1/* Test of uN_strcat() functions.
2   Copyright (C) 2010 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
19int
20main ()
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}
57