root/maint/gnulib/tests/unistr/test-strcat.h

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INCLUDED FROM


DEFINITIONS

This source file includes following definitions.
  1. main

   1 /* Test of uN_strcat() functions.
   2    Copyright (C) 2010-2021 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 ()
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  21 {
  22   /* Test small copying operations.  */
  23   {
  24     static const UNIT base[] = { 'C', 'h', 'a', 'n', 'g', 'i', 'n', 'g', 0 };
  25     static const UNIT src[] = { 'c', 'l', 'i', 'm', 'a', 't', 'e', 0 };
  26     size_t m;
  27     size_t n;
  28 
  29     for (m = 0; m < SIZEOF (base); m++)
  30       for (n = 1; n <= SIZEOF (src); n++)
  31         {
  32           UNIT dest[1 + (SIZEOF (base) - 1) + SIZEOF (src) + 1] =
  33             { MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC,
  34               MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC
  35             };
  36           UNIT *result;
  37           size_t i;
  38 
  39           for (i = 0; i < m; i++)
  40             dest[1 + i] = base[i];
  41           dest[1 + m] = 0;
  42 
  43           result = U_STRCAT (dest + 1, src + SIZEOF (src) - n);
  44           ASSERT (result == dest + 1);
  45 
  46           ASSERT (dest[0] == MAGIC);
  47           for (i = 0; i < m; i++)
  48             ASSERT (dest[1 + i] == base[i]);
  49           for (i = 0; i < n; i++)
  50             ASSERT (dest[1 + m + i] == src[SIZEOF (src) - n + i]);
  51           ASSERT (dest[1 + m + n] == MAGIC);
  52         }
  53   }
  54 
  55   return 0;
  56 }

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