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

Comparing jsr166/src/test/tck/LinkedBlockingDequeTest.java (file contents):
Revision 1.23 by dl, Wed Sep 29 12:33:48 2010 UTC vs.
Revision 1.32 by jsr166, Fri Nov 5 00:17:22 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());
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		/**
38		* Create a deque of given size containing consecutive
39		* Integers 0 ... n.
40		*/
41	<	private LinkedBlockingDeque populatedDeque(int n) {
42	<	LinkedBlockingDeque q = new LinkedBlockingDeque(n);
41	>	private LinkedBlockingDeque<Integer> populatedDeque(int n) {
42	>	LinkedBlockingDeque<Integer> q =
43	>	new LinkedBlockingDeque<Integer>(n);
44		assertTrue(q.isEmpty());
45		for (int i = 0; i < n; i++)
46		assertTrue(q.offer(new Integer(i)));
#	Line 93 | Line 109 | public class LinkedBlockingDequeTest ext
109		}
110
111		/**
112	<	*  pollFirst succeeds unless empty
112	>	* pollFirst succeeds unless empty
113		*/
114		public void testPollFirst() {
115		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 104 | Line 120 | public class LinkedBlockingDequeTest ext
120		}
121
122		/**
123	<	*  pollLast succeeds unless empty
123	>	* pollLast succeeds unless empty
124		*/
125		public void testPollLast() {
126		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 115 | Line 131 | public class LinkedBlockingDequeTest ext
131		}
132
133		/**
134	<	*  peekFirst returns next element, or null if empty
134	>	* peekFirst returns next element, or null if empty
135		*/
136		public void testPeekFirst() {
137		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 129 | Line 145 | public class LinkedBlockingDequeTest ext
145		}
146
147		/**
148	<	*  peek returns next element, or null if empty
148	>	* peek returns next element, or null if empty
149		*/
150		public void testPeek() {
151		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 143 | Line 159 | public class LinkedBlockingDequeTest ext
159		}
160
161		/**
162	<	*  peekLast returns next element, or null if empty
162	>	* peekLast returns next element, or null if empty
163		*/
164		public void testPeekLast() {
165		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 173 | Line 189 | public class LinkedBlockingDequeTest ext
189		}
190
191		/**
192	<	*  getLast() returns last element, or throws NSEE if empty
192	>	* getLast() returns last element, or throws NSEE if empty
193		*/
194		public void testLastElement() {
195		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 219 | Line 235 | public class LinkedBlockingDequeTest ext
235		}
236
237		/**
238	<	*  remove removes next element, or throws NSEE if empty
238	>	* remove removes next element, or throws NSEE if empty
239		*/
240		public void testRemove() {
241		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 442 | Line 458 | public class LinkedBlockingDequeTest ext
458
459
460		/**
461	<	*  pop removes next element, or throws NSEE if empty
461	>	* pop removes next element, or throws NSEE if empty
462		*/
463		public void testPop() {
464		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 667 | Line 683 | public class LinkedBlockingDequeTest ext
683		}
684
685		/**
670	–	* take blocks interruptibly when empty
671	–	*/
672	–	public void testTakeFromEmpty() throws InterruptedException {
673	–	final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
674	–	Thread t = new ThreadShouldThrow(InterruptedException.class) {
675	–	public void realRun() throws InterruptedException {
676	–	q.take();
677	–	}};
678	–
679	–	t.start();
680	–	Thread.sleep(SHORT_DELAY_MS);
681	–	t.interrupt();
682	–	t.join();
683	–	}
684	–
685	–	/**
686		* Take removes existing elements until empty, then blocks interruptibly
687		*/
688		public void testBlockingTake() throws InterruptedException {
#	Line 762 | Line 762 | public class LinkedBlockingDequeTest ext
762		}
763
764		/**
765	–	*  timed poll before a delayed offer fails; after offer succeeds;
766	–	*  on interruption throws
767	–	*/
768	–	public void testTimedPollWithOffer() throws InterruptedException {
769	–	final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
770	–	Thread t = new Thread(new CheckedRunnable() {
771	–	public void realRun() throws InterruptedException {
772	–	try {
773	–	assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
774	–	assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS));
775	–	q.poll(LONG_DELAY_MS, MILLISECONDS);
776	–	shouldThrow();
777	–	} catch (InterruptedException success) {}
778	–	}});
779	–
780	–	t.start();
781	–	Thread.sleep(SMALL_DELAY_MS);
782	–	assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS));
783	–	t.interrupt();
784	–	t.join();
785	–	}
786	–
787	–
788	–	/**
765		* putFirst(null) throws NPE
766		*/
767		public void testPutFirstNull() throws InterruptedException {
#	Line 976 | Line 952 | public class LinkedBlockingDequeTest ext
952		}
953
954		/**
955	<	*  timed pollFirst before a delayed offerFirst fails; after offerFirst succeeds;
956	<	*  on interruption throws
955	>	* timed pollFirst before a delayed offerFirst fails; after offerFirst succeeds;
956	>	* on interruption throws
957		*/
958		public void testTimedPollFirstWithOfferFirst() throws InterruptedException {
959		final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
#	Line 1188 | Line 1164 | public class LinkedBlockingDequeTest ext
1164		}
1165
1166		/**
1167	<	*  timed poll before a delayed offerLast fails; after offerLast succeeds;
1168	<	*  on interruption throws
1167	>	* timed poll before a delayed offerLast fails; after offerLast succeeds;
1168	>	* on interruption throws
1169		*/
1170		public void testTimedPollWithOfferLast() throws InterruptedException {
1171		final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
#	Line 1319 | Line 1295 | public class LinkedBlockingDequeTest ext
1295		}
1296
1297		/**
1298	<	* toArray contains all elements
1298	>	* toArray contains all elements in FIFO order
1299		*/
1300		public void testToArray() throws InterruptedException{
1301		LinkedBlockingDeque q = populatedDeque(SIZE);
1302		Object[] o = q.toArray();
1303		for (int i = 0; i < o.length; i++)
1304	<	assertEquals(o[i], q.take());
1304	>	assertSame(o[i], q.poll());
1305		}
1306
1307		/**
1308	<	* toArray(a) contains all elements
1308	>	* toArray(a) contains all elements in FIFO order
1309		*/
1310	<	public void testToArray2() throws InterruptedException {
1311	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1310	>	public void testToArray2() {
1311	>	LinkedBlockingDeque<Integer> q = populatedDeque(SIZE);
1312		Integer[] ints = new Integer[SIZE];
1313	<	ints = (Integer[])q.toArray(ints);
1313	>	Integer[] array = q.toArray(ints);
1314	>	assertSame(ints, array);
1315		for (int i = 0; i < ints.length; i++)
1316	<	assertEquals(ints[i], q.take());
1316	>	assertSame(ints[i], q.remove());
1317		}
1318
1319		/**
1320	<	* toArray(null) throws NPE
1320	>	* toArray(null) throws NullPointerException
1321		*/
1322	<	public void testToArray_BadArg() {
1322	>	public void testToArray_NullArg() {
1323		LinkedBlockingDeque q = populatedDeque(SIZE);
1324		try {
1325	<	Object o[] = q.toArray(null);
1325	>	q.toArray(null);
1326		shouldThrow();
1327		} catch (NullPointerException success) {}
1328		}
1329
1330		/**
1331	<	* toArray with incompatible array type throws CCE
1331	>	* toArray(incompatible array type) throws ArrayStoreException
1332		*/
1333		public void testToArray1_BadArg() {
1334		LinkedBlockingDeque q = populatedDeque(SIZE);
1335		try {
1336	<	Object o[] = q.toArray(new String[10]);
1336	>	q.toArray(new String[10]);
1337		shouldThrow();
1338		} catch (ArrayStoreException success) {}
1339		}
#	Line 1426 | Line 1403 | public class LinkedBlockingDequeTest ext
1403
1404
1405		/**
1406	<	*  Descending iterator iterates through all elements
1406	>	* Descending iterator iterates through all elements
1407		*/
1408		public void testDescendingIterator() {
1409		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 1445 | Line 1422 | public class LinkedBlockingDequeTest ext
1422		}
1423
1424		/**
1425	<	*  Descending iterator ordering is reverse FIFO
1425	>	* Descending iterator ordering is reverse FIFO
1426		*/
1427		public void testDescendingIteratorOrdering() {
1428		final LinkedBlockingDeque q = new LinkedBlockingDeque();
#	Line 1654 | Line 1631 | public class LinkedBlockingDequeTest ext
1631		}
1632
1633		/**
1634	<	* drainTo(c, n) empties first max {n, size} elements of deque into c
1634	>	* drainTo(c, n) empties first min(n, size) elements of queue into c
1635		*/
1636		public void testDrainToN() {
1637		LinkedBlockingDeque q = new LinkedBlockingDeque();
#	Line 1663 | Line 1640 | public class LinkedBlockingDequeTest ext
1640		assertTrue(q.offer(new Integer(j)));
1641		ArrayList l = new ArrayList();
1642		q.drainTo(l, i);
1643	<	int k = (i < SIZE)? i : SIZE;
1643	>	int k = (i < SIZE) ? i : SIZE;
1644		assertEquals(l.size(), k);
1645		assertEquals(q.size(), SIZE-k);
1646		for (int j = 0; j < k; ++j)

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