compression: added a simple lzxpress test
[sfrench/samba-autobuild/.git] / 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 "mszip.h"
25 #include "lzxpress.h"
26
27 /*
28   test lzxpress
29  */
30 static bool test_lzxpress(struct torture_context *test)
31 {
32         TALLOC_CTX *tmp_ctx = talloc_new(test);
33         uint8_t *data;
34         const char *fixed_data = "this is a test. and this is a test too";
35         const uint8_t fixed_out[] = { 0x00, 0x20, 0x00, 0x04, 0x74, 0x68, 0x69, 0x73,
36                                       0x20, 0x10, 0x00, 0x61, 0x20, 0x74, 0x65, 0x73,
37                                       0x74, 0x2E, 0x20, 0x61, 0x6E, 0x64, 0x20, 0x9F,
38                                       0x00, 0x04, 0x20, 0x74, 0x6F, 0x6F, 0x00, 0x00,
39                                       0x00, 0x00 };
40         ssize_t c_size;
41         uint8_t *out, *out2;
42
43         data = talloc_size(tmp_ctx, 1023);
44         out  = talloc_size(tmp_ctx, 2048);
45         memset(out, 0x42, talloc_get_size(out));
46
47         torture_comment(test, "lzxpress fixed compression\n");
48         c_size = lzxpress_compress((const uint8_t *)fixed_data,
49                                    strlen(fixed_data),
50                                    out,
51                                    talloc_get_size(out));
52
53         torture_assert_int_equal(test, c_size, sizeof(fixed_out), "fixed lzxpress_compress size");
54         torture_assert_mem_equal(test, out, fixed_out, c_size, "fixed lzxpress_compress data");
55
56         torture_comment(test, "lzxpress fixed decompression\n");
57         out2  = talloc_size(tmp_ctx, strlen(fixed_data));
58         c_size = lzxpress_decompress(out,
59                                      sizeof(fixed_out),
60                                      out2,
61                                      talloc_get_size(out2));
62
63         torture_assert_int_equal(test, c_size, strlen(fixed_data), "fixed lzxpress_decompress size");
64         torture_assert_mem_equal(test, out2, fixed_data, c_size, "fixed lzxpress_decompress data");
65
66         return true;
67 }
68
69
70 struct torture_suite *torture_local_compression(TALLOC_CTX *mem_ctx)
71 {
72         struct torture_suite *suite = torture_suite_create(mem_ctx, "COMPRESSION");
73
74         torture_suite_add_simple_test(suite, "lzxpress", test_lzxpress);
75
76         return suite;
77 }