meziantou

public class ObjectDataReader<T> : DbDataReader
{
    private IEnumerator<T> _iterator;
    private IDictionary<string, int> _propertyNameToOrdinal = new Dictionary<string, int>();
    private IDictionary<int, string> _ordinalToPropertyName = new Dictionary<int, string>();
    private Func<T, object>[] _getPropertyValueFuncs;

    public ObjectDataReader(IEnumerator<T> items)
    {
        _iterator = items ?? throw new ArgumentNullException(nameof(items));

haacked

public static class TestHelpers
{
    public static void ShouldEqualWithDiff(this string actualValue, string expectedValue)
    {
        ShouldEqualWithDiff(actualValue, expectedValue, DiffStyle.Full, Console.Out);
    }

    public static void ShouldEqualWithDiff(this string actualValue, string expectedValue, DiffStyle diffStyle)
    {
        ShouldEqualWithDiff(actualValue, expectedValue, diffStyle, Console.Out);