def test_value_errors(self):
        with self.assertRaises(AssertionError):
            Cudnn2D(filters=self.filters, batch_size=-1,
                    input_space=self.input_space)
Dictionary style len(x) support.
dataset/ETHPy150Open lisa-lab/pylearn2/pylearn2/linear/tests/test_cudnn.py/TestCudnn.test_value_errors--crossover with--dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/cgi.py/FieldStorage.__len__