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