public void WhenAnXForYSpecialIsAddedTheOrderTotalIsAdjusted()
{
var pricingSpecial = new XForYSpecial {
QuantityToBuy = 3, SpecialPrice = 10M
};
_pointOfSale.AddPricingSpecial("Bread", pricingSpecial);
ScanItemMultipleTimes("Bread", 8);
Assert.AreEqual(28.46M, _orderTotal);
}
public void WhenALimitIsAddedToXForYSpecialTotalIsAdjusted()
{
var pricingSpecial = new XForYSpecial {
QuantityToBuy = 3, SpecialPrice = 1, Limit = 6
};
_pointOfSale.AddPricingSpecial("Water", pricingSpecial);
ScanItemMultipleTimes("Water", 9);
Assert.AreEqual(5M, _orderTotal);
}
public void WhenItemIsRemovedSpecialIsCalculatedCorrectly()
{
var pricingSpecial = new XForYSpecial()
{
QuantityToBuy = 3, SpecialPrice = 5
};
_pointOfSale.AddPricingSpecial("Bread", pricingSpecial);
ScanItemMultipleTimes("Bread", 3);
Assert.AreEqual(5M, _orderTotal);
_orderTotal = _pointOfSale.LineItemVoid("Bread");
Assert.AreEqual(8.46M, _orderTotal);
}
