--- jsr166/src/test/tck/AtomicReferenceArrayTest.java 2011/06/10 19:26:10 1.22 +++ jsr166/src/test/tck/AtomicReferenceArrayTest.java 2016/06/16 23:35:25 1.33 @@ -6,13 +6,15 @@ * Pat Fisher, Mike Judd. */ -import junit.framework.*; import java.util.Arrays; import java.util.concurrent.atomic.AtomicReferenceArray; +import junit.framework.Test; +import junit.framework.TestSuite; + public class AtomicReferenceArrayTest extends JSR166TestCase { public static void main(String[] args) { - junit.textui.TestRunner.run(suite()); + main(suite(), args); } public static Test suite() { return new TestSuite(AtomicReferenceArrayTest.class); @@ -22,9 +24,9 @@ public class AtomicReferenceArrayTest ex * constructor creates array of given size with all elements null */ public void testConstructor() { - AtomicReferenceArray ai = new AtomicReferenceArray(SIZE); - for (int i = 0; i < SIZE; ++i) { - assertNull(ai.get(i)); + AtomicReferenceArray aa = new AtomicReferenceArray(SIZE); + for (int i = 0; i < SIZE; i++) { + assertNull(aa.get(i)); } } @@ -34,7 +36,7 @@ public class AtomicReferenceArrayTest ex public void testConstructor2NPE() { try { Integer[] a = null; - AtomicReferenceArray ai = new AtomicReferenceArray(a); + new AtomicReferenceArray(a); shouldThrow(); } catch (NullPointerException success) {} } @@ -43,21 +45,21 @@ public class AtomicReferenceArrayTest ex * constructor with array is of same size and has all elements */ public void testConstructor2() { - Integer[] a = { two, one, three, four, seven}; - AtomicReferenceArray ai = new AtomicReferenceArray(a); - assertEquals(a.length, ai.length()); - for (int i = 0; i < a.length; ++i) - assertEquals(a[i], ai.get(i)); + Integer[] a = { two, one, three, four, seven }; + AtomicReferenceArray aa = new AtomicReferenceArray(a); + assertEquals(a.length, aa.length()); + for (int i = 0; i < a.length; i++) + assertEquals(a[i], aa.get(i)); } /** - * Initialize AtomicReference with SubClass[] + * Initialize AtomicReferenceArray with SubClass[] */ public void testConstructorSubClassArray() { Integer[] a = { two, one, three, four, seven }; AtomicReferenceArray aa = new AtomicReferenceArray(a); assertEquals(a.length, aa.length()); - for (int i = 0; i < a.length; ++i) { + for (int i = 0; i < a.length; i++) { assertSame(a[i], aa.get(i)); Long x = Long.valueOf(i); aa.set(i, x); @@ -69,26 +71,76 @@ public class AtomicReferenceArrayTest ex * get and set for out of bound indices throw IndexOutOfBoundsException */ public void testIndexing() { - AtomicReferenceArray ai = new AtomicReferenceArray(SIZE); - try { - ai.get(SIZE); - shouldThrow(); - } catch (IndexOutOfBoundsException success) { - } - try { - ai.get(-1); - shouldThrow(); - } catch (IndexOutOfBoundsException success) { - } - try { - ai.set(SIZE, null); - shouldThrow(); - } catch (IndexOutOfBoundsException success) { - } - try { - ai.set(-1, null); - shouldThrow(); - } catch (IndexOutOfBoundsException success) { + AtomicReferenceArray aa = new AtomicReferenceArray(SIZE); + for (int index : new int[] { -1, SIZE }) { + try { + aa.get(index); + shouldThrow(); + } catch (IndexOutOfBoundsException success) {} + try { + aa.set(index, null); + shouldThrow(); + } catch (IndexOutOfBoundsException success) {} + try { + aa.lazySet(index, null); + shouldThrow(); + } catch (IndexOutOfBoundsException success) {} + try { + aa.compareAndSet(index, null, null); + shouldThrow(); + } catch (IndexOutOfBoundsException success) {} + try { + aa.weakCompareAndSet(index, null, null); + shouldThrow(); + } catch (IndexOutOfBoundsException success) {} + try { + aa.getPlain(index); + shouldThrow(); + } catch (IndexOutOfBoundsException success) {} + try { + aa.getOpaque(index); + shouldThrow(); + } catch (IndexOutOfBoundsException success) {} + try { + aa.getAcquire(index); + shouldThrow(); + } catch (IndexOutOfBoundsException success) {} + try { + aa.setPlain(index, null); + shouldThrow(); + } catch (IndexOutOfBoundsException success) {} + try { + aa.setOpaque(index, null); + shouldThrow(); + } catch (IndexOutOfBoundsException success) {} + try { + aa.setRelease(index, null); + shouldThrow(); + } catch (IndexOutOfBoundsException success) {} + try { + aa.compareAndExchange(index, null, null); + shouldThrow(); + } catch (IndexOutOfBoundsException success) {} + try { + aa.compareAndExchangeAcquire(index, null, null); + shouldThrow(); + } catch (IndexOutOfBoundsException success) {} + try { + aa.compareAndExchangeRelease(index, null, null); + shouldThrow(); + } catch (IndexOutOfBoundsException success) {} + try { + aa.weakCompareAndSetVolatile(index, null, null); + shouldThrow(); + } catch (IndexOutOfBoundsException success) {} + try { + aa.weakCompareAndSetAcquire(index, null, null); + shouldThrow(); + } catch (IndexOutOfBoundsException success) {} + try { + aa.weakCompareAndSetRelease(index, null, null); + shouldThrow(); + } catch (IndexOutOfBoundsException success) {} } } @@ -96,14 +148,14 @@ public class AtomicReferenceArrayTest ex * get returns the last value set at index */ public void testGetSet() { - AtomicReferenceArray ai = new AtomicReferenceArray(SIZE); - for (int i = 0; i < SIZE; ++i) { - ai.set(i, one); - assertSame(one,ai.get(i)); - ai.set(i, two); - assertSame(two,ai.get(i)); - ai.set(i, m3); - assertSame(m3,ai.get(i)); + AtomicReferenceArray aa = new AtomicReferenceArray(SIZE); + for (int i = 0; i < SIZE; i++) { + aa.set(i, one); + assertSame(one, aa.get(i)); + aa.set(i, two); + assertSame(two, aa.get(i)); + aa.set(i, m3); + assertSame(m3, aa.get(i)); } } @@ -111,14 +163,14 @@ public class AtomicReferenceArrayTest ex * get returns the last value lazySet at index by same thread */ public void testGetLazySet() { - AtomicReferenceArray ai = new AtomicReferenceArray(SIZE); - for (int i = 0; i < SIZE; ++i) { - ai.lazySet(i, one); - assertSame(one,ai.get(i)); - ai.lazySet(i, two); - assertSame(two,ai.get(i)); - ai.lazySet(i, m3); - assertSame(m3,ai.get(i)); + AtomicReferenceArray aa = new AtomicReferenceArray(SIZE); + for (int i = 0; i < SIZE; i++) { + aa.lazySet(i, one); + assertSame(one, aa.get(i)); + aa.lazySet(i, two); + assertSame(two, aa.get(i)); + aa.lazySet(i, m3); + assertSame(m3, aa.get(i)); } } @@ -126,16 +178,16 @@ public class AtomicReferenceArrayTest ex * compareAndSet succeeds in changing value if equal to expected else fails */ public void testCompareAndSet() { - AtomicReferenceArray ai = new AtomicReferenceArray(SIZE); - for (int i = 0; i < SIZE; ++i) { - ai.set(i, one); - assertTrue(ai.compareAndSet(i, one,two)); - assertTrue(ai.compareAndSet(i, two,m4)); - assertSame(m4,ai.get(i)); - assertFalse(ai.compareAndSet(i, m5,seven)); - assertSame(m4,ai.get(i)); - assertTrue(ai.compareAndSet(i, m4,seven)); - assertSame(seven,ai.get(i)); + AtomicReferenceArray aa = new AtomicReferenceArray(SIZE); + for (int i = 0; i < SIZE; i++) { + aa.set(i, one); + assertTrue(aa.compareAndSet(i, one, two)); + assertTrue(aa.compareAndSet(i, two, m4)); + assertSame(m4, aa.get(i)); + assertFalse(aa.compareAndSet(i, m5, seven)); + assertSame(m4, aa.get(i)); + assertTrue(aa.compareAndSet(i, m4, seven)); + assertSame(seven, aa.get(i)); } } @@ -156,7 +208,7 @@ public class AtomicReferenceArrayTest ex assertTrue(a.compareAndSet(0, one, two)); t.join(LONG_DELAY_MS); assertFalse(t.isAlive()); - assertSame(a.get(0), three); + assertSame(three, a.get(0)); } /** @@ -164,14 +216,14 @@ public class AtomicReferenceArrayTest ex * to expected */ public void testWeakCompareAndSet() { - AtomicReferenceArray ai = new AtomicReferenceArray(SIZE); - for (int i = 0; i < SIZE; ++i) { - ai.set(i, one); - while (!ai.weakCompareAndSet(i, one,two)); - while (!ai.weakCompareAndSet(i, two,m4)); - assertSame(m4,ai.get(i)); - while (!ai.weakCompareAndSet(i, m4,seven)); - assertSame(seven,ai.get(i)); + AtomicReferenceArray aa = new AtomicReferenceArray(SIZE); + for (int i = 0; i < SIZE; i++) { + aa.set(i, one); + do {} while (!aa.weakCompareAndSet(i, one, two)); + do {} while (!aa.weakCompareAndSet(i, two, m4)); + assertSame(m4, aa.get(i)); + do {} while (!aa.weakCompareAndSet(i, m4, seven)); + assertSame(seven, aa.get(i)); } } @@ -179,12 +231,12 @@ public class AtomicReferenceArrayTest ex * getAndSet returns previous value and sets to given value at given index */ public void testGetAndSet() { - AtomicReferenceArray ai = new AtomicReferenceArray(SIZE); - for (int i = 0; i < SIZE; ++i) { - ai.set(i, one); - assertSame(one,ai.getAndSet(i,zero)); - assertSame(zero,ai.getAndSet(i,m10)); - assertSame(m10,ai.getAndSet(i,one)); + AtomicReferenceArray aa = new AtomicReferenceArray(SIZE); + for (int i = 0; i < SIZE; i++) { + aa.set(i, one); + assertSame(one, aa.getAndSet(i, zero)); + assertSame(zero, aa.getAndSet(i, m10)); + assertSame(m10, aa.getAndSet(i, one)); } } @@ -197,7 +249,7 @@ public class AtomicReferenceArrayTest ex x.set(i, new Integer(-i)); } AtomicReferenceArray y = serialClone(x); - assertTrue(x != y); + assertNotSame(x, y); assertEquals(x.length(), y.length()); for (int i = 0; i < SIZE; i++) { assertEquals(x.get(i), y.get(i)); @@ -208,8 +260,203 @@ public class AtomicReferenceArrayTest ex * toString returns current value. */ public void testToString() { - Integer[] a = { two, one, three, four, seven}; - AtomicReferenceArray ai = new AtomicReferenceArray(a); - assertEquals(Arrays.toString(a), ai.toString()); + Integer[] a = { two, one, three, four, seven }; + AtomicReferenceArray aa = new AtomicReferenceArray(a); + assertEquals(Arrays.toString(a), aa.toString()); + } + + // jdk9 + + /** + * getPlain returns the last value set + */ + public void testGetPlainSet() { + AtomicReferenceArray 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 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 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 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 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 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 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 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 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 weakCompareAndSetVolatile succeeds in changing value when equal + * to expected + */ + public void testWeakCompareAndSetVolatile() { + AtomicReferenceArray 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 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 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)); + } } + }