public void ApplyFamilyDiscount()
{
double bookOrderWithDiscount = 0;
double expected = 14;
if (booking.IsFamilyDiscount(bookOrder))
{
bookOrderWithDiscount = booking.ApplyFamilyDiscount(bookOrder, bookOrder.RentalType).Price;
Assert.AreEqual(bookOrderWithDiscount, expected);
}
else
{
Assert.AreSame(bookOrder, booking.ApplyFamilyDiscount(bookOrder, bookOrder.RentalType));
}
}
