Visual Studio: How to create NUnit Test

To play demo, you need to create a MyMath class as below

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace NUnitTestDemo
{
    public class MyMath
    {
        public int Add(int a,int b)
        {
            return a + b*2;
        }

        public int Sub(int a,int b)
        {
            return a - b;
        }
    }
}

To work with extensions and updates, click on the Tool->Extension and Updates and then select NUnit Test Adapter. A test class can be created as shown in the listing below:

using NUnit.Framework;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace NUnitTestDemo
{
    [TestFixture]
    class MyTestCase
    {
        [TestCase]
        public void Add()
        {
            MyMath math = new MyMath();
            Assert.AreEqual(31, math.Add(20, 11));
        }

        [TestCase]
        public void Sub()
        {
            MyMath math = new MyMath();
            Assert.AreEqual(10, math.Sub(20, 10));
        }
    }
}

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