NTime 是一款用来测试 .NET 应用性能的单元测试工具，

using System;  using NTime.Framework;    namespace NTime.Tests  {      /// <SUMMARY>      /// This is a tested class.      /// </SUMMARY>      [TimerFixture]      public class TestClass      {          [TimerFixtureSetUp]          public void GlobalSetUp()          {              // initialize one-time initialization data in              // this testfixture.          }            [TimerFixtureTearDown]          public void GlobalTearDown()          {              // release one-time initialized data in              // this testfixture.          }            [TimerSetUp]          public void LocalSetUp()          {              // initialize data for every test found              // in this testfixture class          }            [TimerTearDown]          public void LocalTearDown()          {              // release data for every finished test              // found in this testfixture class          }            [TimerHitCountTest(300, Threads = 3,            Unit = TimePeriod.Second)]          public void WebRequest()          {              // invoke some code from real application              // to test its functions against specified              // performance.              // in example we will keep our fictional              // web server's response at 10 milliseconds              if(System.Threading.Thread.CurrentThread.Name ==                                                     "NTimeThread_0")                System.Threading.Thread.Sleep(5);              else if(System.Threading.Thread.CurrentThread.Name ==                                                      NTimeThread_1")                System.Threading.Thread.Sleep(8);              else                System.Threading.Thread.Sleep(10);          }            [TimerDurationTest(20, Unit = TimePeriod.Millisecond)]          public void GameScreenFlicking()          {              // we want to calc game AI, 3d engine and              // other stuff to keep it running at 50Hz              // vertical screen sync.              System.Threading.Thread.Sleep(5);          }            [TimerDurationTest(10, Unit = TimePeriod.Millisecond)]          [TimerIgnore("This test is disabled.")]          public void SuperSortAlgorithm()          {              // code here will not be profiled until TimerIgnore              // flag was removed.          }            [TimerCounterTest("Process", "% Processor Time",             Threads = 1, InstanceName = "NTimeGUI",             MinimumValue = 0, MaximumValue = 50)]          public void ProcessorUsage()          {              // we want to see whether our application is              // optimized to work with minimal CPU usage.              for(int i = 0; i < 150; i++)              {                  System.Threading.Thread.Sleep(30);              }          }      }  }

项目主页：http://www.open-open.com/lib/view/home/1330432336967