test/jdk/java/util/concurrent/tck/AtomicReferenceArray9Test.java - platform/libcore - Git at Google

 /*
  * 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.AtomicReferenceArray;

 import junit.framework.Test;
 import junit.framework.TestSuite;

 public class AtomicReferenceArray9Test extends JSR166TestCase {
     public static void main(String[] args) {
         main(suite(), args);
     }
     public static Test suite() {
         return new TestSuite(AtomicReferenceArray9Test.class);
     }

     /**
      * get and set for out of bound indices throw IndexOutOfBoundsException
      */
     public void testIndexing() {
         AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
         for (int index : new int[] { -1, SIZE }) {
             final int j = index;
             final Runnable[] tasks = {
                 () -> aa.getPlain(j),
                 () -> aa.getOpaque(j),
                 () -> aa.getAcquire(j),
                 () -> aa.setPlain(j, null),
                 () -> aa.setOpaque(j, null),
                 () -> aa.setRelease(j, null),
                 () -> aa.compareAndExchange(j, null, null),
                 () -> aa.compareAndExchangeAcquire(j, null, null),
                 () -> aa.compareAndExchangeRelease(j, null, null),
                 () -> aa.weakCompareAndSetPlain(j, null, null),
                 () -> aa.weakCompareAndSetVolatile(j, null, null),
                 () -> aa.weakCompareAndSetAcquire(j, null, null),
                 () -> aa.weakCompareAndSetRelease(j, null, null),
             };

             assertThrows(IndexOutOfBoundsException.class, tasks);
         }
     }

     /**
      * getPlain returns the last value set
      */
     public void testGetPlainSet() {
         AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
         for (int i = 0; i < SIZE; i++) {
             aa.set(i, one);
             assertEquals(one, aa.getPlain(i));
             aa.set(i, two);
             assertEquals(two, aa.getPlain(i));
             aa.set(i, m3);
             assertEquals(m3, aa.getPlain(i));
         }
     }

     /**
      * getOpaque returns the last value set
      */
     public void testGetOpaqueSet() {
         AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
         for (int i = 0; i < SIZE; i++) {
             aa.set(i, one);
             assertEquals(one, aa.getOpaque(i));
             aa.set(i, two);
             assertEquals(two, aa.getOpaque(i));
             aa.set(i, m3);
             assertEquals(m3, aa.getOpaque(i));
         }
     }

     /**
      * getAcquire returns the last value set
      */
     public void testGetAcquireSet() {
         AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
         for (int i = 0; i < SIZE; i++) {
             aa.set(i, one);
             assertEquals(one, aa.getAcquire(i));
             aa.set(i, two);
             assertEquals(two, aa.getAcquire(i));
             aa.set(i, m3);
             assertEquals(m3, aa.getAcquire(i));
         }
     }

     /**
      * get returns the last value setPlain
      */
     public void testGetSetPlain() {
         AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
         for (int i = 0; i < SIZE; i++) {
             aa.setPlain(i, one);
             assertEquals(one, aa.get(i));
             aa.setPlain(i, two);
             assertEquals(two, aa.get(i));
             aa.setPlain(i, m3);
             assertEquals(m3, aa.get(i));
         }
     }

     /**
      * get returns the last value setOpaque
      */
     public void testGetSetOpaque() {
         AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
         for (int i = 0; i < SIZE; i++) {
             aa.setOpaque(i, one);
             assertEquals(one, aa.get(i));
             aa.setOpaque(i, two);
             assertEquals(two, aa.get(i));
             aa.setOpaque(i, m3);
             assertEquals(m3, aa.get(i));
         }
     }

     /**
      * get returns the last value setRelease
      */
     public void testGetSetRelease() {
         AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
         for (int i = 0; i < SIZE; i++) {
             aa.setRelease(i, one);
             assertEquals(one, aa.get(i));
             aa.setRelease(i, two);
             assertEquals(two, aa.get(i));
             aa.setRelease(i, m3);
             assertEquals(m3, aa.get(i));
         }
     }

     /**
      * compareAndExchange succeeds in changing value if equal to
      * expected else fails
      */
     public void testCompareAndExchange() {
         AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
         for (int i = 0; i < SIZE; i++) {
             aa.set(i, one);
             assertEquals(one, aa.compareAndExchange(i, one, two));
             assertEquals(two, aa.compareAndExchange(i, two, m4));
             assertEquals(m4, aa.get(i));
             assertEquals(m4, aa.compareAndExchange(i,m5, seven));
             assertEquals(m4, aa.get(i));
             assertEquals(m4, aa.compareAndExchange(i, m4, seven));
             assertEquals(seven, aa.get(i));
         }
     }

     /**
      * compareAndExchangeAcquire succeeds in changing value if equal to
      * expected else fails
      */
     public void testCompareAndExchangeAcquire() {
         AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
         for (int i = 0; i < SIZE; i++) {
             aa.set(i, one);
             assertEquals(one, aa.compareAndExchangeAcquire(i, one, two));
             assertEquals(two, aa.compareAndExchangeAcquire(i, two, m4));
             assertEquals(m4, aa.get(i));
             assertEquals(m4, aa.compareAndExchangeAcquire(i,m5, seven));
             assertEquals(m4, aa.get(i));
             assertEquals(m4, aa.compareAndExchangeAcquire(i, m4, seven));
             assertEquals(seven, aa.get(i));
         }
     }

     /**
      * compareAndExchangeRelease succeeds in changing value if equal to
      * expected else fails
      */
     public void testCompareAndExchangeRelease() {
         AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
         for (int i = 0; i < SIZE; i++) {
             aa.set(i, one);
             assertEquals(one, aa.compareAndExchangeRelease(i, one, two));
             assertEquals(two, aa.compareAndExchangeRelease(i, two, m4));
             assertEquals(m4, aa.get(i));
             assertEquals(m4, aa.compareAndExchangeRelease(i,m5, seven));
             assertEquals(m4, aa.get(i));
             assertEquals(m4, aa.compareAndExchangeRelease(i, m4, seven));
             assertEquals(seven, aa.get(i));
         }
     }

     /**
      * repeated weakCompareAndSetPlain succeeds in changing value when equal
      * to expected
      */
     public void testWeakCompareAndSetPlain() {
         AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
         for (int i = 0; i < SIZE; i++) {
             aa.set(i, one);
             do {} while (!aa.weakCompareAndSetPlain(i, one, two));
             do {} while (!aa.weakCompareAndSetPlain(i, two, m4));
             assertEquals(m4, aa.get(i));
             do {} while (!aa.weakCompareAndSetPlain(i, m4, seven));
             assertEquals(seven, aa.get(i));
         }
     }

     /**
      * repeated weakCompareAndSetVolatile succeeds in changing value when equal
      * to expected
      */
     public void testWeakCompareAndSetVolatile() {
         AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
         for (int i = 0; i < SIZE; i++) {
             aa.set(i, one);
             do {} while (!aa.weakCompareAndSetVolatile(i, one, two));
             do {} while (!aa.weakCompareAndSetVolatile(i, two, m4));
             assertEquals(m4, aa.get(i));
             do {} while (!aa.weakCompareAndSetVolatile(i, m4, seven));
             assertEquals(seven, aa.get(i));
         }
     }

     /**
      * repeated weakCompareAndSetAcquire succeeds in changing value when equal
      * to expected
      */
     public void testWeakCompareAndSetAcquire() {
         AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
         for (int i = 0; i < SIZE; i++) {
             aa.set(i, one);
             do {} while (!aa.weakCompareAndSetAcquire(i, one, two));
             do {} while (!aa.weakCompareAndSetAcquire(i, two, m4));
             assertEquals(m4, aa.get(i));
             do {} while (!aa.weakCompareAndSetAcquire(i, m4, seven));
             assertEquals(seven, aa.get(i));
         }
     }

     /**
      * repeated weakCompareAndSetRelease succeeds in changing value when equal
      * to expected
      */
     public void testWeakCompareAndSetRelease() {
         AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
         for (int i = 0; i < SIZE; i++) {
             aa.set(i, one);
             do {} while (!aa.weakCompareAndSetRelease(i, one, two));
             do {} while (!aa.weakCompareAndSetRelease(i, two, m4));
             assertEquals(m4, aa.get(i));
             do {} while (!aa.weakCompareAndSetRelease(i, m4, seven));
             assertEquals(seven, aa.get(i));
         }
     }

 }
	/*
	* 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.AtomicReferenceArray;

	import junit.framework.Test;
	import junit.framework.TestSuite;

	public class AtomicReferenceArray9Test extends JSR166TestCase {
	public static void main(String[] args) {
	main(suite(), args);
	}
	public static Test suite() {
	return new TestSuite(AtomicReferenceArray9Test.class);
	}

	/**
	* get and set for out of bound indices throw IndexOutOfBoundsException
	*/
	public void testIndexing() {
	AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
	for (int index : new int[] { -1, SIZE }) {
	final int j = index;
	final Runnable[] tasks = {
	() -> aa.getPlain(j),
	() -> aa.getOpaque(j),
	() -> aa.getAcquire(j),
	() -> aa.setPlain(j, null),
	() -> aa.setOpaque(j, null),
	() -> aa.setRelease(j, null),
	() -> aa.compareAndExchange(j, null, null),
	() -> aa.compareAndExchangeAcquire(j, null, null),
	() -> aa.compareAndExchangeRelease(j, null, null),
	() -> aa.weakCompareAndSetPlain(j, null, null),
	() -> aa.weakCompareAndSetVolatile(j, null, null),
	() -> aa.weakCompareAndSetAcquire(j, null, null),
	() -> aa.weakCompareAndSetRelease(j, null, null),
	};

	assertThrows(IndexOutOfBoundsException.class, tasks);
	}
	}

	/**
	* getPlain returns the last value set
	*/
	public void testGetPlainSet() {
	AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
	for (int i = 0; i < SIZE; i++) {
	aa.set(i, one);
	assertEquals(one, aa.getPlain(i));
	aa.set(i, two);
	assertEquals(two, aa.getPlain(i));
	aa.set(i, m3);
	assertEquals(m3, aa.getPlain(i));
	}
	}

	/**
	* getOpaque returns the last value set
	*/
	public void testGetOpaqueSet() {
	AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
	for (int i = 0; i < SIZE; i++) {
	aa.set(i, one);
	assertEquals(one, aa.getOpaque(i));
	aa.set(i, two);
	assertEquals(two, aa.getOpaque(i));
	aa.set(i, m3);
	assertEquals(m3, aa.getOpaque(i));
	}
	}

	/**
	* getAcquire returns the last value set
	*/
	public void testGetAcquireSet() {
	AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
	for (int i = 0; i < SIZE; i++) {
	aa.set(i, one);
	assertEquals(one, aa.getAcquire(i));
	aa.set(i, two);
	assertEquals(two, aa.getAcquire(i));
	aa.set(i, m3);
	assertEquals(m3, aa.getAcquire(i));
	}
	}

	/**
	* get returns the last value setPlain
	*/
	public void testGetSetPlain() {
	AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
	for (int i = 0; i < SIZE; i++) {
	aa.setPlain(i, one);
	assertEquals(one, aa.get(i));
	aa.setPlain(i, two);
	assertEquals(two, aa.get(i));
	aa.setPlain(i, m3);
	assertEquals(m3, aa.get(i));
	}
	}

	/**
	* get returns the last value setOpaque
	*/
	public void testGetSetOpaque() {
	AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
	for (int i = 0; i < SIZE; i++) {
	aa.setOpaque(i, one);
	assertEquals(one, aa.get(i));
	aa.setOpaque(i, two);
	assertEquals(two, aa.get(i));
	aa.setOpaque(i, m3);
	assertEquals(m3, aa.get(i));
	}
	}

	/**
	* get returns the last value setRelease
	*/
	public void testGetSetRelease() {
	AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
	for (int i = 0; i < SIZE; i++) {
	aa.setRelease(i, one);
	assertEquals(one, aa.get(i));
	aa.setRelease(i, two);
	assertEquals(two, aa.get(i));
	aa.setRelease(i, m3);
	assertEquals(m3, aa.get(i));
	}
	}

	/**
	* compareAndExchange succeeds in changing value if equal to
	* expected else fails
	*/
	public void testCompareAndExchange() {
	AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
	for (int i = 0; i < SIZE; i++) {
	aa.set(i, one);
	assertEquals(one, aa.compareAndExchange(i, one, two));
	assertEquals(two, aa.compareAndExchange(i, two, m4));
	assertEquals(m4, aa.get(i));
	assertEquals(m4, aa.compareAndExchange(i,m5, seven));
	assertEquals(m4, aa.get(i));
	assertEquals(m4, aa.compareAndExchange(i, m4, seven));
	assertEquals(seven, aa.get(i));
	}
	}

	/**
	* compareAndExchangeAcquire succeeds in changing value if equal to
	* expected else fails
	*/
	public void testCompareAndExchangeAcquire() {
	AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
	for (int i = 0; i < SIZE; i++) {
	aa.set(i, one);
	assertEquals(one, aa.compareAndExchangeAcquire(i, one, two));
	assertEquals(two, aa.compareAndExchangeAcquire(i, two, m4));
	assertEquals(m4, aa.get(i));
	assertEquals(m4, aa.compareAndExchangeAcquire(i,m5, seven));
	assertEquals(m4, aa.get(i));
	assertEquals(m4, aa.compareAndExchangeAcquire(i, m4, seven));
	assertEquals(seven, aa.get(i));
	}
	}

	/**
	* compareAndExchangeRelease succeeds in changing value if equal to
	* expected else fails
	*/
	public void testCompareAndExchangeRelease() {
	AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
	for (int i = 0; i < SIZE; i++) {
	aa.set(i, one);
	assertEquals(one, aa.compareAndExchangeRelease(i, one, two));
	assertEquals(two, aa.compareAndExchangeRelease(i, two, m4));
	assertEquals(m4, aa.get(i));
	assertEquals(m4, aa.compareAndExchangeRelease(i,m5, seven));
	assertEquals(m4, aa.get(i));
	assertEquals(m4, aa.compareAndExchangeRelease(i, m4, seven));
	assertEquals(seven, aa.get(i));
	}
	}

	/**
	* repeated weakCompareAndSetPlain succeeds in changing value when equal
	* to expected
	*/
	public void testWeakCompareAndSetPlain() {
	AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
	for (int i = 0; i < SIZE; i++) {
	aa.set(i, one);
	do {} while (!aa.weakCompareAndSetPlain(i, one, two));
	do {} while (!aa.weakCompareAndSetPlain(i, two, m4));
	assertEquals(m4, aa.get(i));
	do {} while (!aa.weakCompareAndSetPlain(i, m4, seven));
	assertEquals(seven, aa.get(i));
	}
	}

	/**
	* repeated weakCompareAndSetVolatile succeeds in changing value when equal
	* to expected
	*/
	public void testWeakCompareAndSetVolatile() {
	AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
	for (int i = 0; i < SIZE; i++) {
	aa.set(i, one);
	do {} while (!aa.weakCompareAndSetVolatile(i, one, two));
	do {} while (!aa.weakCompareAndSetVolatile(i, two, m4));
	assertEquals(m4, aa.get(i));
	do {} while (!aa.weakCompareAndSetVolatile(i, m4, seven));
	assertEquals(seven, aa.get(i));
	}
	}

	/**
	* repeated weakCompareAndSetAcquire succeeds in changing value when equal
	* to expected
	*/
	public void testWeakCompareAndSetAcquire() {
	AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
	for (int i = 0; i < SIZE; i++) {
	aa.set(i, one);
	do {} while (!aa.weakCompareAndSetAcquire(i, one, two));
	do {} while (!aa.weakCompareAndSetAcquire(i, two, m4));
	assertEquals(m4, aa.get(i));
	do {} while (!aa.weakCompareAndSetAcquire(i, m4, seven));
	assertEquals(seven, aa.get(i));
	}
	}

	/**
	* repeated weakCompareAndSetRelease succeeds in changing value when equal
	* to expected
	*/
	public void testWeakCompareAndSetRelease() {
	AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<>(SIZE);
	for (int i = 0; i < SIZE; i++) {
	aa.set(i, one);
	do {} while (!aa.weakCompareAndSetRelease(i, one, two));
	do {} while (!aa.weakCompareAndSetRelease(i, two, m4));
	assertEquals(m4, aa.get(i));
	do {} while (!aa.weakCompareAndSetRelease(i, m4, seven));
	assertEquals(seven, aa.get(i));
	}
	}

	}