public void TakeDelivery(int sum) { if (sum >= 3500) { FreeDelivery?.Invoke(); } else { PaidDelivery?.Invoke(this, null); } }
public void DeliveryTest() { Assert.AreEqual(500, DeliverIt.CalculateCost()); Assert.AreEqual(0, FreeDelivery.CalculateCost()); }