Exemplo n.º 1
0
        public static decimal price(string items)
        {
            char[]        itemsArray = items.ToCharArray();
            PricingRule[] rules      = new PricingRule[]
            {
                new PricingRule('A', 50),
                new PricingRule('B', 30),
                new PricingRule('C', 20),
                new PricingRule('D', 15),
                new PricingRule('A', 3, 130),
                new PricingRule('B', 2, 45),
            };
            Checkout checkout = new Checkout(rules);

            foreach (char item in itemsArray)
            {
                checkout.Scan(item);
            }
            return(checkout.Total);
        }
Exemplo n.º 2
0
        static void Main(string[] args)
        {
            assert_equal(0, price(""));
            assert_equal(50, price("A"));
            assert_equal(80, price("AB"));
            assert_equal(115, price("CDBA"));

            assert_equal(100, price("AA"));
            assert_equal(130, price("AAA"));
            assert_equal(180, price("AAAA"));
            assert_equal(230, price("AAAAA"));
            assert_equal(260, price("AAAAAA"));

            assert_equal(160, price("AAAB"));
            assert_equal(175, price("AAABB"));
            assert_equal(190, price("AAABBD"));
            assert_equal(190, price("DABABA"));

            PricingRule[] rules = new PricingRule[]
            {
                new PricingRule('A', 50),
                new PricingRule('B', 30),
                new PricingRule('C', 20),
                new PricingRule('D', 15),
                new PricingRule('A', 3, 130),
                new PricingRule('B', 2, 45),
            };

            Checkout co = new Checkout(rules);

            assert_equal(0, co.Total);
            co.Scan('A');  assert_equal(50, co.Total);
            co.Scan('B');  assert_equal(80, co.Total);
            co.Scan('A');  assert_equal(130, co.Total);
            co.Scan('A');  assert_equal(160, co.Total);
            co.Scan('B');  assert_equal(175, co.Total);
        }