public void GetStandardValues()
        {
            NullableConverter converter = new NullableConverter(typeof(MyType?));

            Assert.IsTrue(converter.GetStandardValuesSupported(null), "#1");
            TypeConverter.StandardValuesCollection values = converter.GetStandardValues(null);
            // MyTypeConverter returns an empty values collection, but
            // NullableConverter adds a null value to the set.
            Assert.AreEqual(1, values.Count, "#2");
            Assert.AreEqual(null, values[0], "#3");
        }