public void TestTotalCostWithNoDiscount()
{
List <ShoppingCart> cart = new List <ShoppingCart>();
cart.Add(new ShoppingCart()
{
Product = new ShoppingProduct()
{
Name = "A", UnitPrice = 50.0
}, Quantity = 1
});
cart.Add(new ShoppingCart()
{
Product = new ShoppingProduct()
{
Name = "B", UnitPrice = 30.0
}, Quantity = 1
});
cart.Add(new ShoppingCart()
{
Product = new ShoppingProduct()
{
Name = "C", UnitPrice = 20.0
}, Quantity = 1
});
cart.Add(new ShoppingCart()
{
Product = new ShoppingProduct()
{
Name = "D", UnitPrice = 15.0
}, Quantity = 1
});
Assert.Equal(115, _sut.CalculateTotalCost(cart));
}
public void CalculateTotalCost_ReturnsADiscountedCostOfFifty_WhenItemAIsAddedSixTimes()
{
//arrange
const int expected = 50;
for (int i = 0; i < 6; i++)
{
Checkout.AddItem("A");
}
//act
var actual = Checkout.CalculateTotalCost();
//assert
Assert.Equal(expected, actual);
}