--- jsr166/src/test/tck/AtomicIntegerTest.java 2011/06/10 20:17:11 1.24 +++ jsr166/src/test/tck/AtomicIntegerTest.java 2016/06/16 23:35:25 1.29 @@ -6,12 +6,14 @@ * Pat Fisher, Mike Judd. */ -import junit.framework.*; import java.util.concurrent.atomic.AtomicInteger; +import junit.framework.Test; +import junit.framework.TestSuite; + public class AtomicIntegerTest extends JSR166TestCase { public static void main(String[] args) { - junit.textui.TestRunner.run(suite()); + main(suite(), args); } public static Test suite() { return new TestSuite(AtomicIntegerTest.class); @@ -100,10 +102,10 @@ public class AtomicIntegerTest extends J */ public void testWeakCompareAndSet() { AtomicInteger ai = new AtomicInteger(1); - while (!ai.weakCompareAndSet(1, 2)); - while (!ai.weakCompareAndSet(2, -4)); + do {} while (!ai.weakCompareAndSet(1, 2)); + do {} while (!ai.weakCompareAndSet(2, -4)); assertEquals(-4, ai.get()); - while (!ai.weakCompareAndSet(-4, 7)); + do {} while (!ai.weakCompareAndSet(-4, 7)); assertEquals(7, ai.get()); } @@ -194,7 +196,7 @@ public class AtomicIntegerTest extends J public void testSerialization() throws Exception { AtomicInteger x = new AtomicInteger(); AtomicInteger y = serialClone(x); - assertTrue(x != y); + assertNotSame(x, y); x.set(22); AtomicInteger z = serialClone(x); assertEquals(22, x.get()); @@ -262,4 +264,163 @@ public class AtomicIntegerTest extends J } } + // jdk9 + + /** + * getPlain returns the last value set + */ + public void testGetPlainSet() { + AtomicInteger ai = new AtomicInteger(1); + assertEquals(1, ai.getPlain()); + ai.set(2); + assertEquals(2, ai.getPlain()); + ai.set(-3); + assertEquals(-3, ai.getPlain()); + } + + /** + * getOpaque returns the last value set + */ + public void testGetOpaqueSet() { + AtomicInteger ai = new AtomicInteger(1); + assertEquals(1, ai.getOpaque()); + ai.set(2); + assertEquals(2, ai.getOpaque()); + ai.set(-3); + assertEquals(-3, ai.getOpaque()); + } + + /** + * getAcquire returns the last value set + */ + public void testGetAcquireSet() { + AtomicInteger ai = new AtomicInteger(1); + assertEquals(1, ai.getAcquire()); + ai.set(2); + assertEquals(2, ai.getAcquire()); + ai.set(-3); + assertEquals(-3, ai.getAcquire()); + } + + /** + * get returns the last value setPlain + */ + public void testGetSetPlain() { + AtomicInteger ai = new AtomicInteger(1); + assertEquals(1, ai.get()); + ai.setPlain(2); + assertEquals(2, ai.get()); + ai.setPlain(-3); + assertEquals(-3, ai.get()); + } + + /** + * get returns the last value setOpaque + */ + public void testGetSetOpaque() { + AtomicInteger ai = new AtomicInteger(1); + assertEquals(1, ai.get()); + ai.setOpaque(2); + assertEquals(2, ai.get()); + ai.setOpaque(-3); + assertEquals(-3, ai.get()); + } + + /** + * get returns the last value setRelease + */ + public void testGetSetRelease() { + AtomicInteger ai = new AtomicInteger(1); + assertEquals(1, ai.get()); + ai.setRelease(2); + assertEquals(2, ai.get()); + ai.setRelease(-3); + assertEquals(-3, ai.get()); + } + + /** + * compareAndExchange succeeds in changing value if equal to + * expected else fails + */ + public void testCompareAndExchange() { + AtomicInteger ai = new AtomicInteger(1); + assertEquals(1, ai.compareAndExchange(1, 2)); + assertEquals(2, ai.compareAndExchange(2, -4)); + assertEquals(-4, ai.get()); + assertEquals(-4, ai.compareAndExchange(-5, 7)); + assertEquals(-4, ai.get()); + assertEquals(-4, ai.compareAndExchange(-4, 7)); + assertEquals(7, ai.get()); + } + + /** + * compareAndExchangeAcquire succeeds in changing value if equal to + * expected else fails + */ + public void testCompareAndExchangeAcquire() { + AtomicInteger ai = new AtomicInteger(1); + assertEquals(1, ai.compareAndExchangeAcquire(1, 2)); + assertEquals(2, ai.compareAndExchangeAcquire(2, -4)); + assertEquals(-4, ai.get()); + assertEquals(-4, ai.compareAndExchangeAcquire(-5, 7)); + assertEquals(-4, ai.get()); + assertEquals(-4, ai.compareAndExchangeAcquire(-4, 7)); + assertEquals(7, ai.get()); + } + + /** + * compareAndExchangeRelease succeeds in changing value if equal to + * expected else fails + */ + public void testCompareAndExchangeRelease() { + AtomicInteger ai = new AtomicInteger(1); + assertEquals(1, ai.compareAndExchangeRelease(1, 2)); + assertEquals(2, ai.compareAndExchangeRelease(2, -4)); + assertEquals(-4, ai.get()); + assertEquals(-4, ai.compareAndExchangeRelease(-5, 7)); + assertEquals(-4, ai.get()); + assertEquals(-4, ai.compareAndExchangeRelease(-4, 7)); + assertEquals(7, ai.get()); + } + + /** + * repeated weakCompareAndSetVolatile succeeds in changing value when equal + * to expected + */ + public void testWeakCompareAndSetVolatile() { + AtomicInteger ai = new AtomicInteger(1); + do {} while (!ai.weakCompareAndSetVolatile(1, 2)); + do {} while (!ai.weakCompareAndSetVolatile(2, -4)); + assertEquals(-4, ai.get()); + do {} while (!ai.weakCompareAndSetVolatile(-4, 7)); + assertEquals(7, ai.get()); + } + + /** + * repeated weakCompareAndSetAcquire succeeds in changing value when equal + * to expected + */ + public void testWeakCompareAndSetAcquire() { + AtomicInteger ai = new AtomicInteger(1); + do {} while (!ai.weakCompareAndSetAcquire(1, 2)); + do {} while (!ai.weakCompareAndSetAcquire(2, -4)); + assertEquals(-4, ai.get()); + do {} while (!ai.weakCompareAndSetAcquire(-4, 7)); + assertEquals(7, ai.get()); + } + + /** + * repeated weakCompareAndSetRelease succeeds in changing value when equal + * to expected + */ + public void testWeakCompareAndSetRelease() { + AtomicInteger ai = new AtomicInteger(1); + do {} while (!ai.weakCompareAndSetRelease(1, 2)); + do {} while (!ai.weakCompareAndSetRelease(2, -4)); + assertEquals(-4, ai.get()); + do {} while (!ai.weakCompareAndSetRelease(-4, 7)); + assertEquals(7, ai.get()); + } + + }