gobject/tests/dynamictests.c

   1 /* GLib testing framework examples and tests
   2  * Copyright (C) 2008 Imendio AB
   3  * Authors: Tim Janik
   4  *
   5  * This work is provided "as is"; redistribution and modification
   6  * in whole or in part, in any medium, physical or electronic is
   7  * permitted without restriction.
   8  *
   9  * This work 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.
  12  *
  13  * In no event shall the authors or contributors be liable for any
  14  * direct, indirect, incidental, special, exemplary, or consequential
  15  * damages (including, but not limited to, procurement of substitute
  16  * goods or services; loss of use, data, or profits; or business
  17  * interruption) however caused and on any theory of liability, whether
  18  * in contract, strict liability, or tort (including negligence or
  19  * otherwise) arising in any way out of the use of this software, even
  20  * if advised of the possibility of such damage.
  21  */
  22 #include <glib.h>
  23 #include <glib-object.h>
  24
  25 /* This test tests the macros for defining dynamic types.
  26  */
  27
  28 static GMutex sync_mutex;
  29 static gboolean loaded = FALSE;
  30
  31 /* MODULE */
  32 typedef struct _TestModule      TestModule;
  33 typedef struct _TestModuleClass TestModuleClass;
  34
  35 #define TEST_TYPE_MODULE              (test_module_get_type ())
  36 #define TEST_MODULE(module)           (G_TYPE_CHECK_INSTANCE_CAST ((module), TEST_TYPE_MODULE, TestModule))
  37 #define TEST_MODULE_CLASS(class)      (G_TYPE_CHECK_CLASS_CAST ((class), TEST_TYPE_MODULE, TestModuleClass))
  38 #define TEST_IS_MODULE(module)        (G_TYPE_CHECK_INSTANCE_TYPE ((module), TEST_TYPE_MODULE))
  39 #define TEST_IS_MODULE_CLASS(class)   (G_TYPE_CHECK_CLASS_TYPE ((class), TEST_TYPE_MODULE))
  40 #define TEST_MODULE_GET_CLASS(module) (G_TYPE_INSTANCE_GET_CLASS ((module), TEST_TYPE_MODULE, TestModuleClass))
  41 typedef void (*TestModuleRegisterFunc) (GTypeModule *module);
  42
  43 struct _TestModule
  44 {
  45   GTypeModule parent_instance;
  46
  47   TestModuleRegisterFunc register_func;
  48 };
  49
  50 struct _TestModuleClass
  51 {
  52   GTypeModuleClass parent_class;
  53 };
  54
  55 static GType test_module_get_type (void);
  56
  57 static gboolean
  58 test_module_load (GTypeModule *module)
  59 {
  60   TestModule *test_module = TEST_MODULE (module);
  61
  62   test_module->register_func (module);
  63
  64   return TRUE;
  65 }
  66
  67 static void
  68 test_module_unload (GTypeModule *module)
  69 {
  70 }
  71
  72 static void
  73 test_module_class_init (TestModuleClass *class)
  74 {
  75   GTypeModuleClass *module_class = G_TYPE_MODULE_CLASS (class);
  76
  77   module_class->load = test_module_load;
  78   module_class->unload = test_module_unload;
  79 }
  80
  81 static GType test_module_get_type (void)
  82 {
  83   static GType object_type = 0;
  84
  85   if (!object_type) {
  86     static const GTypeInfo object_info =
  87       {
  88         sizeof (TestModuleClass),
  89         (GBaseInitFunc) NULL,
  90         (GBaseFinalizeFunc) NULL,
  91         (GClassInitFunc) test_module_class_init,
  92         (GClassFinalizeFunc) NULL,
  93         NULL,
  94         sizeof (TestModule),
  95         0,
  96         (GInstanceInitFunc)NULL
  97       };
  98     object_type = g_type_register_static (G_TYPE_TYPE_MODULE, "TestModule", &object_info, 0);
  99   }
 100   return object_type;
 101 }
 102
 103
 104 static GTypeModule *
 105 test_module_new (TestModuleRegisterFunc register_func)
 106 {
 107   TestModule *test_module = g_object_new (TEST_TYPE_MODULE, NULL);
 108   GTypeModule *module = G_TYPE_MODULE (test_module);
 109
 110   test_module->register_func = register_func;
 111
 112   /* Register the types initially */
 113   g_type_module_use (module);
 114   g_type_module_unuse (module);
 115
 116   return G_TYPE_MODULE (module);
 117 }
 118
 119
 120
 121 #define DYNAMIC_OBJECT_TYPE (dynamic_object_get_type ())
 122
 123 typedef GObject DynamicObject;
 124 typedef struct _DynamicObjectClass DynamicObjectClass;
 125
 126 struct _DynamicObjectClass
 127 {
 128   GObjectClass parent_class;
 129   guint val;
 130 };
 131
 132 static GType dynamic_object_get_type (void);
 133 G_DEFINE_DYNAMIC_TYPE(DynamicObject, dynamic_object, G_TYPE_OBJECT);
 134
 135 static void
 136 dynamic_object_class_init (DynamicObjectClass *class)
 137 {
 138   class->val = 42;
 139   g_assert (loaded == FALSE);
 140   loaded = TRUE;
 141 }
 142
 143 static void
 144 dynamic_object_class_finalize (DynamicObjectClass *class)
 145 {
 146   g_assert (loaded == TRUE);
 147   loaded = FALSE;
 148 }
 149
 150 static void
 151 dynamic_object_init (DynamicObject *dynamic_object)
 152 {
 153 }
 154
 155
 156 static void
 157 module_register (GTypeModule *module)
 158 {
 159   dynamic_object_register_type (module);
 160 }
 161
 162 #define N_THREADS 100
 163 #define N_REFS 10000
 164
 165 static gpointer
 166 ref_unref_thread (gpointer data)
 167 {
 168   gint i;
 169   /* first, syncronize with other threads,
 170    */
 171   if (g_test_verbose())
 172     g_printerr ("WAITING!\n");
 173   g_mutex_lock (&sync_mutex);
 174   g_mutex_unlock (&sync_mutex);
 175   if (g_test_verbose ())
 176     g_printerr ("STARTING\n");
 177
 178   /* ref/unref the klass 10000000 times */
 179   for (i = N_REFS; i; i--) {
 180     if (g_test_verbose ())
 181       if (i % 10)
 182         g_printerr ("%d\n", i);
 183     g_type_class_unref (g_type_class_ref ((GType) data));
 184   }
 185
 186   if (g_test_verbose())
 187     g_printerr ("DONE !\n");
 188
 189   return NULL;
 190 }
 191
 192 static void
 193 test_multithreaded_dynamic_type_init (void)
 194 {
 195   GTypeModule *module;
 196   DynamicObjectClass *class;
 197   /* Create N_THREADS threads that are going to just ref/unref a class */
 198   GThread *threads[N_THREADS];
 199   guint i;
 200
 201   module = test_module_new (module_register);
 202   g_assert (module != NULL);
 203
 204   /* Not loaded until we call ref for the first time */
 205   class = g_type_class_peek (DYNAMIC_OBJECT_TYPE);
 206   g_assert (class == NULL);
 207   g_assert (!loaded);
 208
 209   /* pause newly created threads */
 210   g_mutex_lock (&sync_mutex);
 211
 212   /* create threads */
 213   for (i = 0; i < N_THREADS; i++) {
 214     threads[i] = g_thread_new ("test", ref_unref_thread, (gpointer) DYNAMIC_OBJECT_TYPE);
 215   }
 216
 217   /* execute threads */
 218   g_mutex_unlock (&sync_mutex);
 219
 220   for (i = 0; i < N_THREADS; i++) {
 221     g_thread_join (threads[i]);
 222   }
 223 }
 224
 225 enum
 226 {
 227   PROP_0,
 228   PROP_FOO
 229 };
 230
 231 typedef struct _DynObj DynObj;
 232 typedef struct _DynObjClass DynObjClass;
 233 typedef struct _DynIfaceInterface DynIfaceInterface;
 234
 235 struct _DynObj
 236 {
 237   GObject obj;
 238
 239   gint foo;
 240 };
 241
 242 struct _DynObjClass
 243 {
 244   GObjectClass class;
 245 };
 246
 247 struct _DynIfaceInterface
 248 {
 249   GTypeInterface iface;
 250 };
 251
 252 static void dyn_obj_iface_init (DynIfaceInterface *iface);
 253
 254 static GType dyn_iface_get_type (void);
 255 G_DEFINE_INTERFACE (DynIface, dyn_iface, G_TYPE_OBJECT)
 256
 257 static GType dyn_obj_get_type (void);
 258 G_DEFINE_DYNAMIC_TYPE_EXTENDED(DynObj, dyn_obj, G_TYPE_OBJECT, 0,
 259                       G_IMPLEMENT_INTERFACE_DYNAMIC(dyn_iface_get_type (), dyn_obj_iface_init))
 260
 261
 262 static void
 263 dyn_iface_default_init (DynIfaceInterface *iface)
 264 {
 265   g_object_interface_install_property (iface,
 266     g_param_spec_int ("foo", NULL, NULL, 0, 100, 0, G_PARAM_READWRITE));
 267 }
 268
 269 static void
 270 dyn_obj_iface_init (DynIfaceInterface *iface)
 271 {
 272 }
 273
 274 static void
 275 dyn_obj_init (DynObj *obj)
 276 {
 277   obj->foo = 0;
 278 }
 279
 280 static void
 281 set_prop (GObject      *object,
 282           guint         prop_id,
 283           const GValue *value,
 284           GParamSpec   *pspec)
 285 {
 286   DynObj *obj = (DynObj *)object;
 287
 288   switch (prop_id)
 289     {
 290     case PROP_FOO:
 291       obj->foo = g_value_get_int (value);
 292       break;
 293     default:
 294       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 295       break;
 296     }
 297 }
 298
 299 static void
 300 get_prop (GObject    *object,
 301           guint       prop_id,
 302           GValue     *value,
 303           GParamSpec *pspec)
 304 {
 305   DynObj *obj = (DynObj *)object;
 306
 307   switch (prop_id)
 308     {
 309     case PROP_FOO:
 310       g_value_set_int (value, obj->foo);
 311       break;
 312     default:
 313       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 314       break;
 315     }
 316 }
 317
 318 static void
 319 dyn_obj_class_init (DynObjClass *class)
 320 {
 321   GObjectClass *object_class = G_OBJECT_CLASS (class);
 322
 323   object_class->set_property = set_prop;
 324   object_class->get_property = get_prop;
 325
 326   g_object_class_override_property (object_class, PROP_FOO, "foo");
 327 }
 328
 329 static void
 330 dyn_obj_class_finalize (DynObjClass *class)
 331 {
 332 }
 333
 334 static void
 335 mod_register (GTypeModule *module)
 336 {
 337   dyn_obj_register_type (module);
 338 }
 339
 340 static void
 341 test_dynamic_interface_properties (void)
 342 {
 343   GTypeModule *module;
 344   DynObj *obj;
 345   gint val;
 346
 347   module = test_module_new (mod_register);
 348   g_assert (module != NULL);
 349
 350   obj = g_object_new (dyn_obj_get_type (), "foo", 1, NULL);
 351   g_object_get (obj, "foo", &val, NULL);
 352   g_assert_cmpint (val, ==, 1);
 353
 354   g_object_unref (obj);
 355 }
 356
 357 int
 358 main (int   argc,
 359       char *argv[])
 360 {
 361   g_test_init (&argc, &argv, NULL);
 362
 363   g_test_add_func ("/GObject/threaded-dynamic-ref-unref-init", test_multithreaded_dynamic_type_init);
 364   g_test_add_func ("/GObject/dynamic-interface-properties", test_dynamic_interface_properties);
 365
 366   return g_test_run();
 367 }