/*
 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
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 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 * 
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 * 
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 * 
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package org.openjdk.tests.java.util.concurrent;

import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicReference;
import java.util.functions.IntUnaryOperator;
import java.util.functions.UnaryOperator;
import org.testng.annotations.Test;
import static org.testng.Assert.*;

/**
 *
 * @author Jim Gish <jim.gish@oracle.com>
 */
@Test
public class AtomicReferenceTest {
    
    public AtomicReferenceTest() {
    }

    /**
     * Test of updateAndGet method, of class AtomicReference.
     */
    public void testUpdateAndGet() {
        System.out.println("getAndUpdate");
        UnaryOperator<Integer> op = (x -> x + 2);
        AtomicReference instance = new AtomicReference(new Integer(3));
        Object expResult = 4;
        Object result = instance.updateAndGet( op );
        assertEquals(result, expResult);
    }

    /**
     * Test of getAndUpdate method, of class AtomicReference.
     */
    public void testGetAndUpdate() {
        System.out.println("getAndUpdate");
        UnaryOperator<Integer> op = (x -> x + 3);
        AtomicReference instance = new AtomicReference(new Integer(3));
        Object expResult = 3;
        Object result = instance.getAndUpdate( op );
        assertEquals(result, expResult);
    }

}