• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2 /* dbus-marshal-byteswap-util.c  Would be in dbus-marshal-byteswap.c but tests/bus only
3  *
4  * Copyright (C) 2005 Red Hat, Inc.
5  *
6  * Licensed under the Academic Free License version 2.1
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
21  *
22  */
23 
24 #include <config.h>
25 
26 #ifdef DBUS_BUILD_TESTS
27 #include "dbus-marshal-byteswap.h"
28 #include "dbus-test.h"
29 #include <stdio.h>
30 
31 static void
do_byteswap_test(int byte_order)32 do_byteswap_test (int byte_order)
33 {
34   int sequence;
35   DBusString signature;
36   DBusString body;
37   int opposite_order;
38 
39   if (!_dbus_string_init (&signature) || !_dbus_string_init (&body))
40     _dbus_assert_not_reached ("oom");
41 
42   opposite_order = byte_order == DBUS_LITTLE_ENDIAN ? DBUS_BIG_ENDIAN : DBUS_LITTLE_ENDIAN;
43 
44   sequence = 0;
45   while (dbus_internal_do_not_use_generate_bodies (sequence,
46                                                    byte_order,
47                                                    &signature, &body))
48     {
49       DBusString copy;
50       DBusTypeReader body_reader;
51       DBusTypeReader copy_reader;
52 
53       if (!_dbus_string_init (&copy))
54         _dbus_assert_not_reached ("oom");
55 
56       if (!_dbus_string_copy (&body, 0, &copy, 0))
57         _dbus_assert_not_reached ("oom");
58 
59       _dbus_marshal_byteswap (&signature, 0,
60                               byte_order,
61                               opposite_order,
62                               &copy, 0);
63 
64       _dbus_type_reader_init (&body_reader, byte_order, &signature, 0,
65                               &body, 0);
66       _dbus_type_reader_init (&copy_reader, opposite_order, &signature, 0,
67                               &copy, 0);
68 
69       if (!_dbus_type_reader_equal_values (&body_reader, &copy_reader))
70         {
71           _dbus_verbose_bytes_of_string (&signature, 0,
72                                          _dbus_string_get_length (&signature));
73           _dbus_verbose_bytes_of_string (&body, 0,
74                                          _dbus_string_get_length (&body));
75           _dbus_verbose_bytes_of_string (&copy, 0,
76                                          _dbus_string_get_length (&copy));
77 
78           _dbus_warn ("Byte-swapped data did not have same values as original data\n");
79           _dbus_assert_not_reached ("test failed");
80         }
81 
82       _dbus_string_free (&copy);
83 
84       _dbus_string_set_length (&signature, 0);
85       _dbus_string_set_length (&body, 0);
86       ++sequence;
87     }
88 
89   _dbus_string_free (&signature);
90   _dbus_string_free (&body);
91 
92   printf ("  %d blocks swapped from order '%c' to '%c'\n",
93           sequence, byte_order, opposite_order);
94 }
95 
96 dbus_bool_t
_dbus_marshal_byteswap_test(void)97 _dbus_marshal_byteswap_test (void)
98 {
99   do_byteswap_test (DBUS_LITTLE_ENDIAN);
100   do_byteswap_test (DBUS_BIG_ENDIAN);
101 
102   return TRUE;
103 }
104 
105 #endif /* DBUS_BUILD_TESTS */
106