/***
This file is part of systemd
Copyright 2013 Zbigniew Jędrzejewski-Szmek
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <stdio.h>
#include <stdlib.h>
typedef const char* (*lookup_t)(int);
typedef int (*reverse_t)(const char*);
static inline void _test_table(const char *name,
lookup_t lookup,
reverse_t reverse,
int size,
bool sparse) {
int i, boring = 0;
for (i = -1; i < size + 1; i++) {
const char* val = lookup(i);
int rev;
if (val) {
rev = reverse(val);
boring = 0;
} else {
rev = reverse("--no-such--value----");
boring += i >= 0;
}
if (boring < 1 || i == size)
printf("%s: %d → %s → %d\n", name, i, val, rev);
else if (boring == 1)
printf("%*s ...\n", (int) strlen(name), "");
assert_se(!(i >= 0 && i < size ?
sparse ? rev != i && rev != -1 : val == NULL || rev != i :
val != NULL || rev != -1));
}
}
#define test_table(lower, upper) \
_test_table(STRINGIFY(lower), lower##_to_string, lower##_from_string, _##upper##_MAX, false)
#define test_table_sparse(lower, upper) \
_test_table(STRINGIFY(lower), lower##_to_string, lower##_from_string, _##upper##_MAX, true)