diff --git a/test/function.vli b/test/function.vli
index 527cc01..dbfe738 100644
--- a/test/function.vli
+++ b/test/function.vli
@@ -43,3 +43,10 @@
 
 (fn add-four (x) (+ x four))
 (assert (= (add-four 5) 9))
+
+
+;; Passing lisp functions to native functions as parameters
+;; (map is implemented in C++)
+
+(assert (= (map '(1 2 3) (fn square (x) (* x x)))
+           '(1 4 9)))