1 /*- 2 * Copyright (c) 2007-2009 Tim Kientzle 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 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 AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include "test.h" 28 __FBSDID("$FreeBSD: head/lib/libarchive/test/test_write_compress_lzma.c 191183 2009-04-17 01:06:31Z kientzle $"); 29 30 /* 31 * A basic exercise of lzma reading and writing. 32 * 33 */ 34 35 DEFINE_TEST(test_write_filter_lzma) 36 { 37 struct archive_entry *ae; 38 struct archive* a; 39 char *buff, *data; 40 size_t buffsize, datasize; 41 char path[16]; 42 size_t used1, used2; 43 int i, r; 44 45 buffsize = 2000000; 46 assert(NULL != (buff = (char *)malloc(buffsize))); 47 if (buff == NULL) 48 return; 49 50 datasize = 10000; 51 assert(NULL != (data = (char *)malloc(datasize))); 52 if (data == NULL) { 53 free(buff); 54 return; 55 } 56 memset(data, 0, datasize); 57 58 /* 59 * Write a 100 files and read them all back. 60 */ 61 assert((a = archive_write_new()) != NULL); 62 assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a)); 63 r = archive_write_add_filter_lzma(a); 64 if (r == ARCHIVE_FATAL) { 65 skipping("lzma writing not supported on this platform"); 66 assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 67 free(buff); 68 free(data); 69 return; 70 } 71 assertEqualIntA(a, ARCHIVE_OK, 72 archive_write_set_bytes_per_block(a, 10)); 73 assertEqualInt(ARCHIVE_FILTER_LZMA, archive_filter_code(a, 0)); 74 assertEqualString("lzma", archive_filter_name(a, 0)); 75 assertEqualIntA(a, ARCHIVE_OK, 76 archive_write_open_memory(a, buff, buffsize, &used1)); 77 assertEqualInt(ARCHIVE_FILTER_LZMA, archive_filter_code(a, 0)); 78 assertEqualString("lzma", archive_filter_name(a, 0)); 79 assert((ae = archive_entry_new()) != NULL); 80 archive_entry_set_filetype(ae, AE_IFREG); 81 archive_entry_set_size(ae, datasize); 82 for (i = 0; i < 100; i++) { 83 sprintf(path, "file%03d", i); 84 archive_entry_copy_pathname(ae, path); 85 assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae)); 86 assertA(datasize 87 == (size_t)archive_write_data(a, data, datasize)); 88 } 89 archive_entry_free(ae); 90 assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); 91 assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 92 93 assert((a = archive_read_new()) != NULL); 94 assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a)); 95 r = archive_read_support_filter_lzma(a); 96 if (r == ARCHIVE_WARN) { 97 skipping("Can't verify lzma writing by reading back;" 98 " lzma reading not fully supported on this platform"); 99 } else { 100 assertEqualIntA(a, ARCHIVE_OK, 101 archive_read_support_filter_all(a)); 102 assertEqualIntA(a, ARCHIVE_OK, 103 archive_read_open_memory(a, buff, used1)); 104 for (i = 0; i < 100; i++) { 105 sprintf(path, "file%03d", i); 106 if (!assertEqualInt(ARCHIVE_OK, 107 archive_read_next_header(a, &ae))) 108 break; 109 assertEqualString(path, archive_entry_pathname(ae)); 110 assertEqualInt((int)datasize, archive_entry_size(ae)); 111 } 112 assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a)); 113 } 114 assertEqualInt(ARCHIVE_OK, archive_read_free(a)); 115 116 /* 117 * Repeat the cycle again, this time setting some compression 118 * options. 119 */ 120 assert((a = archive_write_new()) != NULL); 121 assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a)); 122 assertEqualIntA(a, ARCHIVE_OK, 123 archive_write_set_bytes_per_block(a, 10)); 124 assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_lzma(a)); 125 assertEqualIntA(a, ARCHIVE_FAILED, 126 archive_write_set_filter_option(a, NULL, "nonexistent-option", "0")); 127 assertEqualIntA(a, ARCHIVE_FAILED, 128 archive_write_set_filter_option(a, NULL, "compression-level", "abc")); 129 assertEqualIntA(a, ARCHIVE_FAILED, 130 archive_write_set_filter_option(a, NULL, "compression-level", "99")); 131 assertEqualIntA(a, ARCHIVE_OK, 132 archive_write_set_filter_option(a, NULL, "compression-level", "9")); 133 assertEqualIntA(a, ARCHIVE_OK, archive_write_open_memory(a, buff, buffsize, &used2)); 134 for (i = 0; i < 100; i++) { 135 sprintf(path, "file%03d", i); 136 assert((ae = archive_entry_new()) != NULL); 137 archive_entry_copy_pathname(ae, path); 138 archive_entry_set_size(ae, datasize); 139 archive_entry_set_filetype(ae, AE_IFREG); 140 assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae)); 141 assertA(datasize == (size_t)archive_write_data(a, data, datasize)); 142 archive_entry_free(ae); 143 } 144 assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); 145 assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 146 147 148 assert((a = archive_read_new()) != NULL); 149 assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a)); 150 r = archive_read_support_filter_lzma(a); 151 if (r == ARCHIVE_WARN) { 152 skipping("lzma reading not fully supported on this platform"); 153 } else { 154 assertEqualIntA(a, ARCHIVE_OK, 155 archive_read_support_filter_all(a)); 156 assertEqualIntA(a, ARCHIVE_OK, 157 archive_read_open_memory(a, buff, used2)); 158 for (i = 0; i < 100; i++) { 159 sprintf(path, "file%03d", i); 160 failure("Trying to read %s", path); 161 if (!assertEqualIntA(a, ARCHIVE_OK, 162 archive_read_next_header(a, &ae))) 163 break; 164 assertEqualString(path, archive_entry_pathname(ae)); 165 assertEqualInt((int)datasize, archive_entry_size(ae)); 166 } 167 assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a)); 168 } 169 assertEqualInt(ARCHIVE_OK, archive_read_free(a)); 170 171 /* 172 * Repeat again, with much lower compression. 173 */ 174 assert((a = archive_write_new()) != NULL); 175 assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a)); 176 assertEqualIntA(a, ARCHIVE_OK, 177 archive_write_set_bytes_per_block(a, 10)); 178 assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_lzma(a)); 179 assertEqualIntA(a, ARCHIVE_OK, 180 archive_write_set_filter_option(a, NULL, "compression-level", "0")); 181 assertEqualIntA(a, ARCHIVE_OK, archive_write_open_memory(a, buff, buffsize, &used2)); 182 for (i = 0; i < 100; i++) { 183 sprintf(path, "file%03d", i); 184 assert((ae = archive_entry_new()) != NULL); 185 archive_entry_copy_pathname(ae, path); 186 archive_entry_set_size(ae, datasize); 187 archive_entry_set_filetype(ae, AE_IFREG); 188 assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae)); 189 failure("Writing file %s", path); 190 assertEqualIntA(a, datasize, 191 (size_t)archive_write_data(a, data, datasize)); 192 archive_entry_free(ae); 193 } 194 assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); 195 assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 196 197 /* It would be nice to assert that compression-level=0 produced 198 * consistently larger/smaller results than the default compression, 199 * but the results here vary a lot depending on the version of liblzma 200 * being used. */ 201 /* 202 failure("Compression-level=0 wrote %d bytes; default wrote %d bytes", 203 (int)used2, (int)used1); 204 assert(used2 > used1); 205 */ 206 207 assert((a = archive_read_new()) != NULL); 208 assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a)); 209 assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a)); 210 r = archive_read_support_filter_lzma(a); 211 if (r == ARCHIVE_WARN) { 212 skipping("lzma reading not fully supported on this platform"); 213 } else { 214 assertEqualIntA(a, ARCHIVE_OK, 215 archive_read_open_memory(a, buff, used2)); 216 for (i = 0; i < 100; i++) { 217 sprintf(path, "file%03d", i); 218 if (!assertEqualInt(ARCHIVE_OK, 219 archive_read_next_header(a, &ae))) 220 break; 221 assertEqualString(path, archive_entry_pathname(ae)); 222 assertEqualInt((int)datasize, archive_entry_size(ae)); 223 } 224 assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a)); 225 } 226 assertEqualInt(ARCHIVE_OK, archive_read_free(a)); 227 228 /* 229 * Test various premature shutdown scenarios to make sure we 230 * don't crash or leak memory. 231 */ 232 assert((a = archive_write_new()) != NULL); 233 assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_lzma(a)); 234 assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 235 236 assert((a = archive_write_new()) != NULL); 237 assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_lzma(a)); 238 assertEqualInt(ARCHIVE_OK, archive_write_close(a)); 239 assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 240 241 assert((a = archive_write_new()) != NULL); 242 assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a)); 243 assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_lzma(a)); 244 assertEqualInt(ARCHIVE_OK, archive_write_close(a)); 245 assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 246 247 assert((a = archive_write_new()) != NULL); 248 assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a)); 249 assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_lzma(a)); 250 assertEqualIntA(a, ARCHIVE_OK, archive_write_open_memory(a, buff, buffsize, &used2)); 251 assertEqualInt(ARCHIVE_OK, archive_write_close(a)); 252 assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 253 254 /* 255 * Clean up. 256 */ 257 free(data); 258 free(buff); 259 } 260