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; |
21 |
– |
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
22 |
– |
import junit.framework.Test; |
23 |
– |
import junit.framework.TestSuite; |
22 |
|
|
23 |
|
@SuppressWarnings({"unchecked", "rawtypes"}) |
24 |
|
public class LinkedTransferQueueTest extends JSR166TestCase { |
63 |
|
* NullPointerException |
64 |
|
*/ |
65 |
|
public void testConstructor3() { |
66 |
+ |
Collection<Integer> elements = Arrays.asList(new Integer[SIZE]); |
67 |
|
try { |
68 |
< |
Integer[] ints = new Integer[SIZE]; |
70 |
< |
new LinkedTransferQueue(Arrays.asList(ints)); |
68 |
> |
new LinkedTransferQueue(elements); |
69 |
|
shouldThrow(); |
70 |
|
} catch (NullPointerException success) {} |
71 |
|
} |
75 |
|
* throws NullPointerException |
76 |
|
*/ |
77 |
|
public void testConstructor4() { |
78 |
+ |
Integer[] ints = new Integer[SIZE]; |
79 |
+ |
for (int i = 0; i < SIZE-1; ++i) |
80 |
+ |
ints[i] = i; |
81 |
+ |
Collection<Integer> elements = Arrays.asList(ints); |
82 |
|
try { |
83 |
< |
Integer[] ints = new Integer[SIZE]; |
82 |
< |
for (int i = 0; i < SIZE - 1; ++i) { |
83 |
< |
ints[i] = i; |
84 |
< |
} |
85 |
< |
new LinkedTransferQueue(Arrays.asList(ints)); |
83 |
> |
new LinkedTransferQueue(elements); |
84 |
|
shouldThrow(); |
85 |
|
} catch (NullPointerException success) {} |
86 |
|
} |
127 |
|
} |
128 |
|
|
129 |
|
/** |
132 |
– |
* offer(null) throws NullPointerException |
133 |
– |
*/ |
134 |
– |
public void testOfferNull() { |
135 |
– |
try { |
136 |
– |
LinkedTransferQueue q = new LinkedTransferQueue(); |
137 |
– |
q.offer(null); |
138 |
– |
shouldThrow(); |
139 |
– |
} catch (NullPointerException success) {} |
140 |
– |
} |
141 |
– |
|
142 |
– |
/** |
143 |
– |
* add(null) throws NullPointerException |
144 |
– |
*/ |
145 |
– |
public void testAddNull() { |
146 |
– |
try { |
147 |
– |
LinkedTransferQueue q = new LinkedTransferQueue(); |
148 |
– |
q.add(null); |
149 |
– |
shouldThrow(); |
150 |
– |
} catch (NullPointerException success) {} |
151 |
– |
} |
152 |
– |
|
153 |
– |
/** |
154 |
– |
* addAll(null) throws NullPointerException |
155 |
– |
*/ |
156 |
– |
public void testAddAll1() { |
157 |
– |
try { |
158 |
– |
LinkedTransferQueue q = new LinkedTransferQueue(); |
159 |
– |
q.addAll(null); |
160 |
– |
shouldThrow(); |
161 |
– |
} catch (NullPointerException success) {} |
162 |
– |
} |
163 |
– |
|
164 |
– |
/** |
130 |
|
* addAll(this) throws IllegalArgumentException |
131 |
|
*/ |
132 |
|
public void testAddAllSelf() { |
138 |
|
} |
139 |
|
|
140 |
|
/** |
176 |
– |
* addAll of a collection with null elements throws NullPointerException |
177 |
– |
*/ |
178 |
– |
public void testAddAll2() { |
179 |
– |
try { |
180 |
– |
LinkedTransferQueue q = new LinkedTransferQueue(); |
181 |
– |
Integer[] ints = new Integer[SIZE]; |
182 |
– |
q.addAll(Arrays.asList(ints)); |
183 |
– |
shouldThrow(); |
184 |
– |
} catch (NullPointerException success) {} |
185 |
– |
} |
186 |
– |
|
187 |
– |
/** |
141 |
|
* addAll of a collection with any null elements throws |
142 |
|
* NullPointerException after possibly adding some elements |
143 |
|
*/ |
171 |
|
} |
172 |
|
|
173 |
|
/** |
221 |
– |
* put(null) throws NullPointerException |
222 |
– |
*/ |
223 |
– |
public void testPutNull() throws InterruptedException { |
224 |
– |
try { |
225 |
– |
LinkedTransferQueue q = new LinkedTransferQueue(); |
226 |
– |
q.put(null); |
227 |
– |
shouldThrow(); |
228 |
– |
} catch (NullPointerException success) {} |
229 |
– |
} |
230 |
– |
|
231 |
– |
/** |
174 |
|
* all elements successfully put are contained |
175 |
|
*/ |
176 |
|
public void testPut() { |
177 |
|
LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>(); |
178 |
|
for (int i = 0; i < SIZE; ++i) { |
179 |
< |
assertEquals(q.size(), i); |
179 |
> |
assertEquals(i, q.size()); |
180 |
|
q.put(i); |
181 |
|
assertTrue(q.contains(i)); |
182 |
|
} |
196 |
|
* take removes existing elements until empty, then blocks interruptibly |
197 |
|
*/ |
198 |
|
public void testBlockingTake() throws InterruptedException { |
199 |
< |
final BlockingQueue<Integer> q = populatedQueue(SIZE); |
200 |
< |
final CountDownLatch aboutToWait = new CountDownLatch(1); |
199 |
> |
final BlockingQueue q = populatedQueue(SIZE); |
200 |
> |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
201 |
|
Thread t = newStartedThread(new CheckedRunnable() { |
202 |
|
public void realRun() throws InterruptedException { |
203 |
|
for (int i = 0; i < SIZE; ++i) { |
204 |
< |
assertEquals(i, (int) q.take()); |
204 |
> |
assertEquals(i, q.take()); |
205 |
|
} |
206 |
< |
aboutToWait.countDown(); |
206 |
> |
|
207 |
> |
Thread.currentThread().interrupt(); |
208 |
|
try { |
209 |
|
q.take(); |
210 |
|
shouldThrow(); |
211 |
|
} catch (InterruptedException success) {} |
212 |
+ |
assertFalse(Thread.interrupted()); |
213 |
+ |
|
214 |
+ |
pleaseInterrupt.countDown(); |
215 |
+ |
try { |
216 |
+ |
q.take(); |
217 |
+ |
shouldThrow(); |
218 |
+ |
} catch (InterruptedException success) {} |
219 |
+ |
assertFalse(Thread.interrupted()); |
220 |
|
}}); |
221 |
|
|
222 |
< |
aboutToWait.await(); |
223 |
< |
waitForThreadToEnterWaitState(t, SMALL_DELAY_MS); |
222 |
> |
await(pleaseInterrupt); |
223 |
> |
assertThreadStaysAlive(t); |
224 |
|
t.interrupt(); |
225 |
< |
awaitTermination(t, MEDIUM_DELAY_MS); |
275 |
< |
checkEmpty(q); |
225 |
> |
awaitTermination(t); |
226 |
|
} |
227 |
|
|
228 |
|
/** |
255 |
|
public void testTimedPoll() throws InterruptedException { |
256 |
|
LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
257 |
|
for (int i = 0; i < SIZE; ++i) { |
258 |
< |
long t0 = System.nanoTime(); |
259 |
< |
assertEquals(i, (int) q.poll(SMALL_DELAY_MS, MILLISECONDS)); |
260 |
< |
assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS); |
261 |
< |
} |
262 |
< |
long t0 = System.nanoTime(); |
263 |
< |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
264 |
< |
assertTrue(millisElapsedSince(t0) >= SHORT_DELAY_MS); |
258 |
> |
long startTime = System.nanoTime(); |
259 |
> |
assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS)); |
260 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
261 |
> |
} |
262 |
> |
long startTime = System.nanoTime(); |
263 |
> |
assertNull(q.poll(timeoutMillis(), MILLISECONDS)); |
264 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
265 |
|
checkEmpty(q); |
266 |
|
} |
267 |
|
|
367 |
|
} |
368 |
|
|
369 |
|
/** |
420 |
– |
* remove(x) removes x and returns true if present |
421 |
– |
*/ |
422 |
– |
public void testRemoveElement() throws InterruptedException { |
423 |
– |
LinkedTransferQueue q = populatedQueue(SIZE); |
424 |
– |
for (int i = 1; i < SIZE; i+=2) { |
425 |
– |
assertTrue(q.contains(i)); |
426 |
– |
assertTrue(q.remove(i)); |
427 |
– |
assertFalse(q.contains(i)); |
428 |
– |
assertTrue(q.contains(i-1)); |
429 |
– |
} |
430 |
– |
for (int i = 0; i < SIZE; i+=2) { |
431 |
– |
assertTrue(q.contains(i)); |
432 |
– |
assertTrue(q.remove(i)); |
433 |
– |
assertFalse(q.contains(i)); |
434 |
– |
assertFalse(q.remove(i+1)); |
435 |
– |
assertFalse(q.contains(i+1)); |
436 |
– |
} |
437 |
– |
checkEmpty(q); |
438 |
– |
} |
439 |
– |
|
440 |
– |
/** |
370 |
|
* An add following remove(x) succeeds |
371 |
|
*/ |
372 |
|
public void testRemoveElementAndAdd() throws InterruptedException { |
482 |
|
} |
483 |
|
|
484 |
|
/** |
556 |
– |
* toArray(null) throws NullPointerException |
557 |
– |
*/ |
558 |
– |
public void testToArray_NullArg() { |
559 |
– |
LinkedTransferQueue q = populatedQueue(SIZE); |
560 |
– |
try { |
561 |
– |
q.toArray(null); |
562 |
– |
shouldThrow(); |
563 |
– |
} catch (NullPointerException success) {} |
564 |
– |
} |
565 |
– |
|
566 |
– |
/** |
485 |
|
* toArray(incompatible array type) throws ArrayStoreException |
486 |
|
*/ |
487 |
|
public void testToArray1_BadArg() { |
564 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
565 |
|
String s = q.toString(); |
566 |
|
for (int i = 0; i < SIZE; ++i) { |
567 |
< |
assertTrue(s.indexOf(String.valueOf(i)) >= 0); |
567 |
> |
assertTrue(s.contains(String.valueOf(i))); |
568 |
|
} |
569 |
|
} |
570 |
|
|
573 |
|
*/ |
574 |
|
public void testOfferInExecutor() { |
575 |
|
final LinkedTransferQueue q = new LinkedTransferQueue(); |
576 |
< |
final CountDownLatch threadsStarted = new CountDownLatch(2); |
576 |
> |
final CheckedBarrier threadsStarted = new CheckedBarrier(2); |
577 |
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
578 |
|
|
579 |
|
executor.execute(new CheckedRunnable() { |
580 |
|
public void realRun() throws InterruptedException { |
663 |
– |
threadsStarted.countDown(); |
581 |
|
threadsStarted.await(); |
582 |
< |
assertTrue(q.offer(one, MEDIUM_DELAY_MS, MILLISECONDS)); |
582 |
> |
assertTrue(q.offer(one, LONG_DELAY_MS, MILLISECONDS)); |
583 |
|
}}); |
584 |
|
|
585 |
|
executor.execute(new CheckedRunnable() { |
586 |
|
public void realRun() throws InterruptedException { |
670 |
– |
threadsStarted.countDown(); |
587 |
|
threadsStarted.await(); |
588 |
|
assertSame(one, q.take()); |
589 |
|
checkEmpty(q); |
597 |
|
*/ |
598 |
|
public void testPollInExecutor() { |
599 |
|
final LinkedTransferQueue q = new LinkedTransferQueue(); |
600 |
< |
final CountDownLatch threadsStarted = new CountDownLatch(2); |
600 |
> |
final CheckedBarrier threadsStarted = new CheckedBarrier(2); |
601 |
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
602 |
|
|
603 |
|
executor.execute(new CheckedRunnable() { |
604 |
|
public void realRun() throws InterruptedException { |
605 |
|
assertNull(q.poll()); |
690 |
– |
threadsStarted.countDown(); |
606 |
|
threadsStarted.await(); |
607 |
< |
assertSame(one, q.poll(SMALL_DELAY_MS, MILLISECONDS)); |
607 |
> |
assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
608 |
|
checkEmpty(q); |
609 |
|
}}); |
610 |
|
|
611 |
|
executor.execute(new CheckedRunnable() { |
612 |
|
public void realRun() throws InterruptedException { |
698 |
– |
threadsStarted.countDown(); |
613 |
|
threadsStarted.await(); |
614 |
|
q.put(one); |
615 |
|
}}); |
621 |
|
* A deserialized serialized queue has same elements in same order |
622 |
|
*/ |
623 |
|
public void testSerialization() throws Exception { |
624 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
625 |
< |
|
712 |
< |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
713 |
< |
ObjectOutputStream out |
714 |
< |
= new ObjectOutputStream(new BufferedOutputStream(bout)); |
715 |
< |
out.writeObject(q); |
716 |
< |
out.close(); |
624 |
> |
Queue x = populatedQueue(SIZE); |
625 |
> |
Queue y = serialClone(x); |
626 |
|
|
627 |
< |
ByteArrayInputStream bin |
628 |
< |
= new ByteArrayInputStream(bout.toByteArray()); |
629 |
< |
ObjectInputStream in |
630 |
< |
= new ObjectInputStream(new BufferedInputStream(bin)); |
631 |
< |
LinkedTransferQueue r = (LinkedTransferQueue) in.readObject(); |
632 |
< |
|
633 |
< |
assertEquals(q.size(), r.size()); |
725 |
< |
assertEquals(q.toString(), r.toString()); |
726 |
< |
assertTrue(Arrays.equals(q.toArray(), r.toArray())); |
727 |
< |
while (!q.isEmpty()) { |
728 |
< |
assertEquals(q.remove(), r.remove()); |
627 |
> |
assertNotSame(y, x); |
628 |
> |
assertEquals(x.size(), y.size()); |
629 |
> |
assertEquals(x.toString(), y.toString()); |
630 |
> |
assertTrue(Arrays.equals(x.toArray(), y.toArray())); |
631 |
> |
while (!x.isEmpty()) { |
632 |
> |
assertFalse(y.isEmpty()); |
633 |
> |
assertEquals(x.remove(), y.remove()); |
634 |
|
} |
635 |
< |
} |
731 |
< |
|
732 |
< |
/** |
733 |
< |
* drainTo(null) throws NullPointerException |
734 |
< |
*/ |
735 |
< |
public void testDrainToNull() { |
736 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
737 |
< |
try { |
738 |
< |
q.drainTo(null); |
739 |
< |
shouldThrow(); |
740 |
< |
} catch (NullPointerException success) {} |
741 |
< |
} |
742 |
< |
|
743 |
< |
/** |
744 |
< |
* drainTo(this) throws IllegalArgumentException |
745 |
< |
*/ |
746 |
< |
public void testDrainToSelf() { |
747 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
748 |
< |
try { |
749 |
< |
q.drainTo(q); |
750 |
< |
shouldThrow(); |
751 |
< |
} catch (IllegalArgumentException success) {} |
635 |
> |
assertTrue(y.isEmpty()); |
636 |
|
} |
637 |
|
|
638 |
|
/** |
642 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
643 |
|
ArrayList l = new ArrayList(); |
644 |
|
q.drainTo(l); |
645 |
< |
assertEquals(q.size(), 0); |
646 |
< |
assertEquals(l.size(), SIZE); |
645 |
> |
assertEquals(0, q.size()); |
646 |
> |
assertEquals(SIZE, l.size()); |
647 |
|
for (int i = 0; i < SIZE; ++i) { |
648 |
< |
assertEquals(l.get(i), i); |
648 |
> |
assertEquals(i, l.get(i)); |
649 |
|
} |
650 |
|
q.add(zero); |
651 |
|
q.add(one); |
654 |
|
assertTrue(q.contains(one)); |
655 |
|
l.clear(); |
656 |
|
q.drainTo(l); |
657 |
< |
assertEquals(q.size(), 0); |
658 |
< |
assertEquals(l.size(), 2); |
657 |
> |
assertEquals(0, q.size()); |
658 |
> |
assertEquals(2, l.size()); |
659 |
|
for (int i = 0; i < 2; ++i) { |
660 |
< |
assertEquals(l.get(i), i); |
660 |
> |
assertEquals(i, l.get(i)); |
661 |
|
} |
662 |
|
} |
663 |
|
|
673 |
|
ArrayList l = new ArrayList(); |
674 |
|
q.drainTo(l); |
675 |
|
assertTrue(l.size() >= SIZE); |
676 |
< |
for (int i = 0; i < SIZE; ++i) { |
677 |
< |
assertEquals(l.get(i), i); |
794 |
< |
} |
676 |
> |
for (int i = 0; i < SIZE; ++i) |
677 |
> |
assertEquals(i, l.get(i)); |
678 |
|
awaitTermination(t, MEDIUM_DELAY_MS); |
679 |
|
assertTrue(q.size() + l.size() >= SIZE); |
680 |
|
} |
681 |
|
|
682 |
|
/** |
800 |
– |
* drainTo(null, n) throws NullPointerException |
801 |
– |
*/ |
802 |
– |
public void testDrainToNullN() { |
803 |
– |
LinkedTransferQueue q = populatedQueue(SIZE); |
804 |
– |
try { |
805 |
– |
q.drainTo(null, SIZE); |
806 |
– |
shouldThrow(); |
807 |
– |
} catch (NullPointerException success) {} |
808 |
– |
} |
809 |
– |
|
810 |
– |
/** |
811 |
– |
* drainTo(this, n) throws IllegalArgumentException |
812 |
– |
*/ |
813 |
– |
public void testDrainToSelfN() { |
814 |
– |
LinkedTransferQueue q = populatedQueue(SIZE); |
815 |
– |
try { |
816 |
– |
q.drainTo(q, SIZE); |
817 |
– |
shouldThrow(); |
818 |
– |
} catch (IllegalArgumentException success) {} |
819 |
– |
} |
820 |
– |
|
821 |
– |
/** |
683 |
|
* drainTo(c, n) empties first min(n, size) elements of queue into c |
684 |
|
*/ |
685 |
|
public void testDrainToN() { |
691 |
|
ArrayList l = new ArrayList(); |
692 |
|
q.drainTo(l, i); |
693 |
|
int k = (i < SIZE) ? i : SIZE; |
694 |
< |
assertEquals(l.size(), k); |
695 |
< |
assertEquals(q.size(), SIZE - k); |
696 |
< |
for (int j = 0; j < k; ++j) { |
697 |
< |
assertEquals(l.get(j), j); |
837 |
< |
} |
694 |
> |
assertEquals(k, l.size()); |
695 |
> |
assertEquals(SIZE - k, q.size()); |
696 |
> |
for (int j = 0; j < k; ++j) |
697 |
> |
assertEquals(j, l.get(j)); |
698 |
|
while (q.poll() != null) |
699 |
|
; |
700 |
|
} |
706 |
|
*/ |
707 |
|
public void testWaitingConsumer() throws InterruptedException { |
708 |
|
final LinkedTransferQueue q = new LinkedTransferQueue(); |
709 |
< |
assertEquals(q.getWaitingConsumerCount(), 0); |
709 |
> |
assertEquals(0, q.getWaitingConsumerCount()); |
710 |
|
assertFalse(q.hasWaitingConsumer()); |
711 |
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
712 |
|
|
714 |
|
public void realRun() throws InterruptedException { |
715 |
|
threadStarted.countDown(); |
716 |
|
assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
717 |
< |
assertEquals(q.getWaitingConsumerCount(), 0); |
717 |
> |
assertEquals(0, q.getWaitingConsumerCount()); |
718 |
|
assertFalse(q.hasWaitingConsumer()); |
719 |
|
}}); |
720 |
|
|
721 |
|
threadStarted.await(); |
722 |
|
waitForThreadToEnterWaitState(t, SMALL_DELAY_MS); |
723 |
< |
assertEquals(q.getWaitingConsumerCount(), 1); |
723 |
> |
assertEquals(1, q.getWaitingConsumerCount()); |
724 |
|
assertTrue(q.hasWaitingConsumer()); |
725 |
|
|
726 |
|
assertTrue(q.offer(one)); |
727 |
< |
assertEquals(q.getWaitingConsumerCount(), 0); |
727 |
> |
assertEquals(0, q.getWaitingConsumerCount()); |
728 |
|
assertFalse(q.hasWaitingConsumer()); |
729 |
|
|
730 |
|
awaitTermination(t, MEDIUM_DELAY_MS); |
911 |
|
} |
912 |
|
|
913 |
|
/** |
914 |
< |
* tryTransfer waits the amount given, and throws |
1055 |
< |
* InterruptedException when interrupted. |
914 |
> |
* tryTransfer blocks interruptibly if no takers |
915 |
|
*/ |
916 |
|
public void testTryTransfer5() throws InterruptedException { |
917 |
|
final LinkedTransferQueue q = new LinkedTransferQueue(); |
918 |
< |
final CountDownLatch threadStarted = new CountDownLatch(1); |
918 |
> |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
919 |
|
assertTrue(q.isEmpty()); |
920 |
|
|
921 |
|
Thread t = newStartedThread(new CheckedRunnable() { |
922 |
|
public void realRun() throws InterruptedException { |
923 |
< |
long t0 = System.nanoTime(); |
1065 |
< |
threadStarted.countDown(); |
923 |
> |
Thread.currentThread().interrupt(); |
924 |
|
try { |
925 |
|
q.tryTransfer(new Object(), LONG_DELAY_MS, MILLISECONDS); |
926 |
|
shouldThrow(); |
927 |
|
} catch (InterruptedException success) {} |
928 |
< |
assertTrue(millisElapsedSince(t0) >= SHORT_DELAY_MS); |
929 |
< |
assertTrue(millisElapsedSince(t0) < MEDIUM_DELAY_MS); |
928 |
> |
assertFalse(Thread.interrupted()); |
929 |
> |
|
930 |
> |
pleaseInterrupt.countDown(); |
931 |
> |
try { |
932 |
> |
q.tryTransfer(new Object(), LONG_DELAY_MS, MILLISECONDS); |
933 |
> |
shouldThrow(); |
934 |
> |
} catch (InterruptedException success) {} |
935 |
> |
assertFalse(Thread.interrupted()); |
936 |
|
}}); |
937 |
|
|
938 |
< |
threadStarted.await(); |
939 |
< |
while (q.isEmpty()) |
1076 |
< |
Thread.yield(); |
1077 |
< |
delay(SHORT_DELAY_MS); |
938 |
> |
await(pleaseInterrupt); |
939 |
> |
assertThreadStaysAlive(t); |
940 |
|
t.interrupt(); |
941 |
< |
awaitTermination(t, MEDIUM_DELAY_MS); |
941 |
> |
awaitTermination(t); |
942 |
|
checkEmpty(q); |
943 |
|
} |
944 |
|
|
952 |
|
public void realRun() throws InterruptedException { |
953 |
|
long t0 = System.nanoTime(); |
954 |
|
assertFalse(q.tryTransfer(new Object(), |
955 |
< |
SHORT_DELAY_MS, MILLISECONDS)); |
956 |
< |
assertTrue(millisElapsedSince(t0) >= SHORT_DELAY_MS); |
955 |
> |
timeoutMillis(), MILLISECONDS)); |
956 |
> |
assertTrue(millisElapsedSince(t0) >= timeoutMillis()); |
957 |
|
checkEmpty(q); |
958 |
|
}}); |
959 |
|
|
960 |
< |
awaitTermination(t, MEDIUM_DELAY_MS); |
960 |
> |
awaitTermination(t); |
961 |
|
checkEmpty(q); |
962 |
|
} |
963 |
|
|
993 |
|
assertTrue(q.offer(four)); |
994 |
|
assertEquals(1, q.size()); |
995 |
|
long t0 = System.nanoTime(); |
996 |
< |
assertFalse(q.tryTransfer(five, SHORT_DELAY_MS, MILLISECONDS)); |
997 |
< |
assertTrue(millisElapsedSince(t0) >= SHORT_DELAY_MS); |
996 |
> |
assertFalse(q.tryTransfer(five, timeoutMillis(), MILLISECONDS)); |
997 |
> |
assertTrue(millisElapsedSince(t0) >= timeoutMillis()); |
998 |
|
assertEquals(1, q.size()); |
999 |
|
assertSame(four, q.poll()); |
1000 |
|
assertNull(q.poll()); |
1012 |
|
assertFalse(q.isEmpty()); |
1013 |
|
return q; |
1014 |
|
} |
1015 |
+ |
|
1016 |
+ |
/** |
1017 |
+ |
* remove(null), contains(null) always return false |
1018 |
+ |
*/ |
1019 |
+ |
public void testNeverContainsNull() { |
1020 |
+ |
Collection<?>[] qs = { |
1021 |
+ |
new LinkedTransferQueue<Object>(), |
1022 |
+ |
populatedQueue(2), |
1023 |
+ |
}; |
1024 |
+ |
|
1025 |
+ |
for (Collection<?> q : qs) { |
1026 |
+ |
assertFalse(q.contains(null)); |
1027 |
+ |
assertFalse(q.remove(null)); |
1028 |
+ |
} |
1029 |
+ |
} |
1030 |
|
} |