#!/usr/bin/python
#

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"""Script for testing utils.Mlockall

This test is run in a separate process because it changes memory behaviour.

"""

import unittest

from ganeti import utils
from ganeti import errors

import testutils


# WARNING: The following tests modify the memory behaviour at runtime. Don't
# add unrelated tests here.


class TestMlockallWithCtypes(unittest.TestCase):
  """Whether Mlockall() works if ctypes is present.

  """

  def test(self):
    if utils.ctypes:
      utils.Mlockall()


class TestMlockallWithNoCtypes(unittest.TestCase):
  """Whether Mlockall() raises an error if ctypes is not present.

  """

  def test(self):
    self.assertRaises(errors.NoCtypesError, utils.Mlockall, _ctypes=None)


if __name__ == "__main__":
  testutils.GanetiTestProgram()