/* -*- 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 <stdlib.h>

#include "mpitest.h"

#include "mpitestconf.h"

#ifdef HAVE_STRING_H

#include <string.h>

#endif

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

{

    int errs = 0;

    MPI_Comm comm;

    int cnt, rlen;

    char name[MPI_MAX_OBJECT_NAME], nameout[MPI_MAX_OBJECT_NAME];

    MTest_Init(&argc, &argv);

    /* Check world and self firt */

    nameout[0] = 0;

    MPI_Comm_get_name(MPI_COMM_WORLD, nameout, &rlen);

    if (strcmp(nameout, "MPI_COMM_WORLD")) {

        errs++;

        printf("Name of comm world is %s, should be MPI_COMM_WORLD\n", nameout);

    }

    nameout[0] = 0;

    MPI_Comm_get_name(MPI_COMM_SELF, nameout, &rlen);

    if (strcmp(nameout, "MPI_COMM_SELF")) {

        errs++;

        printf("Name of comm self is %s, should be MPI_COMM_SELF\n", nameout);

    }

    /* Now, handle other communicators, including world/self */

    cnt = 0;

    while (MTestGetComm(&comm, 1)) {

        if (comm == MPI_COMM_NULL)

            continue;

        sprintf(name, "comm-%d", cnt);

        cnt++;

        MPI_Comm_set_name(comm, name);

        nameout[0] = 0;

        MPI_Comm_get_name(comm, nameout, &rlen);

        if (strcmp(name, nameout)) {

            errs++;

            printf("Unexpected name, was %s but should be %s\n", nameout, name);

        }

        MTestFreeComm(&comm);

    }

    MTest_Finalize(errs);

    return MTestReturnValue(errs);

}