/* -*- Mode: C++; c-basic-offset:4 ; -*- */

/*

 *

 *  (C) 2003 by Argonne National Laboratory.

 *      See COPYRIGHT in top-level directory.

 */

#include "mpi.h"

#include "mpitestconf.h"

#ifdef HAVE_IOSTREAM

// Not all C++ compilers have iostream instead of iostream.h

#include <iostream>

#ifdef HAVE_NAMESPACE_STD

// Those that do often need the std namespace; otherwise, a bare "cout"

// is likely to fail to compile

using namespace std;

#endif

#else

#include <iostream.h>

#endif

#include "mpitestcxx.h"

#ifdef HAVE_STRING_H

#include <string.h>

#endif

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

{

    int errs = 0;

    MPI::Info info1, infodup;

    int nkeys, nkeysdup, i, vallen, flag, flagdup;

    char *key, *keydup;

    char *value, *valdup;

    MTest_Init();

    key = new char[MPI::MAX_INFO_KEY];

    keydup = new char[MPI::MAX_INFO_KEY];

    value = new char[MPI::MAX_INFO_VAL];

    valdup = new char[MPI::MAX_INFO_VAL];

    info1 = MPI::Info::Create();

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

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

    info1.Set("host", "myhost.myorg.org");

    info1.Set("file", "runfile.txt");

    info1.Set("soft", "2:1000:4,3:1000:7");

    infodup = info1.Dup();

    nkeysdup = infodup.Get_nkeys();

    nkeys = info1.Get_nkeys();

    if (nkeys != nkeysdup) {

        errs++;

        cout << "Dup'ed info has a different number of keys; is " <<

            nkeysdup << " should be " << nkeys << "\n";

    }

    vallen = MPI::MAX_INFO_VAL;

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

        /* MPI requires that the keys are in the same order after the dup */

        info1.Get_nthkey(i, key);

        infodup.Get_nthkey(i, keydup);

        if (strcmp(key, keydup)) {

            errs++;

            cout << "keys do not match: " << keydup << " should be " << key << "\n";

        }

        vallen = MPI::MAX_INFO_VAL;

        flag = info1.Get(key, vallen, value);

        flagdup = infodup.Get(keydup, vallen, valdup);

        if (!flag || !flagdup) {

            errs++;

            cout << "Info get failed for key " << key << "\n";

        } else if (strcmp(value, valdup)) {

            errs++;

            cout << "Info values for key " << key << " not the same after dup\n";

        }

    }

    /* Change info and check that infodup does NOT have the new value

     * (ensure that lazy dups are still duped) */

    info1.Set("path", "/a:/b:/c/d");

    flag = infodup.Get("path", vallen, value);

    if (flag) {

        errs++;

        cout << "inserting path into info changed infodup\n";

    }

    info1.Free();

    infodup.Free();

    MTest_Finalize(errs);

    delete[]key;

    delete[]keydup;

    delete[]value;

    delete[]valdup;

    return 0;

}