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

/*

 *

 *  (C) 2003 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

#define NKEYS 3

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

{

    int errs = 0;

    MPI_Info info;

    char *keys[NKEYS] = { (char *) "file", (char *) "soft", (char *) "host" };

    char *values[NKEYS] = { (char *) "runfile.txt", (char *) "2:1000:4,3:1000:7",

        (char *) "myhost.myorg.org"

    };

    char value[MPI_MAX_INFO_VAL];

    int i, flag, nkeys;

    MTest_Init(&argc, &argv);

    MPI_Info_create(&info;;

    /* Use only named keys incase the info implementation only supports

     * the predefined keys (e.g., IBM) */

    for (i = 0; i < NKEYS; i++) {

        MPI_Info_set(info, keys[i], values[i]);

    }

    /* Check that all values are present */

    for (i = 0; i < NKEYS; i++) {

        MPI_Info_get(info, keys[i], MPI_MAX_INFO_VAL, value, &flag;;

        if (!flag) {

            errs++;

            printf("No value for key %s\n", keys[i]);

        }

        if (strcmp(value, values[i])) {

            errs++;

            printf("Incorrect value for key %s, got %s expected %s\n", keys[i], value, values[i]);

        }

    }

    /* Now, change one value and remove another, then check again */

    MPI_Info_delete(info, keys[NKEYS - 1]);

    MPI_Info_get_nkeys(info, &nkeys);

    if (nkeys != NKEYS - 1) {

        errs++;

        printf("Deleting a key did not change the number of keys\n");

    }

    values[0] = (char *) "backfile.txt";

    MPI_Info_set(info, keys[0], values[0]);

    for (i = 0; i < NKEYS - 1; i++) {

        MPI_Info_get(info, keys[i], MPI_MAX_INFO_VAL, value, &flag;;

        if (!flag) {

            errs++;

            printf("(after reset) No value for key %s\n", keys[i]);

        }

        if (strcmp(value, values[i])) {

            errs++;

            printf("(after reset) Incorrect value for key %s, got %s expected %s\n",

                   keys[i], value, values[i]);

        }

    }

    MPI_Info_free(&info;;

    if (info != MPI_INFO_NULL) {

        errs++;

        printf("MPI_Info_free should set info to MPI_INFO_NULL\n");

    }

    MTest_Finalize(errs);

    MPI_Finalize();

    return 0;

}