sl@0: /* GObject - GLib Type, Object, Parameter and Signal Library
sl@0:  * Copyright (C) 2001, 2003 Red Hat, Inc.
sl@0:  *
sl@0:  * This library is free software; you can redistribute it and/or
sl@0:  * modify it under the terms of the GNU Lesser General Public
sl@0:  * License as published by the Free Software Foundation; either
sl@0:  * version 2 of the License, or (at your option) any later version.
sl@0:  * Portions copyright (c) 2006-2009 Nokia Corporation.  All rights reserved.
sl@0:  * This library is distributed in the hope that it will be useful,
sl@0:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
sl@0:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
sl@0:  * Lesser General Public License for more details.
sl@0:  *
sl@0:  * You should have received a copy of the GNU Lesser General
sl@0:  * Public License along with this library; if not, write to the
sl@0:  * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
sl@0:  * Boston, MA 02111-1307, USA.
sl@0:  */
sl@0: 
sl@0: #undef	G_LOG_DOMAIN
sl@0: #define	G_LOG_DOMAIN "TestIfaceInherit"
sl@0: 
sl@0: #undef G_DISABLE_ASSERT
sl@0: #undef G_DISABLE_CHECKS
sl@0: #undef G_DISABLE_CAST_CHECKS
sl@0: 
sl@0: #include <glib-object.h>
sl@0: 
sl@0: #include "testcommon.h"
sl@0: #include "testmodule.h"
sl@0: 
sl@0: #ifdef __SYMBIAN32__
sl@0: #include "mrt2_glib2_test.h"
sl@0: #endif // __SYMBIAN32__
sl@0: /* This test tests inheritance of interface. We two object
sl@0:  * class BaseObject and DerivedObject we add an interface
sl@0:  * to BaseObject:
sl@0:  *
sl@0:  * I1) Before DerivedObject is registered
sl@0:  * I2) After DerivedObject is registered, but before
sl@0:  *     DerivedObject is class initialized
sl@0:  * I3) During DerivedObject's class_init
sl@0:  * I4) After DerivedObject's class init
sl@0:  *
sl@0:  * We also do some tests of overriding.
sl@0:  * 
sl@0:  * I5) We add an interface to BaseObject, then add the same
sl@0:  *     interface to DerivedObject. (Note that this is only legal
sl@0:  *     before DerivedObject's class_init; the results of
sl@0:  *     g_type_interface_peek() are not allowed to change from one
sl@0:  *     non-NULL vtable to another non-NULL vtable)
sl@0:  */
sl@0:    
sl@0: /*
sl@0:  * BaseObject, a parent class for DerivedObject
sl@0:  */
sl@0: #define BASE_TYPE_OBJECT          (base_object_get_type ())
sl@0: typedef struct _BaseObject        BaseObject;
sl@0: typedef struct _BaseObjectClass   BaseObjectClass;
sl@0: 
sl@0: struct _BaseObject
sl@0: {
sl@0:   GObject parent_instance;
sl@0: };
sl@0: struct _BaseObjectClass
sl@0: {
sl@0:   GObjectClass parent_class;
sl@0: };
sl@0: 
sl@0: static GType base_object_get_type (void);
sl@0: static GType derived_object_get_type (void);
sl@0: 
sl@0: /*
sl@0:  * DerivedObject, the child class of DerivedObject
sl@0:  */
sl@0: #define DERIVED_TYPE_OBJECT          (derived_object_get_type ())
sl@0: typedef struct _DerivedObject        DerivedObject;
sl@0: typedef struct _DerivedObjectClass   DerivedObjectClass;
sl@0: 
sl@0: struct _DerivedObject
sl@0: {
sl@0:   BaseObject parent_instance;
sl@0: };
sl@0: struct _DerivedObjectClass
sl@0: {
sl@0:   BaseObjectClass parent_class;
sl@0: };
sl@0: 
sl@0: /*
sl@0:  * The interfaces
sl@0:  */
sl@0: typedef struct _TestIfaceClass TestIfaceClass;
sl@0: typedef struct _TestIfaceClass TestIface1Class;
sl@0: typedef struct _TestIfaceClass TestIface2Class;
sl@0: typedef struct _TestIfaceClass TestIface3Class;
sl@0: typedef struct _TestIfaceClass TestIface4Class;
sl@0: typedef struct _TestIfaceClass TestIface5Class;
sl@0: 
sl@0: struct _TestIfaceClass
sl@0: {
sl@0:   GTypeInterface base_iface;
sl@0:   guint val;
sl@0: };
sl@0: 
sl@0: #define TEST_TYPE_IFACE1 (test_iface1_get_type ())
sl@0: #define TEST_TYPE_IFACE2 (test_iface2_get_type ())
sl@0: #define TEST_TYPE_IFACE3 (test_iface3_get_type ())
sl@0: #define TEST_TYPE_IFACE4 (test_iface4_get_type ())
sl@0: #define TEST_TYPE_IFACE5 (test_iface5_get_type ())
sl@0: 
sl@0: static DEFINE_IFACE (TestIface1, test_iface1,  NULL, NULL)
sl@0: static DEFINE_IFACE (TestIface2, test_iface2,  NULL, NULL)
sl@0: static DEFINE_IFACE (TestIface3, test_iface3,  NULL, NULL)
sl@0: static DEFINE_IFACE (TestIface4, test_iface4,  NULL, NULL)
sl@0: static DEFINE_IFACE (TestIface5, test_iface5,  NULL, NULL)
sl@0: 
sl@0: static void
sl@0: add_interface (GType              object_type,
sl@0: 	       GType              iface_type,
sl@0: 	       GInterfaceInitFunc init_func)
sl@0: {
sl@0:   GInterfaceInfo iface_info = {	NULL, NULL, NULL };
sl@0: 
sl@0:   iface_info.interface_init = init_func;
sl@0: 								
sl@0:   g_type_add_interface_static (object_type, iface_type, &iface_info);
sl@0: }
sl@0: 
sl@0: static void
sl@0: init_base_interface (TestIfaceClass *iface)
sl@0: {
sl@0:   iface->val = 21;
sl@0: }
sl@0: 
sl@0: static void
sl@0: add_base_interface (GType object_type,
sl@0: 		    GType iface_type)
sl@0: {
sl@0:   add_interface (object_type, iface_type,
sl@0: 		 (GInterfaceInitFunc)init_base_interface);
sl@0: }
sl@0: 
sl@0: static gboolean
sl@0: interface_is_base (GType object_type,
sl@0: 		   GType iface_type)
sl@0: {
sl@0:   gpointer g_class = g_type_class_peek (object_type);
sl@0:   TestIfaceClass *iface = g_type_interface_peek (g_class, iface_type);
sl@0:   return iface && iface->val == 21;
sl@0: }
sl@0: 
sl@0: static void
sl@0: init_derived_interface (TestIfaceClass *iface)
sl@0: {
sl@0:   iface->val = 42;
sl@0: }
sl@0: 
sl@0: static void
sl@0: add_derived_interface (GType object_type,
sl@0: 		       GType iface_type)
sl@0: {
sl@0:   add_interface (object_type, iface_type,
sl@0: 		 (GInterfaceInitFunc)init_derived_interface);
sl@0: }
sl@0: 
sl@0: static gboolean
sl@0: interface_is_derived (GType object_type,
sl@0: 		      GType iface_type)
sl@0: {
sl@0:   gpointer g_class = g_type_class_peek (object_type);
sl@0:   TestIfaceClass *iface = g_type_interface_peek (g_class, iface_type);
sl@0:   return iface && iface->val == 42;
sl@0: }
sl@0: 
sl@0: static void
sl@0: derived_object_class_init (BaseObjectClass *class)
sl@0: {
sl@0:   add_base_interface (BASE_TYPE_OBJECT, TEST_TYPE_IFACE3);
sl@0: }
sl@0: 
sl@0: static DEFINE_TYPE(BaseObject, base_object,
sl@0: 		   NULL, NULL, NULL,
sl@0: 		   G_TYPE_OBJECT)
sl@0: static DEFINE_TYPE(DerivedObject, derived_object,
sl@0: 		   derived_object_class_init, NULL, NULL,
sl@0: 		   BASE_TYPE_OBJECT)
sl@0: 
sl@0: int
sl@0: main (int   argc,
sl@0:       char *argv[])
sl@0: {
sl@0: #ifdef __SYMBIAN32__
sl@0:   g_log_set_handler (NULL,  G_LOG_FLAG_FATAL| G_LOG_FLAG_RECURSION | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING | G_LOG_LEVEL_MESSAGE | G_LOG_LEVEL_INFO | G_LOG_LEVEL_DEBUG, &mrtLogHandler, NULL);
sl@0:   g_set_print_handler(mrtPrintHandler);
sl@0:   #endif /*__SYMBIAN32__*/
sl@0:   g_log_set_always_fatal (g_log_set_always_fatal (G_LOG_FATAL_MASK) |
sl@0: 			  G_LOG_LEVEL_WARNING |
sl@0: 			  G_LOG_LEVEL_CRITICAL);
sl@0:   g_type_init ();
sl@0: 
sl@0:   /* Register BaseObject */
sl@0:   BASE_TYPE_OBJECT;
sl@0:   
sl@0:   add_base_interface (BASE_TYPE_OBJECT, TEST_TYPE_IFACE5);
sl@0: 
sl@0:   /* Class init BaseObject */
sl@0:   g_type_class_ref (BASE_TYPE_OBJECT);
sl@0:   
sl@0:   add_base_interface (BASE_TYPE_OBJECT, TEST_TYPE_IFACE1);
sl@0: 
sl@0:   /* Register DerivedObject */
sl@0:   DERIVED_TYPE_OBJECT;
sl@0: 
sl@0:   add_base_interface (BASE_TYPE_OBJECT, TEST_TYPE_IFACE2);
sl@0:   add_derived_interface (DERIVED_TYPE_OBJECT, TEST_TYPE_IFACE5);
sl@0: 
sl@0:   /* Class init DerivedObject */
sl@0:   g_type_class_ref (DERIVED_TYPE_OBJECT);
sl@0:   
sl@0:   add_base_interface (BASE_TYPE_OBJECT, TEST_TYPE_IFACE4);
sl@0: 
sl@0:   /* Check that all the non-overridden interfaces were properly inherited
sl@0:    */
sl@0:   g_assert (interface_is_base (DERIVED_TYPE_OBJECT, TEST_TYPE_IFACE1));
sl@0:   g_assert (interface_is_base (DERIVED_TYPE_OBJECT, TEST_TYPE_IFACE2));
sl@0:   g_assert (interface_is_base (DERIVED_TYPE_OBJECT, TEST_TYPE_IFACE3));
sl@0:   g_assert (interface_is_base (DERIVED_TYPE_OBJECT, TEST_TYPE_IFACE4));
sl@0: 
sl@0:   /* Check that all the overridden interfaces were properly overridden
sl@0:    */
sl@0:   g_assert (interface_is_derived (DERIVED_TYPE_OBJECT, TEST_TYPE_IFACE5));
sl@0: 
sl@0: #ifdef __SYMBIAN32__
sl@0: testResultXml("ifaceinherit");
sl@0: #endif // __SYMBIAN32__
sl@0:   return 0;
sl@0: }