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/* Regression test for atomic ops
*
* Author: Simon McVittie <simon.mcvittie@collabora.co.uk>
* Copyright © 2013 Collabora Ltd.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <config.h>
#include <dbus/dbus.h>
#include <dbus/dbus-internals.h>
#include <dbus/dbus-sysdeps.h>
#include <dbus/dbus-test-tap.h>
#include <test/test-utils.h>
static dbus_bool_t
atomic_test_inc_dec (const char *test_data_dir _DBUS_GNUC_UNUSED)
{
DBusAtomic a = { 0 };
DBusAtomic b = { 123 };
dbus_int32_t old;
_dbus_test_check (_dbus_atomic_get (&a) == 0);
_dbus_test_check (_dbus_atomic_get (&b) == 123);
_dbus_test_check (a.value == 0);
old = _dbus_atomic_dec (&a);
_dbus_test_check (old == 0);
_dbus_test_check (a.value == -1);
_dbus_test_check (b.value == 123);
old = _dbus_atomic_inc (&b);
_dbus_test_check (old == 123);
_dbus_test_check (b.value == 124);
return TRUE;
}
static dbus_bool_t
atomic_test_zero (const char *test_data_dir _DBUS_GNUC_UNUSED)
{
DBusAtomic a = { 0 };
DBusAtomic b = { 123 };
_dbus_atomic_set_nonzero (&a);
/* careful: this is not necessarily 1 */
_dbus_test_check (a.value != 0);
_dbus_atomic_set_nonzero (&b);
_dbus_test_check (b.value != 0);
_dbus_atomic_set_zero (&a);
_dbus_test_check (a.value == 0);
_dbus_atomic_set_zero (&b);
_dbus_test_check (b.value == 0);
return TRUE;
}
static DBusTestCase tests[] =
{
{ "atomic_inc/dec", atomic_test_inc_dec },
{ "atomic_set_[non]zero", atomic_test_zero },
{ NULL }
};
int
main (int argc, char **argv)
{
return _dbus_test_main (argc, argv, _DBUS_N_ELEMENTS (tests), tests,
DBUS_TEST_FLAGS_NONE,
NULL, NULL);
}
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