From 1e3089e10a6045b4a501c07582de5c8f2b5367cd Mon Sep 17 00:00:00 2001
From: Hokeun Kim <hokeunkim@berkeley.edu>
Date: Fri, 26 Jan 2024 13:25:27 -0700
Subject: [PATCH] Add first unit test

---
 rust/rti/src/tag.rs | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/rust/rti/src/tag.rs b/rust/rti/src/tag.rs
index 35440ae..be08273 100644
--- a/rust/rti/src/tag.rs
+++ b/rust/rti/src/tag.rs
@@ -173,7 +173,7 @@ impl Tag {
         // );
         result
     }
-
+    
     pub fn lf_tag_add(a: &Tag, b: &Tag) -> Tag {
         if a.time() == NEVER || b.time() == NEVER {
             return Tag::never_tag();
@@ -194,3 +194,15 @@ impl Tag {
         result
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_lf_tag_compare() {
+        let t1 = Tag::new(0, 0);
+        let t2 = Tag::new(0, 0);
+        assert_eq!(0, Tag::lf_tag_compare(&t1, &t2))
+    }
+}
\ No newline at end of file