maint: initialize MAINTAINERCLEANFILES
[gzip.git] / tests / zdiff
bloba3e137404921cde3d05020b247fe971c0ea57e8f
1 #!/bin/sh
2 # Exercise zdiff with two compressed inputs.
3 # Before gzip-1.4, this would fail.
5 # Copyright (C) 2009-2024 Free Software Foundation, Inc.
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.
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.
17 # You should have received a copy of the GNU General Public License
18 # along with this program. If not, see <https://www.gnu.org/licenses/>.
19 # limit so don't run it by default.
21 . "${srcdir=.}/init.sh"; path_prepend_ ..
23 echo a > a || framework_failure_
24 echo b > b || framework_failure_
26 cat <<EOF > exp
27 1c1
28 < a
29 ---
30 > b
31 EOF
33 diff a b | diff exp - || skip_ "diff output format is incompatible with POSIX"
35 fail=0
36 gzip a b || fail=1
37 returns_ 1 zdiff a.gz b.gz > out 2> err || fail=1
39 compare exp out || fail=1
40 grep -v '^+' err && fail=1
42 rm -f out
43 # expect success, for equal files
44 zdiff a.gz a.gz > out 2> err || fail=1
45 # expect no output
46 test -s out && fail=1
47 # expect no stderr
48 test -s err && fail=1
50 Exit $fail