using System;

using System.Diagnostics;

using System.IO;

using System.Xml;

using System.Xml.Serialization;

​

public class Program

{

    public static void Main()

    {

        // Arrange

        // XML taken from https://github.com/dotnet/runtime/blob/main/src/libraries/System.Private.Xml/tests/XmlSchema/TestFiles/StandardTests/xsd10/simpleType/bug102159_1.xml

        var bug102159_1 = """

                          <?xml version="1.0"?>

                          <root xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="bug102159_1.xsd">

                            <nms>a b c d</nms>

                            <mylist>a b c d</mylist>

                          </root>

                          """;

        var serializer = new XmlSerializer(typeof(Root));

​

        // Act

        var instance = (Root)serializer.Deserialize(new StringReader(bug102159_1))!;

        // Assert

        if (instance.Nms.Items.Length != 4) throw new InvalidOperationException($"Property Nms contains {instance.Nms.Items.Length} elements.");

        if (instance.MyList.Items.Length != 4) throw new InvalidOperationException($"Property MyList contains {instance.MyList.Items.Length} elements.");

    }

}

​

[XmlRootAttribute("root")]

public class Root

{

    [XmlElement("nms")]

    public Nms Nms { get; set; }

    [XmlElement("mylist")]

    public MyList MyList { get; set; }

}

​

public class Nms

{

    [XmlText]

    public string[] Items { get; set; }

}

​

public class MyList

{

    [XmlText]

    public string[] Items { get; set; }

}