int
main (int argc,
char *argv[])
{
TestIfaceClass *iface;
GObject *object;
char *string1 = "A";
char *string2 = "B";
g_type_init ();
/* Basic check of interfaces added before class_init time
*/
g_type_add_interface_check (string1, check_func);
object = g_object_new (TEST_TYPE_OBJECT1, NULL);
iface = TEST_IFACE_GET_CLASS (object);
g_assert (strcmp (iface->history->str, "A") == 0);
g_object_unref (object);
/* Add a second check function
*/
g_type_add_interface_check (string2, check_func);
object = g_object_new (TEST_TYPE_OBJECT2, NULL);
iface = TEST_IFACE_GET_CLASS (object);
g_assert (strcmp (iface->history->str, "AB") == 0);
g_object_unref (object);
/* Remove the first check function
*/
g_type_remove_interface_check (string1, check_func);
object = g_object_new (TEST_TYPE_OBJECT3, NULL);
iface = TEST_IFACE_GET_CLASS (object);
g_assert (strcmp (iface->history->str, "B") == 0);
g_object_unref (object);
/* Test interfaces added after class_init time
*/
g_type_class_ref (TEST_TYPE_OBJECT4);
{
GInterfaceInfo const iface = {
NULL, NULL, NULL
};
g_type_add_interface_static (TEST_TYPE_OBJECT4, TEST_TYPE_IFACE, &iface);
}
object = g_object_new (TEST_TYPE_OBJECT4, NULL);
iface = TEST_IFACE_GET_CLASS (object);
g_assert (strcmp (iface->history->str, "B") == 0);
g_object_unref (object);
return 0;
}
static void
iface_print_string (TestIface *tiobj,
const gchar *string)
{
TestIfaceClass *iface;
g_return_if_fail (TEST_IS_IFACE (tiobj));
g_return_if_fail (G_IS_OBJECT (tiobj)); /* ensured through prerequisite */
iface = TEST_IFACE_GET_CLASS (tiobj);
g_object_ref (tiobj);
iface->print_string (tiobj, string);
g_object_unref (tiobj);
}
