tests/readlink/multi.sh

   1 #!/bin/sh
   2 # test multiple argument handling.
   3
   4 # Copyright (C) 2012-2024 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_ readlink
  21
  22 touch regfile || framework_failure_
  23 ln -s regfile link1 || framework_failure_
  24
  25 readlink link1 link1 || fail=1
  26 returns_ 1 readlink link1 link2 || fail=1
  27 returns_ 1 readlink link1 link2 link1 || fail=1
  28 readlink -m link1 link2 || fail=1
  29
  30 printf '/1\0/1\0' > exp || framework_failure_
  31 readlink -m --zero /1 /1 > out || fail=1
  32 compare exp out || fail=1
  33
  34 # The largely redundant --no-newline option is ignored with multiple args.
  35 # Note BSD's readlink suppresses all delimiters, even with multiple args,
  36 # but that functionality was not thought useful.
  37 readlink -n -m --zero /1 /1 > out || fail=1
  38 compare exp out || fail=1
  39
  40 # Note the edge case that the last xargs run may not have a delimiter
  41 rm out || framework_failure_
  42 printf '/1\0/1\0/1' > exp || framework_failure_
  43 printf '/1 /1 /1 ' | xargs -n2 readlink -n -m --zero >> out || fail=1
  44 compare exp out || fail=1
  45
  46 Exit $fail