diff --git a/test/rustint/core_test.clj b/test/rustint/core_test.clj
index 3276ecf..98eb094 100644
--- a/test/rustint/core_test.clj
+++ b/test/rustint/core_test.clj
@@ -217,6 +217,12 @@
   )
 )
 
+(deftest dump-01-nil
+  (testing "Test 01 dump nil"
+    (is (nil? (dump '[[POPREF 2] [PUSHFI 2] MUL [PUSHFI 1] ADD NEG])))
+  )
+)
+
 (deftest dump-02
   (testing "Test 02 dump"
     (let [
@@ -227,3 +233,9 @@
     )
   )
 )
+
+(deftest dump-02-nil
+  (testing "Test 02 dump nil"
+    (is (nil? (dump '[HLT])))
+  )
+)