93 lines
3.9 KiB
Java
93 lines
3.9 KiB
Java
/*
|
|
* 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");
|
|
}
|
|
}
|