1 files changed, 50 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-masking/clip-path/animations/two-clip-path-animation-diff-length1.html b/testing/web-platform/tests/css/css-masking/clip-path/animations/two-clip-path-animation-diff-length1.html
new file mode 100644
index 0000000000..f647c1af59
--- /dev/null
+++ b/testing/web-platform/tests/css/css-masking/clip-path/animations/two-clip-path-animation-diff-length1.html
@@ -0,0 +1,50 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<link rel="help" href="https://drafts.csswg.org/css-shapes-1/#basic-shape-interpolation">
+<link rel="match" href="two-clip-path-animation-diff-length1-ref.html">
+<style>
+  .container {
+    width: 100px;
+    height: 100px;
+    background-color: green;
+    animation: clippath2 10s step-end, clippath1 0.001s;
+  }
+
+  @keyframes clippath1 {
+    0% {
+      clip-path: circle(10% at 50% 50%);
+    }
+
+    100% {
+      clip-path: circle(50% at 50% 50%);
+    }
+  }
+
+  @keyframes clippath2 {
+    0% {
+      clip-path: inset(10px 10px);
+    }
+
+    100% {
+      clip-path: inset(11px 11px);
+    }
+  }
+</style>
+<script src="/common/reftest-wait.js"></script>
+<script src="../../../../web-animations/testcommon.js"></script>
+
+<body>
+  <div class="container"></div>
+
+  <script>
+    // This test ensures that if we have two different-length animations, when
+    // the one with higher compositing order finishes, the other one would still
+    // run normally.
+    const animations = document.getAnimations();
+    animations[1].finished.then(() => {
+      takeScreenshot();
+    });
+  </script>
+</body>
+
+</html>