https://stackoverflow.com/questions/58595422/c-sharp-xmlreader-reads-xml-wrong-and-different-based-on-how-i-invoke-the-reader | C# Online Compiler

https://stackoverflow.com/questions/58595422/c-sharp-xmlreader-reads-xml-wrong-and-different-based-on-how-i-invoke-the-reader by dbc_MinLength

using System;
using System.Collections.Generic;
using System.Text;
using System.Linq;
using System.Xml.Serialization;
using System.Xml;
using System.Xml.Linq;
using System.IO;
using System.Data;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
using System.IO.Compression;
using System.Reflection;

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

//https://stackoverflow.com/questions/58595422/c-sharp-xmlreader-reads-xml-wrong-and-different-based-on-how-i-invoke-the-reader

    class TestClass
    {
        public static void Test()
        {
			Console.WriteLine("Testing method 1:");
			
			Test(reader =>
				 {
				     Console.WriteLine(new string(' ', reader.Depth * 2) + "<" + reader.NodeType.ToString() + "|" + reader.Name + ">" + reader.ReadString() + "</>");
				 });
			
			Console.WriteLine("\nTesting method 2:");
			
			Test(reader =>
				 {
				     string xmlcontent = reader.ReadString();
					 string xmlname = reader.Name.ToString();
					 string xmltype = reader.NodeType.ToString();
					 int xmldepth = reader.Depth;
					 Console.WriteLine(new string(' ', xmldepth * 2) + "<" + xmltype + "|" + xmlname + ">" + xmlcontent + "</>");
				 });
	
			Console.WriteLine("\nTesting fixed method:");
			
			Test(reader =>
				 {
				     string xmlcontent = reader.Value;
					 string xmlname = reader.Name.ToString();
					 string xmltype = reader.NodeType.ToString();
					 int xmldepth = reader.Depth;
					 Console.WriteLine(new string(' ', xmldepth * 2) + "<" + xmltype + "|" + xmlname + ">" + xmlcontent + "</>");
				 });
		}	
		
		static void Test(Action<XmlReader> action)
		{
			XmlReaderSettings settings = new XmlReaderSettings();
			settings.IgnoreComments = true;
			settings.IgnoreWhitespace = true;
			settings.IgnoreProcessingInstructions = true;
			using (XmlReader reader = XmlReader.Create(new StringReader(GetXml()), settings))
			{
				while (reader.Read())
				{
					// All reader methods I call here will reference the current node
					// until I move the pointer to some further node by calling methods like
					// reader.Read(), reader.MoveToContent(), reader.MoveToElement() etc
					action(reader);
				}
			}
		}
		
		static string GetXml()
		{
			var json = @"<?xml version=""1.0""?>
<rss xmlns:g=""http://base.google.com/ns/1.0"" version=""2.0"">
	<xml>
		<head>
			<title>Test Xml File</title>
			<description>This will test my xml reader</description>
		</head>
		<body>
			<item>
				<g:id>1QBX23</g:id>
				<g:title>Example Title</g:title>
				<g:description>Example Description</g:description>
			</item>
			<item>
				<g:id>2QXB32</g:id>
				<g:title>Example Title</g:title>
				<g:description>Example Description</g:description>
			</item>
			<!-- Added for testing -->
			<emptyItem />
		</body>
	</xml>
</rss>
";
			return json;
		}
	}
						
	public class Program
	{
		public static void Main()
		{
			Console.WriteLine("Environment version: {0} ({1})", System.Runtime.InteropServices.RuntimeInformation.FrameworkDescription , GetNetCoreVersion());
			Console.WriteLine();

			try
			{
				TestClass.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;
		}
	}

​x
 
using System;
using System.Collections.Generic;
using System.Text;
using System.Linq;
using System.Xml.Serialization;
using System.Xml;
using System.Xml.Linq;
using System.IO;
using System.Data;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
using System.IO.Compression;
using System.Reflection;
​
using NUnit.Framework; //NUnit.Framework.AssertionException
​
//https://stackoverflow.com/questions/58595422/c-sharp-xmlreader-reads-xml-wrong-and-different-based-on-how-i-invoke-the-reader
​
    class TestClass
    {
        public static void Test()
        {
            Console.WriteLine("Testing method 1:");
            
            Test(reader =>
                 {
                     Console.WriteLine(new string(' ', reader.Depth * 2) + "<" + reader.NodeType.ToString() + "|" + reader.Name + ">" + reader.ReadString() + "</>");
                 });
            
            Console.WriteLine("\nTesting method 2:");
            
            Test(reader =>
                 {
                     string xmlcontent = reader.ReadString();
                     string xmlname = reader.Name.ToString();
                     string xmltype = reader.NodeType.ToString();
                     int xmldepth = reader.Depth;
                     Console.WriteLine(new string(' ', xmldepth * 2) + "<" + xmltype + "|" + xmlname + ">" + xmlcontent + "</>");
                 });
    
            Console.WriteLine("\nTesting fixed method:");
            
            Test(reader =>
                 {
                     string xmlcontent = reader.Value;
                     string xmlname = reader.Name.ToString();
                     string xmltype = reader.NodeType.ToString();
                     int xmldepth = reader.Depth;
                     Console.WriteLine(new string(' ', xmldepth * 2) + "<" + xmltype + "|" + xmlname + ">" + xmlcontent + "</>");
                 });
        }   
        
        static void Test(Action<XmlReader> action)
        {
            XmlReaderSettings settings = new XmlReaderSettings();
            settings.IgnoreComments = true;
            settings.IgnoreWhitespace = true;
            settings.IgnoreProcessingInstructions = true;
            using (XmlReader reader = XmlReader.Create(new StringReader(GetXml()), settings))
            {
                while (reader.Read())
                {
                    // All reader methods I call here will reference the current node
                    // until I move the pointer to some further node by calling methods like
                    // reader.Read(), reader.MoveToContent(), reader.MoveToElement() etc
                    action(reader);
                }
            }
        }
        
        static string GetXml()
        {
            var json = @"<?xml version=""1.0""?>
<rss xmlns:g=""http://base.google.com/ns/1.0"" version=""2.0"">
    <xml>
        <head>
            <title>Test Xml File</title>
            <description>This will test my xml reader</description>
        </head>
        <body>
            <item>
                <g:id>1QBX23</g:id>
                <g:title>Example Title</g:title>
                <g:description>Example Description</g:description>
            </item>
            <item>
                <g:id>2QXB32</g:id>
                <g:title>Example Title</g:title>
                <g:description>Example Description</g:description>
            </item>
            <!-- Added for testing -->
            <emptyItem />
        </body>
    </xml>
</rss>
";
            return json;
        }
    }
                        
    public class Program
    {
        public static void Main()
        {
            Console.WriteLine("Environment version: {0} ({1})", System.Runtime.InteropServices.RuntimeInformation.FrameworkDescription , GetNetCoreVersion());
            Console.WriteLine();
​
            try
            {
                TestClass.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;
        }
    }
​

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