public void UpdateTotalWithNoItems() { var expected = 0M; var result = CheckoutHelpers.UpdateTotal(0, 0.25M); Assert.Equal(result, expected); }
[InlineData(3)] //3 Oranges @ £0.60 = £1.20 public void UpdateTotalWithThreeForTwoTheory(int quantity) { var expected = 1.20M; var result = CheckoutHelpers.UpdateTotal(quantity, 0.60M, Discounts.BuyThreeForTwo); Assert.Equal(result, expected); }
public void UpdateTotalWithThreeForTwo() { var expected = 2.40M; //6 Oranges @ £0.60 = £2.40 var result = CheckoutHelpers.UpdateTotal(6, 0.60M, Discounts.BuyThreeForTwo); Assert.Equal(result, expected); }
[InlineData(2)] //2 Apples @ £0.25 = £0.25 public void UpdateTotalWithBuyOneGetOneFreeDiscountTheory(int quantity) { var expected = 0.25M; var result = CheckoutHelpers.UpdateTotal(quantity, 0.25M, Discounts.BuyOneGetOneFree); Assert.Equal(result, expected); }
public void UpdateTotalWithBuyOneGetOneFreeDiscount() { var expected = 1M; //8 Apples @ £0.25 var result = CheckoutHelpers.UpdateTotal(8, 0.25M, Discounts.BuyOneGetOneFree); Assert.Equal(result, expected); }
public void UpdateTotalWithNegativeQuantity() { Assert.Throws <ArgumentOutOfRangeException>(() => CheckoutHelpers.UpdateTotal(-5, 0.25M)); }