public void GetBusinessDays_2019_From01To12() { var res = publicHoliday.GetBusinessDays(2019, 12); Assert.AreEqual(res, 21); res = publicHoliday.GetBusinessDays(2019, 11); Assert.AreEqual(res, 19); res = publicHoliday.GetBusinessDays(2019, 10); Assert.AreEqual(res, 23); res = publicHoliday.GetBusinessDays(2019, 9); Assert.AreEqual(res, 21); res = publicHoliday.GetBusinessDays(2019, 8); Assert.AreEqual(res, 21); res = publicHoliday.GetBusinessDays(2019, 7); Assert.AreEqual(res, 23); res = publicHoliday.GetBusinessDays(2019, 6); Assert.AreEqual(res, 19); res = publicHoliday.GetBusinessDays(2019, 5); Assert.AreEqual(res, 20); res = publicHoliday.GetBusinessDays(2019, 4); Assert.AreEqual(res, 21); res = publicHoliday.GetBusinessDays(2019, 3); Assert.AreEqual(res, 21); res = publicHoliday.GetBusinessDays(2019, 2); Assert.AreEqual(res, 20); res = publicHoliday.GetBusinessDays(2019, 1); Assert.AreEqual(res, 22); }