tests/test-vasnwprintf-posix2.c

   1 /* Test of POSIX compatible vasnwprintf() and asnwprintf() functions.
   2    Copyright (C) 2007-2024 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 <https://www.gnu.org/licenses/>.  */
  16
  17 /* Written by Bruno Haible <bruno@clisp.org>, 2007.  */
  18
  19 #include <config.h>
  20
  21 #include "vasnwprintf.h"
  22
  23 #include <locale.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <wchar.h>
  27
  28 #include "macros.h"
  29
  30 int
  31 main (int argc, char *argv[])
  32 {
  33   /* configure should already have checked that the locale is supported.  */
  34   if (setlocale (LC_ALL, "") == NULL)
  35     return 1;
  36
  37   /* Test that a locale dependent decimal point is used.  */
  38   {
  39     size_t length;
  40     wchar_t *result = asnwprintf (NULL, &length, L"%.1a", 1.0);
  41     ASSERT (result != NULL);
  42     ASSERT (wcscmp (result, L"0x1,0p+0") == 0
  43             || wcscmp (result, L"0x2,0p-1") == 0
  44             || wcscmp (result, L"0x4,0p-2") == 0
  45             || wcscmp (result, L"0x8,0p-3") == 0);
  46     ASSERT (length == wcslen (result));
  47     free (result);
  48   }
  49
  50   /* Test that a locale dependent decimal point is used.  */
  51   {
  52     size_t length;
  53     wchar_t *result = asnwprintf (NULL, &length, L"%.1La", 1.0L);
  54     ASSERT (result != NULL);
  55     ASSERT (wcscmp (result, L"0x1,0p+0") == 0
  56             || wcscmp (result, L"0x2,0p-1") == 0
  57             || wcscmp (result, L"0x4,0p-2") == 0
  58             || wcscmp (result, L"0x8,0p-3") == 0);
  59     ASSERT (length == wcslen (result));
  60     free (result);
  61   }
  62
  63   return test_exit_status;
  64 }