下面的代码将演示如何使用NUnit进行并发测试，启动多线程插入多个数据，并在插入完数据后删除数据

using System;
using System.Collections.Generic;
using System.Text;
using NUnit.Framework;
using WYEng.SQLServerDAL;
using System.Threading;
using System.Data;
using System.Data.SqlClient;

namespace WYEng.TestUnit
...{
    [TestFixture]
    public class ExamComputerInfo
    ...{
        SQLServerDAL.ExamComputerInfo computerInfo;
        WYEng.Model.ExamComputerInfo mCompuerInfo;
        private int j = 0;
        private int computerID = 0;
        private string PARAM_COMPUTERID = "@ComputerID";
        [SetUp]
        public void CreateObject()
        ...{
            computerInfo = new WYEng.SQLServerDAL.ExamComputerInfo();
            mCompuerInfo = new WYEng.Model.ExamComputerInfo();
            TestGetComputerID();
        }

        [TearDown]
        public void DeleteObject()
        ...{
            TestDeleteComputerInfo();
            computerInfo = null;
            mCompuerInfo = null;

        }
        private void TestGetComputerID()
        ...{
            computerID = XPWY.DBUtility.DBHelperSQL.GetMaxID("ComputerID", "ExamComputerInfo");
        }
        private void TestDeleteComputerInfo()
        ...{
            Console.WriteLine(computerID.ToString());
            string strSql = "DELETE FROM ExamComputerInfo WHERE ComputerID>=@ComputerID";
            SqlParameter pram = new SqlParameter(PARAM_COMPUTERID, SqlDbType.Int);
            pram.Value = computerID;
            XPWY.DBUtility.DBHelperSQL.ExecuteSql(strSql,pram);
        }
        [Test]
        [Ignore("为了测试并发插入的问题，屏蔽该方法")]
        public void GetComputerInfo()
        ...{
            Thread[] threads = new Thread[1000];
            for (int i = 0; i < 1000; i++)
            ...{
                Thread t = new Thread(new ThreadStart(Func));
                threads[i] = t;
            }
            for (int i = 0; i < 1000; i++)
            ...{
                threads[i].Start();
            }
    
           
        }
        private void Func()
        ...{
            mCompuerInfo = computerInfo.GetComputerInfo(1);
            Assert.AreEqual(mCompuerInfo.ComputerName, "YMF-XPWY");
        }
        [Test]
        public void GetComputerInfoByMAC()
        ...{
            mCompuerInfo = computerInfo.GetComputerInfoByMAC("00:1B:FC:64:6C:A3");
            Assert.AreEqual(mCompuerInfo.ComputerName, "YMF-XPWY");//正常条件
            mCompuerInfo = computerInfo.GetComputerInfoByMAC("00:sdfsdfsdf");
            Assert.AreEqual(mCompuerInfo, null);//边界条件
        }

        [Test]
        public void TestInsertCPInfoWhileMorePeoper()
        ...{
            Thread[] threads = new Thread[1000];
            for (int i = 0; i < 1000; i++)
            ...{
                j++;
                threads[i] = new Thread(new ThreadStart(TestInsertCPInfo));
                threads[i].Start();
            }
        }
        private void TestInsertCPInfo()
        ...{
            mCompuerInfo.AudioDapater = j.ToString();
            mCompuerInfo.BrowserInfo = j.ToString();
            mCompuerInfo.ComputerName = "fw";
            mCompuerInfo.EthernetAddress = "asdsad";
            mCompuerInfo.ExamSeatNo = j;
            mCompuerInfo.IpAddress = "192.168.0.1";
            mCompuerInfo.IsTestPassed = true; ;
            mCompuerInfo.NotPassedError = "yes";
            mCompuerInfo.OSName = "OSName";
            mCompuerInfo.OSVersion = "1.0.1";
            computerInfo.InsertCPInfo(mCompuerInfo);
        }
    }
}