public static void Add_TimeSpan_NewDateOutOfRange_ThrowsArgumentOutOfRangeException()
{
Assert.Throws<ArgumentOutOfRangeException>("value", () => DateTimeOffset.MinValue.Add(TimeSpan.FromTicks(-1)));
Assert.Throws<ArgumentOutOfRangeException>("value", () => DateTimeOffset.MaxValue.Add(TimeSpan.FromTicks(11)));
}