using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
using System.Collections;
using System.Diagnostics;
 
namespace ConsoleApplication1
{
    class Program
    {
        static bool terminated = false;
 
        static void Main(string[] args)
        {
            for (int i = 0; i < 15; i++)
            {
                Console.Write(string.Format("Test {0}...", i+1));
                ExecuteTest();
            }
 
            Console.WriteLine("DONE - Press ENTER to exit");
            Console.ReadLine();
        }
 
        private static void ExecuteTest()
        {
            var sw = new Stopwatch();
            sw.Start();
 
            System.Threading.Thread.CurrentThread.Priority = ThreadPriority.Normal;
            GC.Collect();
 
            for (int i = 0; i < 50; i++)
            {
                var threads = StartThreads();
 
                foreach (Thread t in threads)
                {
                    t.Abort();
                    GC.Collect();
                }
                terminated = true;
 
                foreach (Thread t in threads)
                {
                    t.Join();
                }
            }
 
            Console.WriteLine("Done..{0} ms", sw.ElapsedMilliseconds);
        }
 
        private static List<Thread> StartThreads()
        {
            var result = new List<Thread>();
            for (int i = 0; i < 1; i++)
            {
                var thread = new Thread(doNothingTest);
                thread.Priority = ThreadPriority.Lowest;
                thread.Start();
                result.Add(thread);
            }
 
            var thread2 = new Thread(allocTest);
            thread2.Priority = ThreadPriority.Lowest;
            thread2.Start();
            result.Add(thread2);
 
            for (int i = 0; i < 100; i++)
            {
                var thread = new Thread(allocTest);
                thread.Priority = ThreadPriority.Lowest;
                thread.Start();
                result.Add(thread);
            }
            return result;
        }
 
        static void allocTest()
        {
            int j=0;
            while (!terminated)
            {
                ArrayList list = new ArrayList();
                for (int i = 0; i < 1000; i++)
                {
                    list.Add(new Program());
                }
                list.Clear();
                if (j % 1 == 0)
                {
                    GC.Collect();
                }
 
                System.Threading.Thread.Sleep(1);
            }
        }
 
        static void doNothingTest()
        {
            while (!terminated)
            {
            }
        }   
    }
}