public void Convert()
{
var c = new NullableConverter();
Assert.IsNull(c.ConvertBack("", typeof(int?), null, CultureInfo.CurrentCulture));
Assert.AreEqual(1, c.ConvertBack("1", typeof(int?), null, CultureInfo.CurrentCulture));
Assert.AreEqual("", c.Convert(null, typeof(string), null, CultureInfo.CurrentCulture));
Assert.AreEqual("1", c.Convert(1, typeof(string), null, CultureInfo.CurrentCulture));
}
