/*
 * Copyright (C) by Argonne National Laboratory
 *     See COPYRIGHT in top-level directory
 */

#include "mpi.h"
#include <stdio.h>
#include <string.h>
#include "mpitest.h"

/* calling MPI_Unpublish_name before calling MPI_Publish_name
   (a user error) would  cause the process manager to die. This is
   added as a regression test so that it doesn't happen in the future. */

int main(int argc, char *argv[])
{
    int rc, errclass, errs = 0;
    char port_name[MPI_MAX_PORT_NAME], serv_name[256];

    MTest_Init(&argc, &argv);

    strcpy(port_name, "otherhost:122");
    strcpy(serv_name, "MyTest");

    MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_RETURN);

    rc = MPI_Unpublish_name(serv_name, MPI_INFO_NULL, port_name);
    MPI_Error_class(rc, &errclass);
    if (errclass != MPI_ERR_SERVICE)
        ++errs;

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