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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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} |
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|
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/** |
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* Constructor throws IAE if capacity argument nonpositive |
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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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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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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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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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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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* 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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* 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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* add succeeds if not full; throws ISE if full |
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*/ |
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public void testAdd() { |
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try { |
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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)); |
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} catch (IllegalStateException success){ |
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} |
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shouldThrow(); |
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} catch (IllegalStateException success) {} |
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} |
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|
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/** |
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ArrayBlockingQueue q = new ArrayBlockingQueue(1); |
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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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/** |
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* addAll(this) throws IAE |
206 |
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*/ |
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public void testAddAllSelf() { |
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try { |
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ArrayBlockingQueue q = populatedQueue(SIZE); |
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q.addAll(q); |
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shouldThrow(); |
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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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* addAll of a collection with null elements throws NPE |
218 |
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*/ |
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Integer[] ints = new Integer[SIZE]; |
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q.addAll(Arrays.asList(ints)); |
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shouldThrow(); |
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} |
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catch (NullPointerException success) {} |
225 |
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} catch (NullPointerException success) {} |
226 |
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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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ints[i] = new Integer(i); |
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q.addAll(Arrays.asList(ints)); |
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shouldThrow(); |
239 |
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} |
224 |
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catch (NullPointerException success) {} |
239 |
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} catch (NullPointerException success) {} |
240 |
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} |
241 |
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/** |
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* addAll throws ISE if not enough room |
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ints[i] = new Integer(i); |
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q.addAll(Arrays.asList(ints)); |
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shouldThrow(); |
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} |
238 |
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catch (IllegalStateException success) {} |
252 |
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} catch (IllegalStateException success) {} |
253 |
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} |
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/** |
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* Queue contains all elements, in traversal order, of successful addAll |
256 |
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*/ |
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public void testAddAll5() { |
258 |
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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 |
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ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
264 |
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assertFalse(q.addAll(Arrays.asList(empty))); |
265 |
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assertTrue(q.addAll(Arrays.asList(ints))); |
266 |
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for (int i = 0; i < SIZE; ++i) |
253 |
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assertEquals(ints[i], q.poll()); |
254 |
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} |
255 |
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finally {} |
258 |
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Integer[] empty = new Integer[0]; |
259 |
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Integer[] ints = new Integer[SIZE]; |
260 |
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for (int i = 0; i < SIZE; ++i) |
261 |
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ints[i] = new Integer(i); |
262 |
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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 |
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assertEquals(ints[i], q.poll()); |
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} |
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|
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/** |
270 |
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* put(null) throws NPE |
271 |
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*/ |
272 |
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public void testPutNull() { |
273 |
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try { |
272 |
> |
public void testPutNull() throws InterruptedException { |
273 |
> |
try { |
274 |
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ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
275 |
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q.put(null); |
276 |
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shouldThrow(); |
277 |
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} |
267 |
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catch (NullPointerException success){ |
268 |
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} |
269 |
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catch (InterruptedException ie) { |
270 |
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unexpectedException(); |
271 |
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} |
277 |
> |
} catch (NullPointerException success) {} |
278 |
|
} |
279 |
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|
280 |
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/** |
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 |
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} |
287 |
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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 |
|
* put blocks interruptibly if full |
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 |
< |
} |
296 |
> |
public void testBlockingPut() throws InterruptedException { |
297 |
> |
final ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
298 |
> |
Thread t = new Thread(new CheckedRunnable() { |
299 |
> |
public void realRun() throws InterruptedException { |
300 |
> |
for (int i = 0; i < SIZE; ++i) |
301 |
> |
q.put(i); |
302 |
> |
assertEquals(SIZE, q.size()); |
303 |
> |
assertEquals(0, q.remainingCapacity()); |
304 |
> |
try { |
305 |
> |
q.put(99); |
306 |
> |
shouldThrow(); |
307 |
> |
} catch (InterruptedException success) {} |
308 |
> |
}}); |
309 |
> |
|
310 |
> |
t.start(); |
311 |
> |
Thread.sleep(SHORT_DELAY_MS); |
312 |
> |
t.interrupt(); |
313 |
> |
t.join(); |
314 |
> |
assertEquals(SIZE, q.size()); |
315 |
> |
assertEquals(0, q.remainingCapacity()); |
316 |
|
} |
317 |
|
|
318 |
|
/** |
319 |
|
* put blocks waiting for take when full |
320 |
|
*/ |
321 |
< |
public void testPutWithTake() { |
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 { |
346 |
< |
t.start(); |
347 |
< |
Thread.sleep(SHORT_DELAY_MS); |
348 |
< |
q.take(); |
349 |
< |
t.interrupt(); |
350 |
< |
t.join(); |
351 |
< |
} catch (Exception e){ |
352 |
< |
unexpectedException(); |
353 |
< |
} |
321 |
> |
public void testPutWithTake() throws InterruptedException { |
322 |
> |
final int capacity = 2; |
323 |
> |
final ArrayBlockingQueue q = new ArrayBlockingQueue(capacity); |
324 |
> |
Thread t = new Thread(new CheckedRunnable() { |
325 |
> |
public void realRun() throws InterruptedException { |
326 |
> |
for (int i = 0; i < capacity + 1; i++) |
327 |
> |
q.put(i); |
328 |
> |
try { |
329 |
> |
q.put(99); |
330 |
> |
shouldThrow(); |
331 |
> |
} catch (InterruptedException success) {} |
332 |
> |
}}); |
333 |
> |
|
334 |
> |
t.start(); |
335 |
> |
Thread.sleep(SHORT_DELAY_MS); |
336 |
> |
assertEquals(q.remainingCapacity(), 0); |
337 |
> |
assertEquals(0, q.take()); |
338 |
> |
Thread.sleep(SHORT_DELAY_MS); |
339 |
> |
t.interrupt(); |
340 |
> |
t.join(); |
341 |
> |
assertEquals(q.remainingCapacity(), 0); |
342 |
|
} |
343 |
|
|
344 |
|
/** |
345 |
|
* timed offer times out if full and elements not taken |
346 |
|
*/ |
347 |
< |
public void testTimedOffer() { |
347 |
> |
public void testTimedOffer() throws InterruptedException { |
348 |
|
final ArrayBlockingQueue q = new ArrayBlockingQueue(2); |
349 |
< |
Thread t = new Thread(new Runnable() { |
350 |
< |
public void run() { |
351 |
< |
try { |
352 |
< |
q.put(new Object()); |
353 |
< |
q.put(new Object()); |
354 |
< |
threadAssertFalse(q.offer(new Object(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS)); |
355 |
< |
q.offer(new Object(), LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
356 |
< |
threadShouldThrow(); |
357 |
< |
} catch (InterruptedException success){} |
358 |
< |
} |
359 |
< |
}); |
360 |
< |
|
361 |
< |
try { |
362 |
< |
t.start(); |
363 |
< |
Thread.sleep(SHORT_DELAY_MS); |
376 |
< |
t.interrupt(); |
377 |
< |
t.join(); |
378 |
< |
} catch (Exception e){ |
379 |
< |
unexpectedException(); |
380 |
< |
} |
349 |
> |
Thread t = new Thread(new CheckedRunnable() { |
350 |
> |
public void realRun() throws InterruptedException { |
351 |
> |
q.put(new Object()); |
352 |
> |
q.put(new Object()); |
353 |
> |
assertFalse(q.offer(new Object(), SHORT_DELAY_MS/2, MILLISECONDS)); |
354 |
> |
try { |
355 |
> |
q.offer(new Object(), LONG_DELAY_MS, MILLISECONDS); |
356 |
> |
shouldThrow(); |
357 |
> |
} catch (InterruptedException success) {} |
358 |
> |
}}); |
359 |
> |
|
360 |
> |
t.start(); |
361 |
> |
Thread.sleep(SHORT_DELAY_MS); |
362 |
> |
t.interrupt(); |
363 |
> |
t.join(); |
364 |
|
} |
365 |
|
|
366 |
|
/** |
367 |
|
* take retrieves elements in FIFO order |
368 |
|
*/ |
369 |
< |
public void testTake() { |
370 |
< |
try { |
371 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
372 |
< |
for (int i = 0; i < SIZE; ++i) { |
373 |
< |
assertEquals(i, ((Integer)q.take()).intValue()); |
391 |
< |
} |
392 |
< |
} catch (InterruptedException e){ |
393 |
< |
unexpectedException(); |
394 |
< |
} |
369 |
> |
public void testTake() throws InterruptedException { |
370 |
> |
ArrayBlockingQueue q = populatedQueue(SIZE); |
371 |
> |
for (int i = 0; i < SIZE; ++i) { |
372 |
> |
assertEquals(i, q.take()); |
373 |
> |
} |
374 |
|
} |
375 |
|
|
376 |
|
/** |
377 |
|
* take blocks interruptibly when empty |
378 |
|
*/ |
379 |
< |
public void testTakeFromEmpty() { |
379 |
> |
public void testTakeFromEmpty() throws InterruptedException { |
380 |
|
final ArrayBlockingQueue q = new ArrayBlockingQueue(2); |
381 |
< |
Thread t = new Thread(new Runnable() { |
382 |
< |
public void run() { |
383 |
< |
try { |
384 |
< |
q.take(); |
385 |
< |
threadShouldThrow(); |
386 |
< |
} catch (InterruptedException success){ } |
387 |
< |
} |
388 |
< |
}); |
389 |
< |
try { |
411 |
< |
t.start(); |
412 |
< |
Thread.sleep(SHORT_DELAY_MS); |
413 |
< |
t.interrupt(); |
414 |
< |
t.join(); |
415 |
< |
} catch (Exception e){ |
416 |
< |
unexpectedException(); |
417 |
< |
} |
381 |
> |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
382 |
> |
public void realRun() throws InterruptedException { |
383 |
> |
q.take(); |
384 |
> |
}}; |
385 |
> |
|
386 |
> |
t.start(); |
387 |
> |
Thread.sleep(SHORT_DELAY_MS); |
388 |
> |
t.interrupt(); |
389 |
> |
t.join(); |
390 |
|
} |
391 |
|
|
392 |
|
/** |
393 |
|
* Take removes existing elements until empty, then blocks interruptibly |
394 |
|
*/ |
395 |
< |
public void testBlockingTake() { |
396 |
< |
Thread t = new Thread(new Runnable() { |
397 |
< |
public void run() { |
398 |
< |
try { |
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 |
< |
threadShouldThrow(); |
405 |
< |
} catch (InterruptedException success){ |
406 |
< |
} |
407 |
< |
}}); |
408 |
< |
try { |
409 |
< |
t.start(); |
410 |
< |
Thread.sleep(SHORT_DELAY_MS); |
411 |
< |
t.interrupt(); |
440 |
< |
t.join(); |
441 |
< |
} |
442 |
< |
catch (InterruptedException ie) { |
443 |
< |
unexpectedException(); |
444 |
< |
} |
395 |
> |
public void testBlockingTake() throws InterruptedException { |
396 |
> |
final ArrayBlockingQueue q = populatedQueue(SIZE); |
397 |
> |
Thread t = new Thread(new CheckedRunnable() { |
398 |
> |
public void realRun() throws InterruptedException { |
399 |
> |
for (int i = 0; i < SIZE; ++i) { |
400 |
> |
assertEquals(i, q.take()); |
401 |
> |
} |
402 |
> |
try { |
403 |
> |
q.take(); |
404 |
> |
shouldThrow(); |
405 |
> |
} catch (InterruptedException success) {} |
406 |
> |
}}); |
407 |
> |
|
408 |
> |
t.start(); |
409 |
> |
Thread.sleep(SHORT_DELAY_MS); |
410 |
> |
t.interrupt(); |
411 |
> |
t.join(); |
412 |
|
} |
413 |
|
|
414 |
|
|
418 |
|
public void testPoll() { |
419 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
420 |
|
for (int i = 0; i < SIZE; ++i) { |
421 |
< |
assertEquals(i, ((Integer)q.poll()).intValue()); |
421 |
> |
assertEquals(i, q.poll()); |
422 |
|
} |
423 |
< |
assertNull(q.poll()); |
423 |
> |
assertNull(q.poll()); |
424 |
|
} |
425 |
|
|
426 |
|
/** |
427 |
|
* timed pool with zero timeout succeeds when non-empty, else times out |
428 |
|
*/ |
429 |
< |
public void testTimedPoll0() { |
430 |
< |
try { |
431 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
432 |
< |
for (int i = 0; i < SIZE; ++i) { |
433 |
< |
assertEquals(i, ((Integer)q.poll(0, TimeUnit.MILLISECONDS)).intValue()); |
434 |
< |
} |
468 |
< |
assertNull(q.poll(0, TimeUnit.MILLISECONDS)); |
469 |
< |
} catch (InterruptedException e){ |
470 |
< |
unexpectedException(); |
471 |
< |
} |
429 |
> |
public void testTimedPoll0() throws InterruptedException { |
430 |
> |
ArrayBlockingQueue q = populatedQueue(SIZE); |
431 |
> |
for (int i = 0; i < SIZE; ++i) { |
432 |
> |
assertEquals(i, q.poll(0, MILLISECONDS)); |
433 |
> |
} |
434 |
> |
assertNull(q.poll(0, MILLISECONDS)); |
435 |
|
} |
436 |
|
|
437 |
|
/** |
438 |
|
* timed pool with nonzero timeout succeeds when non-empty, else times out |
439 |
|
*/ |
440 |
< |
public void testTimedPoll() { |
441 |
< |
try { |
442 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
443 |
< |
for (int i = 0; i < SIZE; ++i) { |
444 |
< |
assertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)).intValue()); |
445 |
< |
} |
483 |
< |
assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
484 |
< |
} catch (InterruptedException e){ |
485 |
< |
unexpectedException(); |
486 |
< |
} |
440 |
> |
public void testTimedPoll() throws InterruptedException { |
441 |
> |
ArrayBlockingQueue q = populatedQueue(SIZE); |
442 |
> |
for (int i = 0; i < SIZE; ++i) { |
443 |
> |
assertEquals(i, q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
444 |
> |
} |
445 |
> |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
446 |
|
} |
447 |
|
|
448 |
|
/** |
449 |
|
* Interrupted timed poll throws InterruptedException instead of |
450 |
|
* returning timeout status |
451 |
|
*/ |
452 |
< |
public void testInterruptedTimedPoll() { |
453 |
< |
Thread t = new Thread(new Runnable() { |
454 |
< |
public void run() { |
455 |
< |
try { |
456 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
457 |
< |
for (int i = 0; i < SIZE; ++i) { |
458 |
< |
threadAssertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)).intValue()); |
459 |
< |
} |
460 |
< |
threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
461 |
< |
} catch (InterruptedException success){ |
462 |
< |
} |
463 |
< |
}}); |
464 |
< |
try { |
465 |
< |
t.start(); |
466 |
< |
Thread.sleep(SHORT_DELAY_MS); |
467 |
< |
t.interrupt(); |
468 |
< |
t.join(); |
510 |
< |
} |
511 |
< |
catch (InterruptedException ie) { |
512 |
< |
unexpectedException(); |
513 |
< |
} |
452 |
> |
public void testInterruptedTimedPoll() throws InterruptedException { |
453 |
> |
Thread t = new Thread(new CheckedRunnable() { |
454 |
> |
public void realRun() throws InterruptedException { |
455 |
> |
ArrayBlockingQueue q = populatedQueue(SIZE); |
456 |
> |
for (int i = 0; i < SIZE; ++i) { |
457 |
> |
assertEquals(i, q.poll(SHORT_DELAY_MS, MILLISECONDS));; |
458 |
> |
} |
459 |
> |
try { |
460 |
> |
q.poll(SMALL_DELAY_MS, MILLISECONDS); |
461 |
> |
shouldThrow(); |
462 |
> |
} catch (InterruptedException success) {} |
463 |
> |
}}); |
464 |
> |
|
465 |
> |
t.start(); |
466 |
> |
Thread.sleep(SHORT_DELAY_MS); |
467 |
> |
t.interrupt(); |
468 |
> |
t.join(); |
469 |
|
} |
470 |
|
|
471 |
|
/** |
472 |
|
* timed poll before a delayed offer fails; after offer succeeds; |
473 |
|
* on interruption throws |
474 |
|
*/ |
475 |
< |
public void testTimedPollWithOffer() { |
475 |
> |
public void testTimedPollWithOffer() throws InterruptedException { |
476 |
|
final ArrayBlockingQueue q = new ArrayBlockingQueue(2); |
477 |
< |
Thread t = new Thread(new Runnable() { |
478 |
< |
public void run() { |
479 |
< |
try { |
480 |
< |
threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
481 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
482 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
483 |
< |
threadShouldThrow(); |
484 |
< |
} catch (InterruptedException success) { } |
485 |
< |
} |
486 |
< |
}); |
487 |
< |
try { |
488 |
< |
t.start(); |
489 |
< |
Thread.sleep(SMALL_DELAY_MS); |
490 |
< |
assertTrue(q.offer(zero, SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
491 |
< |
t.interrupt(); |
492 |
< |
t.join(); |
538 |
< |
} catch (Exception e){ |
539 |
< |
unexpectedException(); |
540 |
< |
} |
541 |
< |
} |
477 |
> |
Thread t = new Thread(new CheckedRunnable() { |
478 |
> |
public void realRun() throws InterruptedException { |
479 |
> |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
480 |
> |
assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
481 |
> |
try { |
482 |
> |
q.poll(LONG_DELAY_MS, MILLISECONDS); |
483 |
> |
shouldThrow(); |
484 |
> |
} catch (InterruptedException success) {} |
485 |
> |
}}); |
486 |
> |
|
487 |
> |
t.start(); |
488 |
> |
Thread.sleep(SMALL_DELAY_MS); |
489 |
> |
assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS)); |
490 |
> |
t.interrupt(); |
491 |
> |
t.join(); |
492 |
> |
} |
493 |
|
|
494 |
|
|
495 |
|
/** |
498 |
|
public void testPeek() { |
499 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
500 |
|
for (int i = 0; i < SIZE; ++i) { |
501 |
< |
assertEquals(i, ((Integer)q.peek()).intValue()); |
502 |
< |
q.poll(); |
501 |
> |
assertEquals(i, q.peek()); |
502 |
> |
assertEquals(i, q.poll()); |
503 |
|
assertTrue(q.peek() == null || |
504 |
< |
i != ((Integer)q.peek()).intValue()); |
504 |
> |
!q.peek().equals(i)); |
505 |
|
} |
506 |
< |
assertNull(q.peek()); |
506 |
> |
assertNull(q.peek()); |
507 |
|
} |
508 |
|
|
509 |
|
/** |
512 |
|
public void testElement() { |
513 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
514 |
|
for (int i = 0; i < SIZE; ++i) { |
515 |
< |
assertEquals(i, ((Integer)q.element()).intValue()); |
516 |
< |
q.poll(); |
515 |
> |
assertEquals(i, q.element()); |
516 |
> |
assertEquals(i, q.poll()); |
517 |
|
} |
518 |
|
try { |
519 |
|
q.element(); |
520 |
|
shouldThrow(); |
521 |
< |
} |
571 |
< |
catch (NoSuchElementException success) {} |
521 |
> |
} catch (NoSuchElementException success) {} |
522 |
|
} |
523 |
|
|
524 |
|
/** |
527 |
|
public void testRemove() { |
528 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
529 |
|
for (int i = 0; i < SIZE; ++i) { |
530 |
< |
assertEquals(i, ((Integer)q.remove()).intValue()); |
530 |
> |
assertEquals(i, q.remove()); |
531 |
|
} |
532 |
|
try { |
533 |
|
q.remove(); |
534 |
|
shouldThrow(); |
535 |
< |
} catch (NoSuchElementException success){ |
586 |
< |
} |
535 |
> |
} catch (NoSuchElementException success) {} |
536 |
|
} |
537 |
|
|
538 |
|
/** |
549 |
|
} |
550 |
|
assertTrue(q.isEmpty()); |
551 |
|
} |
552 |
< |
|
552 |
> |
|
553 |
|
/** |
554 |
|
* contains(x) reports true when elements added but not yet removed |
555 |
|
*/ |
557 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
558 |
|
for (int i = 0; i < SIZE; ++i) { |
559 |
|
assertTrue(q.contains(new Integer(i))); |
560 |
< |
q.poll(); |
560 |
> |
assertEquals(i, q.poll()); |
561 |
|
assertFalse(q.contains(new Integer(i))); |
562 |
|
} |
563 |
|
} |
573 |
|
assertEquals(SIZE, q.remainingCapacity()); |
574 |
|
q.add(one); |
575 |
|
assertFalse(q.isEmpty()); |
576 |
+ |
assertTrue(q.contains(one)); |
577 |
|
q.clear(); |
578 |
|
assertTrue(q.isEmpty()); |
579 |
|
} |
630 |
|
/** |
631 |
|
* toArray contains all elements |
632 |
|
*/ |
633 |
< |
public void testToArray() { |
633 |
> |
public void testToArray() throws InterruptedException { |
634 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
635 |
< |
Object[] o = q.toArray(); |
636 |
< |
try { |
637 |
< |
for(int i = 0; i < o.length; i++) |
688 |
< |
assertEquals(o[i], q.take()); |
689 |
< |
} catch (InterruptedException e){ |
690 |
< |
unexpectedException(); |
691 |
< |
} |
635 |
> |
Object[] o = q.toArray(); |
636 |
> |
for (int i = 0; i < o.length; i++) |
637 |
> |
assertEquals(o[i], q.take()); |
638 |
|
} |
639 |
|
|
640 |
|
/** |
641 |
|
* toArray(a) contains all elements |
642 |
|
*/ |
643 |
< |
public void testToArray2() { |
643 |
> |
public void testToArray2() throws InterruptedException { |
644 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
645 |
< |
Integer[] ints = new Integer[SIZE]; |
646 |
< |
ints = (Integer[])q.toArray(ints); |
647 |
< |
try { |
648 |
< |
for(int i = 0; i < ints.length; i++) |
703 |
< |
assertEquals(ints[i], q.take()); |
704 |
< |
} catch (InterruptedException e){ |
705 |
< |
unexpectedException(); |
706 |
< |
} |
645 |
> |
Integer[] ints = new Integer[SIZE]; |
646 |
> |
ints = (Integer[])q.toArray(ints); |
647 |
> |
for (int i = 0; i < ints.length; i++) |
648 |
> |
assertEquals(ints[i], q.take()); |
649 |
|
} |
650 |
< |
|
650 |
> |
|
651 |
> |
/** |
652 |
> |
* toArray(null) throws NPE |
653 |
> |
*/ |
654 |
> |
public void testToArray_BadArg() { |
655 |
> |
ArrayBlockingQueue q = populatedQueue(SIZE); |
656 |
> |
try { |
657 |
> |
Object o[] = q.toArray(null); |
658 |
> |
shouldThrow(); |
659 |
> |
} catch (NullPointerException success) {} |
660 |
> |
} |
661 |
> |
|
662 |
> |
/** |
663 |
> |
* toArray with incompatible array type throws CCE |
664 |
> |
*/ |
665 |
> |
public void testToArray1_BadArg() { |
666 |
> |
ArrayBlockingQueue q = populatedQueue(SIZE); |
667 |
> |
try { |
668 |
> |
Object o[] = q.toArray(new String[10]); |
669 |
> |
shouldThrow(); |
670 |
> |
} catch (ArrayStoreException success) {} |
671 |
> |
} |
672 |
> |
|
673 |
> |
|
674 |
|
/** |
675 |
|
* iterator iterates through all elements |
676 |
|
*/ |
677 |
< |
public void testIterator() { |
677 |
> |
public void testIterator() throws InterruptedException { |
678 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
679 |
< |
Iterator it = q.iterator(); |
680 |
< |
try { |
681 |
< |
while(it.hasNext()){ |
682 |
< |
assertEquals(it.next(), q.take()); |
718 |
< |
} |
719 |
< |
} catch (InterruptedException e){ |
720 |
< |
unexpectedException(); |
721 |
< |
} |
679 |
> |
Iterator it = q.iterator(); |
680 |
> |
while (it.hasNext()) { |
681 |
> |
assertEquals(it.next(), q.take()); |
682 |
> |
} |
683 |
|
} |
684 |
|
|
685 |
|
/** |
694 |
|
Iterator it = q.iterator(); |
695 |
|
it.next(); |
696 |
|
it.remove(); |
697 |
< |
|
697 |
> |
|
698 |
|
it = q.iterator(); |
699 |
|
assertEquals(it.next(), one); |
700 |
|
assertEquals(it.next(), three); |
714 |
|
|
715 |
|
int k = 0; |
716 |
|
for (Iterator it = q.iterator(); it.hasNext();) { |
717 |
< |
int i = ((Integer)(it.next())).intValue(); |
757 |
< |
assertEquals(++k, i); |
717 |
> |
assertEquals(++k, it.next()); |
718 |
|
} |
719 |
|
assertEquals(3, k); |
720 |
|
} |
727 |
|
q.add(one); |
728 |
|
q.add(two); |
729 |
|
q.add(three); |
730 |
< |
try { |
731 |
< |
for (Iterator it = q.iterator(); it.hasNext();) { |
732 |
< |
q.remove(); |
773 |
< |
it.next(); |
774 |
< |
} |
775 |
< |
} |
776 |
< |
catch (ConcurrentModificationException e) { |
777 |
< |
unexpectedException(); |
730 |
> |
for (Iterator it = q.iterator(); it.hasNext();) { |
731 |
> |
q.remove(); |
732 |
> |
it.next(); |
733 |
|
} |
734 |
|
assertEquals(0, q.size()); |
735 |
|
} |
744 |
|
for (int i = 0; i < SIZE; ++i) { |
745 |
|
assertTrue(s.indexOf(String.valueOf(i)) >= 0); |
746 |
|
} |
747 |
< |
} |
747 |
> |
} |
748 |
|
|
749 |
|
|
750 |
|
/** |
755 |
|
q.add(one); |
756 |
|
q.add(two); |
757 |
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
758 |
< |
executor.execute(new Runnable() { |
759 |
< |
public void run() { |
760 |
< |
threadAssertFalse(q.offer(three)); |
761 |
< |
try { |
762 |
< |
threadAssertTrue(q.offer(three, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS)); |
763 |
< |
threadAssertEquals(0, q.remainingCapacity()); |
764 |
< |
} |
765 |
< |
catch (InterruptedException e) { |
766 |
< |
threadUnexpectedException(); |
767 |
< |
} |
768 |
< |
} |
769 |
< |
}); |
758 |
> |
executor.execute(new CheckedRunnable() { |
759 |
> |
public void realRun() throws InterruptedException { |
760 |
> |
assertFalse(q.offer(three)); |
761 |
> |
assertTrue(q.offer(three, MEDIUM_DELAY_MS, MILLISECONDS)); |
762 |
> |
assertEquals(0, q.remainingCapacity()); |
763 |
> |
}}); |
764 |
> |
|
765 |
> |
executor.execute(new CheckedRunnable() { |
766 |
> |
public void realRun() throws InterruptedException { |
767 |
> |
Thread.sleep(SMALL_DELAY_MS); |
768 |
> |
assertSame(one, q.take()); |
769 |
> |
}}); |
770 |
|
|
816 |
– |
executor.execute(new Runnable() { |
817 |
– |
public void run() { |
818 |
– |
try { |
819 |
– |
Thread.sleep(SMALL_DELAY_MS); |
820 |
– |
threadAssertEquals(one, q.take()); |
821 |
– |
} |
822 |
– |
catch (InterruptedException e) { |
823 |
– |
threadUnexpectedException(); |
824 |
– |
} |
825 |
– |
} |
826 |
– |
}); |
827 |
– |
|
771 |
|
joinPool(executor); |
772 |
|
|
773 |
|
} |
778 |
|
public void testPollInExecutor() { |
779 |
|
final ArrayBlockingQueue q = new ArrayBlockingQueue(2); |
780 |
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
781 |
< |
executor.execute(new Runnable() { |
782 |
< |
public void run() { |
783 |
< |
threadAssertNull(q.poll()); |
784 |
< |
try { |
785 |
< |
threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS)); |
786 |
< |
threadAssertTrue(q.isEmpty()); |
787 |
< |
} |
788 |
< |
catch (InterruptedException e) { |
789 |
< |
threadUnexpectedException(); |
790 |
< |
} |
791 |
< |
} |
792 |
< |
}); |
781 |
> |
executor.execute(new CheckedRunnable() { |
782 |
> |
public void realRun() throws InterruptedException { |
783 |
> |
assertNull(q.poll()); |
784 |
> |
assertSame(one, q.poll(MEDIUM_DELAY_MS, MILLISECONDS)); |
785 |
> |
assertTrue(q.isEmpty()); |
786 |
> |
}}); |
787 |
> |
|
788 |
> |
executor.execute(new CheckedRunnable() { |
789 |
> |
public void realRun() throws InterruptedException { |
790 |
> |
Thread.sleep(SMALL_DELAY_MS); |
791 |
> |
q.put(one); |
792 |
> |
}}); |
793 |
|
|
851 |
– |
executor.execute(new Runnable() { |
852 |
– |
public void run() { |
853 |
– |
try { |
854 |
– |
Thread.sleep(SMALL_DELAY_MS); |
855 |
– |
q.put(one); |
856 |
– |
} |
857 |
– |
catch (InterruptedException e) { |
858 |
– |
threadUnexpectedException(); |
859 |
– |
} |
860 |
– |
} |
861 |
– |
}); |
862 |
– |
|
794 |
|
joinPool(executor); |
795 |
|
} |
796 |
|
|
797 |
|
/** |
798 |
|
* A deserialized serialized queue has same elements in same order |
799 |
|
*/ |
800 |
< |
public void testSerialization() { |
800 |
> |
public void testSerialization() throws Exception { |
801 |
|
ArrayBlockingQueue q = populatedQueue(SIZE); |
802 |
|
|
803 |
+ |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
804 |
+ |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
805 |
+ |
out.writeObject(q); |
806 |
+ |
out.close(); |
807 |
+ |
|
808 |
+ |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
809 |
+ |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
810 |
+ |
ArrayBlockingQueue r = (ArrayBlockingQueue)in.readObject(); |
811 |
+ |
assertEquals(q.size(), r.size()); |
812 |
+ |
while (!q.isEmpty()) |
813 |
+ |
assertEquals(q.remove(), r.remove()); |
814 |
+ |
} |
815 |
+ |
|
816 |
+ |
/** |
817 |
+ |
* drainTo(null) throws NPE |
818 |
+ |
*/ |
819 |
+ |
public void testDrainToNull() { |
820 |
+ |
ArrayBlockingQueue q = populatedQueue(SIZE); |
821 |
|
try { |
822 |
< |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
823 |
< |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
824 |
< |
out.writeObject(q); |
876 |
< |
out.close(); |
877 |
< |
|
878 |
< |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
879 |
< |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
880 |
< |
ArrayBlockingQueue r = (ArrayBlockingQueue)in.readObject(); |
881 |
< |
assertEquals(q.size(), r.size()); |
882 |
< |
while (!q.isEmpty()) |
883 |
< |
assertEquals(q.remove(), r.remove()); |
884 |
< |
} catch(Exception e){ |
885 |
< |
unexpectedException(); |
886 |
< |
} |
822 |
> |
q.drainTo(null); |
823 |
> |
shouldThrow(); |
824 |
> |
} catch (NullPointerException success) {} |
825 |
|
} |
826 |
|
|
827 |
+ |
/** |
828 |
+ |
* drainTo(this) throws IAE |
829 |
+ |
*/ |
830 |
+ |
public void testDrainToSelf() { |
831 |
+ |
ArrayBlockingQueue q = populatedQueue(SIZE); |
832 |
+ |
try { |
833 |
+ |
q.drainTo(q); |
834 |
+ |
shouldThrow(); |
835 |
+ |
} catch (IllegalArgumentException success) {} |
836 |
+ |
} |
837 |
+ |
|
838 |
+ |
/** |
839 |
+ |
* drainTo(c) empties queue into another collection c |
840 |
+ |
*/ |
841 |
+ |
public void testDrainTo() { |
842 |
+ |
ArrayBlockingQueue q = populatedQueue(SIZE); |
843 |
+ |
ArrayList l = new ArrayList(); |
844 |
+ |
q.drainTo(l); |
845 |
+ |
assertEquals(q.size(), 0); |
846 |
+ |
assertEquals(l.size(), SIZE); |
847 |
+ |
for (int i = 0; i < SIZE; ++i) |
848 |
+ |
assertEquals(l.get(i), new Integer(i)); |
849 |
+ |
q.add(zero); |
850 |
+ |
q.add(one); |
851 |
+ |
assertFalse(q.isEmpty()); |
852 |
+ |
assertTrue(q.contains(zero)); |
853 |
+ |
assertTrue(q.contains(one)); |
854 |
+ |
l.clear(); |
855 |
+ |
q.drainTo(l); |
856 |
+ |
assertEquals(q.size(), 0); |
857 |
+ |
assertEquals(l.size(), 2); |
858 |
+ |
for (int i = 0; i < 2; ++i) |
859 |
+ |
assertEquals(l.get(i), new Integer(i)); |
860 |
+ |
} |
861 |
+ |
|
862 |
+ |
/** |
863 |
+ |
* drainTo empties full queue, unblocking a waiting put. |
864 |
+ |
*/ |
865 |
+ |
public void testDrainToWithActivePut() throws InterruptedException { |
866 |
+ |
final ArrayBlockingQueue q = populatedQueue(SIZE); |
867 |
+ |
Thread t = new Thread(new CheckedRunnable() { |
868 |
+ |
public void realRun() throws InterruptedException { |
869 |
+ |
q.put(new Integer(SIZE+1)); |
870 |
+ |
}}); |
871 |
+ |
|
872 |
+ |
t.start(); |
873 |
+ |
ArrayList l = new ArrayList(); |
874 |
+ |
q.drainTo(l); |
875 |
+ |
assertTrue(l.size() >= SIZE); |
876 |
+ |
for (int i = 0; i < SIZE; ++i) |
877 |
+ |
assertEquals(l.get(i), new Integer(i)); |
878 |
+ |
t.join(); |
879 |
+ |
assertTrue(q.size() + l.size() >= SIZE); |
880 |
+ |
} |
881 |
+ |
|
882 |
+ |
/** |
883 |
+ |
* drainTo(null, n) throws NPE |
884 |
+ |
*/ |
885 |
+ |
public void testDrainToNullN() { |
886 |
+ |
ArrayBlockingQueue q = populatedQueue(SIZE); |
887 |
+ |
try { |
888 |
+ |
q.drainTo(null, 0); |
889 |
+ |
shouldThrow(); |
890 |
+ |
} catch (NullPointerException success) {} |
891 |
+ |
} |
892 |
+ |
|
893 |
+ |
/** |
894 |
+ |
* drainTo(this, n) throws IAE |
895 |
+ |
*/ |
896 |
+ |
public void testDrainToSelfN() { |
897 |
+ |
ArrayBlockingQueue q = populatedQueue(SIZE); |
898 |
+ |
try { |
899 |
+ |
q.drainTo(q, 0); |
900 |
+ |
shouldThrow(); |
901 |
+ |
} catch (IllegalArgumentException success) {} |
902 |
+ |
} |
903 |
+ |
|
904 |
+ |
/** |
905 |
+ |
* drainTo(c, n) empties first max {n, size} elements of queue into c |
906 |
+ |
*/ |
907 |
+ |
public void testDrainToN() { |
908 |
+ |
ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE*2); |
909 |
+ |
for (int i = 0; i < SIZE + 2; ++i) { |
910 |
+ |
for (int j = 0; j < SIZE; j++) |
911 |
+ |
assertTrue(q.offer(new Integer(j))); |
912 |
+ |
ArrayList l = new ArrayList(); |
913 |
+ |
q.drainTo(l, i); |
914 |
+ |
int k = (i < SIZE)? i : SIZE; |
915 |
+ |
assertEquals(l.size(), k); |
916 |
+ |
assertEquals(q.size(), SIZE-k); |
917 |
+ |
for (int j = 0; j < k; ++j) |
918 |
+ |
assertEquals(l.get(j), new Integer(j)); |
919 |
+ |
while (q.poll() != null) ; |
920 |
+ |
} |
921 |
+ |
} |
922 |
|
|
923 |
|
} |