/*
* Copyright (c) 2012 Aleksey Shipilev
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.shipilev.concurrent.torture.tests.atomics;
import net.shipilev.concurrent.torture.tests.TwoActorsOneArbiterTest;
import java.util.concurrent.atomic.AtomicInteger;
/**
* Tests the atomicity of AtomicInteger.compareAndSet.
*
* @author Aleksey Shipilev (aleksey.shipilev@oracle.com)
*/
public class AtomicIntegerCASTest implements TwoActorsOneArbiterTest<AtomicInteger> {
@Override
public void actor1(AtomicInteger s) {
s.compareAndSet(0, 1);
}
@Override
public void actor2(AtomicInteger s) {
s.compareAndSet(0, 2);
}
@Override
public void arbitrate(AtomicInteger s, byte[] result) {
result[0] = (byte) s.get();
}
@Override
public AtomicInteger newState() {
return new AtomicInteger();
}
@Override
public int resultSize() {
return 1;
}
}