From bef26b3df5317fcf7192635bfc10af3c5a3f5f9b Mon Sep 17 00:00:00 2001
From: yoshidan <naohiro.y@gmail.com>
Date: Tue, 27 Feb 2024 23:13:52 +0900
Subject: [PATCH] add test

Signed-off-by: yoshidan <naohiro.y@gmail.com>
---
 crates/ibc/src/client_state.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/crates/ibc/src/client_state.rs b/crates/ibc/src/client_state.rs
index 370f8d9..9af104b 100644
--- a/crates/ibc/src/client_state.rs
+++ b/crates/ibc/src/client_state.rs
@@ -989,4 +989,15 @@ mod tests {
             panic!("expected error");
         }
     }
+
+    #[test]
+    fn test_trim_left_zero() {
+        assert_eq!(trim_left_zero(&[1, 2, 3, 4]), [1, 2, 3, 4]);
+        assert_eq!(trim_left_zero(&[1, 2, 3, 0]), [1, 2, 3, 0]);
+        assert_eq!(trim_left_zero(&[0, 2, 3, 0]), [2, 3, 0]);
+        assert_eq!(trim_left_zero(&[0, 0, 3, 0]), [3, 0]);
+        assert_eq!(trim_left_zero(&[0, 0, 0, 4]), [4]);
+        assert!(trim_left_zero(&[0, 0, 0, 0]).is_empty());
+        assert!(trim_left_zero(&[]).is_empty());
+    }
 }