tests/misc/sync.sh

   1 #!/bin/sh
   2 # Test various sync(1) operations
   3
   4 # Copyright (C) 2015-2024 Free Software Foundation, Inc.
   5
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10
  11 # This program 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
  14 # GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  18
  19 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  20 print_ver_ sync
  21
  22 touch file || framework_failure_
  23
  24 # fdatasync+syncfs is nonsensical
  25 returns_ 1 sync --data --file-system || fail=1
  26
  27 # fdatasync needs an operand
  28 returns_ 1 sync -d || fail=1
  29
  30 # Test syncing of file (fsync) (little side effects)
  31 sync file || fail=1
  32
  33 # Test syncing of write-only file - which failed since adding argument
  34 # support to sync in coreutils-8.24.
  35 chmod 0200 file || framework_failure_
  36 sync file || fail=1
  37
  38 # Ensure multiple args are processed and diagnosed
  39 returns_ 1 sync file nofile || fail=1
  40
  41 # Ensure inaccessible dirs give an appropriate error
  42 mkdir norw || framework_failure_
  43 chmod 0 norw || framework_failure_
  44 if ! test -r norw; then
  45   returns_ 1 sync norw 2>errt || fail=1
  46   # AIX gives "Is a directory"
  47   sed 's/Is a directory/Permission denied/' <errt >err || framework_failure_
  48   printf "sync: error opening 'norw': Permission denied\n" >exp
  49   compare exp err || fail=1
  50 fi
  51
  52 if test "$fail" != '1'; then
  53   # Ensure a fifo doesn't block
  54   mkfifo_or_skip_ fifo
  55   returns_ 124 timeout 10 sync fifo && fail=1
  56 fi
  57
  58 Exit $fail