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/*************************************************************************
* Copyright (C) 2012 Tavian Barnes <tavianator@tavianator.com> *
* *
* This file is part of The Dimension Test Suite. *
* *
* The Dimension Test Suite is free software; you can redistribute it *
* and/or modify it under the terms of the GNU General Public License as *
* published by the Free Software Foundation; either version 3 of the *
* License, or (at your option) any later version. *
* *
* The Dimension Test Suite 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 *
* General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
*************************************************************************/
/**
* @file
* Tests for the reference counting implementation.
*/
#include "dimension-internal.h"
#include "tests.h"
typedef struct dmnsn_foo {
DMNSN_REFCOUNT;
} dmnsn_foo;
static dmnsn_foo *
dmnsn_new_foo(void)
{
dmnsn_foo *foo = dmnsn_malloc(sizeof(dmnsn_foo));
DMNSN_REFCOUNT_INIT(foo);
return foo;
}
static void
dmnsn_delete_foo(dmnsn_foo *foo)
{
if (DMNSN_DECREF(foo)) {
dmnsn_free(foo);
}
}
static dmnsn_foo dmnsn_global_foo = {
DMNSN_REFCOUNT_INITIALIZER,
};
DMNSN_TEST(refcount, inc_dec)
{
dmnsn_foo *foo = dmnsn_new_foo();
DMNSN_INCREF(foo);
dmnsn_delete_foo(foo);
dmnsn_delete_foo(foo);
}
DMNSN_TEST(refcount, decref_null)
{
dmnsn_foo *foo = NULL;
ck_assert(!DMNSN_DECREF(foo));
}
DMNSN_TEST(refcount, global)
{
/* Suppress "address will always evaluate to true" warning */
dmnsn_foo *global = &dmnsn_global_foo;
DMNSN_INCREF(global);
ck_assert(!DMNSN_DECREF(global));
}
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