'Tests to make sure that we don\'t compare 0 to None and fail with
a TypeError in python 3 when calculating merged_values between
project_values and user_values.'

def test_limit_check_project_and_user_zero_values(self):

    self._stub_get_project_quotas()
    ctxt = FakeContext('test_project', 'test_class')
    resources = self._get_fake_countable_resources()
    kwargs = [{'project_values': {'fixed_ips': 0}}, {'user_values': {'key_pairs': 0}}, {'project_values': {'instances': 0}, 'user_values': {'instances': 0}}]
    for kwarg in kwargs:
        self.driver.limit_check_project_and_user(ctxt, resources, **kwarg)
