src/libsystemd/sd-bus/test-bus-gvariant.c

   1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
   2
   3 /***
   4   This file is part of systemd.
   5
   6   Copyright 2013 Lennart Poettering
   7
   8   systemd is free software; you can redistribute it and/or modify it
   9   under the terms of the GNU Lesser General Public License as published by
  10   the Free Software Foundation; either version 2.1 of the License, or
  11   (at your option) any later version.
  12
  13   systemd is distributed in the hope that it will be useful, but
  14   WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16   Lesser General Public License for more details.
  17
  18   You should have received a copy of the GNU Lesser General Public License
  19   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  20 ***/
  21
  22 #ifdef HAVE_GLIB
  23 #include <glib.h>
  24 #endif
  25
  26 #include "sd-bus.h"
  27
  28 #include "bus-dump.h"
  29 #include "bus-gvariant.h"
  30 #include "bus-internal.h"
  31 #include "bus-message.h"
  32 #include "bus-util.h"
  33 #include "macro.h"
  34 #include "util.h"
  35
  36 static void test_bus_gvariant_is_fixed_size(void) {
  37         assert_se(bus_gvariant_is_fixed_size("") > 0);
  38         assert_se(bus_gvariant_is_fixed_size("()") > 0);
  39         assert_se(bus_gvariant_is_fixed_size("y") > 0);
  40         assert_se(bus_gvariant_is_fixed_size("u") > 0);
  41         assert_se(bus_gvariant_is_fixed_size("b") > 0);
  42         assert_se(bus_gvariant_is_fixed_size("n") > 0);
  43         assert_se(bus_gvariant_is_fixed_size("q") > 0);
  44         assert_se(bus_gvariant_is_fixed_size("i") > 0);
  45         assert_se(bus_gvariant_is_fixed_size("t") > 0);
  46         assert_se(bus_gvariant_is_fixed_size("d") > 0);
  47         assert_se(bus_gvariant_is_fixed_size("s") == 0);
  48         assert_se(bus_gvariant_is_fixed_size("o") == 0);
  49         assert_se(bus_gvariant_is_fixed_size("g") == 0);
  50         assert_se(bus_gvariant_is_fixed_size("h") > 0);
  51         assert_se(bus_gvariant_is_fixed_size("ay") == 0);
  52         assert_se(bus_gvariant_is_fixed_size("v") == 0);
  53         assert_se(bus_gvariant_is_fixed_size("(u)") > 0);
  54         assert_se(bus_gvariant_is_fixed_size("(uuuuy)") > 0);
  55         assert_se(bus_gvariant_is_fixed_size("(uusuuy)") == 0);
  56         assert_se(bus_gvariant_is_fixed_size("a{ss}") == 0);
  57         assert_se(bus_gvariant_is_fixed_size("((u)yyy(b(iiii)))") > 0);
  58         assert_se(bus_gvariant_is_fixed_size("((u)yyy(b(iiivi)))") == 0);
  59 }
  60
  61 static void test_bus_gvariant_get_size(void) {
  62         assert_se(bus_gvariant_get_size("") == 0);
  63         assert_se(bus_gvariant_get_size("()") == 1);
  64         assert_se(bus_gvariant_get_size("y") == 1);
  65         assert_se(bus_gvariant_get_size("u") == 4);
  66         assert_se(bus_gvariant_get_size("b") == 1);
  67         assert_se(bus_gvariant_get_size("n") == 2);
  68         assert_se(bus_gvariant_get_size("q") == 2);
  69         assert_se(bus_gvariant_get_size("i") == 4);
  70         assert_se(bus_gvariant_get_size("t") == 8);
  71         assert_se(bus_gvariant_get_size("d") == 8);
  72         assert_se(bus_gvariant_get_size("s") < 0);
  73         assert_se(bus_gvariant_get_size("o") < 0);
  74         assert_se(bus_gvariant_get_size("g") < 0);
  75         assert_se(bus_gvariant_get_size("h") == 4);
  76         assert_se(bus_gvariant_get_size("ay") < 0);
  77         assert_se(bus_gvariant_get_size("v") < 0);
  78         assert_se(bus_gvariant_get_size("(u)") == 4);
  79         assert_se(bus_gvariant_get_size("(uuuuy)") == 20);
  80         assert_se(bus_gvariant_get_size("(uusuuy)") < 0);
  81         assert_se(bus_gvariant_get_size("a{ss}") < 0);
  82         assert_se(bus_gvariant_get_size("((u)yyy(b(iiii)))") == 28);
  83         assert_se(bus_gvariant_get_size("((u)yyy(b(iiivi)))") < 0);
  84         assert_se(bus_gvariant_get_size("((b)(t))") == 16);
  85         assert_se(bus_gvariant_get_size("((b)(b)(t))") == 16);
  86         assert_se(bus_gvariant_get_size("(bt)") == 16);
  87         assert_se(bus_gvariant_get_size("((t)(b))") == 16);
  88         assert_se(bus_gvariant_get_size("(tb)") == 16);
  89         assert_se(bus_gvariant_get_size("((b)(b))") == 2);
  90         assert_se(bus_gvariant_get_size("((t)(t))") == 16);
  91 }
  92
  93 static void test_bus_gvariant_get_alignment(void) {
  94         assert_se(bus_gvariant_get_alignment("") == 1);
  95         assert_se(bus_gvariant_get_alignment("()") == 1);
  96         assert_se(bus_gvariant_get_alignment("y") == 1);
  97         assert_se(bus_gvariant_get_alignment("b") == 1);
  98         assert_se(bus_gvariant_get_alignment("u") == 4);
  99         assert_se(bus_gvariant_get_alignment("s") == 1);
 100         assert_se(bus_gvariant_get_alignment("o") == 1);
 101         assert_se(bus_gvariant_get_alignment("g") == 1);
 102         assert_se(bus_gvariant_get_alignment("v") == 8);
 103         assert_se(bus_gvariant_get_alignment("h") == 4);
 104         assert_se(bus_gvariant_get_alignment("i") == 4);
 105         assert_se(bus_gvariant_get_alignment("t") == 8);
 106         assert_se(bus_gvariant_get_alignment("x") == 8);
 107         assert_se(bus_gvariant_get_alignment("q") == 2);
 108         assert_se(bus_gvariant_get_alignment("n") == 2);
 109         assert_se(bus_gvariant_get_alignment("d") == 8);
 110         assert_se(bus_gvariant_get_alignment("ay") == 1);
 111         assert_se(bus_gvariant_get_alignment("as") == 1);
 112         assert_se(bus_gvariant_get_alignment("au") == 4);
 113         assert_se(bus_gvariant_get_alignment("an") == 2);
 114         assert_se(bus_gvariant_get_alignment("ans") == 2);
 115         assert_se(bus_gvariant_get_alignment("ant") == 8);
 116         assert_se(bus_gvariant_get_alignment("(ss)") == 1);
 117         assert_se(bus_gvariant_get_alignment("(ssu)") == 4);
 118         assert_se(bus_gvariant_get_alignment("a(ssu)") == 4);
 119         assert_se(bus_gvariant_get_alignment("(u)") == 4);
 120         assert_se(bus_gvariant_get_alignment("(uuuuy)") == 4);
 121         assert_se(bus_gvariant_get_alignment("(uusuuy)") == 4);
 122         assert_se(bus_gvariant_get_alignment("a{ss}") == 1);
 123         assert_se(bus_gvariant_get_alignment("((u)yyy(b(iiii)))") == 4);
 124         assert_se(bus_gvariant_get_alignment("((u)yyy(b(iiivi)))") == 8);
 125         assert_se(bus_gvariant_get_alignment("((b)(t))") == 8);
 126         assert_se(bus_gvariant_get_alignment("((b)(b)(t))") == 8);
 127         assert_se(bus_gvariant_get_alignment("(bt)") == 8);
 128         assert_se(bus_gvariant_get_alignment("((t)(b))") == 8);
 129         assert_se(bus_gvariant_get_alignment("(tb)") == 8);
 130         assert_se(bus_gvariant_get_alignment("((b)(b))") == 1);
 131         assert_se(bus_gvariant_get_alignment("((t)(t))") == 8);
 132 }
 133
 134 static void test_marshal(void) {
 135         _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *n = NULL;
 136         _cleanup_bus_flush_close_unref_ sd_bus *bus = NULL;
 137         _cleanup_free_ void *blob;
 138         size_t sz;
 139         int r;
 140
 141         r = sd_bus_open_system(&bus);
 142         if (r < 0)
 143                 exit(EXIT_TEST_SKIP);
 144
 145         bus->message_version = 2; /* dirty hack to enable gvariant */
 146
 147         assert_se(sd_bus_message_new_method_call(bus, &m, "a.service.name", "/an/object/path/which/is/really/really/long/so/that/we/hit/the/eight/bit/boundary/by/quite/some/margin/to/test/this/stuff/that/it/really/works", "an.interface.name", "AMethodName") >= 0);
 148
 149         assert_cc(sizeof(struct bus_header) == 16);
 150
 151         assert_se(sd_bus_message_append(m,
 152                                         "a(usv)", 3,
 153                                         4711, "first-string-parameter", "(st)", "X", (uint64_t) 1111,
 154                                         4712, "second-string-parameter", "(a(si))", 2, "Y", 5, "Z", 6,
 155                                         4713, "third-string-parameter", "(uu)", 1, 2) >= 0);
 156
 157         assert_se(bus_message_seal(m, 4711, 0) >= 0);
 158
 159 #ifdef HAVE_GLIB
 160         {
 161                 GVariant *v;
 162                 char *t;
 163
 164 #if !defined(GLIB_VERSION_2_36)
 165                 g_type_init();
 166 #endif
 167
 168                 v = g_variant_new_from_data(G_VARIANT_TYPE("(yyyyuta{tv})"), m->header, sizeof(struct bus_header) + m->fields_size, false, NULL, NULL);
 169                 assert_se(g_variant_is_normal_form(v));
 170                 t = g_variant_print(v, TRUE);
 171                 printf("%s\n", t);
 172                 g_free(t);
 173                 g_variant_unref(v);
 174
 175                 v = g_variant_new_from_data(G_VARIANT_TYPE("(a(usv))"), m->body.data, m->user_body_size, false, NULL, NULL);
 176                 assert_se(g_variant_is_normal_form(v));
 177                 t = g_variant_print(v, TRUE);
 178                 printf("%s\n", t);
 179                 g_free(t);
 180                 g_variant_unref(v);
 181         }
 182 #endif
 183
 184         assert_se(bus_message_dump(m, NULL, BUS_MESSAGE_DUMP_WITH_HEADER) >= 0);
 185
 186         assert_se(bus_message_get_blob(m, &blob, &sz) >= 0);
 187
 188 #ifdef HAVE_GLIB
 189         {
 190                 GVariant *v;
 191                 char *t;
 192
 193                 v = g_variant_new_from_data(G_VARIANT_TYPE("(yyyyuta{tv}v)"), blob, sz, false, NULL, NULL);
 194                 assert_se(g_variant_is_normal_form(v));
 195                 t = g_variant_print(v, TRUE);
 196                 printf("%s\n", t);
 197                 g_free(t);
 198                 g_variant_unref(v);
 199         }
 200 #endif
 201
 202         assert_se(bus_message_from_malloc(bus, blob, sz, NULL, 0, NULL, &n) >= 0);
 203         blob = NULL;
 204
 205         assert_se(bus_message_dump(n, NULL, BUS_MESSAGE_DUMP_WITH_HEADER) >= 0);
 206
 207         m = sd_bus_message_unref(m);
 208
 209         assert_se(sd_bus_message_new_method_call(bus, &m, "a.x", "/a/x", "a.x", "Ax") >= 0);
 210
 211         assert_se(sd_bus_message_append(m, "as", 0) >= 0);
 212
 213         assert_se(bus_message_seal(m, 4712, 0) >= 0);
 214         assert_se(bus_message_dump(m, NULL, BUS_MESSAGE_DUMP_WITH_HEADER) >= 0);
 215 }
 216
 217 int main(int argc, char *argv[]) {
 218
 219         test_bus_gvariant_is_fixed_size();
 220         test_bus_gvariant_get_size();
 221         test_bus_gvariant_get_alignment();
 222         test_marshal();
 223
 224         return 0;
 225 }