1 /* Test of POSIX compatible vasnprintf() and asnprintf() functions.
2 Copyright (C) 2007-2008 Free Software Foundation, Inc.
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.
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.
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/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
21 #include "vasnprintf.h"
28 #define ASSERT(expr) \
33 fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
41 main (int argc, char *argv[])
43 /* configure should already have checked that the locale is supported. */
44 if (setlocale (LC_ALL, "") == NULL)
47 /* Test that a locale dependent decimal point is used. */
50 char *result = asnprintf (NULL, &length, "%.1a", 1.0);
51 ASSERT (result != NULL);
52 ASSERT (strcmp (result, "0x1,0p+0") == 0
53 || strcmp (result, "0x2,0p-1") == 0
54 || strcmp (result, "0x4,0p-2") == 0
55 || strcmp (result, "0x8,0p-3") == 0);
56 ASSERT (length == strlen (result));
60 /* Test that a locale dependent decimal point is used. */
63 char *result = asnprintf (NULL, &length, "%.1La", 1.0L);
64 ASSERT (result != NULL);
65 ASSERT (strcmp (result, "0x1,0p+0") == 0
66 || strcmp (result, "0x2,0p-1") == 0
67 || strcmp (result, "0x4,0p-2") == 0
68 || strcmp (result, "0x8,0p-3") == 0);
69 ASSERT (length == strlen (result));