/*

 * 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

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 */

/*

 * 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 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());

    }

}