648db22b |
1 | #!/bin/sh |
2 | # Ensure that gzip -cdf handles mixed compressed/not-compressed data |
3 | # Before gzip-1.5, it would produce invalid output. |
4 | |
5 | # Copyright (C) 2010-2016 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 <https://www.gnu.org/licenses/>. |
19 | # limit so don't run it by default. |
20 | |
21 | . "${srcdir=.}/init.sh"; path_prepend_ . |
22 | |
23 | printf 'xxx\nyyy\n' > exp2 || framework_failure_ |
24 | printf 'aaa\nbbb\nccc\n' > exp3 || framework_failure_ |
25 | |
26 | fail=0 |
27 | |
28 | (echo xxx; echo yyy) > in || fail=1 |
29 | gzip -cdf < in > out || fail=1 |
30 | compare exp2 out || fail=1 |
31 | |
32 | # Uncompressed input, followed by compressed data. |
33 | # Currently fails, so skip it. |
34 | # (echo xxx; echo yyy|gzip) > in || fail=1 |
35 | # gzip -cdf < in > out || fail=1 |
36 | # compare exp2 out || fail=1 |
37 | |
38 | # Compressed input, followed by regular (not-compressed) data. |
39 | (echo xxx|gzip; echo yyy) > in || fail=1 |
40 | gzip -cdf < in > out || fail=1 |
41 | compare exp2 out || fail=1 |
42 | |
43 | (echo xxx|gzip; echo yyy|gzip) > in || fail=1 |
44 | gzip -cdf < in > out || fail=1 |
45 | compare exp2 out || fail=1 |
46 | |
47 | in_str=0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-+=% |
48 | for i in 0 1 2 3 4 5 6 7 8 9 a; do in_str="$in_str$in_str" ;done |
49 | |
50 | # Start with some small sizes. $(seq 64) |
51 | sizes=$(i=0; while :; do echo $i; test $i = 64 && break; i=$(expr $i + 1); done) |
52 | |
53 | # gzip's internal buffer size is 32KiB + 64 bytes: |
54 | sizes="$sizes 32831 32832 32833" |
55 | |
56 | # 128KiB, +/- 1 |
57 | sizes="$sizes 131071 131072 131073" |
58 | |
59 | # Ensure that "gzip -cdf" acts like cat, for a range of small input files. |
60 | i=0 |
61 | for i in $sizes; do |
62 | echo $i |
63 | printf %$i.${i}s $in_str > in |
64 | gzip -cdf < in > out |
65 | compare in out || fail=1 |
66 | done |
67 | |
68 | Exit $fail |