/* GObject - GLib Type, Object, Parameter and Signal Library

 * Copyright (C) 2001, 2003 Red Hat, Inc.

 * Portion Copyright © 2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.

 * 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 "TestIfaceInherit"

#undef G_DISABLE_ASSERT

#undef G_DISABLE_CHECKS

#undef G_DISABLE_CAST_CHECKS

#include <glib-object.h>

#include "testcommon.h"

#include "testmodule.h"

#ifdef SYMBIAN

#include "mrt2_glib2_test.h"

#endif // SYMBIAN

/* This test tests inheritance of interface. We two object

 * class BaseObject and DerivedObject we add an interface

 * to BaseObject:

 *

 * I1) Before DerivedObject is registered

 * I2) After DerivedObject is registered, but before

 *     DerivedObject is class initialized

 * I3) During DerivedObject's class_init

 * I4) After DerivedObject's class init

 *

 * We also do some tests of overriding.

 * 

 * I5) We add an interface to BaseObject, then add the same

 *     interface to DerivedObject. (Note that this is only legal

 *     before DerivedObject's class_init; the results of

 *     g_type_interface_peek() are not allowed to change from one

 *     non-NULL vtable to another non-NULL vtable)

 */

/*

 * BaseObject, a parent class for DerivedObject

 */

#define BASE_TYPE_OBJECT          (base_object_get_type ())

typedef struct _BaseObject        BaseObject;

typedef struct _BaseObjectClass   BaseObjectClass;

struct _BaseObject

{

  GObject parent_instance;

};

struct _BaseObjectClass

{

  GObjectClass parent_class;

};

static GType base_object_get_type ();

static GType derived_object_get_type ();

/*

 * DerivedObject, the child class of DerivedObject

 */

#define DERIVED_TYPE_OBJECT          (derived_object_get_type ())

typedef struct _DerivedObject        DerivedObject;

typedef struct _DerivedObjectClass   DerivedObjectClass;

struct _DerivedObject

{

  BaseObject parent_instance;

};

struct _DerivedObjectClass

{

  BaseObjectClass parent_class;

};

/*

 * The interfaces

 */

typedef struct _TestIfaceClass TestIfaceClass;

typedef struct _TestIfaceClass TestIface1Class;

typedef struct _TestIfaceClass TestIface2Class;

typedef struct _TestIfaceClass TestIface3Class;

typedef struct _TestIfaceClass TestIface4Class;

typedef struct _TestIfaceClass TestIface5Class;

struct _TestIfaceClass

{

  GTypeInterface base_iface;

  guint val;

};

#define TEST_TYPE_IFACE1 (test_iface1_get_type ())

#define TEST_TYPE_IFACE2 (test_iface2_get_type ())

#define TEST_TYPE_IFACE3 (test_iface3_get_type ())

#define TEST_TYPE_IFACE4 (test_iface4_get_type ())

#define TEST_TYPE_IFACE5 (test_iface5_get_type ())

static DEFINE_IFACE (TestIface1, test_iface1,  NULL, NULL)

static DEFINE_IFACE (TestIface2, test_iface2,  NULL, NULL)

static DEFINE_IFACE (TestIface3, test_iface3,  NULL, NULL)

static DEFINE_IFACE (TestIface4, test_iface4,  NULL, NULL)

static DEFINE_IFACE (TestIface5, test_iface5,  NULL, NULL)

static void

add_interface (GType              object_type,

	       GType              iface_type,

	       GInterfaceInitFunc init_func)

{

  GInterfaceInfo iface_info = {	NULL, NULL, NULL };

  iface_info.interface_init = init_func;

  g_type_add_interface_static (object_type, iface_type, &iface_info);

}

static void

init_base_interface (TestIfaceClass *iface)

{

  iface->val = 21;

}

static void

add_base_interface (GType object_type,

		    GType iface_type)

{

  add_interface (object_type, iface_type,

		 (GInterfaceInitFunc)init_base_interface);

}

static gboolean

interface_is_base (GType object_type,

		   GType iface_type)

{

  gpointer g_class = g_type_class_peek (object_type);

  TestIfaceClass *iface = g_type_interface_peek (g_class, iface_type);

  return iface && iface->val == 21;

}

static void

init_derived_interface (TestIfaceClass *iface)

{

  iface->val = 42;

}

static void

add_derived_interface (GType object_type,

		       GType iface_type)

{

  add_interface (object_type, iface_type,

		 (GInterfaceInitFunc)init_derived_interface);

}

static gboolean

interface_is_derived (GType object_type,

		      GType iface_type)

{

  gpointer g_class = g_type_class_peek (object_type);

  TestIfaceClass *iface = g_type_interface_peek (g_class, iface_type);

  return iface && iface->val == 42;

}

static void

derived_object_class_init (BaseObjectClass *class)

{

  add_base_interface (BASE_TYPE_OBJECT, TEST_TYPE_IFACE3);

}

static DEFINE_TYPE(BaseObject, base_object,

		   NULL, NULL, NULL,

		   G_TYPE_OBJECT)

static DEFINE_TYPE(DerivedObject, derived_object,

		   derived_object_class_init, NULL, NULL,

		   BASE_TYPE_OBJECT)

int

main (int   argc,

      char *argv[])

{

#ifdef SYMBIAN

  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);

  g_set_print_handler(mrtPrintHandler);

  #endif /*SYMBIAN*/

  g_log_set_always_fatal (g_log_set_always_fatal (G_LOG_FATAL_MASK) |

			  G_LOG_LEVEL_WARNING |

			  G_LOG_LEVEL_CRITICAL);

  g_type_init ();

  /* Register BaseObject */

  BASE_TYPE_OBJECT;

  add_base_interface (BASE_TYPE_OBJECT, TEST_TYPE_IFACE5);

  /* Class init BaseObject */

  g_type_class_ref (BASE_TYPE_OBJECT);

  add_base_interface (BASE_TYPE_OBJECT, TEST_TYPE_IFACE1);

  /* Register DerivedObject */

  DERIVED_TYPE_OBJECT;

  add_base_interface (BASE_TYPE_OBJECT, TEST_TYPE_IFACE2);

  add_derived_interface (DERIVED_TYPE_OBJECT, TEST_TYPE_IFACE5);

  /* Class init DerivedObject */

  g_type_class_ref (DERIVED_TYPE_OBJECT);

  add_base_interface (BASE_TYPE_OBJECT, TEST_TYPE_IFACE4);

  /* Check that all the non-overridden interfaces were properly inherited

   */

  g_assert (interface_is_base (DERIVED_TYPE_OBJECT, TEST_TYPE_IFACE1));

  g_assert (interface_is_base (DERIVED_TYPE_OBJECT, TEST_TYPE_IFACE2));

  g_assert (interface_is_base (DERIVED_TYPE_OBJECT, TEST_TYPE_IFACE3));

  g_assert (interface_is_base (DERIVED_TYPE_OBJECT, TEST_TYPE_IFACE4));

  /* Check that all the overridden interfaces were properly overridden

   */

  g_assert (interface_is_derived (DERIVED_TYPE_OBJECT, TEST_TYPE_IFACE5));

#ifdef SYMBIAN

testResultXml("ifaceinherit");

#endif // SYMBIAN

  return 0;

}