1 files changed, 47 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-captures-clip-path.html b/testing/web-platform/tests/css/css-view-transitions/old-content-captures-clip-path.html
new file mode 100644
index 0000000000..467b19d928
--- /dev/null
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-captures-clip-path.html
@@ -0,0 +1,47 @@
+<!DOCTYPE html>
+<html class=reftest-wait>
+<title>View transitions: capture clip-path elements</title>
+<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="author" href="mailto:vmpstr@chromium.org">
+<link rel="match" href="old-content-captures-clip-path-ref.html">
+<meta name="fuzzy" content="old-content-captures-clip-path-ref.html:0-1;0-500">
+<script src="/common/reftest-wait.js"></script>
+<style>
+.box {
+  color: red;
+  background: lightblue;
+  width: 100px;
+  height: 100px;
+  contain: paint;
+  position: absolute;
+  font-size: 30pt;
+}
+#e1 {
+  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
+  top: 20px;
+  left: 20px;
+  view-transition-name: e1;
+}
+
+div.dst { background: lightgreen; }
+/* We're verifying what we capture, so just display the old contents for 5 minutes.  */
+html::view-transition-group(*) { animation-duration: 300s; }
+html::view-transition-new(*) { animation: unset; opacity: 0; }
+html::view-transition-old(*) { animation: unset; opacity: 1; }
+/* hide the root so we show transition background to ensure we're in a transition */
+html::view-transition-group(root) { animation: unset; opacity: 0; }
+html::view-transition { background: lightpink; }
+</style>
+<div id=e1 class=box></div>
+<script>
+failIfNot(document.startViewTransition, "Missing document.startViewTransition");
+
+async function runTest() {
+  document.startViewTransition(() => {
+    e1.classList.add("dst");
+    requestAnimationFrame(() => requestAnimationFrame(takeScreenshot));
+  });
+}
+onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
+</script>
+