using System;
using System.Collections.Generic;
using System.Text;
using Xunit;
using CSharpUnitTesting;

namespace UnitTesting
{
    public class AdderClassTests
    {
        [Fact]
        public void AdderConstructor()
        {
            // Test the constructor worked and initialised the result
            Adder adder = new Adder();
            Assert.Equal(0, adder.GetResult());
        }

        [Fact]
        public void AddNumber()
        {
            Adder adder = new Adder();
            adder.AddNumber(4);
            Assert.Equal(4, adder.GetResult());
        }

        [Fact]
        public void AddMultipleNumbers()
        {
            Adder adder = new Adder();
            adder.AddNumber(4);
            adder.AddNumber(6);
            Assert.Equal(10, adder.GetResult());
        }
    }
}