/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */

/*

 *  (C) 2001 by Argonne National Laboratory.

 *      See COPYRIGHT in top-level directory.

 */

#include "mpi.h"

#include <stdio.h>

#include "mpitest.h"

/* Check that freed communicators are detected */

int main(int argc, char *argv[])

{

    MPI_Comm dup, dupcopy;

    int errs = 0;

    int ierr;

    MTest_Init(&argc, &argv);

    MPI_Comm_dup(MPI_COMM_WORLD, &dup;;

    MPI_Errhandler_set(MPI_COMM_WORLD, MPI_ERRORS_RETURN);

    dupcopy = dup;

    MPI_Comm_free(&dupcopy);

    ierr = MPI_Barrier(dup);

    if (ierr == MPI_SUCCESS) {

        errs++;

        printf("Returned wrong code (SUCCESS) in barrier\n");

    }

    {

        int in, *input = ∈

        int out, *output = &out;

        ierr = MPI_Allgather(input, 1, MPI_INT, output, 1, MPI_INT, dup);

    }

    if (ierr == MPI_SUCCESS) {

        errs++;

        printf("Returned wrong code (SUCCESS) in allgather\n");

    }

    MTest_Finalize(errs);

    MPI_Finalize();

    return 0;

}