#! /bin/sh
# check script for Lziprecover - Data recovery tool for lzipped files
# Copyright (C) 2009, 2010, 2011 Antonio Diaz Diaz.
#
# This script is free software: you have unlimited permission
# to copy, distribute and modify it.

LC_ALL=C
export LC_ALL
objdir=`pwd`
testdir=`cd "$1" ; pwd`
LZIPRECOVER="${objdir}"/lziprecover
framework_failure() { echo "failure in testing framework" ; exit 1 ; }

if [ ! -x "${LZIPRECOVER}" ] ; then
	echo "${LZIPRECOVER}: cannot execute"
	exit 1
fi

if [ -d tmp ] ; then rm -rf tmp ; fi
mkdir tmp
cd "${objdir}"/tmp

ln "${testdir}"/test.txt in || framework_failure
ln "${testdir}"/test_v1.lz in.lz || framework_failure
cat in.lz in.lz in.lz > in3.lz || framework_failure
for i in 1 2 3 4 5 ; do
	ln "${testdir}"/test_bad${i}.lz bad${i}.lz
done
fail=0

# Description of test files for lziprecover:
# test_bad1.lz: byte at offset 67 changed from 0xCC to 0x33
# test_bad2.lz: [  34-  66) --> copy of bytes [  68- 100)
# test_bad3.lz: [ 512-1536) --> zeroed;       [2560-3584) --> zeroed
# test_bad4.lz: [3072-4096) --> random data;  [4608-5632) --> zeroed
# test_bad5.lz: [1024-2048) --> random data;  [5120-6144) --> random data

printf "testing lziprecover-%s..." "$2"

"${LZIPRECOVER}" -m -o copy.lz bad1.lz bad2.lz bad1.lz -q
if [ $? != 1 ] ; then fail=1 ; printf - ; else printf . ; fi
"${LZIPRECOVER}" -m -o copy.lz bad1.lz bad2.lz || fail=1
"${LZIPRECOVER}" -df copy.lz || fail=1
cmp in copy || fail=1
printf .
"${LZIPRECOVER}" -m -o copy.lz bad2.lz bad1.lz || fail=1
"${LZIPRECOVER}" -df copy.lz || fail=1
cmp in copy || fail=1
printf .

for i in 1 2 ; do
	for j in 3 4 5 ; do
		"${LZIPRECOVER}" -m -o copy.lz bad${i}.lz bad${j}.lz || fail=1
		"${LZIPRECOVER}" -df copy.lz || fail=1
		cmp in copy || fail=1
		printf .
		"${LZIPRECOVER}" -m -o copy.lz bad${j}.lz bad${i}.lz || fail=1
		"${LZIPRECOVER}" -df copy.lz || fail=1
		cmp in copy || fail=1
		printf .
	done
done

"${LZIPRECOVER}" -m -o copy.lz bad3.lz bad4.lz bad5.lz || fail=1
"${LZIPRECOVER}" -df copy.lz || fail=1
cmp in copy || fail=1
printf .
"${LZIPRECOVER}" -m -o copy.lz bad4.lz bad5.lz bad3.lz || fail=1
"${LZIPRECOVER}" -df copy.lz || fail=1
cmp in copy || fail=1
printf .
"${LZIPRECOVER}" -m -o copy.lz bad5.lz bad3.lz bad4.lz || fail=1
"${LZIPRECOVER}" -df copy.lz || fail=1
cmp in copy || fail=1
printf .

"${LZIPRECOVER}" -R in.lz || fail=1
printf .
"${LZIPRECOVER}" -R -o copy.lz bad2.lz -q
if [ $? != 2 ] ; then fail=1 ; printf - ; else printf . ; fi
"${LZIPRECOVER}" -R -o copy.lz bad1.lz || fail=1
"${LZIPRECOVER}" -df copy.lz || fail=1
cmp in copy || fail=1
printf .

cat in3.lz > out || framework_failure
printf "garbage" >> out || fail=1
"${LZIPRECOVER}" -s out -o out.lz || fail=1
for i in 1 2 3 ; do
	"${LZIPRECOVER}" -cd rec0000${i}out.lz > copy || fail=1
	cmp in copy || fail=1
	printf .
done

echo
if [ ${fail} = 0 ] ; then
	echo "tests completed successfully."
	cd "${objdir}" && rm -r tmp
else
	echo "tests failed."
fi
exit ${fail}