1/* Test of ulc_[v]asnprintf() functions.
2   Copyright (C) 2007, 2009, 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>, 2007.  */
18
19static void
20test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
21{
22  char buf[8];
23  int size;
24
25  /* Test return value convention.  */
26
27  for (size = 0; size <= 8; size++)
28    {
29      size_t length = size;
30      char *result = my_asnprintf (NULL, &length, "%d", 12345);
31      ASSERT (result != NULL);
32      ASSERT (strcmp (result, "12345") == 0);
33      ASSERT (length == 5);
34      free (result);
35    }
36
37  for (size = 0; size <= 8; size++)
38    {
39      size_t length;
40      char *result;
41
42      memcpy (buf, "DEADBEEF", 8);
43      length = size;
44      result = my_asnprintf (buf, &length, "%d", 12345);
45      ASSERT (result != NULL);
46      ASSERT (strcmp (result, "12345") == 0);
47      ASSERT (length == 5);
48      if (size < 6)
49        ASSERT (result != buf);
50      ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
51      if (result != buf)
52        free (result);
53    }
54}
55