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/* -*- mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2010 Stewart Smith
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <config.h>
#define BOOST_TEST_DYN_LINK
#include <boost/test/unit_test.hpp>
#include <drizzled/atomics.h>
using namespace drizzled;
BOOST_AUTO_TEST_SUITE(AtomicOperations)
BOOST_AUTO_TEST_CASE(fetch_and_store)
{
atomic<uint32_t> u235;
BOOST_REQUIRE_EQUAL(0, u235.fetch_and_store(1));
u235.fetch_and_store(15);
BOOST_REQUIRE_EQUAL(15, u235.fetch_and_store(100));
BOOST_REQUIRE_EQUAL(100, u235);
}
BOOST_AUTO_TEST_CASE(fetch_and_increment)
{
atomic<uint32_t> u235;
BOOST_REQUIRE_EQUAL(0, u235.fetch_and_increment());
BOOST_REQUIRE_EQUAL(1, u235);
}
BOOST_AUTO_TEST_CASE(fetch_and_add)
{
atomic<uint32_t> u235;
BOOST_REQUIRE_EQUAL(0, u235.fetch_and_add(2));
BOOST_REQUIRE_EQUAL(2, u235);
}
BOOST_AUTO_TEST_CASE(add_and_fetch)
{
atomic<uint32_t> u235;
BOOST_REQUIRE_EQUAL(10, u235.add_and_fetch(10));
BOOST_REQUIRE_EQUAL(10, u235);
}
BOOST_AUTO_TEST_CASE(fetch_and_decrement)
{
atomic<uint32_t> u235;
u235.fetch_and_store(15);
BOOST_REQUIRE_EQUAL(15, u235.fetch_and_decrement());
BOOST_REQUIRE_EQUAL(14, u235);
}
BOOST_AUTO_TEST_CASE(compare_and_swap)
{
atomic<uint32_t> u235;
u235.fetch_and_store(100);
BOOST_REQUIRE(not u235.compare_and_swap(42, 200));
BOOST_REQUIRE(u235.compare_and_swap(200, 100));
BOOST_REQUIRE_EQUAL(200, u235);
}
BOOST_AUTO_TEST_CASE(increment)
{
atomic<uint32_t> u235;
u235.fetch_and_store(200);
BOOST_REQUIRE_EQUAL(201, u235.increment());
}
BOOST_AUTO_TEST_CASE(decrement)
{
atomic<uint32_t> u235;
u235.fetch_and_store(200);
BOOST_REQUIRE_EQUAL(199, u235.decrement());
}
BOOST_AUTO_TEST_SUITE_END()
/* TODO: add tests for += and -= when supported */
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