public void Serialization()
        {
            MarketBasket mb = new MarketBasket();

            mb.Add(new Stock("IBM"));
            MarketBasket compare = MarketBasket.FromString(mb.ToString());

            Assert.That(compare.Count == 1);
            mb.Clear();
            compare = MarketBasket.FromString(mb.ToString());
            Assert.That(compare.Count == 0);
        }
        public void BasketBasics()
        {
            MarketBasket mb = new MarketBasket();

            Assert.That(mb != null);
            Stock i = new Stock("IBM");

            mb = new MarketBasket(i);
            Assert.That(mb.hasStock);
            mb.Remove(i);
            Assert.That(!mb.hasStock);
            mb.Add(new Stock("LVS"));
            Assert.That(mb.Get(0).Symbol == "LVS", mb[0].ToString());
            mb.Add(new Stock("IBM"));
            Assert.That(mb[1].Symbol == "IBM");
            MarketBasket newbasket = new MarketBasket(new Stock("FDX"));

            newbasket.Add(mb);
            mb.Clear();
            Assert.That(mb.Count == 0);
            Assert.That(newbasket.Count == 3);
        }