103 lines
3 KiB
Bash
Executable file
103 lines
3 KiB
Bash
Executable file
#! /bin/sh
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# check script for Lzd - Educational decompressor for the lzip format
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# Copyright (C) 2013-2021 Antonio Diaz Diaz.
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#
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# This script is free software: you have unlimited permission
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# to copy, distribute, and modify it.
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LC_ALL=C
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export LC_ALL
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objdir=`pwd`
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testdir=`cd "$1" ; pwd`
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LZIP="${objdir}"/lzd
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framework_failure() { echo "failure in testing framework" ; exit 1 ; }
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if [ ! -f "${LZIP}" ] || [ ! -x "${LZIP}" ] ; then
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echo "${LZIP}: cannot execute"
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exit 1
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fi
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[ -e "${LZIP}" ] 2> /dev/null ||
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{
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echo "$0: a POSIX shell is required to run the tests"
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echo "Try bash -c \"$0 $1 $2\""
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exit 1
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}
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if [ -d tmp ] ; then rm -rf tmp ; fi
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mkdir tmp
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cd "${objdir}"/tmp || framework_failure
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in="${testdir}"/test.txt
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in_lz="${testdir}"/test.txt.lz
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in_em="${testdir}"/test_em.txt.lz
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fox_lz="${testdir}"/fox.lz
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fail=0
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test_failed() { fail=1 ; printf " $1" ; [ -z "$2" ] || printf "($2)" ; }
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printf "testing lzd-%s..." "$2"
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"${LZIP}" < "${in}" 2> /dev/null
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[ $? = 2 ] || test_failed $LINENO
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for i in "${in_lz}" "${in_em}" ; do
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"${LZIP}" < "$i" > copy || test_failed $LINENO "$i"
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cmp "${in}" copy || test_failed $LINENO "$i"
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done
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cat "${in}" "${in}" > in2 || framework_failure
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cat "${in_lz}" "${in_lz}" > in2.lz || framework_failure
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"${LZIP}" < in2.lz > copy2 || test_failed $LINENO
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cmp in2 copy2 || test_failed $LINENO
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cat in2.lz > copy2.lz || framework_failure
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printf "\ngarbage" >> copy2.lz || framework_failure
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"${LZIP}" -d < copy2.lz > copy2 || test_failed $LINENO
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cmp in2 copy2 || test_failed $LINENO
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rm -f in2 copy2 copy2.lz || framework_failure
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printf "\ntesting bad input..."
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for i in fox_bm.lz fox_v2.lz fox_s11.lz fox_de20.lz \
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fox_bcrc.lz fox_crc0.lz fox_das46.lz fox_mes81.lz ; do
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"${LZIP}" < "${testdir}"/$i > /dev/null 2>&1
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[ $? = 2 ] || test_failed $LINENO $i
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done
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"${LZIP}" < "${fox_lz}" > fox || test_failed $LINENO
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for i in fox_bcrc.lz fox_crc0.lz fox_das46.lz fox_mes81.lz ; do
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"${LZIP}" < "${testdir}"/$i > out 2> /dev/null
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[ $? = 2 ] || test_failed $LINENO $i
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cmp fox out || test_failed $LINENO $i
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done
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rm -f fox out || framework_failure
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cat "${in_lz}" "${in_lz}" "${in_lz}" > in3.lz || framework_failure
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if dd if=in3.lz of=trunc.lz bs=14752 count=1 2> /dev/null &&
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[ -e trunc.lz ] && cmp in2.lz trunc.lz > /dev/null 2>&1 ; then
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# can't detect truncated header of non-first member
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for i in 6 20 14734 14758 ; do
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dd if=in3.lz of=trunc.lz bs=$i count=1 2> /dev/null
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"${LZIP}" < trunc.lz > out 2> /dev/null
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[ $? = 2 ] || test_failed $LINENO $i
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done
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else
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printf "\nwarning: skipping truncation test: 'dd' does not work on your system."
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fi
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rm -f in2.lz in3.lz trunc.lz out || framework_failure
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cat "${in_lz}" > ingin.lz || framework_failure
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printf "g" >> ingin.lz || framework_failure
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cat "${in_lz}" >> ingin.lz || framework_failure
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"${LZIP}" < ingin.lz > copy || test_failed $LINENO
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cmp "${in}" copy || test_failed $LINENO
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rm -f copy ingin.lz || framework_failure
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echo
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if [ ${fail} = 0 ] ; then
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echo "tests completed successfully."
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cd "${objdir}" && rm -r tmp
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else
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echo "tests failed."
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fi
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exit ${fail}
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