tests/test-utimens.c

   1 /* Tests of utimens.
   2    Copyright (C) 2009-2024 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 Eric Blake <ebb9@byu.net>, 2009.  */
  18
  19 #include <config.h>
  20
  21 #include "utimens.h"
  22
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25
  26 #include "ignore-value.h"
  27 #include "macros.h"
  28
  29 #define BASE "test-utimens.t"
  30
  31 #include "test-futimens.h"
  32 #include "test-lutimens.h"
  33 #include "test-utimens.h"
  34
  35 /* Wrap fdutimens to behave like futimens.  */
  36 static int
  37 do_futimens (int fd, struct timespec const times[2])
  38 {
  39   return fdutimens (fd, NULL, times);
  40 }
  41
  42 /* Test the use of file descriptors alongside a name.  */
  43 static int
  44 do_fdutimens (char const *name, struct timespec const times[2])
  45 {
  46   int result;
  47   int fd = open (name, O_WRONLY);
  48   if (fd < 0)
  49     fd = open (name, O_RDONLY);
  50   errno = 0;
  51   result = fdutimens (fd, name, times);
  52   if (0 <= fd)
  53     {
  54       int saved_errno = errno;
  55       close (fd);
  56       errno = saved_errno;
  57     }
  58   return result;
  59 }
  60
  61 int
  62 main (void)
  63 {
  64   int result1; /* Skip because of no symlink support.  */
  65   int result2; /* Skip because of no futimens support.  */
  66   int result3; /* Skip because of no lutimens support.  */
  67
  68   /* Clean up any trash from prior testsuite runs.  */
  69   ignore_value (system ("rm -rf " BASE "*"));
  70
  71   result1 = test_utimens (utimens, true);
  72   ASSERT (test_utimens (do_fdutimens, false) == result1);
  73   /* Print only one skip message.  */
  74   result2 = test_futimens (do_futimens, result1 == 0);
  75   result3 = test_lutimens (lutimens, (result1 + result2) == 0);
  76   /* We expect 0/0, 0/77, or 77/77, but not 77/0.  */
  77   ASSERT (result1 <= result3);
  78   int result = result1 | result2 | result3;
  79   return (result ? result : test_exit_status);
  80 }