lib/compression/testsuite.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    test suite for the compression functions
   4
   5    Copyright (C) Jelmer Vernooij 2007
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include "includes.h"
  22 #include "torture/torture.h"
  23 #include "talloc.h"
  24 #include "lzxpress.h"
  25
  26 /*
  27   test lzxpress
  28  */
  29 static bool test_lzxpress(struct torture_context *test)
  30 {
  31         TALLOC_CTX *tmp_ctx = talloc_new(test);
  32         uint8_t *data;
  33         const char *fixed_data = "this is a test. and this is a test too";
  34         const uint8_t fixed_out[] = { 0x00, 0x20, 0x00, 0x04, 0x74, 0x68, 0x69, 0x73,
  35                                       0x20, 0x10, 0x00, 0x61, 0x20, 0x74, 0x65, 0x73,
  36                                       0x74, 0x2E, 0x20, 0x61, 0x6E, 0x64, 0x20, 0x9F,
  37                                       0x00, 0x04, 0x20, 0x74, 0x6F, 0x6F, 0x00, 0x00,
  38                                       0x00, 0x00 };
  39         ssize_t c_size;
  40         uint8_t *out, *out2;
  41
  42         data = talloc_size(tmp_ctx, 1023);
  43         out  = talloc_size(tmp_ctx, 2048);
  44         memset(out, 0x42, talloc_get_size(out));
  45
  46         torture_comment(test, "lzxpress fixed compression\n");
  47         c_size = lzxpress_compress((const uint8_t *)fixed_data,
  48                                    strlen(fixed_data),
  49                                    out,
  50                                    talloc_get_size(out));
  51
  52         torture_assert_int_equal(test, c_size, sizeof(fixed_out), "fixed lzxpress_compress size");
  53         torture_assert_mem_equal(test, out, fixed_out, c_size, "fixed lzxpress_compress data");
  54
  55         torture_comment(test, "lzxpress fixed decompression\n");
  56         out2  = talloc_size(tmp_ctx, strlen(fixed_data));
  57         c_size = lzxpress_decompress(out,
  58                                      sizeof(fixed_out),
  59                                      out2,
  60                                      talloc_get_size(out2));
  61
  62         torture_assert_int_equal(test, c_size, strlen(fixed_data), "fixed lzxpress_decompress size");
  63         torture_assert_mem_equal(test, out2, fixed_data, c_size, "fixed lzxpress_decompress data");
  64
  65         return true;
  66 }
  67
  68
  69 struct torture_suite *torture_local_compression(TALLOC_CTX *mem_ctx)
  70 {
  71         struct torture_suite *suite = torture_suite_create(mem_ctx, "compression");
  72
  73         torture_suite_add_simple_test(suite, "lzxpress", test_lzxpress);
  74
  75         return suite;
  76 }