tests/id/uid.sh

   1 #!/bin/sh
   2 # Ensure that "id" works with numeric user ids
   3 # Copyright (C) 2013-2019 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 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  19 print_ver_ id
  20
  21 uid=$(id -u) || fail=1
  22 user=$(id -nu) || fail=1
  23
  24 # Ensure the empty user spec is discarded
  25 returns_ 1 id '' || fail=1
  26
  27 # Ensure we don't exit early, and process all users
  28 id $user > user_out || fail=1
  29 returns_ 1 id '' $user >multi_user_out || fail=1
  30 compare user_out multi_user_out || fail=1
  31
  32 for mode in '' '-G' '-g'; do
  33   id $mode $user > user_out || fail=1 # lookup name for comparison
  34
  35   id $mode $uid > uid_out || fail=1   # lookup name "$uid" before id "$uid"
  36   compare user_out uid_out || fail=1
  37
  38   id $mode +$uid > uid_out || fail=1  # lookup only id "$uid"
  39   compare user_out uid_out || fail=1
  40 done
  41
  42 Exit $fail