public void TestHolidayCalendarSerialization()
{
HolidayCalendar holidayCalendar = new HolidayCalendar();
holidayCalendar.AddExcludedDate(new DateTime(2010, 1, 20));
HolidayCalendar clone = holidayCalendar.DeepClone();
Assert.AreEqual(1, clone.ExcludedDates.Count);
}