diff --git a/types/heremaps/heremaps-tests.ts b/types/heremaps/heremaps-tests.ts
index 31d722f042..216040c68a 100644
--- a/types/heremaps/heremaps-tests.ts
+++ b/types/heremaps/heremaps-tests.ts
@@ -80,3 +80,7 @@ captureBtn.onclick = () => {
 };
 
 let icon = new H.map.Icon('svg', { size: 5, crossOrigin: false });
+
+let polyline = new H.map.Polyline(new H.geo.Strip());
+let clipArr: Array<Array<number>>;
+clipArr = polyline.clip(new H.geo.Rect(5, 5, 5, 5));