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 System.Collections.ObjectModel;

using System.Threading.Tasks;

​

using System.Text.Json;

using System.Text.Json.Serialization;

​

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

​

//https://stackoverflow.com/questions/66092495/jsonconvert-deserialize-object-out-of-memory-exception

​

    public class Doc

    {

        public Guid Id { get; set; }

        public byte[] Document { get; set; }

    }

​

    public class Program

    {

        public static async Task Test()

        {

            var inDoc = new Doc

            {

                Id = Guid.Parse("81a130d2-502f-4cf1-a376-63edeb000e9f"),

                Document = Enumerable.Range(0, short.MaxValue).Select(i => unchecked((byte)i)).ToArray(),

            };

​

            var inJson = Newtonsoft.Json.JsonConvert.SerializeObject(inDoc);

            Console.WriteLine(inJson);

            var inBytes = Encoding.UTF8.GetBytes(inJson);

            using var responseStream = new MemoryStream(inBytes);       

            var doc = await JsonSerializer.DeserializeAsync<Doc>(responseStream);

            Assert.AreEqual(inDoc.Id, doc.Id, "Id");

            Assert.IsTrue(inDoc.Document.SequenceEqual(doc.Document));

        }

        public static async Task Main(string[] args)

        {

            Console.WriteLine("Environment version: {0} ({1})", System.Runtime.InteropServices.RuntimeInformation.FrameworkDescription , GetNetCoreVersion());

            Console.WriteLine("{0} version: {1}", typeof(JsonSerializer).Assembly.GetName().Name,  typeof(JsonSerializer).Assembly.FullName);

            Console.WriteLine();

​

            try

            {

                await Test();

            }

            catch (Exception ex)

            {

                Console.WriteLine("Failed with unhandled exception: ");

                Console.WriteLine(ex);

                throw;

            }

        }

        public static string GetNetCoreVersion()

        {

            //https://techblog.dorogin.com/how-to-detect-net-core-version-in-runtime-ecd65ad695be

            //

            var assembly = typeof(System.Runtime.GCSettings).GetTypeInfo().Assembly;

            var assemblyPath = assembly.CodeBase.Split(new[] { '/', '\\' }, StringSplitOptions.RemoveEmptyEntries);

            int netCoreAppIndex = Array.IndexOf(assemblyPath, "Microsoft.NETCore.App");

            if (netCoreAppIndex > 0 && netCoreAppIndex < assemblyPath.Length - 2)

                return assemblyPath[netCoreAppIndex + 1];

            return null;

        }

    }

​