}
+
+html::view-transition-group(root) {
+  top: -50vh;
+  bottom: 50vh;
+}
+
+html::view-transition-old(root) { animation: unset; opacity: 0; height: 100%; }
+html::view-transition-new(root) { animation: unset; opacity: 1; height: 100%; }
+
+</style>
+
+<div id="target1" class="target">
+  <div class="embedded" style="background: green;"></div>
+  <div class="embedded" style="background: blue"></div>
+</div>
+<div id="target2" class="target">
+  <div class="embedded" style="background: green;"></div>
+  <div class="embedded" style="background: blue"></div>
+</div>
+<div id=hidden class=hidden></div>
+
+<script>
+failIfNot(document.startViewTransition, "Missing document.startViewTransition");
+
+async function runTest() {
+  document.startViewTransition(() => {
+    // Add a shared element to ensure its bounds don't expand the root snapshot
+    // size.
+    target2.style = "view-transition-name: target2";
+
+    requestAnimationFrame(() => requestAnimationFrame(() =>
+      requestAnimationFrame(() => requestAnimationFrame(takeScreenshot))
+    ));
+  });
+}
+onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
+</script>
+