diff --git a/test/rustint/core_test.clj b/test/rustint/core_test.clj
index 1b05cb3..9351539 100644
--- a/test/rustint/core_test.clj
+++ b/test/rustint/core_test.clj
@@ -296,3 +296,13 @@
     )
   )
 )
+
+(deftest get-rust-formatters-03
+  (testing "Test 03 get-rust-formatters"
+    (is (=
+          (get-rust-formatters "{} elevado a la {} es\t{}")
+          '(nil nil nil)
+        )
+    )
+  )
+)