1 /*- 2 * Copyright (c) 2007 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_bzip2.c 191183 2009-04-17 01:06:31Z kientzle $"); 29 30 /* 31 * A basic exercise of bzip2 reading and writing. 32 * 33 * TODO: Add a reference file and make sure we can decompress that. 34 */ 35 36 DEFINE_TEST(test_write_filter_bzip2) 37 { 38 struct archive_entry *ae; 39 struct archive* a; 40 char *buff, *data; 41 size_t buffsize, datasize; 42 char path[16]; 43 size_t used1, used2; 44 int i, r, use_prog; 45 46 buffsize = 2000000; 47 assert(NULL != (buff = (char *)malloc(buffsize))); 48 if (buff == NULL) 49 return; 50 51 datasize = 10000; 52 assert(NULL != (data = (char *)malloc(datasize))); 53 if (data == NULL) { 54 free(buff); 55 return; 56 } 57 memset(data, 0, datasize); 58 59 /* 60 * Write a 100 files and read them all back. 61 */ 62 assert((a = archive_write_new()) != NULL); 63 assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a)); 64 r = archive_write_add_filter_bzip2(a); 65 use_prog = (r == ARCHIVE_WARN && canBzip2()); 66 if (r != ARCHIVE_OK && !use_prog) { 67 skipping("bzip2 writing not supported on this platform"); 68 assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 69 free(buff); 70 free(data); 71 return; 72 } 73 74 assertEqualIntA(a, ARCHIVE_OK, 75 archive_write_set_bytes_per_block(a, 10)); 76 assertEqualInt(ARCHIVE_FILTER_BZIP2, archive_filter_code(a, 0)); 77 assertEqualString("bzip2", archive_filter_name(a, 0)); 78 assertEqualIntA(a, ARCHIVE_OK, 79 archive_write_open_memory(a, buff, buffsize, &used1)); 80 assertEqualInt(ARCHIVE_FILTER_BZIP2, archive_filter_code(a, 0)); 81 assertEqualString("bzip2", archive_filter_name(a, 0)); 82 assert((ae = archive_entry_new()) != NULL); 83 archive_entry_set_filetype(ae, AE_IFREG); 84 archive_entry_set_size(ae, datasize); 85 for (i = 0; i < 999; i++) { 86 sprintf(path, "file%03d", i); 87 archive_entry_copy_pathname(ae, path); 88 assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae)); 89 assertA(datasize 90 == (size_t)archive_write_data(a, data, datasize)); 91 } 92 archive_entry_free(ae); 93 assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); 94 assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 95 96 assert((a = archive_read_new()) != NULL); 97 assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a)); 98 assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a)); 99 assertEqualIntA(a, ARCHIVE_OK, 100 archive_read_open_memory(a, buff, used1)); 101 for (i = 0; i < 999; i++) { 102 sprintf(path, "file%03d", i); 103 if (!assertEqualInt(0, archive_read_next_header(a, &ae))) 104 break; 105 assertEqualString(path, archive_entry_pathname(ae)); 106 assertEqualInt((int)datasize, archive_entry_size(ae)); 107 } 108 assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a)); 109 assertEqualInt(ARCHIVE_OK, archive_read_free(a)); 110 111 /* 112 * Repeat the cycle again, this time setting some compression 113 * options. 114 */ 115 assert((a = archive_write_new()) != NULL); 116 assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a)); 117 assertEqualIntA(a, ARCHIVE_OK, 118 archive_write_set_bytes_per_block(a, 10)); 119 if (use_prog) 120 assertEqualIntA(a, ARCHIVE_WARN, 121 archive_write_add_filter_bzip2(a)); 122 else 123 assertEqualIntA(a, ARCHIVE_OK, 124 archive_write_add_filter_bzip2(a)); 125 assertEqualIntA(a, ARCHIVE_FAILED, archive_write_set_filter_option(a, 126 NULL, "nonexistent-option", "0")); 127 assertEqualIntA(a, ARCHIVE_FAILED, archive_write_set_filter_option(a, 128 NULL, "compression-level", "abc")); 129 assertEqualIntA(a, ARCHIVE_FAILED, archive_write_set_filter_option(a, 130 NULL, "compression-level", "99")); 131 assertEqualIntA(a, ARCHIVE_OK, archive_write_set_filter_option(a, 132 NULL, "compression-level", "9")); 133 assertEqualIntA(a, ARCHIVE_OK, 134 archive_write_open_memory(a, buff, buffsize, &used2)); 135 for (i = 0; i < 999; i++) { 136 sprintf(path, "file%03d", i); 137 assert((ae = archive_entry_new()) != NULL); 138 archive_entry_copy_pathname(ae, path); 139 archive_entry_set_size(ae, datasize); 140 archive_entry_set_filetype(ae, AE_IFREG); 141 assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae)); 142 assertA(datasize == (size_t)archive_write_data(a, data, 143 datasize)); 144 archive_entry_free(ae); 145 } 146 assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); 147 assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 148 149 /* Curiously, this test fails; the test data above compresses 150 * better at default compression than at level 9. */ 151 /* 152 failure("compression-level=9 wrote %d bytes, default wrote %d bytes", 153 (int)used2, (int)used1); 154 assert(used2 < used1); 155 */ 156 157 assert((a = archive_read_new()) != NULL); 158 assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a)); 159 assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a)); 160 assertEqualIntA(a, ARCHIVE_OK, 161 archive_read_open_memory(a, buff, used2)); 162 for (i = 0; i < 999; i++) { 163 sprintf(path, "file%03d", i); 164 if (!assertEqualInt(0, archive_read_next_header(a, &ae))) 165 break; 166 assertEqualString(path, archive_entry_pathname(ae)); 167 assertEqualInt((int)datasize, archive_entry_size(ae)); 168 } 169 assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a)); 170 assertEqualInt(ARCHIVE_OK, archive_read_free(a)); 171 172 /* 173 * Repeat again, with much lower compression. 174 */ 175 assert((a = archive_write_new()) != NULL); 176 assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a)); 177 assertEqualIntA(a, ARCHIVE_OK, 178 archive_write_set_bytes_per_block(a, 10)); 179 if (use_prog) 180 assertEqualIntA(a, ARCHIVE_WARN, 181 archive_write_add_filter_bzip2(a)); 182 else 183 assertEqualIntA(a, ARCHIVE_OK, 184 archive_write_add_filter_bzip2(a)); 185 assertEqualIntA(a, ARCHIVE_OK, archive_write_set_filter_option(a, 186 NULL, "compression-level", "1")); 187 assertEqualIntA(a, ARCHIVE_OK, 188 archive_write_open_memory(a, buff, buffsize, &used2)); 189 for (i = 0; i < 999; i++) { 190 sprintf(path, "file%03d", i); 191 assert((ae = archive_entry_new()) != NULL); 192 archive_entry_copy_pathname(ae, path); 193 archive_entry_set_size(ae, datasize); 194 archive_entry_set_filetype(ae, AE_IFREG); 195 assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae)); 196 failure("Writing file %s", path); 197 assertEqualIntA(a, datasize, 198 (size_t)archive_write_data(a, data, datasize)); 199 archive_entry_free(ae); 200 } 201 assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); 202 assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 203 204 /* Level 0 really does result in larger data. */ 205 failure("Compression-level=0 wrote %d bytes; default wrote %d bytes", 206 (int)used2, (int)used1); 207 assert(used2 > used1); 208 209 assert((a = archive_read_new()) != NULL); 210 assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a)); 211 assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a)); 212 assertEqualIntA(a, ARCHIVE_OK, 213 archive_read_open_memory(a, buff, used2)); 214 for (i = 0; i < 999; i++) { 215 sprintf(path, "file%03d", i); 216 if (!assertEqualInt(0, archive_read_next_header(a, &ae))) 217 break; 218 assertEqualString(path, archive_entry_pathname(ae)); 219 assertEqualInt((int)datasize, archive_entry_size(ae)); 220 } 221 assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a)); 222 assertEqualInt(ARCHIVE_OK, archive_read_free(a)); 223 224 /* 225 * Test various premature shutdown scenarios to make sure we 226 * don't crash or leak memory. 227 */ 228 assert((a = archive_write_new()) != NULL); 229 if (use_prog) 230 assertEqualIntA(a, ARCHIVE_WARN, 231 archive_write_add_filter_bzip2(a)); 232 else 233 assertEqualIntA(a, ARCHIVE_OK, 234 archive_write_add_filter_bzip2(a)); 235 assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 236 237 assert((a = archive_write_new()) != NULL); 238 if (use_prog) 239 assertEqualIntA(a, ARCHIVE_WARN, 240 archive_write_add_filter_bzip2(a)); 241 else 242 assertEqualIntA(a, ARCHIVE_OK, 243 archive_write_add_filter_bzip2(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 if (use_prog) 250 assertEqualIntA(a, ARCHIVE_WARN, 251 archive_write_add_filter_bzip2(a)); 252 else 253 assertEqualIntA(a, ARCHIVE_OK, 254 archive_write_add_filter_bzip2(a)); 255 assertEqualInt(ARCHIVE_OK, archive_write_close(a)); 256 assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 257 258 assert((a = archive_write_new()) != NULL); 259 assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a)); 260 if (use_prog) 261 assertEqualIntA(a, ARCHIVE_WARN, 262 archive_write_add_filter_bzip2(a)); 263 else 264 assertEqualIntA(a, ARCHIVE_OK, 265 archive_write_add_filter_bzip2(a)); 266 assertEqualIntA(a, ARCHIVE_OK, 267 archive_write_open_memory(a, buff, buffsize, &used2)); 268 assertEqualInt(ARCHIVE_OK, archive_write_close(a)); 269 assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 270 271 /* 272 * Clean up. 273 */ 274 free(data); 275 free(buff); 276 } 277