NUnitParameterDataAttribute.cs

using System;
using System.Reflection;
using System.Collections;
using System.Collections.Generic;
using NUnit.Framework;

namespace NUnitTest
{
    [AttributeUsage (AttributeTargets.Parameter, Inherited = false, AllowMultiple = false)]
    public sealed class EnumParameterValueAttribute : ParameterDataAttribute
    {
        private readonly ICollection _enumValues;

        public EnumParameterValueAttribute(Type enumType)
        {
            _enumValues = Enum.GetValues(enumType);
        }

        public override IEnumerable GetData(ParameterInfo parameter)
        {
            return _enumValues;
        }
    }

    public enum TestEnum
    {
        First,
        Second,
        Third
    }

    [TestFixture()]
    public class Test
    {
        [Test()]
        public void TestCase([EnumParameterValue(typeof(TestEnum))]TestEnum test, [Values(true, false)]bool value)
        {
            Assert.AreEqual(TestEnum.First, test);
            Assert.IsTrue(value);
        }
    }
}