src/test/test-string-util.c

   1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
   2
   3 /***
   4   This file is part of systemd.
   5
   6   Copyright 2015 Lennart Poettering
   7
   8   systemd is free software; you can redistribute it and/or modify it
   9   under the terms of the GNU Lesser General Public License as published by
  10   the Free Software Foundation; either version 2.1 of the License, or
  11   (at your option) any later version.
  12
  13   systemd is distributed in the hope that it will be useful, but
  14   WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16   Lesser General Public License for more details.
  17
  18   You should have received a copy of the GNU Lesser General Public License
  19   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  20 ***/
  21
  22 #include "string-util.h"
  23
  24 static void test_string_erase(void) {
  25         char *x;
  26
  27         x = strdupa("");
  28         assert_se(streq(string_erase(x), ""));
  29
  30         x = strdupa("1");
  31         assert_se(streq(string_erase(x), "x"));
  32
  33         x = strdupa("12");
  34         assert_se(streq(string_erase(x), "xx"));
  35
  36         x = strdupa("123");
  37         assert_se(streq(string_erase(x), "xxx"));
  38
  39         x = strdupa("1234");
  40         assert_se(streq(string_erase(x), "xxxx"));
  41
  42         x = strdupa("12345");
  43         assert_se(streq(string_erase(x), "xxxxx"));
  44
  45         x = strdupa("123456");
  46         assert_se(streq(string_erase(x), "xxxxxx"));
  47
  48         x = strdupa("1234567");
  49         assert_se(streq(string_erase(x), "xxxxxxx"));
  50
  51         x = strdupa("12345678");
  52         assert_se(streq(string_erase(x), "xxxxxxxx"));
  53
  54         x = strdupa("123456789");
  55         assert_se(streq(string_erase(x), "xxxxxxxxx"));
  56 }
  57
  58 static void test_ascii_strcasecmp_n(void) {
  59
  60         assert_se(ascii_strcasecmp_n("", "", 0) == 0);
  61         assert_se(ascii_strcasecmp_n("", "", 1) == 0);
  62         assert_se(ascii_strcasecmp_n("", "a", 1) < 0);
  63         assert_se(ascii_strcasecmp_n("", "a", 2) < 0);
  64         assert_se(ascii_strcasecmp_n("a", "", 1) > 0);
  65         assert_se(ascii_strcasecmp_n("a", "", 2) > 0);
  66         assert_se(ascii_strcasecmp_n("a", "a", 1) == 0);
  67         assert_se(ascii_strcasecmp_n("a", "a", 2) == 0);
  68         assert_se(ascii_strcasecmp_n("a", "b", 1) < 0);
  69         assert_se(ascii_strcasecmp_n("a", "b", 2) < 0);
  70         assert_se(ascii_strcasecmp_n("b", "a", 1) > 0);
  71         assert_se(ascii_strcasecmp_n("b", "a", 2) > 0);
  72         assert_se(ascii_strcasecmp_n("xxxxyxxxx", "xxxxYxxxx", 9) == 0);
  73         assert_se(ascii_strcasecmp_n("xxxxxxxxx", "xxxxyxxxx", 9) < 0);
  74         assert_se(ascii_strcasecmp_n("xxxxXxxxx", "xxxxyxxxx", 9) < 0);
  75         assert_se(ascii_strcasecmp_n("xxxxxxxxx", "xxxxYxxxx", 9) < 0);
  76         assert_se(ascii_strcasecmp_n("xxxxXxxxx", "xxxxYxxxx", 9) < 0);
  77
  78         assert_se(ascii_strcasecmp_n("xxxxYxxxx", "xxxxYxxxx", 9) == 0);
  79         assert_se(ascii_strcasecmp_n("xxxxyxxxx", "xxxxxxxxx", 9) > 0);
  80         assert_se(ascii_strcasecmp_n("xxxxyxxxx", "xxxxXxxxx", 9) > 0);
  81         assert_se(ascii_strcasecmp_n("xxxxYxxxx", "xxxxxxxxx", 9) > 0);
  82         assert_se(ascii_strcasecmp_n("xxxxYxxxx", "xxxxXxxxx", 9) > 0);
  83 }
  84
  85 static void test_ascii_strcasecmp_nn(void) {
  86         assert_se(ascii_strcasecmp_nn("", 0, "", 0) == 0);
  87         assert_se(ascii_strcasecmp_nn("", 0, "", 1) < 0);
  88         assert_se(ascii_strcasecmp_nn("", 1, "", 0) > 0);
  89         assert_se(ascii_strcasecmp_nn("", 1, "", 1) == 0);
  90
  91         assert_se(ascii_strcasecmp_nn("aaaa", 4, "aaAa", 4) == 0);
  92         assert_se(ascii_strcasecmp_nn("aaa", 3, "aaAa", 4) < 0);
  93         assert_se(ascii_strcasecmp_nn("aaa", 4, "aaAa", 4) < 0);
  94         assert_se(ascii_strcasecmp_nn("aaaa", 4, "aaA", 3) > 0);
  95         assert_se(ascii_strcasecmp_nn("aaaa", 4, "AAA", 4) > 0);
  96
  97         assert_se(ascii_strcasecmp_nn("aaaa", 4, "bbbb", 4) < 0);
  98         assert_se(ascii_strcasecmp_nn("aaAA", 4, "BBbb", 4) < 0);
  99         assert_se(ascii_strcasecmp_nn("BBbb", 4, "aaaa", 4) > 0);
 100 }
 101
 102 int main(int argc, char *argv[]) {
 103         test_string_erase();
 104         test_ascii_strcasecmp_n();
 105         test_ascii_strcasecmp_nn();
 106         return 0;
 107 }