src/test/test-uid-range.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   This file is part of systemd.
   4
   5   Copyright 2014 Lennart Poettering
   6 ***/
   7
   8 #include <stddef.h>
   9
  10 #include "alloc-util.h"
  11 #include "uid-range.h"
  12 #include "user-util.h"
  13 #include "util.h"
  14
  15 int main(int argc, char *argv[]) {
  16         _cleanup_free_ UidRange *p = NULL;
  17         unsigned n = 0;
  18         uid_t search;
  19
  20         assert_se(uid_range_add_str(&p, &n, "500-999") >= 0);
  21         assert_se(n == 1);
  22         assert_se(p[0].start == 500);
  23         assert_se(p[0].nr == 500);
  24
  25         assert_se(!uid_range_contains(p, n, 499));
  26         assert_se(uid_range_contains(p, n, 500));
  27         assert_se(uid_range_contains(p, n, 999));
  28         assert_se(!uid_range_contains(p, n, 1000));
  29
  30         search = UID_INVALID;
  31         assert_se(uid_range_next_lower(p, n, &search));
  32         assert_se(search == 999);
  33         assert_se(uid_range_next_lower(p, n, &search));
  34         assert_se(search == 998);
  35         search = 501;
  36         assert_se(uid_range_next_lower(p, n, &search));
  37         assert_se(search == 500);
  38         assert_se(uid_range_next_lower(p, n, &search) == -EBUSY);
  39
  40         assert_se(uid_range_add_str(&p, &n, "1000") >= 0);
  41         assert_se(n == 1);
  42         assert_se(p[0].start == 500);
  43         assert_se(p[0].nr == 501);
  44
  45         assert_se(uid_range_add_str(&p, &n, "30-40") >= 0);
  46         assert_se(n == 2);
  47         assert_se(p[0].start == 30);
  48         assert_se(p[0].nr == 11);
  49         assert_se(p[1].start == 500);
  50         assert_se(p[1].nr == 501);
  51
  52         assert_se(uid_range_add_str(&p, &n, "60-70") >= 0);
  53         assert_se(n == 3);
  54         assert_se(p[0].start == 30);
  55         assert_se(p[0].nr == 11);
  56         assert_se(p[1].start == 60);
  57         assert_se(p[1].nr == 11);
  58         assert_se(p[2].start == 500);
  59         assert_se(p[2].nr == 501);
  60
  61         assert_se(uid_range_add_str(&p, &n, "20-2000") >= 0);
  62         assert_se(n == 1);
  63         assert_se(p[0].start == 20);
  64         assert_se(p[0].nr == 1981);
  65
  66         assert_se(uid_range_add_str(&p, &n, "2002") >= 0);
  67         assert_se(n == 2);
  68         assert_se(p[0].start == 20);
  69         assert_se(p[0].nr == 1981);
  70         assert_se(p[1].start == 2002);
  71         assert_se(p[1].nr == 1);
  72
  73         assert_se(uid_range_add_str(&p, &n, "2001") >= 0);
  74         assert_se(n == 1);
  75         assert_se(p[0].start == 20);
  76         assert_se(p[0].nr == 1983);
  77
  78         return 0;
  79 }