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test_atomic.cc
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test_atomic.cc
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// Copyright (c) 2014 Baidu.com, Inc. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Author: qinzuoyan01@baidu.com (Qin Zuoyan)
#include <gtest/gtest.h>
#include <sofa/pbrpc/atomic.h>
using namespace sofa::pbrpc;
class AtomicTest: public ::testing::Test {};
TEST_F(AtomicTest, test)
{
const int g = 1024 * 1024 * 1024;
int a = 10;
ASSERT_EQ(10, atomic_add_ret_old(&a, 5));
ASSERT_EQ(15, a);
ASSERT_EQ(15, atomic_add_ret_old(&a, -10));
ASSERT_EQ(5, a);
ASSERT_EQ(5, atomic_add_ret_old(&a, -5));
ASSERT_EQ(0, a);
ASSERT_EQ(0, atomic_add_ret_old(&a, -5));
ASSERT_EQ(-5, a);
ASSERT_EQ(-5, atomic_add_ret_old(&a, 5));
ASSERT_EQ(0, a);
ASSERT_EQ(0, atomic_add_ret_old(&a, g));
ASSERT_EQ(g, a);
ASSERT_EQ(g, atomic_add_ret_old(&a, -g * 2));
ASSERT_EQ(-g, a);
ASSERT_EQ(-g, atomic_swap(&a, 0));
ASSERT_EQ(0, a);
ASSERT_EQ(0, atomic_comp_swap(&a, 1, 1));
ASSERT_EQ(0, a);
ASSERT_EQ(0, atomic_comp_swap(&a, 1, 0));
ASSERT_EQ(1, a);
}
int main(int argc, char **argv)
{
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
/* vim: set ts=4 sw=4 sts=4 tw=100 */