Add graph references

2026-06-28 13:49:01 +01:00
parent 0a9807e448
commit a11edf0c53
2578 changed files with 868045 additions and 0 deletions
@@ -0,0 +1,68 @@
+/*
+   igraph library.
+   Copyright (C) 2024  The igraph development team <igraph@igraph.org>
+
+   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, see <https://www.gnu.org/licenses/>.
+*/
+
+#include <igraph.h>
+#include <stdio.h>
+
+#include "../unit/test_utilities.h"
+
+int main(void) {
+    igraph_t g;
+    igraph_error_t result;
+    FILE *ifile;
+
+    igraph_set_error_handler(igraph_error_handler_ignore);
+
+    igraph_set_attribute_table(&igraph_cattribute_table);
+
+    ifile = fopen("bug_2506_1.graphml", "r");
+    IGRAPH_ASSERT(ifile != NULL);
+
+    result = igraph_read_graph_graphml(&g, ifile, 0);
+    fclose(ifile);
+
+    if (result == IGRAPH_UNIMPLEMENTED) {
+        /* maybe it is simply disabled at compile-time */
+        return 77;
+    }
+
+    IGRAPH_ASSERT(result == IGRAPH_PARSEERROR);
+    IGRAPH_ASSERT(IGRAPH_FINALLY_STACK_EMPTY);
+
+    ifile = fopen("bug_2506_2.graphml", "r");
+    IGRAPH_ASSERT(ifile != NULL);
+
+    result = igraph_read_graph_graphml(&g, ifile, 0);
+    fclose(ifile);
+
+    IGRAPH_ASSERT(result == IGRAPH_PARSEERROR);
+    IGRAPH_ASSERT(IGRAPH_FINALLY_STACK_EMPTY);
+
+    ifile = fopen("bug_2506_3.graphml", "r");
+    IGRAPH_ASSERT(ifile != NULL);
+
+    result = igraph_read_graph_graphml(&g, ifile, 0);
+    fclose(ifile);
+
+    IGRAPH_ASSERT(result == IGRAPH_PARSEERROR);
+    IGRAPH_ASSERT(IGRAPH_FINALLY_STACK_EMPTY);
+
+    VERIFY_FINALLY_STACK();
+
+    return 0;
+}