qemu/tests/check-qom-proplist.c

   1 /*
   2  * Copyright (C) 2015 Red Hat, Inc.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library.  If not, see
  16  * <http://www.gnu.org/licenses/>.
  17  *
  18  * Author: Daniel P. Berrange <berrange@redhat.com>
  19  */
  20
  21 #include <glib.h>
  22
  23 #include "qom/object.h"
  24 #include "qemu/module.h"
  25
  26
  27 #define TYPE_DUMMY "qemu-dummy"
  28
  29 typedef struct DummyObject DummyObject;
  30 typedef struct DummyObjectClass DummyObjectClass;
  31
  32 #define DUMMY_OBJECT(obj)                               \
  33     OBJECT_CHECK(DummyObject, (obj), TYPE_DUMMY)
  34
  35 typedef enum DummyAnimal DummyAnimal;
  36
  37 enum DummyAnimal {
  38     DUMMY_FROG,
  39     DUMMY_ALLIGATOR,
  40     DUMMY_PLATYPUS,
  41
  42     DUMMY_LAST,
  43 };
  44
  45 static const char *const dummy_animal_map[DUMMY_LAST + 1] = {
  46     [DUMMY_FROG] = "frog",
  47     [DUMMY_ALLIGATOR] = "alligator",
  48     [DUMMY_PLATYPUS] = "platypus",
  49     [DUMMY_LAST] = NULL,
  50 };
  51
  52 struct DummyObject {
  53     Object parent_obj;
  54
  55     bool bv;
  56     DummyAnimal av;
  57     char *sv;
  58 };
  59
  60 struct DummyObjectClass {
  61     ObjectClass parent_class;
  62 };
  63
  64
  65 static void dummy_set_bv(Object *obj,
  66                          bool value,
  67                          Error **errp)
  68 {
  69     DummyObject *dobj = DUMMY_OBJECT(obj);
  70
  71     dobj->bv = value;
  72 }
  73
  74 static bool dummy_get_bv(Object *obj,
  75                          Error **errp)
  76 {
  77     DummyObject *dobj = DUMMY_OBJECT(obj);
  78
  79     return dobj->bv;
  80 }
  81
  82
  83 static void dummy_set_av(Object *obj,
  84                          int value,
  85                          Error **errp)
  86 {
  87     DummyObject *dobj = DUMMY_OBJECT(obj);
  88
  89     dobj->av = value;
  90 }
  91
  92 static int dummy_get_av(Object *obj,
  93                         Error **errp)
  94 {
  95     DummyObject *dobj = DUMMY_OBJECT(obj);
  96
  97     return dobj->av;
  98 }
  99
 100
 101 static void dummy_set_sv(Object *obj,
 102                          const char *value,
 103                          Error **errp)
 104 {
 105     DummyObject *dobj = DUMMY_OBJECT(obj);
 106
 107     g_free(dobj->sv);
 108     dobj->sv = g_strdup(value);
 109 }
 110
 111 static char *dummy_get_sv(Object *obj,
 112                           Error **errp)
 113 {
 114     DummyObject *dobj = DUMMY_OBJECT(obj);
 115
 116     return g_strdup(dobj->sv);
 117 }
 118
 119
 120 static void dummy_init(Object *obj)
 121 {
 122     object_property_add_bool(obj, "bv",
 123                              dummy_get_bv,
 124                              dummy_set_bv,
 125                              NULL);
 126     object_property_add_str(obj, "sv",
 127                             dummy_get_sv,
 128                             dummy_set_sv,
 129                             NULL);
 130     object_property_add_enum(obj, "av",
 131                              "DummyAnimal",
 132                              dummy_animal_map,
 133                              dummy_get_av,
 134                              dummy_set_av,
 135                              NULL);
 136 }
 137
 138 static void dummy_finalize(Object *obj)
 139 {
 140     DummyObject *dobj = DUMMY_OBJECT(obj);
 141
 142     g_free(dobj->sv);
 143 }
 144
 145
 146 static const TypeInfo dummy_info = {
 147     .name          = TYPE_DUMMY,
 148     .parent        = TYPE_OBJECT,
 149     .instance_size = sizeof(DummyObject),
 150     .instance_init = dummy_init,
 151     .instance_finalize = dummy_finalize,
 152     .class_size = sizeof(DummyObjectClass),
 153 };
 154
 155 static void test_dummy_createv(void)
 156 {
 157     Error *err = NULL;
 158     Object *parent = object_get_objects_root();
 159     DummyObject *dobj = DUMMY_OBJECT(
 160         object_new_with_props(TYPE_DUMMY,
 161                               parent,
 162                               "dummy0",
 163                               &err,
 164                               "bv", "yes",
 165                               "sv", "Hiss hiss hiss",
 166                               "av", "platypus",
 167                               NULL));
 168
 169     g_assert(err == NULL);
 170     g_assert_cmpstr(dobj->sv, ==, "Hiss hiss hiss");
 171     g_assert(dobj->bv == true);
 172     g_assert(dobj->av == DUMMY_PLATYPUS);
 173
 174     g_assert(object_resolve_path_component(parent, "dummy0")
 175              == OBJECT(dobj));
 176
 177     object_unparent(OBJECT(dobj));
 178 }
 179
 180
 181 static Object *new_helper(Error **errp,
 182                           Object *parent,
 183                           ...)
 184 {
 185     va_list vargs;
 186     Object *obj;
 187
 188     va_start(vargs, parent);
 189     obj = object_new_with_propv(TYPE_DUMMY,
 190                                 parent,
 191                                 "dummy0",
 192                                 errp,
 193                                 vargs);
 194     va_end(vargs);
 195     return obj;
 196 }
 197
 198 static void test_dummy_createlist(void)
 199 {
 200     Error *err = NULL;
 201     Object *parent = object_get_objects_root();
 202     DummyObject *dobj = DUMMY_OBJECT(
 203         new_helper(&err,
 204                    parent,
 205                    "bv", "yes",
 206                    "sv", "Hiss hiss hiss",
 207                    "av", "platypus",
 208                    NULL));
 209
 210     g_assert(err == NULL);
 211     g_assert_cmpstr(dobj->sv, ==, "Hiss hiss hiss");
 212     g_assert(dobj->bv == true);
 213     g_assert(dobj->av == DUMMY_PLATYPUS);
 214
 215     g_assert(object_resolve_path_component(parent, "dummy0")
 216              == OBJECT(dobj));
 217
 218     object_unparent(OBJECT(dobj));
 219 }
 220
 221 static void test_dummy_badenum(void)
 222 {
 223     Error *err = NULL;
 224     Object *parent = object_get_objects_root();
 225     Object *dobj =
 226         object_new_with_props(TYPE_DUMMY,
 227                               parent,
 228                               "dummy0",
 229                               &err,
 230                               "bv", "yes",
 231                               "sv", "Hiss hiss hiss",
 232                               "av", "yeti",
 233                               NULL);
 234
 235     g_assert(dobj == NULL);
 236     g_assert(err != NULL);
 237     g_assert_cmpstr(error_get_pretty(err), ==,
 238                     "Invalid parameter 'yeti'");
 239
 240     g_assert(object_resolve_path_component(parent, "dummy0")
 241              == NULL);
 242
 243     error_free(err);
 244 }
 245
 246
 247 static void test_dummy_getenum(void)
 248 {
 249     Error *err = NULL;
 250     int val;
 251     Object *parent = object_get_objects_root();
 252     DummyObject *dobj = DUMMY_OBJECT(
 253         object_new_with_props(TYPE_DUMMY,
 254                          parent,
 255                          "dummy0",
 256                          &err,
 257                          "av", "platypus",
 258                          NULL));
 259
 260     g_assert(err == NULL);
 261     g_assert(dobj->av == DUMMY_PLATYPUS);
 262
 263     val = object_property_get_enum(OBJECT(dobj),
 264                                    "av",
 265                                    "DummyAnimal",
 266                                    &err);
 267     g_assert(err == NULL);
 268     g_assert(val == DUMMY_PLATYPUS);
 269
 270     /* A bad enum type name */
 271     val = object_property_get_enum(OBJECT(dobj),
 272                                    "av",
 273                                    "BadAnimal",
 274                                    &err);
 275     g_assert(err != NULL);
 276     error_free(err);
 277     err = NULL;
 278
 279     /* A non-enum property name */
 280     val = object_property_get_enum(OBJECT(dobj),
 281                                    "iv",
 282                                    "DummyAnimal",
 283                                    &err);
 284     g_assert(err != NULL);
 285     error_free(err);
 286 }
 287
 288
 289 int main(int argc, char **argv)
 290 {
 291     g_test_init(&argc, &argv, NULL);
 292
 293     module_call_init(MODULE_INIT_QOM);
 294     type_register_static(&dummy_info);
 295
 296     g_test_add_func("/qom/proplist/createlist", test_dummy_createlist);
 297     g_test_add_func("/qom/proplist/createv", test_dummy_createv);
 298     g_test_add_func("/qom/proplist/badenum", test_dummy_badenum);
 299     g_test_add_func("/qom/proplist/getenum", test_dummy_getenum);
 300
 301     return g_test_run();
 302 }