def test_equals_2(self): self.assertEqual(array('1,2,3,4'), '2 3')
def test_equals(self): self.assertEqual(array('1,2,3'), '2')
def test_none_2(self): self.assertIsNone(array('1'))
def test_none_3(self): self.assertIsNone(array('1, 3'))
def test_none(self): self.assertIsNone(array(''))