'Testing Point mutations'

def test01_PointMutations(self):

    for p in (Point(1, 2, 3), fromstr('POINT    (1    2    3)')):
        self.assertEqual(p._get_single_external(1), 2.0, 'Point    _get_single_external')
        p._set_single(0, 100)
        self.assertEqual(p.coords, (100.0, 2.0, 3.0), 'Point    _set_single')
        p._set_list(2, (50, 3141))
        self.assertEqual(p.coords, (50.0, 3141.0), 'Point    _set_list')
