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root/jsr166/jsr166/src/test/tck/LinkedBlockingDequeTest.java

Comparing jsr166/src/test/tck/LinkedBlockingDequeTest.java (file contents):
Revision 1.18 by jsr166, Sun Nov 22 18:57:17 2009 UTC vs.
Revision 1.27 by jsr166, Tue Oct 19 00:43:49 2010 UTC

#	Line 11 | Line 11 | import static java.util.concurrent.TimeU
11		import java.io.*;
12
13		public class LinkedBlockingDequeTest extends JSR166TestCase {
14	+
15	+	public static class Unbounded extends BlockingQueueTest {
16	+	protected BlockingQueue emptyCollection() {
17	+	return new LinkedBlockingDeque();
18	+	}
19	+	}
20	+
21	+	public static class Bounded extends BlockingQueueTest {
22	+	protected BlockingQueue emptyCollection() {
23	+	return new LinkedBlockingDeque(20);
24	+	}
25	+	}
26	+
27		public static void main(String[] args) {
28	<	junit.textui.TestRunner.run (suite());
28	>	junit.textui.TestRunner.run(suite());
29		}
30
31		public static Test suite() {
32	<	return new TestSuite(LinkedBlockingDequeTest.class);
32	>	return newTestSuite(LinkedBlockingDequeTest.class,
33	>	new Unbounded().testSuite(),
34	>	new Bounded().testSuite());
35		}
36
37		/**
#	Line 93 | Line 108 | public class LinkedBlockingDequeTest ext
108		}
109
110		/**
111	<	*  pollFirst succeeds unless empty
111	>	* pollFirst succeeds unless empty
112		*/
113		public void testPollFirst() {
114		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 104 | Line 119 | public class LinkedBlockingDequeTest ext
119		}
120
121		/**
122	<	*  pollLast succeeds unless empty
122	>	* pollLast succeeds unless empty
123		*/
124		public void testPollLast() {
125		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 115 | Line 130 | public class LinkedBlockingDequeTest ext
130		}
131
132		/**
133	<	*  peekFirst returns next element, or null if empty
133	>	* peekFirst returns next element, or null if empty
134		*/
135		public void testPeekFirst() {
136		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 129 | Line 144 | public class LinkedBlockingDequeTest ext
144		}
145
146		/**
147	<	*  peek returns next element, or null if empty
147	>	* peek returns next element, or null if empty
148		*/
149		public void testPeek() {
150		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 143 | Line 158 | public class LinkedBlockingDequeTest ext
158		}
159
160		/**
161	<	*  peekLast returns next element, or null if empty
161	>	* peekLast returns next element, or null if empty
162		*/
163		public void testPeekLast() {
164		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 157 | Line 172 | public class LinkedBlockingDequeTest ext
172		}
173
174		/**
175	<	* getFirst returns next getFirst, or throws NSEE if empty
175	>	* getFirst() returns first element, or throws NSEE if empty
176		*/
177		public void testFirstElement() {
178		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 173 | Line 188 | public class LinkedBlockingDequeTest ext
188		}
189
190		/**
191	<	*  getLast returns next element, or throws NSEE if empty
191	>	* getLast() returns last element, or throws NSEE if empty
192		*/
193		public void testLastElement() {
194		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 189 | Line 204 | public class LinkedBlockingDequeTest ext
204		}
205
206		/**
207	<	*  removeFirst removes next element, or throws NSEE if empty
207	>	* removeFirst() removes first element, or throws NSEE if empty
208		*/
209		public void testRemoveFirst() {
210		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 204 | Line 219 | public class LinkedBlockingDequeTest ext
219		}
220
221		/**
222	<	*  removeLast removes last element, or throws NSEE if empty
222	>	* removeLast() removes last element, or throws NSEE if empty
223		*/
224		public void testRemoveLast() {
225		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 219 | Line 234 | public class LinkedBlockingDequeTest ext
234		}
235
236		/**
237	<	*  remove removes next element, or throws NSEE if empty
237	>	* remove removes next element, or throws NSEE if empty
238		*/
239		public void testRemove() {
240		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 269 | Line 284 | public class LinkedBlockingDequeTest ext
284		LinkedBlockingDeque q = populatedDeque(3);
285		q.pollLast();
286		q.addFirst(four);
287	<	assertEquals(four,q.peekFirst());
287	>	assertSame(four, q.peekFirst());
288		}
289
290		/**
#	Line 279 | Line 294 | public class LinkedBlockingDequeTest ext
294		LinkedBlockingDeque q = populatedDeque(3);
295		q.pollLast();
296		q.addLast(four);
297	<	assertEquals(four,q.peekLast());
297	>	assertSame(four, q.peekLast());
298		}
299
300
#	Line 437 | Line 452 | public class LinkedBlockingDequeTest ext
452		LinkedBlockingDeque q = populatedDeque(3);
453		q.pollLast();
454		q.push(four);
455	<	assertEquals(four,q.peekFirst());
455	>	assertSame(four, q.peekFirst());
456		}
457
458
459		/**
460	<	*  pop removes next element, or throws NSEE if empty
460	>	* pop removes next element, or throws NSEE if empty
461		*/
462		public void testPop() {
463		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 513 | Line 528 | public class LinkedBlockingDequeTest ext
528		shouldThrow();
529		} catch (NullPointerException success) {}
530		}
531	+
532		/**
533		* addAll of a collection with any null elements throws NPE after
534		* possibly adding some elements
#	Line 527 | Line 543 | public class LinkedBlockingDequeTest ext
543		shouldThrow();
544		} catch (NullPointerException success) {}
545		}
546	+
547		/**
548		* addAll throws ISE if not enough room
549		*/
#	Line 760 | Line 777 | public class LinkedBlockingDequeTest ext
777		}
778
779		/**
763	–	*  timed poll before a delayed offer fails; after offer succeeds;
764	–	*  on interruption throws
765	–	*/
766	–	public void testTimedPollWithOffer() throws InterruptedException {
767	–	final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
768	–	Thread t = new Thread(new CheckedRunnable() {
769	–	public void realRun() throws InterruptedException {
770	–	assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
771	–	assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS));
772	–	try {
773	–	q.poll(LONG_DELAY_MS, MILLISECONDS);
774	–	shouldThrow();
775	–	} catch (InterruptedException success) {}
776	–	}});
777	–
778	–	t.start();
779	–	Thread.sleep(SMALL_DELAY_MS);
780	–	assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS));
781	–	t.interrupt();
782	–	t.join();
783	–	}
784	–
785	–
786	–	/**
780		* putFirst(null) throws NPE
781		*/
782		public void testPutFirstNull() throws InterruptedException {
#	Line 974 | Line 967 | public class LinkedBlockingDequeTest ext
967		}
968
969		/**
970	<	*  timed pollFirst before a delayed offerFirst fails; after offerFirst succeeds;
971	<	*  on interruption throws
970	>	* timed pollFirst before a delayed offerFirst fails; after offerFirst succeeds;
971	>	* on interruption throws
972		*/
973		public void testTimedPollFirstWithOfferFirst() throws InterruptedException {
974		final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
#	Line 1186 | Line 1179 | public class LinkedBlockingDequeTest ext
1179		}
1180
1181		/**
1182	<	*  timed poll before a delayed offerLast fails; after offerLast succeeds;
1183	<	*  on interruption throws
1182	>	* timed poll before a delayed offerLast fails; after offerLast succeeds;
1183	>	* on interruption throws
1184		*/
1185		public void testTimedPollWithOfferLast() throws InterruptedException {
1186		final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
#	Line 1374 | Line 1367 | public class LinkedBlockingDequeTest ext
1367		/**
1368		* iterator.remove removes current element
1369		*/
1370	<	public void testIteratorRemove () {
1370	>	public void testIteratorRemove() {
1371		final LinkedBlockingDeque q = new LinkedBlockingDeque(3);
1372		q.add(two);
1373		q.add(one);
#	Line 1385 | Line 1378 | public class LinkedBlockingDequeTest ext
1378		it.remove();
1379
1380		it = q.iterator();
1381	<	assertEquals(it.next(), one);
1382	<	assertEquals(it.next(), three);
1381	>	assertSame(it.next(), one);
1382	>	assertSame(it.next(), three);
1383		assertFalse(it.hasNext());
1384		}
1385
#	Line 1410 | Line 1403 | public class LinkedBlockingDequeTest ext
1403		/**
1404		* Modifications do not cause iterators to fail
1405		*/
1406	<	public void testWeaklyConsistentIteration () {
1406	>	public void testWeaklyConsistentIteration() {
1407		final LinkedBlockingDeque q = new LinkedBlockingDeque(3);
1408		q.add(one);
1409		q.add(two);
#	Line 1424 | Line 1417 | public class LinkedBlockingDequeTest ext
1417
1418
1419		/**
1420	<	*  Descending iterator iterates through all elements
1420	>	* Descending iterator iterates through all elements
1421		*/
1422		public void testDescendingIterator() {
1423		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 1443 | Line 1436 | public class LinkedBlockingDequeTest ext
1436		}
1437
1438		/**
1439	<	*  Descending iterator ordering is reverse FIFO
1439	>	* Descending iterator ordering is reverse FIFO
1440		*/
1441		public void testDescendingIteratorOrdering() {
1442		final LinkedBlockingDeque q = new LinkedBlockingDeque();
#	Line 1466 | Line 1459 | public class LinkedBlockingDequeTest ext
1459		/**
1460		* descendingIterator.remove removes current element
1461		*/
1462	<	public void testDescendingIteratorRemove () {
1462	>	public void testDescendingIteratorRemove() {
1463		final LinkedBlockingDeque q = new LinkedBlockingDeque();
1464		for (int iters = 0; iters < 100; ++iters) {
1465		q.add(new Integer(3));
#	Line 1508 | Line 1501 | public class LinkedBlockingDequeTest ext
1501		ExecutorService executor = Executors.newFixedThreadPool(2);
1502		executor.execute(new CheckedRunnable() {
1503		public void realRun() throws InterruptedException {
1504	<	threadAssertFalse(q.offer(three));
1505	<	threadAssertTrue(q.offer(three, MEDIUM_DELAY_MS, MILLISECONDS));
1506	<	threadAssertEquals(0, q.remainingCapacity());
1504	>	assertFalse(q.offer(three));
1505	>	assertTrue(q.offer(three, MEDIUM_DELAY_MS, MILLISECONDS));
1506	>	assertEquals(0, q.remainingCapacity());
1507		}});
1508
1509		executor.execute(new CheckedRunnable() {
1510		public void realRun() throws InterruptedException {
1511		Thread.sleep(SMALL_DELAY_MS);
1512	<	threadAssertEquals(one, q.take());
1512	>	assertSame(one, q.take());
1513		}});
1514
1515		joinPool(executor);
#	Line 1530 | Line 1523 | public class LinkedBlockingDequeTest ext
1523		ExecutorService executor = Executors.newFixedThreadPool(2);
1524		executor.execute(new CheckedRunnable() {
1525		public void realRun() throws InterruptedException {
1526	<	threadAssertNull(q.poll());
1527	<	threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, MILLISECONDS));
1528	<	threadAssertTrue(q.isEmpty());
1526	>	assertNull(q.poll());
1527	>	assertSame(one, q.poll(MEDIUM_DELAY_MS, MILLISECONDS));
1528	>	assertTrue(q.isEmpty());
1529		}});
1530
1531		executor.execute(new CheckedRunnable() {
#	Line 1652 | Line 1645 | public class LinkedBlockingDequeTest ext
1645		}
1646
1647		/**
1648	<	* drainTo(c, n) empties first max {n, size} elements of deque into c
1648	>	* drainTo(c, n) empties first min(n, size) elements of queue into c
1649		*/
1650		public void testDrainToN() {
1651		LinkedBlockingDeque q = new LinkedBlockingDeque();
#	Line 1661 | Line 1654 | public class LinkedBlockingDequeTest ext
1654		assertTrue(q.offer(new Integer(j)));
1655		ArrayList l = new ArrayList();
1656		q.drainTo(l, i);
1657	<	int k = (i < SIZE)? i : SIZE;
1657	>	int k = (i < SIZE) ? i : SIZE;
1658		assertEquals(l.size(), k);
1659		assertEquals(q.size(), SIZE-k);
1660		for (int j = 0; j < k; ++j)

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