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 "util.h"
  27 #include "macro.h"
  28 #include "sd-bus.h"
  29 #include "bus-gvariant.h"
  30 #include "bus-internal.h"
  31 #include "bus-message.h"
  32 #include "bus-dump.h"
  33
  34 static void test_bus_gvariant_is_fixed_size(void) {
  35         assert_se(bus_gvariant_is_fixed_size("") > 0);
  36         assert_se(bus_gvariant_is_fixed_size("()") > 0);
  37         assert_se(bus_gvariant_is_fixed_size("y") > 0);
  38         assert_se(bus_gvariant_is_fixed_size("u") > 0);
  39         assert_se(bus_gvariant_is_fixed_size("b") > 0);
  40         assert_se(bus_gvariant_is_fixed_size("n") > 0);
  41         assert_se(bus_gvariant_is_fixed_size("q") > 0);
  42         assert_se(bus_gvariant_is_fixed_size("i") > 0);
  43         assert_se(bus_gvariant_is_fixed_size("t") > 0);
  44         assert_se(bus_gvariant_is_fixed_size("d") > 0);
  45         assert_se(bus_gvariant_is_fixed_size("s") == 0);
  46         assert_se(bus_gvariant_is_fixed_size("o") == 0);
  47         assert_se(bus_gvariant_is_fixed_size("g") == 0);
  48         assert_se(bus_gvariant_is_fixed_size("h") > 0);
  49         assert_se(bus_gvariant_is_fixed_size("ay") == 0);
  50         assert_se(bus_gvariant_is_fixed_size("v") == 0);
  51         assert_se(bus_gvariant_is_fixed_size("(u)") > 0);
  52         assert_se(bus_gvariant_is_fixed_size("(uuuuy)") > 0);
  53         assert_se(bus_gvariant_is_fixed_size("(uusuuy)") == 0);
  54         assert_se(bus_gvariant_is_fixed_size("a{ss}") == 0);
  55         assert_se(bus_gvariant_is_fixed_size("((u)yyy(b(iiii)))") > 0);
  56         assert_se(bus_gvariant_is_fixed_size("((u)yyy(b(iiivi)))") == 0);
  57 }
  58
  59 static void test_bus_gvariant_get_size(void) {
  60         assert_se(bus_gvariant_get_size("") == 0);
  61         assert_se(bus_gvariant_get_size("()") == 1);
  62         assert_se(bus_gvariant_get_size("y") == 1);
  63         assert_se(bus_gvariant_get_size("u") == 4);
  64         assert_se(bus_gvariant_get_size("b") == 1);
  65         assert_se(bus_gvariant_get_size("n") == 2);
  66         assert_se(bus_gvariant_get_size("q") == 2);
  67         assert_se(bus_gvariant_get_size("i") == 4);
  68         assert_se(bus_gvariant_get_size("t") == 8);
  69         assert_se(bus_gvariant_get_size("d") == 8);
  70         assert_se(bus_gvariant_get_size("s") < 0);
  71         assert_se(bus_gvariant_get_size("o") < 0);
  72         assert_se(bus_gvariant_get_size("g") < 0);
  73         assert_se(bus_gvariant_get_size("h") == 4);
  74         assert_se(bus_gvariant_get_size("ay") < 0);
  75         assert_se(bus_gvariant_get_size("v") < 0);
  76         assert_se(bus_gvariant_get_size("(u)") == 4);
  77         assert_se(bus_gvariant_get_size("(uuuuy)") == 20);
  78         assert_se(bus_gvariant_get_size("(uusuuy)") < 0);
  79         assert_se(bus_gvariant_get_size("a{ss}") < 0);
  80         assert_se(bus_gvariant_get_size("((u)yyy(b(iiii)))") == 28);
  81         assert_se(bus_gvariant_get_size("((u)yyy(b(iiivi)))") < 0);
  82         assert_se(bus_gvariant_get_size("((b)(t))") == 16);
  83         assert_se(bus_gvariant_get_size("((b)(b)(t))") == 16);
  84         assert_se(bus_gvariant_get_size("(bt)") == 16);
  85         assert_se(bus_gvariant_get_size("((t)(b))") == 16);
  86         assert_se(bus_gvariant_get_size("(tb)") == 16);
  87         assert_se(bus_gvariant_get_size("((b)(b))") == 2);
  88         assert_se(bus_gvariant_get_size("((t)(t))") == 16);
  89 }
  90
  91 static void test_bus_gvariant_get_alignment(void) {
  92         assert_se(bus_gvariant_get_alignment("") == 1);
  93         assert_se(bus_gvariant_get_alignment("()") == 1);
  94         assert_se(bus_gvariant_get_alignment("y") == 1);
  95         assert_se(bus_gvariant_get_alignment("b") == 1);
  96         assert_se(bus_gvariant_get_alignment("u") == 4);
  97         assert_se(bus_gvariant_get_alignment("s") == 1);
  98         assert_se(bus_gvariant_get_alignment("o") == 1);
  99         assert_se(bus_gvariant_get_alignment("g") == 1);
 100         assert_se(bus_gvariant_get_alignment("v") == 8);
 101         assert_se(bus_gvariant_get_alignment("h") == 4);
 102         assert_se(bus_gvariant_get_alignment("i") == 4);
 103         assert_se(bus_gvariant_get_alignment("t") == 8);
 104         assert_se(bus_gvariant_get_alignment("x") == 8);
 105         assert_se(bus_gvariant_get_alignment("q") == 2);
 106         assert_se(bus_gvariant_get_alignment("n") == 2);
 107         assert_se(bus_gvariant_get_alignment("d") == 8);
 108         assert_se(bus_gvariant_get_alignment("ay") == 1);
 109         assert_se(bus_gvariant_get_alignment("as") == 1);
 110         assert_se(bus_gvariant_get_alignment("au") == 4);
 111         assert_se(bus_gvariant_get_alignment("an") == 2);
 112         assert_se(bus_gvariant_get_alignment("ans") == 2);
 113         assert_se(bus_gvariant_get_alignment("ant") == 8);
 114         assert_se(bus_gvariant_get_alignment("(ss)") == 1);
 115         assert_se(bus_gvariant_get_alignment("(ssu)") == 4);
 116         assert_se(bus_gvariant_get_alignment("a(ssu)") == 4);
 117         assert_se(bus_gvariant_get_alignment("(u)") == 4);
 118         assert_se(bus_gvariant_get_alignment("(uuuuy)") == 4);
 119         assert_se(bus_gvariant_get_alignment("(uusuuy)") == 4);
 120         assert_se(bus_gvariant_get_alignment("a{ss}") == 1);
 121         assert_se(bus_gvariant_get_alignment("((u)yyy(b(iiii)))") == 4);
 122         assert_se(bus_gvariant_get_alignment("((u)yyy(b(iiivi)))") == 8);
 123         assert_se(bus_gvariant_get_alignment("((b)(t))") == 8);
 124         assert_se(bus_gvariant_get_alignment("((b)(b)(t))") == 8);
 125         assert_se(bus_gvariant_get_alignment("(bt)") == 8);
 126         assert_se(bus_gvariant_get_alignment("((t)(b))") == 8);
 127         assert_se(bus_gvariant_get_alignment("(tb)") == 8);
 128         assert_se(bus_gvariant_get_alignment("((b)(b))") == 1);
 129         assert_se(bus_gvariant_get_alignment("((t)(t))") == 8);
 130 }
 131
 132 static void test_marshal(void) {
 133         _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *n = NULL;
 134         _cleanup_bus_flush_close_unref_ sd_bus *bus = NULL;
 135         _cleanup_free_ void *blob;
 136         size_t sz;
 137         int r;
 138
 139         r = sd_bus_open_system(&bus);
 140         if (r < 0)
 141                 exit(EXIT_TEST_SKIP);
 142
 143         bus->message_version = 2; /* dirty hack to enable gvariant */
 144
 145         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);
 146
 147         assert_cc(sizeof(struct bus_header) == 16);
 148
 149         assert_se(sd_bus_message_append(m,
 150                                         "a(usv)", 3,
 151                                         4711, "first-string-parameter", "(st)", "X", (uint64_t) 1111,
 152                                         4712, "second-string-parameter", "(a(si))", 2, "Y", 5, "Z", 6,
 153                                         4713, "third-string-parameter", "(uu)", 1, 2) >= 0);
 154
 155         assert_se(bus_message_seal(m, 4711, 0) >= 0);
 156
 157 #ifdef HAVE_GLIB
 158         {
 159                 GVariant *v;
 160                 char *t;
 161
 162 #if !defined(GLIB_VERSION_2_36)
 163                 g_type_init();
 164 #endif
 165
 166                 v = g_variant_new_from_data(G_VARIANT_TYPE("(yyyyuta{tv})"), m->header, sizeof(struct bus_header) + m->fields_size, false, NULL, NULL);
 167                 assert_se(g_variant_is_normal_form(v));
 168                 t = g_variant_print(v, TRUE);
 169                 printf("%s\n", t);
 170                 g_free(t);
 171                 g_variant_unref(v);
 172
 173                 v = g_variant_new_from_data(G_VARIANT_TYPE("(a(usv))"), m->body.data, m->user_body_size, false, NULL, NULL);
 174                 assert_se(g_variant_is_normal_form(v));
 175                 t = g_variant_print(v, TRUE);
 176                 printf("%s\n", t);
 177                 g_free(t);
 178                 g_variant_unref(v);
 179         }
 180 #endif
 181
 182         assert_se(bus_message_dump(m, NULL, BUS_MESSAGE_DUMP_WITH_HEADER) >= 0);
 183
 184         assert_se(bus_message_get_blob(m, &blob, &sz) >= 0);
 185
 186 #ifdef HAVE_GLIB
 187         {
 188                 GVariant *v;
 189                 char *t;
 190
 191                 v = g_variant_new_from_data(G_VARIANT_TYPE("(yyyyuta{tv}v)"), blob, sz, false, NULL, NULL);
 192                 assert_se(g_variant_is_normal_form(v));
 193                 t = g_variant_print(v, TRUE);
 194                 printf("%s\n", t);
 195                 g_free(t);
 196                 g_variant_unref(v);
 197         }
 198 #endif
 199
 200         assert_se(bus_message_from_malloc(bus, blob, sz, NULL, 0, NULL, &n) >= 0);
 201         blob = NULL;
 202
 203         assert_se(bus_message_dump(n, NULL, BUS_MESSAGE_DUMP_WITH_HEADER) >= 0);
 204
 205         m = sd_bus_message_unref(m);
 206
 207         assert_se(sd_bus_message_new_method_call(bus, &m, "a.x", "/a/x", "a.x", "Ax") >= 0);
 208
 209         assert_se(sd_bus_message_append(m, "as", 0) >= 0);
 210
 211         assert_se(bus_message_seal(m, 4712, 0) >= 0);
 212         assert_se(bus_message_dump(m, NULL, BUS_MESSAGE_DUMP_WITH_HEADER) >= 0);
 213 }
 214
 215 int main(int argc, char *argv[]) {
 216
 217         test_bus_gvariant_is_fixed_size();
 218         test_bus_gvariant_get_size();
 219         test_bus_gvariant_get_alignment();
 220         test_marshal();
 221
 222         return 0;
 223 }