def test_long_year(self):
e = EDTFDate('y1700000002')
self.assertEqual(e.precision, 'year')
self.assertEqual(e.is_negative, False)
e.is_negative = True
self.assertEqual(e.year, 'y-1700000002')
e = EDTFDate('y-1700000002')
self.assertEqual(e.precision, 'year')
self.assertEqual(e.is_negative, True)
e.is_negative = False
self.assertEqual(e.year, 'y1700000002')
def test_negative_year(self):
e = EDTFDate('-0999')
self.assertEqual(unicode(e), '-0999')
# -0 is a different year to 0
e = EDTFDate('0000')
self.assertEqual(unicode(e), '0000')
e.is_negative = True
self.assertEqual(unicode(e), '-0000') # TODO: no such year; shouldn't be allowed.
