ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

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

Comparing jsr166/src/test/tck/LinkedTransferQueueTest.java (file contents):
Revision 1.33 by jsr166, Fri Oct 29 06:22:12 2010 UTC vs.
Revision 1.48 by jsr166, Tue May 31 16:16:24 2011 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		* Other contributors include John Vint
6		*/
7
8	<	import java.io.BufferedInputStream;
9	<	import java.io.BufferedOutputStream;
10	<	import java.io.ByteArrayInputStream;
11	<	import java.io.ByteArrayOutputStream;
12	<	import java.io.ObjectInputStream;
13	<	import java.io.ObjectOutputStream;
14	<	import java.util.ArrayList;
8	>	import junit.framework.*;
9		import java.util.Arrays;
10	+	import java.util.ArrayList;
11	+	import java.util.Collection;
12		import java.util.Iterator;
13		import java.util.List;
14		import java.util.NoSuchElementException;
15	<	import java.util.concurrent.*;
15	>	import java.util.Queue;
16	>	import java.util.concurrent.BlockingQueue;
17	>	import java.util.concurrent.CountDownLatch;
18	>	import java.util.concurrent.Executors;
19	>	import java.util.concurrent.ExecutorService;
20	>	import java.util.concurrent.LinkedTransferQueue;
21		import static java.util.concurrent.TimeUnit.MILLISECONDS;
22		import static java.util.concurrent.TimeUnit.NANOSECONDS;
22	–	import junit.framework.Test;
23	–	import junit.framework.TestSuite;
23
24		@SuppressWarnings({"unchecked", "rawtypes"})
25		public class LinkedTransferQueueTest extends JSR166TestCase {
#	Line 40 | Line 39 | public class LinkedTransferQueueTest ext
39		new Generic().testSuite());
40		}
41
43	–	void checkEmpty(BlockingQueue q) {
44	–	try {
45	–	assertTrue(q.isEmpty());
46	–	assertEquals(0, q.size());
47	–	assertNull(q.peek());
48	–	assertNull(q.poll());
49	–	assertNull(q.poll(0, MILLISECONDS));
50	–	assertEquals(q.toString(), "[]");
51	–	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
52	–	assertFalse(q.iterator().hasNext());
53	–	try {
54	–	q.element();
55	–	shouldThrow();
56	–	} catch (NoSuchElementException success) {}
57	–	try {
58	–	q.iterator().next();
59	–	shouldThrow();
60	–	} catch (NoSuchElementException success) {}
61	–	try {
62	–	q.remove();
63	–	shouldThrow();
64	–	} catch (NoSuchElementException success) {}
65	–	} catch (InterruptedException ie) {
66	–	threadUnexpectedException(ie);
67	–	}
68	–	}
69	–
42		/**
43		* Constructor builds new queue with size being zero and empty
44		* being true
#	Line 92 | Line 64 | public class LinkedTransferQueueTest ext
64		* NullPointerException
65		*/
66		public void testConstructor3() {
67	+	Collection<Integer> elements = Arrays.asList(new Integer[SIZE]);
68		try {
69	<	Integer[] ints = new Integer[SIZE];
97	<	new LinkedTransferQueue(Arrays.asList(ints));
69	>	new LinkedTransferQueue(elements);
70		shouldThrow();
71		} catch (NullPointerException success) {}
72		}
#	Line 104 | Line 76 | public class LinkedTransferQueueTest ext
76		* throws NullPointerException
77		*/
78		public void testConstructor4() {
79	+	Integer[] ints = new Integer[SIZE];
80	+	for (int i = 0; i < SIZE-1; ++i)
81	+	ints[i] = i;
82	+	Collection<Integer> elements = Arrays.asList(ints);
83		try {
84	<	Integer[] ints = new Integer[SIZE];
109	<	for (int i = 0; i < SIZE - 1; ++i) {
110	<	ints[i] = i;
111	<	}
112	<	new LinkedTransferQueue(Arrays.asList(ints));
84	>	new LinkedTransferQueue(elements);
85		shouldThrow();
86		} catch (NullPointerException success) {}
87		}
#	Line 156 | Line 128 | public class LinkedTransferQueueTest ext
128		}
129
130		/**
159	–	* offer(null) throws NullPointerException
160	–	*/
161	–	public void testOfferNull() {
162	–	try {
163	–	LinkedTransferQueue q = new LinkedTransferQueue();
164	–	q.offer(null);
165	–	shouldThrow();
166	–	} catch (NullPointerException success) {}
167	–	}
168	–
169	–	/**
170	–	* add(null) throws NullPointerException
171	–	*/
172	–	public void testAddNull() {
173	–	try {
174	–	LinkedTransferQueue q = new LinkedTransferQueue();
175	–	q.add(null);
176	–	shouldThrow();
177	–	} catch (NullPointerException success) {}
178	–	}
179	–
180	–	/**
181	–	* addAll(null) throws NullPointerException
182	–	*/
183	–	public void testAddAll1() {
184	–	try {
185	–	LinkedTransferQueue q = new LinkedTransferQueue();
186	–	q.addAll(null);
187	–	shouldThrow();
188	–	} catch (NullPointerException success) {}
189	–	}
190	–
191	–	/**
131		* addAll(this) throws IllegalArgumentException
132		*/
133		public void testAddAllSelf() {
#	Line 200 | Line 139 | public class LinkedTransferQueueTest ext
139		}
140
141		/**
203	–	* addAll of a collection with null elements throws NullPointerException
204	–	*/
205	–	public void testAddAll2() {
206	–	try {
207	–	LinkedTransferQueue q = new LinkedTransferQueue();
208	–	Integer[] ints = new Integer[SIZE];
209	–	q.addAll(Arrays.asList(ints));
210	–	shouldThrow();
211	–	} catch (NullPointerException success) {}
212	–	}
213	–
214	–	/**
142		* addAll of a collection with any null elements throws
143		* NullPointerException after possibly adding some elements
144		*/
#	Line 245 | Line 172 | public class LinkedTransferQueueTest ext
172		}
173
174		/**
248	–	* put(null) throws NullPointerException
249	–	*/
250	–	public void testPutNull() throws InterruptedException {
251	–	try {
252	–	LinkedTransferQueue q = new LinkedTransferQueue();
253	–	q.put(null);
254	–	shouldThrow();
255	–	} catch (NullPointerException success) {}
256	–	}
257	–
258	–	/**
175		* all elements successfully put are contained
176		*/
177		public void testPut() {
#	Line 281 | Line 197 | public class LinkedTransferQueueTest ext
197		* take removes existing elements until empty, then blocks interruptibly
198		*/
199		public void testBlockingTake() throws InterruptedException {
200	<	final BlockingQueue<Integer> q = populatedQueue(SIZE);
201	<	final CountDownLatch aboutToWait = new CountDownLatch(1);
200	>	final BlockingQueue q = populatedQueue(SIZE);
201	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
202		Thread t = newStartedThread(new CheckedRunnable() {
203		public void realRun() throws InterruptedException {
204		for (int i = 0; i < SIZE; ++i) {
205	<	assertEquals(i, (int) q.take());
205	>	assertEquals(i, q.take());
206		}
207	<	aboutToWait.countDown();
207	>
208	>	Thread.currentThread().interrupt();
209		try {
210		q.take();
211		shouldThrow();
212		} catch (InterruptedException success) {}
213	+	assertFalse(Thread.interrupted());
214	+
215	+	pleaseInterrupt.countDown();
216	+	try {
217	+	q.take();
218	+	shouldThrow();
219	+	} catch (InterruptedException success) {}
220	+	assertFalse(Thread.interrupted());
221		}});
222
223	<	aboutToWait.await();
224	<	waitForThreadToEnterWaitState(t, SMALL_DELAY_MS);
223	>	await(pleaseInterrupt);
224	>	assertThreadStaysAlive(t);
225		t.interrupt();
226	<	awaitTermination(t, MEDIUM_DELAY_MS);
302	<	checkEmpty(q);
226	>	awaitTermination(t);
227		}
228
229		/**
#	Line 332 | Line 256 | public class LinkedTransferQueueTest ext
256		public void testTimedPoll() throws InterruptedException {
257		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
258		for (int i = 0; i < SIZE; ++i) {
259	<	long t0 = System.nanoTime();
260	<	assertEquals(i, (int) q.poll(SMALL_DELAY_MS, MILLISECONDS));
261	<	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
262	<	}
263	<	long t0 = System.nanoTime();
264	<	assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
265	<	assertTrue(millisElapsedSince(t0) >= SHORT_DELAY_MS);
259	>	long startTime = System.nanoTime();
260	>	assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
261	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
262	>	}
263	>	long startTime = System.nanoTime();
264	>	assertNull(q.poll(timeoutMillis(), MILLISECONDS));
265	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
266		checkEmpty(q);
267		}
268
#	Line 354 | Line 278 | public class LinkedTransferQueueTest ext
278		for (int i = 0; i < SIZE; ++i) {
279		long t0 = System.nanoTime();
280		assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
281	<	assertTrue(millisElapsedSince(t0) < SHORT_DELAY_MS);
281	>	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
282		}
283	+	long t0 = System.nanoTime();
284		aboutToWait.countDown();
285		try {
286		q.poll(MEDIUM_DELAY_MS, MILLISECONDS);
287		shouldThrow();
288	<	} catch (InterruptedException success) {}
288	>	} catch (InterruptedException success) {
289	>	assertTrue(millisElapsedSince(t0) < MEDIUM_DELAY_MS);
290	>	}
291		}});
292
293		aboutToWait.await();
#	Line 382 | Line 309 | public class LinkedTransferQueueTest ext
309		for (int i = 0; i < SIZE; ++i) {
310		long t0 = System.nanoTime();
311		assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
312	<	assertTrue(millisElapsedSince(t0) < SHORT_DELAY_MS);
312	>	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
313		}
314		try {
315		q.poll(MEDIUM_DELAY_MS, MILLISECONDS);
#	Line 445 | Line 372 | public class LinkedTransferQueueTest ext
372		*/
373		public void testRemoveElement() throws InterruptedException {
374		LinkedTransferQueue q = populatedQueue(SIZE);
375	<	for (int i = 1; i < SIZE; i += 2) {
375	>	for (int i = 1; i < SIZE; i+=2) {
376	>	assertTrue(q.contains(i));
377		assertTrue(q.remove(i));
378	+	assertFalse(q.contains(i));
379	+	assertTrue(q.contains(i-1));
380		}
381	<	for (int i = 0; i < SIZE; i += 2) {
381	>	for (int i = 0; i < SIZE; i+=2) {
382	>	assertTrue(q.contains(i));
383		assertTrue(q.remove(i));
384	<	assertFalse(q.remove(i + 1));
384	>	assertFalse(q.contains(i));
385	>	assertFalse(q.remove(i+1));
386	>	assertFalse(q.contains(i+1));
387		}
388		checkEmpty(q);
389		}
#	Line 547 | Line 480 | public class LinkedTransferQueueTest ext
480		}
481
482		/**
483	<	* toArray() contains all elements
483	>	* toArray() contains all elements in FIFO order
484		*/
485	<	public void testToArray() throws InterruptedException {
485	>	public void testToArray() {
486		LinkedTransferQueue q = populatedQueue(SIZE);
487		Object[] o = q.toArray();
488		for (int i = 0; i < o.length; i++) {
489	<	assertEquals(o[i], q.take());
489	>	assertSame(o[i], q.poll());
490		}
491		}
492
493		/**
494	<	* toArray(a) contains all elements
494	>	* toArray(a) contains all elements in FIFO order
495		*/
496	<	public void testToArray2() throws InterruptedException {
496	>	public void testToArray2() {
497		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
498		Integer[] ints = new Integer[SIZE];
499	<	ints = q.toArray(ints);
499	>	Integer[] array = q.toArray(ints);
500	>	assertSame(ints, array);
501		for (int i = 0; i < ints.length; i++) {
502	<	assertEquals(ints[i], q.take());
502	>	assertSame(ints[i], q.poll());
503		}
504		}
505
506		/**
507	<	* toArray(null) throws NullPointerException
574	<	*/
575	<	public void testToArray_BadArg() {
576	<	LinkedTransferQueue q = populatedQueue(SIZE);
577	<	try {
578	<	Object o[] = q.toArray(null);
579	<	shouldThrow();
580	<	} catch (NullPointerException success) {}
581	<	}
582	<
583	<	/**
584	<	* toArray(incompatible array type) throws CCE
507	>	* toArray(incompatible array type) throws ArrayStoreException
508		*/
509		public void testToArray1_BadArg() {
510		LinkedTransferQueue q = populatedQueue(SIZE);
511		try {
512	<	Object o[] = q.toArray(new String[10]);
512	>	q.toArray(new String[10]);
513		shouldThrow();
514		} catch (ArrayStoreException success) {}
515		}
#	Line 663 | Line 586 | public class LinkedTransferQueueTest ext
586		LinkedTransferQueue q = populatedQueue(SIZE);
587		String s = q.toString();
588		for (int i = 0; i < SIZE; ++i) {
589	<	assertTrue(s.indexOf(String.valueOf(i)) >= 0);
589	>	assertTrue(s.contains(String.valueOf(i)));
590		}
591		}
592
#	Line 672 | Line 595 | public class LinkedTransferQueueTest ext
595		*/
596		public void testOfferInExecutor() {
597		final LinkedTransferQueue q = new LinkedTransferQueue();
598	<	final CountDownLatch threadsStarted = new CountDownLatch(2);
598	>	final CheckedBarrier threadsStarted = new CheckedBarrier(2);
599		ExecutorService executor = Executors.newFixedThreadPool(2);
600
601		executor.execute(new CheckedRunnable() {
602		public void realRun() throws InterruptedException {
680	–	threadsStarted.countDown();
603		threadsStarted.await();
604	<	assertTrue(q.offer(one, MEDIUM_DELAY_MS, MILLISECONDS));
604	>	assertTrue(q.offer(one, LONG_DELAY_MS, MILLISECONDS));
605		}});
606
607		executor.execute(new CheckedRunnable() {
608		public void realRun() throws InterruptedException {
687	–	threadsStarted.countDown();
609		threadsStarted.await();
610		assertSame(one, q.take());
611		checkEmpty(q);
#	Line 698 | Line 619 | public class LinkedTransferQueueTest ext
619		*/
620		public void testPollInExecutor() {
621		final LinkedTransferQueue q = new LinkedTransferQueue();
622	<	final CountDownLatch threadsStarted = new CountDownLatch(2);
622	>	final CheckedBarrier threadsStarted = new CheckedBarrier(2);
623		ExecutorService executor = Executors.newFixedThreadPool(2);
624
625		executor.execute(new CheckedRunnable() {
626		public void realRun() throws InterruptedException {
627		assertNull(q.poll());
707	–	threadsStarted.countDown();
628		threadsStarted.await();
629	<	assertSame(one, q.poll(SMALL_DELAY_MS, MILLISECONDS));
629	>	assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
630		checkEmpty(q);
631		}});
632
633		executor.execute(new CheckedRunnable() {
634		public void realRun() throws InterruptedException {
715	–	threadsStarted.countDown();
635		threadsStarted.await();
636		q.put(one);
637		}});
#	Line 724 | Line 643 | public class LinkedTransferQueueTest ext
643		* A deserialized serialized queue has same elements in same order
644		*/
645		public void testSerialization() throws Exception {
646	<	LinkedTransferQueue q = populatedQueue(SIZE);
647	<
729	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
730	<	ObjectOutputStream out
731	<	= new ObjectOutputStream(new BufferedOutputStream(bout));
732	<	out.writeObject(q);
733	<	out.close();
734	<
735	<	ByteArrayInputStream bin
736	<	= new ByteArrayInputStream(bout.toByteArray());
737	<	ObjectInputStream in
738	<	= new ObjectInputStream(new BufferedInputStream(bin));
739	<	LinkedTransferQueue r = (LinkedTransferQueue) in.readObject();
646	>	Queue x = populatedQueue(SIZE);
647	>	Queue y = serialClone(x);
648
649	<	assertEquals(q.size(), r.size());
650	<	assertEquals(q.toString(), r.toString());
651	<	assertTrue(Arrays.equals(q.toArray(), r.toArray()));
652	<	while (!q.isEmpty()) {
653	<	assertEquals(q.remove(), r.remove());
649	>	assertTrue(x != y);
650	>	assertEquals(x.size(), y.size());
651	>	assertEquals(x.toString(), y.toString());
652	>	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
653	>	while (!x.isEmpty()) {
654	>	assertFalse(y.isEmpty());
655	>	assertEquals(x.remove(), y.remove());
656		}
657	<	}
748	<
749	<	/**
750	<	* drainTo(null) throws NullPointerException
751	<	*/
752	<	public void testDrainToNull() {
753	<	LinkedTransferQueue q = populatedQueue(SIZE);
754	<	try {
755	<	q.drainTo(null);
756	<	shouldThrow();
757	<	} catch (NullPointerException success) {}
758	<	}
759	<
760	<	/**
761	<	* drainTo(this) throws IllegalArgumentException
762	<	*/
763	<	public void testDrainToSelf() {
764	<	LinkedTransferQueue q = populatedQueue(SIZE);
765	<	try {
766	<	q.drainTo(q);
767	<	shouldThrow();
768	<	} catch (IllegalArgumentException success) {}
657	>	assertTrue(y.isEmpty());
658		}
659
660		/**
#	Line 814 | Line 703 | public class LinkedTransferQueueTest ext
703		}
704
705		/**
817	–	* drainTo(null, n) throws NullPointerException
818	–	*/
819	–	public void testDrainToNullN() {
820	–	LinkedTransferQueue q = populatedQueue(SIZE);
821	–	try {
822	–	q.drainTo(null, SIZE);
823	–	shouldThrow();
824	–	} catch (NullPointerException success) {}
825	–	}
826	–
827	–	/**
828	–	* drainTo(this, n) throws IllegalArgumentException
829	–	*/
830	–	public void testDrainToSelfN() {
831	–	LinkedTransferQueue q = populatedQueue(SIZE);
832	–	try {
833	–	q.drainTo(q, SIZE);
834	–	shouldThrow();
835	–	} catch (IllegalArgumentException success) {}
836	–	}
837	–
838	–	/**
706		* drainTo(c, n) empties first min(n, size) elements of queue into c
707		*/
708		public void testDrainToN() {
#	Line 910 | Line 777 | public class LinkedTransferQueueTest ext
777		Thread t = newStartedThread(new CheckedRunnable() {
778		public void realRun() throws InterruptedException {
779		threadStarted.countDown();
780	<	q.transfer(SIZE);
780	>	q.transfer(five);
781		checkEmpty(q);
782		}});
783
784		threadStarted.await();
785		waitForThreadToEnterWaitState(t, SMALL_DELAY_MS);
919	–	assertTrue(t.isAlive());
786		assertEquals(1, q.size());
787	<	assertEquals(SIZE, (int) q.poll());
787	>	assertSame(five, q.poll());
788		checkEmpty(q);
789		awaitTermination(t, MEDIUM_DELAY_MS);
790		}
#	Line 1069 | Line 935 | public class LinkedTransferQueueTest ext
935		}
936
937		/**
938	<	* tryTransfer waits the amount given if interrupted, and
1073	<	* throws interrupted exception
938	>	* tryTransfer blocks interruptibly if no takers
939		*/
940		public void testTryTransfer5() throws InterruptedException {
941		final LinkedTransferQueue q = new LinkedTransferQueue();
942	<	final CountDownLatch threadStarted = new CountDownLatch(1);
942	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
943	>	assertTrue(q.isEmpty());
944
945		Thread t = newStartedThread(new CheckedRunnable() {
946		public void realRun() throws InterruptedException {
947	<	long t0 = System.nanoTime();
1082	<	threadStarted.countDown();
947	>	Thread.currentThread().interrupt();
948		try {
949		q.tryTransfer(new Object(), LONG_DELAY_MS, MILLISECONDS);
950		shouldThrow();
951		} catch (InterruptedException success) {}
952	<	assertTrue(millisElapsedSince(t0) >= SHORT_DELAY_MS);
952	>	assertFalse(Thread.interrupted());
953	>
954	>	pleaseInterrupt.countDown();
955	>	try {
956	>	q.tryTransfer(new Object(), LONG_DELAY_MS, MILLISECONDS);
957	>	shouldThrow();
958	>	} catch (InterruptedException success) {}
959	>	assertFalse(Thread.interrupted());
960		}});
961
962	<	threadStarted.await();
963	<	Thread.sleep(SHORT_DELAY_MS);
962	>	await(pleaseInterrupt);
963	>	assertThreadStaysAlive(t);
964		t.interrupt();
965	<	awaitTermination(t, MEDIUM_DELAY_MS);
965	>	awaitTermination(t);
966		checkEmpty(q);
967		}
968
#	Line 1104 | Line 976 | public class LinkedTransferQueueTest ext
976		public void realRun() throws InterruptedException {
977		long t0 = System.nanoTime();
978		assertFalse(q.tryTransfer(new Object(),
979	<	SHORT_DELAY_MS, MILLISECONDS));
980	<	assertTrue(millisElapsedSince(t0) >= SHORT_DELAY_MS);
979	>	timeoutMillis(), MILLISECONDS));
980	>	assertTrue(millisElapsedSince(t0) >= timeoutMillis());
981		checkEmpty(q);
982		}});
983
984	<	awaitTermination(t, MEDIUM_DELAY_MS);
984	>	awaitTermination(t);
985		checkEmpty(q);
986		}
987
#	Line 1137 | Line 1009 | public class LinkedTransferQueueTest ext
1009		}
1010
1011		/**
1012	<	* tryTransfer attempts to enqueue into the q and fails returning
1013	<	* false not enqueueing and the successive poll is null
1012	>	* tryTransfer attempts to enqueue into the queue and fails
1013	>	* returning false not enqueueing and the successive poll is null
1014		*/
1015		public void testTryTransfer8() throws InterruptedException {
1016		final LinkedTransferQueue q = new LinkedTransferQueue();
1017		assertTrue(q.offer(four));
1018		assertEquals(1, q.size());
1019		long t0 = System.nanoTime();
1020	<	assertFalse(q.tryTransfer(five, SHORT_DELAY_MS, MILLISECONDS));
1021	<	assertTrue(millisElapsedSince(t0) >= SHORT_DELAY_MS);
1020	>	assertFalse(q.tryTransfer(five, timeoutMillis(), MILLISECONDS));
1021	>	assertTrue(millisElapsedSince(t0) >= timeoutMillis());
1022		assertEquals(1, q.size());
1023		assertSame(four, q.poll());
1024		assertNull(q.poll());

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines