def test_WEEKDAY_error(self):
sample_date = date.DATE(2008, 2, 14)
serial_number = int(sample_date)
self.assertIsInstance(date.WEEKDAY(serial_number, 0),
xlerrors.NumExcelError)
self.assertIsInstance(date.WEEKDAY(serial_number, 4),
xlerrors.NumExcelError)
self.assertIsInstance(date.WEEKDAY(serial_number, 5),
xlerrors.NumExcelError)
self.assertIsInstance(date.WEEKDAY(serial_number, 6),
xlerrors.NumExcelError)
self.assertIsInstance(date.WEEKDAY(serial_number, 7),
xlerrors.NumExcelError)
self.assertIsInstance(date.WEEKDAY(serial_number, 8),
xlerrors.NumExcelError)
self.assertIsInstance(date.WEEKDAY(serial_number, 9),
xlerrors.NumExcelError)
self.assertIsInstance(date.WEEKDAY(serial_number, 10),
xlerrors.NumExcelError)
self.assertIsInstance(date.WEEKDAY(serial_number, 18),
xlerrors.NumExcelError)
def test_WEEKDAY_return_type_17(self):
sample_date = date.DATE(2008, 2, 14)
serial_number = int(sample_date)
self.assertEqual(date.WEEKDAY(serial_number, 17), 5)