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

Comparing jsr166/src/test/tck/LinkedBlockingQueueTest.java (file contents):
Revision 1.27 by jsr166, Wed Aug 25 01:44:48 2010 UTC vs.
Revision 1.38 by jsr166, Thu Nov 18 20:21:53 2010 UTC

#	Line 14 | Line 14 | import java.io.*;
14
15		public class LinkedBlockingQueueTest extends JSR166TestCase {
16
17	+	public static class Unbounded extends BlockingQueueTest {
18	+	protected BlockingQueue emptyCollection() {
19	+	return new LinkedBlockingQueue();
20	+	}
21	+	}
22	+
23	+	public static class Bounded extends BlockingQueueTest {
24	+	protected BlockingQueue emptyCollection() {
25	+	return new LinkedBlockingQueue(20);
26	+	}
27	+	}
28	+
29		public static void main(String[] args) {
30		junit.textui.TestRunner.run(suite());
31		}
32
33		public static Test suite() {
34	<	return new TestSuite(LinkedBlockingQueueTest.class);
34	>	return newTestSuite(LinkedBlockingQueueTest.class,
35	>	new Unbounded().testSuite(),
36	>	new Bounded().testSuite());
37		}
38
39
#	Line 27 | Line 41 | public class LinkedBlockingQueueTest ext
41		* Create a queue of given size containing consecutive
42		* Integers 0 ... n.
43		*/
44	<	private LinkedBlockingQueue populatedQueue(int n) {
45	<	LinkedBlockingQueue q = new LinkedBlockingQueue(n);
44	>	private LinkedBlockingQueue<Integer> populatedQueue(int n) {
45	>	LinkedBlockingQueue<Integer> q =
46	>	new LinkedBlockingQueue<Integer>(n);
47		assertTrue(q.isEmpty());
48		for (int i = 0; i < n; i++)
49		assertTrue(q.offer(new Integer(i)));
#	Line 367 | Line 382 | public class LinkedBlockingQueueTest ext
382		}
383
384		/**
370	–	* take blocks interruptibly when empty
371	–	*/
372	–	public void testTakeFromEmpty() throws InterruptedException {
373	–	final LinkedBlockingQueue q = new LinkedBlockingQueue(2);
374	–	Thread t = new ThreadShouldThrow(InterruptedException.class) {
375	–	public void realRun() throws InterruptedException {
376	–	q.take();
377	–	}};
378	–
379	–	t.start();
380	–	Thread.sleep(SHORT_DELAY_MS);
381	–	t.interrupt();
382	–	t.join();
383	–	}
384	–
385	–	/**
385		* Take removes existing elements until empty, then blocks interruptibly
386		*/
387		public void testBlockingTake() throws InterruptedException {
#	Line 416 | Line 415 | public class LinkedBlockingQueueTest ext
415		}
416
417		/**
418	<	* timed pool with zero timeout succeeds when non-empty, else times out
418	>	* timed poll with zero timeout succeeds when non-empty, else times out
419		*/
420		public void testTimedPoll0() throws InterruptedException {
421		LinkedBlockingQueue q = populatedQueue(SIZE);
#	Line 427 | Line 426 | public class LinkedBlockingQueueTest ext
426		}
427
428		/**
429	<	* timed pool with nonzero timeout succeeds when non-empty, else times out
429	>	* timed poll with nonzero timeout succeeds when non-empty, else times out
430		*/
431		public void testTimedPoll() throws InterruptedException {
432		LinkedBlockingQueue q = populatedQueue(SIZE);
#	Line 461 | Line 460 | public class LinkedBlockingQueueTest ext
460		}
461
462		/**
464	–	*  timed poll before a delayed offer fails; after offer succeeds;
465	–	*  on interruption throws
466	–	*/
467	–	public void testTimedPollWithOffer() throws InterruptedException {
468	–	final LinkedBlockingQueue q = new LinkedBlockingQueue(2);
469	–	Thread t = new Thread(new CheckedRunnable() {
470	–	public void realRun() throws InterruptedException {
471	–	assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
472	–	assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS));
473	–	try {
474	–	q.poll(LONG_DELAY_MS, MILLISECONDS);
475	–	shouldThrow();
476	–	} catch (InterruptedException success) {}
477	–	}});
478	–
479	–	t.start();
480	–	Thread.sleep(SMALL_DELAY_MS);
481	–	assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS));
482	–	t.interrupt();
483	–	t.join();
484	–	}
485	–
486	–	/**
463		* peek returns next element, or null if empty
464		*/
465		public void testPeek() {
#	Line 532 | Line 508 | public class LinkedBlockingQueueTest ext
508		public void testRemoveElement() {
509		LinkedBlockingQueue q = populatedQueue(SIZE);
510		for (int i = 1; i < SIZE; i+=2) {
511	<	assertTrue(q.remove(new Integer(i)));
511	>	assertTrue(q.contains(i));
512	>	assertTrue(q.remove(i));
513	>	assertFalse(q.contains(i));
514	>	assertTrue(q.contains(i-1));
515		}
516		for (int i = 0; i < SIZE; i+=2) {
517	<	assertTrue(q.remove(new Integer(i)));
518	<	assertFalse(q.remove(new Integer(i+1)));
517	>	assertTrue(q.contains(i));
518	>	assertTrue(q.remove(i));
519	>	assertFalse(q.contains(i));
520	>	assertFalse(q.remove(i+1));
521	>	assertFalse(q.contains(i+1));
522		}
523		assertTrue(q.isEmpty());
524		}
#	Line 632 | Line 614 | public class LinkedBlockingQueueTest ext
614		}
615
616		/**
617	<	* toArray contains all elements
617	>	* toArray contains all elements in FIFO order
618		*/
619	<	public void testToArray() throws InterruptedException {
619	>	public void testToArray() {
620		LinkedBlockingQueue q = populatedQueue(SIZE);
621		Object[] o = q.toArray();
622		for (int i = 0; i < o.length; i++)
623	<	assertEquals(o[i], q.take());
623	>	assertSame(o[i], q.poll());
624		}
625
626		/**
627	<	* toArray(a) contains all elements
627	>	* toArray(a) contains all elements in FIFO order
628		*/
629		public void testToArray2() throws InterruptedException {
630	<	LinkedBlockingQueue q = populatedQueue(SIZE);
630	>	LinkedBlockingQueue<Integer> q = populatedQueue(SIZE);
631		Integer[] ints = new Integer[SIZE];
632	<	ints = (Integer[])q.toArray(ints);
632	>	Integer[] array = q.toArray(ints);
633	>	assertSame(ints, array);
634		for (int i = 0; i < ints.length; i++)
635	<	assertEquals(ints[i], q.take());
635	>	assertSame(ints[i], q.poll());
636		}
637
638		/**
639	<	* toArray(null) throws NPE
639	>	* toArray(null) throws NullPointerException
640		*/
641	<	public void testToArray_BadArg() {
641	>	public void testToArray_NullArg() {
642		LinkedBlockingQueue q = populatedQueue(SIZE);
643		try {
644	<	Object o[] = q.toArray(null);
644	>	q.toArray(null);
645		shouldThrow();
646		} catch (NullPointerException success) {}
647		}
648
649		/**
650	<	* toArray with incompatible array type throws CCE
650	>	* toArray(incompatible array type) throws ArrayStoreException
651		*/
652		public void testToArray1_BadArg() {
653		LinkedBlockingQueue q = populatedQueue(SIZE);
654		try {
655	<	Object o[] = q.toArray(new String[10]);
655	>	q.toArray(new String[10]);
656		shouldThrow();
657		} catch (ArrayStoreException success) {}
658		}
#	Line 904 | Line 887 | public class LinkedBlockingQueueTest ext
887		}
888
889		/**
890	<	* drainTo(c, n) empties first max {n, size} elements of queue into c
890	>	* drainTo(c, n) empties first min(n, size) elements of queue into c
891		*/
892		public void testDrainToN() {
893		LinkedBlockingQueue q = new LinkedBlockingQueue();
#	Line 913 | Line 896 | public class LinkedBlockingQueueTest ext
896		assertTrue(q.offer(new Integer(j)));
897		ArrayList l = new ArrayList();
898		q.drainTo(l, i);
899	<	int k = (i < SIZE)? i : SIZE;
899	>	int k = (i < SIZE) ? i : SIZE;
900		assertEquals(l.size(), k);
901		assertEquals(q.size(), SIZE-k);
902		for (int j = 0; j < k; ++j)

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