diff --git a/test/tests/Path_Length.js b/test/tests/Path_Length.js
index 905f9835..84c8a424 100644
--- a/test/tests/Path_Length.js
+++ b/test/tests/Path_Length.js
@@ -6,5 +6,17 @@ test('path.length', function() {
 		new Segment(new Point(121, 334), new Point(-19, 38), new Point(30.7666015625, -61.53369140625)),
 		new Segment(new Point(248, 320), new Point(-42, -74), new Point(42, 74))
 	]);
-	compareNumbers(path.length, 172.10122680664062);
+	var t = Date.now(), c = 1000;
+	for (var i = 0; i < c; i++) {
+		var length = path.length;
+	}
+	window.console.log(Date.now() - t, length);
+	compareNumbers(length, 172.10122680664062);
+
+	var t = Date.now(), c = 1000;
+	for (var i = 0; i < c; i++) {
+		var param = path.curves[0].getParameter(length / 4);
+	}
+	window.console.log(Date.now() - t, param);
+	compareNumbers(param, 0.2255848449949521);
 });