string/tst-strerror.c

   1 /* Test for strerror, strerror_r, and strerror_l.
   2
   3    Copyright (C) 2020-2023 Free Software Foundation, Inc.
   4    This file is part of the GNU C Library.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <https://www.gnu.org/licenses/>.  */
  19
  20 #include <string.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <errno.h>
  24 #include <locale.h>
  25 #include <array_length.h>
  26
  27 #include <support/support.h>
  28 #include <support/check.h>
  29
  30 static int
  31 do_test (void)
  32 {
  33   unsetenv ("LANGUAGE");
  34
  35   xsetlocale (LC_ALL, "C");
  36
  37   TEST_COMPARE_STRING (strerror (EINVAL), "Invalid argument");
  38   TEST_COMPARE_STRING (strerror (-1),     "Unknown error -1");
  39
  40   {
  41     char buffer[32];
  42     TEST_COMPARE_STRING (strerror_r (EINVAL, buffer, 8),
  43                          "Invalid argument");
  44     TEST_COMPARE_STRING (strerror_r (-1, buffer, 8),
  45                          "Unknown");
  46     TEST_COMPARE_STRING (strerror_r (-1, buffer, 16),
  47                          "Unknown error -");
  48     TEST_COMPARE_STRING (strerror_r (-1, buffer, 32),
  49                          "Unknown error -1");
  50   }
  51
  52   locale_t l = xnewlocale (LC_ALL_MASK, "pt_BR.UTF-8", NULL);
  53
  54   TEST_COMPARE_STRING (strerror_l (EINVAL, l), "Argumento inv\303\241lido");
  55   TEST_COMPARE_STRING (strerror_l (-1, l),     "Erro desconhecido -1");
  56
  57   xuselocale (l);
  58
  59   TEST_COMPARE_STRING (strerror (EINVAL), "Argumento inv\303\241lido");
  60   TEST_COMPARE_STRING (strerror (-1),     "Erro desconhecido -1");
  61
  62   {
  63     char buffer[32];
  64     TEST_COMPARE_STRING (strerror_r (EINVAL, buffer, 8),
  65                          "Argumento inv\303\241lido");
  66     TEST_COMPARE_STRING (strerror_r (-1, buffer, 8),
  67                          "Erro de");
  68     TEST_COMPARE_STRING (strerror_r (-1, buffer, 16),
  69                          "Erro desconheci");
  70     TEST_COMPARE_STRING (strerror_r (-1, buffer, 32),
  71                          "Erro desconhecido -1");
  72   }
  73
  74   freelocale (l);
  75
  76   return 0;
  77 }
  78
  79 #include <support/test-driver.c>