public void GetListOfEmptyRooms()
{
// Arrange
IRoomAccess service = new RoomAccess();
service.GenerateBasicHotel(3, 2, 3);
var guest1 = new Guest(fname: "Some", lname: "Body");
string roomNumber1 = service.GetRoomNumbers()[4];
service.AssignGuestToRoom(guest1, roomNumber1);
var guest2 = new Guest(fname: "Noone", lname: "Special");
string roomNumber2 = service.GetRoomNumbers()[3];
service.AssignGuestToRoom(guest2, roomNumber2);
var guest3 = new Guest(fname: "Short", lname: "Timer");
string roomNumber3 = service.GetRoomNumbers()[5];
service.AssignGuestToRoom(guest3, roomNumber3);
service.UnassignGuestFromRoom(guest3, roomNumber3);
// Act
List<Room> list = service.GetAllEmptyRooms();
// Assert
Assert.AreEqual(3*2*3 - 2, list.Count, "Expected number of empty rooms incorrect");
Assert.IsTrue(list.All(room => room.Guest == null), "Not all rooms returned are empty");
}
