using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public enum Test

    {

        Test1,

        Test2,

        Test3

    }

    public static void Main()

    {

        foreach (var t in GetValues<Test>())

        {

            Console.WriteLine(t);

        }

    }

    public static IEnumerable<T> GetValues<T>()

    {

        return Enum.GetValues(typeof(T)).Cast<T>();

    }

}