contrib/libarchive/libarchive/test/test_write_compress_lzma.c

   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("$FreeBSD$");
  29
  30 /*
  31  * A basic exercise of lzma reading and writing.
  32  *
  33  */
  34
  35 DEFINE_TEST(test_write_compress_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
  48         datasize = 10000;
  49         assert(NULL != (data = (char *)malloc(datasize)));
  50         memset(data, 0, datasize);
  51
  52         /*
  53          * Write a 100 files and read them all back.
  54          */
  55         assert((a = archive_write_new()) != NULL);
  56         assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
  57         r = archive_write_set_compression_lzma(a);
  58         if (r == ARCHIVE_FATAL) {
  59                 skipping("lzma writing not supported on this platform");
  60                 assertEqualInt(ARCHIVE_OK, archive_write_free(a));
  61                 return;
  62         }
  63         assertEqualIntA(a, ARCHIVE_OK,
  64             archive_write_set_bytes_per_block(a, 10));
  65         assertEqualInt(ARCHIVE_COMPRESSION_LZMA, archive_compression(a));
  66         assertEqualString("lzma", archive_compression_name(a));
  67         assertEqualIntA(a, ARCHIVE_OK,
  68             archive_write_open_memory(a, buff, buffsize, &used1));
  69         assertEqualInt(ARCHIVE_COMPRESSION_LZMA, archive_compression(a));
  70         assertEqualString("lzma", archive_compression_name(a));
  71         assert((ae = archive_entry_new()) != NULL);
  72         archive_entry_set_filetype(ae, AE_IFREG);
  73         archive_entry_set_size(ae, datasize);
  74         for (i = 0; i < 100; i++) {
  75                 sprintf(path, "file%03d", i);
  76                 archive_entry_copy_pathname(ae, path);
  77                 assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
  78                 assertA(datasize
  79                     == (size_t)archive_write_data(a, data, datasize));
  80         }
  81         archive_entry_free(ae);
  82         assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
  83         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
  84
  85         assert((a = archive_read_new()) != NULL);
  86         assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
  87         r = archive_read_support_filter_lzma(a);
  88         if (r == ARCHIVE_WARN) {
  89                 skipping("Can't verify lzma writing by reading back;"
  90                     " lzma reading not fully supported on this platform");
  91         } else {
  92                 assertEqualIntA(a, ARCHIVE_OK,
  93                     archive_read_support_filter_all(a));
  94                 assertEqualIntA(a, ARCHIVE_OK,
  95                     archive_read_open_memory(a, buff, used1));
  96                 for (i = 0; i < 100; i++) {
  97                         sprintf(path, "file%03d", i);
  98                         if (!assertEqualInt(ARCHIVE_OK,
  99                                 archive_read_next_header(a, &ae)))
 100                                 break;
 101                         assertEqualString(path, archive_entry_pathname(ae));
 102                         assertEqualInt((int)datasize, archive_entry_size(ae));
 103                 }
 104                 assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
 105         }
 106         assertEqualInt(ARCHIVE_OK, archive_read_free(a));
 107
 108         /*
 109          * Repeat the cycle again, this time setting some compression
 110          * options.
 111          */
 112         assert((a = archive_write_new()) != NULL);
 113         assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
 114         assertEqualIntA(a, ARCHIVE_OK,
 115             archive_write_set_bytes_per_block(a, 10));
 116         assertEqualIntA(a, ARCHIVE_OK, archive_write_set_compression_lzma(a));
 117         assertEqualIntA(a, ARCHIVE_FAILED,
 118             archive_write_set_filter_option(a, NULL, "nonexistent-option", "0"));
 119         assertEqualIntA(a, ARCHIVE_FAILED,
 120             archive_write_set_filter_option(a, NULL, "compression-level", "abc"));
 121         assertEqualIntA(a, ARCHIVE_FAILED,
 122             archive_write_set_filter_option(a, NULL, "compression-level", "99"));
 123         assertEqualIntA(a, ARCHIVE_OK,
 124             archive_write_set_filter_option(a, NULL, "compression-level", "9"));
 125         assertEqualIntA(a, ARCHIVE_OK, archive_write_open_memory(a, buff, buffsize, &used2));
 126         for (i = 0; i < 100; i++) {
 127                 sprintf(path, "file%03d", i);
 128                 assert((ae = archive_entry_new()) != NULL);
 129                 archive_entry_copy_pathname(ae, path);
 130                 archive_entry_set_size(ae, datasize);
 131                 archive_entry_set_filetype(ae, AE_IFREG);
 132                 assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
 133                 assertA(datasize == (size_t)archive_write_data(a, data, datasize));
 134                 archive_entry_free(ae);
 135         }
 136         assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
 137         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 138
 139
 140         assert((a = archive_read_new()) != NULL);
 141         assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
 142         r = archive_read_support_filter_lzma(a);
 143         if (r == ARCHIVE_WARN) {
 144                 skipping("lzma reading not fully supported on this platform");
 145         } else {
 146                 assertEqualIntA(a, ARCHIVE_OK,
 147                     archive_read_support_filter_all(a));
 148                 assertEqualIntA(a, ARCHIVE_OK,
 149                     archive_read_open_memory(a, buff, used2));
 150                 for (i = 0; i < 100; i++) {
 151                         sprintf(path, "file%03d", i);
 152                         failure("Trying to read %s", path);
 153                         if (!assertEqualIntA(a, ARCHIVE_OK,
 154                                 archive_read_next_header(a, &ae)))
 155                                 break;
 156                         assertEqualString(path, archive_entry_pathname(ae));
 157                         assertEqualInt((int)datasize, archive_entry_size(ae));
 158                 }
 159                 assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
 160         }
 161         assertEqualInt(ARCHIVE_OK, archive_read_free(a));
 162
 163         /*
 164          * Repeat again, with much lower compression.
 165          */
 166         assert((a = archive_write_new()) != NULL);
 167         assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
 168         assertEqualIntA(a, ARCHIVE_OK,
 169             archive_write_set_bytes_per_block(a, 10));
 170         assertEqualIntA(a, ARCHIVE_OK, archive_write_set_compression_lzma(a));
 171         assertEqualIntA(a, ARCHIVE_OK,
 172             archive_write_set_filter_option(a, NULL, "compression-level", "0"));
 173         assertEqualIntA(a, ARCHIVE_OK, archive_write_open_memory(a, buff, buffsize, &used2));
 174         for (i = 0; i < 100; i++) {
 175                 sprintf(path, "file%03d", i);
 176                 assert((ae = archive_entry_new()) != NULL);
 177                 archive_entry_copy_pathname(ae, path);
 178                 archive_entry_set_size(ae, datasize);
 179                 archive_entry_set_filetype(ae, AE_IFREG);
 180                 assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
 181                 failure("Writing file %s", path);
 182                 assertEqualIntA(a, datasize,
 183                     (size_t)archive_write_data(a, data, datasize));
 184                 archive_entry_free(ae);
 185         }
 186         assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
 187         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 188
 189         /* It would be nice to assert that compression-level=0 produced
 190          * consistently larger/smaller results than the default compression,
 191          * but the results here vary a lot depending on the version of liblzma
 192          * being used. */
 193         /*
 194         failure("Compression-level=0 wrote %d bytes; default wrote %d bytes",
 195             (int)used2, (int)used1);
 196         assert(used2 > used1);
 197         */
 198
 199         assert((a = archive_read_new()) != NULL);
 200         assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
 201         assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
 202         r = archive_read_support_filter_lzma(a);
 203         if (r == ARCHIVE_WARN) {
 204                 skipping("lzma reading not fully supported on this platform");
 205         } else {
 206                 assertEqualIntA(a, ARCHIVE_OK,
 207                     archive_read_open_memory(a, buff, used2));
 208                 for (i = 0; i < 100; i++) {
 209                         sprintf(path, "file%03d", i);
 210                         if (!assertEqualInt(ARCHIVE_OK,
 211                                 archive_read_next_header(a, &ae)))
 212                                 break;
 213                         assertEqualString(path, archive_entry_pathname(ae));
 214                         assertEqualInt((int)datasize, archive_entry_size(ae));
 215                 }
 216                 assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
 217         }
 218         assertEqualInt(ARCHIVE_OK, archive_read_free(a));
 219
 220         /*
 221          * Test various premature shutdown scenarios to make sure we
 222          * don't crash or leak memory.
 223          */
 224         assert((a = archive_write_new()) != NULL);
 225         assertEqualIntA(a, ARCHIVE_OK, archive_write_set_compression_lzma(a));
 226         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 227
 228         assert((a = archive_write_new()) != NULL);
 229         assertEqualIntA(a, ARCHIVE_OK, archive_write_set_compression_lzma(a));
 230         assertEqualInt(ARCHIVE_OK, archive_write_close(a));
 231         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 232
 233         assert((a = archive_write_new()) != NULL);
 234         assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
 235         assertEqualIntA(a, ARCHIVE_OK, archive_write_set_compression_lzma(a));
 236         assertEqualInt(ARCHIVE_OK, archive_write_close(a));
 237         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 238
 239         assert((a = archive_write_new()) != NULL);
 240         assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
 241         assertEqualIntA(a, ARCHIVE_OK, archive_write_set_compression_lzma(a));
 242         assertEqualIntA(a, ARCHIVE_OK, archive_write_open_memory(a, buff, buffsize, &used2));
 243         assertEqualInt(ARCHIVE_OK, archive_write_close(a));
 244         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 245
 246         /*
 247          * Clean up.
 248          */
 249         free(data);
 250         free(buff);
 251 }