using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Xml.Serialization;

using System.Xml;

using System.IO;

using System.ComponentModel;

using System.Xml.Linq;

using System.Reflection;

using System.Xml.Schema;

using System.Xml.XPath;

using System.Collections.ObjectModel;

​

using NUnit.Framework;

​

//https://stackoverflow.com/questions/59590962/how-to-identify-which-class-member-is-causing-issue-with-xmlserializer

​

    [System.Runtime.InteropServices.ComVisible(true)]

    public enum AxisExceptionActionEnum

    {

        Default = 0,

        Value1 = (1<<0),

        Value2 = (1<<1)

    }

​

    [System.Runtime.InteropServices.ComVisible(true)]

    [System.Runtime.InteropServices.ClassInterface(System.Runtime.InteropServices.ClassInterfaceType.AutoDual)]

    public class RSLogix5000Content

    {

        [XmlAttribute]

        public AxisExceptionActionEnumCollection CIPAxisExceptionAction { get; set; }

    }

​

    [System.Runtime.InteropServices.ComVisible(true)]

    [System.Runtime.InteropServices.ClassInterface(System.Runtime.InteropServices.ClassInterfaceType.AutoDual)]

    public class AxisExceptionActionEnumCollection : IList<AxisExceptionActionEnum>

    {

        private System.Collections.Generic.List<AxisExceptionActionEnum> axisExceptionActionEnumField = new System.Collections.Generic.List<AxisExceptionActionEnum>();

        [System.Xml.Serialization.XmlIgnoreAttribute()]

        public AxisExceptionActionEnum this[int index] {

            get {

                return ((System.Collections.Generic.IList<AxisExceptionActionEnum>)(this.axisExceptionActionEnumField))[index];

            }

            set {

                ((System.Collections.Generic.IList<AxisExceptionActionEnum>)(this.axisExceptionActionEnumField))[index] = value;

            }

        }

        [System.Xml.Serialization.XmlIgnoreAttribute()]

        public int Count {

            get {

                return ((System.Collections.Generic.IList<AxisExceptionActionEnum>)(this.axisExceptionActionEnumField)).Count;

            }

        }

        [System.Xml.Serialization.XmlIgnoreAttribute()]

        public bool IsReadOnly {

            get {

                return ((System.Collections.Generic.IList<AxisExceptionActionEnum>)(this.axisExceptionActionEnumField)).IsReadOnly;

            }

        }

        public void Add(AxisExceptionActionEnum item) {

            ((System.Collections.Generic.IList<AxisExceptionActionEnum>)(this.axisExceptionActionEnumField)).Add(item);

        }

        public void Clear() {

            ((System.Collections.Generic.IList<AxisExceptionActionEnum>)(this.axisExceptionActionEnumField)).Clear();

        }

        public bool Contains(AxisExceptionActionEnum item) {

            return ((System.Collections.Generic.IList<AxisExceptionActionEnum>)(this.axisExceptionActionEnumField)).Contains(item);

        }

        public void CopyTo(AxisExceptionActionEnum[] array, int arrayIndex) {

            ((System.Collections.Generic.IList<AxisExceptionActionEnum>)(this.axisExceptionActionEnumField)).CopyTo(array, arrayIndex);

        }

        public int IndexOf(AxisExceptionActionEnum item) {

            return ((System.Collections.Generic.IList<AxisExceptionActionEnum>)(this.axisExceptionActionEnumField)).IndexOf(item);

        }

        public void Insert(int index, AxisExceptionActionEnum item) {

            ((System.Collections.Generic.IList<AxisExceptionActionEnum>)(this.axisExceptionActionEnumField)).Insert(index, item);

        }

        public bool Remove(AxisExceptionActionEnum item) {

            return ((System.Collections.Generic.IList<AxisExceptionActionEnum>)(this.axisExceptionActionEnumField)).Remove(item);

        }

        public void RemoveAt(int index) {

            ((System.Collections.Generic.IList<AxisExceptionActionEnum>)(this.axisExceptionActionEnumField)).RemoveAt(index);

        }

        public System.Collections.Generic.IEnumerator<AxisExceptionActionEnum> GetEnumerator() {

            return ((System.Collections.Generic.IList<AxisExceptionActionEnum>)(this.axisExceptionActionEnumField)).GetEnumerator();

        }

        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() {

            return ((System.Collections.Generic.IList<AxisExceptionActionEnum>)(this.axisExceptionActionEnumField)).GetEnumerator();

        }

    }

​

    [System.Runtime.InteropServices.ComVisible(true)]

    [System.Runtime.InteropServices.ClassInterface(System.Runtime.InteropServices.ClassInterfaceType.AutoDual)]

    public class TestClass

    {

        public static void Test()

        {

            var root = new RSLogix5000Content

            {

                CIPAxisExceptionAction = new AxisExceptionActionEnumCollection() { AxisExceptionActionEnum.Value1, AxisExceptionActionEnum.Value2, AxisExceptionActionEnum.Value1 },

            };

​

            var xml = root.GetXml();

            Console.WriteLine(xml);

            var root2 = xml.LoadFromXml<RSLogix5000Content>();

            var xml2 =  root2.GetXml();

            Console.WriteLine(xml2);

            Assert.IsTrue(root.CIPAxisExceptionAction.SequenceEqual(root2.CIPAxisExceptionAction));

        }

    }

    public static class XmlSerializationHelper

    {

        public static T LoadFromXml<T>(this string xmlString, XmlSerializer serial = null)

        {

            serial = serial ?? new XmlSerializer(typeof(T));

            using (var reader = new StringReader(xmlString))

            {

                return (T)serial.Deserialize(reader);

            }

        }

​

        public static string GetXml<T>(this T obj, XmlSerializer serializer = null, bool omitStandardNamespaces = false)

        {

            XmlSerializerNamespaces ns = null;

            if (omitStandardNamespaces)

            {

                ns = new XmlSerializerNamespaces();

                ns.Add("", ""); // Disable the xmlns:xsi and xmlns:xsd lines.

            }           

            using (var textWriter = new StringWriter())

            {

                var settings = new XmlWriterSettings() { Indent = true }; // For cosmetic purposes.

                using (var xmlWriter = XmlWriter.Create(textWriter, settings))

                    (serializer ?? new XmlSerializer(obj.GetType())).Serialize(xmlWriter, obj, ns);

                return textWriter.ToString();

            }

        }

        public static string GetOuterXml(this XmlNode node, bool indent = true)

        {

            if (node == null)

                return null;

            using (var textWriter = new StringWriter())

            {

                var settings = new XmlWriterSettings

                {

                    Indent = indent,

                    OmitXmlDeclaration = true,

                };

                using (var xmlWriter = XmlWriter.Create(textWriter, settings))

                {

                    node.WriteTo(xmlWriter);

                }

                return textWriter.ToString();

            }

        }

    }

    public static class XmlAssert

    {

        // https://weblogs.asp.net/marianor/easy-way-to-compare-two-xmls-for-equality

        // https://stackoverflow.com/questions/7318157/best-way-to-compare-xelement-objects

        // Adapted from the answer https://stackoverflow.com/a/14463137 by https://stackoverflow.com/users/1102100/robjohnson

        public static void AreEqual(

            XElement expected,

            XElement actual)

        {

            Assert.IsTrue(XNode.DeepEquals(Normalize(expected), Normalize(actual)));

        }

​

        private static XElement Normalize(XElement element)

        {

            if (element.HasElements)

            {

                return new XElement(

                    element.Name,

                    element.Attributes()

                           .OrderBy(a => a.Name.ToString()),

                    element.Elements()

                           .OrderBy(a => a.Name.ToString())

                           .Select(e => Normalize(e)));

​

            }

​

            if (element.IsEmpty)

            {

                return new XElement(

                    element.Name,

                    "",

                    element.Attributes()

                           .OrderBy(a => a.Name.ToString()));

            }

​

            return new XElement(element.Name, element.Attributes()

                .OrderBy(a => a.Name.ToString()), element.Value);

        }

    }

    public class Program

    {

        public static void Main()

        {

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

            Console.WriteLine();

​

            try

            {

                TestClass.Test();

            }

            catch (Exception ex)

            {

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

                Console.WriteLine(ex);

                throw;

            }

        }

    }

​