i32 test

Author: cxzl25

src/encoding/integer/rle_v2/delta.rs

@@ -286,4 +286,17 @@ mod tests {
         }
         assert_eq!(expected, out);
     }
+
+    #[test]
+    fn test_i32_add_sub_i64() {
+        let v =   -1322366118i32;
+        let i =  2281413886i64;
+        let add_result = v.add_i64(i);
+        assert_eq!(add_result, Some(959047768));
+
+        let v =   -1322366118i32;
+        let i =  -2281413886i64;
+        let sub_result = v.sub_i64(i);
+        assert_eq!(sub_result, Some(959047768));
+    }
 }