public void Can_Get_Short_Month_From_Gregorian() { DateTime dateTime; dateTime = new DateTime(2016, 12, 1, gregorianCalendar); Assert.That(jewishCalendar.MonthIs29Days(dateTime, JewishCalendar.JewishMonth.KISLEV), Is.EqualTo(true)); dateTime = new DateTime(2015, 12, 1, gregorianCalendar); Assert.That(jewishCalendar.MonthIs29Days(dateTime, JewishCalendar.JewishMonth.KISLEV), Is.EqualTo(false)); }