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