kc3-lang/gnulib/tests/test-mbslen.c

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• Hash : 7b089321
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  Date : 2025-01-01T09:24:36
  

  maint: run 'make update-copyright'
  

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• tests/test-mbslen.c

• /* Test of determining the number of multibyte characters in a string.
     Copyright (C) 2007-2025 Free Software Foundation, Inc.
  
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  /* Written by Bruno Haible <bruno@clisp.org>, 2024.  */
  
  #include <config.h>
  
  #include <string.h>
  
  #include <locale.h>
  
  #include "macros.h"
  
  int
  main ()
  {
    /* configure should already have checked that the locale is supported.  */
    if (setlocale (LC_ALL, "") == NULL)
      return 1;
  
    ASSERT (mbslen ("") == 0);
    ASSERT (mbslen ("Hello") == 5);
  
    /* The following tests shows how mbslen() is different from strlen().  */
    ASSERT (mbslen ("\303\244\303\266") == 2); /* "äö" */
    ASSERT (mbslen ("7\342\202\254") == 2); /* "7€" */
    ASSERT (mbslen ("\360\237\220\203") == 1); /* "🐃" */
  
    ASSERT (mbslen ("\303") == 1); /* invalid multibyte sequence */
    ASSERT (mbslen ("\342\202") == 2); /* 2x invalid multibyte sequence */
    ASSERT (mbslen ("\360\237\220") == 3); /* 3x invalid multibyte sequence */
  
    return test_exit_status;
  }
  

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