/// <summary>
/// The test forth.
/// </summary>
private static void TestForth()
{
// Create IBM stock and attach investors
IbmStock ibmStock = new IbmStock("IBM", 120.00);
ibmStock.Attach(new Investor("Sorrows"));
ibmStock.Attach(new Investor("Berkshire"));
// Fluctuating prices will notify investors
ibmStock.Price = 120.10;
ibmStock.Price = 121.00;
ibmStock.Price = 120.50;
ibmStock.Price = 120.75;
// Wait for user
Console.ReadKey();
}
private static void ClearImplementationExample()
{
// Create stocks and attach investors
var sorrosInvestor = new SorrosInvestor();
var berkshireInvestor = new BerkshireInvestor();
var ibmStock = new IbmStock(120.00);
ibmStock.Attach(sorrosInvestor);
ibmStock.Attach(berkshireInvestor);
var googleStock = new GoogleStock(200.00);
googleStock.Attach(sorrosInvestor);
googleStock.Attach(berkshireInvestor);
// Fluctuating prices will notify investors
ibmStock.Price = 120.10;
ibmStock.Price = 121.00;
ibmStock.Detach(sorrosInvestor);
ibmStock.Price = 120.50;
ibmStock.Price = 120.75;
googleStock.Price = 202.00;
}
