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 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 if test "$VERBOSE" = yes; then
  22   set -x
  23   zdiff --version
  24 fi
  25
  26 . $srcdir/tests/test-lib.sh
  27
  28 echo a > a || framework_failure
  29 echo b > b || framework_failure
  30 gzip a b || framework_failure
  31
  32 cat <<EOF > exp
  33 1c1
  34 < a
  35 ---
  36 > b
  37 EOF
  38
  39 fail=0
  40 zdiff a.gz b.gz > out 2>&1
  41 test $? = 1 || fail=1
  42
  43 compare out exp || fail=1
  44
  45 rm -f out
  46 # expect success, for equal files
  47 zdiff a.gz a.gz > out 2> err || fail=1
  48 # expect no output
  49 test -s out && fail=1
  50 # expect no stderr
  51 test -s err && fail=1
  52
  53 Exit $fail