'The ancillary data list contains three-tuples with element types of:
1. C{int}
2. C{int}
3. read-only character buffer
If a tuple in the ancillary data list does not elements of these types,
L{TypeError} is raised.'

def test_sendmsgBadAncillaryItem(self):

    self.assertRaises(TypeError, send1msg, 1, 'hello    world', 2, [()])
    self.assertRaises(TypeError, send1msg, 1, 'hello    world', 2, [(1,)])
    self.assertRaises(TypeError, send1msg, 1, 'hello    world', 2, [(1, 2)])
    self.assertRaises(TypeError, send1msg, 1, 'hello    world', 2, [(1, 2, 'goodbye', object())])
    exc = self.assertRaises(TypeError, send1msg, 1, 'hello    world', 2, [object()])
    self.assertEqual('send1msg    argument    3    expected    list    of    tuple,    got    list    containing    object', str(exc))
    self.assertRaises(TypeError, send1msg, 1, 'hello    world', 2, [(object(), 1, 'goodbye')])
    self.assertRaises(TypeError, send1msg, 1, 'hello    world', 2, [(1, object(), 'goodbye')])
    self.assertRaises(TypeError, send1msg, 1, 'hello    world', 2, [(1, 1, object())])
