/* GObject - GLib Type, Object, Parameter and Signal Library * Copyright (C) 2001, 2003 Red Hat, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General * Public License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place, Suite 330, * Boston, MA 02111-1307, USA. */ #undef G_LOG_DOMAIN #define G_LOG_DOMAIN "TestIfaceCheck" #undef G_DISABLE_ASSERT #undef G_DISABLE_CHECKS #undef G_DISABLE_CAST_CHECKS #include <string.h> #include <glib-object.h> #include "testcommon.h" /* This test tests g_type_add_interface_check_func(), which allows * installing a post-initialization check function. */ #define TEST_TYPE_IFACE (test_iface_get_type ()) #define TEST_IFACE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), TEST_TYPE_IFACE, TestIfaceClass)) typedef struct _TestIfaceClass TestIfaceClass; struct _TestIfaceClass { GTypeInterface base_iface; GString *history; }; static void test_iface_base_init (TestIfaceClass *iface) { iface->history = g_string_new (iface->history ? iface->history->str : NULL); } static DEFINE_IFACE(TestIface, test_iface, test_iface_base_init, NULL) /* * TestObject1 */ #define TEST_TYPE_OBJECT1 (test_object1_get_type ()) typedef struct _GObject TestObject1; typedef struct _GObjectClass TestObject1Class; static DEFINE_TYPE_FULL (TestObject1, test_object1, NULL, NULL, NULL, G_TYPE_OBJECT, INTERFACE (NULL, TEST_TYPE_IFACE)) /* * TestObject2 */ #define TEST_TYPE_OBJECT2 (test_object2_get_type ()) typedef struct _GObject TestObject2; typedef struct _GObjectClass TestObject2Class; static DEFINE_TYPE_FULL (TestObject2, test_object2, NULL, NULL, NULL, G_TYPE_OBJECT, INTERFACE (NULL, TEST_TYPE_IFACE)) /* * TestObject3 */ #define TEST_TYPE_OBJECT3 (test_object3_get_type ()) typedef struct _GObject TestObject3; typedef struct _GObjectClass TestObject3Class; static DEFINE_TYPE_FULL (TestObject3, test_object3, NULL, NULL, NULL, G_TYPE_OBJECT, INTERFACE (NULL, TEST_TYPE_IFACE)) /* * TestObject4 */ #define TEST_TYPE_OBJECT4 (test_object4_get_type ()) typedef struct _GObject TestObject4; typedef struct _GObjectClass TestObject4Class; static DEFINE_TYPE_FULL (TestObject4, test_object4, NULL, NULL, NULL, G_TYPE_OBJECT, {}) static void check_func (gpointer check_data, gpointer g_iface) { TestIfaceClass *iface = g_iface; g_string_append (iface->history, check_data); } 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); { static 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; }