Structの間違った使い方

structの間違った使い方

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication7
{
    public struct Test
    {
        public int i1;
        public int i2;
        public int i3;
        public string s1;
        public string s2;
        public string s3;
    }

    public class IntoTest
    {
        Test test;

        public void intoTest(Test test)
        {
            this.test = test;
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine(DateTime.Now);
            int count = 100000000;
            Test test = new Test();
            IntoTest intotest = new IntoTest();

            for (int i = 0; i < count; i++)
            {
                //structを使用した場合、メモリ上でコピーが発生する
                intotest.intoTest(test);
            }
            Console.WriteLine(DateTime.Now);
            Console.ReadLine();
        }
    }
}