1  /* Test of case-insensitive string comparison function.
       2     Copyright (C) 2007-2022 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 0;
      82  }