217 lines
7.4 KiB
Java
217 lines
7.4 KiB
Java
/*
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* This file is available under and governed by the GNU General Public
|
|
* License version 2 only, as published by the Free Software Foundation.
|
|
* However, the following notice accompanied the original version of this
|
|
* file:
|
|
*
|
|
* Written by Doug Lea with assistance from members of JCP JSR-166
|
|
* Expert Group and released to the public domain, as explained at
|
|
* http://creativecommons.org/publicdomain/zero/1.0/
|
|
*/
|
|
|
|
import java.util.concurrent.atomic.AtomicBoolean;
|
|
|
|
import junit.framework.Test;
|
|
import junit.framework.TestSuite;
|
|
|
|
public class AtomicBoolean9Test extends JSR166TestCase {
|
|
public static void main(String[] args) {
|
|
main(suite(), args);
|
|
}
|
|
public static Test suite() {
|
|
return new TestSuite(AtomicBoolean9Test.class);
|
|
}
|
|
|
|
/**
|
|
* getPlain returns the last value set
|
|
*/
|
|
public void testGetPlainSet() {
|
|
AtomicBoolean ai = new AtomicBoolean(true);
|
|
assertEquals(true, ai.getPlain());
|
|
ai.set(false);
|
|
assertEquals(false, ai.getPlain());
|
|
ai.set(true);
|
|
assertEquals(true, ai.getPlain());
|
|
}
|
|
|
|
/**
|
|
* getOpaque returns the last value set
|
|
*/
|
|
public void testGetOpaqueSet() {
|
|
AtomicBoolean ai = new AtomicBoolean(true);
|
|
assertEquals(true, ai.getOpaque());
|
|
ai.set(false);
|
|
assertEquals(false, ai.getOpaque());
|
|
ai.set(true);
|
|
assertEquals(true, ai.getOpaque());
|
|
}
|
|
|
|
/**
|
|
* getAcquire returns the last value set
|
|
*/
|
|
public void testGetAcquireSet() {
|
|
AtomicBoolean ai = new AtomicBoolean(true);
|
|
assertEquals(true, ai.getAcquire());
|
|
ai.set(false);
|
|
assertEquals(false, ai.getAcquire());
|
|
ai.set(true);
|
|
assertEquals(true, ai.getAcquire());
|
|
}
|
|
|
|
/**
|
|
* get returns the last value setPlain
|
|
*/
|
|
public void testGetSetPlain() {
|
|
AtomicBoolean ai = new AtomicBoolean(true);
|
|
assertEquals(true, ai.get());
|
|
ai.setPlain(false);
|
|
assertEquals(false, ai.get());
|
|
ai.setPlain(true);
|
|
assertEquals(true, ai.get());
|
|
}
|
|
|
|
/**
|
|
* get returns the last value setOpaque
|
|
*/
|
|
public void testGetSetOpaque() {
|
|
AtomicBoolean ai = new AtomicBoolean(true);
|
|
assertEquals(true, ai.get());
|
|
ai.setOpaque(false);
|
|
assertEquals(false, ai.get());
|
|
ai.setOpaque(true);
|
|
assertEquals(true, ai.get());
|
|
}
|
|
|
|
/**
|
|
* get returns the last value setRelease
|
|
*/
|
|
public void testGetSetRelease() {
|
|
AtomicBoolean ai = new AtomicBoolean(true);
|
|
assertEquals(true, ai.get());
|
|
ai.setRelease(false);
|
|
assertEquals(false, ai.get());
|
|
ai.setRelease(true);
|
|
assertEquals(true, ai.get());
|
|
}
|
|
|
|
/**
|
|
* compareAndExchange succeeds in changing value if equal to
|
|
* expected else fails
|
|
*/
|
|
public void testCompareAndExchange() {
|
|
AtomicBoolean ai = new AtomicBoolean(true);
|
|
assertEquals(true, ai.compareAndExchange(true, false));
|
|
assertEquals(false, ai.compareAndExchange(false, false));
|
|
assertEquals(false, ai.get());
|
|
assertEquals(false, ai.compareAndExchange(true, true));
|
|
assertEquals(false, ai.get());
|
|
assertEquals(false, ai.compareAndExchange(false, true));
|
|
assertEquals(true, ai.get());
|
|
}
|
|
|
|
/**
|
|
* compareAndExchangeAcquire succeeds in changing value if equal to
|
|
* expected else fails
|
|
*/
|
|
public void testCompareAndExchangeAcquire() {
|
|
AtomicBoolean ai = new AtomicBoolean(true);
|
|
assertEquals(true, ai.compareAndExchangeAcquire(true, false));
|
|
assertEquals(false, ai.compareAndExchangeAcquire(false, false));
|
|
assertEquals(false, ai.get());
|
|
assertEquals(false, ai.compareAndExchangeAcquire(true, true));
|
|
assertEquals(false, ai.get());
|
|
assertEquals(false, ai.compareAndExchangeAcquire(false, true));
|
|
assertEquals(true, ai.get());
|
|
}
|
|
|
|
/**
|
|
* compareAndExchangeRelease succeeds in changing value if equal to
|
|
* expected else fails
|
|
*/
|
|
public void testCompareAndExchangeRelease() {
|
|
AtomicBoolean ai = new AtomicBoolean(true);
|
|
assertEquals(true, ai.compareAndExchangeRelease(true, false));
|
|
assertEquals(false, ai.compareAndExchangeRelease(false, false));
|
|
assertEquals(false, ai.get());
|
|
assertEquals(false, ai.compareAndExchangeRelease(true, true));
|
|
assertEquals(false, ai.get());
|
|
assertEquals(false, ai.compareAndExchangeRelease(false, true));
|
|
assertEquals(true, ai.get());
|
|
}
|
|
|
|
/**
|
|
* repeated weakCompareAndSetPlain succeeds in changing value when equal
|
|
* to expected
|
|
*/
|
|
public void testWeakCompareAndSetPlain() {
|
|
AtomicBoolean ai = new AtomicBoolean(true);
|
|
do {} while (!ai.weakCompareAndSetPlain(true, false));
|
|
do {} while (!ai.weakCompareAndSetPlain(false, false));
|
|
assertFalse(ai.get());
|
|
do {} while (!ai.weakCompareAndSetPlain(false, true));
|
|
assertTrue(ai.get());
|
|
}
|
|
|
|
/**
|
|
* repeated weakCompareAndSetVolatile succeeds in changing value when equal
|
|
* to expected
|
|
*/
|
|
public void testWeakCompareAndSetVolatile() {
|
|
AtomicBoolean ai = new AtomicBoolean(true);
|
|
do {} while (!ai.weakCompareAndSetVolatile(true, false));
|
|
do {} while (!ai.weakCompareAndSetVolatile(false, false));
|
|
assertEquals(false, ai.get());
|
|
do {} while (!ai.weakCompareAndSetVolatile(false, true));
|
|
assertEquals(true, ai.get());
|
|
}
|
|
|
|
/**
|
|
* repeated weakCompareAndSetAcquire succeeds in changing value when equal
|
|
* to expected
|
|
*/
|
|
public void testWeakCompareAndSetAcquire() {
|
|
AtomicBoolean ai = new AtomicBoolean(true);
|
|
do {} while (!ai.weakCompareAndSetAcquire(true, false));
|
|
do {} while (!ai.weakCompareAndSetAcquire(false, false));
|
|
assertEquals(false, ai.get());
|
|
do {} while (!ai.weakCompareAndSetAcquire(false, true));
|
|
assertEquals(true, ai.get());
|
|
}
|
|
|
|
/**
|
|
* repeated weakCompareAndSetRelease succeeds in changing value when equal
|
|
* to expected
|
|
*/
|
|
public void testWeakCompareAndSetRelease() {
|
|
AtomicBoolean ai = new AtomicBoolean(true);
|
|
do {} while (!ai.weakCompareAndSetRelease(true, false));
|
|
do {} while (!ai.weakCompareAndSetRelease(false, false));
|
|
assertEquals(false, ai.get());
|
|
do {} while (!ai.weakCompareAndSetRelease(false, true));
|
|
assertEquals(true, ai.get());
|
|
}
|
|
|
|
}
|