tests/test-mbsncasecmp.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 <string.h>
  22
  23 #include <locale.h>
  24
  25 #include "macros.h"
  26
  27 int
  28 main ()
  29 {
  30   /* configure should already have checked that the locale is supported.  */
  31   if (setlocale (LC_ALL, "") == NULL)
  32     return 1;
  33
  34   ASSERT (mbsncasecmp ("paragraph", "Paragraph", 1000000) == 0);
  35   ASSERT (mbsncasecmp ("paragraph", "Paragraph", 9) == 0);
  36
  37   ASSERT (mbsncasecmp ("paragrapH", "parAgRaph", 1000000) == 0);
  38   ASSERT (mbsncasecmp ("paragrapH", "parAgRaph", 9) == 0);
  39
  40   ASSERT (mbsncasecmp ("paragraph", "paraLyzed", 10) < 0);
  41   ASSERT (mbsncasecmp ("paragraph", "paraLyzed", 9) < 0);
  42   ASSERT (mbsncasecmp ("paragraph", "paraLyzed", 5) < 0);
  43   ASSERT (mbsncasecmp ("paragraph", "paraLyzed", 4) == 0);
  44   ASSERT (mbsncasecmp ("paraLyzed", "paragraph", 10) > 0);
  45   ASSERT (mbsncasecmp ("paraLyzed", "paragraph", 9) > 0);
  46   ASSERT (mbsncasecmp ("paraLyzed", "paragraph", 5) > 0);
  47   ASSERT (mbsncasecmp ("paraLyzed", "paragraph", 4) == 0);
  48
  49   ASSERT (mbsncasecmp ("para", "paragraph", 10) < 0);
  50   ASSERT (mbsncasecmp ("para", "paragraph", 9) < 0);
  51   ASSERT (mbsncasecmp ("para", "paragraph", 5) < 0);
  52   ASSERT (mbsncasecmp ("para", "paragraph", 4) == 0);
  53   ASSERT (mbsncasecmp ("paragraph", "para", 10) > 0);
  54   ASSERT (mbsncasecmp ("paragraph", "para", 9) > 0);
  55   ASSERT (mbsncasecmp ("paragraph", "para", 5) > 0);
  56   ASSERT (mbsncasecmp ("paragraph", "para", 4) == 0);
  57
  58   /* The following tests shows how mbsncasecmp() is different from
  59      strncasecmp().  */
  60
  61   ASSERT (mbsncasecmp ("\303\266zg\303\274r", "\303\226ZG\303\234R", 99) == 0); /* özgür */
  62   ASSERT (mbsncasecmp ("\303\226ZG\303\234R", "\303\266zg\303\274r", 99) == 0); /* özgür */
  63
  64   /* This test shows how strings of different size can compare equal.  */
  65   ASSERT (mbsncasecmp ("turkish", "TURK\304\260SH", 7) == 0);
  66   ASSERT (mbsncasecmp ("TURK\304\260SH", "turkish", 7) == 0);
  67
  68   return test_exit_status;
  69 }