tests/misc/truncate-parameters.sh

   1 #!/bin/sh
   2 # Validate truncate parameter combinations
   3
   4 # Copyright (C) 2008-2016 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 <http://www.gnu.org/licenses/>.
  18
  19 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  20 print_ver_ truncate
  21
  22
  23 # must specify at least 1 file
  24 returns_ 1 truncate --size=0 || fail=1
  25
  26 # must specify size. don't default to 0
  27 returns_ 1 truncate file || fail=1
  28
  29 # mixture of absolute size & reference not allowed
  30 returns_ 1 truncate --size=0 --reference=file file || fail=1
  31
  32 # blocks without size is not valid
  33 returns_ 1 truncate --io-blocks --reference=file file || fail=1
  34
  35 # must specify valid numbers
  36 returns_ 1 truncate --size="invalid" file || fail=1
  37
  38 # spaces not significant around size
  39 returns_ 1 truncate --size="> -1" file || fail=1
  40 truncate --size=" >1" file || fail=1 #file now 1
  41 truncate --size=" +1" file || fail=1 #file now 2
  42 test $(stat --format %s file) = 2 || fail=1
  43
  44 # reference allowed with relative size
  45 truncate --size=" +1" -r file file || fail=1 #file now 3
  46 test $(stat --format %s file) = 3 || fail=1
  47
  48 # reference allowed alone also
  49 truncate -r file file || fail=1 #file still 3
  50 test $(stat --format %s file) = 3 || fail=1
  51 truncate -r file file2 || fail=1 #file2 now 3
  52 test $(stat --format %s file2) = 3 || fail=1
  53
  54 Exit $fail