1  /* Test of uN_cpy() functions.
       2     Copyright (C) 2010-2023 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>, 2010.  */
      18  
      19  int
      20  main ()
      21  {
      22    /* Test small copying operations.  */
      23    {
      24      static const UNIT src[] = { 'c', 'l', 'i', 'm', 'a', 't', 'e' };
      25      size_t n;
      26  
      27      for (n = 0; n <= SIZEOF (src); n++)
      28        {
      29          UNIT dest[1 + SIZEOF (src) + 1] =
      30            { MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC };
      31          UNIT *ret;
      32          size_t i;
      33  
      34          ret = U_CPY (dest + 1, src, n);
      35          ASSERT (ret == dest + 1);
      36          ASSERT (dest[0] == MAGIC);
      37          for (i = 0; i < n; i++)
      38            ASSERT (dest[1 + i] == src[i]);
      39          ASSERT (dest[1 + n] == MAGIC);
      40        }
      41    }
      42  
      43    return 0;
      44  }