/*
   igraph library.
   Copyright (C) 2007-2012  Gabor Csardi <csardi.gabor@gmail.com>
   334 Harvard st, Cambridge MA, 02139 USA

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc.,  51 Franklin Street, Fifth Floor, Boston, MA
   02110-1301 USA

*/

#include <igraph.h>

int main(void) {

    igraph_t graph;
    igraph_bool_t res;

    /* Initialize the library. */
    igraph_setup();

    igraph_small(&graph, 0, IGRAPH_DIRECTED, 0, 1, 1, 2, 2, 1, 0, 1, 1, 0, 3, 4, 11, 10, -1);
    igraph_has_multiple(&graph, &res);
    if (!res) {
        return 1;
    }
    igraph_destroy(&graph);

    igraph_small(&graph, 0, IGRAPH_UNDIRECTED,
                 0, 0, 1, 2, 1, 1, 2, 2, 2, 1, 2, 3, 2, 4,
                 2, 5, 2, 6, 2, 2, 3, 2, 0, 0, 6, 2, 2, 2, 0, 0, -1);
    igraph_has_multiple(&graph, &res);
    if (!res) {
        return 2;
    }
    igraph_destroy(&graph);

    igraph_small(&graph, 0, IGRAPH_DIRECTED, 0, 1, 1, 2, 2, 1, 1, 0, 3, 4, 11, 10, -1);
    igraph_has_multiple(&graph, &res);
    if (res) {
        return 3;
    }
    igraph_destroy(&graph);

    igraph_small(&graph, 0, IGRAPH_UNDIRECTED,
                 0, 0, 1, 2, 1, 1, 2, 2, 2, 3, 2, 4, 2, 5, 2, 6, 2, 2, -1);
    igraph_has_multiple(&graph, &res);
    if (!res) {
        return 4;
    }
    igraph_destroy(&graph);

    igraph_small(&graph, 0, IGRAPH_UNDIRECTED,
                 0, 0, 1, 2, 1, 1, 2, 2, 2, 3, 2, 4, 2, 5, 2, 6, -1);
    igraph_has_multiple(&graph, &res);
    if (res) {
        return 5;
    }
    igraph_destroy(&graph);

    igraph_small(&graph, 0, IGRAPH_UNDIRECTED, 0, 1, 0, 1, 1, 2, -1);
    igraph_has_multiple(&graph, &res);
    if (!res) {
        return 6;
    }
    igraph_destroy(&graph);

    igraph_small(&graph, 0, IGRAPH_UNDIRECTED, 0, 0, 0, 0, -1);
    igraph_has_multiple(&graph, &res);
    if (!res) {
        return 7;
    }
    igraph_destroy(&graph);

    return 0;
}
