public void Scan7AItemsAnd2BItemAnd2DItemsAnd2cItemsShouldReturn425()
{
var chk = new Checkout();
chk.Scan("A");
chk.Scan("A");
chk.Scan("A");
chk.Scan("A");
chk.Scan("A");
chk.Scan("A");
chk.Scan("A");
chk.Scan("B");
chk.Scan("B");
chk.Scan("C");
chk.Scan("C");
chk.Scan("D");
chk.Scan("D");
Assert.AreEqual(425, chk.GetTotal());
}
public void can_apply_different_offers()
{
var checkout = new Checkout();
var offers = new List <Offer>
{
new Offer("A", 2, 20),
new Offer("J", 1, 10)
};
ScanItemMultipleTimes(checkout, _item1, 6); // total = 300, discount = 60
ScanItemMultipleTimes(checkout, _item2, 4); // total = 120, discount = 0
var expectedSubTotal = 420;
var expectedDiscount = 60;
var expectedTotal = expectedSubTotal - expectedDiscount;
Assert.Equal(expectedTotal, checkout.GetTotal(offers));
}