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 "alloc-util.h"
  29 #include "bus-dump.h"
  30 #include "bus-gvariant.h"
  31 #include "bus-internal.h"
  32 #include "bus-message.h"
  33 #include "bus-util.h"
  34 #include "macro.h"
  35 #include "util.h"
  36
  37 static void test_bus_gvariant_is_fixed_size(void) {
  38         assert_se(bus_gvariant_is_fixed_size("") > 0);
  39         assert_se(bus_gvariant_is_fixed_size("()") > 0);
  40         assert_se(bus_gvariant_is_fixed_size("y") > 0);
  41         assert_se(bus_gvariant_is_fixed_size("u") > 0);
  42         assert_se(bus_gvariant_is_fixed_size("b") > 0);
  43         assert_se(bus_gvariant_is_fixed_size("n") > 0);
  44         assert_se(bus_gvariant_is_fixed_size("q") > 0);
  45         assert_se(bus_gvariant_is_fixed_size("i") > 0);
  46         assert_se(bus_gvariant_is_fixed_size("t") > 0);
  47         assert_se(bus_gvariant_is_fixed_size("d") > 0);
  48         assert_se(bus_gvariant_is_fixed_size("s") == 0);
  49         assert_se(bus_gvariant_is_fixed_size("o") == 0);
  50         assert_se(bus_gvariant_is_fixed_size("g") == 0);
  51         assert_se(bus_gvariant_is_fixed_size("h") > 0);
  52         assert_se(bus_gvariant_is_fixed_size("ay") == 0);
  53         assert_se(bus_gvariant_is_fixed_size("v") == 0);
  54         assert_se(bus_gvariant_is_fixed_size("(u)") > 0);
  55         assert_se(bus_gvariant_is_fixed_size("(uuuuy)") > 0);
  56         assert_se(bus_gvariant_is_fixed_size("(uusuuy)") == 0);
  57         assert_se(bus_gvariant_is_fixed_size("a{ss}") == 0);
  58         assert_se(bus_gvariant_is_fixed_size("((u)yyy(b(iiii)))") > 0);
  59         assert_se(bus_gvariant_is_fixed_size("((u)yyy(b(iiivi)))") == 0);
  60 }
  61
  62 static void test_bus_gvariant_get_size(void) {
  63         assert_se(bus_gvariant_get_size("") == 0);
  64         assert_se(bus_gvariant_get_size("()") == 1);
  65         assert_se(bus_gvariant_get_size("y") == 1);
  66         assert_se(bus_gvariant_get_size("u") == 4);
  67         assert_se(bus_gvariant_get_size("b") == 1);
  68         assert_se(bus_gvariant_get_size("n") == 2);
  69         assert_se(bus_gvariant_get_size("q") == 2);
  70         assert_se(bus_gvariant_get_size("i") == 4);
  71         assert_se(bus_gvariant_get_size("t") == 8);
  72         assert_se(bus_gvariant_get_size("d") == 8);
  73         assert_se(bus_gvariant_get_size("s") < 0);
  74         assert_se(bus_gvariant_get_size("o") < 0);
  75         assert_se(bus_gvariant_get_size("g") < 0);
  76         assert_se(bus_gvariant_get_size("h") == 4);
  77         assert_se(bus_gvariant_get_size("ay") < 0);
  78         assert_se(bus_gvariant_get_size("v") < 0);
  79         assert_se(bus_gvariant_get_size("(u)") == 4);
  80         assert_se(bus_gvariant_get_size("(uuuuy)") == 20);
  81         assert_se(bus_gvariant_get_size("(uusuuy)") < 0);
  82         assert_se(bus_gvariant_get_size("a{ss}") < 0);
  83         assert_se(bus_gvariant_get_size("((u)yyy(b(iiii)))") == 28);
  84         assert_se(bus_gvariant_get_size("((u)yyy(b(iiivi)))") < 0);
  85         assert_se(bus_gvariant_get_size("((b)(t))") == 16);
  86         assert_se(bus_gvariant_get_size("((b)(b)(t))") == 16);
  87         assert_se(bus_gvariant_get_size("(bt)") == 16);
  88         assert_se(bus_gvariant_get_size("((t)(b))") == 16);
  89         assert_se(bus_gvariant_get_size("(tb)") == 16);
  90         assert_se(bus_gvariant_get_size("((b)(b))") == 2);
  91         assert_se(bus_gvariant_get_size("((t)(t))") == 16);
  92 }
  93
  94 static void test_bus_gvariant_get_alignment(void) {
  95         assert_se(bus_gvariant_get_alignment("") == 1);
  96         assert_se(bus_gvariant_get_alignment("()") == 1);
  97         assert_se(bus_gvariant_get_alignment("y") == 1);
  98         assert_se(bus_gvariant_get_alignment("b") == 1);
  99         assert_se(bus_gvariant_get_alignment("u") == 4);
 100         assert_se(bus_gvariant_get_alignment("s") == 1);
 101         assert_se(bus_gvariant_get_alignment("o") == 1);
 102         assert_se(bus_gvariant_get_alignment("g") == 1);
 103         assert_se(bus_gvariant_get_alignment("v") == 8);
 104         assert_se(bus_gvariant_get_alignment("h") == 4);
 105         assert_se(bus_gvariant_get_alignment("i") == 4);
 106         assert_se(bus_gvariant_get_alignment("t") == 8);
 107         assert_se(bus_gvariant_get_alignment("x") == 8);
 108         assert_se(bus_gvariant_get_alignment("q") == 2);
 109         assert_se(bus_gvariant_get_alignment("n") == 2);
 110         assert_se(bus_gvariant_get_alignment("d") == 8);
 111         assert_se(bus_gvariant_get_alignment("ay") == 1);
 112         assert_se(bus_gvariant_get_alignment("as") == 1);
 113         assert_se(bus_gvariant_get_alignment("au") == 4);
 114         assert_se(bus_gvariant_get_alignment("an") == 2);
 115         assert_se(bus_gvariant_get_alignment("ans") == 2);
 116         assert_se(bus_gvariant_get_alignment("ant") == 8);
 117         assert_se(bus_gvariant_get_alignment("(ss)") == 1);
 118         assert_se(bus_gvariant_get_alignment("(ssu)") == 4);
 119         assert_se(bus_gvariant_get_alignment("a(ssu)") == 4);
 120         assert_se(bus_gvariant_get_alignment("(u)") == 4);
 121         assert_se(bus_gvariant_get_alignment("(uuuuy)") == 4);
 122         assert_se(bus_gvariant_get_alignment("(uusuuy)") == 4);
 123         assert_se(bus_gvariant_get_alignment("a{ss}") == 1);
 124         assert_se(bus_gvariant_get_alignment("((u)yyy(b(iiii)))") == 4);
 125         assert_se(bus_gvariant_get_alignment("((u)yyy(b(iiivi)))") == 8);
 126         assert_se(bus_gvariant_get_alignment("((b)(t))") == 8);
 127         assert_se(bus_gvariant_get_alignment("((b)(b)(t))") == 8);
 128         assert_se(bus_gvariant_get_alignment("(bt)") == 8);
 129         assert_se(bus_gvariant_get_alignment("((t)(b))") == 8);
 130         assert_se(bus_gvariant_get_alignment("(tb)") == 8);
 131         assert_se(bus_gvariant_get_alignment("((b)(b))") == 1);
 132         assert_se(bus_gvariant_get_alignment("((t)(t))") == 8);
 133 }
 134
 135 static void test_marshal(void) {
 136         _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *n = NULL;
 137         _cleanup_bus_flush_close_unref_ sd_bus *bus = NULL;
 138         _cleanup_free_ void *blob;
 139         size_t sz;
 140         int r;
 141
 142         r = sd_bus_open_system(&bus);
 143         if (r < 0)
 144                 exit(EXIT_TEST_SKIP);
 145
 146         bus->message_version = 2; /* dirty hack to enable gvariant */
 147
 148         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);
 149
 150         assert_cc(sizeof(struct bus_header) == 16);
 151
 152         assert_se(sd_bus_message_append(m,
 153                                         "a(usv)", 3,
 154                                         4711, "first-string-parameter", "(st)", "X", (uint64_t) 1111,
 155                                         4712, "second-string-parameter", "(a(si))", 2, "Y", 5, "Z", 6,
 156                                         4713, "third-string-parameter", "(uu)", 1, 2) >= 0);
 157
 158         assert_se(bus_message_seal(m, 4711, 0) >= 0);
 159
 160 #ifdef HAVE_GLIB
 161         {
 162                 GVariant *v;
 163                 char *t;
 164
 165 #if !defined(GLIB_VERSION_2_36)
 166                 g_type_init();
 167 #endif
 168
 169                 v = g_variant_new_from_data(G_VARIANT_TYPE("(yyyyuta{tv})"), m->header, sizeof(struct bus_header) + m->fields_size, false, NULL, NULL);
 170                 assert_se(g_variant_is_normal_form(v));
 171                 t = g_variant_print(v, TRUE);
 172                 printf("%s\n", t);
 173                 g_free(t);
 174                 g_variant_unref(v);
 175
 176                 v = g_variant_new_from_data(G_VARIANT_TYPE("(a(usv))"), m->body.data, m->user_body_size, false, NULL, NULL);
 177                 assert_se(g_variant_is_normal_form(v));
 178                 t = g_variant_print(v, TRUE);
 179                 printf("%s\n", t);
 180                 g_free(t);
 181                 g_variant_unref(v);
 182         }
 183 #endif
 184
 185         assert_se(bus_message_dump(m, NULL, BUS_MESSAGE_DUMP_WITH_HEADER) >= 0);
 186
 187         assert_se(bus_message_get_blob(m, &blob, &sz) >= 0);
 188
 189 #ifdef HAVE_GLIB
 190         {
 191                 GVariant *v;
 192                 char *t;
 193
 194                 v = g_variant_new_from_data(G_VARIANT_TYPE("(yyyyuta{tv}v)"), blob, sz, false, NULL, NULL);
 195                 assert_se(g_variant_is_normal_form(v));
 196                 t = g_variant_print(v, TRUE);
 197                 printf("%s\n", t);
 198                 g_free(t);
 199                 g_variant_unref(v);
 200         }
 201 #endif
 202
 203         assert_se(bus_message_from_malloc(bus, blob, sz, NULL, 0, NULL, &n) >= 0);
 204         blob = NULL;
 205
 206         assert_se(bus_message_dump(n, NULL, BUS_MESSAGE_DUMP_WITH_HEADER) >= 0);
 207
 208         m = sd_bus_message_unref(m);
 209
 210         assert_se(sd_bus_message_new_method_call(bus, &m, "a.x", "/a/x", "a.x", "Ax") >= 0);
 211
 212         assert_se(sd_bus_message_append(m, "as", 0) >= 0);
 213
 214         assert_se(bus_message_seal(m, 4712, 0) >= 0);
 215         assert_se(bus_message_dump(m, NULL, BUS_MESSAGE_DUMP_WITH_HEADER) >= 0);
 216 }
 217
 218 int main(int argc, char *argv[]) {
 219
 220         test_bus_gvariant_is_fixed_size();
 221         test_bus_gvariant_get_size();
 222         test_bus_gvariant_get_alignment();
 223         test_marshal();
 224
 225         return 0;
 226 }