引言
不要再犹豫写单元测试是否浪费时间，是否能减少开发过程中的bug，Just do it！
开发环境及相关配置
Win7 OS
Visual Studio 2012 IDE
.Net Framework 4.5
Resharper （username:ronle , key:ZoJzmeVBoAv9Sskw76emgksMMFiLn4NM）
NUnit Framework(Installed by NuGet package manage tool)
Windows Console Application Project in C# Programming (Just an project example,you could use Unit Testing in other project such as Mvc,WCF,Web Service )
代码示例
代码主要功能：通过比较寻找一个list中的最大值。
1.项目代码
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace UnitTestDemo { public class Cmp { public static int Largest(int[] list) { int max = Int32.MinValue; if (list.Length == 0) { throw new AggregateException("Empty list"); } for (int index=0; index < list.Length; index++) { if (list[index] > max) { max = list[index]; } } return max; } } } |
2.针对项目代码写的测试代码
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using NUnit.Framework; using UnitTestDemo; namespace UnitTestDemo.Test { [TestFixture] public class TestCmp { [Test] public void LargestOfNegative() { Assert.AreEqual(-7,Cmp.Largest(new int[]{-9,-7,-8})); } [Test,ExpectedException(typeof(AggregateException))] public void LargestOfEmpty() { Cmp.Largest(new int[] {}); } } } |
