1 files changed, 93 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-clip-path-reference.html b/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-clip-path-reference.html
new file mode 100644
index 0000000000..01a3ed3204
--- /dev/null
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-clip-path-reference.html
@@ -0,0 +1,93 @@
+<!DOCTYPE html>
+<html class=reftest-wait>
+<title>View transitions: object-view-box with larger clip-path</title>
+<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="author" href="mailto:vmpstr@chromium.org">
+<link rel="match" href="new-content-object-view-box-clip-path-reference-ref.html">
+<script src="/common/reftest-wait.js"></script>
+<style>
+.target {
+  color: red;
+  width: 100px;
+  height: 100px;
+  contain: paint;
+  overflow-clip-margin: 1000px;
+  position: relative;
+  top: 50px;
+  left: 50px;
+}
+.child {
+  width: 123px;
+  height: 150px;
+  background: lightblue;
+  position: relative;
+  top: -10px;
+  left: -20px;
+}
+.grandchild {
+  width: 25px;
+  height: 25px;
+  position: relative;
+  top: 20px;
+  left: 40px;
+  background: green;
+}
+#one {
+  view-transition-name: target-one;
+  clip-path: url(#clip1);
+}
+#two {
+  view-transition-name: target-two;
+  clip-path: url(#clip2);
+}
+
+html::view-transition-group(target-one),
+html::view-transition-group(target-two) { animation-duration: 300s; }
+html::view-transition-old(target-one),
+html::view-transition-old(target-two) { animation: unset; opacity: 0; height: 100%; }
+html::view-transition-new(target-one),
+html::view-transition-new(target-two) {
+  animation: unset;
+  opacity: 1;
+  /* clip overflow, and verify inner contents only */
+  overflow: hidden;
+  height: 100%;
+}
+
+html::view-transition-group(root) { animation: unset; opacity: 0; }
+html::view-transition { background: lightpink; }
+</style>
+
+<div id=one class=target>
+  <div class=child>
+    <div class=grandchild></div>
+  </div>
+</div>
+<div style="height: 20px;"></div>
+<div id=two class=target>
+  <div class=child>
+    <div class=grandchild></div>
+  </div>
+</div>
+
+<svg>
+  <defs>
+    <clipPath id="clip1">
+      <rect x="10" y="20" width="70" height="50" />
+    </clipPath>
+    <clipPath id="clip2">
+      <rect x="-10" y="20" width="130" height="50" />
+    </clipPath>
+  </defs>
+</svg>
+
+<script>
+failIfNot(document.startViewTransition, "Missing document.startViewTransition");
+
+async function runTest() {
+  document.startViewTransition(() =>
+    requestAnimationFrame(() => requestAnimationFrame(takeScreenshot)));
+}
+onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
+</script>
+