add test case for empty message

1 files changed, 9 insertions, 0 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 46070fc..8b4a5e6 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -784,4 +784,13 @@ mod test {
         let plain = aez.decrypt(&[0], &[b"foobar"], 16, &cipher).unwrap();
         assert_eq!(plain, message);
     }
+
+    #[test]
+    fn test_encrypt_decrypt_empty() {
+        let aez = Aez::new(b"jimbo");
+        let hash = aez.encrypt(&[0], &[b"foobar"], 16, b"");
+
+        assert!(aez.decrypt(&[0], &[b"foobar"], 16, &hash).is_some());
+        assert!(aez.decrypt(&[0], &[b"boofar"], 16, &hash).is_none());
+    }
 }