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

Comparing jsr166/src/test/tck/ArrayBlockingQueueTest.java (file contents):
Revision 1.7 by dl, Sat Dec 27 19:26:42 2003 UTC vs.
Revision 1.15 by jsr166, Sat Nov 21 02:07:26 2009 UTC

#	Line 2 | Line 2
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
5	<	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	<	* Pat Fisher, Mike Judd.
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9
#	Line 14 | Line 14 | import java.io.*;
14
15		public class ArrayBlockingQueueTest extends JSR166TestCase {
16		public static void main(String[] args) {
17	<	junit.textui.TestRunner.run (suite());
17	>	junit.textui.TestRunner.run (suite());
18		}
19		public static Test suite() {
20	<	return new TestSuite(ArrayBlockingQueueTest.class);
20	>	return new TestSuite(ArrayBlockingQueueTest.class);
21		}
22
23		/**
#	Line 27 | Line 27 | public class ArrayBlockingQueueTest exte
27		private ArrayBlockingQueue populatedQueue(int n) {
28		ArrayBlockingQueue q = new ArrayBlockingQueue(n);
29		assertTrue(q.isEmpty());
30	<	for(int i = 0; i < n; i++)
31	<	assertTrue(q.offer(new Integer(i)));
30	>	for (int i = 0; i < n; i++)
31	>	assertTrue(q.offer(new Integer(i)));
32		assertFalse(q.isEmpty());
33		assertEquals(0, q.remainingCapacity());
34	<	assertEquals(n, q.size());
34	>	assertEquals(n, q.size());
35		return q;
36		}
37	<
37	>
38		/**
39		* A new queue has the indicated capacity
40		*/
#	Line 155 | Line 155 | public class ArrayBlockingQueueTest exte
155		*  offer(null) throws NPE
156		*/
157		public void testOfferNull() {
158	<	try {
158	>	try {
159		ArrayBlockingQueue q = new ArrayBlockingQueue(1);
160		q.offer(null);
161		shouldThrow();
162	<	} catch (NullPointerException success) { }
162	>	} catch (NullPointerException success) { }
163		}
164
165		/**
166		*  add(null) throws NPE
167		*/
168		public void testAddNull() {
169	<	try {
169	>	try {
170		ArrayBlockingQueue q = new ArrayBlockingQueue(1);
171		q.add(null);
172		shouldThrow();
173	<	} catch (NullPointerException success) { }
173	>	} catch (NullPointerException success) { }
174		}
175
176		/**
#	Line 186 | Line 186 | public class ArrayBlockingQueueTest exte
186		* add succeeds if not full; throws ISE if full
187		*/
188		public void testAdd() {
189	<	try {
189	>	try {
190		ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE);
191		for (int i = 0; i < SIZE; ++i) {
192		assertTrue(q.add(new Integer(i)));
193		}
194		assertEquals(0, q.remainingCapacity());
195		q.add(new Integer(SIZE));
196	<	} catch (IllegalStateException success){
197	<	}
196	>	} catch (IllegalStateException success) {
197	>	}
198		}
199
200		/**
#	Line 285 | Line 285 | public class ArrayBlockingQueueTest exte
285		*  put(null) throws NPE
286		*/
287		public void testPutNull() {
288	<	try {
288	>	try {
289		ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE);
290		q.put(null);
291		shouldThrow();
292	<	}
293	<	catch (NullPointerException success){
294	<	}
292	>	}
293	>	catch (NullPointerException success) {
294	>	}
295		catch (InterruptedException ie) {
296	<	unexpectedException();
296	>	unexpectedException();
297		}
298		}
299
#	Line 311 | Line 311 | public class ArrayBlockingQueueTest exte
311		assertEquals(0, q.remainingCapacity());
312		}
313		catch (InterruptedException ie) {
314	<	unexpectedException();
314	>	unexpectedException();
315		}
316		}
317
#	Line 319 | Line 319 | public class ArrayBlockingQueueTest exte
319		* put blocks interruptibly if full
320		*/
321		public void testBlockingPut() {
322	+	final ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE);
323		Thread t = new Thread(new Runnable() {
324		public void run() {
325		int added = 0;
326		try {
326	–	ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE);
327		for (int i = 0; i < SIZE; ++i) {
328		q.put(new Integer(i));
329		++added;
330		}
331		q.put(new Integer(SIZE));
332		threadShouldThrow();
333	<	} catch (InterruptedException ie){
333	>	} catch (InterruptedException ie) {
334		threadAssertEquals(added, SIZE);
335	<	}
335	>	}
336		}});
337	<	try {
337	>	try {
338		t.start();
339	<	Thread.sleep(SHORT_DELAY_MS);
339	>	Thread.sleep(MEDIUM_DELAY_MS);
340		t.interrupt();
341		t.join();
342		}
343		catch (InterruptedException ie) {
344	<	unexpectedException();
344	>	unexpectedException();
345		}
346		}
347
#	Line 362 | Line 362 | public class ArrayBlockingQueueTest exte
362		++added;
363		q.put(new Object());
364		++added;
365	<	threadShouldThrow();
366	<	} catch (InterruptedException e){
365	>	threadShouldThrow();
366	>	} catch (InterruptedException e) {
367		threadAssertTrue(added >= 2);
368		}
369		}
#	Line 374 | Line 374 | public class ArrayBlockingQueueTest exte
374		q.take();
375		t.interrupt();
376		t.join();
377	<	} catch (Exception e){
377	>	} catch (Exception e) {
378		unexpectedException();
379		}
380		}
#	Line 391 | Line 391 | public class ArrayBlockingQueueTest exte
391		q.put(new Object());
392		threadAssertFalse(q.offer(new Object(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS));
393		q.offer(new Object(), LONG_DELAY_MS, TimeUnit.MILLISECONDS);
394	<	threadShouldThrow();
395	<	} catch (InterruptedException success){}
394	>	threadShouldThrow();
395	>	} catch (InterruptedException success) {}
396		}
397		});
398	<
398	>
399		try {
400		t.start();
401		Thread.sleep(SHORT_DELAY_MS);
402		t.interrupt();
403		t.join();
404	<	} catch (Exception e){
404	>	} catch (Exception e) {
405		unexpectedException();
406		}
407		}
#	Line 410 | Line 410 | public class ArrayBlockingQueueTest exte
410		* take retrieves elements in FIFO order
411		*/
412		public void testTake() {
413	<	try {
413	>	try {
414		ArrayBlockingQueue q = populatedQueue(SIZE);
415		for (int i = 0; i < SIZE; ++i) {
416		assertEquals(i, ((Integer)q.take()).intValue());
417		}
418	<	} catch (InterruptedException e){
419	<	unexpectedException();
420	<	}
418	>	} catch (InterruptedException e) {
419	>	unexpectedException();
420	>	}
421		}
422
423		/**
#	Line 429 | Line 429 | public class ArrayBlockingQueueTest exte
429		public void run() {
430		try {
431		q.take();
432	<	threadShouldThrow();
433	<	} catch (InterruptedException success){ }
432	>	threadShouldThrow();
433	>	} catch (InterruptedException success) { }
434		}
435		});
436		try {
#	Line 438 | Line 438 | public class ArrayBlockingQueueTest exte
438		Thread.sleep(SHORT_DELAY_MS);
439		t.interrupt();
440		t.join();
441	<	} catch (Exception e){
441	>	} catch (Exception e) {
442		unexpectedException();
443		}
444		}
#	Line 456 | Line 456 | public class ArrayBlockingQueueTest exte
456		}
457		q.take();
458		threadShouldThrow();
459	<	} catch (InterruptedException success){
460	<	}
459	>	} catch (InterruptedException success) {
460	>	}
461		}});
462	<	try {
462	>	try {
463		t.start();
464	<	Thread.sleep(SHORT_DELAY_MS);
464	>	Thread.sleep(SHORT_DELAY_MS);
465		t.interrupt();
466		t.join();
467		}
468		catch (InterruptedException ie) {
469	<	unexpectedException();
469	>	unexpectedException();
470		}
471		}
472
#	Line 479 | Line 479 | public class ArrayBlockingQueueTest exte
479		for (int i = 0; i < SIZE; ++i) {
480		assertEquals(i, ((Integer)q.poll()).intValue());
481		}
482	<	assertNull(q.poll());
482	>	assertNull(q.poll());
483		}
484
485		/**
#	Line 492 | Line 492 | public class ArrayBlockingQueueTest exte
492		assertEquals(i, ((Integer)q.poll(0, TimeUnit.MILLISECONDS)).intValue());
493		}
494		assertNull(q.poll(0, TimeUnit.MILLISECONDS));
495	<	} catch (InterruptedException e){
496	<	unexpectedException();
497	<	}
495	>	} catch (InterruptedException e) {
496	>	unexpectedException();
497	>	}
498		}
499
500		/**
#	Line 507 | Line 507 | public class ArrayBlockingQueueTest exte
507		assertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)).intValue());
508		}
509		assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
510	<	} catch (InterruptedException e){
511	<	unexpectedException();
512	<	}
510	>	} catch (InterruptedException e) {
511	>	unexpectedException();
512	>	}
513		}
514
515		/**
#	Line 525 | Line 525 | public class ArrayBlockingQueueTest exte
525		threadAssertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)).intValue());
526		}
527		threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
528	<	} catch (InterruptedException success){
529	<	}
528	>	} catch (InterruptedException success) {
529	>	}
530		}});
531	<	try {
531	>	try {
532		t.start();
533	<	Thread.sleep(SHORT_DELAY_MS);
533	>	Thread.sleep(SHORT_DELAY_MS);
534		t.interrupt();
535		t.join();
536		}
537		catch (InterruptedException ie) {
538	<	unexpectedException();
538	>	unexpectedException();
539		}
540		}
541
#	Line 551 | Line 551 | public class ArrayBlockingQueueTest exte
551		threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
552		q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS);
553		q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS);
554	<	threadShouldThrow();
555	<	} catch (InterruptedException success) { }
554	>	threadShouldThrow();
555	>	} catch (InterruptedException success) { }
556		}
557		});
558		try {
#	Line 561 | Line 561 | public class ArrayBlockingQueueTest exte
561		assertTrue(q.offer(zero, SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
562		t.interrupt();
563		t.join();
564	<	} catch (Exception e){
564	>	} catch (Exception e) {
565		unexpectedException();
566		}
567	<	}
567	>	}
568
569
570		/**
#	Line 578 | Line 578 | public class ArrayBlockingQueueTest exte
578		assertTrue(q.peek() == null ||
579		i != ((Integer)q.peek()).intValue());
580		}
581	<	assertNull(q.peek());
581	>	assertNull(q.peek());
582		}
583
584		/**
#	Line 608 | Line 608 | public class ArrayBlockingQueueTest exte
608		try {
609		q.remove();
610		shouldThrow();
611	<	} catch (NoSuchElementException success){
612	<	}
611	>	} catch (NoSuchElementException success) {
612	>	}
613		}
614
615		/**
#	Line 626 | Line 626 | public class ArrayBlockingQueueTest exte
626		}
627		assertTrue(q.isEmpty());
628		}
629	<
629	>
630		/**
631		* contains(x) reports true when elements added but not yet removed
632		*/
#	Line 650 | Line 650 | public class ArrayBlockingQueueTest exte
650		assertEquals(SIZE, q.remainingCapacity());
651		q.add(one);
652		assertFalse(q.isEmpty());
653	+	assertTrue(q.contains(one));
654		q.clear();
655		assertTrue(q.isEmpty());
656		}
#	Line 708 | Line 709 | public class ArrayBlockingQueueTest exte
709		*/
710		public void testToArray() {
711		ArrayBlockingQueue q = populatedQueue(SIZE);
712	<	Object[] o = q.toArray();
713	<	try {
714	<	for(int i = 0; i < o.length; i++)
715	<	assertEquals(o[i], q.take());
716	<	} catch (InterruptedException e){
717	<	unexpectedException();
718	<	}
712	>	Object[] o = q.toArray();
713	>	try {
714	>	for (int i = 0; i < o.length; i++)
715	>	assertEquals(o[i], q.take());
716	>	} catch (InterruptedException e) {
717	>	unexpectedException();
718	>	}
719		}
720
721		/**
#	Line 722 | Line 723 | public class ArrayBlockingQueueTest exte
723		*/
724		public void testToArray2() {
725		ArrayBlockingQueue q = populatedQueue(SIZE);
726	<	Integer[] ints = new Integer[SIZE];
727	<	ints = (Integer[])q.toArray(ints);
728	<	try {
729	<	for(int i = 0; i < ints.length; i++)
730	<	assertEquals(ints[i], q.take());
731	<	} catch (InterruptedException e){
732	<	unexpectedException();
733	<	}
726	>	Integer[] ints = new Integer[SIZE];
727	>	ints = (Integer[])q.toArray(ints);
728	>	try {
729	>	for (int i = 0; i < ints.length; i++)
730	>	assertEquals(ints[i], q.take());
731	>	} catch (InterruptedException e) {
732	>	unexpectedException();
733	>	}
734		}
735
736		/**
737		* toArray(null) throws NPE
738		*/
739		public void testToArray_BadArg() {
740	<	try {
740	>	try {
741		ArrayBlockingQueue q = populatedQueue(SIZE);
742	<	Object o[] = q.toArray(null);
743	<	shouldThrow();
744	<	} catch(NullPointerException success){}
742	>	Object o[] = q.toArray(null);
743	>	shouldThrow();
744	>	} catch (NullPointerException success) {}
745		}
746
747		/**
748	<	* toArray with incompatable array type throws CCE
748	>	* toArray with incompatible array type throws CCE
749		*/
750		public void testToArray1_BadArg() {
751	<	try {
751	>	try {
752		ArrayBlockingQueue q = populatedQueue(SIZE);
753	<	Object o[] = q.toArray(new String[10] );
754	<	shouldThrow();
755	<	} catch(ArrayStoreException  success){}
753	>	Object o[] = q.toArray(new String[10] );
754	>	shouldThrow();
755	>	} catch (ArrayStoreException  success) {}
756		}
757
758	<
758	>
759		/**
760		* iterator iterates through all elements
761		*/
762		public void testIterator() {
763		ArrayBlockingQueue q = populatedQueue(SIZE);
764	<	Iterator it = q.iterator();
765	<	try {
766	<	while(it.hasNext()){
767	<	assertEquals(it.next(), q.take());
768	<	}
769	<	} catch (InterruptedException e){
770	<	unexpectedException();
771	<	}
764	>	Iterator it = q.iterator();
765	>	try {
766	>	while (it.hasNext()) {
767	>	assertEquals(it.next(), q.take());
768	>	}
769	>	} catch (InterruptedException e) {
770	>	unexpectedException();
771	>	}
772		}
773
774		/**
#	Line 782 | Line 783 | public class ArrayBlockingQueueTest exte
783		Iterator it = q.iterator();
784		it.next();
785		it.remove();
786	<
786	>
787		it = q.iterator();
788		assertEquals(it.next(), one);
789		assertEquals(it.next(), three);
#	Line 838 | Line 839 | public class ArrayBlockingQueueTest exte
839		for (int i = 0; i < SIZE; ++i) {
840		assertTrue(s.indexOf(String.valueOf(i)) >= 0);
841		}
842	<	}
842	>	}
843
844
845		/**
#	Line 873 | Line 874 | public class ArrayBlockingQueueTest exte
874		}
875		}
876		});
877	<
877	>
878		joinPool(executor);
879
880		}
#	Line 908 | Line 909 | public class ArrayBlockingQueueTest exte
909		}
910		}
911		});
912	<
912	>
913		joinPool(executor);
914		}
915
#	Line 928 | Line 929 | public class ArrayBlockingQueueTest exte
929		ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
930		ArrayBlockingQueue r = (ArrayBlockingQueue)in.readObject();
931		assertEquals(q.size(), r.size());
932	<	while (!q.isEmpty())
932	>	while (!q.isEmpty())
933		assertEquals(q.remove(), r.remove());
934	<	} catch(Exception e){
934	>	} catch (Exception e) {
935		unexpectedException();
936		}
937		}
938
939		/**
940		* drainTo(null) throws NPE
941	<	*/
941	>	*/
942		public void testDrainToNull() {
943		ArrayBlockingQueue q = populatedQueue(SIZE);
944		try {
945		q.drainTo(null);
946		shouldThrow();
947	<	} catch(NullPointerException success) {
947	>	} catch (NullPointerException success) {
948		}
949		}
950
951		/**
952		* drainTo(this) throws IAE
953	<	*/
953	>	*/
954		public void testDrainToSelf() {
955		ArrayBlockingQueue q = populatedQueue(SIZE);
956		try {
957		q.drainTo(q);
958		shouldThrow();
959	<	} catch(IllegalArgumentException success) {
959	>	} catch (IllegalArgumentException success) {
960		}
961		}
962
963		/**
964		* drainTo(c) empties queue into another collection c
965	<	*/
965	>	*/
966		public void testDrainTo() {
967		ArrayBlockingQueue q = populatedQueue(SIZE);
968		ArrayList l = new ArrayList();
969		q.drainTo(l);
970		assertEquals(q.size(), 0);
971		assertEquals(l.size(), SIZE);
972	<	for (int i = 0; i < SIZE; ++i)
972	>	for (int i = 0; i < SIZE; ++i)
973	>	assertEquals(l.get(i), new Integer(i));
974	>	q.add(zero);
975	>	q.add(one);
976	>	assertFalse(q.isEmpty());
977	>	assertTrue(q.contains(zero));
978	>	assertTrue(q.contains(one));
979	>	l.clear();
980	>	q.drainTo(l);
981	>	assertEquals(q.size(), 0);
982	>	assertEquals(l.size(), 2);
983	>	for (int i = 0; i < 2; ++i)
984		assertEquals(l.get(i), new Integer(i));
985		}
986
987		/**
988		* drainTo empties full queue, unblocking a waiting put.
989	<	*/
989	>	*/
990		public void testDrainToWithActivePut() {
991		final ArrayBlockingQueue q = populatedQueue(SIZE);
992		Thread t = new Thread(new Runnable() {
993		public void run() {
994		try {
995		q.put(new Integer(SIZE+1));
996	<	} catch (InterruptedException ie){
996	>	} catch (InterruptedException ie) {
997		threadUnexpectedException();
998		}
999		}
#	Line 991 | Line 1003 | public class ArrayBlockingQueueTest exte
1003		ArrayList l = new ArrayList();
1004		q.drainTo(l);
1005		assertTrue(l.size() >= SIZE);
1006	<	for (int i = 0; i < SIZE; ++i)
1006	>	for (int i = 0; i < SIZE; ++i)
1007		assertEquals(l.get(i), new Integer(i));
1008		t.join();
1009	<	assertTrue(q.size() + l.size() == SIZE+1);
1010	<	} catch(Exception e){
1009	>	assertTrue(q.size() + l.size() >= SIZE);
1010	>	} catch (Exception e) {
1011		unexpectedException();
1012		}
1013		}
1014
1015		/**
1016		* drainTo(null, n) throws NPE
1017	<	*/
1017	>	*/
1018		public void testDrainToNullN() {
1019		ArrayBlockingQueue q = populatedQueue(SIZE);
1020		try {
1021		q.drainTo(null, 0);
1022		shouldThrow();
1023	<	} catch(NullPointerException success) {
1023	>	} catch (NullPointerException success) {
1024		}
1025		}
1026
1027		/**
1028		* drainTo(this, n) throws IAE
1029	<	*/
1029	>	*/
1030		public void testDrainToSelfN() {
1031		ArrayBlockingQueue q = populatedQueue(SIZE);
1032		try {
1033		q.drainTo(q, 0);
1034		shouldThrow();
1035	<	} catch(IllegalArgumentException success) {
1035	>	} catch (IllegalArgumentException success) {
1036		}
1037		}
1038
1039		/**
1040		* drainTo(c, n) empties first max {n, size} elements of queue into c
1041	<	*/
1041	>	*/
1042		public void testDrainToN() {
1043	+	ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE*2);
1044		for (int i = 0; i < SIZE + 2; ++i) {
1045	<	ArrayBlockingQueue q = populatedQueue(SIZE);
1045	>	for (int j = 0; j < SIZE; j++)
1046	>	assertTrue(q.offer(new Integer(j)));
1047		ArrayList l = new ArrayList();
1048		q.drainTo(l, i);
1049		int k = (i < SIZE)? i : SIZE;
1036	–	assertEquals(q.size(), SIZE-k);
1050		assertEquals(l.size(), k);
1051	<	for (int j = 0; j < k; ++j)
1051	>	assertEquals(q.size(), SIZE-k);
1052	>	for (int j = 0; j < k; ++j)
1053		assertEquals(l.get(j), new Integer(j));
1054	+	while (q.poll() != null) ;
1055		}
1056		}
1057

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