tests/test-vasnwprintf-posix3.c

   1 /* Test of POSIX compatible vasnwprintf() and asnwprintf() functions.
   2    Copyright (C) 2010-2024 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>, 2010.  */
  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 /* glibc >= 2.2 supports the 'I' flag, and in glibc >= 2.2.3 the fa_IR
  31    locale defines the 'outdigits' to be U+06F0..U+06F9.
  32    So we test for glibc >= 2.3.  */
  33 #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined __UCLIBC__
  34
  35 static void
  36 test_function (wchar_t * (*my_asnwprintf) (wchar_t *, size_t *, const wchar_t *, ...))
  37 {
  38   /* Test that the 'I' flag is supported.  */
  39   {
  40     size_t length;
  41     wchar_t *result =
  42       my_asnwprintf (NULL, &length, L"%Id %d", 1234567, 99);
  43     static const wchar_t expected[] = /* "۱۲۳۴۵۶۷ 99" */
  44       {
  45         0x06F1, 0x06F2, 0x06F3, 0x06F4, 0x06F5, 0x06F6, 0x06F7, L' ',
  46         L'9', L'9', L'\0'
  47       };
  48     ASSERT (result != NULL);
  49     ASSERT (wcscmp (result, expected) == 0);
  50     ASSERT (length == wcslen (result));
  51     free (result);
  52   }
  53 }
  54
  55 static wchar_t *
  56 my_asnwprintf (wchar_t *resultbuf, size_t *lengthp, const wchar_t *format, ...)
  57 {
  58   va_list args;
  59   wchar_t *ret;
  60
  61   va_start (args, format);
  62   ret = vasnwprintf (resultbuf, lengthp, format, args);
  63   va_end (args);
  64   return ret;
  65 }
  66
  67 static void
  68 test_vasnwprintf ()
  69 {
  70   test_function (my_asnwprintf);
  71 }
  72
  73 static void
  74 test_asnwprintf ()
  75 {
  76   test_function (asnwprintf);
  77 }
  78
  79 #endif
  80
  81 int
  82 main (int argc, char *argv[])
  83 {
  84 #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined __UCLIBC__
  85   /* Select a locale with Arabic 'outdigits'.  */
  86   if (setlocale (LC_ALL, "fa_IR.UTF-8") == NULL
  87       && setlocale (LC_ALL, "fa_IR") == NULL)
  88     {
  89       fprintf (stderr, "Skipping test: no Iranian locale is installed\n");
  90       return 77;
  91     }
  92
  93   test_vasnwprintf ();
  94   test_asnwprintf ();
  95
  96   return test_exit_status;
  97 #else
  98   fprintf (stderr, "Skipping test: not a glibc >= 2.3 system\n");
  99   return 77;
 100 #endif
 101 }