Merge branch 'test-world' into 'master'

test of World methods

See merge request mhart/DancingDroids!24

src/main.rs

@@ -181,4 +181,44 @@ mod tests {
         assert!(open_file("two_robots.txt").is_ok());
         assert!(open_file("test_unexisting_file.extension").is_err());
     }
+
+    #[test]
+    fn test_create_map() {
+        let mut w: World = World {
+            x: 5,
+            y: 5,
+            map: Vec::new(),
+        };
+        w.create_map();
+        assert_eq!(w.map, vec!['.'; 25]);
+    }
+
+    #[test]
+    fn test_set_robot() {
+        let r = Robot {
+            id: 0,
+            o: Orientation::N,
+            p: Position { x: 0, y: 0 },
+            q: Queue::new(),
+        };
+        let mut w: World = World {
+            x: 2,
+            y: 2,
+            map: Vec::new(),
+        };
+        w.create_map();
+        w.set_robot(r);
+        assert_eq!(w.map, vec!['↑', '.', '.', '.']);
+    }
+
+    #[test]
+    fn test_empty_position() {
+        let mut w: World = World {
+            x: 2,
+            y: 2,
+            map: Vec::new(),
+        };
+        w.create_map();
+        assert!(w.empty_position(Position { x: 0, y: 0 }));
+    }
 }