/* -*- 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"

/*
 * Test whether invalid handles to group routines are detected
 */

int verbose = 0;

int main(int argc, char *argv[])
{
    int errs = 0;
    int rc;
    int ranks[2];
    MPI_Group ng;
    char str[MPI_MAX_ERROR_STRING + 1];
    int slen;

    MTest_Init(&argc, &argv);
    /* Set errors return */
    MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_RETURN);

    /* Create some valid input data except for the group handle */
    ranks[0] = 0;
    rc = MPI_Group_incl(MPI_COMM_WORLD, 1, ranks, &ng);
    if (rc == MPI_SUCCESS) {
        errs++;
        printf("Did not detect invalid handle (comm) in group_incl\n");
    } else {
        if (verbose) {
            MPI_Error_string(rc, str, &slen);
            printf("Found expected error; message is: %s\n", str);
        }
    }

    MTest_Finalize(errs);
    return MTestReturnValue(errs);
}
