using System;
using System.Diagnostics;namespace unittest
{class MainClass{public static void TestTimer1(){////System.DateTime.Now.Ticks 与 System.Environment.TickCount一样误差很大//与stopwatch相比，误差约40-100MS ！！//stopwatch与UnityEngine.Time.realtimeSinceStartup很接近，小于10MS//测试环境如下：//Unity2019 for mac//Visual Studio 2019 for mac//型号标识符：    MacBookPro16,1//处理器名称：    6 - Core Intel Core i7//处理器速度：    2.6 GHz//处理器数目：    1//核总数：    6//L2缓存（每个核）：    256 KB//L3缓存：    12 MB//超线程技术：    已启用//内存：    16 GB//Boot ROM版本：    1037.100.362.0.0(iBridge: 17.16.14281.0.0, 0)//序列号（系统）：    C02ZP9N6MD6M//硬件UUID：    ABB63E9E - F693 - 5620 - 8B44 - BF0A93F6897A//激活锁状态：    已停用var t1 = System.Environment.TickCount;//预热一下
SomeWork();var t2 = System.Environment.TickCount;var ms = t2 - t1;Console.WriteLine("time1: " + ms);}public static void TestTimer2(){var wat = Stopwatch.StartNew();var t1 = wat.ElapsedMilliseconds;SomeWork();var t2 = wat.ElapsedMilliseconds;var dt = t2 - t1;Console.WriteLine("time2: " + dt);}public static void SomeWork(){//Console.WriteLine("Hello World!");int[] arr = new int[10];for (int i = 0; i < 10; i++){arr[i] = i;}var sum = 0.0d;for (int i = 0; i < 100000000; i++){sum += Math.Sqrt(i);}//arr[9] = arr[9];//for (int i = 0; i < 10; i++)//{//    Console.Write(arr[i] + ",");//}//Console.WriteLine("addfsfasfasfsdfasdfsdf");
        }public static void Main(string[] args){TestTimer1();TestTimer2();}}
}