| /* |
| * 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()); |
| } |
| |
| } |