public void AddToGraphTest() { hotel.Areas.Add(new Room() { AreaType = "Room", Classification = "1 Vis", Position = new Vector2(1, 1), }); hotel.Areas.Add(new Room() { ID = 5, AreaType = "Room", Classification = "1 Vis", Position = new Vector2(1, 2), }); hotel.Areas.Add(new Room() { AreaType = "Room", Classification = "1 Vis", Position = new Vector2(1, 3), }); hotel.Areas.Add(new Room() { AreaType = "Room", Classification = "2 Vis", Position = new Vector2(1, 4), }); hotel.Areas.Add(new Stairs() { AreaType = "Stairs", Position = new Vector2(2, 1), Dimension = new Vector2(1, 4), }); hotel.Areas.Add(new Elevator() { AreaType = "Elevator", Position = new Vector2(0, 1), Dimension = new Vector2(1, 4), }); List <Node> nodes = new List <Node>(); var prop = simplePath.GetType().GetField("_allNodesCopy", BindingFlags.NonPublic | BindingFlags.Instance); prop.SetValue(simplePath, nodes); hotel.AddToGraph(simplePath); Assert.AreEqual(2, nodes.Find(pos => pos.Value == new Vector2(1, 2)).Edges.Count); }