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/*
IGraph library.
Copyright (C) 2021 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_error.h>
#include "test_utilities.h"
int cause_error(void) {
IGRAPH_ERRORF("%d %f %ld %c", IGRAPH_EINVAL, 1, 1.0, 1L, 'a');
return IGRAPH_SUCCESS;
}
int cause_warning(void) {
IGRAPH_WARNINGF("%d %f %ld %c", 1, 1.0, 1L, 'a');
return IGRAPH_SUCCESS;
}
int cause_fatal(void) {
IGRAPH_FATALF("%d %f %ld %c", 1, 1.0, 1L, 'a');
}
void error_handler(const char *reason, const char *file, int line, igraph_error_t igraph_errno) {
IGRAPH_UNUSED(file);
IGRAPH_UNUSED(line);
printf("Error. Reason: %s\nErrno: %d\n", reason, igraph_errno);
}
void warning_handler(const char *reason, const char *file, int line) {
IGRAPH_UNUSED(file);
IGRAPH_UNUSED(line);
printf("Warning. Reason: %s\n", reason);
}
void fatal_handler(const char *reason, const char *file, int line) {
IGRAPH_UNUSED(file);
IGRAPH_UNUSED(line);
printf("Fatal. Reason: %s\n", reason);
exit(0);
}
int main(void) {
igraph_set_error_handler(&error_handler);
igraph_set_warning_handler(&warning_handler);
igraph_set_fatal_handler(&fatal_handler);
IGRAPH_ASSERT(cause_error() == IGRAPH_EINVAL);
IGRAPH_ASSERT(cause_warning() == IGRAPH_SUCCESS);
cause_fatal();
/* The igraph_fatal() call must not return, so the following lines should not run. */
printf("This should not be printed.");
return 1;
}
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