Files
Abdelrahman Said a11edf0c53 Add graph references
2026-06-28 13:49:01 +01:00

106 lines
2.7 KiB
C

/*
igraph library.
Copyright (C) 2010-2012 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>
#include "test_utilities.h"
int main(void) {
igraph_t g;
igraph_bool_t simple;
FILE *ifile;
/* turn on attribute handling */
igraph_set_attribute_table(&igraph_cattribute_table);
ifile = fopen("pajek5.net", "r");
IGRAPH_ASSERT(ifile != NULL);
igraph_read_graph_pajek(&g, ifile);
fclose(ifile);
IGRAPH_ASSERT(igraph_vcount(&g) == 10);
IGRAPH_ASSERT(igraph_ecount(&g) == 9);
igraph_destroy(&g);
ifile = fopen("pajek6.net", "r");
IGRAPH_ASSERT(ifile != NULL);
igraph_read_graph_pajek(&g, ifile);
fclose(ifile);
IGRAPH_ASSERT(igraph_vcount(&g) == 10);
IGRAPH_ASSERT(igraph_ecount(&g) == 9);
igraph_destroy(&g);
/* This file starts with a UTF-8 BOM, which Pajek itself supports.
* It also contains some custom attributes. */
ifile = fopen("utf8_with_bom.net", "r");
IGRAPH_ASSERT(ifile != NULL);
igraph_read_graph_pajek(&g, ifile);
fclose(ifile);
IGRAPH_ASSERT(igraph_vcount(&g) == 10);
IGRAPH_ASSERT(igraph_ecount(&g) == 6);
igraph_destroy(&g);
/* File in Arcslist format */
ifile = fopen("pajek_arcslist.net", "r");
IGRAPH_ASSERT(ifile != NULL);
igraph_read_graph_pajek(&g, ifile);
fclose(ifile);
IGRAPH_ASSERT(igraph_vcount(&g) == 18);
IGRAPH_ASSERT(igraph_ecount(&g) == 55);
IGRAPH_ASSERT(igraph_is_directed(&g));
igraph_is_simple(&g, &simple, IGRAPH_DIRECTED);
IGRAPH_ASSERT(simple);
igraph_destroy(&g);
/* File in Edgeslist format */
ifile = fopen("pajek_edgeslist.net", "r");
IGRAPH_ASSERT(ifile != NULL);
igraph_read_graph_pajek(&g, ifile);
fclose(ifile);
IGRAPH_ASSERT(igraph_vcount(&g) == 3);
IGRAPH_ASSERT(igraph_ecount(&g) == 3);
IGRAPH_ASSERT(! igraph_is_directed(&g));
igraph_is_simple(&g, &simple, IGRAPH_DIRECTED);
IGRAPH_ASSERT(simple);
igraph_destroy(&g);
VERIFY_FINALLY_STACK();
return 0;
}