1/* Test of u32_[v]asnprintf() function.
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 (uint32_t * (*my_asnprintf) (uint32_t *, size_t *, const char *, ...))
21{
22  uint32_t 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      uint32_t *result = my_asnprintf (NULL, &length, "%d", 12345);
31      static const uint32_t expected[] =
32        { '1', '2', '3', '4', '5', 0 };
33      ASSERT (result != NULL);
34      ASSERT (u32_strcmp (result, expected) == 0);
35      ASSERT (length == 5);
36      free (result);
37    }
38
39  for (size = 0; size <= 8; size++)
40    {
41      static const uint32_t initializer[] =
42        { 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F', 0 };
43      static const uint32_t expected[] =
44        { '1', '2', '3', '4', '5', 0 };
45      size_t length;
46      uint32_t *result;
47
48      u32_cpy (buf, initializer, 8);
49      length = size;
50      result = my_asnprintf (buf, &length, "%d", 12345);
51      ASSERT (result != NULL);
52      ASSERT (u32_strcmp (result, expected) == 0);
53      ASSERT (length == 5);
54      if (size < 6)
55        ASSERT (result != buf);
56      ASSERT (u32_cmp (buf + size, initializer + size, 8 - size) == 0);
57      if (result != buf)
58        free (result);
59    }
60}
61