[Fork] Json.NET startup fiddle

CSharp · Console

/Program.cs

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.Serialization.Formatters;
using System.IO;
using System.Data;
using System.ComponentModel.DataAnnotations;
using System.Globalization;
using System.Reflection;

using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json.Converters;
using Newtonsoft.Json.Serialization;	

using NUnit.Framework; // Throws NUnit.Framework.AssertionException

//https://stackoverflow.com/questions/56508871/newtonsoft-json-how-to-deserialize-property-into-wrapper-object

	public class Obj 
	{
		public ArrayWrapper[] Array { get; set; } // I want it to work!!!
	}

	public struct ArrayWrapper : IEnumerable<int>
	{
		private readonly int[] array;

		public int Item0 { get { return array[ 0 ]; } }
		public int Item1 { get { return  array[ 1 ]; } }

		public ArrayWrapper(int[] array) {
			this.array = array;
		}

		public ArrayWrapper(IEnumerable<int> enumerable) 
		{
			this.array = enumerable.ToArray();
		}
		
		public static implicit operator ArrayWrapper(int[] array) {
			return new ArrayWrapper( array );
		}
		
        public IEnumerator<int> GetEnumerator()
        {
            return (array ?? Enumerable.Empty<int>()).GetEnumerator();
        }

        #region IEnumerable Members

        IEnumerator IEnumerable.GetEnumerator()
        {
            return GetEnumerator();
        }

        #endregion
	}

    class TestClass
    {
        public static void Test()
        {
			var obj = new Obj
			{
				Array = new []
				{
					new ArrayWrapper(new [] { 1, 101 }),
				},
			};
			
			var json = JsonConvert.SerializeObject(obj);
			
			Console.WriteLine(json);
			
			var obj2 = JsonConvert.DeserializeObject<Obj>(json);
			
			var json2 = JsonConvert.SerializeObject(obj2);
			
			Console.WriteLine(json2);
			
			Assert.IsTrue(obj.Array.Length == obj2.Array.Length && obj.Array[0].SequenceEqual(obj2.Array[0]));
			Assert.IsTrue(JToken.DeepEquals(JToken.Parse(json), JToken.Parse(json2))); 
		}	
	}

	public class Program
	{
		public static void Main()
		{
			Console.WriteLine("Environment version: " + Environment.Version);
			Console.WriteLine("Json.NET version: " + typeof(JsonSerializer).Assembly.FullName);
			Console.WriteLine();

			try
			{
				TestClass.Test();
			}
			catch (Exception ex)
			{
				Console.WriteLine("Failed with unhandled exception: ");
				Console.WriteLine(ex);
				throw;
			}
		}
	}