| 19 |
|
import java.util.concurrent.CountDownLatch; |
| 20 |
|
import java.util.concurrent.Executors; |
| 21 |
|
import java.util.concurrent.ExecutorService; |
| 22 |
+ |
import java.util.concurrent.ThreadLocalRandom; |
| 23 |
|
|
| 24 |
|
import junit.framework.Test; |
| 25 |
|
|
| 27 |
|
|
| 28 |
|
public static class Fair extends BlockingQueueTest { |
| 29 |
|
protected BlockingQueue emptyCollection() { |
| 30 |
< |
return new ArrayBlockingQueue(SIZE, true); |
| 30 |
> |
return populatedQueue(0, SIZE, 2 * SIZE, true); |
| 31 |
|
} |
| 32 |
|
} |
| 33 |
|
|
| 34 |
|
public static class NonFair extends BlockingQueueTest { |
| 35 |
|
protected BlockingQueue emptyCollection() { |
| 36 |
< |
return new ArrayBlockingQueue(SIZE, false); |
| 36 |
> |
return populatedQueue(0, SIZE, 2 * SIZE, false); |
| 37 |
|
} |
| 38 |
|
} |
| 39 |
|
|
| 40 |
|
public static void main(String[] args) { |
| 41 |
< |
junit.textui.TestRunner.run(suite()); |
| 41 |
> |
main(suite(), args); |
| 42 |
|
} |
| 43 |
|
|
| 44 |
|
public static Test suite() { |
| 45 |
+ |
class Implementation implements CollectionImplementation { |
| 46 |
+ |
public Class<?> klazz() { return ArrayBlockingQueue.class; } |
| 47 |
+ |
public Collection emptyCollection() { |
| 48 |
+ |
boolean fair = ThreadLocalRandom.current().nextBoolean(); |
| 49 |
+ |
return populatedQueue(0, SIZE, 2 * SIZE, fair); |
| 50 |
+ |
} |
| 51 |
+ |
public Object makeElement(int i) { return i; } |
| 52 |
+ |
public boolean isConcurrent() { return true; } |
| 53 |
+ |
public boolean permitsNulls() { return false; } |
| 54 |
+ |
} |
| 55 |
|
return newTestSuite(ArrayBlockingQueueTest.class, |
| 56 |
|
new Fair().testSuite(), |
| 57 |
< |
new NonFair().testSuite()); |
| 57 |
> |
new NonFair().testSuite(), |
| 58 |
> |
CollectionTest.testSuite(new Implementation())); |
| 59 |
|
} |
| 60 |
|
|
| 61 |
|
/** |
| 62 |
|
* Returns a new queue of given size containing consecutive |
| 63 |
< |
* Integers 0 ... n. |
| 63 |
> |
* Integers 0 ... n - 1. |
| 64 |
|
*/ |
| 65 |
< |
private ArrayBlockingQueue<Integer> populatedQueue(int n) { |
| 66 |
< |
ArrayBlockingQueue<Integer> q = new ArrayBlockingQueue<Integer>(n); |
| 65 |
> |
static ArrayBlockingQueue<Integer> populatedQueue(int n) { |
| 66 |
> |
return populatedQueue(n, n, n, false); |
| 67 |
> |
} |
| 68 |
> |
|
| 69 |
> |
/** |
| 70 |
> |
* Returns a new queue of given size containing consecutive |
| 71 |
> |
* Integers 0 ... n - 1, with given capacity range and fairness. |
| 72 |
> |
*/ |
| 73 |
> |
static ArrayBlockingQueue<Integer> populatedQueue( |
| 74 |
> |
int size, int minCapacity, int maxCapacity, boolean fair) { |
| 75 |
> |
ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
| 76 |
> |
int capacity = rnd.nextInt(minCapacity, maxCapacity + 1); |
| 77 |
> |
ArrayBlockingQueue<Integer> q = new ArrayBlockingQueue<>(capacity); |
| 78 |
|
assertTrue(q.isEmpty()); |
| 79 |
< |
for (int i = 0; i < n; i++) |
| 80 |
< |
assertTrue(q.offer(new Integer(i))); |
| 81 |
< |
assertFalse(q.isEmpty()); |
| 82 |
< |
assertEquals(0, q.remainingCapacity()); |
| 83 |
< |
assertEquals(n, q.size()); |
| 79 |
> |
// shuffle circular array elements so they wrap |
| 80 |
> |
{ |
| 81 |
> |
int n = rnd.nextInt(capacity); |
| 82 |
> |
for (int i = 0; i < n; i++) q.add(42); |
| 83 |
> |
for (int i = 0; i < n; i++) q.remove(); |
| 84 |
> |
} |
| 85 |
> |
for (int i = 0; i < size; i++) |
| 86 |
> |
assertTrue(q.offer((Integer) i)); |
| 87 |
> |
assertEquals(size == 0, q.isEmpty()); |
| 88 |
> |
assertEquals(capacity - size, q.remainingCapacity()); |
| 89 |
> |
assertEquals(size, q.size()); |
| 90 |
> |
if (size > 0) |
| 91 |
> |
assertEquals((Integer) 0, q.peek()); |
| 92 |
|
return q; |
| 93 |
|
} |
| 94 |
|
|
| 135 |
|
*/ |
| 136 |
|
public void testConstructor5() { |
| 137 |
|
Integer[] ints = new Integer[SIZE]; |
| 138 |
< |
for (int i = 0; i < SIZE-1; ++i) |
| 138 |
> |
for (int i = 0; i < SIZE - 1; ++i) |
| 139 |
|
ints[i] = i; |
| 140 |
|
Collection<Integer> elements = Arrays.asList(ints); |
| 141 |
|
try { |
| 190 |
|
* remainingCapacity decreases on add, increases on remove |
| 191 |
|
*/ |
| 192 |
|
public void testRemainingCapacity() { |
| 193 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
| 193 |
> |
BlockingQueue q = populatedQueue(SIZE); |
| 194 |
|
for (int i = 0; i < SIZE; ++i) { |
| 195 |
|
assertEquals(i, q.remainingCapacity()); |
| 196 |
< |
assertEquals(SIZE-i, q.size()); |
| 197 |
< |
q.remove(); |
| 196 |
> |
assertEquals(SIZE, q.size() + q.remainingCapacity()); |
| 197 |
> |
assertEquals(i, q.remove()); |
| 198 |
|
} |
| 199 |
|
for (int i = 0; i < SIZE; ++i) { |
| 200 |
< |
assertEquals(SIZE-i, q.remainingCapacity()); |
| 201 |
< |
assertEquals(i, q.size()); |
| 202 |
< |
q.add(new Integer(i)); |
| 200 |
> |
assertEquals(SIZE - i, q.remainingCapacity()); |
| 201 |
> |
assertEquals(SIZE, q.size() + q.remainingCapacity()); |
| 202 |
> |
assertTrue(q.add(i)); |
| 203 |
|
} |
| 204 |
|
} |
| 205 |
|
|
| 216 |
|
* add succeeds if not full; throws ISE if full |
| 217 |
|
*/ |
| 218 |
|
public void testAdd() { |
| 219 |
+ |
ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
| 220 |
+ |
for (int i = 0; i < SIZE; ++i) { |
| 221 |
+ |
assertTrue(q.add(new Integer(i))); |
| 222 |
+ |
} |
| 223 |
+ |
assertEquals(0, q.remainingCapacity()); |
| 224 |
|
try { |
| 189 |
– |
ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
| 190 |
– |
for (int i = 0; i < SIZE; ++i) { |
| 191 |
– |
assertTrue(q.add(new Integer(i))); |
| 192 |
– |
} |
| 193 |
– |
assertEquals(0, q.remainingCapacity()); |
| 225 |
|
q.add(new Integer(SIZE)); |
| 226 |
|
shouldThrow(); |
| 227 |
|
} catch (IllegalStateException success) {} |
| 231 |
|
* addAll(this) throws IAE |
| 232 |
|
*/ |
| 233 |
|
public void testAddAllSelf() { |
| 234 |
+ |
ArrayBlockingQueue q = populatedQueue(SIZE); |
| 235 |
|
try { |
| 204 |
– |
ArrayBlockingQueue q = populatedQueue(SIZE); |
| 236 |
|
q.addAll(q); |
| 237 |
|
shouldThrow(); |
| 238 |
|
} catch (IllegalArgumentException success) {} |
| 243 |
|
* possibly adding some elements |
| 244 |
|
*/ |
| 245 |
|
public void testAddAll3() { |
| 246 |
+ |
ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
| 247 |
+ |
Integer[] ints = new Integer[SIZE]; |
| 248 |
+ |
for (int i = 0; i < SIZE - 1; ++i) |
| 249 |
+ |
ints[i] = new Integer(i); |
| 250 |
|
try { |
| 216 |
– |
ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
| 217 |
– |
Integer[] ints = new Integer[SIZE]; |
| 218 |
– |
for (int i = 0; i < SIZE-1; ++i) |
| 219 |
– |
ints[i] = new Integer(i); |
| 251 |
|
q.addAll(Arrays.asList(ints)); |
| 252 |
|
shouldThrow(); |
| 253 |
|
} catch (NullPointerException success) {} |
| 257 |
|
* addAll throws ISE if not enough room |
| 258 |
|
*/ |
| 259 |
|
public void testAddAll4() { |
| 260 |
+ |
ArrayBlockingQueue q = new ArrayBlockingQueue(1); |
| 261 |
+ |
Integer[] ints = new Integer[SIZE]; |
| 262 |
+ |
for (int i = 0; i < SIZE; ++i) |
| 263 |
+ |
ints[i] = new Integer(i); |
| 264 |
|
try { |
| 230 |
– |
ArrayBlockingQueue q = new ArrayBlockingQueue(1); |
| 231 |
– |
Integer[] ints = new Integer[SIZE]; |
| 232 |
– |
for (int i = 0; i < SIZE; ++i) |
| 233 |
– |
ints[i] = new Integer(i); |
| 265 |
|
q.addAll(Arrays.asList(ints)); |
| 266 |
|
shouldThrow(); |
| 267 |
|
} catch (IllegalStateException success) {} |
| 482 |
|
final CountDownLatch aboutToWait = new CountDownLatch(1); |
| 483 |
|
Thread t = newStartedThread(new CheckedRunnable() { |
| 484 |
|
public void realRun() throws InterruptedException { |
| 485 |
+ |
long startTime = System.nanoTime(); |
| 486 |
|
for (int i = 0; i < SIZE; ++i) { |
| 455 |
– |
long t0 = System.nanoTime(); |
| 487 |
|
assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS)); |
| 457 |
– |
assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS); |
| 488 |
|
} |
| 459 |
– |
long t0 = System.nanoTime(); |
| 489 |
|
aboutToWait.countDown(); |
| 490 |
|
try { |
| 491 |
< |
q.poll(MEDIUM_DELAY_MS, MILLISECONDS); |
| 491 |
> |
q.poll(LONG_DELAY_MS, MILLISECONDS); |
| 492 |
|
shouldThrow(); |
| 493 |
|
} catch (InterruptedException success) { |
| 494 |
< |
assertTrue(millisElapsedSince(t0) < MEDIUM_DELAY_MS); |
| 494 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
| 495 |
|
} |
| 496 |
|
}}); |
| 497 |
|
|
| 498 |
< |
aboutToWait.await(); |
| 499 |
< |
waitForThreadToEnterWaitState(t, SMALL_DELAY_MS); |
| 498 |
> |
await(aboutToWait); |
| 499 |
> |
waitForThreadToEnterWaitState(t); |
| 500 |
|
t.interrupt(); |
| 501 |
< |
awaitTermination(t, MEDIUM_DELAY_MS); |
| 501 |
> |
awaitTermination(t); |
| 502 |
|
checkEmpty(q); |
| 503 |
|
} |
| 504 |
|
|
| 601 |
|
assertTrue(changed); |
| 602 |
|
|
| 603 |
|
assertTrue(q.containsAll(p)); |
| 604 |
< |
assertEquals(SIZE-i, q.size()); |
| 604 |
> |
assertEquals(SIZE - i, q.size()); |
| 605 |
|
p.remove(); |
| 606 |
|
} |
| 607 |
|
} |
| 614 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
| 615 |
|
ArrayBlockingQueue p = populatedQueue(i); |
| 616 |
|
assertTrue(q.removeAll(p)); |
| 617 |
< |
assertEquals(SIZE-i, q.size()); |
| 617 |
> |
assertEquals(SIZE - i, q.size()); |
| 618 |
|
for (int j = 0; j < i; ++j) { |
| 619 |
|
Integer x = (Integer)(p.remove()); |
| 620 |
|
assertFalse(q.contains(x)); |
| 622 |
|
} |
| 623 |
|
} |
| 624 |
|
|
| 625 |
< |
void checkToArray(ArrayBlockingQueue q) { |
| 625 |
> |
void checkToArray(ArrayBlockingQueue<Integer> q) { |
| 626 |
|
int size = q.size(); |
| 627 |
< |
Object[] o = q.toArray(); |
| 628 |
< |
assertEquals(size, o.length); |
| 627 |
> |
Object[] a1 = q.toArray(); |
| 628 |
> |
assertEquals(size, a1.length); |
| 629 |
> |
Integer[] a2 = q.toArray(new Integer[0]); |
| 630 |
> |
assertEquals(size, a2.length); |
| 631 |
> |
Integer[] a3 = q.toArray(new Integer[Math.max(0, size - 1)]); |
| 632 |
> |
assertEquals(size, a3.length); |
| 633 |
> |
Integer[] a4 = new Integer[size]; |
| 634 |
> |
assertSame(a4, q.toArray(a4)); |
| 635 |
> |
Integer[] a5 = new Integer[size + 1]; |
| 636 |
> |
Arrays.fill(a5, 42); |
| 637 |
> |
assertSame(a5, q.toArray(a5)); |
| 638 |
> |
Integer[] a6 = new Integer[size + 2]; |
| 639 |
> |
Arrays.fill(a6, 42); |
| 640 |
> |
assertSame(a6, q.toArray(a6)); |
| 641 |
> |
Object[][] as = { a1, a2, a3, a4, a5, a6 }; |
| 642 |
> |
for (Object[] a : as) { |
| 643 |
> |
if (a.length > size) assertNull(a[size]); |
| 644 |
> |
if (a.length > size + 1) assertEquals(42, a[size + 1]); |
| 645 |
> |
} |
| 646 |
|
Iterator it = q.iterator(); |
| 647 |
+ |
Integer s = q.peek(); |
| 648 |
|
for (int i = 0; i < size; i++) { |
| 649 |
|
Integer x = (Integer) it.next(); |
| 650 |
< |
assertEquals((Integer)o[0] + i, (int) x); |
| 651 |
< |
assertSame(o[i], x); |
| 650 |
> |
assertEquals(s + i, (int) x); |
| 651 |
> |
for (Object[] a : as) |
| 652 |
> |
assertSame(a1[i], x); |
| 653 |
|
} |
| 654 |
|
} |
| 655 |
|
|
| 656 |
|
/** |
| 657 |
< |
* toArray() contains all elements in FIFO order |
| 657 |
> |
* toArray() and toArray(a) contain all elements in FIFO order |
| 658 |
|
*/ |
| 659 |
|
public void testToArray() { |
| 660 |
< |
ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
| 661 |
< |
for (int i = 0; i < SIZE; i++) { |
| 660 |
> |
final ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
| 661 |
> |
final int size = rnd.nextInt(6); |
| 662 |
> |
final int capacity = Math.max(1, size + rnd.nextInt(size + 1)); |
| 663 |
> |
ArrayBlockingQueue<Integer> q = new ArrayBlockingQueue<>(capacity); |
| 664 |
> |
for (int i = 0; i < size; i++) { |
| 665 |
|
checkToArray(q); |
| 666 |
|
q.add(i); |
| 667 |
|
} |
| 668 |
|
// Provoke wraparound |
| 669 |
< |
for (int i = 0; i < SIZE; i++) { |
| 669 |
> |
int added = size * 2; |
| 670 |
> |
for (int i = 0; i < added; i++) { |
| 671 |
|
checkToArray(q); |
| 672 |
< |
assertEquals(i, q.poll()); |
| 673 |
< |
checkToArray(q); |
| 622 |
< |
q.add(SIZE+i); |
| 623 |
< |
} |
| 624 |
< |
for (int i = 0; i < SIZE; i++) { |
| 625 |
< |
checkToArray(q); |
| 626 |
< |
assertEquals(SIZE+i, q.poll()); |
| 672 |
> |
assertEquals((Integer) i, q.poll()); |
| 673 |
> |
q.add(size + i); |
| 674 |
|
} |
| 628 |
– |
} |
| 629 |
– |
|
| 630 |
– |
void checkToArray2(ArrayBlockingQueue q) { |
| 631 |
– |
int size = q.size(); |
| 632 |
– |
Integer[] a1 = size == 0 ? null : new Integer[size-1]; |
| 633 |
– |
Integer[] a2 = new Integer[size]; |
| 634 |
– |
Integer[] a3 = new Integer[size+2]; |
| 635 |
– |
if (size > 0) Arrays.fill(a1, 42); |
| 636 |
– |
Arrays.fill(a2, 42); |
| 637 |
– |
Arrays.fill(a3, 42); |
| 638 |
– |
Integer[] b1 = size == 0 ? null : (Integer[]) q.toArray(a1); |
| 639 |
– |
Integer[] b2 = (Integer[]) q.toArray(a2); |
| 640 |
– |
Integer[] b3 = (Integer[]) q.toArray(a3); |
| 641 |
– |
assertSame(a2, b2); |
| 642 |
– |
assertSame(a3, b3); |
| 643 |
– |
Iterator it = q.iterator(); |
| 675 |
|
for (int i = 0; i < size; i++) { |
| 676 |
< |
Integer x = (Integer) it.next(); |
| 677 |
< |
assertSame(b1[i], x); |
| 647 |
< |
assertEquals(b1[0] + i, (int) x); |
| 648 |
< |
assertSame(b2[i], x); |
| 649 |
< |
assertSame(b3[i], x); |
| 650 |
< |
} |
| 651 |
< |
assertNull(a3[size]); |
| 652 |
< |
assertEquals(42, (int) a3[size+1]); |
| 653 |
< |
if (size > 0) { |
| 654 |
< |
assertNotSame(a1, b1); |
| 655 |
< |
assertEquals(size, b1.length); |
| 656 |
< |
for (int i = 0; i < a1.length; i++) { |
| 657 |
< |
assertEquals(42, (int) a1[i]); |
| 658 |
< |
} |
| 659 |
< |
} |
| 660 |
< |
} |
| 661 |
< |
|
| 662 |
< |
/** |
| 663 |
< |
* toArray(a) contains all elements in FIFO order |
| 664 |
< |
*/ |
| 665 |
< |
public void testToArray2() { |
| 666 |
< |
ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
| 667 |
< |
for (int i = 0; i < SIZE; i++) { |
| 668 |
< |
checkToArray2(q); |
| 669 |
< |
q.add(i); |
| 670 |
< |
} |
| 671 |
< |
// Provoke wraparound |
| 672 |
< |
for (int i = 0; i < SIZE; i++) { |
| 673 |
< |
checkToArray2(q); |
| 674 |
< |
assertEquals(i, q.poll()); |
| 675 |
< |
checkToArray2(q); |
| 676 |
< |
q.add(SIZE+i); |
| 677 |
< |
} |
| 678 |
< |
for (int i = 0; i < SIZE; i++) { |
| 679 |
< |
checkToArray2(q); |
| 680 |
< |
assertEquals(SIZE+i, q.poll()); |
| 676 |
> |
checkToArray(q); |
| 677 |
> |
assertEquals((Integer) (added + i), q.poll()); |
| 678 |
|
} |
| 679 |
|
} |
| 680 |
|
|
| 681 |
|
/** |
| 682 |
|
* toArray(incompatible array type) throws ArrayStoreException |
| 683 |
|
*/ |
| 684 |
< |
public void testToArray1_BadArg() { |
| 684 |
> |
public void testToArray_incompatibleArrayType() { |
| 685 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
| 686 |
|
try { |
| 687 |
|
q.toArray(new String[10]); |
| 688 |
|
shouldThrow(); |
| 689 |
|
} catch (ArrayStoreException success) {} |
| 690 |
+ |
try { |
| 691 |
+ |
q.toArray(new String[0]); |
| 692 |
+ |
shouldThrow(); |
| 693 |
+ |
} catch (ArrayStoreException success) {} |
| 694 |
|
} |
| 695 |
|
|
| 696 |
|
/** |
| 789 |
|
final ArrayBlockingQueue q = new ArrayBlockingQueue(2); |
| 790 |
|
q.add(one); |
| 791 |
|
q.add(two); |
| 791 |
– |
ExecutorService executor = Executors.newFixedThreadPool(2); |
| 792 |
|
final CheckedBarrier threadsStarted = new CheckedBarrier(2); |
| 793 |
< |
executor.execute(new CheckedRunnable() { |
| 794 |
< |
public void realRun() throws InterruptedException { |
| 795 |
< |
assertFalse(q.offer(three)); |
| 796 |
< |
threadsStarted.await(); |
| 797 |
< |
assertTrue(q.offer(three, LONG_DELAY_MS, MILLISECONDS)); |
| 798 |
< |
assertEquals(0, q.remainingCapacity()); |
| 799 |
< |
}}); |
| 800 |
< |
|
| 801 |
< |
executor.execute(new CheckedRunnable() { |
| 802 |
< |
public void realRun() throws InterruptedException { |
| 803 |
< |
threadsStarted.await(); |
| 804 |
< |
assertEquals(0, q.remainingCapacity()); |
| 805 |
< |
assertSame(one, q.take()); |
| 806 |
< |
}}); |
| 807 |
< |
|
| 808 |
< |
joinPool(executor); |
| 793 |
> |
final ExecutorService executor = Executors.newFixedThreadPool(2); |
| 794 |
> |
try (PoolCleaner cleaner = cleaner(executor)) { |
| 795 |
> |
executor.execute(new CheckedRunnable() { |
| 796 |
> |
public void realRun() throws InterruptedException { |
| 797 |
> |
assertFalse(q.offer(three)); |
| 798 |
> |
threadsStarted.await(); |
| 799 |
> |
assertTrue(q.offer(three, LONG_DELAY_MS, MILLISECONDS)); |
| 800 |
> |
assertEquals(0, q.remainingCapacity()); |
| 801 |
> |
}}); |
| 802 |
> |
|
| 803 |
> |
executor.execute(new CheckedRunnable() { |
| 804 |
> |
public void realRun() throws InterruptedException { |
| 805 |
> |
threadsStarted.await(); |
| 806 |
> |
assertEquals(0, q.remainingCapacity()); |
| 807 |
> |
assertSame(one, q.take()); |
| 808 |
> |
}}); |
| 809 |
> |
} |
| 810 |
|
} |
| 811 |
|
|
| 812 |
|
/** |
| 815 |
|
public void testPollInExecutor() { |
| 816 |
|
final ArrayBlockingQueue q = new ArrayBlockingQueue(2); |
| 817 |
|
final CheckedBarrier threadsStarted = new CheckedBarrier(2); |
| 818 |
< |
ExecutorService executor = Executors.newFixedThreadPool(2); |
| 819 |
< |
executor.execute(new CheckedRunnable() { |
| 820 |
< |
public void realRun() throws InterruptedException { |
| 821 |
< |
assertNull(q.poll()); |
| 822 |
< |
threadsStarted.await(); |
| 823 |
< |
assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
| 824 |
< |
checkEmpty(q); |
| 825 |
< |
}}); |
| 826 |
< |
|
| 827 |
< |
executor.execute(new CheckedRunnable() { |
| 828 |
< |
public void realRun() throws InterruptedException { |
| 829 |
< |
threadsStarted.await(); |
| 830 |
< |
q.put(one); |
| 831 |
< |
}}); |
| 832 |
< |
|
| 833 |
< |
joinPool(executor); |
| 818 |
> |
final ExecutorService executor = Executors.newFixedThreadPool(2); |
| 819 |
> |
try (PoolCleaner cleaner = cleaner(executor)) { |
| 820 |
> |
executor.execute(new CheckedRunnable() { |
| 821 |
> |
public void realRun() throws InterruptedException { |
| 822 |
> |
assertNull(q.poll()); |
| 823 |
> |
threadsStarted.await(); |
| 824 |
> |
assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
| 825 |
> |
checkEmpty(q); |
| 826 |
> |
}}); |
| 827 |
> |
|
| 828 |
> |
executor.execute(new CheckedRunnable() { |
| 829 |
> |
public void realRun() throws InterruptedException { |
| 830 |
> |
threadsStarted.await(); |
| 831 |
> |
q.put(one); |
| 832 |
> |
}}); |
| 833 |
> |
} |
| 834 |
|
} |
| 835 |
|
|
| 836 |
|
/** |
| 882 |
|
final ArrayBlockingQueue q = populatedQueue(SIZE); |
| 883 |
|
Thread t = new Thread(new CheckedRunnable() { |
| 884 |
|
public void realRun() throws InterruptedException { |
| 885 |
< |
q.put(new Integer(SIZE+1)); |
| 885 |
> |
q.put(new Integer(SIZE + 1)); |
| 886 |
|
}}); |
| 887 |
|
|
| 888 |
|
t.start(); |
| 899 |
|
* drainTo(c, n) empties first min(n, size) elements of queue into c |
| 900 |
|
*/ |
| 901 |
|
public void testDrainToN() { |
| 902 |
< |
ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE*2); |
| 902 |
> |
ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE * 2); |
| 903 |
|
for (int i = 0; i < SIZE + 2; ++i) { |
| 904 |
|
for (int j = 0; j < SIZE; j++) |
| 905 |
|
assertTrue(q.offer(new Integer(j))); |
| 907 |
|
q.drainTo(l, i); |
| 908 |
|
int k = (i < SIZE) ? i : SIZE; |
| 909 |
|
assertEquals(k, l.size()); |
| 910 |
< |
assertEquals(SIZE-k, q.size()); |
| 910 |
> |
assertEquals(SIZE - k, q.size()); |
| 911 |
|
for (int j = 0; j < k; ++j) |
| 912 |
|
assertEquals(l.get(j), new Integer(j)); |
| 913 |
|
do {} while (q.poll() != null); |
