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/* |
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* Written by members of JCP JSR-166 Expert Group and released to the |
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* public domain. Use, modify, and redistribute this code in any way |
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* without acknowledgement. Other contributors include Andrew Wright, |
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* Jeffrey Hayes, Pat Fischer, Mike Judd. |
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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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* 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 java.util.concurrent.*; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import java.io.*; |
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public class ArrayBlockingQueueTest 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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public static Test suite() { |
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return new TestSuite(ArrayBlockingQueueTest.class); |
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return new TestSuite(ArrayBlockingQueueTest.class); |
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} |
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|
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/** |
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private ArrayBlockingQueue populatedQueue(int n) { |
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ArrayBlockingQueue q = new ArrayBlockingQueue(n); |
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assertTrue(q.isEmpty()); |
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for(int i = 0; i < n; i++) |
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assertTrue(q.offer(new Integer(i))); |
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for (int i = 0; i < n; i++) |
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assertTrue(q.offer(new Integer(i))); |
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assertFalse(q.isEmpty()); |
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assertEquals(0, 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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|
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/** |
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* |
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* A new queue has the indicated capacity |
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*/ |
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public void testConstructor1() { |
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assertEquals(SIZE, new ArrayBlockingQueue(SIZE).remainingCapacity()); |
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} |
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|
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/** |
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* |
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* Constructor throws IAE if capacity argument nonpositive |
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*/ |
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public void testConstructor2() { |
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try { |
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ArrayBlockingQueue q = new ArrayBlockingQueue(0); |
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shouldThrow(); |
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} |
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catch (IllegalArgumentException success) {} |
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} catch (IllegalArgumentException success) {} |
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} |
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|
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/** |
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* |
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* Initializing from null Collection throws NPE |
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*/ |
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public void testConstructor3() { |
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try { |
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ArrayBlockingQueue q = new ArrayBlockingQueue(1, true, 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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/** |
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* |
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* Initializing from Collection of null elements throws NPE |
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*/ |
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public void testConstructor4() { |
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try { |
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Integer[] ints = new Integer[SIZE]; |
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ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE, false, 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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* |
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* Initializing from Collection with some null elements throws NPE |
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*/ |
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public void testConstructor5() { |
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try { |
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ints[i] = new Integer(i); |
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ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE, false, 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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* |
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* Initializing from too large collection throws IAE |
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*/ |
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public void testConstructor6() { |
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try { |
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ints[i] = new Integer(i); |
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ArrayBlockingQueue q = new ArrayBlockingQueue(1, false, Arrays.asList(ints)); |
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shouldThrow(); |
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} |
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catch (IllegalArgumentException success) {} |
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} catch (IllegalArgumentException 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 testConstructor7() { |
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try { |
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Integer[] ints = new Integer[SIZE]; |
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for (int i = 0; i < SIZE; ++i) |
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ints[i] = new Integer(i); |
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ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE, true, 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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Integer[] ints = new Integer[SIZE]; |
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for (int i = 0; i < SIZE; ++i) |
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ints[i] = new Integer(i); |
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ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE, true, 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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* Queue transitions from empty to full when elements added |
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*/ |
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public void testEmptyFull() { |
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ArrayBlockingQueue q = new ArrayBlockingQueue(2); |
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} |
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|
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/** |
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* |
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* remainingCapacity decreases on add, increases on remove |
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*/ |
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public void testRemainingCapacity() { |
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ArrayBlockingQueue q = populatedQueue(SIZE); |
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} |
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|
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/** |
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* |
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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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ArrayBlockingQueue q = new ArrayBlockingQueue(1); |
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q.offer(null); |
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shouldThrow(); |
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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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* |
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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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ArrayBlockingQueue q = new ArrayBlockingQueue(1); |
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q.add(null); |
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shouldThrow(); |
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} catch (NullPointerException success) {} |
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} |
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|
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/** |
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* Offer succeeds if not full; fails if full |
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*/ |
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public void testOffer() { |
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ArrayBlockingQueue q = new ArrayBlockingQueue(1); |
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} |
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|
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/** |
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* |
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* add succeeds if not full; throws ISE if full |
180 |
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*/ |
181 |
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public void testAdd() { |
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try { |
182 |
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try { |
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ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
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for (int i = 0; i < SIZE; ++i) { |
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assertTrue(q.add(new Integer(i))); |
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} |
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assertEquals(0, q.remainingCapacity()); |
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q.add(new Integer(SIZE)); |
189 |
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} catch (IllegalStateException success){ |
190 |
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} |
189 |
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shouldThrow(); |
190 |
> |
} catch (IllegalStateException success) {} |
191 |
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} |
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|
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/** |
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< |
* |
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> |
* addAll(null) throws NPE |
195 |
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*/ |
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public void testAddAll1() { |
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try { |
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ArrayBlockingQueue q = new ArrayBlockingQueue(1); |
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q.addAll(null); |
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shouldThrow(); |
201 |
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} |
202 |
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catch (NullPointerException success) {} |
201 |
> |
} catch (NullPointerException success) {} |
202 |
> |
} |
203 |
> |
|
204 |
> |
/** |
205 |
> |
* addAll(this) throws IAE |
206 |
> |
*/ |
207 |
> |
public void testAddAllSelf() { |
208 |
> |
try { |
209 |
> |
ArrayBlockingQueue q = populatedQueue(SIZE); |
210 |
> |
q.addAll(q); |
211 |
> |
shouldThrow(); |
212 |
> |
} catch (IllegalArgumentException success) {} |
213 |
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} |
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|
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|
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/** |
217 |
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* |
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> |
* addAll of a collection with null elements throws NPE |
218 |
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*/ |
219 |
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public void testAddAll2() { |
220 |
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try { |
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Integer[] ints = new Integer[SIZE]; |
223 |
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q.addAll(Arrays.asList(ints)); |
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shouldThrow(); |
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} |
210 |
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catch (NullPointerException success) {} |
225 |
> |
} catch (NullPointerException success) {} |
226 |
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} |
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/** |
228 |
< |
* |
228 |
> |
* addAll of a collection with any null elements throws NPE after |
229 |
> |
* possibly adding some elements |
230 |
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*/ |
231 |
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public void testAddAll3() { |
232 |
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try { |
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ints[i] = new Integer(i); |
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q.addAll(Arrays.asList(ints)); |
238 |
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shouldThrow(); |
239 |
< |
} |
224 |
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catch (NullPointerException success) {} |
239 |
> |
} catch (NullPointerException success) {} |
240 |
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} |
241 |
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/** |
242 |
< |
* |
242 |
> |
* addAll throws ISE if not enough room |
243 |
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*/ |
244 |
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public void testAddAll4() { |
245 |
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try { |
249 |
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ints[i] = new Integer(i); |
250 |
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q.addAll(Arrays.asList(ints)); |
251 |
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shouldThrow(); |
252 |
< |
} |
238 |
< |
catch (IllegalStateException success) {} |
252 |
> |
} catch (IllegalStateException success) {} |
253 |
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} |
254 |
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/** |
255 |
< |
* |
255 |
> |
* Queue contains all elements, in traversal order, of successful addAll |
256 |
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*/ |
257 |
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public void testAddAll5() { |
258 |
< |
try { |
259 |
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Integer[] empty = new Integer[0]; |
260 |
< |
Integer[] ints = new Integer[SIZE]; |
261 |
< |
for (int i = 0; i < SIZE; ++i) |
262 |
< |
ints[i] = new Integer(i); |
263 |
< |
ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
264 |
< |
assertFalse(q.addAll(Arrays.asList(empty))); |
265 |
< |
assertTrue(q.addAll(Arrays.asList(ints))); |
266 |
< |
for (int i = 0; i < SIZE; ++i) |
253 |
< |
assertEquals(ints[i], q.poll()); |
254 |
< |
} |
255 |
< |
finally {} |
258 |
> |
Integer[] empty = new Integer[0]; |
259 |
> |
Integer[] ints = new Integer[SIZE]; |
260 |
> |
for (int i = 0; i < SIZE; ++i) |
261 |
> |
ints[i] = new Integer(i); |
262 |
> |
ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
263 |
> |
assertFalse(q.addAll(Arrays.asList(empty))); |
264 |
> |
assertTrue(q.addAll(Arrays.asList(ints))); |
265 |
> |
for (int i = 0; i < SIZE; ++i) |
266 |
> |
assertEquals(ints[i], q.poll()); |
267 |
|
} |
268 |
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|
269 |
|
/** |
270 |
< |
* |
270 |
> |
* put(null) throws NPE |
271 |
|
*/ |
272 |
< |
public void testPutNull() { |
273 |
< |
try { |
272 |
> |
public void testPutNull() throws InterruptedException { |
273 |
> |
try { |
274 |
|
ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
275 |
|
q.put(null); |
276 |
|
shouldThrow(); |
277 |
< |
} |
267 |
< |
catch (NullPointerException success){ |
268 |
< |
} |
269 |
< |
catch (InterruptedException ie) { |
270 |
< |
unexpectedException(); |
271 |
< |
} |
277 |
> |
} catch (NullPointerException success) {} |
278 |
|
} |
279 |
|
|
280 |
|
/** |
281 |
< |
* |
281 |
> |
* all elements successfully put are contained |
282 |
|
*/ |
283 |
< |
public void testPut() { |
284 |
< |
try { |
285 |
< |
ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
286 |
< |
for (int i = 0; i < SIZE; ++i) { |
287 |
< |
Integer I = new Integer(i); |
288 |
< |
q.put(I); |
283 |
< |
assertTrue(q.contains(I)); |
284 |
< |
} |
285 |
< |
assertEquals(0, q.remainingCapacity()); |
286 |
< |
} |
287 |
< |
catch (InterruptedException ie) { |
288 |
< |
unexpectedException(); |
283 |
> |
public void testPut() throws InterruptedException { |
284 |
> |
ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
285 |
> |
for (int i = 0; i < SIZE; ++i) { |
286 |
> |
Integer I = new Integer(i); |
287 |
> |
q.put(I); |
288 |
> |
assertTrue(q.contains(I)); |
289 |
|
} |
290 |
+ |
assertEquals(0, q.remainingCapacity()); |
291 |
|
} |
292 |
|
|
293 |
|
/** |
294 |
< |
* |
295 |
< |
*/ |
296 |
< |
public void testBlockingPut() { |
297 |
< |
Thread t = new Thread(new Runnable() { |
298 |
< |
public void run() { |
299 |
< |
int added = 0; |
300 |
< |
try { |
301 |
< |
ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
302 |
< |
for (int i = 0; i < SIZE; ++i) { |
303 |
< |
q.put(new Integer(i)); |
304 |
< |
++added; |
305 |
< |
} |
306 |
< |
q.put(new Integer(SIZE)); |
307 |
< |
threadShouldThrow(); |
308 |
< |
} catch (InterruptedException ie){ |
309 |
< |
threadAssertEquals(added, SIZE); |
310 |
< |
} |
311 |
< |
}}); |
312 |
< |
try { |
313 |
< |
t.start(); |
314 |
< |
Thread.sleep(SHORT_DELAY_MS); |
315 |
< |
t.interrupt(); |
315 |
< |
t.join(); |
316 |
< |
} |
317 |
< |
catch (InterruptedException ie) { |
318 |
< |
unexpectedException(); |
319 |
< |
} |
294 |
> |
* put blocks interruptibly if full |
295 |
> |
*/ |
296 |
> |
public void testBlockingPut() throws InterruptedException { |
297 |
> |
final ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
298 |
> |
Thread t = new Thread(new CheckedRunnable() { |
299 |
> |
public void realRun() { |
300 |
> |
int added = 0; |
301 |
> |
try { |
302 |
> |
for (int i = 0; i < SIZE; ++i) { |
303 |
> |
q.put(new Integer(i)); |
304 |
> |
++added; |
305 |
> |
} |
306 |
> |
q.put(new Integer(SIZE)); |
307 |
> |
threadShouldThrow(); |
308 |
> |
} catch (InterruptedException success) { |
309 |
> |
threadAssertEquals(added, SIZE); |
310 |
> |
}}}); |
311 |
> |
|
312 |
> |
t.start(); |
313 |
> |
Thread.sleep(MEDIUM_DELAY_MS); |
314 |
> |
t.interrupt(); |
315 |
> |
t.join(); |
316 |
|
} |
317 |
|
|
318 |
|
/** |
319 |
< |
* |
319 |
> |
* put blocks waiting for take when full |
320 |
|
*/ |
321 |
< |
public void testPutWithTake() { |
321 |
> |
public void testPutWithTake() throws InterruptedException { |
322 |
|
final ArrayBlockingQueue q = new ArrayBlockingQueue(2); |
323 |
< |
Thread t = new Thread(new Runnable() { |
324 |
< |
public void run() { |
325 |
< |
int added = 0; |
326 |
< |
try { |
327 |
< |
q.put(new Object()); |
328 |
< |
++added; |
329 |
< |
q.put(new Object()); |
330 |
< |
++added; |
331 |
< |
q.put(new Object()); |
332 |
< |
++added; |
333 |
< |
q.put(new Object()); |
334 |
< |
++added; |
335 |
< |
threadShouldThrow(); |
336 |
< |
} catch (InterruptedException e){ |
337 |
< |
threadAssertTrue(added >= 2); |
338 |
< |
} |
339 |
< |
} |
340 |
< |
}); |
341 |
< |
try { |
342 |
< |
t.start(); |
343 |
< |
Thread.sleep(SHORT_DELAY_MS); |
344 |
< |
q.take(); |
345 |
< |
t.interrupt(); |
350 |
< |
t.join(); |
351 |
< |
} catch (Exception e){ |
352 |
< |
unexpectedException(); |
353 |
< |
} |
323 |
> |
Thread t = new Thread(new CheckedRunnable() { |
324 |
> |
public void realRun() { |
325 |
> |
int added = 0; |
326 |
> |
try { |
327 |
> |
q.put(new Object()); |
328 |
> |
++added; |
329 |
> |
q.put(new Object()); |
330 |
> |
++added; |
331 |
> |
q.put(new Object()); |
332 |
> |
++added; |
333 |
> |
q.put(new Object()); |
334 |
> |
++added; |
335 |
> |
threadShouldThrow(); |
336 |
> |
} catch (InterruptedException success) { |
337 |
> |
threadAssertTrue(added >= 2); |
338 |
> |
} |
339 |
> |
}}); |
340 |
> |
|
341 |
> |
t.start(); |
342 |
> |
Thread.sleep(SHORT_DELAY_MS); |
343 |
> |
q.take(); |
344 |
> |
t.interrupt(); |
345 |
> |
t.join(); |
346 |
|
} |
347 |
|
|
348 |
|
/** |
349 |
< |
* |
349 |
> |
* timed offer times out if full and elements not taken |
350 |
|
*/ |
351 |
< |
public void testTimedOffer() { |
351 |
> |
public void testTimedOffer() throws InterruptedException { |
352 |
|
final ArrayBlockingQueue q = new ArrayBlockingQueue(2); |
353 |
< |
Thread t = new Thread(new Runnable() { |
354 |
< |
public void run() { |
355 |
< |
try { |
356 |
< |
q.put(new Object()); |
357 |
< |
q.put(new Object()); |
358 |
< |
threadAssertFalse(q.offer(new Object(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS)); |
359 |
< |
q.offer(new Object(), LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
360 |
< |
threadShouldThrow(); |
361 |
< |
} catch (InterruptedException success){} |
362 |
< |
} |
363 |
< |
}); |
364 |
< |
|
373 |
< |
try { |
374 |
< |
t.start(); |
375 |
< |
Thread.sleep(SHORT_DELAY_MS); |
376 |
< |
t.interrupt(); |
377 |
< |
t.join(); |
378 |
< |
} catch (Exception e){ |
379 |
< |
unexpectedException(); |
380 |
< |
} |
353 |
> |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
354 |
> |
public void realRun() throws InterruptedException { |
355 |
> |
q.put(new Object()); |
356 |
> |
q.put(new Object()); |
357 |
> |
threadAssertFalse(q.offer(new Object(), SHORT_DELAY_MS/2, MILLISECONDS)); |
358 |
> |
q.offer(new Object(), LONG_DELAY_MS, MILLISECONDS); |
359 |
> |
}}; |
360 |
> |
|
361 |
> |
t.start(); |
362 |
> |
Thread.sleep(SHORT_DELAY_MS); |
363 |
> |
t.interrupt(); |
364 |
> |
t.join(); |
365 |
|
} |
366 |
|
|
367 |
|
/** |
368 |
< |
* |
368 |
> |
* take retrieves elements in FIFO order |
369 |
|
*/ |
370 |
< |
public void testTake() { |
371 |
< |
try { |
372 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
373 |
< |
for (int i = 0; i < SIZE; ++i) { |
374 |
< |
assertEquals(i, ((Integer)q.take()).intValue()); |
391 |
< |
} |
392 |
< |
} catch (InterruptedException e){ |
393 |
< |
unexpectedException(); |
394 |
< |
} |
370 |
> |
public void testTake() throws InterruptedException { |
371 |
> |
ArrayBlockingQueue q = populatedQueue(SIZE); |
372 |
> |
for (int i = 0; i < SIZE; ++i) { |
373 |
> |
assertEquals(i, ((Integer)q.take()).intValue()); |
374 |
> |
} |
375 |
|
} |
376 |
|
|
377 |
|
/** |
378 |
< |
* |
378 |
> |
* take blocks interruptibly when empty |
379 |
|
*/ |
380 |
< |
public void testTakeFromEmpty() { |
380 |
> |
public void testTakeFromEmpty() throws InterruptedException { |
381 |
|
final ArrayBlockingQueue q = new ArrayBlockingQueue(2); |
382 |
< |
Thread t = new Thread(new Runnable() { |
383 |
< |
public void run() { |
384 |
< |
try { |
385 |
< |
q.take(); |
386 |
< |
threadShouldThrow(); |
387 |
< |
} catch (InterruptedException success){ } |
388 |
< |
} |
389 |
< |
}); |
390 |
< |
try { |
411 |
< |
t.start(); |
412 |
< |
Thread.sleep(SHORT_DELAY_MS); |
413 |
< |
t.interrupt(); |
414 |
< |
t.join(); |
415 |
< |
} catch (Exception e){ |
416 |
< |
unexpectedException(); |
417 |
< |
} |
382 |
> |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
383 |
> |
public void realRun() throws InterruptedException { |
384 |
> |
q.take(); |
385 |
> |
}}; |
386 |
> |
|
387 |
> |
t.start(); |
388 |
> |
Thread.sleep(SHORT_DELAY_MS); |
389 |
> |
t.interrupt(); |
390 |
> |
t.join(); |
391 |
|
} |
392 |
|
|
393 |
|
/** |
394 |
< |
* |
394 |
> |
* Take removes existing elements until empty, then blocks interruptibly |
395 |
|
*/ |
396 |
< |
public void testBlockingTake() { |
397 |
< |
Thread t = new Thread(new Runnable() { |
398 |
< |
public void run() { |
399 |
< |
try { |
400 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
401 |
< |
for (int i = 0; i < SIZE; ++i) { |
402 |
< |
threadAssertEquals(i, ((Integer)q.take()).intValue()); |
403 |
< |
} |
404 |
< |
q.take(); |
405 |
< |
threadShouldThrow(); |
406 |
< |
} catch (InterruptedException success){ |
407 |
< |
} |
435 |
< |
}}); |
436 |
< |
try { |
437 |
< |
t.start(); |
438 |
< |
Thread.sleep(SHORT_DELAY_MS); |
396 |
> |
public void testBlockingTake() throws InterruptedException { |
397 |
> |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
398 |
> |
public void realRun() throws InterruptedException { |
399 |
> |
ArrayBlockingQueue q = populatedQueue(SIZE); |
400 |
> |
for (int i = 0; i < SIZE; ++i) { |
401 |
> |
threadAssertEquals(i, ((Integer)q.take()).intValue()); |
402 |
> |
} |
403 |
> |
q.take(); |
404 |
> |
}}; |
405 |
> |
|
406 |
> |
t.start(); |
407 |
> |
Thread.sleep(SHORT_DELAY_MS); |
408 |
|
t.interrupt(); |
409 |
|
t.join(); |
441 |
– |
} |
442 |
– |
catch (InterruptedException ie) { |
443 |
– |
unexpectedException(); |
444 |
– |
} |
410 |
|
} |
411 |
|
|
412 |
|
|
413 |
|
/** |
414 |
< |
* |
414 |
> |
* poll succeeds unless empty |
415 |
|
*/ |
416 |
|
public void testPoll() { |
417 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
418 |
|
for (int i = 0; i < SIZE; ++i) { |
419 |
|
assertEquals(i, ((Integer)q.poll()).intValue()); |
420 |
|
} |
421 |
< |
assertNull(q.poll()); |
421 |
> |
assertNull(q.poll()); |
422 |
|
} |
423 |
|
|
424 |
|
/** |
425 |
< |
* |
425 |
> |
* timed pool with zero timeout succeeds when non-empty, else times out |
426 |
|
*/ |
427 |
< |
public void testTimedPoll0() { |
428 |
< |
try { |
429 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
430 |
< |
for (int i = 0; i < SIZE; ++i) { |
431 |
< |
assertEquals(i, ((Integer)q.poll(0, TimeUnit.MILLISECONDS)).intValue()); |
432 |
< |
} |
468 |
< |
assertNull(q.poll(0, TimeUnit.MILLISECONDS)); |
469 |
< |
} catch (InterruptedException e){ |
470 |
< |
unexpectedException(); |
471 |
< |
} |
427 |
> |
public void testTimedPoll0() throws InterruptedException { |
428 |
> |
ArrayBlockingQueue q = populatedQueue(SIZE); |
429 |
> |
for (int i = 0; i < SIZE; ++i) { |
430 |
> |
assertEquals(i, ((Integer)q.poll(0, MILLISECONDS)).intValue()); |
431 |
> |
} |
432 |
> |
assertNull(q.poll(0, MILLISECONDS)); |
433 |
|
} |
434 |
|
|
435 |
|
/** |
436 |
< |
* |
436 |
> |
* timed pool with nonzero timeout succeeds when non-empty, else times out |
437 |
|
*/ |
438 |
< |
public void testTimedPoll() { |
439 |
< |
try { |
440 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
441 |
< |
for (int i = 0; i < SIZE; ++i) { |
442 |
< |
assertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)).intValue()); |
443 |
< |
} |
483 |
< |
assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
484 |
< |
} catch (InterruptedException e){ |
485 |
< |
unexpectedException(); |
486 |
< |
} |
438 |
> |
public void testTimedPoll() throws InterruptedException { |
439 |
> |
ArrayBlockingQueue q = populatedQueue(SIZE); |
440 |
> |
for (int i = 0; i < SIZE; ++i) { |
441 |
> |
assertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, MILLISECONDS)).intValue()); |
442 |
> |
} |
443 |
> |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
444 |
|
} |
445 |
|
|
446 |
|
/** |
447 |
< |
* |
448 |
< |
*/ |
449 |
< |
public void testInterruptedTimedPoll() { |
450 |
< |
Thread t = new Thread(new Runnable() { |
451 |
< |
public void run() { |
452 |
< |
try { |
453 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
454 |
< |
for (int i = 0; i < SIZE; ++i) { |
455 |
< |
threadAssertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)).intValue()); |
456 |
< |
} |
457 |
< |
threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
458 |
< |
} catch (InterruptedException success){ |
459 |
< |
} |
460 |
< |
}}); |
461 |
< |
try { |
462 |
< |
t.start(); |
463 |
< |
Thread.sleep(SHORT_DELAY_MS); |
464 |
< |
t.interrupt(); |
465 |
< |
t.join(); |
509 |
< |
} |
510 |
< |
catch (InterruptedException ie) { |
511 |
< |
unexpectedException(); |
512 |
< |
} |
447 |
> |
* Interrupted timed poll throws InterruptedException instead of |
448 |
> |
* returning timeout status |
449 |
> |
*/ |
450 |
> |
public void testInterruptedTimedPoll() throws InterruptedException { |
451 |
> |
Thread t = new Thread(new CheckedRunnable() { |
452 |
> |
public void realRun() throws InterruptedException { |
453 |
> |
ArrayBlockingQueue q = populatedQueue(SIZE); |
454 |
> |
for (int i = 0; i < SIZE; ++i) { |
455 |
> |
assertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, MILLISECONDS)).intValue()); |
456 |
> |
} |
457 |
> |
try { |
458 |
> |
q.poll(SMALL_DELAY_MS, MILLISECONDS); |
459 |
> |
} catch (InterruptedException success) {} |
460 |
> |
}}); |
461 |
> |
|
462 |
> |
t.start(); |
463 |
> |
Thread.sleep(SHORT_DELAY_MS); |
464 |
> |
t.interrupt(); |
465 |
> |
t.join(); |
466 |
|
} |
467 |
|
|
468 |
|
/** |
469 |
< |
* |
469 |
> |
* timed poll before a delayed offer fails; after offer succeeds; |
470 |
> |
* on interruption throws |
471 |
|
*/ |
472 |
< |
public void testTimedPollWithOffer() { |
472 |
> |
public void testTimedPollWithOffer() throws InterruptedException { |
473 |
|
final ArrayBlockingQueue q = new ArrayBlockingQueue(2); |
474 |
< |
Thread t = new Thread(new Runnable() { |
475 |
< |
public void run() { |
476 |
< |
try { |
477 |
< |
threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
478 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
479 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
480 |
< |
threadShouldThrow(); |
481 |
< |
} catch (InterruptedException success) { } |
482 |
< |
} |
483 |
< |
}); |
484 |
< |
try { |
485 |
< |
t.start(); |
486 |
< |
Thread.sleep(SMALL_DELAY_MS); |
533 |
< |
assertTrue(q.offer(zero, SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
534 |
< |
t.interrupt(); |
535 |
< |
t.join(); |
536 |
< |
} catch (Exception e){ |
537 |
< |
unexpectedException(); |
538 |
< |
} |
539 |
< |
} |
474 |
> |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
475 |
> |
public void realRun() throws InterruptedException { |
476 |
> |
threadAssertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
477 |
> |
q.poll(LONG_DELAY_MS, MILLISECONDS); |
478 |
> |
q.poll(LONG_DELAY_MS, MILLISECONDS); |
479 |
> |
}}; |
480 |
> |
|
481 |
> |
t.start(); |
482 |
> |
Thread.sleep(SMALL_DELAY_MS); |
483 |
> |
assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS)); |
484 |
> |
t.interrupt(); |
485 |
> |
t.join(); |
486 |
> |
} |
487 |
|
|
488 |
|
|
489 |
|
/** |
490 |
< |
* |
490 |
> |
* peek returns next element, or null if empty |
491 |
|
*/ |
492 |
|
public void testPeek() { |
493 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
497 |
|
assertTrue(q.peek() == null || |
498 |
|
i != ((Integer)q.peek()).intValue()); |
499 |
|
} |
500 |
< |
assertNull(q.peek()); |
500 |
> |
assertNull(q.peek()); |
501 |
|
} |
502 |
|
|
503 |
|
/** |
504 |
< |
* |
504 |
> |
* element returns next element, or throws NSEE if empty |
505 |
|
*/ |
506 |
|
public void testElement() { |
507 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
512 |
|
try { |
513 |
|
q.element(); |
514 |
|
shouldThrow(); |
515 |
< |
} |
569 |
< |
catch (NoSuchElementException success) {} |
515 |
> |
} catch (NoSuchElementException success) {} |
516 |
|
} |
517 |
|
|
518 |
|
/** |
519 |
< |
* |
519 |
> |
* remove removes next element, or throws NSEE if empty |
520 |
|
*/ |
521 |
|
public void testRemove() { |
522 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
526 |
|
try { |
527 |
|
q.remove(); |
528 |
|
shouldThrow(); |
529 |
< |
} catch (NoSuchElementException success){ |
584 |
< |
} |
529 |
> |
} catch (NoSuchElementException success) {} |
530 |
|
} |
531 |
|
|
532 |
|
/** |
533 |
< |
* |
533 |
> |
* remove(x) removes x and returns true if present |
534 |
|
*/ |
535 |
|
public void testRemoveElement() { |
536 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
543 |
|
} |
544 |
|
assertTrue(q.isEmpty()); |
545 |
|
} |
546 |
< |
|
546 |
> |
|
547 |
|
/** |
548 |
< |
* |
548 |
> |
* contains(x) reports true when elements added but not yet removed |
549 |
|
*/ |
550 |
|
public void testContains() { |
551 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
557 |
|
} |
558 |
|
|
559 |
|
/** |
560 |
< |
* |
560 |
> |
* clear removes all elements |
561 |
|
*/ |
562 |
|
public void testClear() { |
563 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
567 |
|
assertEquals(SIZE, q.remainingCapacity()); |
568 |
|
q.add(one); |
569 |
|
assertFalse(q.isEmpty()); |
570 |
+ |
assertTrue(q.contains(one)); |
571 |
|
q.clear(); |
572 |
|
assertTrue(q.isEmpty()); |
573 |
|
} |
574 |
|
|
575 |
|
/** |
576 |
< |
* |
576 |
> |
* containsAll(c) is true when c contains a subset of elements |
577 |
|
*/ |
578 |
|
public void testContainsAll() { |
579 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
587 |
|
} |
588 |
|
|
589 |
|
/** |
590 |
< |
* |
590 |
> |
* retainAll(c) retains only those elements of c and reports true if changed |
591 |
|
*/ |
592 |
|
public void testRetainAll() { |
593 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
606 |
|
} |
607 |
|
|
608 |
|
/** |
609 |
< |
* |
609 |
> |
* removeAll(c) removes only those elements of c and reports true if changed |
610 |
|
*/ |
611 |
|
public void testRemoveAll() { |
612 |
|
for (int i = 1; i < SIZE; ++i) { |
621 |
|
} |
622 |
|
} |
623 |
|
|
678 |
– |
|
624 |
|
/** |
625 |
< |
* |
625 |
> |
* toArray contains all elements |
626 |
|
*/ |
627 |
< |
public void testToArray() { |
627 |
> |
public void testToArray() throws InterruptedException { |
628 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
629 |
< |
Object[] o = q.toArray(); |
630 |
< |
try { |
631 |
< |
for(int i = 0; i < o.length; i++) |
687 |
< |
assertEquals(o[i], q.take()); |
688 |
< |
} catch (InterruptedException e){ |
689 |
< |
unexpectedException(); |
690 |
< |
} |
629 |
> |
Object[] o = q.toArray(); |
630 |
> |
for (int i = 0; i < o.length; i++) |
631 |
> |
assertEquals(o[i], q.take()); |
632 |
|
} |
633 |
|
|
634 |
|
/** |
635 |
< |
* |
635 |
> |
* toArray(a) contains all elements |
636 |
|
*/ |
637 |
< |
public void testToArray2() { |
637 |
> |
public void testToArray2() throws InterruptedException { |
638 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
639 |
< |
Integer[] ints = new Integer[SIZE]; |
640 |
< |
ints = (Integer[])q.toArray(ints); |
641 |
< |
try { |
642 |
< |
for(int i = 0; i < ints.length; i++) |
643 |
< |
assertEquals(ints[i], q.take()); |
644 |
< |
} catch (InterruptedException e){ |
645 |
< |
unexpectedException(); |
646 |
< |
} |
639 |
> |
Integer[] ints = new Integer[SIZE]; |
640 |
> |
ints = (Integer[])q.toArray(ints); |
641 |
> |
for (int i = 0; i < ints.length; i++) |
642 |
> |
assertEquals(ints[i], q.take()); |
643 |
> |
} |
644 |
> |
|
645 |
> |
/** |
646 |
> |
* toArray(null) throws NPE |
647 |
> |
*/ |
648 |
> |
public void testToArray_BadArg() { |
649 |
> |
try { |
650 |
> |
ArrayBlockingQueue q = populatedQueue(SIZE); |
651 |
> |
Object o[] = q.toArray(null); |
652 |
> |
shouldThrow(); |
653 |
> |
} catch (NullPointerException success) {} |
654 |
> |
} |
655 |
> |
|
656 |
> |
/** |
657 |
> |
* toArray with incompatible array type throws CCE |
658 |
> |
*/ |
659 |
> |
public void testToArray1_BadArg() { |
660 |
> |
try { |
661 |
> |
ArrayBlockingQueue q = populatedQueue(SIZE); |
662 |
> |
Object o[] = q.toArray(new String[10] ); |
663 |
> |
shouldThrow(); |
664 |
> |
} catch (ArrayStoreException success) {} |
665 |
|
} |
666 |
< |
|
666 |
> |
|
667 |
> |
|
668 |
|
/** |
669 |
< |
* |
669 |
> |
* iterator iterates through all elements |
670 |
|
*/ |
671 |
< |
public void testIterator() { |
671 |
> |
public void testIterator() throws InterruptedException { |
672 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
673 |
< |
Iterator it = q.iterator(); |
674 |
< |
try { |
675 |
< |
while(it.hasNext()){ |
676 |
< |
assertEquals(it.next(), q.take()); |
717 |
< |
} |
718 |
< |
} catch (InterruptedException e){ |
719 |
< |
unexpectedException(); |
720 |
< |
} |
673 |
> |
Iterator it = q.iterator(); |
674 |
> |
while (it.hasNext()) { |
675 |
> |
assertEquals(it.next(), q.take()); |
676 |
> |
} |
677 |
|
} |
678 |
|
|
679 |
|
/** |
680 |
< |
* |
680 |
> |
* iterator.remove removes current element |
681 |
> |
*/ |
682 |
> |
public void testIteratorRemove () { |
683 |
> |
final ArrayBlockingQueue q = new ArrayBlockingQueue(3); |
684 |
> |
q.add(two); |
685 |
> |
q.add(one); |
686 |
> |
q.add(three); |
687 |
> |
|
688 |
> |
Iterator it = q.iterator(); |
689 |
> |
it.next(); |
690 |
> |
it.remove(); |
691 |
> |
|
692 |
> |
it = q.iterator(); |
693 |
> |
assertEquals(it.next(), one); |
694 |
> |
assertEquals(it.next(), three); |
695 |
> |
assertFalse(it.hasNext()); |
696 |
> |
} |
697 |
> |
|
698 |
> |
/** |
699 |
> |
* iterator ordering is FIFO |
700 |
|
*/ |
701 |
|
public void testIteratorOrdering() { |
702 |
|
final ArrayBlockingQueue q = new ArrayBlockingQueue(3); |
715 |
|
} |
716 |
|
|
717 |
|
/** |
718 |
< |
* |
718 |
> |
* Modifications do not cause iterators to fail |
719 |
|
*/ |
720 |
|
public void testWeaklyConsistentIteration () { |
721 |
|
final ArrayBlockingQueue q = new ArrayBlockingQueue(3); |
722 |
|
q.add(one); |
723 |
|
q.add(two); |
724 |
|
q.add(three); |
725 |
< |
try { |
726 |
< |
for (Iterator it = q.iterator(); it.hasNext();) { |
727 |
< |
q.remove(); |
753 |
< |
it.next(); |
754 |
< |
} |
755 |
< |
} |
756 |
< |
catch (ConcurrentModificationException e) { |
757 |
< |
unexpectedException(); |
725 |
> |
for (Iterator it = q.iterator(); it.hasNext();) { |
726 |
> |
q.remove(); |
727 |
> |
it.next(); |
728 |
|
} |
759 |
– |
|
729 |
|
assertEquals(0, q.size()); |
730 |
|
} |
731 |
|
|
732 |
|
|
733 |
|
/** |
734 |
< |
* |
734 |
> |
* toString contains toStrings of elements |
735 |
|
*/ |
736 |
|
public void testToString() { |
737 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
739 |
|
for (int i = 0; i < SIZE; ++i) { |
740 |
|
assertTrue(s.indexOf(String.valueOf(i)) >= 0); |
741 |
|
} |
742 |
< |
} |
742 |
> |
} |
743 |
|
|
744 |
|
|
745 |
|
/** |
746 |
< |
* |
746 |
> |
* offer transfers elements across Executor tasks |
747 |
|
*/ |
748 |
|
public void testOfferInExecutor() { |
780 |
– |
|
749 |
|
final ArrayBlockingQueue q = new ArrayBlockingQueue(2); |
782 |
– |
|
750 |
|
q.add(one); |
751 |
|
q.add(two); |
785 |
– |
|
752 |
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
753 |
< |
|
754 |
< |
executor.execute(new Runnable() { |
789 |
< |
public void run() { |
753 |
> |
executor.execute(new CheckedRunnable() { |
754 |
> |
public void realRun() throws InterruptedException { |
755 |
|
threadAssertFalse(q.offer(three)); |
756 |
< |
try { |
757 |
< |
threadAssertTrue(q.offer(three, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS)); |
758 |
< |
threadAssertEquals(0, q.remainingCapacity()); |
759 |
< |
} |
760 |
< |
catch (InterruptedException e) { |
761 |
< |
threadUnexpectedException(); |
762 |
< |
} |
763 |
< |
} |
764 |
< |
}); |
756 |
> |
threadAssertTrue(q.offer(three, MEDIUM_DELAY_MS, MILLISECONDS)); |
757 |
> |
threadAssertEquals(0, q.remainingCapacity()); |
758 |
> |
}}); |
759 |
> |
|
760 |
> |
executor.execute(new CheckedRunnable() { |
761 |
> |
public void realRun() throws InterruptedException { |
762 |
> |
Thread.sleep(SMALL_DELAY_MS); |
763 |
> |
threadAssertEquals(one, q.take()); |
764 |
> |
}}); |
765 |
|
|
801 |
– |
executor.execute(new Runnable() { |
802 |
– |
public void run() { |
803 |
– |
try { |
804 |
– |
Thread.sleep(SMALL_DELAY_MS); |
805 |
– |
threadAssertEquals(one, q.take()); |
806 |
– |
} |
807 |
– |
catch (InterruptedException e) { |
808 |
– |
threadUnexpectedException(); |
809 |
– |
} |
810 |
– |
} |
811 |
– |
}); |
812 |
– |
|
766 |
|
joinPool(executor); |
767 |
|
|
768 |
|
} |
769 |
|
|
770 |
|
/** |
771 |
< |
* |
771 |
> |
* poll retrieves elements across Executor threads |
772 |
|
*/ |
773 |
|
public void testPollInExecutor() { |
821 |
– |
|
774 |
|
final ArrayBlockingQueue q = new ArrayBlockingQueue(2); |
823 |
– |
|
775 |
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
776 |
< |
|
777 |
< |
executor.execute(new Runnable() { |
827 |
< |
public void run() { |
776 |
> |
executor.execute(new CheckedRunnable() { |
777 |
> |
public void realRun() throws InterruptedException { |
778 |
|
threadAssertNull(q.poll()); |
779 |
< |
try { |
780 |
< |
threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS)); |
781 |
< |
threadAssertTrue(q.isEmpty()); |
782 |
< |
} |
783 |
< |
catch (InterruptedException e) { |
784 |
< |
threadUnexpectedException(); |
785 |
< |
} |
786 |
< |
} |
787 |
< |
}); |
779 |
> |
threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, MILLISECONDS)); |
780 |
> |
threadAssertTrue(q.isEmpty()); |
781 |
> |
}}); |
782 |
> |
|
783 |
> |
executor.execute(new CheckedRunnable() { |
784 |
> |
public void realRun() throws InterruptedException { |
785 |
> |
Thread.sleep(SMALL_DELAY_MS); |
786 |
> |
q.put(one); |
787 |
> |
}}); |
788 |
|
|
839 |
– |
executor.execute(new Runnable() { |
840 |
– |
public void run() { |
841 |
– |
try { |
842 |
– |
Thread.sleep(SMALL_DELAY_MS); |
843 |
– |
q.put(one); |
844 |
– |
} |
845 |
– |
catch (InterruptedException e) { |
846 |
– |
threadUnexpectedException(); |
847 |
– |
} |
848 |
– |
} |
849 |
– |
}); |
850 |
– |
|
789 |
|
joinPool(executor); |
790 |
+ |
} |
791 |
+ |
|
792 |
+ |
/** |
793 |
+ |
* A deserialized serialized queue has same elements in same order |
794 |
+ |
*/ |
795 |
+ |
public void testSerialization() throws Exception { |
796 |
+ |
ArrayBlockingQueue q = populatedQueue(SIZE); |
797 |
+ |
|
798 |
+ |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
799 |
+ |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
800 |
+ |
out.writeObject(q); |
801 |
+ |
out.close(); |
802 |
|
|
803 |
+ |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
804 |
+ |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
805 |
+ |
ArrayBlockingQueue r = (ArrayBlockingQueue)in.readObject(); |
806 |
+ |
assertEquals(q.size(), r.size()); |
807 |
+ |
while (!q.isEmpty()) |
808 |
+ |
assertEquals(q.remove(), r.remove()); |
809 |
|
} |
810 |
|
|
811 |
|
/** |
812 |
< |
* |
812 |
> |
* drainTo(null) throws NPE |
813 |
|
*/ |
814 |
< |
public void testSerialization() { |
814 |
> |
public void testDrainToNull() { |
815 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
816 |
+ |
try { |
817 |
+ |
q.drainTo(null); |
818 |
+ |
shouldThrow(); |
819 |
+ |
} catch (NullPointerException success) {} |
820 |
+ |
} |
821 |
|
|
822 |
+ |
/** |
823 |
+ |
* drainTo(this) throws IAE |
824 |
+ |
*/ |
825 |
+ |
public void testDrainToSelf() { |
826 |
+ |
ArrayBlockingQueue q = populatedQueue(SIZE); |
827 |
|
try { |
828 |
< |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
829 |
< |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
830 |
< |
out.writeObject(q); |
831 |
< |
out.close(); |
828 |
> |
q.drainTo(q); |
829 |
> |
shouldThrow(); |
830 |
> |
} catch (IllegalArgumentException success) {} |
831 |
> |
} |
832 |
|
|
833 |
< |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
834 |
< |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
835 |
< |
ArrayBlockingQueue r = (ArrayBlockingQueue)in.readObject(); |
836 |
< |
assertEquals(q.size(), r.size()); |
837 |
< |
while (!q.isEmpty()) |
838 |
< |
assertEquals(q.remove(), r.remove()); |
839 |
< |
} catch(Exception e){ |
840 |
< |
unexpectedException(); |
841 |
< |
} |
833 |
> |
/** |
834 |
> |
* drainTo(c) empties queue into another collection c |
835 |
> |
*/ |
836 |
> |
public void testDrainTo() { |
837 |
> |
ArrayBlockingQueue q = populatedQueue(SIZE); |
838 |
> |
ArrayList l = new ArrayList(); |
839 |
> |
q.drainTo(l); |
840 |
> |
assertEquals(q.size(), 0); |
841 |
> |
assertEquals(l.size(), SIZE); |
842 |
> |
for (int i = 0; i < SIZE; ++i) |
843 |
> |
assertEquals(l.get(i), new Integer(i)); |
844 |
> |
q.add(zero); |
845 |
> |
q.add(one); |
846 |
> |
assertFalse(q.isEmpty()); |
847 |
> |
assertTrue(q.contains(zero)); |
848 |
> |
assertTrue(q.contains(one)); |
849 |
> |
l.clear(); |
850 |
> |
q.drainTo(l); |
851 |
> |
assertEquals(q.size(), 0); |
852 |
> |
assertEquals(l.size(), 2); |
853 |
> |
for (int i = 0; i < 2; ++i) |
854 |
> |
assertEquals(l.get(i), new Integer(i)); |
855 |
> |
} |
856 |
> |
|
857 |
> |
/** |
858 |
> |
* drainTo empties full queue, unblocking a waiting put. |
859 |
> |
*/ |
860 |
> |
public void testDrainToWithActivePut() throws InterruptedException { |
861 |
> |
final ArrayBlockingQueue q = populatedQueue(SIZE); |
862 |
> |
Thread t = new Thread(new CheckedRunnable() { |
863 |
> |
public void realRun() throws InterruptedException { |
864 |
> |
q.put(new Integer(SIZE+1)); |
865 |
> |
}}); |
866 |
> |
|
867 |
> |
t.start(); |
868 |
> |
ArrayList l = new ArrayList(); |
869 |
> |
q.drainTo(l); |
870 |
> |
assertTrue(l.size() >= SIZE); |
871 |
> |
for (int i = 0; i < SIZE; ++i) |
872 |
> |
assertEquals(l.get(i), new Integer(i)); |
873 |
> |
t.join(); |
874 |
> |
assertTrue(q.size() + l.size() >= SIZE); |
875 |
|
} |
876 |
|
|
877 |
+ |
/** |
878 |
+ |
* drainTo(null, n) throws NPE |
879 |
+ |
*/ |
880 |
+ |
public void testDrainToNullN() { |
881 |
+ |
ArrayBlockingQueue q = populatedQueue(SIZE); |
882 |
+ |
try { |
883 |
+ |
q.drainTo(null, 0); |
884 |
+ |
shouldThrow(); |
885 |
+ |
} catch (NullPointerException success) {} |
886 |
+ |
} |
887 |
+ |
|
888 |
+ |
/** |
889 |
+ |
* drainTo(this, n) throws IAE |
890 |
+ |
*/ |
891 |
+ |
public void testDrainToSelfN() { |
892 |
+ |
ArrayBlockingQueue q = populatedQueue(SIZE); |
893 |
+ |
try { |
894 |
+ |
q.drainTo(q, 0); |
895 |
+ |
shouldThrow(); |
896 |
+ |
} catch (IllegalArgumentException success) {} |
897 |
+ |
} |
898 |
+ |
|
899 |
+ |
/** |
900 |
+ |
* drainTo(c, n) empties first max {n, size} elements of queue into c |
901 |
+ |
*/ |
902 |
+ |
public void testDrainToN() { |
903 |
+ |
ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE*2); |
904 |
+ |
for (int i = 0; i < SIZE + 2; ++i) { |
905 |
+ |
for (int j = 0; j < SIZE; j++) |
906 |
+ |
assertTrue(q.offer(new Integer(j))); |
907 |
+ |
ArrayList l = new ArrayList(); |
908 |
+ |
q.drainTo(l, i); |
909 |
+ |
int k = (i < SIZE)? i : SIZE; |
910 |
+ |
assertEquals(l.size(), k); |
911 |
+ |
assertEquals(q.size(), SIZE-k); |
912 |
+ |
for (int j = 0; j < k; ++j) |
913 |
+ |
assertEquals(l.get(j), new Integer(j)); |
914 |
+ |
while (q.poll() != null) ; |
915 |
+ |
} |
916 |
+ |
} |
917 |
|
|
918 |
|
} |