def METHOD_NAME(self):
    array = get_example_array()
    for m in get_test_values():
        norm_instance = constraints.min_max_norm(
            min_value=m, max_value=m * 2
        )
        normed = norm_instance(backend.variable(array))
        value = backend.eval(normed)
        l2 = np.sqrt(np.sum(np.square(value), axis=0))
        assert not l2[l2 < m]
        assert not l2[l2 > m * 2 + 1e-5]