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

/*

 *

 *  (C) 2010 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 <stdio.h>

#include "mpitestcxx.h"

#ifdef HAVE_STRING_H

#include <string.h>

#endif

static char MTEST_Descrip[] = "Test win_call_errhandler";

static int calls = 0;

static int errs = 0;

static MPI::Win mywin;

void eh(MPI::Win & win, int *err, ...)

{

    if (*err != MPI_ERR_OTHER) {

        errs++;

        cout << "Unexpected error code\n";

    }

    if (win != mywin) {

        char cname[MPI_MAX_OBJECT_NAME];

        int len;

        errs++;

        cout << "Unexpected window\n";

        win.Get_name(cname, len);

        cout << "Win is " << cname << "\n";

        mywin.Get_name(cname, len);

        cout << "Mywin is " << cname << "\n";

    }

    calls++;

    return;

}

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

{

    MPI::Win win;

    MPI::Errhandler newerr;

    int i;

    int reset_handler;

    int buf[10];

    MTest_Init();

    win = MPI::Win::Create(buf, sizeof(buf), 1, MPI::INFO_NULL, MPI::COMM_WORLD);

    mywin = win;

    mywin.Set_name("dup of win_world");

    newerr = MPI::Win::Create_errhandler(eh);

    win.Set_errhandler(newerr);

    win.Call_errhandler(MPI_ERR_OTHER);

    newerr.Free();

    if (calls != 1) {

        errs++;

        cout << "Error handler not called\n";

    }

    win.Free();

    MTest_Finalize(errs);

    return 0;

}