/* -*- 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

	/* 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;

    MPI::Finalize();

    return 0;  

}