namespace utility
{
    using Console   = System.Console;
    using Counter   = System.Diagnostics.Counter;
    using Hashtable = System.Collections.Hashtable;
    using Random    = System.Random;
    using Thread    = System.Threading.Thread;

    /// <summary>
    /// A program to test some aspects of the Date interface
    /// and the DateImpl class.
    /// </summary>
    public class DateTest
    {
        public static int Main(string[] args)
        {
            int tSize = 100;
            Random tRandom = new Random();
            Hashtable tHashtable = new Hashtable();
            for (int i=1;i<=tSize;i++)
            {
                int tYear = tRandom.Next(1900, 2000);
                int tMonth = tRandom.Next(1, 13);
                int tDay = tRandom.Next(1, 29);
                 // Console.WriteLine(tYear*10000+tMonth*100+tDay);
                Date tDate = new DateImpl(tYear, tMonth, tDay);
                tHashtable.Add(i, tDate);
            }
            for (int j=1;j<=20;j++)
            {
                DateImpl.Count = 0;
                long tStart = Counter.Value;
                for (int i=1;i<=tSize;i++)
                {
                    Date tDate = (Date)tHashtable[i];
                    bool tFound = tHashtable.ContainsValue(tDate);
                }
                long tFinish = Counter.Value;
                Console.WriteLine(DateImpl.Count + " " + (tFinish - tStart));
            }
            // Console.Write("Type in a date: ");
            // string tDateString = Console.ReadLine();
            // Date tFirstDate = new DateImpl(tDateString);
            // Console.WriteLine(tFirstDate.ToString());
            Thread.Sleep(3000);
            return 0;
        }
    }
}