public void LargePriceLargePercentage_ShouldHaveNoInternalOverflow()
{
var discount = new DiscountProduct{ DiscountType = DiscountType.Percentage, DiscountValue = 5000};
var actual = discount.GetAdjustedPrice(1000000);
Assert.AreEqual(500000, actual);
}
public static ProductInfo CreateProductInfo(int productPriceInCents, int itemCount, decimal vat = 19, DiscountProduct discount = null, IOrderInfo order = null)
{
var productInfo = new ProductInfo();
productInfo.IsDiscounted = discount == null;
productInfo.OriginalPriceInCents = productPriceInCents;
productInfo.Ranges = new List<Range>();
productInfo.Vat = vat;
productInfo.ItemCount = itemCount;
productInfo.Tags = new string[0];
if (order != null)
{
order.OrderLines = new List<OrderLine> {new OrderLine(productInfo, order)};
}
productInfo.Order = order ?? CreateOrderInfo(productInfo);
if (discount != null)
{
SetProductDiscountOnProductInfo(productInfo, discount);
}
return productInfo;
}
public static ProductInfo CreateProductInfo(int productPriceInCents, int itemCount, DiscountProduct discount)
{
return CreateProductInfo(productPriceInCents, itemCount, 19, discount);
}
public static void SetProductDiscountOnProductInfo(ProductInfo productInfo, DiscountProduct discount)
{
// todo: NewPrice. Maybe move this functionality elsewhere? (duplicate logic)
if (discount.DiscountType == DiscountType.Amount)
productInfo.DiscountAmountInCents = discount.RangedDiscountValue(productInfo.ItemCount.GetValueOrDefault(1));
else
productInfo.DiscountPercentage = discount.RangedDiscountValue(productInfo.ItemCount.GetValueOrDefault(1))/100m;
}