tests/test-iswblank.c

   1 /* Test of iswblank() function.
   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 #include <config.h>
  18
  19 #include <wctype.h>
  20
  21 #include "macros.h"
  22
  23 /* Check that WEOF is defined.  */
  24 wint_t e = WEOF;
  25
  26 int
  27 main (void)
  28 {
  29   /* Check that the function exist as a function or as a macro.  */
  30   (void) iswblank (0);
  31   /* Check that the isw* functions map WEOF to 0.  */
  32   ASSERT (!iswblank (e));
  33
  34   /* Sanity check for the iswblank function.  */
  35   ASSERT (iswblank (L' '));
  36   ASSERT (iswblank (L'\t'));
  37   ASSERT (!iswblank (L'\n'));
  38
  39   return test_exit_status;
  40 }