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/55244765/json-net-immediate-parent-path-not-being-returned

​

    class TestClass

    {

        public static void Test()

        {

            Test("{'grandparent': { 'parent' : {'object' : 'value'}}}", "..object");

            Test("{'grandparent': [{'object' : 'value'}]}", "..object");

        }   

​

        static void Test(string input, string query)

        {

            Console.WriteLine("\nTesting JSON \"{0}\" using query \"{1}\"", input, query);

​

            var jsonInput = JObject.Parse(input);

            var jsonObject = jsonInput.SelectToken(query);

​

            var path = jsonObject.Path; //grandparent.parent.object

            var parentPath = jsonObject.SelectableParent().Path; //grandparent.parent

            Console.WriteLine(path);

            Console.WriteLine(parentPath);

            Assert.IsTrue(path != parentPath);

        }

    }

​

    public static partial class JsonExtensions

    {

        public static JToken SelectableParent(this JToken token)

        {

            if (token == null)

                return null;

            var parent = token.Parent;

            if (parent is JProperty)

                parent = parent.Parent;

            return parent;

        }

    }

​

    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;

            }

        }

    }

​