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/*
* extension-lua.c
* This file is part of libpeas
*
* Copyright (C) 2014 - Garrett Regier
*
* libpeas 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.
*
* libpeas 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <lua.h>
#include <lauxlib.h>
#include <libpeas/peas-activatable.h>
#include "libpeas/peas-engine-priv.h"
#include "testing/testing-extension.h"
#include "introspection/introspection-base.h"
/* We must stop and start the garbage collector
* when testing reference counts otherwise issues
* will occur if the garbage collector runs preemptively.
*/
static void
set_garbage_collector_state (PeasEngine *engine,
PeasPluginInfo *info,
gboolean start)
{
PeasExtension *extension;
extension = peas_engine_create_extension (engine, info,
PEAS_TYPE_ACTIVATABLE,
NULL);
if (start)
{
/* collectgarbage('restart') */
peas_activatable_activate (PEAS_ACTIVATABLE (extension));
}
else
{
/* collectgarbage('stop') */
peas_activatable_deactivate (PEAS_ACTIVATABLE (extension));
}
g_object_unref (extension);
}
static void
test_extension_lua_instance_refcount (PeasEngine *engine,
PeasPluginInfo *info)
{
PeasExtension *extension;
set_garbage_collector_state (engine, info, FALSE);
extension = peas_engine_create_extension (engine, info,
PEAS_TYPE_ACTIVATABLE,
NULL);
g_object_add_weak_pointer (extension, (gpointer *) &extension);
g_assert (PEAS_IS_EXTENSION (extension));
/* The Lua wrapper created around the extension
* object should have increased its refcount by 1.
*/
g_assert_cmpint (extension->ref_count, ==, 2);
/* The Lua wrapper around the extension has been garbage collected */
peas_engine_garbage_collect (engine);
g_assert_cmpint (G_OBJECT (extension)->ref_count, ==, 1);
/* Create a new Lua wrapper around the extension */
peas_activatable_update_state (PEAS_ACTIVATABLE (extension));
g_assert_cmpint (G_OBJECT (extension)->ref_count, ==, 2);
/* The Lua wrapper still exists */
g_object_unref (extension);
g_assert_cmpint (extension->ref_count, ==, 1);
/* The Lua wrapper around the extension has been garbage collected */
peas_engine_garbage_collect (engine);
g_assert (extension == NULL);
set_garbage_collector_state (engine, info, TRUE);
}
static void
test_extension_lua_activatable_subject_refcount (PeasEngine *engine,
PeasPluginInfo *info)
{
PeasExtension *extension;
GObject *object;
set_garbage_collector_state (engine, info, FALSE);
/* Create the 'object' property value, to be similar to a GtkWindow
* instance: a sunk GInitiallyUnowned object.
*/
object = g_object_new (G_TYPE_INITIALLY_UNOWNED, NULL);
g_object_add_weak_pointer (object, (gpointer *) &object);
g_object_ref_sink (object);
g_assert_cmpint (object->ref_count, ==, 1);
/* We pre-create the wrapper to make it easier to check reference count */
extension = peas_engine_create_extension (engine, info,
PEAS_TYPE_ACTIVATABLE,
"object", object,
NULL);
g_object_add_weak_pointer (extension, (gpointer *) &extension);
g_assert (PEAS_IS_EXTENSION (extension));
/* The Lua wrapper created around our dummy
* object should have increased its refcount by 1.
*/
peas_engine_garbage_collect (engine);
g_assert_cmpint (object->ref_count, ==, 2);
g_object_unref (extension);
g_assert (extension == NULL);
/* We unreffed the extension, so it should have been
* destroyed and our dummy object's refcount should be back to 1.
*/
peas_engine_garbage_collect (engine);
g_assert_cmpint (object->ref_count, ==, 1);
g_object_unref (object);
g_assert (object == NULL);
set_garbage_collector_state (engine, info, TRUE);
}
static void
test_extension_lua_nonexistent (PeasEngine *engine)
{
PeasPluginInfo *info;
testing_util_push_log_hook ("Error loading plugin "
"'extension-lua51-nonexistent'*");
info = peas_engine_get_plugin_info (engine, "extension-lua51-nonexistent");
g_assert (!peas_engine_load_plugin (engine, info));
}
int
main (int argc,
char *argv[])
{
testing_init (&argc, &argv);
/* Only test the basics */
testing_extension_basic ("lua5.1");
/* We still need to add the callable tests
* because of peas_extension_call()
*/
testing_extension_callable ("lua5.1");
#undef EXTENSION_TEST
#undef EXTENSION_TEST_FUNC
#define EXTENSION_TEST(loader, path, func) \
testing_extension_add (EXTENSION_TEST_NAME (loader, path), \
(gpointer) test_extension_lua_##func)
#define EXTENSION_TEST_FUNC(loader, path, func) \
g_test_add_func (EXTENSION_TEST_NAME (loader, path), \
(gpointer) test_extension_lua_##func)
EXTENSION_TEST (lua5.1, "instance-refcount", instance_refcount);
EXTENSION_TEST (lua5.1, "activatable-subject-refcount",
activatable_subject_refcount);
EXTENSION_TEST (lua5.1, "nonexistent", nonexistent);
return testing_extension_run_tests ();
}
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