public void CalculateDiscount_ReturnZero_WithEmptyCrat() { //Fixture setup var shoppingCart = GetShoppingCartWithNoItems(); calculateDiscount calDiscount = new calculateDiscount(shoppingCart); //Exercise system var actual = calDiscount.CalculateDiscount(); //verify outcome Assert.AreEqual(actual, 0); }
public void CalculatDiscount_ReturnCorrectResult_calculatedPerType_WithOneItem(double discount, int quantity, double expected) { //Fixture setup var shoppingCart = GetShoppingCartWithOneItem(discount, quantity); shoppingCart.AddDiscount(new discount(shopping_cart.DiscountType.perType, 0.0)); calculateDiscount calDiscount = new calculateDiscount(shoppingCart); //Exercise system var actual = calDiscount.CalculateDiscount(); //verify outcome Assert.AreEqual(actual, expected); }
public void CalculateDiscount_ReturnCorrectResult_calculatedPerItem_WithManyItems(double[] discounts, int[] quantities, double expected) { //Fixture setup var shoppingCart = GetShoppingCartWithManyItems(discounts, quantities); shoppingCart.AddDiscount(new discount(shopping_cart.DiscountType.perItem, 0.0)); calculateDiscount calDiscount = new calculateDiscount(shoppingCart); //Exercise system var actual = calDiscount.CalculateDiscount(); //verify outcome Assert.AreEqual(actual, expected); }