tests/test-c-strncasecmp.c

   1 /* Test of case-insensitive string comparison function.
   2    Copyright (C) 2007-2024 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation, either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 /* Written by Bruno Haible <bruno@clisp.org>, 2007.  */
  18
  19 #include <config.h>
  20
  21 #include "c-strcase.h"
  22 #include "c-ctype.h"
  23
  24 #include <locale.h>
  25 #include <string.h>
  26
  27 #include "macros.h"
  28
  29 int
  30 main (int argc, char *argv[])
  31 {
  32   if (argc > 1)
  33     {
  34       /* configure should already have checked that the locale is supported.  */
  35       if (setlocale (LC_ALL, "") == NULL)
  36         return 1;
  37     }
  38
  39   ASSERT (c_strncasecmp ("paragraph", "Paragraph", 1000000) == 0);
  40   ASSERT (c_strncasecmp ("paragraph", "Paragraph", 9) == 0);
  41
  42   ASSERT (c_strncasecmp ("paragrapH", "parAgRaph", 1000000) == 0);
  43   ASSERT (c_strncasecmp ("paragrapH", "parAgRaph", 9) == 0);
  44
  45   ASSERT (c_strncasecmp ("paragraph", "paraLyzed", 10) < 0);
  46   ASSERT (c_strncasecmp ("paragraph", "paraLyzed", 9) < 0);
  47   ASSERT (c_strncasecmp ("paragraph", "paraLyzed", 5) < 0);
  48   ASSERT (c_strncasecmp ("paragraph", "paraLyzed", 4) == 0);
  49   ASSERT (c_strncasecmp ("paraLyzed", "paragraph", 10) > 0);
  50   ASSERT (c_strncasecmp ("paraLyzed", "paragraph", 9) > 0);
  51   ASSERT (c_strncasecmp ("paraLyzed", "paragraph", 5) > 0);
  52   ASSERT (c_strncasecmp ("paraLyzed", "paragraph", 4) == 0);
  53
  54   ASSERT (c_strncasecmp ("para", "paragraph", 10) < 0);
  55   ASSERT (c_strncasecmp ("para", "paragraph", 9) < 0);
  56   ASSERT (c_strncasecmp ("para", "paragraph", 5) < 0);
  57   ASSERT (c_strncasecmp ("para", "paragraph", 4) == 0);
  58   ASSERT (c_strncasecmp ("paragraph", "para", 10) > 0);
  59   ASSERT (c_strncasecmp ("paragraph", "para", 9) > 0);
  60   ASSERT (c_strncasecmp ("paragraph", "para", 5) > 0);
  61   ASSERT (c_strncasecmp ("paragraph", "para", 4) == 0);
  62
  63   /* The following tests shows how c_strncasecmp() is different from
  64      strncasecmp().  */
  65
  66   ASSERT (c_strncasecmp ("\311mily", "\351mile", 4) < 0);
  67   ASSERT (c_strncasecmp ("\351mile", "\311mily", 4) > 0);
  68
  69   /* The following tests shows how c_strncasecmp() is different from
  70      mbsncasecmp().  */
  71
  72   ASSERT (c_strncasecmp ("\303\266zg\303\274r", "\303\226ZG\303\234R", 99) > 0); /* özgür */
  73   ASSERT (c_strncasecmp ("\303\226ZG\303\234R", "\303\266zg\303\274r", 99) < 0); /* özgür */
  74
  75 #if C_CTYPE_ASCII
  76   /* This test shows how strings of different size cannot compare equal.  */
  77   ASSERT (c_strncasecmp ("turkish", "TURK\304\260SH", 7) < 0);
  78   ASSERT (c_strncasecmp ("TURK\304\260SH", "turkish", 7) > 0);
  79 #endif
  80
  81   return test_exit_status;
  82 }