# $NetBSD: t_pr_19722.sh,v 1.4 2022/05/22 21:39:44 rillig Exp $
#
# Copyright (c) 2022 The NetBSD Foundation, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
atf_test_case 'compress_small_file'
compress_small_file_body()
{
# If the compressed version of a file would be larger than the
# original file, the original file is kept.
atf_test_case 'compress_small_file_force'
compress_small_file_force_body()
{
# The option '-f' forces compression to happen, even if the resulting
# file becomes larger than the original.
echo 'hello' > file
atf_check compress -f file
atf_check test ! -f file
atf_check \
-o 'inline:0000000 1f 9d 90 68 ca b0 61 f3 46 01 \n000000a\n' \
od -Ax -tx1 file.Z
}
atf_test_case 'roundtrip'
roundtrip_body()
{
# Compressing and decompressing a file must preserve every byte.
atf_test_case 'uncompress_basename'
uncompress_basename_body()
{
# To uncompress a file, it suffices to specify the basename of the
# file, the filename extension '.Z' is optional.
atf_test_case 'uncompress_no_source_no_target'
uncompress_no_source_no_target_body()
{
# PR 19722: uncompressing a missing source creates empty target
#
# Before compress.c 1.28 from 2022-05-22, uncompress created an empty
# target file and didn't clean it up.
atf_check \
-s 'not-exit:0' \
-e 'inline:uncompress: file.Z: No such file or directory\n' \
uncompress -f file
atf_check test ! -f file
atf_check test ! -f file.Z
}
atf_test_case 'uncompress_no_source_existing_target'
uncompress_no_source_existing_target_body()
{
# PR 19722: uncompressing a missing source truncates target
#
# Before compress.c 1.28 from 2022-05-22, uncompress truncated the
# target.
atf_check sh -c "echo 'hello' > file"
atf_check \
-s 'not-exit:0' \
-e 'inline:uncompress: file.Z: No such file or directory\n' \
uncompress -f file
atf_test_case 'uncompress_broken_source_no_target'
uncompress_broken_source_no_target_body()
{
# When trying to uncompress a broken source, the target is created
# temporarily but deleted again, as part of the cleanup.
echo 'broken' > file.Z
atf_check \
-s 'not-exit:0' \
-e 'inline:uncompress: file.Z: Inappropriate file type or format\n' \
uncompress -f file
atf_check test ! -f file
atf_check test -f file.Z
}
atf_test_case 'uncompress_broken_source_existing_target'
uncompress_broken_source_existing_target_body()
{
# PR 19722: uncompressing a broken source removes existing target
#
# Before compress.c 1.29 from 2022-05-22, uncompress removed an
# existing target before checking that the source has the correct
# format.
echo 'broken' > file.Z
echo 'before' > file
atf_check \
-s 'not-exit:0' \
-e 'inline:uncompress: file.Z: Inappropriate file type or format\n' \
uncompress -f file.Z
