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Diffstat (limited to '')
-rw-r--r-- | src/zstd/tests/gzip/mixed.sh | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/zstd/tests/gzip/mixed.sh b/src/zstd/tests/gzip/mixed.sh new file mode 100644 index 000000000..383a54f5e --- /dev/null +++ b/src/zstd/tests/gzip/mixed.sh @@ -0,0 +1,68 @@ +#!/bin/sh +# Ensure that gzip -cdf handles mixed compressed/not-compressed data +# Before gzip-1.5, it would produce invalid output. + +# Copyright (C) 2010-2016 Free Software Foundation, Inc. + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# limit so don't run it by default. + +. "${srcdir=.}/init.sh"; path_prepend_ . + +printf 'xxx\nyyy\n' > exp2 || framework_failure_ +printf 'aaa\nbbb\nccc\n' > exp3 || framework_failure_ + +fail=0 + +(echo xxx; echo yyy) > in || fail=1 +gzip -cdf < in > out || fail=1 +compare exp2 out || fail=1 + +# Uncompressed input, followed by compressed data. +# Currently fails, so skip it. +# (echo xxx; echo yyy|gzip) > in || fail=1 +# gzip -cdf < in > out || fail=1 +# compare exp2 out || fail=1 + +# Compressed input, followed by regular (not-compressed) data. +(echo xxx|gzip; echo yyy) > in || fail=1 +gzip -cdf < in > out || fail=1 +compare exp2 out || fail=1 + +(echo xxx|gzip; echo yyy|gzip) > in || fail=1 +gzip -cdf < in > out || fail=1 +compare exp2 out || fail=1 + +in_str=0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-+=% +for i in 0 1 2 3 4 5 6 7 8 9 a; do in_str="$in_str$in_str" ;done + +# Start with some small sizes. $(seq 64) +sizes=$(i=0; while :; do echo $i; test $i = 64 && break; i=$(expr $i + 1); done) + +# gzip's internal buffer size is 32KiB + 64 bytes: +sizes="$sizes 32831 32832 32833" + +# 128KiB, +/- 1 +sizes="$sizes 131071 131072 131073" + +# Ensure that "gzip -cdf" acts like cat, for a range of small input files. +i=0 +for i in $sizes; do + echo $i + printf %$i.${i}s $in_str > in + gzip -cdf < in > out + compare in out || fail=1 +done + +Exit $fail |