vs+xunit 单元测试

public class HelloTest
 {
     //xunit提供默认输出接口
     private readonly ITestOutputHelper _output;

     public HelloTest(ITestOutputHelper output)
     {
         _output = output;
     }
     [Fact]
     public void Test1()
     {
         _output.WriteLine("Hello");
     }
     //InlineData，输入参数，可以多次
     [Theory]
     [InlineData(1,2,3)]
     [InlineData(4, 5,8)]
     public void Test2(int a,int b,int expectedReuslt)
     {
         var addResult = this.add(a,b);
         _output.WriteLine($"arg1:{a},arg2:{b},actual Result:{addResult},expected Result:{expectedReuslt}");
         Assert.Equal(addResult, expectedReuslt);
     }
     private int add(int a,int b)
     {
         return a + b;
     }
 }