//  
//  Copyright (C) 2009 Thomas Mullaly
// 
//  This program is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
// 
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
// 
//  You should have received a copy of the GNU General Public License
//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
// 
using System;
using System.Collections.Generic;
using System.Diagnostics;

using STL;

namespace Test
{
	class MainClass
	{
		public static void Main(string[] args)
		{
			IntegrityTest();
		}
        
        public static void IntegrityTest()
        {
            Console.WriteLine("Beginning integrity test.");
            
            // Used to keep track of time.
            Stopwatch watch = new Stopwatch();
            watch.Start();
            
            // Vector of TestClass'es.
            Vector<TestClass> vector = new Vector<TestClass>();
            
            // Number of TestClass'es to create.
            int n = 1000000;
            
            // Used to test whether the item has been collected by the GC.
            WeakReference [] refs = new WeakReference[n];
            
            Console.WriteLine("Adding {0} item(s) to the vector.", n);
            
            // Add the items to the vector.
            for (int i = 0; i < n; ++i) {
                TestClass test = new TestClass(n);
                
                vector.PushBack(test);
                
                refs[i] = new WeakReference(test);
            }
            
            Console.WriteLine("All Items added to vector in {0} ms.", watch.ElapsedMilliseconds);
            
            // Force a GC collection so we can test that
            // all of the TestClass items are still in
            // memory.
            GC.Collect();
            
            Console.WriteLine("Testing data integrity.");
            
            // Find out if any items were lost.
            int lost = 0;
            for (int i = 0; i < n; ++i) {
                if (!refs[i].IsAlive) {
                    ++lost;
                }
            }
            
            if (lost == 0) {
                Console.WriteLine("No items lost.");
            } else {
                Console.WriteLine("{0} of {1} item(s) lost.", lost, n);
            }
            
            watch.Stop();
            
            // Clean up.
            vector.Dispose();
            
            Console.WriteLine("Integrity test complete.");
            Console.WriteLine("Time taken: {0} ms.", watch.ElapsedMilliseconds);
        }
	}
}