1  /* Ensure that __fpending works.
       2  
       3     Copyright (C) 2004, 2007-2023 Free Software Foundation, Inc.
       4  
       5     This program is free software: you can redistribute it and/or modify
       6     it under the terms of the GNU General Public License as published by
       7     the Free Software Foundation, either version 3 of the License, or
       8     (at your option) any later version.
       9  
      10     This program is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      13     GNU General Public License for more details.
      14  
      15     You should have received a copy of the GNU General Public License
      16     along with this program.  If not, see <https://www.gnu.org/licenses/>.
      17  
      18     Written by Jim Meyering.  */
      19  
      20  #include <config.h>
      21  
      22  #include "fpending.h"
      23  
      24  #include <stdio.h>
      25  #include <stdlib.h>
      26  
      27  #include "macros.h"
      28  
      29  int
      30  main (void)
      31  {
      32    ASSERT (__fpending (stdout) == 0);
      33  
      34    fputs ("foo", stdout);
      35    ASSERT (__fpending (stdout) == 3);
      36  
      37    fflush (stdout);
      38    ASSERT (__fpending (stdout) == 0);
      39  
      40    exit (0);
      41  }