t_pr_19722.sh revision 1.3
1 # $NetBSD: t_pr_19722.sh,v 1.3 2022/05/22 21:16:50 rillig Exp $ 2 # 3 # Copyright (c) 2022 The NetBSD Foundation, Inc. 4 # All rights reserved. 5 # 6 # Redistribution and use in source and binary forms, with or without 7 # modification, are permitted provided that the following conditions 8 # are met: 9 # 1. Redistributions of source code must retain the above copyright 10 # notice, this list of conditions and the following disclaimer. 11 # 2. Redistributions in binary form must reproduce the above copyright 12 # notice, this list of conditions and the following disclaimer in the 13 # documentation and/or other materials provided with the distribution. 14 # 15 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 16 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 19 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 # POSSIBILITY OF SUCH DAMAGE. 26 # 27 28 atf_test_case 'compress_small_file' 29 compress_small_file_body() 30 { 31 # If the compressed version of a file would be larger than the 32 # original file, the original file is kept. 33 34 echo 'hello' > file 35 36 atf_check compress file 37 38 atf_check -o 'inline:hello\n' cat file 39 atf_check test ! -f file.Z 40 } 41 42 43 atf_test_case 'compress_small_file_force' 44 compress_small_file_force_body() 45 { 46 # The option '-f' forces compression to happen, even if the resulting 47 # file becomes larger than the original. 48 49 echo 'hello' > file 50 51 atf_check compress -f file 52 53 atf_check test ! -f file 54 atf_check \ 55 -o 'inline:0000000 1f 9d 90 68 ca b0 61 f3 46 01 \n000000a\n' \ 56 od -Ax -tx1 file.Z 57 } 58 59 60 atf_test_case 'roundtrip' 61 roundtrip_body() 62 { 63 # Compressing and decompressing a file must preserve every byte. 64 65 atf_check -e 'ignore' dd if=/dev/urandom of=file bs=4k count=10 66 atf_check cp file original 67 68 atf_check compress -f file 69 atf_check uncompress file.Z 70 71 atf_check cmp file original 72 } 73 74 75 atf_test_case 'uncompress_basename' 76 uncompress_basename_body() 77 { 78 # To uncompress a file, it suffices to specify the basename of the 79 # file, the filename extension '.Z' is optional. 80 81 atf_check sh -c "echo 'hello' > file" 82 atf_check compress -f file 83 84 atf_check uncompress file 85 86 atf_check -o 'inline:hello\n' cat file 87 atf_check test ! -f file.Z 88 } 89 90 91 atf_test_case 'uncompress_no_source_no_target' 92 uncompress_no_source_no_target_body() 93 { 94 # PR 19722: uncompressing a missing source creates empty target 95 # 96 # Before compress.c 1.28 from 2022-05-22, uncompress created an empty 97 # target file and didn't clean it up. 98 99 atf_check \ 100 -s 'not-exit:0' \ 101 -e 'inline:uncompress: file.Z: No such file or directory\n' \ 102 uncompress -f file 103 104 atf_check test ! -f file 105 atf_check test ! -f file.Z 106 } 107 108 109 atf_test_case 'uncompress_no_source_existing_target' 110 uncompress_no_source_existing_target_body() 111 { 112 # PR 19722: uncompressing a missing source truncates target 113 # 114 # Before compress.c 1.28 from 2022-05-22, uncompress truncated the 115 # target. 116 117 atf_check sh -c "echo 'hello' > file" 118 119 atf_check \ 120 -s 'not-exit:0' \ 121 -e 'inline:uncompress: file.Z: No such file or directory\n' \ 122 uncompress -f file 123 124 atf_check -o 'inline:hello\n' cat file 125 atf_check test ! -f file.Z 126 } 127 128 129 atf_test_case 'uncompress_broken_source_no_target' 130 uncompress_broken_source_no_target_body() 131 { 132 # When trying to uncompress a broken source, the target is created 133 # temporarily but deleted again, as part of the cleanup. 134 135 echo 'broken' > file.Z 136 137 atf_check \ 138 -s 'not-exit:0' \ 139 -e 'inline:uncompress: file.Z: Inappropriate file type or format\n' \ 140 uncompress -f file 141 142 atf_check test ! -f file 143 atf_check test -f file.Z 144 } 145 146 147 atf_test_case 'uncompress_broken_source_existing_target' 148 uncompress_broken_source_existing_target_body() 149 { 150 # PR 19722: uncompressing a broken source removes existing target 151 152 echo 'broken' > file.Z 153 echo 'before' > file 154 155 atf_check \ 156 -s 'not-exit:0' \ 157 -e 'inline:uncompress: file.Z: Inappropriate file type or format\n' \ 158 uncompress -f file.Z 159 160 atf_check -o 'inline:broken\n' cat file.Z 161 # FIXME: Must not be modified. 162 atf_check test ! -f file 163 } 164 165 166 atf_init_test_cases() 167 { 168 169 atf_add_test_case compress_small_file 170 atf_add_test_case compress_small_file_force 171 atf_add_test_case roundtrip 172 atf_add_test_case uncompress_basename 173 atf_add_test_case uncompress_no_source_no_target 174 atf_add_test_case uncompress_no_source_existing_target 175 atf_add_test_case uncompress_broken_source_no_target 176 atf_add_test_case uncompress_broken_source_existing_target 177 } 178
Indexes created Sun Oct 12 05:10:08 GMT 2025