NetBSD/tests/util/t_gzip.sh

# $NetBSD: t_gzip.sh,v 1.3 2010/11/07 17:51:22 jmmv Exp $
#
# Copyright (c) 2008 The NetBSD Foundation, Inc.
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#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
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#    notice, this list of conditions and the following disclaimer.
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#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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atf_test_case concatenated
concatenated_head()
{
	atf_set "descr" "Checks concatenated gzipped data"
}
concatenated_body()
{
	echo -n "aaaa" | gzip > tmp.gz
	echo -n "bbbb" | gzip >> tmp.gz

	atf_check -o inline:"aaaabbbb" gzip -d tmp.gz -c
}

atf_test_case pipe
pipe_head()
{
	atf_set "descr" "Checks input from pipe"
}
pipe_body()
{
	atf_check -x "dd if=/dev/zero count=102400 2>/dev/null \
| gzip -c | dd bs=1 2>/dev/null | gzip -tc"
}

atf_test_case truncated
truncated_head()
{
	atf_set "descr" "Checks that gzip fails on truncated data"
}
truncated_body()
{
	cat >truncated.gz.uue <<EOF
begin-base64 644 truncated.gz
H4sIAAAAAAAAA0tMSk7hAgCspIpYCg==
====
EOF
	uudecode -m truncated.gz.uue

	atf_check -s ne:0 -e ignore gzip -d truncated.gz
}

atf_test_case crcerror
crcerror_head()
{
	atf_set "descr" "Checks that gzip fails on crc error"
}
crcerror_body()
{
	cat >crcerror.gz.uue <<EOF
begin-base64 644 crcerror.gz
H4sIAAAAAAAAA0tMSk7hAgCspFhYBQAAAA==
====
EOF
	uudecode -m crcerror.gz.uue

	atf_check -s ne:0 -e ignore gzip -d crcerror.gz
}

atf_test_case good
good_head()
{
	atf_set "descr" "Checks decompressing correct file"
}
good_body()
{
	cat >good.gz.uue <<EOF
begin-base64 644 good.gz
H4sICC8G8UAAA2FiY2QAS0xKTuECAKykilgFAAAA
====
EOF
	uudecode -m good.gz.uue

	atf_check gzip -d good.gz
}

atf_init_test_cases()
{
	atf_add_test_case concatenated
	atf_add_test_case pipe
	atf_add_test_case truncated
	atf_add_test_case crcerror
	atf_add_test_case good
}