public void CalculateNewPrice_AppliesInnerSpecialToAllItems_WhenExactAmountOfItemsAreBought()
{
// $1 per item
EachesGroceryItemSpecialFake innerSpecial =
new EachesGroceryItemSpecialFake(1.00M);
LimitedEachesGroceryItemSpecial special =
new LimitedEachesGroceryItemSpecial(innerSpecial, 5);
Assert.AreEqual(5.00M, special.CalculateNewPrice(1.89M, 5));
}
public void CalculateNewPrice_AppliesInnerSpecialOnlyToSpecifiedNumberOfItems_WhenExtraItemsAreBought()
{
// $1 per item
EachesGroceryItemSpecialFake innerSpecial =
new EachesGroceryItemSpecialFake(1.00M);
LimitedEachesGroceryItemSpecial special =
new LimitedEachesGroceryItemSpecial(innerSpecial, 5);
// first 5 should be 1.00 each = 5.00
// last 2 should be at 1.89 = 3.78
// total should be 8.78
Assert.AreEqual(8.78M, special.CalculateNewPrice(1.89M, 7));
}
