def testInterNull(self):
comm_null = MPI.Intercomm()
self.assertRaisesMPI(MPI.ERR_COMM, comm_null.Get_remote_group)
self.assertRaisesMPI(MPI.ERR_COMM, comm_null.Get_remote_size)
self.assertRaisesMPI(MPI.ERR_COMM, comm_null.Dup)
self.assertRaisesMPI(MPI.ERR_COMM, comm_null.Create, MPI.GROUP_EMPTY)
self.assertRaisesMPI(MPI.ERR_COMM, comm_null.Split, color=0, key=0)
self.assertRaisesMPI(MPI.ERR_COMM, comm_null.Merge, high=True)
def testContructorInter(self):
comm_null = MPI.Intercomm()
self.assertFalse(comm_null is MPI.COMM_NULL)
self.assertEqual(comm_null, MPI.COMM_NULL)
