xz-analysis-mirror/tests/test_compress.sh

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#!/bin/sh
###############################################################################
#
# Copyright (C) 2008 Lasse Collin
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
###############################################################################
# Find out if our shell supports functions.
eval 'unset foo ; foo() { return 42; } ; foo'
if test $? != 42 ; then
echo "/bin/sh doesn't support functions, skipping this test."
(exit 77)
exit 77
fi
test_lzma() {
if $LZMA -c "$@" "$FILE" > tmp_compressed; then
:
else
echo "Compressing failed: $* $FILE"
(exit 1)
exit 1
fi
if $LZMA -cd tmp_compressed > tmp_uncompressed ; then
:
else
echo "Decoding failed: $* $FILE"
(exit 1)
exit 1
fi
if cmp tmp_uncompressed "$FILE" ; then
:
else
echo "Decoded file does not match the original: $* $FILE"
(exit 1)
exit 1
fi
if $LZMADEC tmp_compressed > tmp_uncompressed ; then
:
else
echo "Decoding failed: $* $FILE"
(exit 1)
exit 1
fi
if cmp tmp_uncompressed "$FILE" ; then
:
else
echo "Decoded file does not match the original: $* $FILE"
(exit 1)
exit 1
fi
# Show progress:
echo . | tr -d '\n\r'
}
LZMA="../src/lzma/lzma --memory=15Mi --threads=1"
LZMADEC="../src/lzmadec/lzmadec --memory=4Mi"
unset LZMA_OPT
# Create the required input files.
if ./create_compress_files ; then
:
else
rm -f compress_*
echo "Failed to create files to test compression."
(exit 1)
exit 1
fi
# Remove temporary now (in case they are something weird), and on exit.
rm -f tmp_compressed tmp_uncompressed
trap 'rm -f tmp_compressed tmp_uncompressed' 0
# Encode and decode each file with various filter configurations.
# This takes quite a bit of time.
echo "test_compress.sh:"
for FILE in compress_generated_* "$srcdir"/compress_prepared_*
do
MSG=`echo "x$FILE" | sed 's,^x,,; s,^.*/,,; s,^compress_,,'`
echo " $MSG" | tr -d '\n\r'
# Don't test with empty arguments; it breaks some ancient
# proprietary /bin/sh versions due to $@ used in test_lzma().
test_lzma -1
test_lzma -2
test_lzma -3
test_lzma -4
for ARGS in \
--subblock \
--subblock=size=1 \
--subblock=size=1,rle=1 \
--subblock=size=1,rle=4 \
--subblock=size=4,rle=4 \
--subblock=size=8,rle=4 \
--subblock=size=8,rle=8 \
--subblock=size=4096,rle=12 \
--delta=distance=1 \
--delta=distance=4 \
--delta=distance=256 \
--x86 \
--powerpc \
--ia64 \
--arm \
--armthumb \
--sparc
do
test_lzma $ARGS --lzma2=dict=64KiB,nice=32,mode=fast
test_lzma --subblock $ARGS --lzma2=dict=64KiB,nice=32,mode=fast
done
echo
done
(exit 0)
exit 0