1  /* Test of searching a string for a character.
       2     Copyright (C) 2007-2023 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    /* Tests with a character < 0x30.  */
      35    {
      36      const char input[] = "\312\276\300\375 \312\276\300\375 \312\276\300\375"; /* "示例 示例 示例" */
      37      const char *result = mbschr (input, ' ');
      38      ASSERT (result == input + 4);
      39    }
      40  
      41    {
      42      const char input[] = "\312\276\300\375"; /* "示例" */
      43      const char *result = mbschr (input, ' ');
      44      ASSERT (result == NULL);
      45    }
      46  
      47    /* Tests with a character >= 0x30.  */
      48    {
      49      const char input[] = "\272\305123\324\313\320\320\241\243"; /* "号123运行。" */
      50      const char *result = mbschr (input, '2');
      51      ASSERT (result == input + 3);
      52    }
      53  
      54    /* This test shows how mbschr() is different from strchr().  */
      55    {
      56      const char input[] = "\203\062\332\066123\324\313\320\320\241\243"; /* "씋123运行。" */
      57      const char *result = mbschr (input, '2');
      58      ASSERT (result == input + 5);
      59    }
      60  
      61    {
      62      const char input[] = "\312\300\275\347\304\343\272\303\243\241"; /* "世界你好！" */
      63      const char *result = mbschr (input, '!');
      64      ASSERT (result == NULL);
      65    }
      66  
      67    return 0;
      68  }