kc3-lang/gnulib/tests/unistr/test-strcat.h

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• Hash : 32a72f45
  Author :
  Date : 2023-01-01T01:14:21
  

  maint: run 'make update-copyright'
  

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• tests/unistr/test-strcat.h

• /* Test of uN_strcat() functions.
     Copyright (C) 2010-2023 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>, 2010.  */
  
  int
  main ()
  {
    /* Test small copying operations.  */
    {
      static const UNIT base[] = { 'C', 'h', 'a', 'n', 'g', 'i', 'n', 'g', 0 };
      static const UNIT src[] = { 'c', 'l', 'i', 'm', 'a', 't', 'e', 0 };
      size_t m;
      size_t n;
  
      for (m = 0; m < SIZEOF (base); m++)
        for (n = 1; n <= SIZEOF (src); n++)
          {
            UNIT dest[1 + (SIZEOF (base) - 1) + SIZEOF (src) + 1] =
              { MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC,
                MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC
              };
            UNIT *result;
            size_t i;
  
            for (i = 0; i < m; i++)
              dest[1 + i] = base[i];
            dest[1 + m] = 0;
  
            result = U_STRCAT (dest + 1, src + SIZEOF (src) - n);
            ASSERT (result == dest + 1);
  
            ASSERT (dest[0] == MAGIC);
            for (i = 0; i < m; i++)
              ASSERT (dest[1 + i] == base[i]);
            for (i = 0; i < n; i++)
              ASSERT (dest[1 + m + i] == src[SIZEOF (src) - n + i]);
            ASSERT (dest[1 + m + n] == MAGIC);
          }
    }
  
    return 0;
  }
  

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