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);
}
}
}