glib/tests/gobject/defaultiface.c

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/* 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 "TestDefaultIface"
#undef G_DISABLE_ASSERT
#undef G_DISABLE_CHECKS
#undef G_DISABLE_CAST_CHECKS
#include <glib-object.h>
#include "testcommon.h"
#include "testmodule.h"
/* This test tests getting the default vtable for an interface
* and the initialization and finalization of such default
* interfaces.
*
* We test this both for static and for dynamic interfaces.
*/
/**********************************************************************
* Static interface tests
**********************************************************************/
typedef struct _TestStaticIfaceClass TestStaticIfaceClass;
struct _TestStaticIfaceClass
{
GTypeInterface base_iface;
guint val;
};
GType test_static_iface_get_type (void);
#define TEST_TYPE_STATIC_IFACE (test_static_iface_get_type ())
static void
test_static_iface_default_init (TestStaticIfaceClass *iface)
{
iface->val = 42;
}
DEFINE_IFACE (TestStaticIface, test_static_iface,
NULL, test_static_iface_default_init)
static void
test_static_iface (void)
{
TestStaticIfaceClass *static_iface;
/* Not loaded until we call ref for the first time */
static_iface = g_type_default_interface_peek (TEST_TYPE_STATIC_IFACE);
g_assert (static_iface == NULL);
/* Ref loads */
static_iface = g_type_default_interface_ref (TEST_TYPE_STATIC_IFACE);
g_assert (static_iface && static_iface->val == 42);
/* Peek then works */
static_iface = g_type_default_interface_peek (TEST_TYPE_STATIC_IFACE);
g_assert (static_iface && static_iface->val == 42);
/* Unref does nothing */
g_type_default_interface_unref (static_iface);
/* And peek still works */
static_iface = g_type_default_interface_peek (TEST_TYPE_STATIC_IFACE);
g_assert (static_iface && static_iface->val == 42);
}
/**********************************************************************
* Dynamic interface tests
**********************************************************************/
typedef struct _TestDynamicIfaceClass TestDynamicIfaceClass;
struct _TestDynamicIfaceClass
{
GTypeInterface base_iface;
guint val;
};
static GType test_dynamic_iface_type;
static gboolean dynamic_iface_init = FALSE;
#define TEST_TYPE_DYNAMIC_IFACE (test_dynamic_iface_type)
static void
test_dynamic_iface_default_init (TestStaticIfaceClass *iface)
{
dynamic_iface_init = TRUE;
iface->val = 42;
}
static void
test_dynamic_iface_default_finalize (TestStaticIfaceClass *iface)
{
dynamic_iface_init = FALSE;
}
static void
test_dynamic_iface_register (GTypeModule *module)
{
const GTypeInfo iface_info =
{
sizeof (TestDynamicIfaceClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) test_dynamic_iface_default_init,
(GClassFinalizeFunc) test_dynamic_iface_default_finalize
};
test_dynamic_iface_type = g_type_module_register_type (module, G_TYPE_INTERFACE,
"TestDynamicIface", &iface_info, 0);
}
static void
module_register (GTypeModule *module)
{
test_dynamic_iface_register (module);
}
static void
test_dynamic_iface (void)
{
TestDynamicIfaceClass *dynamic_iface;
test_module_new (module_register);
/* Not loaded until we call ref for the first time */
dynamic_iface = g_type_default_interface_peek (TEST_TYPE_DYNAMIC_IFACE);
g_assert (dynamic_iface == NULL);
/* Ref loads */
dynamic_iface = g_type_default_interface_ref (TEST_TYPE_DYNAMIC_IFACE);
g_assert (dynamic_iface_init);
g_assert (dynamic_iface && dynamic_iface->val == 42);
/* Peek then works */
dynamic_iface = g_type_default_interface_peek (TEST_TYPE_DYNAMIC_IFACE);
g_assert (dynamic_iface && dynamic_iface->val == 42);
/* Unref causes finalize */
g_type_default_interface_unref (dynamic_iface);
#if 0
g_assert (!dynamic_iface_init);
#endif
/* Peek returns NULL */
dynamic_iface = g_type_default_interface_peek (TEST_TYPE_DYNAMIC_IFACE);
#if 0
g_assert (dynamic_iface == NULL);
#endif
/* Ref reloads */
dynamic_iface = g_type_default_interface_ref (TEST_TYPE_DYNAMIC_IFACE);
g_assert (dynamic_iface_init);
g_assert (dynamic_iface && dynamic_iface->val == 42);
/* And Unref causes finalize once more*/
g_type_default_interface_unref (dynamic_iface);
#if 0
g_assert (!dynamic_iface_init);
#endif
}
int
main (int argc,
char *argv[])
{
g_log_set_always_fatal (g_log_set_always_fatal (G_LOG_FATAL_MASK) |
G_LOG_LEVEL_WARNING |
G_LOG_LEVEL_CRITICAL);
test_static_iface ();
test_dynamic_iface ();
return 0;
}