add test_new_robot()

src/main.rs

@@ -213,6 +213,18 @@ mod tests {
         assert_eq!(w.map, vec!['.'; 25]);
     }
 
+    #[test]
+    fn test_new_robot() {
+        let mut r: Robot = Robot::new();
+        assert_eq!(r.id, 0);
+        assert!(matches!(r.o, Orientation::N));
+
+        assert_eq!(r.p.x, 0);
+        assert_eq!(r.p.y, 0);
+
+        assert_eq!(r.q.size(), 0);
+    }
+
     #[test]
     fn test_create_robot() {
         let mut r: Robot = Robot::new();