import unittest

from vasppy import xdatcar
from vasppy.poscar import Poscar


class TestXdatcar(unittest.TestCase):
    def test_xdatcar_is_initialised(self):
        xd = xdatcar.Xdatcar()
        self.assertEqual(type(xd.poscar[0]), Poscar)


if __name__ == "__main__":
    unittest.main()
