23     def _test_arg_valid(self, ctor, arg):  argument
24         self.assertRaises(TypeError, ctor)
25         self.assertRaises(TypeError, ctor, None)
26         self.assertRaises(TypeError, ctor, arg, bad_attr = 0)
27         self.assertRaises(TypeError, ctor, arg, delimiter = 0)
28         self.assertRaises(TypeError, ctor, arg, delimiter = 'XX')
29         self.assertRaises(csv.Error, ctor, arg, 'foo')
30         self.assertRaises(TypeError, ctor, arg, delimiter=None)
31         self.assertRaises(TypeError, ctor, arg, delimiter=1)
32         self.assertRaises(TypeError, ctor, arg, quotechar=1)
33         self.assertRaises(TypeError, ctor, arg, lineterminator=None)
34         self.assertRaises(TypeError, ctor, arg, lineterminator=1)
35         self.assertRaises(TypeError, ctor, arg, quoting=None)
36         self.assertRaises(TypeError, ctor, arg,
38         self.assertRaises(TypeError, ctor, arg,
47     def _test_default_attrs(self, ctor, *args):  argument
48         obj = ctor(*args)
71     def _test_kw_attrs(self, ctor, *args):  argument
77         obj = ctor(*args, **kwargs)
93     def _test_dialect_attrs(self, ctor, *args):  argument
105         obj = ctor(*args)