public static class UnityContainerExtensions
{
    public static void AssertMappingsAreValid(this IUnityContainer container)
    {            
        foreach (var registration in container.Registrations)
        {
            container.Resolve(registration.RegisteredType, registration.Name);
        }
    }
}

public class UnityControllerActivator : IControllerActivator
    {
 
        private IUnityContainer _container;
 
        public UnityControllerActivator(IUnityContainer container)
        {
            _container = container;
        }

protected void RegisterDependencyInjection()
        {
            _container = new UnityContainer();
            _container.RegisterType<IControllerActivator, UnityControllerActivator>();
 
            _container.RegisterType<ISimpleService, DefaultSimpleService>();
            
            DependencyResolver.SetResolver(new UnityDependencyResolver(_container));
        }

public class UnityDependencyResolver : IDependencyResolver
{
 
        private IUnityContainer _container;
 
        public UnityDependencyResolver(IUnityContainer container)
        {
            _container = container;
        }

using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using Microsoft.Practices.Unity;
using Microsoft.Practices.Unity.InterceptionExtension;
using System.Collections;
 
namespace ConsoleApplicationUnityIntercep