contrib/libarchive/libarchive/test/test_write_filter_bzip2.c

   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 }