author | psandoz |
Mon, 10 Oct 2016 15:58:42 -0700 | |
changeset 41415 | 9c298252e385 |
parent 39725 | 9548f8d846e9 |
permissions | -rw-r--r-- |
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/* |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* This file is available under and governed by the GNU General Public |
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* License version 2 only, as published by the Free Software Foundation. |
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* However, the following notice accompanied the original version of this |
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* file: |
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* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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*/ |
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import java.util.concurrent.atomic.AtomicInteger; |
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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public class AtomicInteger9Test extends JSR166TestCase { |
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public static void main(String[] args) { |
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main(suite(), args); |
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} |
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public static Test suite() { |
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return new TestSuite(AtomicInteger9Test.class); |
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} |
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/** |
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* getPlain returns the last value set |
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*/ |
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public void testGetPlainSet() { |
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AtomicInteger ai = new AtomicInteger(1); |
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assertEquals(1, ai.getPlain()); |
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ai.set(2); |
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assertEquals(2, ai.getPlain()); |
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ai.set(-3); |
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assertEquals(-3, ai.getPlain()); |
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} |
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/** |
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* getOpaque returns the last value set |
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*/ |
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public void testGetOpaqueSet() { |
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AtomicInteger ai = new AtomicInteger(1); |
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assertEquals(1, ai.getOpaque()); |
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ai.set(2); |
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assertEquals(2, ai.getOpaque()); |
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ai.set(-3); |
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assertEquals(-3, ai.getOpaque()); |
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} |
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/** |
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* getAcquire returns the last value set |
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*/ |
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public void testGetAcquireSet() { |
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AtomicInteger ai = new AtomicInteger(1); |
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assertEquals(1, ai.getAcquire()); |
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ai.set(2); |
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assertEquals(2, ai.getAcquire()); |
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ai.set(-3); |
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assertEquals(-3, ai.getAcquire()); |
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} |
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/** |
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* get returns the last value setPlain |
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*/ |
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public void testGetSetPlain() { |
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AtomicInteger ai = new AtomicInteger(1); |
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assertEquals(1, ai.get()); |
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ai.setPlain(2); |
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assertEquals(2, ai.get()); |
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ai.setPlain(-3); |
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assertEquals(-3, ai.get()); |
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} |
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/** |
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* get returns the last value setOpaque |
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*/ |
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public void testGetSetOpaque() { |
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AtomicInteger ai = new AtomicInteger(1); |
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assertEquals(1, ai.get()); |
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ai.setOpaque(2); |
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assertEquals(2, ai.get()); |
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ai.setOpaque(-3); |
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assertEquals(-3, ai.get()); |
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} |
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/** |
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* get returns the last value setRelease |
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*/ |
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public void testGetSetRelease() { |
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AtomicInteger ai = new AtomicInteger(1); |
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assertEquals(1, ai.get()); |
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ai.setRelease(2); |
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assertEquals(2, ai.get()); |
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ai.setRelease(-3); |
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assertEquals(-3, ai.get()); |
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} |
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/** |
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* compareAndExchange succeeds in changing value if equal to |
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* expected else fails |
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*/ |
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public void testCompareAndExchange() { |
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AtomicInteger ai = new AtomicInteger(1); |
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assertEquals(1, ai.compareAndExchange(1, 2)); |
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assertEquals(2, ai.compareAndExchange(2, -4)); |
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assertEquals(-4, ai.get()); |
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assertEquals(-4, ai.compareAndExchange(-5, 7)); |
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assertEquals(-4, ai.get()); |
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assertEquals(-4, ai.compareAndExchange(-4, 7)); |
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assertEquals(7, ai.get()); |
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} |
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/** |
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* compareAndExchangeAcquire succeeds in changing value if equal to |
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* expected else fails |
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*/ |
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public void testCompareAndExchangeAcquire() { |
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AtomicInteger ai = new AtomicInteger(1); |
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assertEquals(1, ai.compareAndExchangeAcquire(1, 2)); |
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assertEquals(2, ai.compareAndExchangeAcquire(2, -4)); |
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assertEquals(-4, ai.get()); |
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assertEquals(-4, ai.compareAndExchangeAcquire(-5, 7)); |
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assertEquals(-4, ai.get()); |
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assertEquals(-4, ai.compareAndExchangeAcquire(-4, 7)); |
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assertEquals(7, ai.get()); |
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} |
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/** |
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* compareAndExchangeRelease succeeds in changing value if equal to |
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* expected else fails |
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*/ |
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public void testCompareAndExchangeRelease() { |
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AtomicInteger ai = new AtomicInteger(1); |
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assertEquals(1, ai.compareAndExchangeRelease(1, 2)); |
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assertEquals(2, ai.compareAndExchangeRelease(2, -4)); |
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assertEquals(-4, ai.get()); |
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assertEquals(-4, ai.compareAndExchangeRelease(-5, 7)); |
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assertEquals(-4, ai.get()); |
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assertEquals(-4, ai.compareAndExchangeRelease(-4, 7)); |
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assertEquals(7, ai.get()); |
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} |
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|
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/** |
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* repeated weakCompareAndSetPlain succeeds in changing value when equal |
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* to expected |
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*/ |
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public void testWeakCompareAndSetPlain() { |
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AtomicInteger ai = new AtomicInteger(1); |
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do {} while (!ai.weakCompareAndSetPlain(1, 2)); |
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do {} while (!ai.weakCompareAndSetPlain(2, -4)); |
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assertEquals(-4, ai.get()); |
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do {} while (!ai.weakCompareAndSetPlain(-4, 7)); |
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assertEquals(7, ai.get()); |
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} |
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|
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/** |
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* repeated weakCompareAndSetVolatile succeeds in changing value when equal |
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* to expected |
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*/ |
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public void testWeakCompareAndSetVolatile() { |
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AtomicInteger ai = new AtomicInteger(1); |
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do {} while (!ai.weakCompareAndSetVolatile(1, 2)); |
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do {} while (!ai.weakCompareAndSetVolatile(2, -4)); |
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assertEquals(-4, ai.get()); |
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do {} while (!ai.weakCompareAndSetVolatile(-4, 7)); |
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assertEquals(7, ai.get()); |
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} |
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|
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/** |
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* repeated weakCompareAndSetAcquire succeeds in changing value when equal |
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* to expected |
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*/ |
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public void testWeakCompareAndSetAcquire() { |
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AtomicInteger ai = new AtomicInteger(1); |
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do {} while (!ai.weakCompareAndSetAcquire(1, 2)); |
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do {} while (!ai.weakCompareAndSetAcquire(2, -4)); |
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assertEquals(-4, ai.get()); |
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do {} while (!ai.weakCompareAndSetAcquire(-4, 7)); |
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assertEquals(7, ai.get()); |
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} |
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|
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/** |
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* repeated weakCompareAndSetRelease succeeds in changing value when equal |
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* to expected |
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*/ |
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public void testWeakCompareAndSetRelease() { |
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AtomicInteger ai = new AtomicInteger(1); |
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do {} while (!ai.weakCompareAndSetRelease(1, 2)); |
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do {} while (!ai.weakCompareAndSetRelease(2, -4)); |
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assertEquals(-4, ai.get()); |
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do {} while (!ai.weakCompareAndSetRelease(-4, 7)); |
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assertEquals(7, ai.get()); |
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} |
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|
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} |