tests/unistr/test-stpcpy.h

   1 /* Test of uN_stpcpy() functions.
   2    Copyright (C) 2010-2017 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 <http://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', 0 };
  25     size_t n;
  26
  27     for (n = 1; n <= SIZEOF (src); n++)
  28       {
  29         UNIT dest[1 + SIZEOF (src) + 1] =
  30           { MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC,
  31             MAGIC
  32           };
  33         UNIT *result;
  34         size_t i;
  35
  36         result = U_STPCPY (dest + 1, src + SIZEOF (src) - n);
  37         ASSERT (result == dest + n);
  38
  39         ASSERT (dest[0] == MAGIC);
  40         for (i = 0; i < n; i++)
  41           ASSERT (dest[1 + i] == src[SIZEOF (src) - n + i]);
  42         ASSERT (dest[1 + n] == MAGIC);
  43       }
  44   }
  45
  46   return 0;
  47 }