public void Profit_Surplus_Is_Negative_But_Airline_Employees_Exceed_Minimum_Percentage() { var madridToPrague = new FlightRoute("Madrid", "Prague") { BaseCost = 80, BasePrice = 150, LoyaltyPointsGained = 10, MinimumTakeOffPercentage = 0.3 }; var scheduledFlight = new ScheduledFlight(madridToPrague); scheduledFlight.SetAircraftForRoute(new Plane { Id = 124, Name = "Vader Darth-87", NumberOfSeats = 10 }); scheduledFlight.Passengers.Add(new Passenger { Type = PassengerType.AirlineEmployee, Name = "John", Age = 32, AllowedBags = 1 }); scheduledFlight.Passengers.Add(new Passenger { Type = PassengerType.AirlineEmployee, Name = "Jen", Age = 28, AllowedBags = 1 }); scheduledFlight.Passengers.Add(new Passenger { Type = PassengerType.AirlineEmployee, Name = "Tom", Age = 47, AllowedBags = 1 }); scheduledFlight.Passengers.Add(new Passenger { Type = PassengerType.LoyaltyMember, Name = "Mike", Age = 26, LoyaltyPoints = 1500, IsUsingLoyaltyPoints = true, AllowedBags = 2 }); scheduledFlight.Passengers.Add(new Passenger { Type = PassengerType.LoyaltyMember, Name = "Pan", Age = 56, LoyaltyPoints = 500, IsUsingLoyaltyPoints = false, AllowedBags = 2 }); scheduledFlight.Passengers.Add(new Passenger { Type = PassengerType.AirlineEmployee, Name = "Natalie", Age = 30, AllowedBags = 1 }); scheduledFlight.Passengers.Add(new Passenger { Type = PassengerType.Discounted, Name = "Chris", Age = 38, AllowedBags = 0 }); var costOfFlight = scheduledFlight.Passengers.Count * madridToPrague.BaseCost; var totalPriceForGeneral = scheduledFlight.Passengers.Where(p => p.Type == PassengerType.General).Count() * madridToPrague.BasePrice; var totalPriceForNonUsingLoyaltyPoints = scheduledFlight.Passengers.Where(p => p.Type == PassengerType.LoyaltyMember && p.IsUsingLoyaltyPoints == false).Count() * madridToPrague.BasePrice; var totalPriceForDiscounted = (scheduledFlight.Passengers.Where(p => p.Type == PassengerType.Discounted).Count() * madridToPrague.BasePrice) / 2; var profitFromFlight = (totalPriceForGeneral + totalPriceForNonUsingLoyaltyPoints + totalPriceForDiscounted) - costOfFlight; var seatsTaken = scheduledFlight.Passengers.Count(); Assert.True(scheduledFlight.CheckProfitSurplus(profitFromFlight)); }