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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() { |
192 |
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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) {} |
218 |
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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 |
> |
} 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(); |
251 |
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} |
250 |
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catch (IllegalArgumentException success) {} |
251 |
> |
} 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) {} |
264 |
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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 |
275 |
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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) {} |
279 |
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} |
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|
281 |
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/** |
282 |
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* Queue contains all elements of successful addAll |
283 |
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*/ |
284 |
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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 |
< |
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 |
> |
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 |
> |
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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|
296 |
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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 |
|
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; |
344 |
< |
q.put(new Integer(0)); |
345 |
< |
++added; |
346 |
< |
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 = newStartedThread(new CheckedRunnable() { |
327 |
> |
public void realRun() { |
328 |
> |
for (int i = 0; i < size; i++) |
329 |
> |
q.put(new Integer(0)); |
330 |
> |
}}); |
331 |
> |
|
332 |
> |
awaitTermination(t); |
333 |
> |
assertEquals(size, q.size()); |
334 |
> |
q.take(); |
335 |
|
} |
336 |
|
|
337 |
|
/** |
338 |
|
* timed offer does not time out |
339 |
|
*/ |
340 |
< |
public void testTimedOffer() { |
340 |
> |
public void testTimedOffer() throws InterruptedException { |
341 |
|
final PriorityBlockingQueue q = new PriorityBlockingQueue(2); |
342 |
< |
Thread t = new Thread(new Runnable() { |
343 |
< |
public void run() { |
344 |
< |
try { |
345 |
< |
q.put(new Integer(0)); |
346 |
< |
q.put(new Integer(0)); |
347 |
< |
threadAssertTrue(q.offer(new Integer(0), SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
348 |
< |
threadAssertTrue(q.offer(new Integer(0), LONG_DELAY_MS, TimeUnit.MILLISECONDS)); |
374 |
< |
} finally { } |
375 |
< |
} |
376 |
< |
}); |
342 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
343 |
> |
public void realRun() { |
344 |
> |
q.put(new Integer(0)); |
345 |
> |
q.put(new Integer(0)); |
346 |
> |
assertTrue(q.offer(new Integer(0), SHORT_DELAY_MS, MILLISECONDS)); |
347 |
> |
assertTrue(q.offer(new Integer(0), LONG_DELAY_MS, MILLISECONDS)); |
348 |
> |
}}); |
349 |
|
|
350 |
< |
try { |
379 |
< |
t.start(); |
380 |
< |
Thread.sleep(SMALL_DELAY_MS); |
381 |
< |
t.interrupt(); |
382 |
< |
t.join(); |
383 |
< |
} catch (Exception e){ |
384 |
< |
unexpectedException(); |
385 |
< |
} |
350 |
> |
awaitTermination(t); |
351 |
|
} |
352 |
|
|
353 |
|
/** |
354 |
|
* take retrieves elements in priority order |
355 |
|
*/ |
356 |
< |
public void testTake() { |
357 |
< |
try { |
358 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
359 |
< |
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(); |
356 |
> |
public void testTake() throws InterruptedException { |
357 |
> |
PriorityBlockingQueue q = populatedQueue(SIZE); |
358 |
> |
for (int i = 0; i < SIZE; ++i) { |
359 |
> |
assertEquals(i, q.take()); |
360 |
|
} |
361 |
|
} |
362 |
|
|
363 |
|
/** |
364 |
|
* Take removes existing elements until empty, then blocks interruptibly |
365 |
|
*/ |
366 |
< |
public void testBlockingTake() { |
367 |
< |
Thread t = new Thread(new Runnable() { |
368 |
< |
public void run() { |
369 |
< |
try { |
370 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
371 |
< |
for (int i = 0; i < SIZE; ++i) { |
372 |
< |
threadAssertEquals(i, ((Integer)q.take()).intValue()); |
373 |
< |
} |
436 |
< |
q.take(); |
437 |
< |
threadShouldThrow(); |
438 |
< |
} catch (InterruptedException success){ |
439 |
< |
} |
440 |
< |
}}); |
441 |
< |
t.start(); |
442 |
< |
try { |
443 |
< |
Thread.sleep(SHORT_DELAY_MS); |
444 |
< |
t.interrupt(); |
445 |
< |
t.join(); |
446 |
< |
} |
447 |
< |
catch (InterruptedException ie) { |
448 |
< |
unexpectedException(); |
449 |
< |
} |
450 |
< |
} |
366 |
> |
public void testBlockingTake() throws InterruptedException { |
367 |
> |
final PriorityBlockingQueue q = populatedQueue(SIZE); |
368 |
> |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
369 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
370 |
> |
public void realRun() throws InterruptedException { |
371 |
> |
for (int i = 0; i < SIZE; ++i) { |
372 |
> |
assertEquals(i, q.take()); |
373 |
> |
} |
374 |
|
|
375 |
+ |
Thread.currentThread().interrupt(); |
376 |
+ |
try { |
377 |
+ |
q.take(); |
378 |
+ |
shouldThrow(); |
379 |
+ |
} catch (InterruptedException success) {} |
380 |
+ |
assertFalse(Thread.interrupted()); |
381 |
+ |
|
382 |
+ |
pleaseInterrupt.countDown(); |
383 |
+ |
try { |
384 |
+ |
q.take(); |
385 |
+ |
shouldThrow(); |
386 |
+ |
} catch (InterruptedException success) {} |
387 |
+ |
assertFalse(Thread.interrupted()); |
388 |
+ |
}}); |
389 |
+ |
|
390 |
+ |
await(pleaseInterrupt); |
391 |
+ |
assertThreadStaysAlive(t); |
392 |
+ |
t.interrupt(); |
393 |
+ |
awaitTermination(t); |
394 |
+ |
} |
395 |
|
|
396 |
|
/** |
397 |
|
* poll succeeds unless empty |
399 |
|
public void testPoll() { |
400 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
401 |
|
for (int i = 0; i < SIZE; ++i) { |
402 |
< |
assertEquals(i, ((Integer)q.poll()).intValue()); |
402 |
> |
assertEquals(i, q.poll()); |
403 |
|
} |
404 |
< |
assertNull(q.poll()); |
404 |
> |
assertNull(q.poll()); |
405 |
|
} |
406 |
|
|
407 |
|
/** |
408 |
< |
* timed pool with zero timeout succeeds when non-empty, else times out |
408 |
> |
* timed poll with zero timeout succeeds when non-empty, else times out |
409 |
|
*/ |
410 |
< |
public void testTimedPoll0() { |
411 |
< |
try { |
412 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
413 |
< |
for (int i = 0; i < SIZE; ++i) { |
414 |
< |
assertEquals(i, ((Integer)q.poll(0, TimeUnit.MILLISECONDS)).intValue()); |
415 |
< |
} |
473 |
< |
assertNull(q.poll(0, TimeUnit.MILLISECONDS)); |
474 |
< |
} catch (InterruptedException e){ |
475 |
< |
unexpectedException(); |
476 |
< |
} |
410 |
> |
public void testTimedPoll0() throws InterruptedException { |
411 |
> |
PriorityBlockingQueue q = populatedQueue(SIZE); |
412 |
> |
for (int i = 0; i < SIZE; ++i) { |
413 |
> |
assertEquals(i, q.poll(0, MILLISECONDS)); |
414 |
> |
} |
415 |
> |
assertNull(q.poll(0, MILLISECONDS)); |
416 |
|
} |
417 |
|
|
418 |
|
/** |
419 |
< |
* timed pool with nonzero timeout succeeds when non-empty, else times out |
419 |
> |
* timed poll with nonzero timeout succeeds when non-empty, else times out |
420 |
|
*/ |
421 |
< |
public void testTimedPoll() { |
422 |
< |
try { |
423 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
424 |
< |
for (int i = 0; i < SIZE; ++i) { |
425 |
< |
assertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)).intValue()); |
426 |
< |
} |
427 |
< |
assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
428 |
< |
} catch (InterruptedException e){ |
429 |
< |
unexpectedException(); |
430 |
< |
} |
421 |
> |
public void testTimedPoll() throws InterruptedException { |
422 |
> |
PriorityBlockingQueue<Integer> q = populatedQueue(SIZE); |
423 |
> |
for (int i = 0; i < SIZE; ++i) { |
424 |
> |
long startTime = System.nanoTime(); |
425 |
> |
assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS)); |
426 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
427 |
> |
} |
428 |
> |
long startTime = System.nanoTime(); |
429 |
> |
assertNull(q.poll(timeoutMillis(), MILLISECONDS)); |
430 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
431 |
> |
checkEmpty(q); |
432 |
|
} |
433 |
|
|
434 |
|
/** |
435 |
|
* Interrupted timed poll throws InterruptedException instead of |
436 |
|
* returning timeout status |
437 |
|
*/ |
438 |
< |
public void testInterruptedTimedPoll() { |
439 |
< |
Thread t = new Thread(new Runnable() { |
440 |
< |
public void run() { |
441 |
< |
try { |
442 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
443 |
< |
for (int i = 0; i < SIZE; ++i) { |
444 |
< |
threadAssertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)).intValue()); |
445 |
< |
} |
446 |
< |
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) { } |
438 |
> |
public void testInterruptedTimedPoll() throws InterruptedException { |
439 |
> |
final BlockingQueue<Integer> q = populatedQueue(SIZE); |
440 |
> |
final CountDownLatch aboutToWait = new CountDownLatch(1); |
441 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
442 |
> |
public void realRun() throws InterruptedException { |
443 |
> |
for (int i = 0; i < SIZE; ++i) { |
444 |
> |
long t0 = System.nanoTime(); |
445 |
> |
assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS)); |
446 |
> |
assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS); |
447 |
|
} |
448 |
< |
}); |
449 |
< |
try { |
450 |
< |
t.start(); |
451 |
< |
Thread.sleep(SMALL_DELAY_MS); |
452 |
< |
assertTrue(q.offer(new Integer(0), SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
453 |
< |
t.interrupt(); |
454 |
< |
t.join(); |
455 |
< |
} catch (Exception e){ |
456 |
< |
unexpectedException(); |
545 |
< |
} |
546 |
< |
} |
448 |
> |
long t0 = System.nanoTime(); |
449 |
> |
aboutToWait.countDown(); |
450 |
> |
try { |
451 |
> |
q.poll(LONG_DELAY_MS, MILLISECONDS); |
452 |
> |
shouldThrow(); |
453 |
> |
} catch (InterruptedException success) { |
454 |
> |
assertTrue(millisElapsedSince(t0) < MEDIUM_DELAY_MS); |
455 |
> |
} |
456 |
> |
}}); |
457 |
|
|
458 |
+ |
aboutToWait.await(); |
459 |
+ |
waitForThreadToEnterWaitState(t, SMALL_DELAY_MS); |
460 |
+ |
t.interrupt(); |
461 |
+ |
awaitTermination(t, MEDIUM_DELAY_MS); |
462 |
+ |
} |
463 |
|
|
464 |
|
/** |
465 |
|
* peek returns next element, or null if empty |
467 |
|
public void testPeek() { |
468 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
469 |
|
for (int i = 0; i < SIZE; ++i) { |
470 |
< |
assertEquals(i, ((Integer)q.peek()).intValue()); |
471 |
< |
q.poll(); |
470 |
> |
assertEquals(i, q.peek()); |
471 |
> |
assertEquals(i, q.poll()); |
472 |
|
assertTrue(q.peek() == null || |
473 |
< |
i != ((Integer)q.peek()).intValue()); |
473 |
> |
!q.peek().equals(i)); |
474 |
|
} |
475 |
< |
assertNull(q.peek()); |
475 |
> |
assertNull(q.peek()); |
476 |
|
} |
477 |
|
|
478 |
|
/** |
481 |
|
public void testElement() { |
482 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
483 |
|
for (int i = 0; i < SIZE; ++i) { |
484 |
< |
assertEquals(i, ((Integer)q.element()).intValue()); |
485 |
< |
q.poll(); |
484 |
> |
assertEquals(i, q.element()); |
485 |
> |
assertEquals(i, q.poll()); |
486 |
|
} |
487 |
|
try { |
488 |
|
q.element(); |
489 |
|
shouldThrow(); |
490 |
< |
} |
576 |
< |
catch (NoSuchElementException success) {} |
490 |
> |
} catch (NoSuchElementException success) {} |
491 |
|
} |
492 |
|
|
493 |
|
/** |
496 |
|
public void testRemove() { |
497 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
498 |
|
for (int i = 0; i < SIZE; ++i) { |
499 |
< |
assertEquals(i, ((Integer)q.remove()).intValue()); |
499 |
> |
assertEquals(i, q.remove()); |
500 |
|
} |
501 |
|
try { |
502 |
|
q.remove(); |
503 |
|
shouldThrow(); |
504 |
< |
} catch (NoSuchElementException success){ |
591 |
< |
} |
504 |
> |
} catch (NoSuchElementException success) {} |
505 |
|
} |
506 |
|
|
507 |
|
/** |
510 |
|
public void testRemoveElement() { |
511 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
512 |
|
for (int i = 1; i < SIZE; i+=2) { |
513 |
< |
assertTrue(q.remove(new Integer(i))); |
513 |
> |
assertTrue(q.contains(i)); |
514 |
> |
assertTrue(q.remove(i)); |
515 |
> |
assertFalse(q.contains(i)); |
516 |
> |
assertTrue(q.contains(i-1)); |
517 |
|
} |
518 |
|
for (int i = 0; i < SIZE; i+=2) { |
519 |
< |
assertTrue(q.remove(new Integer(i))); |
520 |
< |
assertFalse(q.remove(new Integer(i+1))); |
519 |
> |
assertTrue(q.contains(i)); |
520 |
> |
assertTrue(q.remove(i)); |
521 |
> |
assertFalse(q.contains(i)); |
522 |
> |
assertFalse(q.remove(i+1)); |
523 |
> |
assertFalse(q.contains(i+1)); |
524 |
|
} |
525 |
|
assertTrue(q.isEmpty()); |
526 |
|
} |
602 |
|
} |
603 |
|
|
604 |
|
/** |
605 |
< |
* toArray contains all elements |
605 |
> |
* toArray contains all elements |
606 |
|
*/ |
607 |
< |
public void testToArray() { |
607 |
> |
public void testToArray() throws InterruptedException { |
608 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
609 |
< |
Object[] o = q.toArray(); |
609 |
> |
Object[] o = q.toArray(); |
610 |
|
Arrays.sort(o); |
611 |
< |
try { |
612 |
< |
for (int i = 0; i < o.length; i++) |
694 |
< |
assertEquals(o[i], q.take()); |
695 |
< |
} catch (InterruptedException e){ |
696 |
< |
unexpectedException(); |
697 |
< |
} |
611 |
> |
for (int i = 0; i < o.length; i++) |
612 |
> |
assertSame(o[i], q.take()); |
613 |
|
} |
614 |
|
|
615 |
|
/** |
616 |
|
* toArray(a) contains all elements |
617 |
|
*/ |
618 |
< |
public void testToArray2() { |
619 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
620 |
< |
Integer[] ints = new Integer[SIZE]; |
621 |
< |
ints = (Integer[])q.toArray(ints); |
618 |
> |
public void testToArray2() throws InterruptedException { |
619 |
> |
PriorityBlockingQueue<Integer> q = populatedQueue(SIZE); |
620 |
> |
Integer[] ints = new Integer[SIZE]; |
621 |
> |
Integer[] array = q.toArray(ints); |
622 |
> |
assertSame(ints, array); |
623 |
|
Arrays.sort(ints); |
624 |
< |
try { |
625 |
< |
for (int i = 0; i < ints.length; i++) |
710 |
< |
assertEquals(ints[i], q.take()); |
711 |
< |
} catch (InterruptedException e){ |
712 |
< |
unexpectedException(); |
713 |
< |
} |
624 |
> |
for (int i = 0; i < ints.length; i++) |
625 |
> |
assertSame(ints[i], q.take()); |
626 |
|
} |
627 |
|
|
628 |
|
/** |
629 |
< |
* toArray(null) throws NPE |
629 |
> |
* toArray(null) throws NullPointerException |
630 |
|
*/ |
631 |
< |
public void testToArray_BadArg() { |
632 |
< |
try { |
633 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
634 |
< |
Object o[] = q.toArray(null); |
635 |
< |
shouldThrow(); |
636 |
< |
} catch (NullPointerException success){} |
631 |
> |
public void testToArray_NullArg() { |
632 |
> |
PriorityBlockingQueue q = populatedQueue(SIZE); |
633 |
> |
try { |
634 |
> |
q.toArray(null); |
635 |
> |
shouldThrow(); |
636 |
> |
} catch (NullPointerException success) {} |
637 |
|
} |
638 |
|
|
639 |
|
/** |
640 |
< |
* toArray with incompatible array type throws CCE |
640 |
> |
* toArray(incompatible array type) throws ArrayStoreException |
641 |
|
*/ |
642 |
|
public void testToArray1_BadArg() { |
643 |
< |
try { |
644 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
645 |
< |
Object o[] = q.toArray(new String[10] ); |
646 |
< |
shouldThrow(); |
647 |
< |
} catch (ArrayStoreException success){} |
643 |
> |
PriorityBlockingQueue q = populatedQueue(SIZE); |
644 |
> |
try { |
645 |
> |
q.toArray(new String[10]); |
646 |
> |
shouldThrow(); |
647 |
> |
} catch (ArrayStoreException success) {} |
648 |
|
} |
649 |
|
|
650 |
|
/** |
653 |
|
public void testIterator() { |
654 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
655 |
|
int i = 0; |
656 |
< |
Iterator it = q.iterator(); |
656 |
> |
Iterator it = q.iterator(); |
657 |
|
while (it.hasNext()) { |
658 |
|
assertTrue(q.contains(it.next())); |
659 |
|
++i; |
664 |
|
/** |
665 |
|
* iterator.remove removes current element |
666 |
|
*/ |
667 |
< |
public void testIteratorRemove () { |
667 |
> |
public void testIteratorRemove() { |
668 |
|
final PriorityBlockingQueue q = new PriorityBlockingQueue(3); |
669 |
|
q.add(new Integer(2)); |
670 |
|
q.add(new Integer(1)); |
680 |
|
assertFalse(it.hasNext()); |
681 |
|
} |
682 |
|
|
771 |
– |
|
683 |
|
/** |
684 |
|
* toString contains toStrings of elements |
685 |
|
*/ |
687 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
688 |
|
String s = q.toString(); |
689 |
|
for (int i = 0; i < SIZE; ++i) { |
690 |
< |
assertTrue(s.indexOf(String.valueOf(i)) >= 0); |
690 |
> |
assertTrue(s.contains(String.valueOf(i))); |
691 |
|
} |
692 |
|
} |
693 |
|
|
694 |
|
/** |
695 |
< |
* offer transfers elements across Executor tasks |
695 |
> |
* timed poll transfers elements across Executor tasks |
696 |
|
*/ |
697 |
|
public void testPollInExecutor() { |
698 |
|
final PriorityBlockingQueue q = new PriorityBlockingQueue(2); |
699 |
+ |
final CheckedBarrier threadsStarted = new CheckedBarrier(2); |
700 |
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
701 |
< |
executor.execute(new Runnable() { |
702 |
< |
public void run() { |
703 |
< |
threadAssertNull(q.poll()); |
704 |
< |
try { |
705 |
< |
threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS)); |
706 |
< |
threadAssertTrue(q.isEmpty()); |
707 |
< |
} |
708 |
< |
catch (InterruptedException e) { |
709 |
< |
threadUnexpectedException(); |
710 |
< |
} |
711 |
< |
} |
712 |
< |
}); |
713 |
< |
|
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 |
< |
}); |
701 |
> |
executor.execute(new CheckedRunnable() { |
702 |
> |
public void realRun() throws InterruptedException { |
703 |
> |
assertNull(q.poll()); |
704 |
> |
threadsStarted.await(); |
705 |
> |
assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
706 |
> |
checkEmpty(q); |
707 |
> |
}}); |
708 |
> |
|
709 |
> |
executor.execute(new CheckedRunnable() { |
710 |
> |
public void realRun() throws InterruptedException { |
711 |
> |
threadsStarted.await(); |
712 |
> |
q.put(one); |
713 |
> |
}}); |
714 |
|
|
715 |
|
joinPool(executor); |
716 |
|
} |
718 |
|
/** |
719 |
|
* A deserialized serialized queue has same elements |
720 |
|
*/ |
721 |
< |
public void testSerialization() { |
721 |
> |
public void testSerialization() throws Exception { |
722 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
723 |
< |
try { |
724 |
< |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
725 |
< |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
726 |
< |
out.writeObject(q); |
727 |
< |
out.close(); |
728 |
< |
|
729 |
< |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
730 |
< |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
731 |
< |
PriorityBlockingQueue r = (PriorityBlockingQueue)in.readObject(); |
732 |
< |
assertEquals(q.size(), r.size()); |
733 |
< |
while (!q.isEmpty()) |
833 |
< |
assertEquals(q.remove(), r.remove()); |
834 |
< |
} catch (Exception e){ |
835 |
< |
unexpectedException(); |
836 |
< |
} |
723 |
> |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
724 |
> |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
725 |
> |
out.writeObject(q); |
726 |
> |
out.close(); |
727 |
> |
|
728 |
> |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
729 |
> |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
730 |
> |
PriorityBlockingQueue r = (PriorityBlockingQueue)in.readObject(); |
731 |
> |
assertEquals(q.size(), r.size()); |
732 |
> |
while (!q.isEmpty()) |
733 |
> |
assertEquals(q.remove(), r.remove()); |
734 |
|
} |
735 |
|
|
736 |
|
/** |
741 |
|
try { |
742 |
|
q.drainTo(null); |
743 |
|
shouldThrow(); |
744 |
< |
} catch (NullPointerException success) { |
848 |
< |
} |
744 |
> |
} catch (NullPointerException success) {} |
745 |
|
} |
746 |
|
|
747 |
|
/** |
752 |
|
try { |
753 |
|
q.drainTo(q); |
754 |
|
shouldThrow(); |
755 |
< |
} catch (IllegalArgumentException success) { |
860 |
< |
} |
755 |
> |
} catch (IllegalArgumentException success) {} |
756 |
|
} |
757 |
|
|
758 |
|
/** |
782 |
|
/** |
783 |
|
* drainTo empties queue |
784 |
|
*/ |
785 |
< |
public void testDrainToWithActivePut() { |
785 |
> |
public void testDrainToWithActivePut() throws InterruptedException { |
786 |
|
final PriorityBlockingQueue q = populatedQueue(SIZE); |
787 |
< |
Thread t = new Thread(new Runnable() { |
788 |
< |
public void run() { |
789 |
< |
q.put(new Integer(SIZE+1)); |
790 |
< |
} |
791 |
< |
}); |
792 |
< |
try { |
793 |
< |
t.start(); |
794 |
< |
ArrayList l = new ArrayList(); |
795 |
< |
q.drainTo(l); |
796 |
< |
assertTrue(l.size() >= SIZE); |
797 |
< |
for (int i = 0; i < SIZE; ++i) |
798 |
< |
assertEquals(l.get(i), new Integer(i)); |
799 |
< |
t.join(); |
905 |
< |
assertTrue(q.size() + l.size() >= SIZE); |
906 |
< |
} catch (Exception e){ |
907 |
< |
unexpectedException(); |
908 |
< |
} |
787 |
> |
Thread t = new Thread(new CheckedRunnable() { |
788 |
> |
public void realRun() { |
789 |
> |
q.put(new Integer(SIZE+1)); |
790 |
> |
}}); |
791 |
> |
|
792 |
> |
t.start(); |
793 |
> |
ArrayList l = new ArrayList(); |
794 |
> |
q.drainTo(l); |
795 |
> |
assertTrue(l.size() >= SIZE); |
796 |
> |
for (int i = 0; i < SIZE; ++i) |
797 |
> |
assertEquals(l.get(i), new Integer(i)); |
798 |
> |
t.join(); |
799 |
> |
assertTrue(q.size() + l.size() >= SIZE); |
800 |
|
} |
801 |
|
|
802 |
|
/** |
807 |
|
try { |
808 |
|
q.drainTo(null, 0); |
809 |
|
shouldThrow(); |
810 |
< |
} catch (NullPointerException success) { |
920 |
< |
} |
810 |
> |
} catch (NullPointerException success) {} |
811 |
|
} |
812 |
|
|
813 |
|
/** |
818 |
|
try { |
819 |
|
q.drainTo(q, 0); |
820 |
|
shouldThrow(); |
821 |
< |
} catch (IllegalArgumentException success) { |
932 |
< |
} |
821 |
> |
} catch (IllegalArgumentException success) {} |
822 |
|
} |
823 |
|
|
824 |
|
/** |
825 |
< |
* drainTo(c, n) empties first max {n, size} elements of queue into c |
825 |
> |
* drainTo(c, n) empties first min(n, size) elements of queue into c |
826 |
|
*/ |
827 |
|
public void testDrainToN() { |
828 |
|
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE*2); |
831 |
|
assertTrue(q.offer(new Integer(j))); |
832 |
|
ArrayList l = new ArrayList(); |
833 |
|
q.drainTo(l, i); |
834 |
< |
int k = (i < SIZE)? i : SIZE; |
834 |
> |
int k = (i < SIZE) ? i : SIZE; |
835 |
|
assertEquals(l.size(), k); |
836 |
|
assertEquals(q.size(), SIZE-k); |
837 |
|
for (int j = 0; j < k; ++j) |
840 |
|
} |
841 |
|
} |
842 |
|
|
954 |
– |
|
843 |
|
} |