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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/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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*/ |
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import junit.framework.*; |
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import java.util.*; |
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import java.util.concurrent.*; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import java.io.*; |
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|
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Collection; |
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import java.util.Deque; |
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import java.util.Iterator; |
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import java.util.NoSuchElementException; |
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import java.util.Queue; |
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import java.util.concurrent.BlockingDeque; |
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import java.util.concurrent.BlockingQueue; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.Executors; |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.LinkedBlockingDeque; |
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|
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import junit.framework.Test; |
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|
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public class LinkedBlockingDequeTest extends JSR166TestCase { |
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|
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public static class Unbounded extends BlockingQueueTest { |
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protected BlockingQueue emptyCollection() { |
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return new LinkedBlockingDeque(); |
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} |
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} |
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|
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public static class Bounded extends BlockingQueueTest { |
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protected BlockingQueue emptyCollection() { |
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return new LinkedBlockingDeque(SIZE); |
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} |
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} |
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|
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public static void main(String[] args) { |
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junit.textui.TestRunner.run (suite()); |
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main(suite(), args); |
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} |
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|
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public static Test suite() { |
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return new TestSuite(LinkedBlockingDequeTest.class); |
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class Implementation implements CollectionImplementation { |
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public Class<?> klazz() { return LinkedBlockingDeque.class; } |
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public Collection emptyCollection() { return new LinkedBlockingDeque(); } |
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public Object makeElement(int i) { return i; } |
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public boolean isConcurrent() { return true; } |
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public boolean permitsNulls() { return false; } |
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} |
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return newTestSuite(LinkedBlockingDequeTest.class, |
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new Unbounded().testSuite(), |
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new Bounded().testSuite(), |
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CollectionTest.testSuite(new Implementation())); |
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} |
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|
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/** |
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* Create a deque of given size containing consecutive |
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* Integers 0 ... n. |
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*/ |
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private LinkedBlockingDeque populatedDeque(int n) { |
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LinkedBlockingDeque q = new LinkedBlockingDeque(n); |
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* Returns a new deque of given size containing consecutive |
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* Integers 0 ... n - 1. |
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*/ |
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private static LinkedBlockingDeque<Integer> populatedDeque(int n) { |
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LinkedBlockingDeque<Integer> q = |
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new LinkedBlockingDeque<Integer>(n); |
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assertTrue(q.isEmpty()); |
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for (int i = 0; i < n; i++) |
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assertTrue(q.offer(new Integer(i))); |
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assertFalse(q.isEmpty()); |
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assertEquals(0, q.remainingCapacity()); |
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assertEquals(n, q.size()); |
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assertEquals((Integer) 0, q.peekFirst()); |
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assertEquals((Integer) (n - 1), q.peekLast()); |
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return q; |
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} |
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|
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public void testSize() { |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
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for (int i = 0; i < SIZE; ++i) { |
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assertEquals(SIZE-i, q.size()); |
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assertEquals(SIZE - i, q.size()); |
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q.removeFirst(); |
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} |
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for (int i = 0; i < SIZE; ++i) { |
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} |
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|
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/** |
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* offer(null) throws NPE |
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* offerFirst(null) throws NullPointerException |
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*/ |
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public void testOfferFirstNull() { |
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LinkedBlockingDeque q = new LinkedBlockingDeque(); |
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try { |
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LinkedBlockingDeque q = new LinkedBlockingDeque(); |
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q.offerFirst(null); |
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shouldThrow(); |
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} catch (NullPointerException success) {} |
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} |
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|
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/** |
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* offerLast(null) throws NullPointerException |
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*/ |
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public void testOfferLastNull() { |
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LinkedBlockingDeque q = new LinkedBlockingDeque(); |
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try { |
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q.offerLast(null); |
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shouldThrow(); |
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} catch (NullPointerException success) {} |
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} |
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|
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/** |
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* OfferFirst succeeds |
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*/ |
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public void testOfferFirst() { |
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} |
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|
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/** |
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* pollFirst succeeds unless empty |
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* pollFirst succeeds unless empty |
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*/ |
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public void testPollFirst() { |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
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for (int i = 0; i < SIZE; ++i) { |
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assertEquals(i, ((Integer)q.pollFirst()).intValue()); |
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assertEquals(i, q.pollFirst()); |
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} |
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assertNull(q.pollFirst()); |
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} |
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|
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/** |
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* pollLast succeeds unless empty |
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* pollLast succeeds unless empty |
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*/ |
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public void testPollLast() { |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
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for (int i = SIZE-1; i >= 0; --i) { |
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assertEquals(i, ((Integer)q.pollLast()).intValue()); |
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for (int i = SIZE - 1; i >= 0; --i) { |
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assertEquals(i, q.pollLast()); |
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} |
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assertNull(q.pollLast()); |
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} |
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|
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/** |
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* peekFirst returns next element, or null if empty |
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* peekFirst returns next element, or null if empty |
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*/ |
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public void testPeekFirst() { |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
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for (int i = 0; i < SIZE; ++i) { |
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assertEquals(i, ((Integer)q.peekFirst()).intValue()); |
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q.pollFirst(); |
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assertEquals(i, q.peekFirst()); |
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assertEquals(i, q.pollFirst()); |
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assertTrue(q.peekFirst() == null || |
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i != ((Integer)q.peekFirst()).intValue()); |
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> |
!q.peekFirst().equals(i)); |
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} |
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assertNull(q.peekFirst()); |
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} |
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|
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/** |
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* peek returns next element, or null if empty |
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* peek returns next element, or null if empty |
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*/ |
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public void testPeek() { |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
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for (int i = 0; i < SIZE; ++i) { |
186 |
< |
assertEquals(i, ((Integer)q.peek()).intValue()); |
187 |
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q.pollFirst(); |
186 |
> |
assertEquals(i, q.peek()); |
187 |
> |
assertEquals(i, q.pollFirst()); |
188 |
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assertTrue(q.peek() == null || |
189 |
< |
i != ((Integer)q.peek()).intValue()); |
189 |
> |
!q.peek().equals(i)); |
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} |
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assertNull(q.peek()); |
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} |
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|
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/** |
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* peekLast returns next element, or null if empty |
195 |
> |
* peekLast returns next element, or null if empty |
196 |
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*/ |
197 |
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public void testPeekLast() { |
198 |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
199 |
< |
for (int i = SIZE-1; i >= 0; --i) { |
200 |
< |
assertEquals(i, ((Integer)q.peekLast()).intValue()); |
201 |
< |
q.pollLast(); |
199 |
> |
for (int i = SIZE - 1; i >= 0; --i) { |
200 |
> |
assertEquals(i, q.peekLast()); |
201 |
> |
assertEquals(i, q.pollLast()); |
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assertTrue(q.peekLast() == null || |
203 |
< |
i != ((Integer)q.peekLast()).intValue()); |
203 |
> |
!q.peekLast().equals(i)); |
204 |
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} |
205 |
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assertNull(q.peekLast()); |
206 |
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} |
207 |
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|
208 |
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/** |
209 |
< |
* getFirst returns next getFirst, or throws NSEE if empty |
209 |
> |
* getFirst() returns first element, or throws NSEE if empty |
210 |
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*/ |
211 |
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public void testFirstElement() { |
212 |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
213 |
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for (int i = 0; i < SIZE; ++i) { |
214 |
< |
assertEquals(i, ((Integer)q.getFirst()).intValue()); |
215 |
< |
q.pollFirst(); |
214 |
> |
assertEquals(i, q.getFirst()); |
215 |
> |
assertEquals(i, q.pollFirst()); |
216 |
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} |
217 |
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try { |
218 |
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q.getFirst(); |
219 |
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shouldThrow(); |
220 |
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} catch (NoSuchElementException success) {} |
221 |
+ |
assertNull(q.peekFirst()); |
222 |
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} |
223 |
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|
224 |
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/** |
225 |
< |
* getLast returns next element, or throws NSEE if empty |
225 |
> |
* getLast() returns last element, or throws NSEE if empty |
226 |
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*/ |
227 |
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public void testLastElement() { |
228 |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
229 |
< |
for (int i = SIZE-1; i >= 0; --i) { |
230 |
< |
assertEquals(i, ((Integer)q.getLast()).intValue()); |
231 |
< |
q.pollLast(); |
229 |
> |
for (int i = SIZE - 1; i >= 0; --i) { |
230 |
> |
assertEquals(i, q.getLast()); |
231 |
> |
assertEquals(i, q.pollLast()); |
232 |
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} |
233 |
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try { |
234 |
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q.getLast(); |
238 |
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} |
239 |
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|
240 |
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/** |
241 |
< |
* removeFirst removes next element, or throws NSEE if empty |
241 |
> |
* removeFirst() removes first element, or throws NSEE if empty |
242 |
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*/ |
243 |
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public void testRemoveFirst() { |
244 |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
245 |
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for (int i = 0; i < SIZE; ++i) { |
246 |
< |
assertEquals(i, ((Integer)q.removeFirst()).intValue()); |
246 |
> |
assertEquals(i, q.removeFirst()); |
247 |
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} |
248 |
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try { |
249 |
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q.removeFirst(); |
250 |
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shouldThrow(); |
251 |
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} catch (NoSuchElementException success) {} |
252 |
+ |
assertNull(q.peekFirst()); |
253 |
+ |
} |
254 |
+ |
|
255 |
+ |
/** |
256 |
+ |
* removeLast() removes last element, or throws NSEE if empty |
257 |
+ |
*/ |
258 |
+ |
public void testRemoveLast() { |
259 |
+ |
LinkedBlockingDeque q = populatedDeque(SIZE); |
260 |
+ |
for (int i = SIZE - 1; i >= 0; --i) { |
261 |
+ |
assertEquals(i, q.removeLast()); |
262 |
+ |
} |
263 |
+ |
try { |
264 |
+ |
q.removeLast(); |
265 |
+ |
shouldThrow(); |
266 |
+ |
} catch (NoSuchElementException success) {} |
267 |
+ |
assertNull(q.peekLast()); |
268 |
|
} |
269 |
|
|
270 |
|
/** |
271 |
< |
* remove removes next element, or throws NSEE if empty |
271 |
> |
* remove removes next element, or throws NSEE if empty |
272 |
|
*/ |
273 |
|
public void testRemove() { |
274 |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
275 |
|
for (int i = 0; i < SIZE; ++i) { |
276 |
< |
assertEquals(i, ((Integer)q.remove()).intValue()); |
276 |
> |
assertEquals(i, q.remove()); |
277 |
|
} |
278 |
|
try { |
279 |
|
q.remove(); |
286 |
|
*/ |
287 |
|
public void testRemoveFirstOccurrence() { |
288 |
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
289 |
< |
for (int i = 1; i < SIZE; i+=2) { |
289 |
> |
for (int i = 1; i < SIZE; i += 2) { |
290 |
|
assertTrue(q.removeFirstOccurrence(new Integer(i))); |
291 |
|
} |
292 |
< |
for (int i = 0; i < SIZE; i+=2) { |
292 |
> |
for (int i = 0; i < SIZE; i += 2) { |
293 |
|
assertTrue(q.removeFirstOccurrence(new Integer(i))); |
294 |
< |
assertFalse(q.removeFirstOccurrence(new Integer(i+1))); |
294 |
> |
assertFalse(q.removeFirstOccurrence(new Integer(i + 1))); |
295 |
|
} |
296 |
|
assertTrue(q.isEmpty()); |
297 |
|
} |
301 |
|
*/ |
302 |
|
public void testRemoveLastOccurrence() { |
303 |
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
304 |
< |
for (int i = 1; i < SIZE; i+=2) { |
304 |
> |
for (int i = 1; i < SIZE; i += 2) { |
305 |
|
assertTrue(q.removeLastOccurrence(new Integer(i))); |
306 |
|
} |
307 |
< |
for (int i = 0; i < SIZE; i+=2) { |
307 |
> |
for (int i = 0; i < SIZE; i += 2) { |
308 |
|
assertTrue(q.removeLastOccurrence(new Integer(i))); |
309 |
< |
assertFalse(q.removeLastOccurrence(new Integer(i+1))); |
309 |
> |
assertFalse(q.removeLastOccurrence(new Integer(i + 1))); |
310 |
|
} |
311 |
|
assertTrue(q.isEmpty()); |
312 |
|
} |
318 |
|
LinkedBlockingDeque q = populatedDeque(3); |
319 |
|
q.pollLast(); |
320 |
|
q.addFirst(four); |
321 |
< |
assertEquals(four,q.peekFirst()); |
321 |
> |
assertSame(four, q.peekFirst()); |
322 |
|
} |
323 |
|
|
324 |
|
/** |
328 |
|
LinkedBlockingDeque q = populatedDeque(3); |
329 |
|
q.pollLast(); |
330 |
|
q.addLast(four); |
331 |
< |
assertEquals(four,q.peekLast()); |
331 |
> |
assertSame(four, q.peekLast()); |
332 |
|
} |
333 |
|
|
268 |
– |
|
334 |
|
/** |
335 |
|
* A new deque has the indicated capacity, or Integer.MAX_VALUE if |
336 |
|
* none given |
341 |
|
} |
342 |
|
|
343 |
|
/** |
344 |
< |
* Constructor throws IAE if capacity argument nonpositive |
344 |
> |
* Constructor throws IllegalArgumentException if capacity argument nonpositive |
345 |
|
*/ |
346 |
|
public void testConstructor2() { |
347 |
|
try { |
348 |
< |
LinkedBlockingDeque q = new LinkedBlockingDeque(0); |
348 |
> |
new LinkedBlockingDeque(0); |
349 |
|
shouldThrow(); |
350 |
|
} catch (IllegalArgumentException success) {} |
351 |
|
} |
352 |
|
|
353 |
|
/** |
354 |
< |
* Initializing from null Collection throws NPE |
354 |
> |
* Initializing from null Collection throws NullPointerException |
355 |
|
*/ |
356 |
|
public void testConstructor3() { |
357 |
|
try { |
358 |
< |
LinkedBlockingDeque q = new LinkedBlockingDeque(null); |
358 |
> |
new LinkedBlockingDeque(null); |
359 |
|
shouldThrow(); |
360 |
|
} catch (NullPointerException success) {} |
361 |
|
} |
362 |
|
|
363 |
|
/** |
364 |
< |
* Initializing from Collection of null elements throws NPE |
364 |
> |
* Initializing from Collection of null elements throws NullPointerException |
365 |
|
*/ |
366 |
|
public void testConstructor4() { |
367 |
+ |
Collection<Integer> elements = Arrays.asList(new Integer[SIZE]); |
368 |
|
try { |
369 |
< |
Integer[] ints = new Integer[SIZE]; |
304 |
< |
LinkedBlockingDeque q = new LinkedBlockingDeque(Arrays.asList(ints)); |
369 |
> |
new LinkedBlockingDeque(elements); |
370 |
|
shouldThrow(); |
371 |
|
} catch (NullPointerException success) {} |
372 |
|
} |
373 |
|
|
374 |
|
/** |
375 |
< |
* Initializing from Collection with some null elements throws NPE |
375 |
> |
* Initializing from Collection with some null elements throws |
376 |
> |
* NullPointerException |
377 |
|
*/ |
378 |
|
public void testConstructor5() { |
379 |
+ |
Integer[] ints = new Integer[SIZE]; |
380 |
+ |
for (int i = 0; i < SIZE - 1; ++i) |
381 |
+ |
ints[i] = i; |
382 |
+ |
Collection<Integer> elements = Arrays.asList(ints); |
383 |
|
try { |
384 |
< |
Integer[] ints = new Integer[SIZE]; |
315 |
< |
for (int i = 0; i < SIZE-1; ++i) |
316 |
< |
ints[i] = new Integer(i); |
317 |
< |
LinkedBlockingDeque q = new LinkedBlockingDeque(Arrays.asList(ints)); |
384 |
> |
new LinkedBlockingDeque(elements); |
385 |
|
shouldThrow(); |
386 |
|
} catch (NullPointerException success) {} |
387 |
|
} |
390 |
|
* Deque contains all elements of collection used to initialize |
391 |
|
*/ |
392 |
|
public void testConstructor6() { |
393 |
< |
try { |
394 |
< |
Integer[] ints = new Integer[SIZE]; |
395 |
< |
for (int i = 0; i < SIZE; ++i) |
396 |
< |
ints[i] = new Integer(i); |
397 |
< |
LinkedBlockingDeque q = new LinkedBlockingDeque(Arrays.asList(ints)); |
398 |
< |
for (int i = 0; i < SIZE; ++i) |
332 |
< |
assertEquals(ints[i], q.poll()); |
333 |
< |
} |
334 |
< |
finally {} |
393 |
> |
Integer[] ints = new Integer[SIZE]; |
394 |
> |
for (int i = 0; i < SIZE; ++i) |
395 |
> |
ints[i] = i; |
396 |
> |
LinkedBlockingDeque q = new LinkedBlockingDeque(Arrays.asList(ints)); |
397 |
> |
for (int i = 0; i < SIZE; ++i) |
398 |
> |
assertEquals(ints[i], q.poll()); |
399 |
|
} |
400 |
|
|
401 |
|
/** |
417 |
|
* remainingCapacity decreases on add, increases on remove |
418 |
|
*/ |
419 |
|
public void testRemainingCapacity() { |
420 |
< |
LinkedBlockingDeque q = populatedDeque(SIZE); |
420 |
> |
BlockingQueue q = populatedDeque(SIZE); |
421 |
|
for (int i = 0; i < SIZE; ++i) { |
422 |
|
assertEquals(i, q.remainingCapacity()); |
423 |
< |
assertEquals(SIZE-i, q.size()); |
424 |
< |
q.remove(); |
423 |
> |
assertEquals(SIZE, q.size() + q.remainingCapacity()); |
424 |
> |
assertEquals(i, q.remove()); |
425 |
|
} |
426 |
|
for (int i = 0; i < SIZE; ++i) { |
427 |
< |
assertEquals(SIZE-i, q.remainingCapacity()); |
428 |
< |
assertEquals(i, q.size()); |
429 |
< |
q.add(new Integer(i)); |
427 |
> |
assertEquals(SIZE - i, q.remainingCapacity()); |
428 |
> |
assertEquals(SIZE, q.size() + q.remainingCapacity()); |
429 |
> |
assertTrue(q.add(i)); |
430 |
|
} |
431 |
|
} |
432 |
|
|
433 |
|
/** |
370 |
– |
* offer(null) throws NPE |
371 |
– |
*/ |
372 |
– |
public void testOfferNull() { |
373 |
– |
try { |
374 |
– |
LinkedBlockingDeque q = new LinkedBlockingDeque(1); |
375 |
– |
q.offer(null); |
376 |
– |
shouldThrow(); |
377 |
– |
} catch (NullPointerException success) {} |
378 |
– |
} |
379 |
– |
|
380 |
– |
/** |
381 |
– |
* add(null) throws NPE |
382 |
– |
*/ |
383 |
– |
public void testAddNull() { |
384 |
– |
try { |
385 |
– |
LinkedBlockingDeque q = new LinkedBlockingDeque(1); |
386 |
– |
q.add(null); |
387 |
– |
shouldThrow(); |
388 |
– |
} catch (NullPointerException success) {} |
389 |
– |
} |
390 |
– |
|
391 |
– |
/** |
434 |
|
* push(null) throws NPE |
435 |
|
*/ |
436 |
|
public void testPushNull() { |
437 |
+ |
LinkedBlockingDeque q = new LinkedBlockingDeque(1); |
438 |
|
try { |
396 |
– |
LinkedBlockingDeque q = new LinkedBlockingDeque(1); |
439 |
|
q.push(null); |
440 |
|
shouldThrow(); |
441 |
|
} catch (NullPointerException success) {} |
445 |
|
* push succeeds if not full; throws ISE if full |
446 |
|
*/ |
447 |
|
public void testPush() { |
448 |
+ |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
449 |
+ |
for (int i = 0; i < SIZE; ++i) { |
450 |
+ |
Integer x = new Integer(i); |
451 |
+ |
q.push(x); |
452 |
+ |
assertEquals(x, q.peek()); |
453 |
+ |
} |
454 |
+ |
assertEquals(0, q.remainingCapacity()); |
455 |
|
try { |
407 |
– |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
408 |
– |
for (int i = 0; i < SIZE; ++i) { |
409 |
– |
Integer I = new Integer(i); |
410 |
– |
q.push(I); |
411 |
– |
assertEquals(I, q.peek()); |
412 |
– |
} |
413 |
– |
assertEquals(0, q.remainingCapacity()); |
456 |
|
q.push(new Integer(SIZE)); |
457 |
|
shouldThrow(); |
458 |
|
} catch (IllegalStateException success) {} |
465 |
|
LinkedBlockingDeque q = populatedDeque(3); |
466 |
|
q.pollLast(); |
467 |
|
q.push(four); |
468 |
< |
assertEquals(four,q.peekFirst()); |
468 |
> |
assertSame(four, q.peekFirst()); |
469 |
|
} |
470 |
|
|
429 |
– |
|
471 |
|
/** |
472 |
< |
* pop removes next element, or throws NSEE if empty |
472 |
> |
* pop removes next element, or throws NSEE if empty |
473 |
|
*/ |
474 |
|
public void testPop() { |
475 |
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
476 |
|
for (int i = 0; i < SIZE; ++i) { |
477 |
< |
assertEquals(i, ((Integer)q.pop()).intValue()); |
477 |
> |
assertEquals(i, q.pop()); |
478 |
|
} |
479 |
|
try { |
480 |
|
q.pop(); |
482 |
|
} catch (NoSuchElementException success) {} |
483 |
|
} |
484 |
|
|
444 |
– |
|
485 |
|
/** |
486 |
|
* Offer succeeds if not full; fails if full |
487 |
|
*/ |
495 |
|
* add succeeds if not full; throws ISE if full |
496 |
|
*/ |
497 |
|
public void testAdd() { |
498 |
+ |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
499 |
+ |
for (int i = 0; i < SIZE; ++i) |
500 |
+ |
assertTrue(q.add(new Integer(i))); |
501 |
+ |
assertEquals(0, q.remainingCapacity()); |
502 |
|
try { |
459 |
– |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
460 |
– |
for (int i = 0; i < SIZE; ++i) { |
461 |
– |
assertTrue(q.add(new Integer(i))); |
462 |
– |
} |
463 |
– |
assertEquals(0, q.remainingCapacity()); |
503 |
|
q.add(new Integer(SIZE)); |
504 |
|
shouldThrow(); |
505 |
|
} catch (IllegalStateException success) {} |
506 |
|
} |
507 |
|
|
508 |
|
/** |
470 |
– |
* addAll(null) throws NPE |
471 |
– |
*/ |
472 |
– |
public void testAddAll1() { |
473 |
– |
try { |
474 |
– |
LinkedBlockingDeque q = new LinkedBlockingDeque(1); |
475 |
– |
q.addAll(null); |
476 |
– |
shouldThrow(); |
477 |
– |
} catch (NullPointerException success) {} |
478 |
– |
} |
479 |
– |
|
480 |
– |
/** |
509 |
|
* addAll(this) throws IAE |
510 |
|
*/ |
511 |
|
public void testAddAllSelf() { |
512 |
+ |
LinkedBlockingDeque q = populatedDeque(SIZE); |
513 |
|
try { |
485 |
– |
LinkedBlockingDeque q = populatedDeque(SIZE); |
514 |
|
q.addAll(q); |
515 |
|
shouldThrow(); |
516 |
|
} catch (IllegalArgumentException success) {} |
517 |
|
} |
518 |
|
|
519 |
|
/** |
492 |
– |
* addAll of a collection with null elements throws NPE |
493 |
– |
*/ |
494 |
– |
public void testAddAll2() { |
495 |
– |
try { |
496 |
– |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
497 |
– |
Integer[] ints = new Integer[SIZE]; |
498 |
– |
q.addAll(Arrays.asList(ints)); |
499 |
– |
shouldThrow(); |
500 |
– |
} catch (NullPointerException success) {} |
501 |
– |
} |
502 |
– |
/** |
520 |
|
* addAll of a collection with any null elements throws NPE after |
521 |
|
* possibly adding some elements |
522 |
|
*/ |
523 |
|
public void testAddAll3() { |
524 |
+ |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
525 |
+ |
Integer[] ints = new Integer[SIZE]; |
526 |
+ |
for (int i = 0; i < SIZE - 1; ++i) |
527 |
+ |
ints[i] = new Integer(i); |
528 |
+ |
Collection<Integer> elements = Arrays.asList(ints); |
529 |
|
try { |
530 |
< |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
509 |
< |
Integer[] ints = new Integer[SIZE]; |
510 |
< |
for (int i = 0; i < SIZE-1; ++i) |
511 |
< |
ints[i] = new Integer(i); |
512 |
< |
q.addAll(Arrays.asList(ints)); |
530 |
> |
q.addAll(elements); |
531 |
|
shouldThrow(); |
532 |
|
} catch (NullPointerException success) {} |
533 |
|
} |
534 |
+ |
|
535 |
|
/** |
536 |
< |
* addAll throws ISE if not enough room |
536 |
> |
* addAll throws IllegalStateException if not enough room |
537 |
|
*/ |
538 |
|
public void testAddAll4() { |
539 |
+ |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE - 1); |
540 |
+ |
Integer[] ints = new Integer[SIZE]; |
541 |
+ |
for (int i = 0; i < SIZE; ++i) |
542 |
+ |
ints[i] = new Integer(i); |
543 |
+ |
Collection<Integer> elements = Arrays.asList(ints); |
544 |
|
try { |
545 |
< |
LinkedBlockingDeque q = new LinkedBlockingDeque(1); |
522 |
< |
Integer[] ints = new Integer[SIZE]; |
523 |
< |
for (int i = 0; i < SIZE; ++i) |
524 |
< |
ints[i] = new Integer(i); |
525 |
< |
q.addAll(Arrays.asList(ints)); |
545 |
> |
q.addAll(elements); |
546 |
|
shouldThrow(); |
547 |
|
} catch (IllegalStateException success) {} |
548 |
|
} |
549 |
+ |
|
550 |
|
/** |
551 |
|
* Deque contains all elements, in traversal order, of successful addAll |
552 |
|
*/ |
553 |
|
public void testAddAll5() { |
554 |
< |
try { |
555 |
< |
Integer[] empty = new Integer[0]; |
556 |
< |
Integer[] ints = new Integer[SIZE]; |
557 |
< |
for (int i = 0; i < SIZE; ++i) |
558 |
< |
ints[i] = new Integer(i); |
559 |
< |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
560 |
< |
assertFalse(q.addAll(Arrays.asList(empty))); |
561 |
< |
assertTrue(q.addAll(Arrays.asList(ints))); |
562 |
< |
for (int i = 0; i < SIZE; ++i) |
542 |
< |
assertEquals(ints[i], q.poll()); |
543 |
< |
} |
544 |
< |
finally {} |
554 |
> |
Integer[] empty = new Integer[0]; |
555 |
> |
Integer[] ints = new Integer[SIZE]; |
556 |
> |
for (int i = 0; i < SIZE; ++i) |
557 |
> |
ints[i] = new Integer(i); |
558 |
> |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
559 |
> |
assertFalse(q.addAll(Arrays.asList(empty))); |
560 |
> |
assertTrue(q.addAll(Arrays.asList(ints))); |
561 |
> |
for (int i = 0; i < SIZE; ++i) |
562 |
> |
assertEquals(ints[i], q.poll()); |
563 |
|
} |
564 |
|
|
547 |
– |
|
548 |
– |
/** |
549 |
– |
* put(null) throws NPE |
550 |
– |
*/ |
551 |
– |
public void testPutNull() throws InterruptedException { |
552 |
– |
try { |
553 |
– |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
554 |
– |
q.put(null); |
555 |
– |
shouldThrow(); |
556 |
– |
} catch (NullPointerException success) {} |
557 |
– |
} |
558 |
– |
|
565 |
|
/** |
566 |
|
* all elements successfully put are contained |
567 |
|
*/ |
568 |
< |
public void testPut() throws InterruptedException { |
569 |
< |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
570 |
< |
for (int i = 0; i < SIZE; ++i) { |
571 |
< |
Integer I = new Integer(i); |
572 |
< |
q.put(I); |
573 |
< |
assertTrue(q.contains(I)); |
574 |
< |
} |
575 |
< |
assertEquals(0, q.remainingCapacity()); |
568 |
> |
public void testPut() throws InterruptedException { |
569 |
> |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
570 |
> |
for (int i = 0; i < SIZE; ++i) { |
571 |
> |
Integer x = new Integer(i); |
572 |
> |
q.put(x); |
573 |
> |
assertTrue(q.contains(x)); |
574 |
> |
} |
575 |
> |
assertEquals(0, q.remainingCapacity()); |
576 |
|
} |
577 |
|
|
578 |
|
/** |
579 |
|
* put blocks interruptibly if full |
580 |
|
*/ |
581 |
|
public void testBlockingPut() throws InterruptedException { |
582 |
< |
Thread t = new Thread(new CheckedRunnable() { |
583 |
< |
public void realRun() { |
584 |
< |
int added = 0; |
582 |
> |
final LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
583 |
> |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
584 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
585 |
> |
public void realRun() throws InterruptedException { |
586 |
> |
for (int i = 0; i < SIZE; ++i) |
587 |
> |
q.put(i); |
588 |
> |
assertEquals(SIZE, q.size()); |
589 |
> |
assertEquals(0, q.remainingCapacity()); |
590 |
> |
|
591 |
> |
Thread.currentThread().interrupt(); |
592 |
|
try { |
593 |
< |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
594 |
< |
for (int i = 0; i < SIZE; ++i) { |
595 |
< |
q.put(new Integer(i)); |
596 |
< |
++added; |
597 |
< |
} |
598 |
< |
q.put(new Integer(SIZE)); |
599 |
< |
threadShouldThrow(); |
600 |
< |
} catch (InterruptedException success) { |
601 |
< |
threadAssertEquals(added, SIZE); |
602 |
< |
} |
593 |
> |
q.put(99); |
594 |
> |
shouldThrow(); |
595 |
> |
} catch (InterruptedException success) {} |
596 |
> |
assertFalse(Thread.interrupted()); |
597 |
> |
|
598 |
> |
pleaseInterrupt.countDown(); |
599 |
> |
try { |
600 |
> |
q.put(99); |
601 |
> |
shouldThrow(); |
602 |
> |
} catch (InterruptedException success) {} |
603 |
> |
assertFalse(Thread.interrupted()); |
604 |
|
}}); |
605 |
|
|
606 |
< |
t.start(); |
607 |
< |
Thread.sleep(SHORT_DELAY_MS); |
606 |
> |
await(pleaseInterrupt); |
607 |
> |
assertThreadStaysAlive(t); |
608 |
|
t.interrupt(); |
609 |
< |
t.join(); |
609 |
> |
awaitTermination(t); |
610 |
> |
assertEquals(SIZE, q.size()); |
611 |
> |
assertEquals(0, q.remainingCapacity()); |
612 |
|
} |
613 |
|
|
614 |
|
/** |
615 |
< |
* put blocks waiting for take when full |
615 |
> |
* put blocks interruptibly waiting for take when full |
616 |
|
*/ |
617 |
|
public void testPutWithTake() throws InterruptedException { |
618 |
< |
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
619 |
< |
Thread t = new Thread(new Runnable() { |
620 |
< |
public void run() { |
621 |
< |
int added = 0; |
622 |
< |
try { |
623 |
< |
q.put(new Object()); |
624 |
< |
++added; |
625 |
< |
q.put(new Object()); |
626 |
< |
++added; |
627 |
< |
q.put(new Object()); |
612 |
< |
++added; |
613 |
< |
q.put(new Object()); |
614 |
< |
++added; |
615 |
< |
threadShouldThrow(); |
616 |
< |
} catch (InterruptedException success) { |
617 |
< |
threadAssertTrue(added >= 2); |
618 |
< |
} |
619 |
< |
} |
620 |
< |
}); |
618 |
> |
final int capacity = 2; |
619 |
> |
final LinkedBlockingDeque q = new LinkedBlockingDeque(capacity); |
620 |
> |
final CountDownLatch pleaseTake = new CountDownLatch(1); |
621 |
> |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
622 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
623 |
> |
public void realRun() throws InterruptedException { |
624 |
> |
for (int i = 0; i < capacity; i++) |
625 |
> |
q.put(i); |
626 |
> |
pleaseTake.countDown(); |
627 |
> |
q.put(86); |
628 |
|
|
629 |
< |
t.start(); |
630 |
< |
Thread.sleep(SHORT_DELAY_MS); |
631 |
< |
q.take(); |
629 |
> |
pleaseInterrupt.countDown(); |
630 |
> |
try { |
631 |
> |
q.put(99); |
632 |
> |
shouldThrow(); |
633 |
> |
} catch (InterruptedException success) {} |
634 |
> |
assertFalse(Thread.interrupted()); |
635 |
> |
}}); |
636 |
> |
|
637 |
> |
await(pleaseTake); |
638 |
> |
assertEquals(0, q.remainingCapacity()); |
639 |
> |
assertEquals(0, q.take()); |
640 |
> |
|
641 |
> |
await(pleaseInterrupt); |
642 |
> |
assertThreadStaysAlive(t); |
643 |
|
t.interrupt(); |
644 |
< |
t.join(); |
644 |
> |
awaitTermination(t); |
645 |
> |
assertEquals(0, q.remainingCapacity()); |
646 |
|
} |
647 |
|
|
648 |
|
/** |
650 |
|
*/ |
651 |
|
public void testTimedOffer() throws InterruptedException { |
652 |
|
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
653 |
< |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
653 |
> |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
654 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
655 |
|
public void realRun() throws InterruptedException { |
656 |
|
q.put(new Object()); |
657 |
|
q.put(new Object()); |
658 |
< |
threadAssertFalse(q.offer(new Object(), SHORT_DELAY_MS, MILLISECONDS)); |
659 |
< |
q.offer(new Object(), LONG_DELAY_MS, MILLISECONDS); |
660 |
< |
}}; |
658 |
> |
long startTime = System.nanoTime(); |
659 |
> |
assertFalse(q.offer(new Object(), timeoutMillis(), MILLISECONDS)); |
660 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
661 |
> |
pleaseInterrupt.countDown(); |
662 |
> |
try { |
663 |
> |
q.offer(new Object(), 2 * LONG_DELAY_MS, MILLISECONDS); |
664 |
> |
shouldThrow(); |
665 |
> |
} catch (InterruptedException success) {} |
666 |
> |
}}); |
667 |
|
|
668 |
< |
t.start(); |
669 |
< |
Thread.sleep(SMALL_DELAY_MS); |
668 |
> |
await(pleaseInterrupt); |
669 |
> |
assertThreadStaysAlive(t); |
670 |
|
t.interrupt(); |
671 |
< |
t.join(); |
671 |
> |
awaitTermination(t); |
672 |
|
} |
673 |
|
|
674 |
|
/** |
677 |
|
public void testTake() throws InterruptedException { |
678 |
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
679 |
|
for (int i = 0; i < SIZE; ++i) { |
680 |
< |
assertEquals(i, ((Integer)q.take()).intValue()); |
680 |
> |
assertEquals(i, q.take()); |
681 |
|
} |
682 |
|
} |
683 |
|
|
684 |
|
/** |
685 |
< |
* take blocks interruptibly when empty |
660 |
< |
*/ |
661 |
< |
public void testTakeFromEmpty() throws InterruptedException { |
662 |
< |
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
663 |
< |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
664 |
< |
public void realRun() throws InterruptedException { |
665 |
< |
q.take(); |
666 |
< |
}}; |
667 |
< |
|
668 |
< |
t.start(); |
669 |
< |
Thread.sleep(SHORT_DELAY_MS); |
670 |
< |
t.interrupt(); |
671 |
< |
t.join(); |
672 |
< |
} |
673 |
< |
|
674 |
< |
/** |
675 |
< |
* Take removes existing elements until empty, then blocks interruptibly |
685 |
> |
* take removes existing elements until empty, then blocks interruptibly |
686 |
|
*/ |
687 |
|
public void testBlockingTake() throws InterruptedException { |
688 |
< |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
688 |
> |
final LinkedBlockingDeque q = populatedDeque(SIZE); |
689 |
> |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
690 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
691 |
|
public void realRun() throws InterruptedException { |
680 |
– |
LinkedBlockingDeque q = populatedDeque(SIZE); |
692 |
|
for (int i = 0; i < SIZE; ++i) { |
693 |
< |
assertEquals(i, ((Integer)q.take()).intValue()); |
693 |
> |
assertEquals(i, q.take()); |
694 |
|
} |
684 |
– |
q.take(); |
685 |
– |
}}; |
695 |
|
|
696 |
< |
t.start(); |
697 |
< |
Thread.sleep(SHORT_DELAY_MS); |
696 |
> |
Thread.currentThread().interrupt(); |
697 |
> |
try { |
698 |
> |
q.take(); |
699 |
> |
shouldThrow(); |
700 |
> |
} catch (InterruptedException success) {} |
701 |
> |
assertFalse(Thread.interrupted()); |
702 |
> |
|
703 |
> |
pleaseInterrupt.countDown(); |
704 |
> |
try { |
705 |
> |
q.take(); |
706 |
> |
shouldThrow(); |
707 |
> |
} catch (InterruptedException success) {} |
708 |
> |
assertFalse(Thread.interrupted()); |
709 |
> |
}}); |
710 |
> |
|
711 |
> |
await(pleaseInterrupt); |
712 |
> |
assertThreadStaysAlive(t); |
713 |
|
t.interrupt(); |
714 |
< |
t.join(); |
714 |
> |
awaitTermination(t); |
715 |
|
} |
716 |
|
|
693 |
– |
|
717 |
|
/** |
718 |
|
* poll succeeds unless empty |
719 |
|
*/ |
720 |
|
public void testPoll() { |
721 |
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
722 |
|
for (int i = 0; i < SIZE; ++i) { |
723 |
< |
assertEquals(i, ((Integer)q.poll()).intValue()); |
723 |
> |
assertEquals(i, q.poll()); |
724 |
|
} |
725 |
|
assertNull(q.poll()); |
726 |
|
} |
731 |
|
public void testTimedPoll0() throws InterruptedException { |
732 |
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
733 |
|
for (int i = 0; i < SIZE; ++i) { |
734 |
< |
assertEquals(i, ((Integer)q.poll(0, MILLISECONDS)).intValue()); |
734 |
> |
assertEquals(i, q.poll(0, MILLISECONDS)); |
735 |
|
} |
736 |
|
assertNull(q.poll(0, MILLISECONDS)); |
737 |
|
} |
742 |
|
public void testTimedPoll() throws InterruptedException { |
743 |
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
744 |
|
for (int i = 0; i < SIZE; ++i) { |
745 |
< |
assertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, MILLISECONDS)).intValue()); |
746 |
< |
} |
747 |
< |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
745 |
> |
long startTime = System.nanoTime(); |
746 |
> |
assertEquals(i, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
747 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
748 |
> |
} |
749 |
> |
long startTime = System.nanoTime(); |
750 |
> |
assertNull(q.poll(timeoutMillis(), MILLISECONDS)); |
751 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
752 |
> |
checkEmpty(q); |
753 |
|
} |
754 |
|
|
755 |
|
/** |
757 |
|
* returning timeout status |
758 |
|
*/ |
759 |
|
public void testInterruptedTimedPoll() throws InterruptedException { |
760 |
< |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
760 |
> |
final BlockingQueue<Integer> q = populatedDeque(SIZE); |
761 |
> |
final CountDownLatch aboutToWait = new CountDownLatch(1); |
762 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
763 |
|
public void realRun() throws InterruptedException { |
764 |
< |
LinkedBlockingDeque q = populatedDeque(SIZE); |
764 |
> |
long startTime = System.nanoTime(); |
765 |
|
for (int i = 0; i < SIZE; ++i) { |
766 |
< |
threadAssertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, MILLISECONDS)).intValue()); |
766 |
> |
assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS)); |
767 |
|
} |
768 |
< |
q.poll(SMALL_DELAY_MS, MILLISECONDS); |
769 |
< |
}}; |
770 |
< |
|
771 |
< |
t.start(); |
772 |
< |
Thread.sleep(SHORT_DELAY_MS); |
773 |
< |
t.interrupt(); |
774 |
< |
t.join(); |
775 |
< |
} |
746 |
< |
|
747 |
< |
/** |
748 |
< |
* timed poll before a delayed offer fails; after offer succeeds; |
749 |
< |
* on interruption throws |
750 |
< |
*/ |
751 |
< |
public void testTimedPollWithOffer() throws InterruptedException { |
752 |
< |
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
753 |
< |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
754 |
< |
public void realRun() throws InterruptedException { |
755 |
< |
threadAssertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
756 |
< |
q.poll(LONG_DELAY_MS, MILLISECONDS); |
757 |
< |
q.poll(LONG_DELAY_MS, MILLISECONDS); |
758 |
< |
}}; |
768 |
> |
aboutToWait.countDown(); |
769 |
> |
try { |
770 |
> |
q.poll(LONG_DELAY_MS, MILLISECONDS); |
771 |
> |
shouldThrow(); |
772 |
> |
} catch (InterruptedException success) { |
773 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
774 |
> |
} |
775 |
> |
}}); |
776 |
|
|
777 |
< |
t.start(); |
778 |
< |
Thread.sleep(SMALL_DELAY_MS); |
762 |
< |
assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS)); |
777 |
> |
aboutToWait.await(); |
778 |
> |
waitForThreadToEnterWaitState(t); |
779 |
|
t.interrupt(); |
780 |
< |
t.join(); |
780 |
> |
awaitTermination(t); |
781 |
> |
checkEmpty(q); |
782 |
|
} |
783 |
|
|
767 |
– |
|
784 |
|
/** |
785 |
|
* putFirst(null) throws NPE |
786 |
|
*/ |
787 |
< |
public void testPutFirstNull() throws InterruptedException { |
787 |
> |
public void testPutFirstNull() throws InterruptedException { |
788 |
> |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
789 |
|
try { |
773 |
– |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
790 |
|
q.putFirst(null); |
791 |
|
shouldThrow(); |
792 |
|
} catch (NullPointerException success) {} |
793 |
< |
} |
793 |
> |
} |
794 |
|
|
795 |
|
/** |
796 |
|
* all elements successfully putFirst are contained |
797 |
|
*/ |
798 |
< |
public void testPutFirst() throws InterruptedException { |
799 |
< |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
800 |
< |
for (int i = 0; i < SIZE; ++i) { |
801 |
< |
Integer I = new Integer(i); |
802 |
< |
q.putFirst(I); |
803 |
< |
assertTrue(q.contains(I)); |
804 |
< |
} |
805 |
< |
assertEquals(0, q.remainingCapacity()); |
798 |
> |
public void testPutFirst() throws InterruptedException { |
799 |
> |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
800 |
> |
for (int i = 0; i < SIZE; ++i) { |
801 |
> |
Integer x = new Integer(i); |
802 |
> |
q.putFirst(x); |
803 |
> |
assertTrue(q.contains(x)); |
804 |
> |
} |
805 |
> |
assertEquals(0, q.remainingCapacity()); |
806 |
|
} |
807 |
|
|
808 |
|
/** |
809 |
|
* putFirst blocks interruptibly if full |
810 |
|
*/ |
811 |
|
public void testBlockingPutFirst() throws InterruptedException { |
812 |
< |
Thread t = new Thread(new Runnable() { |
813 |
< |
public void run() { |
814 |
< |
int added = 0; |
815 |
< |
try { |
816 |
< |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
817 |
< |
for (int i = 0; i < SIZE; ++i) { |
818 |
< |
q.putFirst(new Integer(i)); |
819 |
< |
++added; |
804 |
< |
} |
805 |
< |
q.putFirst(new Integer(SIZE)); |
806 |
< |
threadShouldThrow(); |
807 |
< |
} catch (InterruptedException success) { |
808 |
< |
threadAssertEquals(added, SIZE); |
809 |
< |
} |
810 |
< |
}}); |
812 |
> |
final LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
813 |
> |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
814 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
815 |
> |
public void realRun() throws InterruptedException { |
816 |
> |
for (int i = 0; i < SIZE; ++i) |
817 |
> |
q.putFirst(i); |
818 |
> |
assertEquals(SIZE, q.size()); |
819 |
> |
assertEquals(0, q.remainingCapacity()); |
820 |
|
|
821 |
< |
t.start(); |
822 |
< |
Thread.sleep(SHORT_DELAY_MS); |
821 |
> |
Thread.currentThread().interrupt(); |
822 |
> |
try { |
823 |
> |
q.putFirst(99); |
824 |
> |
shouldThrow(); |
825 |
> |
} catch (InterruptedException success) {} |
826 |
> |
assertFalse(Thread.interrupted()); |
827 |
> |
|
828 |
> |
pleaseInterrupt.countDown(); |
829 |
> |
try { |
830 |
> |
q.putFirst(99); |
831 |
> |
shouldThrow(); |
832 |
> |
} catch (InterruptedException success) {} |
833 |
> |
assertFalse(Thread.interrupted()); |
834 |
> |
}}); |
835 |
> |
|
836 |
> |
await(pleaseInterrupt); |
837 |
> |
assertThreadStaysAlive(t); |
838 |
|
t.interrupt(); |
839 |
< |
t.join(); |
839 |
> |
awaitTermination(t); |
840 |
> |
assertEquals(SIZE, q.size()); |
841 |
> |
assertEquals(0, q.remainingCapacity()); |
842 |
|
} |
843 |
|
|
844 |
|
/** |
845 |
< |
* putFirst blocks waiting for take when full |
845 |
> |
* putFirst blocks interruptibly waiting for take when full |
846 |
|
*/ |
847 |
|
public void testPutFirstWithTake() throws InterruptedException { |
848 |
< |
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
849 |
< |
Thread t = new Thread(new Runnable() { |
850 |
< |
public void run() { |
851 |
< |
int added = 0; |
852 |
< |
try { |
853 |
< |
q.putFirst(new Object()); |
854 |
< |
++added; |
855 |
< |
q.putFirst(new Object()); |
856 |
< |
++added; |
857 |
< |
q.putFirst(new Object()); |
832 |
< |
++added; |
833 |
< |
q.putFirst(new Object()); |
834 |
< |
++added; |
835 |
< |
threadShouldThrow(); |
836 |
< |
} catch (InterruptedException success) { |
837 |
< |
threadAssertTrue(added >= 2); |
838 |
< |
} |
839 |
< |
} |
840 |
< |
}); |
848 |
> |
final int capacity = 2; |
849 |
> |
final LinkedBlockingDeque q = new LinkedBlockingDeque(capacity); |
850 |
> |
final CountDownLatch pleaseTake = new CountDownLatch(1); |
851 |
> |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
852 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
853 |
> |
public void realRun() throws InterruptedException { |
854 |
> |
for (int i = 0; i < capacity; i++) |
855 |
> |
q.putFirst(i); |
856 |
> |
pleaseTake.countDown(); |
857 |
> |
q.putFirst(86); |
858 |
|
|
859 |
< |
t.start(); |
860 |
< |
Thread.sleep(SHORT_DELAY_MS); |
861 |
< |
q.take(); |
859 |
> |
pleaseInterrupt.countDown(); |
860 |
> |
try { |
861 |
> |
q.putFirst(99); |
862 |
> |
shouldThrow(); |
863 |
> |
} catch (InterruptedException success) {} |
864 |
> |
assertFalse(Thread.interrupted()); |
865 |
> |
}}); |
866 |
> |
|
867 |
> |
await(pleaseTake); |
868 |
> |
assertEquals(0, q.remainingCapacity()); |
869 |
> |
assertEquals(capacity - 1, q.take()); |
870 |
> |
|
871 |
> |
await(pleaseInterrupt); |
872 |
> |
assertThreadStaysAlive(t); |
873 |
|
t.interrupt(); |
874 |
< |
t.join(); |
874 |
> |
awaitTermination(t); |
875 |
> |
assertEquals(0, q.remainingCapacity()); |
876 |
|
} |
877 |
|
|
878 |
|
/** |
880 |
|
*/ |
881 |
|
public void testTimedOfferFirst() throws InterruptedException { |
882 |
|
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
883 |
< |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
883 |
> |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
884 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
885 |
|
public void realRun() throws InterruptedException { |
886 |
|
q.putFirst(new Object()); |
887 |
|
q.putFirst(new Object()); |
888 |
< |
threadAssertFalse(q.offerFirst(new Object(), SHORT_DELAY_MS, MILLISECONDS)); |
889 |
< |
q.offerFirst(new Object(), LONG_DELAY_MS, MILLISECONDS); |
890 |
< |
}}; |
888 |
> |
long startTime = System.nanoTime(); |
889 |
> |
assertFalse(q.offerFirst(new Object(), timeoutMillis(), MILLISECONDS)); |
890 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
891 |
> |
pleaseInterrupt.countDown(); |
892 |
> |
try { |
893 |
> |
q.offerFirst(new Object(), 2 * LONG_DELAY_MS, MILLISECONDS); |
894 |
> |
shouldThrow(); |
895 |
> |
} catch (InterruptedException success) {} |
896 |
> |
}}); |
897 |
|
|
898 |
< |
t.start(); |
899 |
< |
Thread.sleep(SMALL_DELAY_MS); |
898 |
> |
await(pleaseInterrupt); |
899 |
> |
assertThreadStaysAlive(t); |
900 |
|
t.interrupt(); |
901 |
< |
t.join(); |
901 |
> |
awaitTermination(t); |
902 |
|
} |
903 |
|
|
904 |
|
/** |
907 |
|
public void testTakeFirst() throws InterruptedException { |
908 |
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
909 |
|
for (int i = 0; i < SIZE; ++i) { |
910 |
< |
assertEquals(i, ((Integer)q.takeFirst()).intValue()); |
910 |
> |
assertEquals(i, q.takeFirst()); |
911 |
|
} |
912 |
|
} |
913 |
|
|
914 |
|
/** |
915 |
< |
* takeFirst blocks interruptibly when empty |
915 |
> |
* takeFirst() blocks interruptibly when empty |
916 |
|
*/ |
917 |
< |
public void testTakeFirstFromEmpty() throws InterruptedException { |
918 |
< |
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
919 |
< |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
920 |
< |
public void realRun() throws InterruptedException { |
921 |
< |
q.takeFirst(); |
922 |
< |
}}; |
917 |
> |
public void testTakeFirstFromEmptyBlocksInterruptibly() { |
918 |
> |
final BlockingDeque q = new LinkedBlockingDeque(); |
919 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
920 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
921 |
> |
public void realRun() { |
922 |
> |
threadStarted.countDown(); |
923 |
> |
try { |
924 |
> |
q.takeFirst(); |
925 |
> |
shouldThrow(); |
926 |
> |
} catch (InterruptedException success) {} |
927 |
> |
assertFalse(Thread.interrupted()); |
928 |
> |
}}); |
929 |
|
|
930 |
< |
t.start(); |
931 |
< |
Thread.sleep(SHORT_DELAY_MS); |
930 |
> |
await(threadStarted); |
931 |
> |
assertThreadStaysAlive(t); |
932 |
|
t.interrupt(); |
933 |
< |
t.join(); |
933 |
> |
awaitTermination(t); |
934 |
|
} |
935 |
|
|
936 |
|
/** |
937 |
< |
* TakeFirst removes existing elements until empty, then blocks interruptibly |
937 |
> |
* takeFirst() throws InterruptedException immediately if interrupted |
938 |
> |
* before waiting |
939 |
> |
*/ |
940 |
> |
public void testTakeFirstFromEmptyAfterInterrupt() { |
941 |
> |
final BlockingDeque q = new LinkedBlockingDeque(); |
942 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
943 |
> |
public void realRun() { |
944 |
> |
Thread.currentThread().interrupt(); |
945 |
> |
try { |
946 |
> |
q.takeFirst(); |
947 |
> |
shouldThrow(); |
948 |
> |
} catch (InterruptedException success) {} |
949 |
> |
assertFalse(Thread.interrupted()); |
950 |
> |
}}); |
951 |
> |
|
952 |
> |
awaitTermination(t); |
953 |
> |
} |
954 |
> |
|
955 |
> |
/** |
956 |
> |
* takeLast() blocks interruptibly when empty |
957 |
> |
*/ |
958 |
> |
public void testTakeLastFromEmptyBlocksInterruptibly() { |
959 |
> |
final BlockingDeque q = new LinkedBlockingDeque(); |
960 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
961 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
962 |
> |
public void realRun() { |
963 |
> |
threadStarted.countDown(); |
964 |
> |
try { |
965 |
> |
q.takeLast(); |
966 |
> |
shouldThrow(); |
967 |
> |
} catch (InterruptedException success) {} |
968 |
> |
assertFalse(Thread.interrupted()); |
969 |
> |
}}); |
970 |
> |
|
971 |
> |
await(threadStarted); |
972 |
> |
assertThreadStaysAlive(t); |
973 |
> |
t.interrupt(); |
974 |
> |
awaitTermination(t); |
975 |
> |
} |
976 |
> |
|
977 |
> |
/** |
978 |
> |
* takeLast() throws InterruptedException immediately if interrupted |
979 |
> |
* before waiting |
980 |
> |
*/ |
981 |
> |
public void testTakeLastFromEmptyAfterInterrupt() { |
982 |
> |
final BlockingDeque q = new LinkedBlockingDeque(); |
983 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
984 |
> |
public void realRun() { |
985 |
> |
Thread.currentThread().interrupt(); |
986 |
> |
try { |
987 |
> |
q.takeLast(); |
988 |
> |
shouldThrow(); |
989 |
> |
} catch (InterruptedException success) {} |
990 |
> |
assertFalse(Thread.interrupted()); |
991 |
> |
}}); |
992 |
> |
|
993 |
> |
awaitTermination(t); |
994 |
> |
} |
995 |
> |
|
996 |
> |
/** |
997 |
> |
* takeFirst removes existing elements until empty, then blocks interruptibly |
998 |
|
*/ |
999 |
|
public void testBlockingTakeFirst() throws InterruptedException { |
1000 |
< |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
1000 |
> |
final LinkedBlockingDeque q = populatedDeque(SIZE); |
1001 |
> |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
1002 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1003 |
|
public void realRun() throws InterruptedException { |
900 |
– |
LinkedBlockingDeque q = populatedDeque(SIZE); |
1004 |
|
for (int i = 0; i < SIZE; ++i) { |
1005 |
< |
assertEquals(i, ((Integer)q.takeFirst()).intValue()); |
1005 |
> |
assertEquals(i, q.takeFirst()); |
1006 |
|
} |
904 |
– |
q.takeFirst(); |
905 |
– |
}}; |
1007 |
|
|
1008 |
< |
t.start(); |
1009 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1008 |
> |
Thread.currentThread().interrupt(); |
1009 |
> |
try { |
1010 |
> |
q.takeFirst(); |
1011 |
> |
shouldThrow(); |
1012 |
> |
} catch (InterruptedException success) {} |
1013 |
> |
assertFalse(Thread.interrupted()); |
1014 |
> |
|
1015 |
> |
pleaseInterrupt.countDown(); |
1016 |
> |
try { |
1017 |
> |
q.takeFirst(); |
1018 |
> |
shouldThrow(); |
1019 |
> |
} catch (InterruptedException success) {} |
1020 |
> |
assertFalse(Thread.interrupted()); |
1021 |
> |
}}); |
1022 |
> |
|
1023 |
> |
await(pleaseInterrupt); |
1024 |
> |
assertThreadStaysAlive(t); |
1025 |
|
t.interrupt(); |
1026 |
< |
t.join(); |
1026 |
> |
awaitTermination(t); |
1027 |
|
} |
1028 |
|
|
913 |
– |
|
1029 |
|
/** |
1030 |
|
* timed pollFirst with zero timeout succeeds when non-empty, else times out |
1031 |
|
*/ |
1032 |
|
public void testTimedPollFirst0() throws InterruptedException { |
1033 |
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1034 |
|
for (int i = 0; i < SIZE; ++i) { |
1035 |
< |
assertEquals(i, ((Integer)q.pollFirst(0, MILLISECONDS)).intValue()); |
1035 |
> |
assertEquals(i, q.pollFirst(0, MILLISECONDS)); |
1036 |
|
} |
1037 |
|
assertNull(q.pollFirst(0, MILLISECONDS)); |
1038 |
|
} |
1043 |
|
public void testTimedPollFirst() throws InterruptedException { |
1044 |
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1045 |
|
for (int i = 0; i < SIZE; ++i) { |
1046 |
< |
assertEquals(i, ((Integer)q.pollFirst(SHORT_DELAY_MS, MILLISECONDS)).intValue()); |
1047 |
< |
} |
1048 |
< |
assertNull(q.pollFirst(SHORT_DELAY_MS, MILLISECONDS)); |
1046 |
> |
long startTime = System.nanoTime(); |
1047 |
> |
assertEquals(i, q.pollFirst(LONG_DELAY_MS, MILLISECONDS)); |
1048 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1049 |
> |
} |
1050 |
> |
long startTime = System.nanoTime(); |
1051 |
> |
assertNull(q.pollFirst(timeoutMillis(), MILLISECONDS)); |
1052 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
1053 |
> |
checkEmpty(q); |
1054 |
|
} |
1055 |
|
|
1056 |
|
/** |
1058 |
|
* returning timeout status |
1059 |
|
*/ |
1060 |
|
public void testInterruptedTimedPollFirst() throws InterruptedException { |
1061 |
< |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
1061 |
> |
final LinkedBlockingDeque q = populatedDeque(SIZE); |
1062 |
> |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
1063 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1064 |
|
public void realRun() throws InterruptedException { |
1065 |
< |
LinkedBlockingDeque q = populatedDeque(SIZE); |
1065 |
> |
long startTime = System.nanoTime(); |
1066 |
|
for (int i = 0; i < SIZE; ++i) { |
1067 |
< |
threadAssertEquals(i, ((Integer)q.pollFirst(SHORT_DELAY_MS, MILLISECONDS)).intValue()); |
1067 |
> |
assertEquals(i, q.pollFirst(LONG_DELAY_MS, MILLISECONDS)); |
1068 |
|
} |
947 |
– |
q.pollFirst(SMALL_DELAY_MS, MILLISECONDS); |
948 |
– |
}}; |
1069 |
|
|
1070 |
< |
t.start(); |
1071 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1070 |
> |
Thread.currentThread().interrupt(); |
1071 |
> |
try { |
1072 |
> |
q.pollFirst(LONG_DELAY_MS, MILLISECONDS); |
1073 |
> |
shouldThrow(); |
1074 |
> |
} catch (InterruptedException success) {} |
1075 |
> |
assertFalse(Thread.interrupted()); |
1076 |
> |
|
1077 |
> |
pleaseInterrupt.countDown(); |
1078 |
> |
try { |
1079 |
> |
q.pollFirst(LONG_DELAY_MS, MILLISECONDS); |
1080 |
> |
shouldThrow(); |
1081 |
> |
} catch (InterruptedException success) {} |
1082 |
> |
assertFalse(Thread.interrupted()); |
1083 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1084 |
> |
}}); |
1085 |
> |
|
1086 |
> |
await(pleaseInterrupt); |
1087 |
> |
assertThreadStaysAlive(t); |
1088 |
|
t.interrupt(); |
1089 |
< |
t.join(); |
1089 |
> |
awaitTermination(t); |
1090 |
|
} |
1091 |
|
|
1092 |
|
/** |
1093 |
< |
* timed pollFirst before a delayed offerFirst fails; after offerFirst succeeds; |
1094 |
< |
* on interruption throws |
1093 |
> |
* timed pollFirst before a delayed offerFirst fails; after offerFirst succeeds; |
1094 |
> |
* on interruption throws |
1095 |
|
*/ |
1096 |
|
public void testTimedPollFirstWithOfferFirst() throws InterruptedException { |
1097 |
|
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
1098 |
< |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
1098 |
> |
final CheckedBarrier barrier = new CheckedBarrier(2); |
1099 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1100 |
|
public void realRun() throws InterruptedException { |
1101 |
< |
threadAssertNull(q.pollFirst(SHORT_DELAY_MS, MILLISECONDS)); |
1102 |
< |
q.pollFirst(LONG_DELAY_MS, MILLISECONDS); |
1103 |
< |
q.pollFirst(LONG_DELAY_MS, MILLISECONDS); |
967 |
< |
}}; |
1101 |
> |
long startTime = System.nanoTime(); |
1102 |
> |
assertNull(q.pollFirst(timeoutMillis(), MILLISECONDS)); |
1103 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
1104 |
|
|
1105 |
< |
t.start(); |
1106 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1107 |
< |
assertTrue(q.offerFirst(zero, SHORT_DELAY_MS, MILLISECONDS)); |
1105 |
> |
barrier.await(); |
1106 |
> |
|
1107 |
> |
assertSame(zero, q.pollFirst(LONG_DELAY_MS, MILLISECONDS)); |
1108 |
> |
|
1109 |
> |
Thread.currentThread().interrupt(); |
1110 |
> |
try { |
1111 |
> |
q.pollFirst(LONG_DELAY_MS, MILLISECONDS); |
1112 |
> |
shouldThrow(); |
1113 |
> |
} catch (InterruptedException success) {} |
1114 |
> |
|
1115 |
> |
barrier.await(); |
1116 |
> |
try { |
1117 |
> |
q.pollFirst(LONG_DELAY_MS, MILLISECONDS); |
1118 |
> |
shouldThrow(); |
1119 |
> |
} catch (InterruptedException success) {} |
1120 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1121 |
> |
}}); |
1122 |
> |
|
1123 |
> |
barrier.await(); |
1124 |
> |
long startTime = System.nanoTime(); |
1125 |
> |
assertTrue(q.offerFirst(zero, LONG_DELAY_MS, MILLISECONDS)); |
1126 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1127 |
> |
barrier.await(); |
1128 |
> |
assertThreadStaysAlive(t); |
1129 |
|
t.interrupt(); |
1130 |
< |
t.join(); |
1130 |
> |
awaitTermination(t); |
1131 |
|
} |
1132 |
|
|
1133 |
|
/** |
1134 |
|
* putLast(null) throws NPE |
1135 |
|
*/ |
1136 |
< |
public void testPutLastNull() throws InterruptedException { |
1136 |
> |
public void testPutLastNull() throws InterruptedException { |
1137 |
> |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
1138 |
|
try { |
981 |
– |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
1139 |
|
q.putLast(null); |
1140 |
|
shouldThrow(); |
1141 |
|
} catch (NullPointerException success) {} |
1142 |
< |
} |
1142 |
> |
} |
1143 |
|
|
1144 |
|
/** |
1145 |
|
* all elements successfully putLast are contained |
1146 |
|
*/ |
1147 |
< |
public void testPutLast() throws InterruptedException { |
1148 |
< |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
1149 |
< |
for (int i = 0; i < SIZE; ++i) { |
1150 |
< |
Integer I = new Integer(i); |
1151 |
< |
q.putLast(I); |
1152 |
< |
assertTrue(q.contains(I)); |
1153 |
< |
} |
1154 |
< |
assertEquals(0, q.remainingCapacity()); |
1147 |
> |
public void testPutLast() throws InterruptedException { |
1148 |
> |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
1149 |
> |
for (int i = 0; i < SIZE; ++i) { |
1150 |
> |
Integer x = new Integer(i); |
1151 |
> |
q.putLast(x); |
1152 |
> |
assertTrue(q.contains(x)); |
1153 |
> |
} |
1154 |
> |
assertEquals(0, q.remainingCapacity()); |
1155 |
|
} |
1156 |
|
|
1157 |
|
/** |
1158 |
|
* putLast blocks interruptibly if full |
1159 |
|
*/ |
1160 |
|
public void testBlockingPutLast() throws InterruptedException { |
1161 |
< |
Thread t = new Thread(new Runnable() { |
1162 |
< |
public void run() { |
1163 |
< |
int added = 0; |
1164 |
< |
try { |
1165 |
< |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
1166 |
< |
for (int i = 0; i < SIZE; ++i) { |
1167 |
< |
q.putLast(new Integer(i)); |
1168 |
< |
++added; |
1169 |
< |
} |
1170 |
< |
q.putLast(new Integer(SIZE)); |
1171 |
< |
threadShouldThrow(); |
1172 |
< |
} catch (InterruptedException success) { |
1173 |
< |
threadAssertEquals(added, SIZE); |
1174 |
< |
} |
1175 |
< |
}}); |
1176 |
< |
t.start(); |
1177 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1161 |
> |
final LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
1162 |
> |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
1163 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1164 |
> |
public void realRun() throws InterruptedException { |
1165 |
> |
for (int i = 0; i < SIZE; ++i) |
1166 |
> |
q.putLast(i); |
1167 |
> |
assertEquals(SIZE, q.size()); |
1168 |
> |
assertEquals(0, q.remainingCapacity()); |
1169 |
> |
|
1170 |
> |
Thread.currentThread().interrupt(); |
1171 |
> |
try { |
1172 |
> |
q.putLast(99); |
1173 |
> |
shouldThrow(); |
1174 |
> |
} catch (InterruptedException success) {} |
1175 |
> |
assertFalse(Thread.interrupted()); |
1176 |
> |
|
1177 |
> |
pleaseInterrupt.countDown(); |
1178 |
> |
try { |
1179 |
> |
q.putLast(99); |
1180 |
> |
shouldThrow(); |
1181 |
> |
} catch (InterruptedException success) {} |
1182 |
> |
assertFalse(Thread.interrupted()); |
1183 |
> |
}}); |
1184 |
> |
|
1185 |
> |
await(pleaseInterrupt); |
1186 |
> |
assertThreadStaysAlive(t); |
1187 |
|
t.interrupt(); |
1188 |
< |
t.join(); |
1188 |
> |
awaitTermination(t); |
1189 |
> |
assertEquals(SIZE, q.size()); |
1190 |
> |
assertEquals(0, q.remainingCapacity()); |
1191 |
|
} |
1192 |
|
|
1193 |
|
/** |
1194 |
< |
* putLast blocks waiting for take when full |
1194 |
> |
* putLast blocks interruptibly waiting for take when full |
1195 |
|
*/ |
1196 |
|
public void testPutLastWithTake() throws InterruptedException { |
1197 |
< |
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
1198 |
< |
Thread t = new Thread(new Runnable() { |
1199 |
< |
public void run() { |
1200 |
< |
int added = 0; |
1201 |
< |
try { |
1202 |
< |
q.putLast(new Object()); |
1203 |
< |
++added; |
1204 |
< |
q.putLast(new Object()); |
1205 |
< |
++added; |
1206 |
< |
q.putLast(new Object()); |
1039 |
< |
++added; |
1040 |
< |
q.putLast(new Object()); |
1041 |
< |
++added; |
1042 |
< |
threadShouldThrow(); |
1043 |
< |
} catch (InterruptedException success) { |
1044 |
< |
threadAssertTrue(added >= 2); |
1045 |
< |
} |
1046 |
< |
} |
1047 |
< |
}); |
1197 |
> |
final int capacity = 2; |
1198 |
> |
final LinkedBlockingDeque q = new LinkedBlockingDeque(capacity); |
1199 |
> |
final CountDownLatch pleaseTake = new CountDownLatch(1); |
1200 |
> |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
1201 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1202 |
> |
public void realRun() throws InterruptedException { |
1203 |
> |
for (int i = 0; i < capacity; i++) |
1204 |
> |
q.putLast(i); |
1205 |
> |
pleaseTake.countDown(); |
1206 |
> |
q.putLast(86); |
1207 |
|
|
1208 |
< |
t.start(); |
1209 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1210 |
< |
q.take(); |
1208 |
> |
pleaseInterrupt.countDown(); |
1209 |
> |
try { |
1210 |
> |
q.putLast(99); |
1211 |
> |
shouldThrow(); |
1212 |
> |
} catch (InterruptedException success) {} |
1213 |
> |
assertFalse(Thread.interrupted()); |
1214 |
> |
}}); |
1215 |
> |
|
1216 |
> |
await(pleaseTake); |
1217 |
> |
assertEquals(0, q.remainingCapacity()); |
1218 |
> |
assertEquals(0, q.take()); |
1219 |
> |
|
1220 |
> |
await(pleaseInterrupt); |
1221 |
> |
assertThreadStaysAlive(t); |
1222 |
|
t.interrupt(); |
1223 |
< |
t.join(); |
1223 |
> |
awaitTermination(t); |
1224 |
> |
assertEquals(0, q.remainingCapacity()); |
1225 |
|
} |
1226 |
|
|
1227 |
|
/** |
1229 |
|
*/ |
1230 |
|
public void testTimedOfferLast() throws InterruptedException { |
1231 |
|
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
1232 |
< |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
1232 |
> |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
1233 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1234 |
|
public void realRun() throws InterruptedException { |
1235 |
|
q.putLast(new Object()); |
1236 |
|
q.putLast(new Object()); |
1237 |
< |
threadAssertFalse(q.offerLast(new Object(), SHORT_DELAY_MS, MILLISECONDS)); |
1238 |
< |
q.offerLast(new Object(), LONG_DELAY_MS, MILLISECONDS); |
1239 |
< |
}}; |
1237 |
> |
long startTime = System.nanoTime(); |
1238 |
> |
assertFalse(q.offerLast(new Object(), timeoutMillis(), MILLISECONDS)); |
1239 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
1240 |
> |
pleaseInterrupt.countDown(); |
1241 |
> |
try { |
1242 |
> |
q.offerLast(new Object(), 2 * LONG_DELAY_MS, MILLISECONDS); |
1243 |
> |
shouldThrow(); |
1244 |
> |
} catch (InterruptedException success) {} |
1245 |
> |
}}); |
1246 |
|
|
1247 |
< |
t.start(); |
1248 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1247 |
> |
await(pleaseInterrupt); |
1248 |
> |
assertThreadStaysAlive(t); |
1249 |
|
t.interrupt(); |
1250 |
< |
t.join(); |
1250 |
> |
awaitTermination(t); |
1251 |
|
} |
1252 |
|
|
1253 |
|
/** |
1256 |
|
public void testTakeLast() throws InterruptedException { |
1257 |
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1258 |
|
for (int i = 0; i < SIZE; ++i) { |
1259 |
< |
assertEquals(SIZE-i-1, ((Integer)q.takeLast()).intValue()); |
1259 |
> |
assertEquals(SIZE - i - 1, q.takeLast()); |
1260 |
|
} |
1261 |
|
} |
1262 |
|
|
1263 |
|
/** |
1264 |
< |
* takeLast blocks interruptibly when empty |
1087 |
< |
*/ |
1088 |
< |
public void testTakeLastFromEmpty() throws InterruptedException { |
1089 |
< |
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
1090 |
< |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
1091 |
< |
public void realRun() throws InterruptedException { |
1092 |
< |
q.takeLast(); |
1093 |
< |
}}; |
1094 |
< |
|
1095 |
< |
t.start(); |
1096 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1097 |
< |
t.interrupt(); |
1098 |
< |
t.join(); |
1099 |
< |
} |
1100 |
< |
|
1101 |
< |
/** |
1102 |
< |
* TakeLast removes existing elements until empty, then blocks interruptibly |
1264 |
> |
* takeLast removes existing elements until empty, then blocks interruptibly |
1265 |
|
*/ |
1266 |
|
public void testBlockingTakeLast() throws InterruptedException { |
1267 |
< |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
1267 |
> |
final LinkedBlockingDeque q = populatedDeque(SIZE); |
1268 |
> |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
1269 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1270 |
|
public void realRun() throws InterruptedException { |
1107 |
– |
LinkedBlockingDeque q = populatedDeque(SIZE); |
1271 |
|
for (int i = 0; i < SIZE; ++i) { |
1272 |
< |
assertEquals(SIZE-i-1, ((Integer)q.takeLast()).intValue()); |
1272 |
> |
assertEquals(SIZE - i - 1, q.takeLast()); |
1273 |
|
} |
1111 |
– |
q.takeLast(); |
1112 |
– |
}}; |
1274 |
|
|
1275 |
< |
t.start(); |
1276 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1275 |
> |
Thread.currentThread().interrupt(); |
1276 |
> |
try { |
1277 |
> |
q.takeLast(); |
1278 |
> |
shouldThrow(); |
1279 |
> |
} catch (InterruptedException success) {} |
1280 |
> |
assertFalse(Thread.interrupted()); |
1281 |
> |
|
1282 |
> |
pleaseInterrupt.countDown(); |
1283 |
> |
try { |
1284 |
> |
q.takeLast(); |
1285 |
> |
shouldThrow(); |
1286 |
> |
} catch (InterruptedException success) {} |
1287 |
> |
assertFalse(Thread.interrupted()); |
1288 |
> |
}}); |
1289 |
> |
|
1290 |
> |
await(pleaseInterrupt); |
1291 |
> |
assertThreadStaysAlive(t); |
1292 |
|
t.interrupt(); |
1293 |
< |
t.join(); |
1293 |
> |
awaitTermination(t); |
1294 |
|
} |
1295 |
|
|
1120 |
– |
|
1296 |
|
/** |
1297 |
|
* timed pollLast with zero timeout succeeds when non-empty, else times out |
1298 |
|
*/ |
1299 |
|
public void testTimedPollLast0() throws InterruptedException { |
1300 |
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1301 |
|
for (int i = 0; i < SIZE; ++i) { |
1302 |
< |
assertEquals(SIZE-i-1, ((Integer)q.pollLast(0, MILLISECONDS)).intValue()); |
1302 |
> |
assertEquals(SIZE - i - 1, q.pollLast(0, MILLISECONDS)); |
1303 |
|
} |
1304 |
|
assertNull(q.pollLast(0, MILLISECONDS)); |
1305 |
|
} |
1310 |
|
public void testTimedPollLast() throws InterruptedException { |
1311 |
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1312 |
|
for (int i = 0; i < SIZE; ++i) { |
1313 |
< |
assertEquals(SIZE-i-1, ((Integer)q.pollLast(SHORT_DELAY_MS, MILLISECONDS)).intValue()); |
1314 |
< |
} |
1315 |
< |
assertNull(q.pollLast(SHORT_DELAY_MS, MILLISECONDS)); |
1313 |
> |
long startTime = System.nanoTime(); |
1314 |
> |
assertEquals(SIZE - i - 1, q.pollLast(LONG_DELAY_MS, MILLISECONDS)); |
1315 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1316 |
> |
} |
1317 |
> |
long startTime = System.nanoTime(); |
1318 |
> |
assertNull(q.pollLast(timeoutMillis(), MILLISECONDS)); |
1319 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
1320 |
> |
checkEmpty(q); |
1321 |
|
} |
1322 |
|
|
1323 |
|
/** |
1325 |
|
* returning timeout status |
1326 |
|
*/ |
1327 |
|
public void testInterruptedTimedPollLast() throws InterruptedException { |
1328 |
< |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
1328 |
> |
final LinkedBlockingDeque q = populatedDeque(SIZE); |
1329 |
> |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
1330 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1331 |
|
public void realRun() throws InterruptedException { |
1332 |
< |
LinkedBlockingDeque q = populatedDeque(SIZE); |
1332 |
> |
long startTime = System.nanoTime(); |
1333 |
|
for (int i = 0; i < SIZE; ++i) { |
1334 |
< |
threadAssertEquals(SIZE-i-1, ((Integer)q.pollLast(SHORT_DELAY_MS, MILLISECONDS)).intValue()); |
1334 |
> |
assertEquals(SIZE - i - 1, |
1335 |
> |
q.pollLast(LONG_DELAY_MS, MILLISECONDS)); |
1336 |
|
} |
1154 |
– |
q.pollLast(SMALL_DELAY_MS, MILLISECONDS); |
1155 |
– |
}}; |
1337 |
|
|
1338 |
< |
t.start(); |
1339 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1338 |
> |
Thread.currentThread().interrupt(); |
1339 |
> |
try { |
1340 |
> |
q.pollLast(LONG_DELAY_MS, MILLISECONDS); |
1341 |
> |
shouldThrow(); |
1342 |
> |
} catch (InterruptedException success) {} |
1343 |
> |
assertFalse(Thread.interrupted()); |
1344 |
> |
|
1345 |
> |
pleaseInterrupt.countDown(); |
1346 |
> |
try { |
1347 |
> |
q.pollLast(LONG_DELAY_MS, MILLISECONDS); |
1348 |
> |
shouldThrow(); |
1349 |
> |
} catch (InterruptedException success) {} |
1350 |
> |
assertFalse(Thread.interrupted()); |
1351 |
> |
|
1352 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1353 |
> |
}}); |
1354 |
> |
|
1355 |
> |
await(pleaseInterrupt); |
1356 |
> |
assertThreadStaysAlive(t); |
1357 |
|
t.interrupt(); |
1358 |
< |
t.join(); |
1358 |
> |
awaitTermination(t); |
1359 |
> |
checkEmpty(q); |
1360 |
|
} |
1361 |
|
|
1362 |
|
/** |
1363 |
< |
* timed poll before a delayed offerLast fails; after offerLast succeeds; |
1364 |
< |
* on interruption throws |
1363 |
> |
* timed poll before a delayed offerLast fails; after offerLast succeeds; |
1364 |
> |
* on interruption throws |
1365 |
|
*/ |
1366 |
|
public void testTimedPollWithOfferLast() throws InterruptedException { |
1367 |
|
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
1368 |
< |
Thread t = new Thread(new CheckedRunnable() { |
1368 |
> |
final CheckedBarrier barrier = new CheckedBarrier(2); |
1369 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1370 |
|
public void realRun() throws InterruptedException { |
1371 |
< |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
1371 |
> |
long startTime = System.nanoTime(); |
1372 |
> |
assertNull(q.poll(timeoutMillis(), MILLISECONDS)); |
1373 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
1374 |
> |
|
1375 |
> |
barrier.await(); |
1376 |
> |
|
1377 |
|
assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
1378 |
+ |
|
1379 |
+ |
Thread.currentThread().interrupt(); |
1380 |
+ |
try { |
1381 |
+ |
q.poll(LONG_DELAY_MS, MILLISECONDS); |
1382 |
+ |
shouldThrow(); |
1383 |
+ |
} catch (InterruptedException success) {} |
1384 |
+ |
assertFalse(Thread.interrupted()); |
1385 |
+ |
|
1386 |
+ |
barrier.await(); |
1387 |
|
try { |
1388 |
|
q.poll(LONG_DELAY_MS, MILLISECONDS); |
1389 |
|
shouldThrow(); |
1390 |
|
} catch (InterruptedException success) {} |
1391 |
+ |
assertFalse(Thread.interrupted()); |
1392 |
+ |
|
1393 |
+ |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1394 |
|
}}); |
1395 |
|
|
1396 |
< |
t.start(); |
1397 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1398 |
< |
assertTrue(q.offerLast(zero, SHORT_DELAY_MS, MILLISECONDS)); |
1396 |
> |
barrier.await(); |
1397 |
> |
long startTime = System.nanoTime(); |
1398 |
> |
assertTrue(q.offerLast(zero, LONG_DELAY_MS, MILLISECONDS)); |
1399 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1400 |
> |
|
1401 |
> |
barrier.await(); |
1402 |
> |
assertThreadStaysAlive(t); |
1403 |
|
t.interrupt(); |
1404 |
< |
t.join(); |
1404 |
> |
awaitTermination(t); |
1405 |
|
} |
1406 |
|
|
1186 |
– |
|
1407 |
|
/** |
1408 |
|
* element returns next element, or throws NSEE if empty |
1409 |
|
*/ |
1410 |
|
public void testElement() { |
1411 |
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1412 |
|
for (int i = 0; i < SIZE; ++i) { |
1413 |
< |
assertEquals(i, ((Integer)q.element()).intValue()); |
1413 |
> |
assertEquals(i, q.element()); |
1414 |
|
q.poll(); |
1415 |
|
} |
1416 |
|
try { |
1420 |
|
} |
1421 |
|
|
1422 |
|
/** |
1203 |
– |
* remove(x) removes x and returns true if present |
1204 |
– |
*/ |
1205 |
– |
public void testRemoveElement() { |
1206 |
– |
LinkedBlockingDeque q = populatedDeque(SIZE); |
1207 |
– |
for (int i = 1; i < SIZE; i+=2) { |
1208 |
– |
assertTrue(q.remove(new Integer(i))); |
1209 |
– |
} |
1210 |
– |
for (int i = 0; i < SIZE; i+=2) { |
1211 |
– |
assertTrue(q.remove(new Integer(i))); |
1212 |
– |
assertFalse(q.remove(new Integer(i+1))); |
1213 |
– |
} |
1214 |
– |
assertTrue(q.isEmpty()); |
1215 |
– |
} |
1216 |
– |
|
1217 |
– |
/** |
1423 |
|
* contains(x) reports true when elements added but not yet removed |
1424 |
|
*/ |
1425 |
|
public void testContains() { |
1475 |
|
assertTrue(changed); |
1476 |
|
|
1477 |
|
assertTrue(q.containsAll(p)); |
1478 |
< |
assertEquals(SIZE-i, q.size()); |
1478 |
> |
assertEquals(SIZE - i, q.size()); |
1479 |
|
p.remove(); |
1480 |
|
} |
1481 |
|
} |
1488 |
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1489 |
|
LinkedBlockingDeque p = populatedDeque(i); |
1490 |
|
assertTrue(q.removeAll(p)); |
1491 |
< |
assertEquals(SIZE-i, q.size()); |
1491 |
> |
assertEquals(SIZE - i, q.size()); |
1492 |
|
for (int j = 0; j < i; ++j) { |
1493 |
< |
Integer I = (Integer)(p.remove()); |
1494 |
< |
assertFalse(q.contains(I)); |
1493 |
> |
Integer x = (Integer)(p.remove()); |
1494 |
> |
assertFalse(q.contains(x)); |
1495 |
|
} |
1496 |
|
} |
1497 |
|
} |
1498 |
|
|
1499 |
|
/** |
1500 |
< |
* toArray contains all elements |
1500 |
> |
* toArray contains all elements in FIFO order |
1501 |
|
*/ |
1502 |
< |
public void testToArray() throws InterruptedException{ |
1502 |
> |
public void testToArray() throws InterruptedException { |
1503 |
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1504 |
|
Object[] o = q.toArray(); |
1505 |
|
for (int i = 0; i < o.length; i++) |
1506 |
< |
assertEquals(o[i], q.take()); |
1506 |
> |
assertSame(o[i], q.poll()); |
1507 |
|
} |
1508 |
|
|
1509 |
|
/** |
1510 |
< |
* toArray(a) contains all elements |
1510 |
> |
* toArray(a) contains all elements in FIFO order |
1511 |
|
*/ |
1512 |
< |
public void testToArray2() throws InterruptedException { |
1513 |
< |
LinkedBlockingDeque q = populatedDeque(SIZE); |
1512 |
> |
public void testToArray2() { |
1513 |
> |
LinkedBlockingDeque<Integer> q = populatedDeque(SIZE); |
1514 |
|
Integer[] ints = new Integer[SIZE]; |
1515 |
< |
ints = (Integer[])q.toArray(ints); |
1515 |
> |
Integer[] array = q.toArray(ints); |
1516 |
> |
assertSame(ints, array); |
1517 |
|
for (int i = 0; i < ints.length; i++) |
1518 |
< |
assertEquals(ints[i], q.take()); |
1518 |
> |
assertSame(ints[i], q.remove()); |
1519 |
|
} |
1520 |
|
|
1521 |
|
/** |
1522 |
< |
* toArray(null) throws NPE |
1317 |
< |
*/ |
1318 |
< |
public void testToArray_BadArg() { |
1319 |
< |
try { |
1320 |
< |
LinkedBlockingDeque q = populatedDeque(SIZE); |
1321 |
< |
Object o[] = q.toArray(null); |
1322 |
< |
shouldThrow(); |
1323 |
< |
} catch (NullPointerException success) {} |
1324 |
< |
} |
1325 |
< |
|
1326 |
< |
/** |
1327 |
< |
* toArray with incompatible array type throws CCE |
1522 |
> |
* toArray(incompatible array type) throws ArrayStoreException |
1523 |
|
*/ |
1524 |
|
public void testToArray1_BadArg() { |
1525 |
+ |
LinkedBlockingDeque q = populatedDeque(SIZE); |
1526 |
|
try { |
1527 |
< |
LinkedBlockingDeque q = populatedDeque(SIZE); |
1332 |
< |
Object o[] = q.toArray(new String[10] ); |
1527 |
> |
q.toArray(new String[10]); |
1528 |
|
shouldThrow(); |
1529 |
|
} catch (ArrayStoreException success) {} |
1530 |
|
} |
1531 |
|
|
1337 |
– |
|
1532 |
|
/** |
1533 |
|
* iterator iterates through all elements |
1534 |
|
*/ |
1535 |
|
public void testIterator() throws InterruptedException { |
1536 |
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1537 |
|
Iterator it = q.iterator(); |
1538 |
< |
while (it.hasNext()) { |
1538 |
> |
int i; |
1539 |
> |
for (i = 0; it.hasNext(); i++) |
1540 |
> |
assertTrue(q.contains(it.next())); |
1541 |
> |
assertEquals(i, SIZE); |
1542 |
> |
assertIteratorExhausted(it); |
1543 |
> |
|
1544 |
> |
it = q.iterator(); |
1545 |
> |
for (i = 0; it.hasNext(); i++) |
1546 |
|
assertEquals(it.next(), q.take()); |
1547 |
< |
} |
1547 |
> |
assertEquals(i, SIZE); |
1548 |
> |
assertIteratorExhausted(it); |
1549 |
> |
} |
1550 |
> |
|
1551 |
> |
/** |
1552 |
> |
* iterator of empty collection has no elements |
1553 |
> |
*/ |
1554 |
> |
public void testEmptyIterator() { |
1555 |
> |
Deque c = new LinkedBlockingDeque(); |
1556 |
> |
assertIteratorExhausted(c.iterator()); |
1557 |
> |
assertIteratorExhausted(c.descendingIterator()); |
1558 |
|
} |
1559 |
|
|
1560 |
|
/** |
1561 |
|
* iterator.remove removes current element |
1562 |
|
*/ |
1563 |
< |
public void testIteratorRemove () { |
1563 |
> |
public void testIteratorRemove() { |
1564 |
|
final LinkedBlockingDeque q = new LinkedBlockingDeque(3); |
1565 |
|
q.add(two); |
1566 |
|
q.add(one); |
1571 |
|
it.remove(); |
1572 |
|
|
1573 |
|
it = q.iterator(); |
1574 |
< |
assertEquals(it.next(), one); |
1575 |
< |
assertEquals(it.next(), three); |
1574 |
> |
assertSame(it.next(), one); |
1575 |
> |
assertSame(it.next(), three); |
1576 |
|
assertFalse(it.hasNext()); |
1577 |
|
} |
1578 |
|
|
1368 |
– |
|
1579 |
|
/** |
1580 |
|
* iterator ordering is FIFO |
1581 |
|
*/ |
1587 |
|
assertEquals(0, q.remainingCapacity()); |
1588 |
|
int k = 0; |
1589 |
|
for (Iterator it = q.iterator(); it.hasNext();) { |
1590 |
< |
int i = ((Integer)(it.next())).intValue(); |
1381 |
< |
assertEquals(++k, i); |
1590 |
> |
assertEquals(++k, it.next()); |
1591 |
|
} |
1592 |
|
assertEquals(3, k); |
1593 |
|
} |
1595 |
|
/** |
1596 |
|
* Modifications do not cause iterators to fail |
1597 |
|
*/ |
1598 |
< |
public void testWeaklyConsistentIteration () { |
1598 |
> |
public void testWeaklyConsistentIteration() { |
1599 |
|
final LinkedBlockingDeque q = new LinkedBlockingDeque(3); |
1600 |
|
q.add(one); |
1601 |
|
q.add(two); |
1607 |
|
assertEquals(0, q.size()); |
1608 |
|
} |
1609 |
|
|
1401 |
– |
|
1610 |
|
/** |
1611 |
< |
* Descending iterator iterates through all elements |
1611 |
> |
* Descending iterator iterates through all elements |
1612 |
|
*/ |
1613 |
|
public void testDescendingIterator() { |
1614 |
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1627 |
|
} |
1628 |
|
|
1629 |
|
/** |
1630 |
< |
* Descending iterator ordering is reverse FIFO |
1630 |
> |
* Descending iterator ordering is reverse FIFO |
1631 |
|
*/ |
1632 |
|
public void testDescendingIteratorOrdering() { |
1633 |
|
final LinkedBlockingDeque q = new LinkedBlockingDeque(); |
1637 |
|
q.add(new Integer(1)); |
1638 |
|
int k = 0; |
1639 |
|
for (Iterator it = q.descendingIterator(); it.hasNext();) { |
1640 |
< |
int i = ((Integer)(it.next())).intValue(); |
1433 |
< |
assertEquals(++k, i); |
1640 |
> |
assertEquals(++k, it.next()); |
1641 |
|
} |
1642 |
|
|
1643 |
|
assertEquals(3, k); |
1650 |
|
/** |
1651 |
|
* descendingIterator.remove removes current element |
1652 |
|
*/ |
1653 |
< |
public void testDescendingIteratorRemove () { |
1653 |
> |
public void testDescendingIteratorRemove() { |
1654 |
|
final LinkedBlockingDeque q = new LinkedBlockingDeque(); |
1655 |
|
for (int iters = 0; iters < 100; ++iters) { |
1656 |
|
q.add(new Integer(3)); |
1669 |
|
} |
1670 |
|
} |
1671 |
|
|
1465 |
– |
|
1672 |
|
/** |
1673 |
|
* toString contains toStrings of elements |
1674 |
|
*/ |
1676 |
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1677 |
|
String s = q.toString(); |
1678 |
|
for (int i = 0; i < SIZE; ++i) { |
1679 |
< |
assertTrue(s.indexOf(String.valueOf(i)) >= 0); |
1679 |
> |
assertTrue(s.contains(String.valueOf(i))); |
1680 |
|
} |
1681 |
|
} |
1682 |
|
|
1477 |
– |
|
1683 |
|
/** |
1684 |
|
* offer transfers elements across Executor tasks |
1685 |
|
*/ |
1687 |
|
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
1688 |
|
q.add(one); |
1689 |
|
q.add(two); |
1690 |
< |
ExecutorService executor = Executors.newFixedThreadPool(2); |
1691 |
< |
executor.execute(new CheckedRunnable() { |
1692 |
< |
public void realRun() throws InterruptedException { |
1693 |
< |
threadAssertFalse(q.offer(three)); |
1694 |
< |
threadAssertTrue(q.offer(three, MEDIUM_DELAY_MS, MILLISECONDS)); |
1695 |
< |
threadAssertEquals(0, q.remainingCapacity()); |
1696 |
< |
}}); |
1697 |
< |
|
1698 |
< |
executor.execute(new CheckedRunnable() { |
1699 |
< |
public void realRun() throws InterruptedException { |
1495 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1496 |
< |
threadAssertEquals(one, q.take()); |
1497 |
< |
}}); |
1690 |
> |
final CheckedBarrier threadsStarted = new CheckedBarrier(2); |
1691 |
> |
final ExecutorService executor = Executors.newFixedThreadPool(2); |
1692 |
> |
try (PoolCleaner cleaner = cleaner(executor)) { |
1693 |
> |
executor.execute(new CheckedRunnable() { |
1694 |
> |
public void realRun() throws InterruptedException { |
1695 |
> |
assertFalse(q.offer(three)); |
1696 |
> |
threadsStarted.await(); |
1697 |
> |
assertTrue(q.offer(three, LONG_DELAY_MS, MILLISECONDS)); |
1698 |
> |
assertEquals(0, q.remainingCapacity()); |
1699 |
> |
}}); |
1700 |
|
|
1701 |
< |
joinPool(executor); |
1701 |
> |
executor.execute(new CheckedRunnable() { |
1702 |
> |
public void realRun() throws InterruptedException { |
1703 |
> |
threadsStarted.await(); |
1704 |
> |
assertSame(one, q.take()); |
1705 |
> |
}}); |
1706 |
> |
} |
1707 |
|
} |
1708 |
|
|
1709 |
|
/** |
1710 |
< |
* poll retrieves elements across Executor threads |
1710 |
> |
* timed poll retrieves elements across Executor threads |
1711 |
|
*/ |
1712 |
|
public void testPollInExecutor() { |
1713 |
|
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
1714 |
< |
ExecutorService executor = Executors.newFixedThreadPool(2); |
1715 |
< |
executor.execute(new CheckedRunnable() { |
1716 |
< |
public void realRun() throws InterruptedException { |
1717 |
< |
threadAssertNull(q.poll()); |
1718 |
< |
threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, MILLISECONDS)); |
1719 |
< |
threadAssertTrue(q.isEmpty()); |
1720 |
< |
}}); |
1721 |
< |
|
1722 |
< |
executor.execute(new CheckedRunnable() { |
1723 |
< |
public void realRun() throws InterruptedException { |
1517 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1518 |
< |
q.put(one); |
1519 |
< |
}}); |
1714 |
> |
final CheckedBarrier threadsStarted = new CheckedBarrier(2); |
1715 |
> |
final ExecutorService executor = Executors.newFixedThreadPool(2); |
1716 |
> |
try (PoolCleaner cleaner = cleaner(executor)) { |
1717 |
> |
executor.execute(new CheckedRunnable() { |
1718 |
> |
public void realRun() throws InterruptedException { |
1719 |
> |
assertNull(q.poll()); |
1720 |
> |
threadsStarted.await(); |
1721 |
> |
assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
1722 |
> |
checkEmpty(q); |
1723 |
> |
}}); |
1724 |
|
|
1725 |
< |
joinPool(executor); |
1725 |
> |
executor.execute(new CheckedRunnable() { |
1726 |
> |
public void realRun() throws InterruptedException { |
1727 |
> |
threadsStarted.await(); |
1728 |
> |
q.put(one); |
1729 |
> |
}}); |
1730 |
> |
} |
1731 |
|
} |
1732 |
|
|
1733 |
|
/** |
1734 |
|
* A deserialized serialized deque has same elements in same order |
1735 |
|
*/ |
1736 |
|
public void testSerialization() throws Exception { |
1737 |
< |
LinkedBlockingDeque q = populatedDeque(SIZE); |
1738 |
< |
|
1530 |
< |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
1531 |
< |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
1532 |
< |
out.writeObject(q); |
1533 |
< |
out.close(); |
1534 |
< |
|
1535 |
< |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
1536 |
< |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
1537 |
< |
LinkedBlockingDeque r = (LinkedBlockingDeque)in.readObject(); |
1538 |
< |
assertEquals(q.size(), r.size()); |
1539 |
< |
while (!q.isEmpty()) |
1540 |
< |
assertEquals(q.remove(), r.remove()); |
1541 |
< |
} |
1542 |
< |
|
1543 |
< |
/** |
1544 |
< |
* drainTo(null) throws NPE |
1545 |
< |
*/ |
1546 |
< |
public void testDrainToNull() { |
1547 |
< |
LinkedBlockingDeque q = populatedDeque(SIZE); |
1548 |
< |
try { |
1549 |
< |
q.drainTo(null); |
1550 |
< |
shouldThrow(); |
1551 |
< |
} catch (NullPointerException success) {} |
1552 |
< |
} |
1737 |
> |
Queue x = populatedDeque(SIZE); |
1738 |
> |
Queue y = serialClone(x); |
1739 |
|
|
1740 |
< |
/** |
1741 |
< |
* drainTo(this) throws IAE |
1742 |
< |
*/ |
1743 |
< |
public void testDrainToSelf() { |
1744 |
< |
LinkedBlockingDeque q = populatedDeque(SIZE); |
1745 |
< |
try { |
1746 |
< |
q.drainTo(q); |
1561 |
< |
shouldThrow(); |
1562 |
< |
} catch (IllegalArgumentException success) { |
1740 |
> |
assertNotSame(y, x); |
1741 |
> |
assertEquals(x.size(), y.size()); |
1742 |
> |
assertEquals(x.toString(), y.toString()); |
1743 |
> |
assertTrue(Arrays.equals(x.toArray(), y.toArray())); |
1744 |
> |
while (!x.isEmpty()) { |
1745 |
> |
assertFalse(y.isEmpty()); |
1746 |
> |
assertEquals(x.remove(), y.remove()); |
1747 |
|
} |
1748 |
+ |
assertTrue(y.isEmpty()); |
1749 |
|
} |
1750 |
|
|
1751 |
|
/** |
1755 |
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1756 |
|
ArrayList l = new ArrayList(); |
1757 |
|
q.drainTo(l); |
1758 |
< |
assertEquals(q.size(), 0); |
1759 |
< |
assertEquals(l.size(), SIZE); |
1758 |
> |
assertEquals(0, q.size()); |
1759 |
> |
assertEquals(SIZE, l.size()); |
1760 |
|
for (int i = 0; i < SIZE; ++i) |
1761 |
|
assertEquals(l.get(i), new Integer(i)); |
1762 |
|
q.add(zero); |
1766 |
|
assertTrue(q.contains(one)); |
1767 |
|
l.clear(); |
1768 |
|
q.drainTo(l); |
1769 |
< |
assertEquals(q.size(), 0); |
1770 |
< |
assertEquals(l.size(), 2); |
1769 |
> |
assertEquals(0, q.size()); |
1770 |
> |
assertEquals(2, l.size()); |
1771 |
|
for (int i = 0; i < 2; ++i) |
1772 |
|
assertEquals(l.get(i), new Integer(i)); |
1773 |
|
} |
1779 |
|
final LinkedBlockingDeque q = populatedDeque(SIZE); |
1780 |
|
Thread t = new Thread(new CheckedRunnable() { |
1781 |
|
public void realRun() throws InterruptedException { |
1782 |
< |
q.put(new Integer(SIZE+1)); |
1782 |
> |
q.put(new Integer(SIZE + 1)); |
1783 |
|
}}); |
1784 |
|
|
1785 |
|
t.start(); |
1793 |
|
} |
1794 |
|
|
1795 |
|
/** |
1796 |
< |
* drainTo(null, n) throws NPE |
1612 |
< |
*/ |
1613 |
< |
public void testDrainToNullN() { |
1614 |
< |
LinkedBlockingDeque q = populatedDeque(SIZE); |
1615 |
< |
try { |
1616 |
< |
q.drainTo(null, 0); |
1617 |
< |
shouldThrow(); |
1618 |
< |
} catch (NullPointerException success) {} |
1619 |
< |
} |
1620 |
< |
|
1621 |
< |
/** |
1622 |
< |
* drainTo(this, n) throws IAE |
1623 |
< |
*/ |
1624 |
< |
public void testDrainToSelfN() { |
1625 |
< |
LinkedBlockingDeque q = populatedDeque(SIZE); |
1626 |
< |
try { |
1627 |
< |
q.drainTo(q, 0); |
1628 |
< |
shouldThrow(); |
1629 |
< |
} catch (IllegalArgumentException success) {} |
1630 |
< |
} |
1631 |
< |
|
1632 |
< |
/** |
1633 |
< |
* drainTo(c, n) empties first max {n, size} elements of deque into c |
1796 |
> |
* drainTo(c, n) empties first min(n, size) elements of queue into c |
1797 |
|
*/ |
1798 |
|
public void testDrainToN() { |
1799 |
|
LinkedBlockingDeque q = new LinkedBlockingDeque(); |
1802 |
|
assertTrue(q.offer(new Integer(j))); |
1803 |
|
ArrayList l = new ArrayList(); |
1804 |
|
q.drainTo(l, i); |
1805 |
< |
int k = (i < SIZE)? i : SIZE; |
1806 |
< |
assertEquals(l.size(), k); |
1807 |
< |
assertEquals(q.size(), SIZE-k); |
1805 |
> |
int k = (i < SIZE) ? i : SIZE; |
1806 |
> |
assertEquals(k, l.size()); |
1807 |
> |
assertEquals(SIZE - k, q.size()); |
1808 |
|
for (int j = 0; j < k; ++j) |
1809 |
|
assertEquals(l.get(j), new Integer(j)); |
1810 |
< |
while (q.poll() != null) ; |
1810 |
> |
do {} while (q.poll() != null); |
1811 |
> |
} |
1812 |
> |
} |
1813 |
> |
|
1814 |
> |
/** |
1815 |
> |
* remove(null), contains(null) always return false |
1816 |
> |
*/ |
1817 |
> |
public void testNeverContainsNull() { |
1818 |
> |
Deque<?>[] qs = { |
1819 |
> |
new LinkedBlockingDeque<Object>(), |
1820 |
> |
populatedDeque(2), |
1821 |
> |
}; |
1822 |
> |
|
1823 |
> |
for (Deque<?> q : qs) { |
1824 |
> |
assertFalse(q.contains(null)); |
1825 |
> |
assertFalse(q.remove(null)); |
1826 |
> |
assertFalse(q.removeFirstOccurrence(null)); |
1827 |
> |
assertFalse(q.removeLastOccurrence(null)); |
1828 |
|
} |
1829 |
|
} |
1830 |
|
|