tests/truncate/truncate-fail-diag.sh

   1 #!/bin/sh
   2 # make sure truncate gives reasonable diagnostics
   3 # Note open() checks for trailing '/' before checking for existence
   4 # open (".", O_CREAT & (O_WRONLY | O_RDWR), ...) -> EISDIR
   5 # open ("missing/", O_CREAT & (O_WRONLY | O_RDWR), ...) -> EISDIR
   6 # open ("missing/file", O_CREAT & (O_WRONLY | O_RDWR), ...) -> ENOENT
   7
   8 # Copyright (C) 2008-2024 Free Software Foundation, Inc.
   9
  10 # This program is free software: you can redistribute it and/or modify
  11 # it under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation, either version 3 of the License, or
  13 # (at your option) any later version.
  14
  15 # This program is distributed in the hope that it will be useful,
  16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 # GNU General Public License for more details.
  19
  20 # You should have received a copy of the GNU General Public License
  21 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  22
  23 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  24 print_ver_ truncate
  25 skip_if_root_
  26
  27
  28 d1=no
  29
  30 dir=$d1/such-dir
  31 truncate -s0 $dir > out 2>&1 && fail=1
  32 cat <<EOF > exp
  33 truncate: cannot open '$dir' for writing: No such file or directory
  34 EOF
  35 compare exp out || fail=1
  36
  37 dir=$d1/
  38 truncate -s0 $dir > out 2>&1 && fail=1
  39 #The following can be returned at least
  40 #truncate: cannot open '$dir' for writing: Not a directory
  41 #truncate: cannot open '$dir' for writing: Is a directory
  42
  43 Exit $fail