Simpler Automapper Test Case

automapper_test_simple.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Runtime.InteropServices;
using Shouldly;
using Xunit;

namespace AutoMapper.UnitTests2
{
    public class HolderTests
    {
        private IMapper _mapper;

        [Fact()]
        [Trait("Category", "Instant")]
        public void MethodName()
        {
            //Create Mapper.
            var config = new MapperConfiguration(cfg =>
            {
                cfg.CreateMap<ObjectOne, ObjectTwo>();
                cfg.CreateMap<ObjectTwo, ObjectOne>();
            });
            //Fails in the line above so the code below doesn't even run.
            config.AssertConfigurationIsValid();
            _mapper = config.CreateMapper();
        }
    }

    public class ObjectOne
    {
        public byte[] Image { get; set; }
    }

    public class ObjectTwo
    {
        public Holder<byte[]> Image { get; private set; } = new Holder<byte[]>();
    }

    public class Holder<T>
    {
        public T Value { get; set; }
        public void SetValue(object o) => Value = (T) o;
    }
}