# Licensed under a 3-clause BSD style license - see LICENSE.rst

import pytest
import numpy as np

from astropy import convolution as conv
from astropy.tests.helper import pickle_protocol, check_pickling_recovery  # noqa


@pytest.mark.parametrize(("name", "args", "kwargs", "xfail"),
                         [(conv.CustomKernel, [],
                           {'array': np.random.rand(15)},
                           False),
                          (conv.Gaussian1DKernel, [1.0],
                           {'x_size': 5},
                           True),
                          (conv.Gaussian2DKernel, [1.0],
                           {'x_size': 5, 'y_size': 5},
                           True),
                         ])
def test_simple_object(pickle_protocol, name, args, kwargs, xfail):
    # Tests easily instantiated objects
    if xfail:
        pytest.xfail()
    original = name(*args, **kwargs)
    check_pickling_recovery(original, pickle_protocol)