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* http://creativecommons.org/publicdomain/zero/1.0/ |
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*/ |
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import junit.framework.*; |
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import java.util.Arrays; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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|
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Collection; |
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import java.util.Deque; |
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import java.util.Iterator; |
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import java.util.NoSuchElementException; |
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import java.util.Queue; |
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import java.util.concurrent.Executors; |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.LinkedBlockingDeque; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import junit.framework.Test; |
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public class LinkedBlockingDequeTest extends JSR166TestCase { |
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|
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*/ |
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public void testRemoveFirstOccurrence() { |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
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for (int i = 1; i < SIZE; i+=2) { |
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for (int i = 1; i < SIZE; i += 2) { |
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assertTrue(q.removeFirstOccurrence(new Integer(i))); |
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} |
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for (int i = 0; i < SIZE; i+=2) { |
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for (int i = 0; i < SIZE; i += 2) { |
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assertTrue(q.removeFirstOccurrence(new Integer(i))); |
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assertFalse(q.removeFirstOccurrence(new Integer(i+1))); |
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} |
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*/ |
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public void testRemoveLastOccurrence() { |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
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for (int i = 1; i < SIZE; i+=2) { |
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for (int i = 1; i < SIZE; i += 2) { |
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assertTrue(q.removeLastOccurrence(new Integer(i))); |
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} |
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for (int i = 0; i < SIZE; i+=2) { |
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for (int i = 0; i < SIZE; i += 2) { |
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assertTrue(q.removeLastOccurrence(new Integer(i))); |
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assertFalse(q.removeLastOccurrence(new Integer(i+1))); |
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} |
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try { |
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LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
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for (int i = 0; i < SIZE; ++i) { |
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Integer I = new Integer(i); |
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q.push(I); |
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assertEquals(I, q.peek()); |
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Integer x = new Integer(i); |
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q.push(x); |
443 |
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assertEquals(x, q.peek()); |
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} |
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assertEquals(0, q.remainingCapacity()); |
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q.push(new Integer(SIZE)); |
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public void testPut() throws InterruptedException { |
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LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
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for (int i = 0; i < SIZE; ++i) { |
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< |
Integer I = new Integer(i); |
562 |
< |
q.put(I); |
563 |
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assertTrue(q.contains(I)); |
561 |
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Integer x = new Integer(i); |
562 |
> |
q.put(x); |
563 |
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assertTrue(q.contains(x)); |
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} |
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assertEquals(0, q.remainingCapacity()); |
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} |
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public void testPutFirst() throws InterruptedException { |
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LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
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for (int i = 0; i < SIZE; ++i) { |
793 |
< |
Integer I = new Integer(i); |
794 |
< |
q.putFirst(I); |
795 |
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assertTrue(q.contains(I)); |
793 |
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Integer x = new Integer(i); |
794 |
> |
q.putFirst(x); |
795 |
> |
assertTrue(q.contains(x)); |
796 |
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} |
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assertEquals(0, q.remainingCapacity()); |
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} |
1067 |
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|
1068 |
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pleaseInterrupt.countDown(); |
1069 |
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try { |
1070 |
< |
q.pollFirst(SMALL_DELAY_MS, MILLISECONDS); |
1070 |
> |
q.pollFirst(LONG_DELAY_MS, MILLISECONDS); |
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shouldThrow(); |
1072 |
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} catch (InterruptedException success) {} |
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assertFalse(Thread.interrupted()); |
1137 |
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public void testPutLast() throws InterruptedException { |
1138 |
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LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
1139 |
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for (int i = 0; i < SIZE; ++i) { |
1140 |
< |
Integer I = new Integer(i); |
1141 |
< |
q.putLast(I); |
1142 |
< |
assertTrue(q.contains(I)); |
1140 |
> |
Integer x = new Integer(i); |
1141 |
> |
q.putLast(x); |
1142 |
> |
assertTrue(q.contains(x)); |
1143 |
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} |
1144 |
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assertEquals(0, q.remainingCapacity()); |
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} |
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assertTrue(q.removeAll(p)); |
1474 |
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assertEquals(SIZE-i, q.size()); |
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for (int j = 0; j < i; ++j) { |
1476 |
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Integer I = (Integer)(p.remove()); |
1477 |
< |
assertFalse(q.contains(I)); |
1476 |
> |
Integer x = (Integer)(p.remove()); |
1477 |
> |
assertFalse(q.contains(x)); |
1478 |
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} |
1479 |
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} |
1480 |
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} |
1518 |
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public void testIterator() throws InterruptedException { |
1519 |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
1520 |
|
Iterator it = q.iterator(); |
1521 |
< |
while (it.hasNext()) { |
1521 |
> |
int i; |
1522 |
> |
for (i = 0; it.hasNext(); i++) |
1523 |
> |
assertTrue(q.contains(it.next())); |
1524 |
> |
assertEquals(i, SIZE); |
1525 |
> |
assertIteratorExhausted(it); |
1526 |
> |
|
1527 |
> |
it = q.iterator(); |
1528 |
> |
for (i = 0; it.hasNext(); i++) |
1529 |
|
assertEquals(it.next(), q.take()); |
1530 |
< |
} |
1530 |
> |
assertEquals(i, SIZE); |
1531 |
> |
assertIteratorExhausted(it); |
1532 |
> |
} |
1533 |
> |
|
1534 |
> |
/** |
1535 |
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* iterator of empty collection has no elements |
1536 |
> |
*/ |
1537 |
> |
public void testEmptyIterator() { |
1538 |
> |
Deque c = new LinkedBlockingDeque(); |
1539 |
> |
assertIteratorExhausted(c.iterator()); |
1540 |
> |
assertIteratorExhausted(c.descendingIterator()); |
1541 |
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} |
1542 |
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|
1543 |
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/** |
1720 |
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Queue x = populatedDeque(SIZE); |
1721 |
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Queue y = serialClone(x); |
1722 |
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|
1723 |
< |
assertTrue(x != y); |
1723 |
> |
assertNotSame(y, x); |
1724 |
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assertEquals(x.size(), y.size()); |
1725 |
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assertEquals(x.toString(), y.toString()); |
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assertTrue(Arrays.equals(x.toArray(), y.toArray())); |
1790 |
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assertEquals(SIZE-k, q.size()); |
1791 |
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for (int j = 0; j < k; ++j) |
1792 |
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assertEquals(l.get(j), new Integer(j)); |
1793 |
< |
while (q.poll() != null) ; |
1793 |
> |
do {} while (q.poll() != null); |
1794 |
> |
} |
1795 |
> |
} |
1796 |
> |
|
1797 |
> |
/** |
1798 |
> |
* remove(null), contains(null) always return false |
1799 |
> |
*/ |
1800 |
> |
public void testNeverContainsNull() { |
1801 |
> |
Deque<?>[] qs = { |
1802 |
> |
new LinkedBlockingDeque<Object>(), |
1803 |
> |
populatedDeque(2), |
1804 |
> |
}; |
1805 |
> |
|
1806 |
> |
for (Deque<?> q : qs) { |
1807 |
> |
assertFalse(q.contains(null)); |
1808 |
> |
assertFalse(q.remove(null)); |
1809 |
> |
assertFalse(q.removeFirstOccurrence(null)); |
1810 |
> |
assertFalse(q.removeLastOccurrence(null)); |
1811 |
|
} |
1812 |
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} |
1813 |
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