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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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import junit.framework.*; |
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import java.util.*; |
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import 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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|
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public class PriorityBlockingQueueTest 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 PriorityBlockingQueue(); |
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} |
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} |
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|
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public static class InitialCapacity extends BlockingQueueTest { |
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protected BlockingQueue emptyCollection() { |
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return new PriorityBlockingQueue(20); |
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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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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(PriorityBlockingQueueTest.class); |
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return newTestSuite(PriorityBlockingQueueTest.class, |
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new Generic().testSuite(), |
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new InitialCapacity().testSuite()); |
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} |
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|
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private static final int NOCAP = Integer.MAX_VALUE; |
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/** Sample Comparator */ |
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static class MyReverseComparator implements Comparator { |
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public int compare(Object x, Object y) { |
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int i = ((Integer)x).intValue(); |
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int j = ((Integer)y).intValue(); |
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if (i < j) return 1; |
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if (i > j) return -1; |
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return 0; |
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return ((Comparable)y).compareTo(x); |
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} |
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} |
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|
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* Create a queue of given size containing consecutive |
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* Integers 0 ... n. |
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*/ |
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private PriorityBlockingQueue populatedQueue(int n) { |
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PriorityBlockingQueue q = new PriorityBlockingQueue(n); |
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private PriorityBlockingQueue<Integer> populatedQueue(int n) { |
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PriorityBlockingQueue<Integer> q = |
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new PriorityBlockingQueue<Integer>(n); |
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assertTrue(q.isEmpty()); |
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for (int i = n-1; i >= 0; i-=2) |
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assertTrue(q.offer(new Integer(i))); |
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for (int i = (n & 1); i < n; i+=2) |
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assertTrue(q.offer(new Integer(i))); |
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for (int i = n-1; i >= 0; i-=2) |
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assertTrue(q.offer(new Integer(i))); |
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for (int i = (n & 1); i < n; i+=2) |
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assertTrue(q.offer(new Integer(i))); |
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assertFalse(q.isEmpty()); |
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assertEquals(NOCAP, q.remainingCapacity()); |
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assertEquals(n, q.size()); |
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assertEquals(n, q.size()); |
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return q; |
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} |
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|
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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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PriorityBlockingQueue q = new PriorityBlockingQueue(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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PriorityBlockingQueue q = new PriorityBlockingQueue(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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PriorityBlockingQueue q = new PriorityBlockingQueue(Arrays.asList(ints)); |
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shouldThrow(); |
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} |
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catch (NullPointerException success) {} |
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} catch (NullPointerException success) {} |
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} |
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/** |
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ints[i] = new Integer(i); |
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PriorityBlockingQueue q = new PriorityBlockingQueue(Arrays.asList(ints)); |
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shouldThrow(); |
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} |
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catch (NullPointerException success) {} |
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} catch (NullPointerException success) {} |
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} |
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|
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/** |
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* Queue contains all elements of collection used to initialize |
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*/ |
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public void testConstructor6() { |
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try { |
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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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PriorityBlockingQueue q = new PriorityBlockingQueue(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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PriorityBlockingQueue q = new PriorityBlockingQueue(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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* The comparator used in constructor is used |
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*/ |
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public void testConstructor7() { |
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try { |
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MyReverseComparator cmp = new MyReverseComparator(); |
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PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE, cmp); |
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assertEquals(cmp, q.comparator()); |
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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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q.addAll(Arrays.asList(ints)); |
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for (int i = SIZE-1; i >= 0; --i) |
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assertEquals(ints[i], q.poll()); |
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} |
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finally {} |
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MyReverseComparator cmp = new MyReverseComparator(); |
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PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE, cmp); |
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assertEquals(cmp, q.comparator()); |
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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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q.addAll(Arrays.asList(ints)); |
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for (int i = SIZE-1; i >= 0; --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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PriorityBlockingQueue q = new PriorityBlockingQueue(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 |
190 |
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*/ |
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public void testAddNull() { |
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try { |
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try { |
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PriorityBlockingQueue q = new PriorityBlockingQueue(1); |
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q.add(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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q.offer(new Object()); |
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q.offer(new Object()); |
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shouldThrow(); |
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} |
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catch (ClassCastException success) {} |
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} catch (ClassCastException success) {} |
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} |
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|
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/** |
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PriorityBlockingQueue q = new PriorityBlockingQueue(1); |
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q.addAll(null); |
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shouldThrow(); |
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} |
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catch (NullPointerException success) {} |
240 |
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} catch (NullPointerException success) {} |
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} |
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|
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/** |
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PriorityBlockingQueue q = populatedQueue(SIZE); |
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q.addAll(q); |
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shouldThrow(); |
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} |
250 |
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catch (IllegalArgumentException success) {} |
251 |
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} catch (IllegalArgumentException 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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q.addAll(Arrays.asList(ints)); |
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shouldThrow(); |
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} |
263 |
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catch (NullPointerException success) {} |
263 |
> |
} catch (NullPointerException success) {} |
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} |
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|
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/** |
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* addAll of a collection with any null elements throws NPE after |
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* possibly adding some elements |
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ints[i] = new Integer(i); |
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q.addAll(Arrays.asList(ints)); |
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shouldThrow(); |
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} |
278 |
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catch (NullPointerException success) {} |
278 |
> |
} catch (NullPointerException success) {} |
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} |
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|
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/** |
282 |
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* Queue contains all elements of successful addAll |
283 |
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*/ |
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public void testAddAll5() { |
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try { |
286 |
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Integer[] empty = new Integer[0]; |
287 |
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Integer[] ints = new Integer[SIZE]; |
288 |
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for (int i = SIZE-1; i >= 0; --i) |
289 |
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ints[i] = new Integer(i); |
290 |
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PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE); |
291 |
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assertFalse(q.addAll(Arrays.asList(empty))); |
292 |
< |
assertTrue(q.addAll(Arrays.asList(ints))); |
293 |
< |
for (int i = 0; i < SIZE; ++i) |
294 |
< |
assertEquals(ints[i], q.poll()); |
295 |
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} |
296 |
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finally {} |
285 |
> |
Integer[] empty = new Integer[0]; |
286 |
> |
Integer[] ints = new Integer[SIZE]; |
287 |
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for (int i = SIZE-1; i >= 0; --i) |
288 |
> |
ints[i] = new Integer(i); |
289 |
> |
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE); |
290 |
> |
assertFalse(q.addAll(Arrays.asList(empty))); |
291 |
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assertTrue(q.addAll(Arrays.asList(ints))); |
292 |
> |
for (int i = 0; i < SIZE; ++i) |
293 |
> |
assertEquals(ints[i], q.poll()); |
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} |
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|
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/** |
297 |
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* put(null) throws NPE |
298 |
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*/ |
299 |
< |
public void testPutNull() { |
300 |
< |
try { |
299 |
> |
public void testPutNull() { |
300 |
> |
try { |
301 |
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PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE); |
302 |
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q.put(null); |
303 |
|
shouldThrow(); |
304 |
< |
} |
305 |
< |
catch (NullPointerException success) { |
309 |
< |
} |
310 |
< |
} |
304 |
> |
} catch (NullPointerException success) {} |
305 |
> |
} |
306 |
|
|
307 |
|
/** |
308 |
|
* all elements successfully put are contained |
309 |
|
*/ |
310 |
< |
public void testPut() { |
311 |
< |
try { |
312 |
< |
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE); |
313 |
< |
for (int i = 0; i < SIZE; ++i) { |
314 |
< |
Integer I = new Integer(i); |
315 |
< |
q.put(I); |
321 |
< |
assertTrue(q.contains(I)); |
322 |
< |
} |
323 |
< |
assertEquals(SIZE, q.size()); |
324 |
< |
} |
325 |
< |
finally { |
310 |
> |
public void testPut() { |
311 |
> |
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE); |
312 |
> |
for (int i = 0; i < SIZE; ++i) { |
313 |
> |
Integer I = new Integer(i); |
314 |
> |
q.put(I); |
315 |
> |
assertTrue(q.contains(I)); |
316 |
|
} |
317 |
+ |
assertEquals(SIZE, q.size()); |
318 |
|
} |
319 |
|
|
320 |
|
/** |
321 |
|
* put doesn't block waiting for take |
322 |
|
*/ |
323 |
< |
public void testPutWithTake() { |
323 |
> |
public void testPutWithTake() throws InterruptedException { |
324 |
|
final PriorityBlockingQueue q = new PriorityBlockingQueue(2); |
325 |
< |
Thread t = new Thread(new Runnable() { |
326 |
< |
public void run() { |
327 |
< |
int added = 0; |
328 |
< |
try { |
329 |
< |
q.put(new Integer(0)); |
330 |
< |
++added; |
331 |
< |
q.put(new Integer(0)); |
332 |
< |
++added; |
333 |
< |
q.put(new Integer(0)); |
334 |
< |
++added; |
335 |
< |
q.put(new Integer(0)); |
336 |
< |
++added; |
337 |
< |
threadAssertTrue(added == 4); |
347 |
< |
} finally { |
348 |
< |
} |
349 |
< |
} |
350 |
< |
}); |
351 |
< |
try { |
352 |
< |
t.start(); |
353 |
< |
Thread.sleep(SHORT_DELAY_MS); |
354 |
< |
q.take(); |
355 |
< |
t.interrupt(); |
356 |
< |
t.join(); |
357 |
< |
} catch (Exception e) { |
358 |
< |
unexpectedException(); |
359 |
< |
} |
325 |
> |
final int size = 4; |
326 |
> |
Thread t = new Thread(new CheckedRunnable() { |
327 |
> |
public void realRun() { |
328 |
> |
for (int i = 0; i < size; i++) |
329 |
> |
q.put(new Integer(0)); |
330 |
> |
}}); |
331 |
> |
|
332 |
> |
t.start(); |
333 |
> |
delay(SHORT_DELAY_MS); |
334 |
> |
assertEquals(q.size(), size); |
335 |
> |
q.take(); |
336 |
> |
t.interrupt(); |
337 |
> |
t.join(); |
338 |
|
} |
339 |
|
|
340 |
|
/** |
341 |
|
* timed offer does not time out |
342 |
|
*/ |
343 |
< |
public void testTimedOffer() { |
343 |
> |
public void testTimedOffer() throws InterruptedException { |
344 |
|
final PriorityBlockingQueue q = new PriorityBlockingQueue(2); |
345 |
< |
Thread t = new Thread(new Runnable() { |
346 |
< |
public void run() { |
347 |
< |
try { |
348 |
< |
q.put(new Integer(0)); |
349 |
< |
q.put(new Integer(0)); |
350 |
< |
threadAssertTrue(q.offer(new Integer(0), SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
351 |
< |
threadAssertTrue(q.offer(new Integer(0), LONG_DELAY_MS, TimeUnit.MILLISECONDS)); |
374 |
< |
} finally { } |
375 |
< |
} |
376 |
< |
}); |
345 |
> |
Thread t = new Thread(new CheckedRunnable() { |
346 |
> |
public void realRun() { |
347 |
> |
q.put(new Integer(0)); |
348 |
> |
q.put(new Integer(0)); |
349 |
> |
assertTrue(q.offer(new Integer(0), SHORT_DELAY_MS, MILLISECONDS)); |
350 |
> |
assertTrue(q.offer(new Integer(0), LONG_DELAY_MS, MILLISECONDS)); |
351 |
> |
}}); |
352 |
|
|
353 |
< |
try { |
354 |
< |
t.start(); |
355 |
< |
Thread.sleep(SMALL_DELAY_MS); |
356 |
< |
t.interrupt(); |
382 |
< |
t.join(); |
383 |
< |
} catch (Exception e) { |
384 |
< |
unexpectedException(); |
385 |
< |
} |
353 |
> |
t.start(); |
354 |
> |
delay(SMALL_DELAY_MS); |
355 |
> |
t.interrupt(); |
356 |
> |
t.join(); |
357 |
|
} |
358 |
|
|
359 |
|
/** |
360 |
|
* take retrieves elements in priority order |
361 |
|
*/ |
362 |
< |
public void testTake() { |
363 |
< |
try { |
364 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
365 |
< |
for (int i = 0; i < SIZE; ++i) { |
395 |
< |
assertEquals(i, ((Integer)q.take()).intValue()); |
396 |
< |
} |
397 |
< |
} catch (InterruptedException e) { |
398 |
< |
unexpectedException(); |
399 |
< |
} |
400 |
< |
} |
401 |
< |
|
402 |
< |
/** |
403 |
< |
* take blocks interruptibly when empty |
404 |
< |
*/ |
405 |
< |
public void testTakeFromEmpty() { |
406 |
< |
final PriorityBlockingQueue q = new PriorityBlockingQueue(2); |
407 |
< |
Thread t = new Thread(new Runnable() { |
408 |
< |
public void run() { |
409 |
< |
try { |
410 |
< |
q.take(); |
411 |
< |
threadShouldThrow(); |
412 |
< |
} catch (InterruptedException success) { } |
413 |
< |
} |
414 |
< |
}); |
415 |
< |
try { |
416 |
< |
t.start(); |
417 |
< |
Thread.sleep(SHORT_DELAY_MS); |
418 |
< |
t.interrupt(); |
419 |
< |
t.join(); |
420 |
< |
} catch (Exception e) { |
421 |
< |
unexpectedException(); |
362 |
> |
public void testTake() throws InterruptedException { |
363 |
> |
PriorityBlockingQueue q = populatedQueue(SIZE); |
364 |
> |
for (int i = 0; i < SIZE; ++i) { |
365 |
> |
assertEquals(i, q.take()); |
366 |
|
} |
367 |
|
} |
368 |
|
|
369 |
|
/** |
370 |
|
* Take removes existing elements until empty, then blocks interruptibly |
371 |
|
*/ |
372 |
< |
public void testBlockingTake() { |
373 |
< |
Thread t = new Thread(new Runnable() { |
374 |
< |
public void run() { |
375 |
< |
try { |
376 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
377 |
< |
for (int i = 0; i < SIZE; ++i) { |
378 |
< |
threadAssertEquals(i, ((Integer)q.take()).intValue()); |
379 |
< |
} |
380 |
< |
q.take(); |
381 |
< |
threadShouldThrow(); |
382 |
< |
} catch (InterruptedException success) { |
383 |
< |
} |
384 |
< |
}}); |
372 |
> |
public void testBlockingTake() throws InterruptedException { |
373 |
> |
final PriorityBlockingQueue q = populatedQueue(SIZE); |
374 |
> |
Thread t = new Thread(new CheckedRunnable() { |
375 |
> |
public void realRun() throws InterruptedException { |
376 |
> |
for (int i = 0; i < SIZE; ++i) { |
377 |
> |
assertEquals(i, q.take()); |
378 |
> |
} |
379 |
> |
try { |
380 |
> |
q.take(); |
381 |
> |
shouldThrow(); |
382 |
> |
} catch (InterruptedException success) {} |
383 |
> |
}}); |
384 |
> |
|
385 |
|
t.start(); |
386 |
< |
try { |
387 |
< |
Thread.sleep(SHORT_DELAY_MS); |
388 |
< |
t.interrupt(); |
445 |
< |
t.join(); |
446 |
< |
} |
447 |
< |
catch (InterruptedException ie) { |
448 |
< |
unexpectedException(); |
449 |
< |
} |
386 |
> |
delay(SHORT_DELAY_MS); |
387 |
> |
t.interrupt(); |
388 |
> |
t.join(); |
389 |
|
} |
390 |
|
|
391 |
|
|
395 |
|
public void testPoll() { |
396 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
397 |
|
for (int i = 0; i < SIZE; ++i) { |
398 |
< |
assertEquals(i, ((Integer)q.poll()).intValue()); |
398 |
> |
assertEquals(i, q.poll()); |
399 |
|
} |
400 |
< |
assertNull(q.poll()); |
400 |
> |
assertNull(q.poll()); |
401 |
|
} |
402 |
|
|
403 |
|
/** |
404 |
< |
* timed pool with zero timeout succeeds when non-empty, else times out |
404 |
> |
* timed poll with zero timeout succeeds when non-empty, else times out |
405 |
|
*/ |
406 |
< |
public void testTimedPoll0() { |
407 |
< |
try { |
408 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
409 |
< |
for (int i = 0; i < SIZE; ++i) { |
410 |
< |
assertEquals(i, ((Integer)q.poll(0, TimeUnit.MILLISECONDS)).intValue()); |
411 |
< |
} |
473 |
< |
assertNull(q.poll(0, TimeUnit.MILLISECONDS)); |
474 |
< |
} catch (InterruptedException e) { |
475 |
< |
unexpectedException(); |
476 |
< |
} |
406 |
> |
public void testTimedPoll0() throws InterruptedException { |
407 |
> |
PriorityBlockingQueue q = populatedQueue(SIZE); |
408 |
> |
for (int i = 0; i < SIZE; ++i) { |
409 |
> |
assertEquals(i, q.poll(0, MILLISECONDS)); |
410 |
> |
} |
411 |
> |
assertNull(q.poll(0, MILLISECONDS)); |
412 |
|
} |
413 |
|
|
414 |
|
/** |
415 |
< |
* timed pool with nonzero timeout succeeds when non-empty, else times out |
415 |
> |
* timed poll with nonzero timeout succeeds when non-empty, else times out |
416 |
|
*/ |
417 |
< |
public void testTimedPoll() { |
418 |
< |
try { |
419 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
420 |
< |
for (int i = 0; i < SIZE; ++i) { |
421 |
< |
assertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)).intValue()); |
422 |
< |
} |
488 |
< |
assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
489 |
< |
} catch (InterruptedException e) { |
490 |
< |
unexpectedException(); |
491 |
< |
} |
417 |
> |
public void testTimedPoll() throws InterruptedException { |
418 |
> |
PriorityBlockingQueue q = populatedQueue(SIZE); |
419 |
> |
for (int i = 0; i < SIZE; ++i) { |
420 |
> |
assertEquals(i, q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
421 |
> |
} |
422 |
> |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
423 |
|
} |
424 |
|
|
425 |
|
/** |
426 |
|
* Interrupted timed poll throws InterruptedException instead of |
427 |
|
* returning timeout status |
428 |
|
*/ |
429 |
< |
public void testInterruptedTimedPoll() { |
430 |
< |
Thread t = new Thread(new Runnable() { |
431 |
< |
public void run() { |
432 |
< |
try { |
433 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
434 |
< |
for (int i = 0; i < SIZE; ++i) { |
435 |
< |
threadAssertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)).intValue()); |
436 |
< |
} |
437 |
< |
threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
507 |
< |
} catch (InterruptedException success) { |
508 |
< |
} |
509 |
< |
}}); |
510 |
< |
t.start(); |
511 |
< |
try { |
512 |
< |
Thread.sleep(SHORT_DELAY_MS); |
513 |
< |
t.interrupt(); |
514 |
< |
t.join(); |
515 |
< |
} |
516 |
< |
catch (InterruptedException ie) { |
517 |
< |
unexpectedException(); |
518 |
< |
} |
519 |
< |
} |
520 |
< |
|
521 |
< |
/** |
522 |
< |
* timed poll before a delayed offer fails; after offer succeeds; |
523 |
< |
* on interruption throws |
524 |
< |
*/ |
525 |
< |
public void testTimedPollWithOffer() { |
526 |
< |
final PriorityBlockingQueue q = new PriorityBlockingQueue(2); |
527 |
< |
Thread t = new Thread(new Runnable() { |
528 |
< |
public void run() { |
529 |
< |
try { |
530 |
< |
threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
531 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
532 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
533 |
< |
threadShouldThrow(); |
534 |
< |
} catch (InterruptedException success) { } |
429 |
> |
public void testInterruptedTimedPoll() throws InterruptedException { |
430 |
> |
final BlockingQueue<Integer> q = populatedQueue(SIZE); |
431 |
> |
final CountDownLatch aboutToWait = new CountDownLatch(1); |
432 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
433 |
> |
public void realRun() throws InterruptedException { |
434 |
> |
for (int i = 0; i < SIZE; ++i) { |
435 |
> |
long t0 = System.nanoTime(); |
436 |
> |
assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS)); |
437 |
> |
assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS); |
438 |
|
} |
439 |
< |
}); |
440 |
< |
try { |
441 |
< |
t.start(); |
442 |
< |
Thread.sleep(SMALL_DELAY_MS); |
443 |
< |
assertTrue(q.offer(new Integer(0), SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
444 |
< |
t.interrupt(); |
445 |
< |
t.join(); |
446 |
< |
} catch (Exception e) { |
447 |
< |
unexpectedException(); |
545 |
< |
} |
546 |
< |
} |
439 |
> |
long t0 = System.nanoTime(); |
440 |
> |
aboutToWait.countDown(); |
441 |
> |
try { |
442 |
> |
q.poll(MEDIUM_DELAY_MS, MILLISECONDS); |
443 |
> |
shouldThrow(); |
444 |
> |
} catch (InterruptedException success) { |
445 |
> |
assertTrue(millisElapsedSince(t0) < MEDIUM_DELAY_MS); |
446 |
> |
} |
447 |
> |
}}); |
448 |
|
|
449 |
+ |
aboutToWait.await(); |
450 |
+ |
waitForThreadToEnterWaitState(t, SMALL_DELAY_MS); |
451 |
+ |
t.interrupt(); |
452 |
+ |
awaitTermination(t, MEDIUM_DELAY_MS); |
453 |
+ |
} |
454 |
|
|
455 |
|
/** |
456 |
|
* peek returns next element, or null if empty |
458 |
|
public void testPeek() { |
459 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
460 |
|
for (int i = 0; i < SIZE; ++i) { |
461 |
< |
assertEquals(i, ((Integer)q.peek()).intValue()); |
462 |
< |
q.poll(); |
461 |
> |
assertEquals(i, q.peek()); |
462 |
> |
assertEquals(i, q.poll()); |
463 |
|
assertTrue(q.peek() == null || |
464 |
< |
i != ((Integer)q.peek()).intValue()); |
464 |
> |
!q.peek().equals(i)); |
465 |
|
} |
466 |
< |
assertNull(q.peek()); |
466 |
> |
assertNull(q.peek()); |
467 |
|
} |
468 |
|
|
469 |
|
/** |
472 |
|
public void testElement() { |
473 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
474 |
|
for (int i = 0; i < SIZE; ++i) { |
475 |
< |
assertEquals(i, ((Integer)q.element()).intValue()); |
476 |
< |
q.poll(); |
475 |
> |
assertEquals(i, q.element()); |
476 |
> |
assertEquals(i, q.poll()); |
477 |
|
} |
478 |
|
try { |
479 |
|
q.element(); |
480 |
|
shouldThrow(); |
481 |
< |
} |
576 |
< |
catch (NoSuchElementException success) {} |
481 |
> |
} catch (NoSuchElementException success) {} |
482 |
|
} |
483 |
|
|
484 |
|
/** |
487 |
|
public void testRemove() { |
488 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
489 |
|
for (int i = 0; i < SIZE; ++i) { |
490 |
< |
assertEquals(i, ((Integer)q.remove()).intValue()); |
490 |
> |
assertEquals(i, q.remove()); |
491 |
|
} |
492 |
|
try { |
493 |
|
q.remove(); |
494 |
|
shouldThrow(); |
495 |
< |
} catch (NoSuchElementException success) { |
591 |
< |
} |
495 |
> |
} catch (NoSuchElementException success) {} |
496 |
|
} |
497 |
|
|
498 |
|
/** |
501 |
|
public void testRemoveElement() { |
502 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
503 |
|
for (int i = 1; i < SIZE; i+=2) { |
504 |
< |
assertTrue(q.remove(new Integer(i))); |
504 |
> |
assertTrue(q.contains(i)); |
505 |
> |
assertTrue(q.remove(i)); |
506 |
> |
assertFalse(q.contains(i)); |
507 |
> |
assertTrue(q.contains(i-1)); |
508 |
|
} |
509 |
|
for (int i = 0; i < SIZE; i+=2) { |
510 |
< |
assertTrue(q.remove(new Integer(i))); |
511 |
< |
assertFalse(q.remove(new Integer(i+1))); |
510 |
> |
assertTrue(q.contains(i)); |
511 |
> |
assertTrue(q.remove(i)); |
512 |
> |
assertFalse(q.contains(i)); |
513 |
> |
assertFalse(q.remove(i+1)); |
514 |
> |
assertFalse(q.contains(i+1)); |
515 |
|
} |
516 |
|
assertTrue(q.isEmpty()); |
517 |
|
} |
593 |
|
} |
594 |
|
|
595 |
|
/** |
596 |
< |
* toArray contains all elements |
596 |
> |
* toArray contains all elements |
597 |
|
*/ |
598 |
< |
public void testToArray() { |
598 |
> |
public void testToArray() throws InterruptedException { |
599 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
600 |
< |
Object[] o = q.toArray(); |
600 |
> |
Object[] o = q.toArray(); |
601 |
|
Arrays.sort(o); |
602 |
< |
try { |
603 |
< |
for (int i = 0; i < o.length; i++) |
694 |
< |
assertEquals(o[i], q.take()); |
695 |
< |
} catch (InterruptedException e) { |
696 |
< |
unexpectedException(); |
697 |
< |
} |
602 |
> |
for (int i = 0; i < o.length; i++) |
603 |
> |
assertSame(o[i], q.take()); |
604 |
|
} |
605 |
|
|
606 |
|
/** |
607 |
|
* toArray(a) contains all elements |
608 |
|
*/ |
609 |
< |
public void testToArray2() { |
610 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
611 |
< |
Integer[] ints = new Integer[SIZE]; |
612 |
< |
ints = (Integer[])q.toArray(ints); |
609 |
> |
public void testToArray2() throws InterruptedException { |
610 |
> |
PriorityBlockingQueue<Integer> q = populatedQueue(SIZE); |
611 |
> |
Integer[] ints = new Integer[SIZE]; |
612 |
> |
Integer[] array = q.toArray(ints); |
613 |
> |
assertSame(ints, array); |
614 |
|
Arrays.sort(ints); |
615 |
< |
try { |
616 |
< |
for (int i = 0; i < ints.length; i++) |
710 |
< |
assertEquals(ints[i], q.take()); |
711 |
< |
} catch (InterruptedException e) { |
712 |
< |
unexpectedException(); |
713 |
< |
} |
615 |
> |
for (int i = 0; i < ints.length; i++) |
616 |
> |
assertSame(ints[i], q.take()); |
617 |
|
} |
618 |
|
|
619 |
|
/** |
620 |
< |
* toArray(null) throws NPE |
620 |
> |
* toArray(null) throws NullPointerException |
621 |
|
*/ |
622 |
< |
public void testToArray_BadArg() { |
623 |
< |
try { |
624 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
625 |
< |
Object o[] = q.toArray(null); |
626 |
< |
shouldThrow(); |
627 |
< |
} catch (NullPointerException success) {} |
622 |
> |
public void testToArray_NullArg() { |
623 |
> |
PriorityBlockingQueue q = populatedQueue(SIZE); |
624 |
> |
try { |
625 |
> |
q.toArray(null); |
626 |
> |
shouldThrow(); |
627 |
> |
} catch (NullPointerException success) {} |
628 |
|
} |
629 |
|
|
630 |
|
/** |
631 |
< |
* toArray with incompatible array type throws CCE |
631 |
> |
* toArray(incompatible array type) throws ArrayStoreException |
632 |
|
*/ |
633 |
|
public void testToArray1_BadArg() { |
634 |
< |
try { |
635 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
636 |
< |
Object o[] = q.toArray(new String[10] ); |
637 |
< |
shouldThrow(); |
638 |
< |
} catch (ArrayStoreException success) {} |
634 |
> |
PriorityBlockingQueue q = populatedQueue(SIZE); |
635 |
> |
try { |
636 |
> |
q.toArray(new String[10]); |
637 |
> |
shouldThrow(); |
638 |
> |
} catch (ArrayStoreException success) {} |
639 |
|
} |
640 |
|
|
641 |
|
/** |
644 |
|
public void testIterator() { |
645 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
646 |
|
int i = 0; |
647 |
< |
Iterator it = q.iterator(); |
647 |
> |
Iterator it = q.iterator(); |
648 |
|
while (it.hasNext()) { |
649 |
|
assertTrue(q.contains(it.next())); |
650 |
|
++i; |
655 |
|
/** |
656 |
|
* iterator.remove removes current element |
657 |
|
*/ |
658 |
< |
public void testIteratorRemove () { |
658 |
> |
public void testIteratorRemove() { |
659 |
|
final PriorityBlockingQueue q = new PriorityBlockingQueue(3); |
660 |
|
q.add(new Integer(2)); |
661 |
|
q.add(new Integer(1)); |
689 |
|
public void testPollInExecutor() { |
690 |
|
final PriorityBlockingQueue q = new PriorityBlockingQueue(2); |
691 |
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
692 |
< |
executor.execute(new Runnable() { |
693 |
< |
public void run() { |
694 |
< |
threadAssertNull(q.poll()); |
695 |
< |
try { |
696 |
< |
threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS)); |
697 |
< |
threadAssertTrue(q.isEmpty()); |
698 |
< |
} |
699 |
< |
catch (InterruptedException e) { |
700 |
< |
threadUnexpectedException(); |
701 |
< |
} |
702 |
< |
} |
703 |
< |
}); |
801 |
< |
|
802 |
< |
executor.execute(new Runnable() { |
803 |
< |
public void run() { |
804 |
< |
try { |
805 |
< |
Thread.sleep(SMALL_DELAY_MS); |
806 |
< |
q.put(new Integer(1)); |
807 |
< |
} |
808 |
< |
catch (InterruptedException e) { |
809 |
< |
threadUnexpectedException(); |
810 |
< |
} |
811 |
< |
} |
812 |
< |
}); |
692 |
> |
executor.execute(new CheckedRunnable() { |
693 |
> |
public void realRun() throws InterruptedException { |
694 |
> |
assertNull(q.poll()); |
695 |
> |
assertSame(one, q.poll(MEDIUM_DELAY_MS, MILLISECONDS)); |
696 |
> |
assertTrue(q.isEmpty()); |
697 |
> |
}}); |
698 |
> |
|
699 |
> |
executor.execute(new CheckedRunnable() { |
700 |
> |
public void realRun() throws InterruptedException { |
701 |
> |
delay(SMALL_DELAY_MS); |
702 |
> |
q.put(one); |
703 |
> |
}}); |
704 |
|
|
705 |
|
joinPool(executor); |
706 |
|
} |
708 |
|
/** |
709 |
|
* A deserialized serialized queue has same elements |
710 |
|
*/ |
711 |
< |
public void testSerialization() { |
711 |
> |
public void testSerialization() throws Exception { |
712 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
713 |
< |
try { |
714 |
< |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
715 |
< |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
716 |
< |
out.writeObject(q); |
717 |
< |
out.close(); |
718 |
< |
|
719 |
< |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
720 |
< |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
721 |
< |
PriorityBlockingQueue r = (PriorityBlockingQueue)in.readObject(); |
722 |
< |
assertEquals(q.size(), r.size()); |
723 |
< |
while (!q.isEmpty()) |
833 |
< |
assertEquals(q.remove(), r.remove()); |
834 |
< |
} catch (Exception e) { |
835 |
< |
unexpectedException(); |
836 |
< |
} |
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 |
> |
PriorityBlockingQueue r = (PriorityBlockingQueue)in.readObject(); |
721 |
> |
assertEquals(q.size(), r.size()); |
722 |
> |
while (!q.isEmpty()) |
723 |
> |
assertEquals(q.remove(), r.remove()); |
724 |
|
} |
725 |
|
|
726 |
|
/** |
731 |
|
try { |
732 |
|
q.drainTo(null); |
733 |
|
shouldThrow(); |
734 |
< |
} catch (NullPointerException success) { |
848 |
< |
} |
734 |
> |
} catch (NullPointerException success) {} |
735 |
|
} |
736 |
|
|
737 |
|
/** |
742 |
|
try { |
743 |
|
q.drainTo(q); |
744 |
|
shouldThrow(); |
745 |
< |
} catch (IllegalArgumentException success) { |
860 |
< |
} |
745 |
> |
} catch (IllegalArgumentException success) {} |
746 |
|
} |
747 |
|
|
748 |
|
/** |
772 |
|
/** |
773 |
|
* drainTo empties queue |
774 |
|
*/ |
775 |
< |
public void testDrainToWithActivePut() { |
775 |
> |
public void testDrainToWithActivePut() throws InterruptedException { |
776 |
|
final PriorityBlockingQueue q = populatedQueue(SIZE); |
777 |
< |
Thread t = new Thread(new Runnable() { |
778 |
< |
public void run() { |
779 |
< |
q.put(new Integer(SIZE+1)); |
780 |
< |
} |
781 |
< |
}); |
782 |
< |
try { |
783 |
< |
t.start(); |
784 |
< |
ArrayList l = new ArrayList(); |
785 |
< |
q.drainTo(l); |
786 |
< |
assertTrue(l.size() >= SIZE); |
787 |
< |
for (int i = 0; i < SIZE; ++i) |
788 |
< |
assertEquals(l.get(i), new Integer(i)); |
789 |
< |
t.join(); |
905 |
< |
assertTrue(q.size() + l.size() >= SIZE); |
906 |
< |
} catch (Exception e) { |
907 |
< |
unexpectedException(); |
908 |
< |
} |
777 |
> |
Thread t = new Thread(new CheckedRunnable() { |
778 |
> |
public void realRun() { |
779 |
> |
q.put(new Integer(SIZE+1)); |
780 |
> |
}}); |
781 |
> |
|
782 |
> |
t.start(); |
783 |
> |
ArrayList l = new ArrayList(); |
784 |
> |
q.drainTo(l); |
785 |
> |
assertTrue(l.size() >= SIZE); |
786 |
> |
for (int i = 0; i < SIZE; ++i) |
787 |
> |
assertEquals(l.get(i), new Integer(i)); |
788 |
> |
t.join(); |
789 |
> |
assertTrue(q.size() + l.size() >= SIZE); |
790 |
|
} |
791 |
|
|
792 |
|
/** |
797 |
|
try { |
798 |
|
q.drainTo(null, 0); |
799 |
|
shouldThrow(); |
800 |
< |
} catch (NullPointerException success) { |
920 |
< |
} |
800 |
> |
} catch (NullPointerException success) {} |
801 |
|
} |
802 |
|
|
803 |
|
/** |
808 |
|
try { |
809 |
|
q.drainTo(q, 0); |
810 |
|
shouldThrow(); |
811 |
< |
} catch (IllegalArgumentException success) { |
932 |
< |
} |
811 |
> |
} catch (IllegalArgumentException success) {} |
812 |
|
} |
813 |
|
|
814 |
|
/** |
815 |
< |
* drainTo(c, n) empties first max {n, size} elements of queue into c |
815 |
> |
* drainTo(c, n) empties first min(n, size) elements of queue into c |
816 |
|
*/ |
817 |
|
public void testDrainToN() { |
818 |
|
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE*2); |
821 |
|
assertTrue(q.offer(new Integer(j))); |
822 |
|
ArrayList l = new ArrayList(); |
823 |
|
q.drainTo(l, i); |
824 |
< |
int k = (i < SIZE)? i : SIZE; |
824 |
> |
int k = (i < SIZE) ? i : SIZE; |
825 |
|
assertEquals(l.size(), k); |
826 |
|
assertEquals(q.size(), SIZE-k); |
827 |
|
for (int j = 0; j < k; ++j) |
830 |
|
} |
831 |
|
} |
832 |
|
|
954 |
– |
|
833 |
|
} |