tests/misc/tac-continue.sh

   1 #!/bin/sh
   2 # Ensure that tac processes all command line arguments, even
   3 # when it encounters an error with say the first one.
   4 # With coreutils-5.2.1 and earlier, this test would fail.
   5
   6 # Copyright (C) 2004-2017 Free Software Foundation, Inc.
   7
   8 # This program is free software: you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation, either version 3 of the License, or
  11 # (at your option) any later version.
  12
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20
  21 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  22 print_ver_ tac
  23
  24 # See if the envvar is defined.
  25 if test x = "x$FULL_PARTITION_TMPDIR"; then
  26   skip_ "FULL_PARTITION_TMPDIR not defined"
  27 fi
  28
  29 if ! test -d "$FULL_PARTITION_TMPDIR"; then
  30   echo "$0: $FULL_PARTITION_TMPDIR:" \
  31     "\$FULL_PARTITION_TMPDIR does not specify a directory" 1>&2
  32   Exit 1
  33 fi
  34
  35 fp_tmp="$FULL_PARTITION_TMPDIR/tac-cont-$$"
  36 cleanup_()
  37 {
  38   # Terminate any background process
  39   # and remove tmp dir
  40   rm -f "$fp_tmp"
  41   kill $pid 2>/dev/null && wait $pid
  42 }
  43
  44 # Make sure we can create an empty file there (i.e., no shortage of inodes).
  45 if ! touch $fp_tmp; then
  46   echo "$0: $fp_tmp: cannot create empty file" 1>&2
  47   Exit 1
  48 fi
  49
  50 # Make sure that we fail when trying to create a file large enough
  51 # to consume a non-inode block.
  52 if seq 1000 > $fp_tmp 2>/dev/null; then
  53   echo "$0: $FULL_PARTITION_TMPDIR: not a full partition" 1>&2
  54   Exit 1
  55 fi
  56
  57 seq 5 > in
  58
  59
  60 # Give tac a fifo command line argument.
  61 # This makes it try to create a temporary file in $TMPDIR.
  62 mkfifo_or_skip_ fifo
  63 seq 1000 > fifo & pid=$!
  64 TMPDIR=$FULL_PARTITION_TMPDIR tac fifo in >out 2>err && fail=1
  65
  66 cat <<\EOF > exp || fail=1
  67 5
  68 4
  69 3
  70 2
  71 1
  72 EOF
  73
  74 compare exp out || fail=1
  75
  76 Exit $fail