ThrowIfTypeConflictsWithMetadataIgnored.cs

// Use nuget to reference Microsoft.OData.Core 7.4.4

using System;
using System.IO;
using System.Text;
using Microsoft.OData;
using Microsoft.OData.Edm;

namespace ThrowIfTypeConflictsWithMetadataIgnored
{
    internal class Program
    {
        private static void Main()
        {
            using (var stream = new MemoryStream(Encoding.UTF8.GetBytes("{ \"@odata.context\": \"http://host/$metadata#People/$entity\", \"Id\": 1, \"Name\": null }")))
            {
                var inMemoryMessage = new InMemoryMessage
                {
                    Stream = stream
                };

                var model = new EdmModel();

                var type = new EdmEntityType("NS", "Person");
                type.AddKeys(type.AddStructuralProperty("Id", EdmPrimitiveTypeKind.Int32, false));
                type.AddStructuralProperty("Name", EdmPrimitiveTypeKind.String, false);
                model.AddElement(type);
                var container = new EdmEntityContainer("NS", "Container");
                var set = container.AddEntitySet("People", type);

                model.AddElement(container);

                using (var messageReader = new ODataMessageReader((IODataResponseMessage) inMemoryMessage,
                                                                  new ODataMessageReaderSettings
                                                                  {
                                                                      BaseUri = new Uri("http://host"),
                                                                      Validations = ValidationKinds.ThrowOnDuplicatePropertyNames
                                                                  },
                                                                  model))
                {

                    var reader = messageReader.CreateODataResourceReader(set, type);

                    // Throws exception
                    reader.Read();
                }
            }            
        }
    }
}