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#include <igraph.h>
#include <stdio.h>
#include <stdlib.h>
void check_attr(igraph_t *graph, int offset) {
if (!igraph_cattribute_has_attr(graph, IGRAPH_ATTRIBUTE_GRAPH, "name")) {
printf("No graph attribute `name`\n");
exit(offset + 2);
}
if (!igraph_cattribute_has_attr(graph, IGRAPH_ATTRIBUTE_GRAPH, "type")) {
printf("No graph attribute `type`\n");
exit(offset + 3);
}
if (!igraph_cattribute_has_attr(graph, IGRAPH_ATTRIBUTE_GRAPH, "p")) {
printf("No graph attribute `p`\n");
exit(offset + 4);
}
if (!igraph_cattribute_has_attr(graph, IGRAPH_ATTRIBUTE_VERTEX,
"name")) {
printf("No vertex attribute `id`\n");
exit(offset + 5);
}
if (!igraph_cattribute_has_attr(graph, IGRAPH_ATTRIBUTE_EDGE,
"weight")) {
printf("No edge attribute `weight'\n");
exit(offset + 6);
}
}
int main() {
igraph_t graph;
igraph_error_handler_t* oldhandler;
int result;
FILE *ifile = fopen("cattr_bool_bug.graphml", "r");
if (!ifile) {
printf("Cannot open input file");
return 1;
}
igraph_i_set_attribute_table(&igraph_cattribute_table);
oldhandler = igraph_set_error_handler(igraph_error_handler_ignore);
if ((result = igraph_read_graph_graphml(&graph, ifile, 0))) {
/* maybe it is simply disabled at compile-time */
if (result == IGRAPH_UNIMPLEMENTED) {
return 77;
}
return 1;
}
igraph_set_error_handler(oldhandler);
fclose(ifile);
check_attr(&graph, 10);
igraph_to_directed(&graph, IGRAPH_TO_DIRECTED_ARBITRARY);
check_attr(&graph, 20);
if (GAB(&graph, "loops")) {
return 2;
}
igraph_destroy(&graph);
return 0;
}
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