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/* GObject - GLib Type, Object, Parameter and Signal Library
* Copyright (C) 2001, 2003 Red Hat, Inc.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* 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 2.1 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, see <http://www.gnu.org/licenses/>.
*/
#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_null (static_iface);
/* Ref loads */
static_iface = g_type_default_interface_ref (TEST_TYPE_STATIC_IFACE);
g_assert_nonnull (static_iface);
g_assert_cmpint (static_iface->val, ==, 42);
/* Peek then works */
static_iface = g_type_default_interface_peek (TEST_TYPE_STATIC_IFACE);
g_assert_nonnull (static_iface);
g_assert_cmpint (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_nonnull (static_iface);
g_assert_cmpint (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,
NULL,
0,
0,
NULL,
NULL
};
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_null (dynamic_iface);
/* Ref loads */
dynamic_iface = g_type_default_interface_ref (TEST_TYPE_DYNAMIC_IFACE);
g_assert_true (dynamic_iface_init);
g_assert_nonnull (dynamic_iface);
g_assert_cmpint (dynamic_iface->val, ==, 42);
/* Peek then works */
dynamic_iface = g_type_default_interface_peek (TEST_TYPE_DYNAMIC_IFACE);
g_assert_nonnull (dynamic_iface);
g_assert_cmpint (dynamic_iface->val, ==, 42);
/* Unref causes finalize */
g_type_default_interface_unref (dynamic_iface);
#if 0
/* Disabled as unloading dynamic types is disabled.
* See https://gitlab.gnome.org/GNOME/glib/-/issues/667 */
g_assert_false (dynamic_iface_init);
#endif
/* Peek returns NULL */
dynamic_iface = g_type_default_interface_peek (TEST_TYPE_DYNAMIC_IFACE);
#if 0
/* Disabled as unloading dynamic types is disabled.
* See https://gitlab.gnome.org/GNOME/glib/-/issues/667 */
g_assert_null (dynamic_iface);
#endif
/* Ref reloads */
dynamic_iface = g_type_default_interface_ref (TEST_TYPE_DYNAMIC_IFACE);
g_assert_true (dynamic_iface_init);
g_assert_nonnull (dynamic_iface);
g_assert_cmpint (dynamic_iface->val, ==, 42);
/* And Unref causes finalize once more*/
g_type_default_interface_unref (dynamic_iface);
#if 0
/* Disabled as unloading dynamic types is disabled.
* See https://gitlab.gnome.org/GNOME/glib/-/issues/667 */
g_assert_false (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);
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/gobject/static-iface", test_static_iface);
g_test_add_func ("/gobject/dynamic-iface", test_dynamic_iface);
return g_test_run ();
}
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