1 files changed, 33 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-paint-api/registered-property-interpolation-010.https.html b/testing/web-platform/tests/css/css-paint-api/registered-property-interpolation-010.https.html
new file mode 100644
index 0000000000..ee3a0f1b32
--- /dev/null
+++ b/testing/web-platform/tests/css/css-paint-api/registered-property-interpolation-010.https.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<title>Interpolated list values reach worklet</title>
+<link rel="help" href="https://drafts.css-houdini.org/css-paint-api/">
+<link rel="match" href="parse-input-arguments-ref.html">
+<script src="/common/reftest-wait.js"></script>
+<script src="/common/worklet-reftest.js"></script>
+<script src="./resources/utils.js"></script>
+<body>
+<div id="target"></div>
+<script>
+    try {
+      registerAndInterpolateProperty({
+        on: target, from: '10px 20px', to: '20px 30px',
+        name: '--prop-1', syntax: '<length>+'
+      });
+
+      registerAndInterpolateProperty({
+        on: target, from: '10px', to: '20px',
+        name: '--prop-2', syntax: '<length>+'
+      });
+
+      expectWorkletValues(target, {
+        '--prop-1': ['[CSSUnitValue 15px]', '[CSSUnitValue 25px]'],
+        '--prop-2': '[CSSUnitValue 15px]'
+      });
+    } catch(e) {
+      document.body.textContent = e;
+      takeScreenshot();
+    }
+</script>
+</body>
+</html>