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 Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using Newtonsoft.Json.Converters;

using Newtonsoft.Json.Serialization;    

​

​

    public class MyClass1: Exception

    {

        public MyClass1(string message): base(message) {}

        public virtual string ToJson()

        {

            //var settings = new JsonSerializerSettings { TypeNameHandling = TypeNameHandling.Auto, TypeNameAssemblyFormat = FormatterAssemblyStyle.Full };

            var settings = new JsonSerializerSettings { TypeNameHandling = TypeNameHandling.Auto, TypeNameAssemblyFormatHandling = TypeNameAssemblyFormatHandling.Full };

            var json = JsonConvert.SerializeObject(this, typeof(object), settings); 

            return json;

        }

    }

​

    public class MyClass2: MyClass1

    {

        public MyClass2(string message): base(message) {}

        string errorMessage = "test";

        public string ErrorMessage

        {

        get

        {

        return errorMessage;

        }

        set

        {

        errorMessage = value;

        }

        }

​

    }

​

    public class MyClass3: MyClass2

    {

            public MyClass3(string message): base(message) {}

​

    }

​

​

​

    class TestClass

    {

        public static void Test()

        {

            MyClass2 m2 = new MyClass2("Experiment");

            Test(m2);

//          Test(new MyClass2());

//          Test(new MyClass3());

        }

        public static void Test(MyClass1 obj)

        {

            var json = obj.ToJson();

            Console.WriteLine(json);

            var settings = new JsonSerializerSettings { TypeNameHandling = TypeNameHandling.Auto, TypeNameAssemblyFormatHandling = TypeNameAssemblyFormatHandling.Full };

            var d = JsonConvert.DeserializeObject(json, settings);

            Assert.IsTrue(obj.GetType() == d.GetType());

            Assert.Equals(obj.Message, ((Exception)d).Message);

        }       

​

    }

​

    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;

            }

        }

    }

​

    public class AssertionFailedException : System.Exception

    {

        public AssertionFailedException() : base() { }

​

        public AssertionFailedException(string s) : base(s) { }

    }

​

    public static class Assert

    {

        public static void IsTrue(bool value)

        {

            IsTrue(value, "failed");

        }

​

        public static void IsTrue(bool value, string message)

        {

            if (value == false)

                throw new AssertionFailedException(message ?? "failed");

        }

    }

​