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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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import junit.framework.*; |
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import java.util.*; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import java.util.concurrent.*; |
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public class DelayQueueTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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junit.textui.TestRunner.run (suite()); |
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junit.textui.TestRunner.run(suite()); |
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} |
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|
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public static Test suite() { |
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return new TestSuite(DelayQueueTest.class); |
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return new TestSuite(DelayQueueTest.class); |
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} |
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private static final int NOCAP = Integer.MAX_VALUE; |
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|
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/** |
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* A delayed implementation for testing. |
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* Most tests use Pseudodelays, where delays are all elapsed |
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* Most tests use Pseudodelays, where delays are all elapsed |
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* (so, no blocking solely for delays) but are still ordered |
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*/ |
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static class PDelay implements Delayed { |
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PDelay(int i) { pseudodelay = Integer.MIN_VALUE + i; } |
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public int compareTo(PDelay y) { |
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int i = pseudodelay; |
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int j = ((PDelay)y).pseudodelay; |
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int j = y.pseudodelay; |
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if (i < j) return -1; |
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if (i > j) return 1; |
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return 0; |
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} |
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|
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public int compareTo(Delayed y) { |
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int i = pseudodelay; |
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int j = ((PDelay)y).pseudodelay; |
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if (i < j) return -1; |
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if (i > j) return 1; |
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return 0; |
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return compareTo((PDelay)y); |
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} |
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|
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public boolean equals(Object other) { |
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return ((PDelay)other).pseudodelay == pseudodelay; |
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return equals((PDelay)other); |
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} |
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public boolean equals(PDelay other) { |
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return ((PDelay)other).pseudodelay == pseudodelay; |
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return other.pseudodelay == pseudodelay; |
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} |
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} |
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public int compareTo(NanoDelay y) { |
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long i = trigger; |
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long j = ((NanoDelay)y).trigger; |
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long j = y.trigger; |
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if (i < j) return -1; |
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if (i > j) return 1; |
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return 0; |
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} |
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|
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public int compareTo(Delayed y) { |
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long i = trigger; |
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long j = ((NanoDelay)y).trigger; |
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if (i < j) return -1; |
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if (i > j) return 1; |
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return 0; |
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return compareTo((NanoDelay)y); |
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} |
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public boolean equals(Object other) { |
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return ((NanoDelay)other).trigger == trigger; |
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return equals((NanoDelay)other); |
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} |
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public boolean equals(NanoDelay other) { |
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return ((NanoDelay)other).trigger == trigger; |
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return other.trigger == trigger; |
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} |
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public long getDelay(TimeUnit unit) { |
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* Create a queue of given size containing consecutive |
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* PDelays 0 ... n. |
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*/ |
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private DelayQueue populatedQueue(int n) { |
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DelayQueue q = new DelayQueue(); |
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private DelayQueue<PDelay> populatedQueue(int n) { |
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DelayQueue<PDelay> q = new DelayQueue<PDelay>(); |
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assertTrue(q.isEmpty()); |
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for(int i = n-1; i >= 0; i-=2) |
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assertTrue(q.offer(new PDelay(i))); |
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for(int i = (n & 1); i < n; i+=2) |
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assertTrue(q.offer(new PDelay(i))); |
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for (int i = n-1; i >= 0; i-=2) |
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assertTrue(q.offer(new PDelay(i))); |
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for (int i = (n & 1); i < n; i+=2) |
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assertTrue(q.offer(new PDelay(i))); |
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assertFalse(q.isEmpty()); |
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assertEquals(NOCAP, q.remainingCapacity()); |
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assertEquals(n, q.size()); |
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assertEquals(n, q.size()); |
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return q; |
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} |
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try { |
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DelayQueue q = new DelayQueue(null); |
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shouldThrow(); |
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} |
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catch (NullPointerException success) {} |
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} catch (NullPointerException success) {} |
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} |
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/** |
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PDelay[] ints = new PDelay[SIZE]; |
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DelayQueue q = new DelayQueue(Arrays.asList(ints)); |
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shouldThrow(); |
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} |
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catch (NullPointerException success) {} |
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} catch (NullPointerException success) {} |
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} |
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/** |
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ints[i] = new PDelay(i); |
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DelayQueue q = new DelayQueue(Arrays.asList(ints)); |
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shouldThrow(); |
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} |
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catch (NullPointerException success) {} |
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} catch (NullPointerException success) {} |
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} |
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|
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/** |
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* Queue contains all elements of collection used to initialize |
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*/ |
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public void testConstructor6() { |
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try { |
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PDelay[] ints = new PDelay[SIZE]; |
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for (int i = 0; i < SIZE; ++i) |
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ints[i] = new PDelay(i); |
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DelayQueue q = new DelayQueue(Arrays.asList(ints)); |
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for (int i = 0; i < SIZE; ++i) |
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assertEquals(ints[i], q.poll()); |
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} |
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finally {} |
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PDelay[] ints = new PDelay[SIZE]; |
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for (int i = 0; i < SIZE; ++i) |
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ints[i] = new PDelay(i); |
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DelayQueue q = new DelayQueue(Arrays.asList(ints)); |
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for (int i = 0; i < SIZE; ++i) |
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assertEquals(ints[i], q.poll()); |
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} |
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/** |
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} |
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/** |
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* remainingCapacity does not change when elementa added or removed, |
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* remainingCapacity does not change when elements added or removed, |
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* but size does |
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*/ |
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public void testRemainingCapacity() { |
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* offer(null) throws NPE |
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*/ |
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public void testOfferNull() { |
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try { |
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try { |
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DelayQueue q = new DelayQueue(); |
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q.offer(null); |
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shouldThrow(); |
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} catch (NullPointerException success) { } |
219 |
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} catch (NullPointerException success) {} |
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} |
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|
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/** |
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* add(null) throws NPE |
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*/ |
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public void testAddNull() { |
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try { |
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try { |
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DelayQueue q = new DelayQueue(); |
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q.add(null); |
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shouldThrow(); |
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} catch (NullPointerException success) { } |
230 |
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} catch (NullPointerException success) {} |
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} |
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|
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/** |
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DelayQueue q = new DelayQueue(); |
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q.addAll(null); |
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shouldThrow(); |
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} |
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catch (NullPointerException success) {} |
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} catch (NullPointerException success) {} |
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} |
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|
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DelayQueue q = populatedQueue(SIZE); |
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q.addAll(q); |
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shouldThrow(); |
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} |
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catch (IllegalArgumentException success) {} |
273 |
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} catch (IllegalArgumentException success) {} |
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} |
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|
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/** |
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PDelay[] ints = new PDelay[SIZE]; |
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q.addAll(Arrays.asList(ints)); |
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shouldThrow(); |
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} |
301 |
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catch (NullPointerException success) {} |
285 |
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} catch (NullPointerException success) {} |
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} |
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|
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/** |
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* addAll of a collection with any null elements throws NPE after |
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* possibly adding some elements |
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ints[i] = new PDelay(i); |
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q.addAll(Arrays.asList(ints)); |
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shouldThrow(); |
300 |
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} |
316 |
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catch (NullPointerException success) {} |
300 |
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} catch (NullPointerException success) {} |
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} |
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|
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/** |
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* Queue contains all elements of successful addAll |
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*/ |
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public void testAddAll5() { |
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try { |
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PDelay[] empty = new PDelay[0]; |
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PDelay[] ints = new PDelay[SIZE]; |
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for (int i = SIZE-1; i >= 0; --i) |
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ints[i] = new PDelay(i); |
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DelayQueue q = new DelayQueue(); |
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assertFalse(q.addAll(Arrays.asList(empty))); |
314 |
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assertTrue(q.addAll(Arrays.asList(ints))); |
315 |
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for (int i = 0; i < SIZE; ++i) |
332 |
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assertEquals(ints[i], q.poll()); |
333 |
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} |
334 |
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finally {} |
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PDelay[] empty = new PDelay[0]; |
308 |
> |
PDelay[] ints = new PDelay[SIZE]; |
309 |
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for (int i = SIZE-1; i >= 0; --i) |
310 |
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ints[i] = new PDelay(i); |
311 |
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DelayQueue q = new DelayQueue(); |
312 |
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assertFalse(q.addAll(Arrays.asList(empty))); |
313 |
> |
assertTrue(q.addAll(Arrays.asList(ints))); |
314 |
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for (int i = 0; i < SIZE; ++i) |
315 |
> |
assertEquals(ints[i], q.poll()); |
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} |
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|
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/** |
319 |
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* put(null) throws NPE |
320 |
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*/ |
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public void testPutNull() { |
322 |
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try { |
322 |
> |
try { |
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DelayQueue q = new DelayQueue(); |
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q.put(null); |
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shouldThrow(); |
326 |
< |
} |
346 |
< |
catch (NullPointerException success){ |
347 |
< |
} |
326 |
> |
} catch (NullPointerException success) {} |
327 |
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} |
328 |
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|
329 |
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/** |
330 |
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* all elements successfully put are contained |
331 |
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*/ |
332 |
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public void testPut() { |
333 |
< |
try { |
334 |
< |
DelayQueue q = new DelayQueue(); |
335 |
< |
for (int i = 0; i < SIZE; ++i) { |
336 |
< |
PDelay I = new PDelay(i); |
337 |
< |
q.put(I); |
359 |
< |
assertTrue(q.contains(I)); |
360 |
< |
} |
361 |
< |
assertEquals(SIZE, q.size()); |
333 |
> |
DelayQueue q = new DelayQueue(); |
334 |
> |
for (int i = 0; i < SIZE; ++i) { |
335 |
> |
PDelay I = new PDelay(i); |
336 |
> |
q.put(I); |
337 |
> |
assertTrue(q.contains(I)); |
338 |
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} |
339 |
< |
finally { |
364 |
< |
} |
339 |
> |
assertEquals(SIZE, q.size()); |
340 |
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} |
341 |
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|
342 |
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/** |
343 |
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* put doesn't block waiting for take |
344 |
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*/ |
345 |
< |
public void testPutWithTake() { |
345 |
> |
public void testPutWithTake() throws InterruptedException { |
346 |
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final DelayQueue q = new DelayQueue(); |
347 |
< |
Thread t = new Thread(new Runnable() { |
348 |
< |
public void run() { |
349 |
< |
int added = 0; |
350 |
< |
try { |
351 |
< |
q.put(new PDelay(0)); |
352 |
< |
++added; |
353 |
< |
q.put(new PDelay(0)); |
354 |
< |
++added; |
355 |
< |
q.put(new PDelay(0)); |
356 |
< |
++added; |
357 |
< |
q.put(new PDelay(0)); |
358 |
< |
++added; |
359 |
< |
threadAssertTrue(added == 4); |
385 |
< |
} finally { |
386 |
< |
} |
387 |
< |
} |
388 |
< |
}); |
389 |
< |
try { |
390 |
< |
t.start(); |
391 |
< |
Thread.sleep(SHORT_DELAY_MS); |
392 |
< |
q.take(); |
393 |
< |
t.interrupt(); |
394 |
< |
t.join(); |
395 |
< |
} catch (Exception e){ |
396 |
< |
unexpectedException(); |
397 |
< |
} |
347 |
> |
Thread t = new Thread(new CheckedRunnable() { |
348 |
> |
public void realRun() { |
349 |
> |
q.put(new PDelay(0)); |
350 |
> |
q.put(new PDelay(0)); |
351 |
> |
q.put(new PDelay(0)); |
352 |
> |
q.put(new PDelay(0)); |
353 |
> |
}}); |
354 |
> |
|
355 |
> |
t.start(); |
356 |
> |
Thread.sleep(SHORT_DELAY_MS); |
357 |
> |
q.take(); |
358 |
> |
t.interrupt(); |
359 |
> |
t.join(); |
360 |
|
} |
361 |
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|
362 |
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/** |
363 |
|
* timed offer does not time out |
364 |
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*/ |
365 |
< |
public void testTimedOffer() { |
365 |
> |
public void testTimedOffer() throws InterruptedException { |
366 |
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final DelayQueue q = new DelayQueue(); |
367 |
< |
Thread t = new Thread(new Runnable() { |
368 |
< |
public void run() { |
369 |
< |
try { |
370 |
< |
q.put(new PDelay(0)); |
371 |
< |
q.put(new PDelay(0)); |
372 |
< |
threadAssertTrue(q.offer(new PDelay(0), SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
373 |
< |
threadAssertTrue(q.offer(new PDelay(0), LONG_DELAY_MS, TimeUnit.MILLISECONDS)); |
412 |
< |
} finally { } |
413 |
< |
} |
414 |
< |
}); |
367 |
> |
Thread t = new Thread(new CheckedRunnable() { |
368 |
> |
public void realRun() throws InterruptedException { |
369 |
> |
q.put(new PDelay(0)); |
370 |
> |
q.put(new PDelay(0)); |
371 |
> |
assertTrue(q.offer(new PDelay(0), SHORT_DELAY_MS, MILLISECONDS)); |
372 |
> |
assertTrue(q.offer(new PDelay(0), LONG_DELAY_MS, MILLISECONDS)); |
373 |
> |
}}); |
374 |
|
|
375 |
< |
try { |
376 |
< |
t.start(); |
377 |
< |
Thread.sleep(SMALL_DELAY_MS); |
378 |
< |
t.interrupt(); |
420 |
< |
t.join(); |
421 |
< |
} catch (Exception e){ |
422 |
< |
unexpectedException(); |
423 |
< |
} |
375 |
> |
t.start(); |
376 |
> |
Thread.sleep(SMALL_DELAY_MS); |
377 |
> |
t.interrupt(); |
378 |
> |
t.join(); |
379 |
|
} |
380 |
|
|
381 |
|
/** |
382 |
|
* take retrieves elements in priority order |
383 |
|
*/ |
384 |
< |
public void testTake() { |
385 |
< |
try { |
386 |
< |
DelayQueue q = populatedQueue(SIZE); |
387 |
< |
for (int i = 0; i < SIZE; ++i) { |
388 |
< |
assertEquals(new PDelay(i), ((PDelay)q.take())); |
434 |
< |
} |
435 |
< |
} catch (InterruptedException e){ |
436 |
< |
unexpectedException(); |
437 |
< |
} |
384 |
> |
public void testTake() throws InterruptedException { |
385 |
> |
DelayQueue q = populatedQueue(SIZE); |
386 |
> |
for (int i = 0; i < SIZE; ++i) { |
387 |
> |
assertEquals(new PDelay(i), ((PDelay)q.take())); |
388 |
> |
} |
389 |
|
} |
390 |
|
|
391 |
|
/** |
392 |
|
* take blocks interruptibly when empty |
393 |
|
*/ |
394 |
< |
public void testTakeFromEmpty() { |
395 |
< |
final DelayQueue q = new DelayQueue(); |
396 |
< |
Thread t = new Thread(new Runnable() { |
397 |
< |
public void run() { |
398 |
< |
try { |
399 |
< |
q.take(); |
400 |
< |
threadShouldThrow(); |
401 |
< |
} catch (InterruptedException success){ } |
402 |
< |
} |
403 |
< |
}); |
404 |
< |
try { |
405 |
< |
t.start(); |
406 |
< |
Thread.sleep(SHORT_DELAY_MS); |
407 |
< |
t.interrupt(); |
408 |
< |
t.join(); |
409 |
< |
} catch (Exception e){ |
410 |
< |
unexpectedException(); |
411 |
< |
} |
394 |
> |
public void testTakeFromEmptyBlocksInterruptibly() |
395 |
> |
throws InterruptedException { |
396 |
> |
final BlockingQueue q = new DelayQueue(); |
397 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
398 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
399 |
> |
public void realRun() { |
400 |
> |
long t0 = System.nanoTime(); |
401 |
> |
threadStarted.countDown(); |
402 |
> |
try { |
403 |
> |
q.take(); |
404 |
> |
shouldThrow(); |
405 |
> |
} catch (InterruptedException success) {} |
406 |
> |
assertTrue(millisElapsedSince(t0) >= SHORT_DELAY_MS); |
407 |
> |
}}); |
408 |
> |
threadStarted.await(); |
409 |
> |
Thread.sleep(SHORT_DELAY_MS); |
410 |
> |
assertTrue(t.isAlive()); |
411 |
> |
t.interrupt(); |
412 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
413 |
> |
assertFalse(t.isAlive()); |
414 |
|
} |
415 |
|
|
416 |
|
/** |
417 |
|
* Take removes existing elements until empty, then blocks interruptibly |
418 |
|
*/ |
419 |
< |
public void testBlockingTake() { |
420 |
< |
Thread t = new Thread(new Runnable() { |
421 |
< |
public void run() { |
422 |
< |
try { |
423 |
< |
DelayQueue q = populatedQueue(SIZE); |
424 |
< |
for (int i = 0; i < SIZE; ++i) { |
425 |
< |
threadAssertEquals(new PDelay(i), ((PDelay)q.take())); |
426 |
< |
} |
427 |
< |
q.take(); |
428 |
< |
threadShouldThrow(); |
429 |
< |
} catch (InterruptedException success){ |
430 |
< |
} |
431 |
< |
}}); |
419 |
> |
public void testBlockingTake() throws InterruptedException { |
420 |
> |
final DelayQueue q = populatedQueue(SIZE); |
421 |
> |
Thread t = new Thread(new CheckedRunnable() { |
422 |
> |
public void realRun() throws InterruptedException { |
423 |
> |
for (int i = 0; i < SIZE; ++i) { |
424 |
> |
assertEquals(new PDelay(i), ((PDelay)q.take())); |
425 |
> |
} |
426 |
> |
try { |
427 |
> |
q.take(); |
428 |
> |
shouldThrow(); |
429 |
> |
} catch (InterruptedException success) {} |
430 |
> |
}}); |
431 |
> |
|
432 |
|
t.start(); |
433 |
< |
try { |
434 |
< |
Thread.sleep(SHORT_DELAY_MS); |
435 |
< |
t.interrupt(); |
483 |
< |
t.join(); |
484 |
< |
} |
485 |
< |
catch (InterruptedException ie) { |
486 |
< |
unexpectedException(); |
487 |
< |
} |
433 |
> |
Thread.sleep(SHORT_DELAY_MS); |
434 |
> |
t.interrupt(); |
435 |
> |
t.join(); |
436 |
|
} |
437 |
|
|
438 |
|
|
444 |
|
for (int i = 0; i < SIZE; ++i) { |
445 |
|
assertEquals(new PDelay(i), ((PDelay)q.poll())); |
446 |
|
} |
447 |
< |
assertNull(q.poll()); |
447 |
> |
assertNull(q.poll()); |
448 |
|
} |
449 |
|
|
450 |
|
/** |
451 |
< |
* timed pool with zero timeout succeeds when non-empty, else times out |
451 |
> |
* timed poll with zero timeout succeeds when non-empty, else times out |
452 |
|
*/ |
453 |
< |
public void testTimedPoll0() { |
454 |
< |
try { |
455 |
< |
DelayQueue q = populatedQueue(SIZE); |
456 |
< |
for (int i = 0; i < SIZE; ++i) { |
457 |
< |
assertEquals(new PDelay(i), ((PDelay)q.poll(0, TimeUnit.MILLISECONDS))); |
458 |
< |
} |
511 |
< |
assertNull(q.poll(0, TimeUnit.MILLISECONDS)); |
512 |
< |
} catch (InterruptedException e){ |
513 |
< |
unexpectedException(); |
514 |
< |
} |
453 |
> |
public void testTimedPoll0() throws InterruptedException { |
454 |
> |
DelayQueue q = populatedQueue(SIZE); |
455 |
> |
for (int i = 0; i < SIZE; ++i) { |
456 |
> |
assertEquals(new PDelay(i), ((PDelay)q.poll(0, MILLISECONDS))); |
457 |
> |
} |
458 |
> |
assertNull(q.poll(0, MILLISECONDS)); |
459 |
|
} |
460 |
|
|
461 |
|
/** |
462 |
< |
* timed pool with nonzero timeout succeeds when non-empty, else times out |
462 |
> |
* timed poll with nonzero timeout succeeds when non-empty, else times out |
463 |
|
*/ |
464 |
< |
public void testTimedPoll() { |
465 |
< |
try { |
466 |
< |
DelayQueue q = populatedQueue(SIZE); |
467 |
< |
for (int i = 0; i < SIZE; ++i) { |
468 |
< |
assertEquals(new PDelay(i), ((PDelay)q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS))); |
469 |
< |
} |
526 |
< |
assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
527 |
< |
} catch (InterruptedException e){ |
528 |
< |
unexpectedException(); |
529 |
< |
} |
464 |
> |
public void testTimedPoll() throws InterruptedException { |
465 |
> |
DelayQueue q = populatedQueue(SIZE); |
466 |
> |
for (int i = 0; i < SIZE; ++i) { |
467 |
> |
assertEquals(new PDelay(i), ((PDelay)q.poll(SHORT_DELAY_MS, MILLISECONDS))); |
468 |
> |
} |
469 |
> |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
470 |
|
} |
471 |
|
|
472 |
|
/** |
473 |
|
* Interrupted timed poll throws InterruptedException instead of |
474 |
|
* returning timeout status |
475 |
|
*/ |
476 |
< |
public void testInterruptedTimedPoll() { |
477 |
< |
Thread t = new Thread(new Runnable() { |
478 |
< |
public void run() { |
479 |
< |
try { |
480 |
< |
DelayQueue q = populatedQueue(SIZE); |
481 |
< |
for (int i = 0; i < SIZE; ++i) { |
482 |
< |
threadAssertEquals(new PDelay(i), ((PDelay)q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS))); |
483 |
< |
} |
484 |
< |
threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
485 |
< |
} catch (InterruptedException success){ |
486 |
< |
} |
487 |
< |
}}); |
476 |
> |
public void testInterruptedTimedPoll() throws InterruptedException { |
477 |
> |
Thread t = new Thread(new CheckedRunnable() { |
478 |
> |
public void realRun() throws InterruptedException { |
479 |
> |
DelayQueue q = populatedQueue(SIZE); |
480 |
> |
for (int i = 0; i < SIZE; ++i) { |
481 |
> |
assertEquals(new PDelay(i), ((PDelay)q.poll(SHORT_DELAY_MS, MILLISECONDS))); |
482 |
> |
} |
483 |
> |
try { |
484 |
> |
q.poll(SMALL_DELAY_MS, MILLISECONDS); |
485 |
> |
shouldThrow(); |
486 |
> |
} catch (InterruptedException success) {} |
487 |
> |
}}); |
488 |
> |
|
489 |
|
t.start(); |
490 |
< |
try { |
491 |
< |
Thread.sleep(SHORT_DELAY_MS); |
492 |
< |
t.interrupt(); |
552 |
< |
t.join(); |
553 |
< |
} |
554 |
< |
catch (InterruptedException ie) { |
555 |
< |
unexpectedException(); |
556 |
< |
} |
490 |
> |
Thread.sleep(SHORT_DELAY_MS); |
491 |
> |
t.interrupt(); |
492 |
> |
t.join(); |
493 |
|
} |
494 |
|
|
495 |
|
/** |
496 |
< |
* timed poll before a delayed offer fails; after offer succeeds; |
497 |
< |
* on interruption throws |
496 |
> |
* timed poll before a delayed offer fails; after offer succeeds; |
497 |
> |
* on interruption throws |
498 |
|
*/ |
499 |
< |
public void testTimedPollWithOffer() { |
499 |
> |
public void testTimedPollWithOffer() throws InterruptedException { |
500 |
|
final DelayQueue q = new DelayQueue(); |
501 |
< |
Thread t = new Thread(new Runnable() { |
502 |
< |
public void run() { |
503 |
< |
try { |
504 |
< |
threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
505 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
506 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
507 |
< |
threadFail("Should block"); |
508 |
< |
} catch (InterruptedException success) { } |
509 |
< |
} |
510 |
< |
}); |
511 |
< |
try { |
512 |
< |
t.start(); |
513 |
< |
Thread.sleep(SMALL_DELAY_MS); |
514 |
< |
assertTrue(q.offer(new PDelay(0), SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
515 |
< |
t.interrupt(); |
516 |
< |
t.join(); |
517 |
< |
} catch (Exception e){ |
518 |
< |
unexpectedException(); |
519 |
< |
} |
501 |
> |
final PDelay pdelay = new PDelay(0); |
502 |
> |
final CheckedBarrier barrier = new CheckedBarrier(2); |
503 |
> |
Thread t = new Thread(new CheckedRunnable() { |
504 |
> |
public void realRun() throws InterruptedException { |
505 |
> |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
506 |
> |
|
507 |
> |
barrier.await(); |
508 |
> |
assertSame(pdelay, q.poll(MEDIUM_DELAY_MS, MILLISECONDS)); |
509 |
> |
|
510 |
> |
Thread.currentThread().interrupt(); |
511 |
> |
try { |
512 |
> |
q.poll(SHORT_DELAY_MS, MILLISECONDS); |
513 |
> |
shouldThrow(); |
514 |
> |
} catch (InterruptedException success) {} |
515 |
> |
|
516 |
> |
barrier.await(); |
517 |
> |
try { |
518 |
> |
q.poll(MEDIUM_DELAY_MS, MILLISECONDS); |
519 |
> |
shouldThrow(); |
520 |
> |
} catch (InterruptedException success) {} |
521 |
> |
}}); |
522 |
> |
|
523 |
> |
t.start(); |
524 |
> |
barrier.await(); |
525 |
> |
assertTrue(q.offer(pdelay, SHORT_DELAY_MS, MILLISECONDS)); |
526 |
> |
barrier.await(); |
527 |
> |
sleep(SHORT_DELAY_MS); |
528 |
> |
t.interrupt(); |
529 |
> |
t.join(); |
530 |
|
} |
531 |
|
|
532 |
|
|
537 |
|
DelayQueue q = populatedQueue(SIZE); |
538 |
|
for (int i = 0; i < SIZE; ++i) { |
539 |
|
assertEquals(new PDelay(i), ((PDelay)q.peek())); |
540 |
< |
q.poll(); |
540 |
> |
assertEquals(new PDelay(i), ((PDelay)q.poll())); |
541 |
|
if (q.isEmpty()) |
542 |
|
assertNull(q.peek()); |
543 |
|
else |
544 |
< |
assertTrue(i != ((PDelay)q.peek()).intValue()); |
544 |
> |
assertFalse(new PDelay(i).equals(q.peek())); |
545 |
|
} |
546 |
< |
assertNull(q.peek()); |
546 |
> |
assertNull(q.peek()); |
547 |
|
} |
548 |
|
|
549 |
|
/** |
558 |
|
try { |
559 |
|
q.element(); |
560 |
|
shouldThrow(); |
561 |
< |
} |
616 |
< |
catch (NoSuchElementException success) {} |
561 |
> |
} catch (NoSuchElementException success) {} |
562 |
|
} |
563 |
|
|
564 |
|
/** |
572 |
|
try { |
573 |
|
q.remove(); |
574 |
|
shouldThrow(); |
575 |
< |
} catch (NoSuchElementException success){ |
631 |
< |
} |
575 |
> |
} catch (NoSuchElementException success) {} |
576 |
|
} |
577 |
|
|
578 |
|
/** |
671 |
|
/** |
672 |
|
* toArray contains all elements |
673 |
|
*/ |
674 |
< |
public void testToArray() { |
674 |
> |
public void testToArray() throws InterruptedException { |
675 |
|
DelayQueue q = populatedQueue(SIZE); |
676 |
< |
Object[] o = q.toArray(); |
676 |
> |
Object[] o = q.toArray(); |
677 |
|
Arrays.sort(o); |
678 |
< |
try { |
679 |
< |
for(int i = 0; i < o.length; i++) |
736 |
< |
assertEquals(o[i], q.take()); |
737 |
< |
} catch (InterruptedException e){ |
738 |
< |
unexpectedException(); |
739 |
< |
} |
678 |
> |
for (int i = 0; i < o.length; i++) |
679 |
> |
assertSame(o[i], q.take()); |
680 |
|
} |
681 |
|
|
682 |
|
/** |
683 |
|
* toArray(a) contains all elements |
684 |
|
*/ |
685 |
|
public void testToArray2() { |
686 |
< |
DelayQueue q = populatedQueue(SIZE); |
687 |
< |
PDelay[] ints = new PDelay[SIZE]; |
688 |
< |
ints = (PDelay[])q.toArray(ints); |
686 |
> |
DelayQueue<PDelay> q = populatedQueue(SIZE); |
687 |
> |
PDelay[] ints = new PDelay[SIZE]; |
688 |
> |
PDelay[] array = q.toArray(ints); |
689 |
> |
assertSame(ints, array); |
690 |
|
Arrays.sort(ints); |
691 |
< |
try { |
692 |
< |
for(int i = 0; i < ints.length; i++) |
752 |
< |
assertEquals(ints[i], q.take()); |
753 |
< |
} catch (InterruptedException e){ |
754 |
< |
unexpectedException(); |
755 |
< |
} |
691 |
> |
for (int i = 0; i < ints.length; i++) |
692 |
> |
assertSame(ints[i], q.remove()); |
693 |
|
} |
694 |
|
|
695 |
|
|
696 |
|
/** |
697 |
< |
* toArray(null) throws NPE |
697 |
> |
* toArray(null) throws NullPointerException |
698 |
|
*/ |
699 |
< |
public void testToArray_BadArg() { |
700 |
< |
try { |
701 |
< |
DelayQueue q = populatedQueue(SIZE); |
702 |
< |
Object o[] = q.toArray(null); |
703 |
< |
shouldThrow(); |
704 |
< |
} catch(NullPointerException success){} |
699 |
> |
public void testToArray_NullArg() { |
700 |
> |
DelayQueue q = populatedQueue(SIZE); |
701 |
> |
try { |
702 |
> |
q.toArray(null); |
703 |
> |
shouldThrow(); |
704 |
> |
} catch (NullPointerException success) {} |
705 |
|
} |
706 |
|
|
707 |
|
/** |
708 |
< |
* toArray with incompatible array type throws CCE |
708 |
> |
* toArray(incompatible array type) throws ArrayStoreException |
709 |
|
*/ |
710 |
|
public void testToArray1_BadArg() { |
711 |
< |
try { |
712 |
< |
DelayQueue q = populatedQueue(SIZE); |
713 |
< |
Object o[] = q.toArray(new String[10] ); |
714 |
< |
shouldThrow(); |
715 |
< |
} catch(ArrayStoreException success){} |
711 |
> |
DelayQueue q = populatedQueue(SIZE); |
712 |
> |
try { |
713 |
> |
q.toArray(new String[10]); |
714 |
> |
shouldThrow(); |
715 |
> |
} catch (ArrayStoreException success) {} |
716 |
|
} |
717 |
|
|
718 |
|
/** |
721 |
|
public void testIterator() { |
722 |
|
DelayQueue q = populatedQueue(SIZE); |
723 |
|
int i = 0; |
724 |
< |
Iterator it = q.iterator(); |
725 |
< |
while(it.hasNext()) { |
724 |
> |
Iterator it = q.iterator(); |
725 |
> |
while (it.hasNext()) { |
726 |
|
assertTrue(q.contains(it.next())); |
727 |
|
++i; |
728 |
|
} |
732 |
|
/** |
733 |
|
* iterator.remove removes current element |
734 |
|
*/ |
735 |
< |
public void testIteratorRemove () { |
735 |
> |
public void testIteratorRemove() { |
736 |
|
final DelayQueue q = new DelayQueue(); |
737 |
|
q.add(new PDelay(2)); |
738 |
|
q.add(new PDelay(1)); |
764 |
|
public void testPollInExecutor() { |
765 |
|
final DelayQueue q = new DelayQueue(); |
766 |
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
767 |
< |
executor.execute(new Runnable() { |
768 |
< |
public void run() { |
769 |
< |
threadAssertNull(q.poll()); |
770 |
< |
try { |
771 |
< |
threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS)); |
772 |
< |
threadAssertTrue(q.isEmpty()); |
773 |
< |
} |
774 |
< |
catch (InterruptedException e) { |
775 |
< |
threadUnexpectedException(); |
776 |
< |
} |
777 |
< |
} |
778 |
< |
}); |
767 |
> |
executor.execute(new CheckedRunnable() { |
768 |
> |
public void realRun() throws InterruptedException { |
769 |
> |
assertNull(q.poll()); |
770 |
> |
assertTrue(null != q.poll(MEDIUM_DELAY_MS, MILLISECONDS)); |
771 |
> |
assertTrue(q.isEmpty()); |
772 |
> |
}}); |
773 |
> |
|
774 |
> |
executor.execute(new CheckedRunnable() { |
775 |
> |
public void realRun() throws InterruptedException { |
776 |
> |
Thread.sleep(SHORT_DELAY_MS); |
777 |
> |
q.put(new PDelay(1)); |
778 |
> |
}}); |
779 |
|
|
843 |
– |
executor.execute(new Runnable() { |
844 |
– |
public void run() { |
845 |
– |
try { |
846 |
– |
Thread.sleep(SHORT_DELAY_MS); |
847 |
– |
q.put(new PDelay(1)); |
848 |
– |
} |
849 |
– |
catch (InterruptedException e) { |
850 |
– |
threadUnexpectedException(); |
851 |
– |
} |
852 |
– |
} |
853 |
– |
}); |
780 |
|
joinPool(executor); |
855 |
– |
|
781 |
|
} |
782 |
|
|
783 |
|
|
784 |
|
/** |
785 |
|
* Delayed actions do not occur until their delay elapses |
786 |
|
*/ |
787 |
< |
public void testDelay() { |
788 |
< |
DelayQueue q = new DelayQueue(); |
789 |
< |
NanoDelay[] elements = new NanoDelay[SIZE]; |
790 |
< |
for (int i = 0; i < SIZE; ++i) { |
866 |
< |
elements[i] = new NanoDelay(1000000000L + 1000000L * (SIZE - i)); |
867 |
< |
} |
868 |
< |
for (int i = 0; i < SIZE; ++i) { |
869 |
< |
q.add(elements[i]); |
870 |
< |
} |
787 |
> |
public void testDelay() throws InterruptedException { |
788 |
> |
DelayQueue<NanoDelay> q = new DelayQueue<NanoDelay>(); |
789 |
> |
for (int i = 0; i < SIZE; ++i) |
790 |
> |
q.add(new NanoDelay(1000000L * (SIZE - i))); |
791 |
|
|
792 |
< |
try { |
793 |
< |
long last = 0; |
794 |
< |
for (int i = 0; i < SIZE; ++i) { |
795 |
< |
NanoDelay e = (NanoDelay)(q.take()); |
796 |
< |
long tt = e.getTriggerTime(); |
797 |
< |
assertTrue(tt <= System.nanoTime()); |
798 |
< |
if (i != 0) |
799 |
< |
assertTrue(tt >= last); |
880 |
< |
last = tt; |
881 |
< |
} |
882 |
< |
} |
883 |
< |
catch(InterruptedException ie) { |
884 |
< |
unexpectedException(); |
792 |
> |
long last = 0; |
793 |
> |
for (int i = 0; i < SIZE; ++i) { |
794 |
> |
NanoDelay e = q.take(); |
795 |
> |
long tt = e.getTriggerTime(); |
796 |
> |
assertTrue(System.nanoTime() - tt >= 0); |
797 |
> |
if (i != 0) |
798 |
> |
assertTrue(tt >= last); |
799 |
> |
last = tt; |
800 |
|
} |
801 |
+ |
assertTrue(q.isEmpty()); |
802 |
|
} |
803 |
|
|
804 |
|
/** |
807 |
|
public void testPeekDelayed() { |
808 |
|
DelayQueue q = new DelayQueue(); |
809 |
|
q.add(new NanoDelay(Long.MAX_VALUE)); |
810 |
< |
assert(q.peek() != null); |
810 |
> |
assertNotNull(q.peek()); |
811 |
|
} |
812 |
|
|
813 |
|
|
823 |
|
/** |
824 |
|
* timed poll of a non-empty queue returns null if no expired elements. |
825 |
|
*/ |
826 |
< |
public void testTimedPollDelayed() { |
826 |
> |
public void testTimedPollDelayed() throws InterruptedException { |
827 |
|
DelayQueue q = new DelayQueue(); |
828 |
|
q.add(new NanoDelay(LONG_DELAY_MS * 1000000L)); |
829 |
< |
try { |
914 |
< |
assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
915 |
< |
} catch (Exception ex) { |
916 |
< |
unexpectedException(); |
917 |
< |
} |
829 |
> |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
830 |
|
} |
831 |
|
|
832 |
|
/** |
837 |
|
try { |
838 |
|
q.drainTo(null); |
839 |
|
shouldThrow(); |
840 |
< |
} catch(NullPointerException success) { |
929 |
< |
} |
840 |
> |
} catch (NullPointerException success) {} |
841 |
|
} |
842 |
|
|
843 |
|
/** |
848 |
|
try { |
849 |
|
q.drainTo(q); |
850 |
|
shouldThrow(); |
851 |
< |
} catch(IllegalArgumentException success) { |
941 |
< |
} |
851 |
> |
} catch (IllegalArgumentException success) {} |
852 |
|
} |
853 |
|
|
854 |
|
/** |
882 |
|
/** |
883 |
|
* drainTo empties queue |
884 |
|
*/ |
885 |
< |
public void testDrainToWithActivePut() { |
885 |
> |
public void testDrainToWithActivePut() throws InterruptedException { |
886 |
|
final DelayQueue q = populatedQueue(SIZE); |
887 |
< |
Thread t = new Thread(new Runnable() { |
888 |
< |
public void run() { |
889 |
< |
q.put(new PDelay(SIZE+1)); |
890 |
< |
} |
891 |
< |
}); |
892 |
< |
try { |
893 |
< |
t.start(); |
894 |
< |
ArrayList l = new ArrayList(); |
895 |
< |
q.drainTo(l); |
896 |
< |
assertTrue(l.size() >= SIZE); |
897 |
< |
t.join(); |
988 |
< |
assertTrue(q.size() + l.size() >= SIZE); |
989 |
< |
} catch(Exception e){ |
990 |
< |
unexpectedException(); |
991 |
< |
} |
887 |
> |
Thread t = new Thread(new CheckedRunnable() { |
888 |
> |
public void realRun() { |
889 |
> |
q.put(new PDelay(SIZE+1)); |
890 |
> |
}}); |
891 |
> |
|
892 |
> |
t.start(); |
893 |
> |
ArrayList l = new ArrayList(); |
894 |
> |
q.drainTo(l); |
895 |
> |
assertTrue(l.size() >= SIZE); |
896 |
> |
t.join(); |
897 |
> |
assertTrue(q.size() + l.size() >= SIZE); |
898 |
|
} |
899 |
|
|
900 |
|
/** |
905 |
|
try { |
906 |
|
q.drainTo(null, 0); |
907 |
|
shouldThrow(); |
908 |
< |
} catch(NullPointerException success) { |
1003 |
< |
} |
908 |
> |
} catch (NullPointerException success) {} |
909 |
|
} |
910 |
|
|
911 |
|
/** |
916 |
|
try { |
917 |
|
q.drainTo(q, 0); |
918 |
|
shouldThrow(); |
919 |
< |
} catch(IllegalArgumentException success) { |
1015 |
< |
} |
919 |
> |
} catch (IllegalArgumentException success) {} |
920 |
|
} |
921 |
|
|
922 |
|
/** |
923 |
< |
* drainTo(c, n) empties first max {n, size} elements of queue into c |
923 |
> |
* drainTo(c, n) empties first min(n, size) elements of queue into c |
924 |
|
*/ |
925 |
|
public void testDrainToN() { |
926 |
|
for (int i = 0; i < SIZE + 2; ++i) { |
927 |
|
DelayQueue q = populatedQueue(SIZE); |
928 |
|
ArrayList l = new ArrayList(); |
929 |
|
q.drainTo(l, i); |
930 |
< |
int k = (i < SIZE)? i : SIZE; |
930 |
> |
int k = (i < SIZE) ? i : SIZE; |
931 |
|
assertEquals(q.size(), SIZE-k); |
932 |
|
assertEquals(l.size(), k); |
933 |
|
} |