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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include John Vint |
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*/ |
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import java.io.ObjectOutputStream; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.ConcurrentModificationException; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.NoSuchElementException; |
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import java.util.concurrent.*; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import static java.util.concurrent.TimeUnit.NANOSECONDS; |
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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|
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@SuppressWarnings({"unchecked", "rawtypes"}) |
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public class LinkedTransferQueueTest extends JSR166TestCase { |
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|
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public static class Generic extends BlockingQueueTest { |
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protected BlockingQueue emptyCollection() { |
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return new LinkedTransferQueue(); |
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} |
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} |
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|
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public static void main(String[] args) { |
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junit.textui.TestRunner.run(suite()); |
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} |
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|
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public static Test suite() { |
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return new TestSuite(LinkedTransferQueueTest.class); |
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return newTestSuite(LinkedTransferQueueTest.class, |
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new Generic().testSuite()); |
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} |
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|
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/** |
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* Constructor builds new queue with size being zero and empty being true |
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* Constructor builds new queue with size being zero and empty |
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* being true |
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*/ |
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public void testConstructor1() { |
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assertEquals(0, new LinkedTransferQueue().size()); |
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} |
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|
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/** |
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* Initizialing constructor with null collection throws NPE |
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* Initializing constructor with null collection throws |
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* NullPointerException |
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*/ |
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public void testConstructor2() { |
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try { |
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new LinkedTransferQueue(null); |
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shouldThrow(); |
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} catch (NullPointerException success) { |
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} |
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} catch (NullPointerException success) {} |
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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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* Initializing from Collection of null elements throws |
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* NullPointerException |
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*/ |
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public void testConstructor3() { |
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try { |
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Integer[] ints = new Integer[SIZE]; |
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LinkedTransferQueue q = new LinkedTransferQueue(Arrays.asList(ints)); |
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new LinkedTransferQueue(Arrays.asList(ints)); |
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shouldThrow(); |
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} catch (NullPointerException success) { |
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} |
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} catch (NullPointerException success) {} |
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} |
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|
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/** |
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* Initializing constructor with a collection containing some null elements |
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* throws NPE |
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* throws NullPointerException |
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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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for (int i = 0; i < SIZE - 1; ++i) { |
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ints[i] = new Integer(i); |
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ints[i] = i; |
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} |
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LinkedTransferQueue q = new LinkedTransferQueue(Arrays.asList(ints)); |
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new LinkedTransferQueue(Arrays.asList(ints)); |
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shouldThrow(); |
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} catch (NullPointerException success) { |
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} |
87 |
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} catch (NullPointerException success) {} |
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} |
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|
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/** |
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* Queue contains all elements of the collection it is initialized by |
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*/ |
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public void testConstructor5() { |
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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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} |
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LinkedTransferQueue q = new LinkedTransferQueue(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] = i; |
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} |
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List intList = Arrays.asList(ints); |
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LinkedTransferQueue q |
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= new LinkedTransferQueue(intList); |
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assertEquals(q.size(), intList.size()); |
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assertEquals(q.toString(), intList.toString()); |
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assertTrue(Arrays.equals(q.toArray(), |
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intList.toArray())); |
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assertTrue(Arrays.equals(q.toArray(new Object[0]), |
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intList.toArray(new Object[0]))); |
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assertTrue(Arrays.equals(q.toArray(new Object[SIZE]), |
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intList.toArray(new Object[SIZE]))); |
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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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* Remaining capacity never decrease nor increase on add or remove |
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* remainingCapacity() always returns Integer.MAX_VALUE |
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*/ |
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public void testRemainingCapacity() { |
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LinkedTransferQueue q = populatedQueue(SIZE); |
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int remainingCapacity = q.remainingCapacity(); |
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LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
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for (int i = 0; i < SIZE; ++i) { |
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assertEquals(remainingCapacity, q.remainingCapacity()); |
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assertEquals(Integer.MAX_VALUE, q.remainingCapacity()); |
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assertEquals(SIZE - i, q.size()); |
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q.remove(); |
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} |
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for (int i = 0; i < SIZE; ++i) { |
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assertEquals(remainingCapacity, q.remainingCapacity()); |
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assertEquals(Integer.MAX_VALUE, q.remainingCapacity()); |
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assertEquals(i, q.size()); |
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q.add(new Integer(i)); |
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q.add(i); |
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} |
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} |
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|
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/** |
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* offer(null) throws NPE |
132 |
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* offer(null) throws NullPointerException |
133 |
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*/ |
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public void testOfferNull() { |
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try { |
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LinkedTransferQueue q = new LinkedTransferQueue(); |
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q.offer(null); |
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shouldThrow(); |
139 |
< |
} catch (NullPointerException success) { |
124 |
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} |
139 |
> |
} catch (NullPointerException success) {} |
140 |
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} |
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|
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/** |
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* add(null) throws NPE |
143 |
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* add(null) throws NullPointerException |
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*/ |
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public void testAddNull() { |
146 |
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try { |
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LinkedTransferQueue q = new LinkedTransferQueue(); |
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q.add(null); |
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shouldThrow(); |
150 |
< |
} catch (NullPointerException success) { |
136 |
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} |
150 |
> |
} catch (NullPointerException success) {} |
151 |
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} |
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|
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/** |
154 |
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* addAll(null) throws NPE |
154 |
> |
* addAll(null) throws NullPointerException |
155 |
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*/ |
156 |
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public void testAddAll1() { |
157 |
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try { |
158 |
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LinkedTransferQueue q = new LinkedTransferQueue(); |
159 |
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q.addAll(null); |
160 |
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shouldThrow(); |
161 |
< |
} catch (NullPointerException success) { |
148 |
< |
} |
161 |
> |
} catch (NullPointerException success) {} |
162 |
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} |
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|
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/** |
165 |
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* addAll(this) throws IAE |
165 |
> |
* addAll(this) throws IllegalArgumentException |
166 |
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*/ |
167 |
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public void testAddAllSelf() { |
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try { |
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LinkedTransferQueue q = populatedQueue(SIZE); |
170 |
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q.addAll(q); |
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shouldThrow(); |
172 |
< |
} catch (IllegalArgumentException success) { |
160 |
< |
} |
172 |
> |
} catch (IllegalArgumentException success) {} |
173 |
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} |
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|
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/** |
176 |
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* addAll of a collection with null elements throws NPE |
176 |
> |
* addAll of a collection with null elements throws NullPointerException |
177 |
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*/ |
178 |
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public void testAddAll2() { |
179 |
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try { |
181 |
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Integer[] ints = new Integer[SIZE]; |
182 |
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q.addAll(Arrays.asList(ints)); |
183 |
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shouldThrow(); |
184 |
< |
} catch (NullPointerException success) { |
173 |
< |
} |
184 |
> |
} catch (NullPointerException success) {} |
185 |
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} |
186 |
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|
187 |
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/** |
188 |
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* addAll of a collection with any null elements throws NPE after |
189 |
< |
* possibly adding some elements |
188 |
> |
* addAll of a collection with any null elements throws |
189 |
> |
* NullPointerException after possibly adding some elements |
190 |
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*/ |
191 |
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public void testAddAll3() { |
192 |
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try { |
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LinkedTransferQueue q = new LinkedTransferQueue(); |
194 |
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Integer[] ints = new Integer[SIZE]; |
195 |
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for (int i = 0; i < SIZE - 1; ++i) { |
196 |
< |
ints[i] = new Integer(i); |
196 |
> |
ints[i] = i; |
197 |
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} |
198 |
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q.addAll(Arrays.asList(ints)); |
199 |
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shouldThrow(); |
200 |
< |
} catch (NullPointerException success) { |
190 |
< |
} |
200 |
> |
} catch (NullPointerException success) {} |
201 |
|
} |
202 |
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|
203 |
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/** |
204 |
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* Queue contains all elements, in traversal order, of successful addAll |
205 |
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*/ |
206 |
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public void testAddAll5() { |
207 |
< |
try { |
208 |
< |
Integer[] empty = new Integer[0]; |
209 |
< |
Integer[] ints = new Integer[SIZE]; |
210 |
< |
for (int i = 0; i < SIZE; ++i) { |
211 |
< |
ints[i] = new Integer(i); |
212 |
< |
} |
213 |
< |
LinkedTransferQueue q = new LinkedTransferQueue(); |
214 |
< |
assertFalse(q.addAll(Arrays.asList(empty))); |
215 |
< |
assertTrue(q.addAll(Arrays.asList(ints))); |
216 |
< |
for (int i = 0; i < SIZE; ++i) { |
207 |
< |
assertEquals(ints[i], q.poll()); |
208 |
< |
} |
209 |
< |
} finally { |
207 |
> |
Integer[] empty = new Integer[0]; |
208 |
> |
Integer[] ints = new Integer[SIZE]; |
209 |
> |
for (int i = 0; i < SIZE; ++i) { |
210 |
> |
ints[i] = i; |
211 |
> |
} |
212 |
> |
LinkedTransferQueue q = new LinkedTransferQueue(); |
213 |
> |
assertFalse(q.addAll(Arrays.asList(empty))); |
214 |
> |
assertTrue(q.addAll(Arrays.asList(ints))); |
215 |
> |
for (int i = 0; i < SIZE; ++i) { |
216 |
> |
assertEquals(ints[i], q.poll()); |
217 |
|
} |
218 |
|
} |
219 |
|
|
220 |
|
/** |
221 |
< |
* put(null) throws NPE |
221 |
> |
* put(null) throws NullPointerException |
222 |
|
*/ |
223 |
< |
public void testPutNull() { |
223 |
> |
public void testPutNull() throws InterruptedException { |
224 |
|
try { |
225 |
|
LinkedTransferQueue q = new LinkedTransferQueue(); |
226 |
|
q.put(null); |
227 |
|
shouldThrow(); |
228 |
< |
} catch (NullPointerException success) { |
222 |
< |
} catch (Exception ie) { |
223 |
< |
unexpectedException(); |
224 |
< |
} |
228 |
> |
} catch (NullPointerException success) {} |
229 |
|
} |
230 |
|
|
231 |
|
/** |
232 |
|
* all elements successfully put are contained |
233 |
|
*/ |
234 |
|
public void testPut() { |
235 |
< |
try { |
236 |
< |
LinkedTransferQueue q = new LinkedTransferQueue(); |
237 |
< |
for (int i = 0; i < SIZE; ++i) { |
238 |
< |
Integer I = new Integer(i); |
239 |
< |
q.put(I); |
236 |
< |
assertTrue(q.contains(I)); |
237 |
< |
} |
238 |
< |
} catch (Exception ie) { |
239 |
< |
unexpectedException(); |
235 |
> |
LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>(); |
236 |
> |
for (int i = 0; i < SIZE; ++i) { |
237 |
> |
assertEquals(q.size(), i); |
238 |
> |
q.put(i); |
239 |
> |
assertTrue(q.contains(i)); |
240 |
|
} |
241 |
|
} |
242 |
|
|
243 |
|
/** |
244 |
|
* take retrieves elements in FIFO order |
245 |
|
*/ |
246 |
< |
public void testTake() { |
247 |
< |
try { |
248 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
249 |
< |
for (int i = 0; i < SIZE; ++i) { |
250 |
< |
assertEquals(i, ((Integer) q.take()).intValue()); |
251 |
< |
} |
252 |
< |
} catch (InterruptedException e) { |
253 |
< |
unexpectedException(); |
246 |
> |
public void testTake() throws InterruptedException { |
247 |
> |
LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
248 |
> |
for (int i = 0; i < SIZE; ++i) { |
249 |
> |
assertEquals(i, (int) q.take()); |
250 |
|
} |
251 |
|
} |
252 |
|
|
253 |
|
/** |
254 |
< |
* take blocks interruptibly when empty |
254 |
> |
* take removes existing elements until empty, then blocks interruptibly |
255 |
|
*/ |
256 |
< |
public void testTakeFromEmpty() { |
257 |
< |
final LinkedTransferQueue q = new LinkedTransferQueue(); |
258 |
< |
Thread t = new Thread(new Runnable() { |
259 |
< |
|
260 |
< |
public void run() { |
261 |
< |
try { |
262 |
< |
q.take(); |
267 |
< |
threadShouldThrow(); |
268 |
< |
} catch (InterruptedException success) { |
256 |
> |
public void testBlockingTake() throws InterruptedException { |
257 |
> |
final BlockingQueue<Integer> q = populatedQueue(SIZE); |
258 |
> |
final CountDownLatch aboutToWait = new CountDownLatch(1); |
259 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
260 |
> |
public void realRun() throws InterruptedException { |
261 |
> |
for (int i = 0; i < SIZE; ++i) { |
262 |
> |
assertEquals(i, (int) q.take()); |
263 |
|
} |
264 |
< |
} |
271 |
< |
}); |
272 |
< |
try { |
273 |
< |
t.start(); |
274 |
< |
Thread.sleep(SHORT_DELAY_MS); |
275 |
< |
t.interrupt(); |
276 |
< |
t.join(); |
277 |
< |
} catch (Exception e) { |
278 |
< |
unexpectedException(); |
279 |
< |
} |
280 |
< |
} |
281 |
< |
|
282 |
< |
/** |
283 |
< |
* Take removes existing elements until empty, then blocks interruptibly |
284 |
< |
*/ |
285 |
< |
public void testBlockingTake() { |
286 |
< |
Thread t = new Thread(new Runnable() { |
287 |
< |
|
288 |
< |
public void run() { |
264 |
> |
aboutToWait.countDown(); |
265 |
|
try { |
290 |
– |
LinkedTransferQueue q = populatedQueue(SIZE); |
291 |
– |
for (int i = 0; i < SIZE; ++i) { |
292 |
– |
assertEquals(i, ((Integer) q.take()).intValue()); |
293 |
– |
} |
266 |
|
q.take(); |
267 |
< |
threadShouldThrow(); |
268 |
< |
} catch (InterruptedException success) { |
269 |
< |
} |
270 |
< |
} |
271 |
< |
}); |
272 |
< |
t.start(); |
273 |
< |
try { |
274 |
< |
Thread.sleep(SHORT_DELAY_MS); |
275 |
< |
t.interrupt(); |
304 |
< |
t.join(); |
305 |
< |
} catch (InterruptedException ie) { |
306 |
< |
unexpectedException(); |
307 |
< |
} |
267 |
> |
shouldThrow(); |
268 |
> |
} catch (InterruptedException success) {} |
269 |
> |
}}); |
270 |
> |
|
271 |
> |
aboutToWait.await(); |
272 |
> |
waitForThreadToEnterWaitState(t, SMALL_DELAY_MS); |
273 |
> |
t.interrupt(); |
274 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
275 |
> |
checkEmpty(q); |
276 |
|
} |
277 |
|
|
278 |
|
/** |
279 |
|
* poll succeeds unless empty |
280 |
|
*/ |
281 |
< |
public void testPoll() { |
282 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
281 |
> |
public void testPoll() throws InterruptedException { |
282 |
> |
LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
283 |
|
for (int i = 0; i < SIZE; ++i) { |
284 |
< |
assertEquals(i, ((Integer) q.poll()).intValue()); |
284 |
> |
assertEquals(i, (int) q.poll()); |
285 |
|
} |
286 |
|
assertNull(q.poll()); |
287 |
+ |
checkEmpty(q); |
288 |
|
} |
289 |
|
|
290 |
|
/** |
291 |
< |
* timed pool with zero timeout succeeds when non-empty, else times out |
291 |
> |
* timed poll with zero timeout succeeds when non-empty, else times out |
292 |
|
*/ |
293 |
< |
public void testTimedPoll0() { |
294 |
< |
try { |
295 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
296 |
< |
for (int i = 0; i < SIZE; ++i) { |
328 |
< |
assertEquals(i, ((Integer) q.poll(0, TimeUnit.MILLISECONDS)).intValue()); |
329 |
< |
} |
330 |
< |
assertNull(q.poll(0, TimeUnit.MILLISECONDS)); |
331 |
< |
} catch (InterruptedException e) { |
332 |
< |
unexpectedException(); |
293 |
> |
public void testTimedPoll0() throws InterruptedException { |
294 |
> |
LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
295 |
> |
for (int i = 0; i < SIZE; ++i) { |
296 |
> |
assertEquals(i, (int) q.poll(0, MILLISECONDS)); |
297 |
|
} |
298 |
+ |
assertNull(q.poll(0, MILLISECONDS)); |
299 |
+ |
checkEmpty(q); |
300 |
|
} |
301 |
|
|
302 |
|
/** |
303 |
< |
* timed pool with nonzero timeout succeeds when non-empty, else times out |
303 |
> |
* timed poll with nonzero timeout succeeds when non-empty, else times out |
304 |
|
*/ |
305 |
< |
public void testTimedPoll() { |
306 |
< |
try { |
307 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
308 |
< |
for (int i = 0; i < SIZE; ++i) { |
309 |
< |
assertEquals(i, ((Integer) q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)).intValue()); |
310 |
< |
} |
311 |
< |
assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
312 |
< |
} catch (InterruptedException e) { |
313 |
< |
unexpectedException(); |
314 |
< |
} |
305 |
> |
public void testTimedPoll() throws InterruptedException { |
306 |
> |
LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
307 |
> |
for (int i = 0; i < SIZE; ++i) { |
308 |
> |
long t0 = System.nanoTime(); |
309 |
> |
assertEquals(i, (int) q.poll(SMALL_DELAY_MS, MILLISECONDS)); |
310 |
> |
assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS); |
311 |
> |
} |
312 |
> |
long t0 = System.nanoTime(); |
313 |
> |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
314 |
> |
assertTrue(millisElapsedSince(t0) >= SHORT_DELAY_MS); |
315 |
> |
checkEmpty(q); |
316 |
|
} |
317 |
|
|
318 |
|
/** |
319 |
|
* Interrupted timed poll throws InterruptedException instead of |
320 |
|
* returning timeout status |
321 |
|
*/ |
322 |
< |
public void testInterruptedTimedPoll() { |
323 |
< |
Thread t = new Thread(new Runnable() { |
324 |
< |
|
325 |
< |
public void run() { |
322 |
> |
public void testInterruptedTimedPoll() throws InterruptedException { |
323 |
> |
final BlockingQueue<Integer> q = populatedQueue(SIZE); |
324 |
> |
final CountDownLatch aboutToWait = new CountDownLatch(1); |
325 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
326 |
> |
public void realRun() throws InterruptedException { |
327 |
> |
for (int i = 0; i < SIZE; ++i) { |
328 |
> |
long t0 = System.nanoTime(); |
329 |
> |
assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS)); |
330 |
> |
assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS); |
331 |
> |
} |
332 |
> |
long t0 = System.nanoTime(); |
333 |
> |
aboutToWait.countDown(); |
334 |
|
try { |
335 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
336 |
< |
for (int i = 0; i < SIZE; ++i) { |
362 |
< |
threadAssertEquals(i, ((Integer) q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)).intValue()); |
363 |
< |
} |
364 |
< |
threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
335 |
> |
q.poll(MEDIUM_DELAY_MS, MILLISECONDS); |
336 |
> |
shouldThrow(); |
337 |
|
} catch (InterruptedException success) { |
338 |
+ |
assertTrue(millisElapsedSince(t0) < MEDIUM_DELAY_MS); |
339 |
|
} |
340 |
< |
} |
341 |
< |
}); |
342 |
< |
t.start(); |
343 |
< |
try { |
344 |
< |
Thread.sleep(SHORT_DELAY_MS); |
345 |
< |
t.interrupt(); |
346 |
< |
t.join(); |
374 |
< |
} catch (InterruptedException ie) { |
375 |
< |
unexpectedException(); |
376 |
< |
} |
340 |
> |
}}); |
341 |
> |
|
342 |
> |
aboutToWait.await(); |
343 |
> |
waitForThreadToEnterWaitState(t, SMALL_DELAY_MS); |
344 |
> |
t.interrupt(); |
345 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
346 |
> |
checkEmpty(q); |
347 |
|
} |
348 |
|
|
349 |
|
/** |
350 |
< |
* timed poll before a delayed offer fails; after offer succeeds; |
351 |
< |
* on interruption throws |
352 |
< |
*/ |
353 |
< |
public void testTimedPollWithOffer() { |
354 |
< |
final LinkedTransferQueue q = new LinkedTransferQueue(); |
355 |
< |
Thread t = new Thread(new Runnable() { |
356 |
< |
|
357 |
< |
public void run() { |
358 |
< |
try { |
359 |
< |
threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
360 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
361 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
392 |
< |
threadShouldThrow(); |
393 |
< |
} catch (InterruptedException success) { |
350 |
> |
* timed poll after thread interrupted throws InterruptedException |
351 |
> |
* instead of returning timeout status |
352 |
> |
*/ |
353 |
> |
public void testTimedPollAfterInterrupt() throws InterruptedException { |
354 |
> |
final BlockingQueue<Integer> q = populatedQueue(SIZE); |
355 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
356 |
> |
public void realRun() throws InterruptedException { |
357 |
> |
Thread.currentThread().interrupt(); |
358 |
> |
for (int i = 0; i < SIZE; ++i) { |
359 |
> |
long t0 = System.nanoTime(); |
360 |
> |
assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS)); |
361 |
> |
assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS); |
362 |
|
} |
363 |
< |
} |
364 |
< |
}); |
365 |
< |
try { |
366 |
< |
t.start(); |
367 |
< |
Thread.sleep(SMALL_DELAY_MS); |
368 |
< |
assertTrue(q.offer(zero, SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
369 |
< |
t.interrupt(); |
370 |
< |
t.join(); |
403 |
< |
} catch (Exception e) { |
404 |
< |
unexpectedException(); |
405 |
< |
} |
363 |
> |
try { |
364 |
> |
q.poll(MEDIUM_DELAY_MS, MILLISECONDS); |
365 |
> |
shouldThrow(); |
366 |
> |
} catch (InterruptedException success) {} |
367 |
> |
}}); |
368 |
> |
|
369 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
370 |
> |
checkEmpty(q); |
371 |
|
} |
372 |
|
|
373 |
|
/** |
374 |
|
* peek returns next element, or null if empty |
375 |
|
*/ |
376 |
< |
public void testPeek() { |
377 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
376 |
> |
public void testPeek() throws InterruptedException { |
377 |
> |
LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
378 |
|
for (int i = 0; i < SIZE; ++i) { |
379 |
< |
assertEquals(i, ((Integer) q.peek()).intValue()); |
380 |
< |
q.poll(); |
379 |
> |
assertEquals(i, (int) q.peek()); |
380 |
> |
assertEquals(i, (int) q.poll()); |
381 |
|
assertTrue(q.peek() == null || |
382 |
< |
i != ((Integer) q.peek()).intValue()); |
382 |
> |
i != (int) q.peek()); |
383 |
|
} |
384 |
|
assertNull(q.peek()); |
385 |
+ |
checkEmpty(q); |
386 |
|
} |
387 |
|
|
388 |
|
/** |
389 |
< |
* element returns next element, or throws NSEE if empty |
389 |
> |
* element returns next element, or throws NoSuchElementException if empty |
390 |
|
*/ |
391 |
< |
public void testElement() { |
392 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
391 |
> |
public void testElement() throws InterruptedException { |
392 |
> |
LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
393 |
|
for (int i = 0; i < SIZE; ++i) { |
394 |
< |
assertEquals(i, ((Integer) q.element()).intValue()); |
395 |
< |
q.poll(); |
394 |
> |
assertEquals(i, (int) q.element()); |
395 |
> |
assertEquals(i, (int) q.poll()); |
396 |
|
} |
397 |
|
try { |
398 |
|
q.element(); |
399 |
|
shouldThrow(); |
400 |
< |
} catch (NoSuchElementException success) { |
401 |
< |
} |
400 |
> |
} catch (NoSuchElementException success) {} |
401 |
> |
checkEmpty(q); |
402 |
|
} |
403 |
|
|
404 |
|
/** |
405 |
< |
* remove removes next element, or throws NSEE if empty |
405 |
> |
* remove removes next element, or throws NoSuchElementException if empty |
406 |
|
*/ |
407 |
< |
public void testRemove() { |
408 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
407 |
> |
public void testRemove() throws InterruptedException { |
408 |
> |
LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
409 |
|
for (int i = 0; i < SIZE; ++i) { |
410 |
< |
assertEquals(i, ((Integer) q.remove()).intValue()); |
410 |
> |
assertEquals(i, (int) q.remove()); |
411 |
|
} |
412 |
|
try { |
413 |
|
q.remove(); |
414 |
|
shouldThrow(); |
415 |
< |
} catch (NoSuchElementException success) { |
416 |
< |
} |
415 |
> |
} catch (NoSuchElementException success) {} |
416 |
> |
checkEmpty(q); |
417 |
|
} |
418 |
|
|
419 |
|
/** |
420 |
|
* remove(x) removes x and returns true if present |
421 |
|
*/ |
422 |
< |
public void testRemoveElement() { |
422 |
> |
public void testRemoveElement() throws InterruptedException { |
423 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
424 |
< |
for (int i = 1; i < SIZE; i += 2) { |
425 |
< |
assertTrue(q.remove(new Integer(i))); |
426 |
< |
} |
427 |
< |
for (int i = 0; i < SIZE; i += 2) { |
428 |
< |
assertTrue(q.remove(new Integer(i))); |
429 |
< |
assertFalse(q.remove(new Integer(i + 1))); |
424 |
> |
for (int i = 1; i < SIZE; i+=2) { |
425 |
> |
assertTrue(q.contains(i)); |
426 |
> |
assertTrue(q.remove(i)); |
427 |
> |
assertFalse(q.contains(i)); |
428 |
> |
assertTrue(q.contains(i-1)); |
429 |
> |
} |
430 |
> |
for (int i = 0; i < SIZE; i+=2) { |
431 |
> |
assertTrue(q.contains(i)); |
432 |
> |
assertTrue(q.remove(i)); |
433 |
> |
assertFalse(q.contains(i)); |
434 |
> |
assertFalse(q.remove(i+1)); |
435 |
> |
assertFalse(q.contains(i+1)); |
436 |
|
} |
437 |
< |
assertTrue(q.isEmpty()); |
437 |
> |
checkEmpty(q); |
438 |
|
} |
439 |
|
|
440 |
|
/** |
441 |
|
* An add following remove(x) succeeds |
442 |
|
*/ |
443 |
< |
public void testRemoveElementAndAdd() { |
444 |
< |
try { |
445 |
< |
LinkedTransferQueue q = new LinkedTransferQueue(); |
446 |
< |
assertTrue(q.add(new Integer(1))); |
447 |
< |
assertTrue(q.add(new Integer(2))); |
448 |
< |
assertTrue(q.remove(new Integer(1))); |
449 |
< |
assertTrue(q.remove(new Integer(2))); |
450 |
< |
assertTrue(q.add(new Integer(3))); |
479 |
< |
assertTrue(q.take() != null); |
480 |
< |
} catch (Exception e) { |
481 |
< |
unexpectedException(); |
482 |
< |
} |
443 |
> |
public void testRemoveElementAndAdd() throws InterruptedException { |
444 |
> |
LinkedTransferQueue q = new LinkedTransferQueue(); |
445 |
> |
assertTrue(q.add(one)); |
446 |
> |
assertTrue(q.add(two)); |
447 |
> |
assertTrue(q.remove(one)); |
448 |
> |
assertTrue(q.remove(two)); |
449 |
> |
assertTrue(q.add(three)); |
450 |
> |
assertSame(q.take(), three); |
451 |
|
} |
452 |
|
|
453 |
|
/** |
454 |
|
* contains(x) reports true when elements added but not yet removed |
455 |
|
*/ |
456 |
|
public void testContains() { |
457 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
457 |
> |
LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
458 |
|
for (int i = 0; i < SIZE; ++i) { |
459 |
< |
assertTrue(q.contains(new Integer(i))); |
460 |
< |
q.poll(); |
461 |
< |
assertFalse(q.contains(new Integer(i))); |
459 |
> |
assertTrue(q.contains(i)); |
460 |
> |
assertEquals(i, (int) q.poll()); |
461 |
> |
assertFalse(q.contains(i)); |
462 |
|
} |
463 |
|
} |
464 |
|
|
465 |
|
/** |
466 |
|
* clear removes all elements |
467 |
|
*/ |
468 |
< |
public void testClear() { |
468 |
> |
public void testClear() throws InterruptedException { |
469 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
502 |
– |
int remainingCapacity = q.remainingCapacity(); |
470 |
|
q.clear(); |
471 |
< |
assertTrue(q.isEmpty()); |
472 |
< |
assertEquals(0, q.size()); |
506 |
< |
assertEquals(remainingCapacity, q.remainingCapacity()); |
471 |
> |
checkEmpty(q); |
472 |
> |
assertEquals(Integer.MAX_VALUE, q.remainingCapacity()); |
473 |
|
q.add(one); |
474 |
|
assertFalse(q.isEmpty()); |
475 |
+ |
assertEquals(1, q.size()); |
476 |
|
assertTrue(q.contains(one)); |
477 |
|
q.clear(); |
478 |
< |
assertTrue(q.isEmpty()); |
478 |
> |
checkEmpty(q); |
479 |
|
} |
480 |
|
|
481 |
|
/** |
482 |
|
* containsAll(c) is true when c contains a subset of elements |
483 |
|
*/ |
484 |
|
public void testContainsAll() { |
485 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
486 |
< |
LinkedTransferQueue p = new LinkedTransferQueue(); |
485 |
> |
LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
486 |
> |
LinkedTransferQueue<Integer> p = new LinkedTransferQueue<Integer>(); |
487 |
|
for (int i = 0; i < SIZE; ++i) { |
488 |
|
assertTrue(q.containsAll(p)); |
489 |
|
assertFalse(p.containsAll(q)); |
490 |
< |
p.add(new Integer(i)); |
490 |
> |
p.add(i); |
491 |
|
} |
492 |
|
assertTrue(p.containsAll(q)); |
493 |
|
} |
494 |
|
|
495 |
|
/** |
496 |
< |
* retainAll(c) retains only those elements of c and reports true if changed |
496 |
> |
* retainAll(c) retains only those elements of c and reports true |
497 |
> |
* if changed |
498 |
|
*/ |
499 |
|
public void testRetainAll() { |
500 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
513 |
|
} |
514 |
|
|
515 |
|
/** |
516 |
< |
* removeAll(c) removes only those elements of c and reports true if changed |
516 |
> |
* removeAll(c) removes only those elements of c and reports true |
517 |
> |
* if changed |
518 |
|
*/ |
519 |
|
public void testRemoveAll() { |
520 |
|
for (int i = 1; i < SIZE; ++i) { |
523 |
|
assertTrue(q.removeAll(p)); |
524 |
|
assertEquals(SIZE - i, q.size()); |
525 |
|
for (int j = 0; j < i; ++j) { |
526 |
< |
Integer I = (Integer) (p.remove()); |
558 |
< |
assertFalse(q.contains(I)); |
526 |
> |
assertFalse(q.contains(p.remove())); |
527 |
|
} |
528 |
|
} |
529 |
|
} |
530 |
|
|
531 |
|
/** |
532 |
< |
* toArray contains all elements |
532 |
> |
* toArray() contains all elements in FIFO order |
533 |
|
*/ |
534 |
|
public void testToArray() { |
535 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
536 |
|
Object[] o = q.toArray(); |
537 |
< |
try { |
538 |
< |
for (int i = 0; i < o.length; i++) { |
571 |
< |
assertEquals(o[i], q.take()); |
572 |
< |
} |
573 |
< |
} catch (InterruptedException e) { |
574 |
< |
unexpectedException(); |
537 |
> |
for (int i = 0; i < o.length; i++) { |
538 |
> |
assertSame(o[i], q.poll()); |
539 |
|
} |
540 |
|
} |
541 |
|
|
542 |
|
/** |
543 |
< |
* toArray(a) contains all elements |
543 |
> |
* toArray(a) contains all elements in FIFO order |
544 |
|
*/ |
545 |
|
public void testToArray2() { |
546 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
546 |
> |
LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
547 |
|
Integer[] ints = new Integer[SIZE]; |
548 |
< |
ints = (Integer[]) q.toArray(ints); |
549 |
< |
try { |
550 |
< |
for (int i = 0; i < ints.length; i++) { |
551 |
< |
assertEquals(ints[i], q.take()); |
588 |
< |
} |
589 |
< |
} catch (InterruptedException e) { |
590 |
< |
unexpectedException(); |
548 |
> |
Integer[] array = q.toArray(ints); |
549 |
> |
assertSame(ints, array); |
550 |
> |
for (int i = 0; i < ints.length; i++) { |
551 |
> |
assertSame(ints[i], q.poll()); |
552 |
|
} |
553 |
|
} |
554 |
|
|
555 |
|
/** |
556 |
< |
* toArray(null) throws NPE |
556 |
> |
* toArray(null) throws NullPointerException |
557 |
|
*/ |
558 |
< |
public void testToArray_BadArg() { |
558 |
> |
public void testToArray_NullArg() { |
559 |
> |
LinkedTransferQueue q = populatedQueue(SIZE); |
560 |
|
try { |
561 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
600 |
< |
Object o[] = q.toArray(null); |
561 |
> |
q.toArray(null); |
562 |
|
shouldThrow(); |
563 |
< |
} catch (NullPointerException success) { |
603 |
< |
} |
563 |
> |
} catch (NullPointerException success) {} |
564 |
|
} |
565 |
|
|
566 |
|
/** |
567 |
< |
* toArray with incompatible array type throws CCE |
567 |
> |
* toArray(incompatible array type) throws ArrayStoreException |
568 |
|
*/ |
569 |
|
public void testToArray1_BadArg() { |
570 |
+ |
LinkedTransferQueue q = populatedQueue(SIZE); |
571 |
|
try { |
572 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
612 |
< |
Object o[] = q.toArray(new String[10]); |
572 |
> |
q.toArray(new String[10]); |
573 |
|
shouldThrow(); |
574 |
< |
} catch (ArrayStoreException success) { |
615 |
< |
} |
574 |
> |
} catch (ArrayStoreException success) {} |
575 |
|
} |
576 |
|
|
577 |
|
/** |
578 |
|
* iterator iterates through all elements |
579 |
|
*/ |
580 |
< |
public void testIterator() { |
580 |
> |
public void testIterator() throws InterruptedException { |
581 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
582 |
|
Iterator it = q.iterator(); |
583 |
< |
try { |
584 |
< |
while (it.hasNext()) { |
585 |
< |
assertEquals(it.next(), q.take()); |
627 |
< |
} |
628 |
< |
} catch (InterruptedException e) { |
629 |
< |
unexpectedException(); |
583 |
> |
int i = 0; |
584 |
> |
while (it.hasNext()) { |
585 |
> |
assertEquals(it.next(), i++); |
586 |
|
} |
587 |
+ |
assertEquals(i, SIZE); |
588 |
|
} |
589 |
|
|
590 |
|
/** |
591 |
< |
* iterator.remove removes current element |
591 |
> |
* iterator.remove() removes current element |
592 |
|
*/ |
593 |
|
public void testIteratorRemove() { |
594 |
|
final LinkedTransferQueue q = new LinkedTransferQueue(); |
601 |
|
it.remove(); |
602 |
|
|
603 |
|
it = q.iterator(); |
604 |
< |
assertEquals(it.next(), one); |
605 |
< |
assertEquals(it.next(), three); |
604 |
> |
assertSame(it.next(), one); |
605 |
> |
assertSame(it.next(), three); |
606 |
|
assertFalse(it.hasNext()); |
607 |
|
} |
608 |
|
|
610 |
|
* iterator ordering is FIFO |
611 |
|
*/ |
612 |
|
public void testIteratorOrdering() { |
613 |
< |
final LinkedTransferQueue q = new LinkedTransferQueue(); |
614 |
< |
int remainingCapacity = q.remainingCapacity(); |
613 |
> |
final LinkedTransferQueue<Integer> q |
614 |
> |
= new LinkedTransferQueue<Integer>(); |
615 |
> |
assertEquals(Integer.MAX_VALUE, q.remainingCapacity()); |
616 |
|
q.add(one); |
617 |
|
q.add(two); |
618 |
|
q.add(three); |
619 |
< |
assertEquals(remainingCapacity, q.remainingCapacity()); |
619 |
> |
assertEquals(Integer.MAX_VALUE, q.remainingCapacity()); |
620 |
|
int k = 0; |
621 |
< |
for (Iterator it = q.iterator(); it.hasNext();) { |
622 |
< |
int i = ((Integer) (it.next())).intValue(); |
665 |
< |
assertEquals(++k, i); |
621 |
> |
for (Integer n : q) { |
622 |
> |
assertEquals(++k, (int) n); |
623 |
|
} |
624 |
|
assertEquals(3, k); |
625 |
|
} |
632 |
|
q.add(one); |
633 |
|
q.add(two); |
634 |
|
q.add(three); |
635 |
< |
try { |
636 |
< |
for (Iterator it = q.iterator(); it.hasNext();) { |
637 |
< |
q.remove(); |
681 |
< |
it.next(); |
682 |
< |
} |
683 |
< |
} catch (ConcurrentModificationException e) { |
684 |
< |
unexpectedException(); |
635 |
> |
for (Iterator it = q.iterator(); it.hasNext();) { |
636 |
> |
q.remove(); |
637 |
> |
it.next(); |
638 |
|
} |
639 |
|
assertEquals(0, q.size()); |
640 |
|
} |
655 |
|
*/ |
656 |
|
public void testOfferInExecutor() { |
657 |
|
final LinkedTransferQueue q = new LinkedTransferQueue(); |
658 |
< |
q.add(one); |
706 |
< |
q.add(two); |
658 |
> |
final CountDownLatch threadsStarted = new CountDownLatch(2); |
659 |
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
708 |
– |
executor.execute(new Runnable() { |
660 |
|
|
661 |
< |
public void run() { |
662 |
< |
try { |
663 |
< |
threadAssertTrue(q.offer(three, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS)); |
664 |
< |
} catch (Exception e) { |
665 |
< |
threadUnexpectedException(); |
666 |
< |
} |
667 |
< |
} |
668 |
< |
}); |
669 |
< |
|
670 |
< |
executor.execute(new Runnable() { |
671 |
< |
|
672 |
< |
public void run() { |
673 |
< |
try { |
674 |
< |
Thread.sleep(SMALL_DELAY_MS); |
724 |
< |
threadAssertEquals(one, q.take()); |
725 |
< |
} catch (InterruptedException e) { |
726 |
< |
threadUnexpectedException(); |
727 |
< |
} |
728 |
< |
} |
729 |
< |
}); |
661 |
> |
executor.execute(new CheckedRunnable() { |
662 |
> |
public void realRun() throws InterruptedException { |
663 |
> |
threadsStarted.countDown(); |
664 |
> |
threadsStarted.await(); |
665 |
> |
assertTrue(q.offer(one, MEDIUM_DELAY_MS, MILLISECONDS)); |
666 |
> |
}}); |
667 |
> |
|
668 |
> |
executor.execute(new CheckedRunnable() { |
669 |
> |
public void realRun() throws InterruptedException { |
670 |
> |
threadsStarted.countDown(); |
671 |
> |
threadsStarted.await(); |
672 |
> |
assertSame(one, q.take()); |
673 |
> |
checkEmpty(q); |
674 |
> |
}}); |
675 |
|
|
676 |
|
joinPool(executor); |
677 |
|
} |
678 |
|
|
679 |
|
/** |
680 |
< |
* poll retrieves elements across Executor threads |
680 |
> |
* timed poll retrieves elements across Executor threads |
681 |
|
*/ |
682 |
|
public void testPollInExecutor() { |
683 |
|
final LinkedTransferQueue q = new LinkedTransferQueue(); |
684 |
+ |
final CountDownLatch threadsStarted = new CountDownLatch(2); |
685 |
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
740 |
– |
executor.execute(new Runnable() { |
686 |
|
|
687 |
< |
public void run() { |
688 |
< |
threadAssertNull(q.poll()); |
689 |
< |
try { |
690 |
< |
threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS)); |
691 |
< |
threadAssertTrue(q.isEmpty()); |
692 |
< |
} catch (InterruptedException e) { |
693 |
< |
threadUnexpectedException(); |
694 |
< |
} |
695 |
< |
} |
696 |
< |
}); |
697 |
< |
|
698 |
< |
executor.execute(new Runnable() { |
699 |
< |
|
700 |
< |
public void run() { |
701 |
< |
try { |
757 |
< |
Thread.sleep(SMALL_DELAY_MS); |
758 |
< |
q.put(one); |
759 |
< |
} catch (InterruptedException e) { |
760 |
< |
threadUnexpectedException(); |
761 |
< |
} |
762 |
< |
} |
763 |
< |
}); |
687 |
> |
executor.execute(new CheckedRunnable() { |
688 |
> |
public void realRun() throws InterruptedException { |
689 |
> |
assertNull(q.poll()); |
690 |
> |
threadsStarted.countDown(); |
691 |
> |
threadsStarted.await(); |
692 |
> |
assertSame(one, q.poll(SMALL_DELAY_MS, MILLISECONDS)); |
693 |
> |
checkEmpty(q); |
694 |
> |
}}); |
695 |
> |
|
696 |
> |
executor.execute(new CheckedRunnable() { |
697 |
> |
public void realRun() throws InterruptedException { |
698 |
> |
threadsStarted.countDown(); |
699 |
> |
threadsStarted.await(); |
700 |
> |
q.put(one); |
701 |
> |
}}); |
702 |
|
|
703 |
|
joinPool(executor); |
704 |
|
} |
706 |
|
/** |
707 |
|
* A deserialized serialized queue has same elements in same order |
708 |
|
*/ |
709 |
< |
public void testSerialization() { |
709 |
> |
public void testSerialization() throws Exception { |
710 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
711 |
|
|
712 |
< |
try { |
713 |
< |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
714 |
< |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
715 |
< |
out.writeObject(q); |
716 |
< |
out.close(); |
717 |
< |
|
718 |
< |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
719 |
< |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
720 |
< |
LinkedTransferQueue r = (LinkedTransferQueue) in.readObject(); |
721 |
< |
|
722 |
< |
assertEquals(q.size(), r.size()); |
723 |
< |
while (!q.isEmpty()) { |
724 |
< |
assertEquals(q.remove(), r.remove()); |
725 |
< |
} |
726 |
< |
} catch (Exception e) { |
727 |
< |
unexpectedException(); |
712 |
> |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
713 |
> |
ObjectOutputStream out |
714 |
> |
= new ObjectOutputStream(new BufferedOutputStream(bout)); |
715 |
> |
out.writeObject(q); |
716 |
> |
out.close(); |
717 |
> |
|
718 |
> |
ByteArrayInputStream bin |
719 |
> |
= new ByteArrayInputStream(bout.toByteArray()); |
720 |
> |
ObjectInputStream in |
721 |
> |
= new ObjectInputStream(new BufferedInputStream(bin)); |
722 |
> |
LinkedTransferQueue r = (LinkedTransferQueue) in.readObject(); |
723 |
> |
|
724 |
> |
assertEquals(q.size(), r.size()); |
725 |
> |
assertEquals(q.toString(), r.toString()); |
726 |
> |
assertTrue(Arrays.equals(q.toArray(), r.toArray())); |
727 |
> |
while (!q.isEmpty()) { |
728 |
> |
assertEquals(q.remove(), r.remove()); |
729 |
|
} |
730 |
|
} |
731 |
|
|
732 |
|
/** |
733 |
< |
* drainTo(null) throws NPE |
733 |
> |
* drainTo(null) throws NullPointerException |
734 |
|
*/ |
735 |
|
public void testDrainToNull() { |
736 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
737 |
|
try { |
738 |
|
q.drainTo(null); |
739 |
|
shouldThrow(); |
740 |
< |
} catch (NullPointerException success) { |
802 |
< |
} |
740 |
> |
} catch (NullPointerException success) {} |
741 |
|
} |
742 |
|
|
743 |
|
/** |
744 |
< |
* drainTo(this) throws IAE |
744 |
> |
* drainTo(this) throws IllegalArgumentException |
745 |
|
*/ |
746 |
|
public void testDrainToSelf() { |
747 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
748 |
|
try { |
749 |
|
q.drainTo(q); |
750 |
|
shouldThrow(); |
751 |
< |
} catch (IllegalArgumentException success) { |
814 |
< |
} |
751 |
> |
} catch (IllegalArgumentException success) {} |
752 |
|
} |
753 |
|
|
754 |
|
/** |
761 |
|
assertEquals(q.size(), 0); |
762 |
|
assertEquals(l.size(), SIZE); |
763 |
|
for (int i = 0; i < SIZE; ++i) { |
764 |
< |
assertEquals(l.get(i), new Integer(i)); |
764 |
> |
assertEquals(l.get(i), i); |
765 |
|
} |
766 |
|
q.add(zero); |
767 |
|
q.add(one); |
773 |
|
assertEquals(q.size(), 0); |
774 |
|
assertEquals(l.size(), 2); |
775 |
|
for (int i = 0; i < 2; ++i) { |
776 |
< |
assertEquals(l.get(i), new Integer(i)); |
776 |
> |
assertEquals(l.get(i), i); |
777 |
|
} |
778 |
|
} |
779 |
|
|
780 |
|
/** |
781 |
< |
* drainTo empties full queue, unblocking a waiting put. |
781 |
> |
* drainTo(c) empties full queue, unblocking a waiting put. |
782 |
|
*/ |
783 |
< |
public void testDrainToWithActivePut() { |
783 |
> |
public void testDrainToWithActivePut() throws InterruptedException { |
784 |
|
final LinkedTransferQueue q = populatedQueue(SIZE); |
785 |
< |
Thread t = new Thread(new Runnable() { |
786 |
< |
|
787 |
< |
public void run() { |
788 |
< |
try { |
789 |
< |
q.put(new Integer(SIZE + 1)); |
790 |
< |
} catch (Exception ie) { |
791 |
< |
threadUnexpectedException(); |
792 |
< |
} |
793 |
< |
} |
857 |
< |
}); |
858 |
< |
try { |
859 |
< |
t.start(); |
860 |
< |
ArrayList l = new ArrayList(); |
861 |
< |
q.drainTo(l); |
862 |
< |
assertTrue(l.size() >= SIZE); |
863 |
< |
for (int i = 0; i < SIZE; ++i) { |
864 |
< |
assertEquals(l.get(i), new Integer(i)); |
865 |
< |
} |
866 |
< |
t.join(); |
867 |
< |
assertTrue(q.size() + l.size() >= SIZE); |
868 |
< |
} catch (Exception e) { |
869 |
< |
unexpectedException(); |
785 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
786 |
> |
public void realRun() { |
787 |
> |
q.put(SIZE + 1); |
788 |
> |
}}); |
789 |
> |
ArrayList l = new ArrayList(); |
790 |
> |
q.drainTo(l); |
791 |
> |
assertTrue(l.size() >= SIZE); |
792 |
> |
for (int i = 0; i < SIZE; ++i) { |
793 |
> |
assertEquals(l.get(i), i); |
794 |
|
} |
795 |
+ |
awaitTermination(t, MEDIUM_DELAY_MS); |
796 |
+ |
assertTrue(q.size() + l.size() >= SIZE); |
797 |
|
} |
798 |
|
|
799 |
|
/** |
800 |
< |
* drainTo(null, n) throws NPE |
800 |
> |
* drainTo(null, n) throws NullPointerException |
801 |
|
*/ |
802 |
|
public void testDrainToNullN() { |
803 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
804 |
|
try { |
805 |
< |
q.drainTo(null, 0); |
805 |
> |
q.drainTo(null, SIZE); |
806 |
|
shouldThrow(); |
807 |
< |
} catch (NullPointerException success) { |
882 |
< |
} |
807 |
> |
} catch (NullPointerException success) {} |
808 |
|
} |
809 |
|
|
810 |
|
/** |
811 |
< |
* drainTo(this, n) throws IAE |
811 |
> |
* drainTo(this, n) throws IllegalArgumentException |
812 |
|
*/ |
813 |
|
public void testDrainToSelfN() { |
814 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
815 |
|
try { |
816 |
< |
q.drainTo(q, 0); |
816 |
> |
q.drainTo(q, SIZE); |
817 |
|
shouldThrow(); |
818 |
< |
} catch (IllegalArgumentException success) { |
894 |
< |
} |
818 |
> |
} catch (IllegalArgumentException success) {} |
819 |
|
} |
820 |
|
|
821 |
|
/** |
822 |
< |
* drainTo(c, n) empties first max {n, size} elements of queue into c |
822 |
> |
* drainTo(c, n) empties first min(n, size) elements of queue into c |
823 |
|
*/ |
824 |
|
public void testDrainToN() { |
825 |
|
LinkedTransferQueue q = new LinkedTransferQueue(); |
826 |
|
for (int i = 0; i < SIZE + 2; ++i) { |
827 |
|
for (int j = 0; j < SIZE; j++) { |
828 |
< |
assertTrue(q.offer(new Integer(j))); |
828 |
> |
assertTrue(q.offer(j)); |
829 |
|
} |
830 |
|
ArrayList l = new ArrayList(); |
831 |
|
q.drainTo(l, i); |
833 |
|
assertEquals(l.size(), k); |
834 |
|
assertEquals(q.size(), SIZE - k); |
835 |
|
for (int j = 0; j < k; ++j) { |
836 |
< |
assertEquals(l.get(j), new Integer(j)); |
836 |
> |
assertEquals(l.get(j), j); |
837 |
|
} |
838 |
< |
while (q.poll() != null); |
838 |
> |
while (q.poll() != null) |
839 |
> |
; |
840 |
|
} |
841 |
|
} |
842 |
|
|
843 |
|
/** |
844 |
< |
* poll and take should decrement the waiting consumer count |
844 |
> |
* timed poll() or take() increments the waiting consumer count; |
845 |
> |
* offer(e) decrements the waiting consumer count |
846 |
|
*/ |
847 |
< |
public void testWaitingConsumer() { |
848 |
< |
try { |
849 |
< |
final LinkedTransferQueue q = new LinkedTransferQueue(); |
850 |
< |
final ConsumerObserver waiting = new ConsumerObserver(); |
851 |
< |
new Thread(new Runnable() { |
847 |
> |
public void testWaitingConsumer() throws InterruptedException { |
848 |
> |
final LinkedTransferQueue q = new LinkedTransferQueue(); |
849 |
> |
assertEquals(q.getWaitingConsumerCount(), 0); |
850 |
> |
assertFalse(q.hasWaitingConsumer()); |
851 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
852 |
|
|
853 |
< |
public void run() { |
854 |
< |
try { |
855 |
< |
threadAssertTrue(q.hasWaitingConsumer()); |
856 |
< |
waiting.setWaitingConsumer(q.getWaitingConsumerCount()); |
857 |
< |
threadAssertTrue(q.offer(new Object())); |
858 |
< |
} catch (Exception ex) { |
859 |
< |
threadUnexpectedException(); |
934 |
< |
} |
853 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
854 |
> |
public void realRun() throws InterruptedException { |
855 |
> |
threadStarted.countDown(); |
856 |
> |
assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
857 |
> |
assertEquals(q.getWaitingConsumerCount(), 0); |
858 |
> |
assertFalse(q.hasWaitingConsumer()); |
859 |
> |
}}); |
860 |
|
|
861 |
< |
} |
862 |
< |
}).start(); |
863 |
< |
assertTrue(q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS) != null); |
864 |
< |
assertTrue(q.getWaitingConsumerCount() < waiting.getWaitingConsumers()); |
865 |
< |
} catch (Exception ex) { |
866 |
< |
this.unexpectedException(); |
867 |
< |
} |
861 |
> |
threadStarted.await(); |
862 |
> |
waitForThreadToEnterWaitState(t, SMALL_DELAY_MS); |
863 |
> |
assertEquals(q.getWaitingConsumerCount(), 1); |
864 |
> |
assertTrue(q.hasWaitingConsumer()); |
865 |
> |
|
866 |
> |
assertTrue(q.offer(one)); |
867 |
> |
assertEquals(q.getWaitingConsumerCount(), 0); |
868 |
> |
assertFalse(q.hasWaitingConsumer()); |
869 |
> |
|
870 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
871 |
|
} |
872 |
|
|
873 |
|
/** |
874 |
< |
* Inserts null into transfer throws NPE |
874 |
> |
* transfer(null) throws NullPointerException |
875 |
|
*/ |
876 |
< |
public void testTransfer1() { |
876 |
> |
public void testTransfer1() throws InterruptedException { |
877 |
|
try { |
878 |
|
LinkedTransferQueue q = new LinkedTransferQueue(); |
879 |
|
q.transfer(null); |
880 |
|
shouldThrow(); |
881 |
< |
} catch (NullPointerException ex) { |
954 |
< |
} catch (Exception ex) { |
955 |
< |
this.unexpectedException(); |
956 |
< |
} |
881 |
> |
} catch (NullPointerException success) {} |
882 |
|
} |
883 |
|
|
884 |
|
/** |
885 |
< |
* transfer attempts to insert into the queue then wait until that |
886 |
< |
* object is removed via take or poll. |
885 |
> |
* transfer waits until a poll occurs. The transfered element |
886 |
> |
* is returned by this associated poll. |
887 |
|
*/ |
888 |
< |
public void testTransfer2() { |
889 |
< |
final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>(); |
890 |
< |
new Thread(new Runnable() { |
888 |
> |
public void testTransfer2() throws InterruptedException { |
889 |
> |
final LinkedTransferQueue<Integer> q |
890 |
> |
= new LinkedTransferQueue<Integer>(); |
891 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
892 |
|
|
893 |
< |
public void run() { |
894 |
< |
try { |
895 |
< |
q.transfer(new Integer(SIZE)); |
896 |
< |
threadAssertTrue(q.isEmpty()); |
897 |
< |
} catch (Exception ex) { |
898 |
< |
threadUnexpectedException(); |
973 |
< |
} |
974 |
< |
} |
975 |
< |
}).start(); |
893 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
894 |
> |
public void realRun() throws InterruptedException { |
895 |
> |
threadStarted.countDown(); |
896 |
> |
q.transfer(five); |
897 |
> |
checkEmpty(q); |
898 |
> |
}}); |
899 |
|
|
900 |
< |
try { |
901 |
< |
Thread.sleep(SHORT_DELAY_MS); |
902 |
< |
assertEquals(1, q.size()); |
903 |
< |
q.poll(); |
904 |
< |
assertTrue(q.isEmpty()); |
905 |
< |
} catch (Exception ex) { |
983 |
< |
this.unexpectedException(); |
984 |
< |
} |
900 |
> |
threadStarted.await(); |
901 |
> |
waitForThreadToEnterWaitState(t, SMALL_DELAY_MS); |
902 |
> |
assertEquals(1, q.size()); |
903 |
> |
assertSame(five, q.poll()); |
904 |
> |
checkEmpty(q); |
905 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
906 |
|
} |
907 |
|
|
908 |
|
/** |
909 |
< |
* transfer will attempt to transfer in fifo order and continue |
910 |
< |
* waiting if the element being transfered is not polled or taken |
911 |
< |
*/ |
912 |
< |
public void testTransfer3() { |
913 |
< |
final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>(); |
914 |
< |
new Thread(new Runnable() { |
915 |
< |
public void run() { |
916 |
< |
try { |
917 |
< |
Integer i; |
918 |
< |
q.transfer((i = new Integer(SIZE + 1))); |
919 |
< |
threadAssertTrue(!q.contains(i)); |
920 |
< |
threadAssertEquals(1, q.size()); |
921 |
< |
} catch (Exception ex) { |
922 |
< |
threadUnexpectedException(); |
923 |
< |
} |
924 |
< |
} |
925 |
< |
}).start(); |
926 |
< |
Thread interruptedThread = |
927 |
< |
new Thread(new Runnable() { |
928 |
< |
public void run() { |
929 |
< |
try { |
930 |
< |
q.transfer(new Integer(SIZE)); |
931 |
< |
threadShouldThrow(); |
932 |
< |
} catch (InterruptedException ex) { |
933 |
< |
} |
934 |
< |
} |
935 |
< |
}); |
936 |
< |
interruptedThread.start(); |
937 |
< |
try { |
938 |
< |
Thread.sleep(LONG_DELAY_MS); |
1018 |
< |
assertEquals(2, q.size()); |
1019 |
< |
q.poll(); |
1020 |
< |
Thread.sleep(LONG_DELAY_MS); |
1021 |
< |
interruptedThread.interrupt(); |
1022 |
< |
assertEquals(1, q.size()); |
1023 |
< |
} catch (Exception ex) { |
1024 |
< |
this.unexpectedException(); |
1025 |
< |
} |
909 |
> |
* transfer waits until a poll occurs, and then transfers in fifo order |
910 |
> |
*/ |
911 |
> |
public void testTransfer3() throws InterruptedException { |
912 |
> |
final LinkedTransferQueue<Integer> q |
913 |
> |
= new LinkedTransferQueue<Integer>(); |
914 |
> |
|
915 |
> |
Thread first = newStartedThread(new CheckedRunnable() { |
916 |
> |
public void realRun() throws InterruptedException { |
917 |
> |
q.transfer(four); |
918 |
> |
assertTrue(!q.contains(four)); |
919 |
> |
assertEquals(1, q.size()); |
920 |
> |
}}); |
921 |
> |
|
922 |
> |
Thread interruptedThread = newStartedThread( |
923 |
> |
new CheckedInterruptedRunnable() { |
924 |
> |
public void realRun() throws InterruptedException { |
925 |
> |
while (q.isEmpty()) |
926 |
> |
Thread.yield(); |
927 |
> |
q.transfer(five); |
928 |
> |
}}); |
929 |
> |
|
930 |
> |
while (q.size() < 2) |
931 |
> |
Thread.yield(); |
932 |
> |
assertEquals(2, q.size()); |
933 |
> |
assertSame(four, q.poll()); |
934 |
> |
first.join(); |
935 |
> |
assertEquals(1, q.size()); |
936 |
> |
interruptedThread.interrupt(); |
937 |
> |
interruptedThread.join(); |
938 |
> |
checkEmpty(q); |
939 |
|
} |
940 |
|
|
941 |
|
/** |
942 |
< |
* transfer will wait as long as a poll or take occurs if one does occur |
943 |
< |
* the waiting is finished and the thread that tries to poll/take |
1031 |
< |
* wins in retrieving the element |
942 |
> |
* transfer waits until a poll occurs, at which point the polling |
943 |
> |
* thread returns the element |
944 |
|
*/ |
945 |
< |
public void testTransfer4() { |
945 |
> |
public void testTransfer4() throws InterruptedException { |
946 |
|
final LinkedTransferQueue q = new LinkedTransferQueue(); |
1035 |
– |
new Thread(new Runnable() { |
947 |
|
|
948 |
< |
public void run() { |
949 |
< |
try { |
950 |
< |
q.transfer(new Integer(four)); |
951 |
< |
threadAssertFalse(q.contains(new Integer(four))); |
952 |
< |
threadAssertEquals(new Integer(three), q.poll()); |
953 |
< |
} catch (Exception ex) { |
954 |
< |
threadUnexpectedException(); |
955 |
< |
} |
956 |
< |
} |
957 |
< |
}).start(); |
958 |
< |
try { |
959 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
960 |
< |
assertTrue(q.offer(three)); |
961 |
< |
assertEquals(new Integer(four), q.poll()); |
962 |
< |
} catch (Exception ex) { |
963 |
< |
this.unexpectedException(); |
964 |
< |
} |
948 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
949 |
> |
public void realRun() throws InterruptedException { |
950 |
> |
q.transfer(four); |
951 |
> |
assertFalse(q.contains(four)); |
952 |
> |
assertSame(three, q.poll()); |
953 |
> |
}}); |
954 |
> |
|
955 |
> |
while (q.isEmpty()) |
956 |
> |
Thread.yield(); |
957 |
> |
assertFalse(q.isEmpty()); |
958 |
> |
assertEquals(1, q.size()); |
959 |
> |
assertTrue(q.offer(three)); |
960 |
> |
assertSame(four, q.poll()); |
961 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
962 |
> |
} |
963 |
> |
|
964 |
> |
/** |
965 |
> |
* transfer waits until a take occurs. The transfered element |
966 |
> |
* is returned by this associated take. |
967 |
> |
*/ |
968 |
> |
public void testTransfer5() throws InterruptedException { |
969 |
> |
final LinkedTransferQueue<Integer> q |
970 |
> |
= new LinkedTransferQueue<Integer>(); |
971 |
> |
|
972 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
973 |
> |
public void realRun() throws InterruptedException { |
974 |
> |
q.transfer(four); |
975 |
> |
checkEmpty(q); |
976 |
> |
}}); |
977 |
> |
|
978 |
> |
while (q.isEmpty()) |
979 |
> |
Thread.yield(); |
980 |
> |
assertFalse(q.isEmpty()); |
981 |
> |
assertEquals(1, q.size()); |
982 |
> |
assertSame(four, q.take()); |
983 |
> |
checkEmpty(q); |
984 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
985 |
|
} |
986 |
|
|
987 |
|
/** |
988 |
< |
* Insert null into tryTransfer throws NPE |
988 |
> |
* tryTransfer(null) throws NullPointerException |
989 |
|
*/ |
990 |
|
public void testTryTransfer1() { |
991 |
|
try { |
992 |
|
final LinkedTransferQueue q = new LinkedTransferQueue(); |
993 |
|
q.tryTransfer(null); |
994 |
< |
this.shouldThrow(); |
995 |
< |
} catch (NullPointerException ex) { |
1065 |
< |
} catch (Exception ex) { |
1066 |
< |
this.unexpectedException(); |
1067 |
< |
} |
994 |
> |
shouldThrow(); |
995 |
> |
} catch (NullPointerException success) {} |
996 |
|
} |
997 |
|
|
998 |
|
/** |
999 |
< |
* tryTransfer returns false and does not enqueue if there are no consumers |
1000 |
< |
* waiting to poll or take. |
999 |
> |
* tryTransfer returns false and does not enqueue if there are no |
1000 |
> |
* consumers waiting to poll or take. |
1001 |
|
*/ |
1002 |
< |
public void testTryTransfer2() { |
1003 |
< |
try { |
1004 |
< |
final LinkedTransferQueue q = new LinkedTransferQueue(); |
1005 |
< |
assertFalse(q.tryTransfer(new Object())); |
1006 |
< |
assertEquals(0, q.size()); |
1079 |
< |
} catch (Exception ex) { |
1080 |
< |
this.unexpectedException(); |
1081 |
< |
} |
1002 |
> |
public void testTryTransfer2() throws InterruptedException { |
1003 |
> |
final LinkedTransferQueue q = new LinkedTransferQueue(); |
1004 |
> |
assertFalse(q.tryTransfer(new Object())); |
1005 |
> |
assertFalse(q.hasWaitingConsumer()); |
1006 |
> |
checkEmpty(q); |
1007 |
|
} |
1008 |
|
|
1009 |
|
/** |
1010 |
< |
* if there is a consumer waiting poll or take tryTransfer returns |
1011 |
< |
* true while enqueueing object |
1010 |
> |
* If there is a consumer waiting in timed poll, tryTransfer |
1011 |
> |
* returns true while successfully transfering object. |
1012 |
|
*/ |
1013 |
< |
public void testTryTransfer3() { |
1014 |
< |
try { |
1015 |
< |
final LinkedTransferQueue q = new LinkedTransferQueue(); |
1091 |
< |
new Thread(new Runnable() { |
1013 |
> |
public void testTryTransfer3() throws InterruptedException { |
1014 |
> |
final Object hotPotato = new Object(); |
1015 |
> |
final LinkedTransferQueue q = new LinkedTransferQueue(); |
1016 |
|
|
1017 |
< |
public void run() { |
1018 |
< |
try { |
1019 |
< |
threadAssertTrue(q.hasWaitingConsumer()); |
1020 |
< |
threadAssertTrue(q.tryTransfer(new Object())); |
1021 |
< |
} catch (Exception ex) { |
1022 |
< |
threadUnexpectedException(); |
1023 |
< |
} |
1017 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1018 |
> |
public void realRun() { |
1019 |
> |
while (! q.hasWaitingConsumer()) |
1020 |
> |
Thread.yield(); |
1021 |
> |
assertTrue(q.hasWaitingConsumer()); |
1022 |
> |
checkEmpty(q); |
1023 |
> |
assertTrue(q.tryTransfer(hotPotato)); |
1024 |
> |
}}); |
1025 |
> |
|
1026 |
> |
assertSame(hotPotato, q.poll(MEDIUM_DELAY_MS, MILLISECONDS)); |
1027 |
> |
checkEmpty(q); |
1028 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
1029 |
> |
} |
1030 |
|
|
1031 |
< |
} |
1032 |
< |
}).start(); |
1033 |
< |
assertTrue(q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS) != null); |
1034 |
< |
assertTrue(q.isEmpty()); |
1035 |
< |
} catch (Exception ex) { |
1036 |
< |
this.unexpectedException(); |
1037 |
< |
} |
1031 |
> |
/** |
1032 |
> |
* If there is a consumer waiting in take, tryTransfer returns |
1033 |
> |
* true while successfully transfering object. |
1034 |
> |
*/ |
1035 |
> |
public void testTryTransfer4() throws InterruptedException { |
1036 |
> |
final Object hotPotato = new Object(); |
1037 |
> |
final LinkedTransferQueue q = new LinkedTransferQueue(); |
1038 |
> |
|
1039 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1040 |
> |
public void realRun() { |
1041 |
> |
while (! q.hasWaitingConsumer()) |
1042 |
> |
Thread.yield(); |
1043 |
> |
assertTrue(q.hasWaitingConsumer()); |
1044 |
> |
checkEmpty(q); |
1045 |
> |
assertTrue(q.tryTransfer(hotPotato)); |
1046 |
> |
}}); |
1047 |
> |
|
1048 |
> |
assertSame(q.take(), hotPotato); |
1049 |
> |
checkEmpty(q); |
1050 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
1051 |
|
} |
1052 |
|
|
1053 |
|
/** |
1054 |
< |
* tryTransfer waits the amount given if interrupted, show an |
1055 |
< |
* interrupted exception |
1054 |
> |
* tryTransfer waits the amount given, and throws |
1055 |
> |
* InterruptedException when interrupted. |
1056 |
|
*/ |
1057 |
< |
public void testTryTransfer4() { |
1057 |
> |
public void testTryTransfer5() throws InterruptedException { |
1058 |
|
final LinkedTransferQueue q = new LinkedTransferQueue(); |
1059 |
< |
Thread toInterrupt = new Thread(new Runnable() { |
1059 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
1060 |
> |
assertTrue(q.isEmpty()); |
1061 |
|
|
1062 |
< |
public void run() { |
1062 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1063 |
> |
public void realRun() throws InterruptedException { |
1064 |
> |
long t0 = System.nanoTime(); |
1065 |
> |
threadStarted.countDown(); |
1066 |
|
try { |
1067 |
< |
q.tryTransfer(new Object(), LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
1068 |
< |
threadShouldThrow(); |
1069 |
< |
} catch (InterruptedException ex) { |
1070 |
< |
} |
1071 |
< |
} |
1072 |
< |
}); |
1073 |
< |
try { |
1074 |
< |
toInterrupt.start(); |
1075 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1076 |
< |
toInterrupt.interrupt(); |
1077 |
< |
} catch (Exception ex) { |
1078 |
< |
this.unexpectedException(); |
1079 |
< |
} |
1067 |
> |
q.tryTransfer(new Object(), LONG_DELAY_MS, MILLISECONDS); |
1068 |
> |
shouldThrow(); |
1069 |
> |
} catch (InterruptedException success) {} |
1070 |
> |
assertTrue(millisElapsedSince(t0) >= SHORT_DELAY_MS); |
1071 |
> |
assertTrue(millisElapsedSince(t0) < MEDIUM_DELAY_MS); |
1072 |
> |
}}); |
1073 |
> |
|
1074 |
> |
threadStarted.await(); |
1075 |
> |
while (q.isEmpty()) |
1076 |
> |
Thread.yield(); |
1077 |
> |
delay(SHORT_DELAY_MS); |
1078 |
> |
t.interrupt(); |
1079 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
1080 |
> |
checkEmpty(q); |
1081 |
|
} |
1082 |
|
|
1083 |
|
/** |
1084 |
< |
* tryTransfer gives up after the timeout and return false |
1084 |
> |
* tryTransfer gives up after the timeout and returns false |
1085 |
|
*/ |
1086 |
< |
public void testTryTransfer5() { |
1086 |
> |
public void testTryTransfer6() throws InterruptedException { |
1087 |
|
final LinkedTransferQueue q = new LinkedTransferQueue(); |
1140 |
– |
try { |
1141 |
– |
new Thread(new Runnable() { |
1088 |
|
|
1089 |
< |
public void run() { |
1090 |
< |
try { |
1091 |
< |
threadAssertFalse(q.tryTransfer(new Object(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
1092 |
< |
} catch (InterruptedException ex) { |
1093 |
< |
threadUnexpectedException(); |
1094 |
< |
} |
1095 |
< |
} |
1096 |
< |
}).start(); |
1097 |
< |
Thread.sleep(LONG_DELAY_MS); |
1098 |
< |
assertTrue(q.isEmpty()); |
1099 |
< |
} catch (Exception ex) { |
1154 |
< |
this.unexpectedException(); |
1155 |
< |
} |
1089 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1090 |
> |
public void realRun() throws InterruptedException { |
1091 |
> |
long t0 = System.nanoTime(); |
1092 |
> |
assertFalse(q.tryTransfer(new Object(), |
1093 |
> |
SHORT_DELAY_MS, MILLISECONDS)); |
1094 |
> |
assertTrue(millisElapsedSince(t0) >= SHORT_DELAY_MS); |
1095 |
> |
checkEmpty(q); |
1096 |
> |
}}); |
1097 |
> |
|
1098 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
1099 |
> |
checkEmpty(q); |
1100 |
|
} |
1101 |
|
|
1102 |
|
/** |
1103 |
|
* tryTransfer waits for any elements previously in to be removed |
1104 |
|
* before transfering to a poll or take |
1105 |
|
*/ |
1106 |
< |
public void testTryTransfer6() { |
1106 |
> |
public void testTryTransfer7() throws InterruptedException { |
1107 |
|
final LinkedTransferQueue q = new LinkedTransferQueue(); |
1108 |
< |
q.offer(new Integer(four)); |
1165 |
< |
new Thread(new Runnable() { |
1108 |
> |
assertTrue(q.offer(four)); |
1109 |
|
|
1110 |
< |
public void run() { |
1111 |
< |
try { |
1112 |
< |
threadAssertTrue(q.tryTransfer(new Integer(five), LONG_DELAY_MS, TimeUnit.MILLISECONDS)); |
1113 |
< |
threadAssertTrue(q.isEmpty()); |
1114 |
< |
} catch (InterruptedException ex) { |
1115 |
< |
threadUnexpectedException(); |
1116 |
< |
} |
1117 |
< |
} |
1118 |
< |
}).start(); |
1119 |
< |
try { |
1120 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1121 |
< |
assertEquals(2, q.size()); |
1122 |
< |
assertEquals(new Integer(four), q.poll()); |
1180 |
< |
assertEquals(new Integer(five), q.poll()); |
1181 |
< |
assertTrue(q.isEmpty()); |
1182 |
< |
} catch (Exception ex) { |
1183 |
< |
this.unexpectedException(); |
1184 |
< |
} |
1110 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1111 |
> |
public void realRun() throws InterruptedException { |
1112 |
> |
assertTrue(q.tryTransfer(five, MEDIUM_DELAY_MS, MILLISECONDS)); |
1113 |
> |
checkEmpty(q); |
1114 |
> |
}}); |
1115 |
> |
|
1116 |
> |
while (q.size() != 2) |
1117 |
> |
Thread.yield(); |
1118 |
> |
assertEquals(2, q.size()); |
1119 |
> |
assertSame(four, q.poll()); |
1120 |
> |
assertSame(five, q.poll()); |
1121 |
> |
checkEmpty(q); |
1122 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
1123 |
|
} |
1124 |
|
|
1125 |
|
/** |
1126 |
< |
* tryTransfer attempts to enqueue into the q and fails returning false not |
1127 |
< |
* enqueueing and the successing poll is null |
1126 |
> |
* tryTransfer attempts to enqueue into the queue and fails |
1127 |
> |
* returning false not enqueueing and the successive poll is null |
1128 |
|
*/ |
1129 |
< |
public void testTryTransfer7() { |
1129 |
> |
public void testTryTransfer8() throws InterruptedException { |
1130 |
|
final LinkedTransferQueue q = new LinkedTransferQueue(); |
1131 |
< |
q.offer(new Integer(four)); |
1132 |
< |
new Thread(new Runnable() { |
1133 |
< |
|
1134 |
< |
public void run() { |
1135 |
< |
try { |
1136 |
< |
threadAssertFalse(q.tryTransfer(new Integer(five), SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
1137 |
< |
threadAssertTrue(q.isEmpty()); |
1138 |
< |
} catch (InterruptedException ex) { |
1139 |
< |
threadUnexpectedException(); |
1202 |
< |
} |
1203 |
< |
} |
1204 |
< |
}).start(); |
1205 |
< |
try { |
1206 |
< |
assertEquals(1, q.size()); |
1207 |
< |
assertEquals(new Integer(four), q.poll()); |
1208 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1209 |
< |
assertNull(q.poll()); |
1210 |
< |
} catch (Exception ex) { |
1211 |
< |
this.unexpectedException(); |
1212 |
< |
} |
1131 |
> |
assertTrue(q.offer(four)); |
1132 |
> |
assertEquals(1, q.size()); |
1133 |
> |
long t0 = System.nanoTime(); |
1134 |
> |
assertFalse(q.tryTransfer(five, SHORT_DELAY_MS, MILLISECONDS)); |
1135 |
> |
assertTrue(millisElapsedSince(t0) >= SHORT_DELAY_MS); |
1136 |
> |
assertEquals(1, q.size()); |
1137 |
> |
assertSame(four, q.poll()); |
1138 |
> |
assertNull(q.poll()); |
1139 |
> |
checkEmpty(q); |
1140 |
|
} |
1141 |
|
|
1142 |
< |
private LinkedTransferQueue populatedQueue( |
1143 |
< |
int n) { |
1144 |
< |
LinkedTransferQueue q = new LinkedTransferQueue(); |
1145 |
< |
assertTrue(q.isEmpty()); |
1146 |
< |
int remainingCapacity = q.remainingCapacity(); |
1220 |
< |
for (int i = 0; i < |
1221 |
< |
n; i++) { |
1142 |
> |
private LinkedTransferQueue<Integer> populatedQueue(int n) { |
1143 |
> |
LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>(); |
1144 |
> |
checkEmpty(q); |
1145 |
> |
for (int i = 0; i < n; i++) { |
1146 |
> |
assertEquals(i, q.size()); |
1147 |
|
assertTrue(q.offer(i)); |
1148 |
+ |
assertEquals(Integer.MAX_VALUE, q.remainingCapacity()); |
1149 |
|
} |
1224 |
– |
|
1150 |
|
assertFalse(q.isEmpty()); |
1226 |
– |
assertEquals(remainingCapacity, q.remainingCapacity()); |
1227 |
– |
assertEquals(n, q.size()); |
1151 |
|
return q; |
1152 |
|
} |
1230 |
– |
|
1231 |
– |
private static class ConsumerObserver { |
1232 |
– |
|
1233 |
– |
private int waitingConsumers; |
1234 |
– |
|
1235 |
– |
private ConsumerObserver() { |
1236 |
– |
} |
1237 |
– |
|
1238 |
– |
private void setWaitingConsumer(int i) { |
1239 |
– |
this.waitingConsumers = i; |
1240 |
– |
} |
1241 |
– |
|
1242 |
– |
private int getWaitingConsumers() { |
1243 |
– |
return waitingConsumers; |
1244 |
– |
} |
1245 |
– |
} |
1153 |
|
} |