From 28a8753d55705cad15a4e809590e629529f73214 Mon Sep 17 00:00:00 2001
From: 0xalivecow <mail@ta-lotz.de>
Date: Wed, 30 Oct 2024 18:00:09 +0100
Subject: [PATCH] feat: add test case for XEX empty

---
 src/utils/ciphers.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/utils/ciphers.rs b/src/utils/ciphers.rs
index 6ffa52a..a9548e8 100644
--- a/src/utils/ciphers.rs
+++ b/src/utils/ciphers.rs
@@ -167,4 +167,17 @@ mod tests {
 
         Ok(())
     }
+
+    #[test]
+    fn test_xex_encrypt_empty_case() -> Result<()> {
+        let key = BASE64_STANDARD.decode("B1ygNO/CyRYIUYhTSgoUysX5Y/wWLi4UiWaVeloUWs0=")?;
+        let tweak = BASE64_STANDARD.decode("6VXORr+YYHrd2nVe0OlA+Q==")?;
+        let input = BASE64_STANDARD.decode("")?;
+
+        let output = BASE64_STANDARD.encode(xex_encrypt(key, &tweak, &input)?);
+
+        assert_eq!(output, "");
+
+        Ok(())
+    }
 }