#!/bin/sh

FAILCOUNT=0

ext=bz2

bb="busybox "

unset LC_ALL
unset LC_MESSAGES
unset LANG
unset LANGUAGE

hello_gz() {
    # Gzipped "HELLO\n"
    #_________________________ vvv vvv vvv vvv - mtime
    $ECHO -ne "\x1f\x8b\x08\x00\x85\x1d\xef\x45\x02\x03\xf3\x70\xf5\xf1\xf1\xe7"
    $ECHO -ne "\x02\x00\x6e\xd7\xac\xfd\x06\x00\x00\x00"
}

hello_bz2() {
    # Bzipped "HELLO\n"
    $ECHO -ne "\x42\x5a\x68\x39\x31\x41\x59\x26\x53\x59\x5b\xb8\xe8\xa3\x00\x00"
    $ECHO -ne "\x01\x44\x00\x00\x10\x02\x44\xa0\x00\x30\xcd\x00\xc3\x46\x29\x97"
    $ECHO -ne "\x17\x72\x45\x38\x50\x90\x5b\xb8\xe8\xa3"
}

prep() {
    rm -f t*
    hello_$ext >t1.$ext
    hello_$ext >t2.$ext
}

check() {
    eval $2 >t_actual 2>&1
    if $ECHO -ne "$expected" | cmp - t_actual; then
	echo "PASS: $1"
    else
	echo "FAIL: $1"
	FAILCOUNT=$((FAILCOUNT + 1))
    fi
}

mkdir testdir 2>/dev/null
(
cd testdir || { echo "cannot cd testdir!"; exit 1; }

expected="HELLO\nok\n"
prep; check "bzcat: dont delete src" "${bb}bzcat t2.bz2; test -f t2.bz2 && echo ok"

)
rm -rf testdir


# Copyright 2011 by Denys Vlasenko
# Licensed under GPLv2, see file LICENSE in this source tree.

. ./testing.sh

# testing "test name" "command" "expected result" "file input" "stdin"

# "input" file is bzipped file with "a\n" data
testing "bzcat can print many files" \
"$ECHO -ne '$hexdump' | bzcat input input; echo \$?" \
"\
a
a
0
" "\
\x42\x5a\x68\x39\x31\x41\x59\x26\x53\x59\x63\x3e\xd6\xe2\x00\x00\
\x00\xc1\x00\x00\x10\x20\x00\x20\x00\x21\x00\x82\xb1\x77\x24\x53\
\x85\x09\x06\x33\xed\x6e\x20\
" ""

# "input" file is bzipped zero byte file
testing "bzcat can handle compressed zero-length bzip2 files" \
"$ECHO -ne '$hexdump' | bzcat input input; echo \$?" \
"0\n" \
"\x42\x5a\x68\x39\x17\x72\x45\x38\x50\x90\x00\x00\x00\x00" ""


exit $((FAILCOUNT <= 255 ? FAILCOUNT : 255))