tests/zdiff

   1 #!/bin/sh
   2 # Exercise zdiff with two compressed inputs.
   3 # Before gzip-1.4, this would fail.
   4
   5 # Copyright (C) 2009-2010 Free Software Foundation, Inc.
   6
   7 # This program is free software: you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation, either version 3 of the License, or
  10 # (at your option) any later version.
  11
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 # limit so don't run it by default.
  20
  21 . "${srcdir=.}/init.sh"; path_prepend_ ..
  22
  23 echo a > a || framework_failure_
  24 echo b > b || framework_failure_
  25 gzip a b || framework_failure_
  26
  27 cat <<EOF > exp
  28 1c1
  29 < a
  30 ---
  31 > b
  32 EOF
  33
  34 fail=0
  35 zdiff a.gz b.gz > out 2>&1
  36 test $? = 1 || fail=1
  37
  38 compare out exp || fail=1
  39
  40 rm -f out
  41 # expect success, for equal files
  42 zdiff a.gz a.gz > out 2> err || fail=1
  43 # expect no output
  44 test -s out && fail=1
  45 # expect no stderr
  46 test -s err && fail=1
  47
  48 Exit $fail