2 # Ensure that gzip -cdf handles mixed compressed/not-compressed data
3 # Before gzip-1.5, it would produce invalid output.
5 # Copyright (C) 2010 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 <http://www.gnu.org/licenses/>.
19 # limit so don't run it by default.
22 . "$srcdir/init.sh"; path_prepend_ ..
24 printf 'xxx\nyyy\n' > exp2 || framework_failure_
25 printf 'aaa\nbbb\nccc\n' > exp3 || framework_failure_
29 (echo xxx; echo yyy) > in || fail=1
30 gzip -cdf < in > out || fail=1
31 compare out exp2 || fail=1
33 # Uncompressed input, followed by compressed data.
34 # Currently fails, so skip it.
35 # (echo xxx; echo yyy|gzip) > in || fail=1
36 # gzip -cdf < in > out || fail=1
37 # compare out exp2 || fail=1
39 # Compressed input, followed by regular (not-compressed) data.
40 (echo xxx|gzip; echo yyy) > in || fail=1
41 gzip -cdf < in > out || fail=1
42 compare out exp2 || fail=1
44 (echo xxx|gzip; echo yyy|gzip) > in || fail=1
45 gzip -cdf < in > out || fail=1
46 compare out exp2 || fail=1
48 in_str=0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-+=%
49 for i in 0 1 2 3 4 5 6 7 8 9 a; do in_str="$in_str$in_str" ;done
51 # Start with some small sizes. $(seq 64)
52 sizes=$(i=0; while :; do echo $i; test $i = 64; i=$(expr $i + 1) && break; done)
54 # gzip's internal buffer size is 32KiB + 64 bytes:
55 sizes="$sizes 32831 32832 32833"
58 sizes="$sizes 131071 131072 131073"
60 # Ensure that "gzip -cdf" acts like cat, for a range of small input files.
64 printf %$i.${i}s $in_str > in
66 compare in out || fail=1