public void CanAddTicketDiscounts()
{
var mi = new MenuItem("Elma");
mi.AddPortion("Test", 10, "TL");
var mi2 = new MenuItem("Armut");
mi2.AddPortion("Test", 15, "TL");
var ticket = new Ticket();
ticket.AddTicketItem(0, mi, "Test");
ticket.AddTicketItem(0, mi2, "Test");
Assert.IsTrue(ticket.GetSum() == 25);
ticket.AddTicketDiscount(DiscountType.Percent, 10, 0);
Assert.IsTrue(ticket.GetSum() == 22.5m);
ticket.AddTicketDiscount(DiscountType.Percent, 20, 0);
Assert.IsTrue(ticket.GetSum() == 20.0m);
ticket.AddTicketDiscount(DiscountType.Amount, 10, 0);
Assert.IsTrue(ticket.GetSum() == 10);
Assert.IsTrue(ticket.GetDiscountAndRoundingTotal() == 15);
ticket.AddTicketDiscount(DiscountType.Amount, 5, 0);
Assert.IsTrue(ticket.GetSum() == 15);
Assert.IsTrue(ticket.GetDiscountAndRoundingTotal() == 10);
ticket.AddTicketDiscount(DiscountType.Percent, 0, 0);
ticket.AddTicketDiscount(DiscountType.Amount, 0, 0);
Assert.IsTrue(ticket.GetSum() == 25);
Assert.IsTrue(ticket.GetDiscountAndRoundingTotal() == 0);
Assert.IsTrue(ticket.Discounts.Count == 0);
ticket.AddTicketDiscount(DiscountType.Percent, 50, 0);
Assert.IsTrue(ticket.GetSum() == 12.5m);
Assert.IsTrue(ticket.Discounts.Count == 1);
ticket.AddTicketDiscount(DiscountType.Percent, 0, 0);
Assert.IsTrue(ticket.Discounts.Count == 0);
Assert.IsTrue(ticket.GetSum() == 25);
ticket.TicketItems[0].Gifted = true;
Assert.IsTrue(ticket.GetSum() == 15);
ticket.AddTicketDiscount(DiscountType.Percent, 10, 0);
Assert.IsTrue(ticket.GetSum() == 13.5m);
Assert.IsTrue(ticket.GetDiscountAndRoundingTotal() == 1.5m);
ticket.TicketItems[0].Voided = true;
Assert.IsTrue(ticket.GetSum() == 13.5m);
ticket.AddTicketDiscount(DiscountType.Percent, 10, 0);
Assert.AreEqual(13.5m, ticket.GetSum());
Assert.AreEqual(1.5m, ticket.GetDiscountAndRoundingTotal());
ticket.AddTicketDiscount(DiscountType.Amount, 0.5m, 0);
Assert.AreEqual(13m, ticket.GetSum());
ticket.Discounts.Clear();
Assert.AreEqual(15m, ticket.GetSum());
var t = new VatTemplate { Rate = 10 };
var mix = new MenuItem("TestItem2") { VatTemplate = t };
mix.AddPortion("Adet", 10, "TL");
ticket.AddTicketItem(0, mix, "Adet");
Assert.AreEqual(26m, ticket.GetSum());
ticket.AddTicketDiscount(DiscountType.Percent, 10, 0);
Assert.AreEqual(23.4m, ticket.GetSum());
ticket.AddTicketDiscount(DiscountType.Amount, 0.4m, 0);
Assert.AreEqual(23m, ticket.GetSum());
}
