diff --git a/test/array.carp b/test/array.carp
index c8f99fb3..f21b83e5 100644
--- a/test/array.carp
+++ b/test/array.carp
@@ -12,6 +12,11 @@
 
 (defn inc-ref [x] (+ @x 1))
 
+(defn cmp [a b]
+  (if (= @a @b)
+    0
+    (if (> @a @b) 1 -1)))
+
 (defn main []
   (let [a (range 0 9 1)
         b (Array.replicate 5 "Hi")]
@@ -91,6 +96,11 @@
                     &(range 10 1 -2)
                     "range backwards works as expected if we dont exactly hit"
       )
+      (assert-equal test
+                    &[1 2 3 4 5 6 7 8 9]
+                    (sort &(range 9 1 -1) cmp)
+                    "sort works as expected"
+      )
       (assert-equal test
                     &[@"Hi!" @"Hi!" @"Hi!" @"Hi!" @"Hi!"]
                     &(endo-map excl b)