diff --git a/single_file_tests/ref_n_and.rs b/single_file_tests/ref_n_and.rs
index 28d6962..a429977 100644
--- a/single_file_tests/ref_n_and.rs
+++ b/single_file_tests/ref_n_and.rs
@@ -13,5 +13,16 @@ fn main() {
 
     println!("{} {}", x, x2);
     println!("{} {}", y, y2);
+
+    let s = "S".to_owned();
+
+
+    match &s {
+        ss => println!("{}", ss),
+    }
+
+    match s {
+        ref ss => println!("{}", ss),
+    }
 }