public MyPrincal2(MyIndetity2 MyIndetity2)
 {
     _MyIndetity2 = MyIndetity2;
     RoleList     = new List <string> {
         "role1", "role2", "role3"
     };
 }
        // GET: IIdentityDemo2
        public ContentResult Index()
        {
            //var MyIndetity2 = new MyIndetity2("fairy", new List<string> { "admin" }, 13456);
            var myIndetity2 = new MyIndetity2
            {
                UserName = "******",
                UserId   = 13456,
                Roles    = "role1,role2"
            };

            HttpContext.User = new MyPrincal2(myIndetity2);
            var a = HttpContext.User.Identity.IsAuthenticated;
            var b = HttpContext.User.IsInRole(myIndetity2.Roles);

            return(Content(""));
        }