src/test/test-user-util.c

   1 /***
   2   This file is part of systemd.
   3
   4   Copyright 2015 Lennart Poettering
   5
   6   systemd is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU Lesser General Public License as published by
   8   the Free Software Foundation; either version 2.1 of the License, or
   9   (at your option) any later version.
  10
  11   systemd is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   Lesser General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  18 ***/
  19
  20 #include "alloc-util.h"
  21 #include "macro.h"
  22 #include "string-util.h"
  23 #include "user-util.h"
  24 #include "util.h"
  25
  26 static void test_uid_to_name_one(uid_t uid, const char *name) {
  27         _cleanup_free_ char *t = NULL;
  28
  29         assert_se(t = uid_to_name(uid));
  30         assert_se(streq_ptr(t, name));
  31 }
  32
  33 static void test_gid_to_name_one(gid_t gid, const char *name) {
  34         _cleanup_free_ char *t = NULL;
  35
  36         assert_se(t = gid_to_name(gid));
  37         assert_se(streq_ptr(t, name));
  38 }
  39
  40 static void test_parse_uid(void) {
  41         int r;
  42         uid_t uid;
  43
  44         r = parse_uid("100", &uid);
  45         assert_se(r == 0);
  46         assert_se(uid == 100);
  47
  48         r = parse_uid("65535", &uid);
  49         assert_se(r == -ENXIO);
  50
  51         r = parse_uid("asdsdas", &uid);
  52         assert_se(r == -EINVAL);
  53 }
  54
  55 static void test_uid_ptr(void) {
  56
  57         assert_se(UID_TO_PTR(0) != NULL);
  58         assert_se(UID_TO_PTR(1000) != NULL);
  59
  60         assert_se(PTR_TO_UID(UID_TO_PTR(0)) == 0);
  61         assert_se(PTR_TO_UID(UID_TO_PTR(1000)) == 1000);
  62 }
  63
  64 int main(int argc, char*argv[]) {
  65
  66         test_uid_to_name_one(0, "root");
  67         test_uid_to_name_one(0xFFFF, "65535");
  68         test_uid_to_name_one(0xFFFFFFFF, "4294967295");
  69
  70         test_gid_to_name_one(0, "root");
  71         test_gid_to_name_one(TTY_GID, "tty");
  72         test_gid_to_name_one(0xFFFF, "65535");
  73         test_gid_to_name_one(0xFFFFFFFF, "4294967295");
  74
  75         test_parse_uid();
  76         test_uid_ptr();
  77
  78         return 0;
  79 }