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/*
* Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* 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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 6275329
* @summary lazySet methods
*/
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicIntegerArray;
import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.atomic.AtomicLongArray;
import java.util.concurrent.atomic.AtomicLongFieldUpdater;
import java.util.concurrent.atomic.AtomicReference;
import java.util.concurrent.atomic.AtomicReferenceArray;
import java.util.concurrent.atomic.AtomicReferenceFieldUpdater;
public class Lazy {
volatile int ii;
volatile long ll;
volatile Boolean bb;
static final Lazy z = new Lazy();
public static void main(String[] args) throws Exception {
final AtomicBoolean b = new AtomicBoolean();
final AtomicInteger i = new AtomicInteger();
final AtomicLong l = new AtomicLong();
final AtomicReference<Long> r = new AtomicReference<>();
final AtomicIntegerArray ia = new AtomicIntegerArray(1);
final AtomicLongArray la = new AtomicLongArray(1);
final AtomicReferenceArray<Long> ra = new AtomicReferenceArray<>(1);
final AtomicIntegerFieldUpdater<Lazy> iu =
AtomicIntegerFieldUpdater.newUpdater(Lazy.class, "ii");
final AtomicLongFieldUpdater<Lazy> lu =
AtomicLongFieldUpdater.newUpdater(Lazy.class, "ll");
final AtomicReferenceFieldUpdater<Lazy,Boolean> ru =
AtomicReferenceFieldUpdater.newUpdater(Lazy.class,
Boolean.class, "bb");
Thread[] threads = {
new Thread() { public void run() { b.lazySet(true); }},
new Thread() { public void run() { i.lazySet(2); }},
new Thread() { public void run() { l.lazySet(3L); }},
new Thread() { public void run() { r.lazySet(9L); }},
new Thread() { public void run() { ia.lazySet(0,4); }},
new Thread() { public void run() { la.lazySet(0,5L); }},
new Thread() { public void run() { ra.lazySet(0,6L); }},
new Thread() { public void run() { iu.lazySet(z,7); }},
new Thread() { public void run() { lu.lazySet(z,8L); }},
new Thread() { public void run() { ru.lazySet(z,true); }}};
for (Thread t : threads) t.start();
for (Thread t : threads) t.join();
if (! (b.get() == true &&
i.get() == 2 &&
l.get() == 3L &&
r.get() == 9L &&
ia.get(0) == 4 &&
la.get(0) == 5L &&
ra.get(0) == 6L &&
z.ii == 7 &&
z.ll == 8L &&
z.bb == true))
throw new Exception("lazySet failed");
}
}
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