jaroslav@1338: /**
jaroslav@1338:  * Back 2 Browser Bytecode Translator
jaroslav@1787:  * Copyright (C) 2012-2015 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
jaroslav@1338:  *
jaroslav@1338:  * This program is free software: you can redistribute it and/or modify
jaroslav@1338:  * it under the terms of the GNU General Public License as published by
jaroslav@1338:  * the Free Software Foundation, version 2 of the License.
jaroslav@1338:  *
jaroslav@1338:  * This program is distributed in the hope that it will be useful,
jaroslav@1338:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
jaroslav@1338:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
jaroslav@1338:  * GNU General Public License for more details.
jaroslav@1338:  *
jaroslav@1338:  * You should have received a copy of the GNU General Public License
jaroslav@1338:  * along with this program. Look for COPYING file in the top folder.
jaroslav@1338:  * If not, see http://opensource.org/licenses/GPL-2.0.
jaroslav@1338:  */
jaroslav@1338: package org.apidesign.bck2brwsr.tck;
jaroslav@1338: 
jaroslav@1338: import java.util.concurrent.atomic.AtomicBoolean;
jaroslav@1338: import java.util.concurrent.atomic.AtomicInteger;
jaroslav@1779: import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
jaroslav@1779: import java.util.concurrent.atomic.AtomicLongFieldUpdater;
jaroslav@1338: import java.util.concurrent.atomic.AtomicReference;
jaroslav@1779: import java.util.concurrent.atomic.AtomicReferenceFieldUpdater;
jaroslav@1338: import org.apidesign.bck2brwsr.vmtest.Compare;
jaroslav@1338: import org.apidesign.bck2brwsr.vmtest.VMTest;
jaroslav@1338: import org.testng.annotations.Factory;
jaroslav@1338: 
jaroslav@1338: /**
jaroslav@1338:  *
jaroslav@1338:  * @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@1338:  */
jaroslav@1338: public class AtomicTest {
jaroslav@1779:     private volatile int intValue;
jaroslav@1779:     private static AtomicIntegerFieldUpdater<AtomicTest> intUpdater;
jaroslav@1779:     static AtomicIntegerFieldUpdater<AtomicTest> getIntUpdater() {
jaroslav@1779:         if (intUpdater == null) {
jaroslav@1779:             intUpdater = AtomicIntegerFieldUpdater.newUpdater(AtomicTest.class, "intValue");
jaroslav@1779:         }
jaroslav@1779:         return intUpdater;
jaroslav@1779:     }
jaroslav@1779:     private volatile long longValue;
jaroslav@1779:     private static AtomicLongFieldUpdater<AtomicTest> longUpdater;
jaroslav@1779:     static AtomicLongFieldUpdater<AtomicTest> getLongUpdater() {
jaroslav@1779:         if (longUpdater == null) {
jaroslav@1779:             longUpdater = AtomicLongFieldUpdater.newUpdater(AtomicTest.class, "longValue");
jaroslav@1779:         }
jaroslav@1779:         return longUpdater;
jaroslav@1779:     }
jaroslav@1779:     private volatile Number refValue;
jaroslav@1779:     private static AtomicReferenceFieldUpdater<AtomicTest,Number> refUpdater;
jaroslav@1779:     static AtomicReferenceFieldUpdater<AtomicTest,Number> getRefUpdater() {
jaroslav@1779:         if (refUpdater == null) {
jaroslav@1779:             refUpdater = AtomicReferenceFieldUpdater.newUpdater(AtomicTest.class, Number.class, "refValue");
jaroslav@1779:         }
jaroslav@1779:         return refUpdater;
jaroslav@1779:     }
jaroslav@1779:     
jaroslav@1338:     @Compare public boolean atomicBoolean() {
jaroslav@1338:         AtomicBoolean ab = new AtomicBoolean();
jaroslav@1338:         ab.set(true);
jaroslav@1338:         return ab.compareAndSet(true, false);
jaroslav@1338:     }
jaroslav@1338: 
jaroslav@1338:     @Compare public int atomicInt() {
jaroslav@1338:         AtomicInteger ab = new AtomicInteger();
jaroslav@1338:         ab.set(30);
jaroslav@1338:         assert ab.compareAndSet(30, 10);
jaroslav@1338:         return ab.get();
jaroslav@1338:     }
jaroslav@1338:     
jaroslav@1338:     @Compare public String atomicRef() {
jaroslav@1338:         AtomicReference<String> ar = new AtomicReference<String>("Ahoj");
jaroslav@1338:         assert ar.compareAndSet("Ahoj", "Hello");
jaroslav@1338:         return ar.getAndSet("Other");
jaroslav@1338:     }
jaroslav@1338:     
jaroslav@1779:     @Compare public int intUpdater() {
jaroslav@1779:         intValue = Integer.MAX_VALUE / 2;
jaroslav@1779:         final AtomicIntegerFieldUpdater<AtomicTest> u = getIntUpdater();
jaroslav@1779:         u.compareAndSet(this, 0, 10);
jaroslav@1779:         u.addAndGet(this, 3);
jaroslav@1779:         int thirteen = u.getAndAdd(this, 7);
jaroslav@1779:         return thirteen + u.get(this);
jaroslav@1779:     }
jaroslav@1779: 
jaroslav@1779:     @Compare public long longUpdater() {
jaroslav@1779:         longValue = Long.MAX_VALUE / 2;
jaroslav@1779:         final AtomicLongFieldUpdater<AtomicTest> u = getLongUpdater();
jaroslav@1779:         u.compareAndSet(this, 0, 10);
jaroslav@1779:         u.addAndGet(this, 3);
jaroslav@1779:         long thirteen = u.getAndAdd(this, 7);
jaroslav@1779:         return thirteen + u.get(this);
jaroslav@1779:     }
jaroslav@1779: 
jaroslav@1779:     @Compare public int refUpdater() {
jaroslav@1779:         final AtomicReferenceFieldUpdater<AtomicTest,Number> u = getRefUpdater();
jaroslav@1779:         u.set(this, 0);
jaroslav@1779:         u.compareAndSet(this, 0, 10);
jaroslav@1779:         Number ten = u.getAndSet(this, 3);
jaroslav@1779:         return u.get(this).intValue() + ten.intValue();
jaroslav@1779:     }
jaroslav@1779:     
jaroslav@1338:     @Factory public static Object[] create() {
jaroslav@1338:         return VMTest.create(AtomicTest.class);
jaroslav@1338:     }
jaroslav@1338: }