namespace utility
{
    using System;
    using System.Threading;

    public class DateTest
    {
        public static void Main()
        {
            Date tDate = new DateImpl(2001, 3, 13);
            int  tYear = tDate.Year;
            tDate.Year = 2002;
            Console.WriteLine(tDate); 
            DateImpl  tDateC = new DateImpl(2001, 3, 13);
            DateImpl tTodayC = new DateImpl(2001, 3, 13);
            Date      tDateI = new DateImpl(2001, 3, 13);
            Date     tTodayI = new DateImpl(2001, 3, 13);
            object    tDateO = new DateImpl(2001, 3, 13);
            object   tTodayO = new DateImpl(2001, 3, 13);
            Console.WriteLine("tDateC.Equals(tTodayC): " + (tDateC.Equals(tTodayC)));
            Console.WriteLine("       tDateC==tTodayC: " + (tDateC==tTodayC));
            Console.WriteLine("tDateI.Equals(tTodayI): " + (tDateI.Equals(tTodayI)));
            Console.WriteLine("       tDateI==tTodayI: " + (tDateI==tTodayI));
            Console.WriteLine("tDateO.Equals(tTodayO): " + (tDateO.Equals(tTodayO)));
            Console.WriteLine("       tDateO==tTodayO: " + (tDateO==tTodayO));
            Thread.Sleep(6000);
        }
    }
}