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;    

​

// https://stackoverflow.com/questions/46918307/jarray-load-not-loading-array-wrong-format

​

    class TestClass

    {

        public static void Test()

        {

            Test(@"[[""tBTCUSD"",5694.5,90.04753567,5694.6,90.83915407,-155.4,-0.0266,5694.6,68727.10536905,6007.8,5537]]");

            Test("[\"error\",20060,\"maintenance\"]");

        }

        static void Test(string json)

        {

            Console.WriteLine("Testing JSON: {0}", json);

            var reader = new JsonTextReader(new StringReader(json));

            var array = JArray.Load(reader); 

​

            if (array.Count > 0 && array[0].Type == JTokenType.String && (string)array[0] == "error")

            {

                // Process an error response

                Console.WriteLine("Error response detected.");

            }

            else if (array.Count > 0 && array[0].Type == JTokenType.Array)

            {

                // Process a successful response.

                Console.WriteLine("Normal response detected, array value: ");

                var arrayValue = (JArray)array[0];              

                Console.WriteLine(arrayValue);          

            }

            else

            {

                // Completely unexpected response.

                throw new JsonException("Unexpected response");

            }

​

            if (array.Count > 0 && array[0].ToString(Formatting.None) == "\"error\"")

            {

                // Process an error response

                Console.WriteLine("Error response detected using ToString(Formatting.None).");

            }

            else // COntinue as before

            {

            }

            Console.WriteLine();

        }

    }

​

    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");

        }

    }

​