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dl |
1.1 |
/* |
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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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*/ |
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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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jsr166 |
1.8 |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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dl |
1.1 |
import java.io.*; |
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public class LinkedBlockingDequeTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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jsr166 |
1.7 |
junit.textui.TestRunner.run (suite()); |
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dl |
1.1 |
} |
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public static Test suite() { |
19 |
jsr166 |
1.7 |
return new TestSuite(LinkedBlockingDequeTest.class); |
20 |
dl |
1.1 |
} |
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/** |
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* Create a deque of given size containing consecutive |
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* Integers 0 ... n. |
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*/ |
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private LinkedBlockingDeque populatedDeque(int n) { |
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LinkedBlockingDeque q = new LinkedBlockingDeque(n); |
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assertTrue(q.isEmpty()); |
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jsr166 |
1.7 |
for (int i = 0; i < n; i++) |
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assertTrue(q.offer(new Integer(i))); |
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dl |
1.1 |
assertFalse(q.isEmpty()); |
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assertEquals(0, q.remainingCapacity()); |
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jsr166 |
1.7 |
assertEquals(n, q.size()); |
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dl |
1.1 |
return q; |
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} |
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/** |
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* isEmpty is true before add, false after |
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*/ |
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public void testEmpty() { |
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LinkedBlockingDeque q = new LinkedBlockingDeque(); |
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assertTrue(q.isEmpty()); |
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q.add(new Integer(1)); |
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assertFalse(q.isEmpty()); |
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q.add(new Integer(2)); |
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q.removeFirst(); |
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q.removeFirst(); |
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assertTrue(q.isEmpty()); |
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} |
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/** |
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* size changes when elements added and removed |
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*/ |
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public void testSize() { |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
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for (int i = 0; i < SIZE; ++i) { |
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assertEquals(SIZE-i, q.size()); |
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q.removeFirst(); |
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} |
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for (int i = 0; i < SIZE; ++i) { |
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assertEquals(i, q.size()); |
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q.add(new Integer(i)); |
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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 testOfferFirstNull() { |
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jsr166 |
1.7 |
try { |
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dl |
1.1 |
LinkedBlockingDeque q = new LinkedBlockingDeque(); |
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q.offerFirst(null); |
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shouldThrow(); |
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jsr166 |
1.9 |
} catch (NullPointerException success) {} |
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dl |
1.1 |
} |
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/** |
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jsr166 |
1.4 |
* OfferFirst succeeds |
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dl |
1.1 |
*/ |
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public void testOfferFirst() { |
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LinkedBlockingDeque q = new LinkedBlockingDeque(); |
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assertTrue(q.offerFirst(new Integer(0))); |
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assertTrue(q.offerFirst(new Integer(1))); |
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} |
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/** |
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jsr166 |
1.4 |
* OfferLast succeeds |
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dl |
1.1 |
*/ |
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public void testOfferLast() { |
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LinkedBlockingDeque q = new LinkedBlockingDeque(); |
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assertTrue(q.offerLast(new Integer(0))); |
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assertTrue(q.offerLast(new Integer(1))); |
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} |
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/** |
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* pollFirst succeeds unless empty |
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*/ |
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public void testPollFirst() { |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
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for (int i = 0; i < SIZE; ++i) { |
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assertEquals(i, ((Integer)q.pollFirst()).intValue()); |
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} |
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jsr166 |
1.7 |
assertNull(q.pollFirst()); |
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dl |
1.1 |
} |
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/** |
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* pollLast succeeds unless empty |
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*/ |
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public void testPollLast() { |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
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for (int i = SIZE-1; i >= 0; --i) { |
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assertEquals(i, ((Integer)q.pollLast()).intValue()); |
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} |
114 |
jsr166 |
1.7 |
assertNull(q.pollLast()); |
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dl |
1.1 |
} |
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/** |
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* peekFirst returns next element, or null if empty |
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*/ |
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public void testPeekFirst() { |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
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for (int i = 0; i < SIZE; ++i) { |
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assertEquals(i, ((Integer)q.peekFirst()).intValue()); |
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q.pollFirst(); |
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assertTrue(q.peekFirst() == null || |
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i != ((Integer)q.peekFirst()).intValue()); |
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} |
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jsr166 |
1.7 |
assertNull(q.peekFirst()); |
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dl |
1.1 |
} |
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/** |
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* peek returns next element, or null if empty |
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*/ |
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public void testPeek() { |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
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for (int i = 0; i < SIZE; ++i) { |
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assertEquals(i, ((Integer)q.peek()).intValue()); |
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q.pollFirst(); |
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assertTrue(q.peek() == null || |
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i != ((Integer)q.peek()).intValue()); |
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} |
142 |
jsr166 |
1.7 |
assertNull(q.peek()); |
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dl |
1.1 |
} |
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/** |
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* peekLast returns next element, or null if empty |
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*/ |
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public void testPeekLast() { |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
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for (int i = SIZE-1; i >= 0; --i) { |
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assertEquals(i, ((Integer)q.peekLast()).intValue()); |
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q.pollLast(); |
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assertTrue(q.peekLast() == null || |
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i != ((Integer)q.peekLast()).intValue()); |
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} |
156 |
jsr166 |
1.7 |
assertNull(q.peekLast()); |
157 |
dl |
1.1 |
} |
158 |
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/** |
160 |
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* getFirst returns next getFirst, or throws NSEE if empty |
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*/ |
162 |
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public void testFirstElement() { |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
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for (int i = 0; i < SIZE; ++i) { |
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assertEquals(i, ((Integer)q.getFirst()).intValue()); |
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q.pollFirst(); |
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} |
168 |
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try { |
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q.getFirst(); |
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shouldThrow(); |
171 |
jsr166 |
1.9 |
} catch (NoSuchElementException success) {} |
172 |
jsr166 |
1.15 |
assertNull(q.peekFirst()); |
173 |
dl |
1.1 |
} |
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/** |
176 |
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* getLast returns next element, or throws NSEE if empty |
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*/ |
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public void testLastElement() { |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
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for (int i = SIZE-1; i >= 0; --i) { |
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assertEquals(i, ((Integer)q.getLast()).intValue()); |
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q.pollLast(); |
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} |
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try { |
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q.getLast(); |
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shouldThrow(); |
187 |
jsr166 |
1.9 |
} catch (NoSuchElementException success) {} |
188 |
jsr166 |
1.7 |
assertNull(q.peekLast()); |
189 |
dl |
1.1 |
} |
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/** |
192 |
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* removeFirst removes next element, or throws NSEE if empty |
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*/ |
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public void testRemoveFirst() { |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
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for (int i = 0; i < SIZE; ++i) { |
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assertEquals(i, ((Integer)q.removeFirst()).intValue()); |
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} |
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try { |
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q.removeFirst(); |
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shouldThrow(); |
202 |
jsr166 |
1.9 |
} catch (NoSuchElementException success) {} |
203 |
jsr166 |
1.15 |
assertNull(q.peekFirst()); |
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} |
205 |
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/** |
207 |
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* removeLast removes last element, or throws NSEE if empty |
208 |
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*/ |
209 |
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public void testRemoveLast() { |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
211 |
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for (int i = SIZE - 1; i >= 0; --i) { |
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assertEquals(i, ((Integer)q.removeLast()).intValue()); |
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} |
214 |
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try { |
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q.removeLast(); |
216 |
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shouldThrow(); |
217 |
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} catch (NoSuchElementException success) {} |
218 |
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assertNull(q.peekLast()); |
219 |
dl |
1.1 |
} |
220 |
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/** |
222 |
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* remove removes next element, or throws NSEE if empty |
223 |
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*/ |
224 |
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public void testRemove() { |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
226 |
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for (int i = 0; i < SIZE; ++i) { |
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assertEquals(i, ((Integer)q.remove()).intValue()); |
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} |
229 |
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try { |
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q.remove(); |
231 |
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shouldThrow(); |
232 |
jsr166 |
1.9 |
} catch (NoSuchElementException success) {} |
233 |
dl |
1.1 |
} |
234 |
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235 |
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/** |
236 |
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* removeFirstOccurrence(x) removes x and returns true if present |
237 |
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*/ |
238 |
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public void testRemoveFirstOccurrence() { |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
240 |
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for (int i = 1; i < SIZE; i+=2) { |
241 |
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assertTrue(q.removeFirstOccurrence(new Integer(i))); |
242 |
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} |
243 |
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for (int i = 0; i < SIZE; i+=2) { |
244 |
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assertTrue(q.removeFirstOccurrence(new Integer(i))); |
245 |
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assertFalse(q.removeFirstOccurrence(new Integer(i+1))); |
246 |
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} |
247 |
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assertTrue(q.isEmpty()); |
248 |
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} |
249 |
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250 |
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/** |
251 |
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* removeLastOccurrence(x) removes x and returns true if present |
252 |
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*/ |
253 |
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public void testRemoveLastOccurrence() { |
254 |
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LinkedBlockingDeque q = populatedDeque(SIZE); |
255 |
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for (int i = 1; i < SIZE; i+=2) { |
256 |
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assertTrue(q.removeLastOccurrence(new Integer(i))); |
257 |
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} |
258 |
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for (int i = 0; i < SIZE; i+=2) { |
259 |
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assertTrue(q.removeLastOccurrence(new Integer(i))); |
260 |
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assertFalse(q.removeLastOccurrence(new Integer(i+1))); |
261 |
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} |
262 |
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assertTrue(q.isEmpty()); |
263 |
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} |
264 |
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265 |
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/** |
266 |
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* peekFirst returns element inserted with addFirst |
267 |
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*/ |
268 |
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public void testAddFirst() { |
269 |
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LinkedBlockingDeque q = populatedDeque(3); |
270 |
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q.pollLast(); |
271 |
jsr166 |
1.7 |
q.addFirst(four); |
272 |
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assertEquals(four,q.peekFirst()); |
273 |
jsr166 |
1.4 |
} |
274 |
dl |
1.1 |
|
275 |
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/** |
276 |
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* peekLast returns element inserted with addLast |
277 |
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*/ |
278 |
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public void testAddLast() { |
279 |
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LinkedBlockingDeque q = populatedDeque(3); |
280 |
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q.pollLast(); |
281 |
jsr166 |
1.7 |
q.addLast(four); |
282 |
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assertEquals(four,q.peekLast()); |
283 |
jsr166 |
1.4 |
} |
284 |
dl |
1.1 |
|
285 |
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286 |
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/** |
287 |
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* A new deque has the indicated capacity, or Integer.MAX_VALUE if |
288 |
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* none given |
289 |
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*/ |
290 |
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public void testConstructor1() { |
291 |
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assertEquals(SIZE, new LinkedBlockingDeque(SIZE).remainingCapacity()); |
292 |
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assertEquals(Integer.MAX_VALUE, new LinkedBlockingDeque().remainingCapacity()); |
293 |
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} |
294 |
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295 |
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/** |
296 |
jsr166 |
1.11 |
* Constructor throws IAE if capacity argument nonpositive |
297 |
dl |
1.1 |
*/ |
298 |
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public void testConstructor2() { |
299 |
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try { |
300 |
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LinkedBlockingDeque q = new LinkedBlockingDeque(0); |
301 |
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shouldThrow(); |
302 |
jsr166 |
1.9 |
} catch (IllegalArgumentException success) {} |
303 |
dl |
1.1 |
} |
304 |
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305 |
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/** |
306 |
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* Initializing from null Collection throws NPE |
307 |
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*/ |
308 |
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public void testConstructor3() { |
309 |
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try { |
310 |
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LinkedBlockingDeque q = new LinkedBlockingDeque(null); |
311 |
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shouldThrow(); |
312 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
313 |
dl |
1.1 |
} |
314 |
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|
315 |
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/** |
316 |
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* Initializing from Collection of null elements throws NPE |
317 |
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*/ |
318 |
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public void testConstructor4() { |
319 |
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try { |
320 |
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Integer[] ints = new Integer[SIZE]; |
321 |
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LinkedBlockingDeque q = new LinkedBlockingDeque(Arrays.asList(ints)); |
322 |
|
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shouldThrow(); |
323 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
324 |
dl |
1.1 |
} |
325 |
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326 |
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/** |
327 |
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* Initializing from Collection with some null elements throws NPE |
328 |
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*/ |
329 |
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public void testConstructor5() { |
330 |
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try { |
331 |
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Integer[] ints = new Integer[SIZE]; |
332 |
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for (int i = 0; i < SIZE-1; ++i) |
333 |
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ints[i] = new Integer(i); |
334 |
|
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LinkedBlockingDeque q = new LinkedBlockingDeque(Arrays.asList(ints)); |
335 |
|
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shouldThrow(); |
336 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
337 |
dl |
1.1 |
} |
338 |
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|
339 |
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/** |
340 |
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* Deque contains all elements of collection used to initialize |
341 |
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*/ |
342 |
|
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public void testConstructor6() { |
343 |
jsr166 |
1.12 |
Integer[] ints = new Integer[SIZE]; |
344 |
|
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for (int i = 0; i < SIZE; ++i) |
345 |
|
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ints[i] = new Integer(i); |
346 |
|
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LinkedBlockingDeque q = new LinkedBlockingDeque(Arrays.asList(ints)); |
347 |
|
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for (int i = 0; i < SIZE; ++i) |
348 |
|
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assertEquals(ints[i], q.poll()); |
349 |
dl |
1.1 |
} |
350 |
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351 |
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/** |
352 |
|
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* Deque transitions from empty to full when elements added |
353 |
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*/ |
354 |
|
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public void testEmptyFull() { |
355 |
|
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LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
356 |
|
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assertTrue(q.isEmpty()); |
357 |
|
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assertEquals("should have room for 2", 2, q.remainingCapacity()); |
358 |
|
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q.add(one); |
359 |
|
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assertFalse(q.isEmpty()); |
360 |
|
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q.add(two); |
361 |
|
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assertFalse(q.isEmpty()); |
362 |
|
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assertEquals(0, q.remainingCapacity()); |
363 |
|
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assertFalse(q.offer(three)); |
364 |
|
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} |
365 |
|
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|
366 |
|
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/** |
367 |
|
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* remainingCapacity decreases on add, increases on remove |
368 |
|
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*/ |
369 |
|
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public void testRemainingCapacity() { |
370 |
|
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LinkedBlockingDeque q = populatedDeque(SIZE); |
371 |
|
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for (int i = 0; i < SIZE; ++i) { |
372 |
|
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assertEquals(i, q.remainingCapacity()); |
373 |
|
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assertEquals(SIZE-i, q.size()); |
374 |
|
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q.remove(); |
375 |
|
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} |
376 |
|
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for (int i = 0; i < SIZE; ++i) { |
377 |
|
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assertEquals(SIZE-i, q.remainingCapacity()); |
378 |
|
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assertEquals(i, q.size()); |
379 |
|
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q.add(new Integer(i)); |
380 |
|
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} |
381 |
|
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} |
382 |
|
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|
383 |
|
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/** |
384 |
|
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* offer(null) throws NPE |
385 |
|
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*/ |
386 |
|
|
public void testOfferNull() { |
387 |
jsr166 |
1.7 |
try { |
388 |
dl |
1.1 |
LinkedBlockingDeque q = new LinkedBlockingDeque(1); |
389 |
|
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q.offer(null); |
390 |
|
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shouldThrow(); |
391 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
392 |
dl |
1.1 |
} |
393 |
|
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|
394 |
|
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/** |
395 |
|
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* add(null) throws NPE |
396 |
|
|
*/ |
397 |
|
|
public void testAddNull() { |
398 |
jsr166 |
1.7 |
try { |
399 |
dl |
1.1 |
LinkedBlockingDeque q = new LinkedBlockingDeque(1); |
400 |
|
|
q.add(null); |
401 |
|
|
shouldThrow(); |
402 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
403 |
dl |
1.1 |
} |
404 |
|
|
|
405 |
|
|
/** |
406 |
|
|
* push(null) throws NPE |
407 |
|
|
*/ |
408 |
|
|
public void testPushNull() { |
409 |
jsr166 |
1.7 |
try { |
410 |
dl |
1.1 |
LinkedBlockingDeque q = new LinkedBlockingDeque(1); |
411 |
|
|
q.push(null); |
412 |
|
|
shouldThrow(); |
413 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
414 |
dl |
1.1 |
} |
415 |
|
|
|
416 |
|
|
/** |
417 |
|
|
* push succeeds if not full; throws ISE if full |
418 |
|
|
*/ |
419 |
|
|
public void testPush() { |
420 |
jsr166 |
1.7 |
try { |
421 |
dl |
1.1 |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
422 |
|
|
for (int i = 0; i < SIZE; ++i) { |
423 |
|
|
Integer I = new Integer(i); |
424 |
|
|
q.push(I); |
425 |
|
|
assertEquals(I, q.peek()); |
426 |
|
|
} |
427 |
|
|
assertEquals(0, q.remainingCapacity()); |
428 |
|
|
q.push(new Integer(SIZE)); |
429 |
jsr166 |
1.9 |
shouldThrow(); |
430 |
|
|
} catch (IllegalStateException success) {} |
431 |
dl |
1.1 |
} |
432 |
|
|
|
433 |
|
|
/** |
434 |
|
|
* peekFirst returns element inserted with push |
435 |
|
|
*/ |
436 |
|
|
public void testPushWithPeek() { |
437 |
|
|
LinkedBlockingDeque q = populatedDeque(3); |
438 |
|
|
q.pollLast(); |
439 |
jsr166 |
1.7 |
q.push(four); |
440 |
|
|
assertEquals(four,q.peekFirst()); |
441 |
jsr166 |
1.4 |
} |
442 |
dl |
1.1 |
|
443 |
|
|
|
444 |
|
|
/** |
445 |
|
|
* pop removes next element, or throws NSEE if empty |
446 |
|
|
*/ |
447 |
|
|
public void testPop() { |
448 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
449 |
|
|
for (int i = 0; i < SIZE; ++i) { |
450 |
|
|
assertEquals(i, ((Integer)q.pop()).intValue()); |
451 |
|
|
} |
452 |
|
|
try { |
453 |
|
|
q.pop(); |
454 |
|
|
shouldThrow(); |
455 |
jsr166 |
1.9 |
} catch (NoSuchElementException success) {} |
456 |
dl |
1.1 |
} |
457 |
|
|
|
458 |
|
|
|
459 |
|
|
/** |
460 |
|
|
* Offer succeeds if not full; fails if full |
461 |
|
|
*/ |
462 |
|
|
public void testOffer() { |
463 |
|
|
LinkedBlockingDeque q = new LinkedBlockingDeque(1); |
464 |
|
|
assertTrue(q.offer(zero)); |
465 |
|
|
assertFalse(q.offer(one)); |
466 |
|
|
} |
467 |
|
|
|
468 |
|
|
/** |
469 |
|
|
* add succeeds if not full; throws ISE if full |
470 |
|
|
*/ |
471 |
|
|
public void testAdd() { |
472 |
jsr166 |
1.7 |
try { |
473 |
dl |
1.1 |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
474 |
|
|
for (int i = 0; i < SIZE; ++i) { |
475 |
|
|
assertTrue(q.add(new Integer(i))); |
476 |
|
|
} |
477 |
|
|
assertEquals(0, q.remainingCapacity()); |
478 |
|
|
q.add(new Integer(SIZE)); |
479 |
jsr166 |
1.9 |
shouldThrow(); |
480 |
|
|
} catch (IllegalStateException success) {} |
481 |
dl |
1.1 |
} |
482 |
|
|
|
483 |
|
|
/** |
484 |
|
|
* addAll(null) throws NPE |
485 |
|
|
*/ |
486 |
|
|
public void testAddAll1() { |
487 |
|
|
try { |
488 |
|
|
LinkedBlockingDeque q = new LinkedBlockingDeque(1); |
489 |
|
|
q.addAll(null); |
490 |
|
|
shouldThrow(); |
491 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
492 |
dl |
1.1 |
} |
493 |
|
|
|
494 |
|
|
/** |
495 |
|
|
* addAll(this) throws IAE |
496 |
|
|
*/ |
497 |
|
|
public void testAddAllSelf() { |
498 |
|
|
try { |
499 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
500 |
|
|
q.addAll(q); |
501 |
|
|
shouldThrow(); |
502 |
jsr166 |
1.9 |
} catch (IllegalArgumentException success) {} |
503 |
dl |
1.1 |
} |
504 |
|
|
|
505 |
|
|
/** |
506 |
|
|
* addAll of a collection with null elements throws NPE |
507 |
|
|
*/ |
508 |
|
|
public void testAddAll2() { |
509 |
|
|
try { |
510 |
|
|
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
511 |
|
|
Integer[] ints = new Integer[SIZE]; |
512 |
|
|
q.addAll(Arrays.asList(ints)); |
513 |
|
|
shouldThrow(); |
514 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
515 |
dl |
1.1 |
} |
516 |
|
|
/** |
517 |
|
|
* addAll of a collection with any null elements throws NPE after |
518 |
|
|
* possibly adding some elements |
519 |
|
|
*/ |
520 |
|
|
public void testAddAll3() { |
521 |
|
|
try { |
522 |
|
|
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
523 |
|
|
Integer[] ints = new Integer[SIZE]; |
524 |
|
|
for (int i = 0; i < SIZE-1; ++i) |
525 |
|
|
ints[i] = new Integer(i); |
526 |
|
|
q.addAll(Arrays.asList(ints)); |
527 |
|
|
shouldThrow(); |
528 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
529 |
dl |
1.1 |
} |
530 |
|
|
/** |
531 |
|
|
* addAll throws ISE if not enough room |
532 |
|
|
*/ |
533 |
|
|
public void testAddAll4() { |
534 |
|
|
try { |
535 |
|
|
LinkedBlockingDeque q = new LinkedBlockingDeque(1); |
536 |
|
|
Integer[] ints = new Integer[SIZE]; |
537 |
|
|
for (int i = 0; i < SIZE; ++i) |
538 |
|
|
ints[i] = new Integer(i); |
539 |
|
|
q.addAll(Arrays.asList(ints)); |
540 |
|
|
shouldThrow(); |
541 |
jsr166 |
1.9 |
} catch (IllegalStateException success) {} |
542 |
dl |
1.1 |
} |
543 |
jsr166 |
1.16 |
|
544 |
dl |
1.1 |
/** |
545 |
|
|
* Deque contains all elements, in traversal order, of successful addAll |
546 |
|
|
*/ |
547 |
|
|
public void testAddAll5() { |
548 |
jsr166 |
1.12 |
Integer[] empty = new Integer[0]; |
549 |
|
|
Integer[] ints = new Integer[SIZE]; |
550 |
|
|
for (int i = 0; i < SIZE; ++i) |
551 |
|
|
ints[i] = new Integer(i); |
552 |
|
|
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
553 |
|
|
assertFalse(q.addAll(Arrays.asList(empty))); |
554 |
|
|
assertTrue(q.addAll(Arrays.asList(ints))); |
555 |
|
|
for (int i = 0; i < SIZE; ++i) |
556 |
|
|
assertEquals(ints[i], q.poll()); |
557 |
dl |
1.1 |
} |
558 |
|
|
|
559 |
|
|
|
560 |
|
|
/** |
561 |
|
|
* put(null) throws NPE |
562 |
|
|
*/ |
563 |
jsr166 |
1.10 |
public void testPutNull() throws InterruptedException { |
564 |
jsr166 |
1.7 |
try { |
565 |
dl |
1.1 |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
566 |
|
|
q.put(null); |
567 |
|
|
shouldThrow(); |
568 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
569 |
jsr166 |
1.10 |
} |
570 |
dl |
1.1 |
|
571 |
|
|
/** |
572 |
|
|
* all elements successfully put are contained |
573 |
|
|
*/ |
574 |
jsr166 |
1.10 |
public void testPut() throws InterruptedException { |
575 |
|
|
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
576 |
|
|
for (int i = 0; i < SIZE; ++i) { |
577 |
|
|
Integer I = new Integer(i); |
578 |
|
|
q.put(I); |
579 |
|
|
assertTrue(q.contains(I)); |
580 |
|
|
} |
581 |
|
|
assertEquals(0, q.remainingCapacity()); |
582 |
dl |
1.1 |
} |
583 |
|
|
|
584 |
|
|
/** |
585 |
|
|
* put blocks interruptibly if full |
586 |
|
|
*/ |
587 |
jsr166 |
1.9 |
public void testBlockingPut() throws InterruptedException { |
588 |
|
|
Thread t = new Thread(new CheckedRunnable() { |
589 |
|
|
public void realRun() { |
590 |
|
|
int added = 0; |
591 |
|
|
try { |
592 |
|
|
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
593 |
|
|
for (int i = 0; i < SIZE; ++i) { |
594 |
|
|
q.put(new Integer(i)); |
595 |
|
|
++added; |
596 |
jsr166 |
1.4 |
} |
597 |
jsr166 |
1.9 |
q.put(new Integer(SIZE)); |
598 |
|
|
threadShouldThrow(); |
599 |
|
|
} catch (InterruptedException success) { |
600 |
|
|
threadAssertEquals(added, SIZE); |
601 |
|
|
} |
602 |
|
|
}}); |
603 |
|
|
|
604 |
dl |
1.1 |
t.start(); |
605 |
jsr166 |
1.9 |
Thread.sleep(SHORT_DELAY_MS); |
606 |
|
|
t.interrupt(); |
607 |
|
|
t.join(); |
608 |
dl |
1.1 |
} |
609 |
|
|
|
610 |
|
|
/** |
611 |
|
|
* put blocks waiting for take when full |
612 |
|
|
*/ |
613 |
jsr166 |
1.9 |
public void testPutWithTake() throws InterruptedException { |
614 |
dl |
1.1 |
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
615 |
jsr166 |
1.10 |
Thread t = new Thread(new CheckedRunnable() { |
616 |
|
|
public void realRun() { |
617 |
|
|
int added = 0; |
618 |
|
|
try { |
619 |
|
|
q.put(new Object()); |
620 |
|
|
++added; |
621 |
|
|
q.put(new Object()); |
622 |
|
|
++added; |
623 |
|
|
q.put(new Object()); |
624 |
|
|
++added; |
625 |
|
|
q.put(new Object()); |
626 |
|
|
++added; |
627 |
|
|
threadShouldThrow(); |
628 |
|
|
} catch (InterruptedException success) { |
629 |
|
|
threadAssertTrue(added >= 2); |
630 |
dl |
1.1 |
} |
631 |
jsr166 |
1.10 |
}}); |
632 |
jsr166 |
1.9 |
|
633 |
|
|
t.start(); |
634 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
635 |
|
|
q.take(); |
636 |
|
|
t.interrupt(); |
637 |
|
|
t.join(); |
638 |
dl |
1.1 |
} |
639 |
|
|
|
640 |
|
|
/** |
641 |
|
|
* timed offer times out if full and elements not taken |
642 |
|
|
*/ |
643 |
jsr166 |
1.9 |
public void testTimedOffer() throws InterruptedException { |
644 |
dl |
1.1 |
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
645 |
jsr166 |
1.16 |
Thread t = new Thread(new CheckedRunnable() { |
646 |
jsr166 |
1.9 |
public void realRun() throws InterruptedException { |
647 |
|
|
q.put(new Object()); |
648 |
|
|
q.put(new Object()); |
649 |
jsr166 |
1.16 |
assertFalse(q.offer(new Object(), SHORT_DELAY_MS, MILLISECONDS)); |
650 |
|
|
try { |
651 |
|
|
q.offer(new Object(), LONG_DELAY_MS, MILLISECONDS); |
652 |
|
|
shouldThrow(); |
653 |
|
|
} catch (InterruptedException success) {} |
654 |
|
|
}}); |
655 |
jsr166 |
1.4 |
|
656 |
jsr166 |
1.9 |
t.start(); |
657 |
|
|
Thread.sleep(SMALL_DELAY_MS); |
658 |
|
|
t.interrupt(); |
659 |
|
|
t.join(); |
660 |
dl |
1.1 |
} |
661 |
|
|
|
662 |
|
|
/** |
663 |
|
|
* take retrieves elements in FIFO order |
664 |
|
|
*/ |
665 |
jsr166 |
1.9 |
public void testTake() throws InterruptedException { |
666 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
667 |
|
|
for (int i = 0; i < SIZE; ++i) { |
668 |
|
|
assertEquals(i, ((Integer)q.take()).intValue()); |
669 |
jsr166 |
1.7 |
} |
670 |
dl |
1.1 |
} |
671 |
|
|
|
672 |
|
|
/** |
673 |
|
|
* take blocks interruptibly when empty |
674 |
|
|
*/ |
675 |
jsr166 |
1.9 |
public void testTakeFromEmpty() throws InterruptedException { |
676 |
dl |
1.1 |
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
677 |
jsr166 |
1.9 |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
678 |
|
|
public void realRun() throws InterruptedException { |
679 |
|
|
q.take(); |
680 |
|
|
}}; |
681 |
|
|
|
682 |
|
|
t.start(); |
683 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
684 |
|
|
t.interrupt(); |
685 |
|
|
t.join(); |
686 |
dl |
1.1 |
} |
687 |
|
|
|
688 |
|
|
/** |
689 |
|
|
* Take removes existing elements until empty, then blocks interruptibly |
690 |
|
|
*/ |
691 |
jsr166 |
1.9 |
public void testBlockingTake() throws InterruptedException { |
692 |
|
|
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
693 |
|
|
public void realRun() throws InterruptedException { |
694 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
695 |
|
|
for (int i = 0; i < SIZE; ++i) { |
696 |
|
|
assertEquals(i, ((Integer)q.take()).intValue()); |
697 |
|
|
} |
698 |
|
|
q.take(); |
699 |
|
|
}}; |
700 |
|
|
|
701 |
dl |
1.1 |
t.start(); |
702 |
jsr166 |
1.9 |
Thread.sleep(SHORT_DELAY_MS); |
703 |
|
|
t.interrupt(); |
704 |
|
|
t.join(); |
705 |
dl |
1.1 |
} |
706 |
|
|
|
707 |
|
|
|
708 |
|
|
/** |
709 |
|
|
* poll succeeds unless empty |
710 |
|
|
*/ |
711 |
|
|
public void testPoll() { |
712 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
713 |
|
|
for (int i = 0; i < SIZE; ++i) { |
714 |
|
|
assertEquals(i, ((Integer)q.poll()).intValue()); |
715 |
|
|
} |
716 |
jsr166 |
1.7 |
assertNull(q.poll()); |
717 |
dl |
1.1 |
} |
718 |
|
|
|
719 |
|
|
/** |
720 |
|
|
* timed poll with zero timeout succeeds when non-empty, else times out |
721 |
|
|
*/ |
722 |
jsr166 |
1.9 |
public void testTimedPoll0() throws InterruptedException { |
723 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
724 |
|
|
for (int i = 0; i < SIZE; ++i) { |
725 |
|
|
assertEquals(i, ((Integer)q.poll(0, MILLISECONDS)).intValue()); |
726 |
jsr166 |
1.7 |
} |
727 |
jsr166 |
1.9 |
assertNull(q.poll(0, MILLISECONDS)); |
728 |
dl |
1.1 |
} |
729 |
|
|
|
730 |
|
|
/** |
731 |
|
|
* timed poll with nonzero timeout succeeds when non-empty, else times out |
732 |
|
|
*/ |
733 |
jsr166 |
1.9 |
public void testTimedPoll() throws InterruptedException { |
734 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
735 |
|
|
for (int i = 0; i < SIZE; ++i) { |
736 |
|
|
assertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, MILLISECONDS)).intValue()); |
737 |
jsr166 |
1.7 |
} |
738 |
jsr166 |
1.9 |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
739 |
dl |
1.1 |
} |
740 |
|
|
|
741 |
|
|
/** |
742 |
|
|
* Interrupted timed poll throws InterruptedException instead of |
743 |
|
|
* returning timeout status |
744 |
|
|
*/ |
745 |
jsr166 |
1.9 |
public void testInterruptedTimedPoll() throws InterruptedException { |
746 |
jsr166 |
1.13 |
Thread t = new Thread(new CheckedRunnable() { |
747 |
jsr166 |
1.9 |
public void realRun() throws InterruptedException { |
748 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
749 |
|
|
for (int i = 0; i < SIZE; ++i) { |
750 |
jsr166 |
1.13 |
assertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, MILLISECONDS)).intValue()); |
751 |
jsr166 |
1.9 |
} |
752 |
jsr166 |
1.13 |
try { |
753 |
|
|
q.poll(SMALL_DELAY_MS, MILLISECONDS); |
754 |
|
|
shouldThrow(); |
755 |
|
|
} catch (InterruptedException success) {} |
756 |
|
|
}}); |
757 |
jsr166 |
1.9 |
|
758 |
dl |
1.1 |
t.start(); |
759 |
jsr166 |
1.9 |
Thread.sleep(SHORT_DELAY_MS); |
760 |
|
|
t.interrupt(); |
761 |
|
|
t.join(); |
762 |
dl |
1.1 |
} |
763 |
|
|
|
764 |
|
|
/** |
765 |
|
|
* timed poll before a delayed offer fails; after offer succeeds; |
766 |
|
|
* on interruption throws |
767 |
|
|
*/ |
768 |
jsr166 |
1.9 |
public void testTimedPollWithOffer() throws InterruptedException { |
769 |
dl |
1.1 |
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
770 |
jsr166 |
1.14 |
Thread t = new Thread(new CheckedRunnable() { |
771 |
jsr166 |
1.9 |
public void realRun() throws InterruptedException { |
772 |
jsr166 |
1.14 |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
773 |
|
|
assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
774 |
|
|
try { |
775 |
|
|
q.poll(LONG_DELAY_MS, MILLISECONDS); |
776 |
|
|
shouldThrow(); |
777 |
|
|
} catch (InterruptedException success) {} |
778 |
|
|
}}); |
779 |
jsr166 |
1.9 |
|
780 |
|
|
t.start(); |
781 |
|
|
Thread.sleep(SMALL_DELAY_MS); |
782 |
|
|
assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS)); |
783 |
|
|
t.interrupt(); |
784 |
|
|
t.join(); |
785 |
jsr166 |
1.4 |
} |
786 |
dl |
1.1 |
|
787 |
|
|
|
788 |
|
|
/** |
789 |
|
|
* putFirst(null) throws NPE |
790 |
|
|
*/ |
791 |
jsr166 |
1.9 |
public void testPutFirstNull() throws InterruptedException { |
792 |
jsr166 |
1.7 |
try { |
793 |
dl |
1.1 |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
794 |
|
|
q.putFirst(null); |
795 |
|
|
shouldThrow(); |
796 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
797 |
dl |
1.1 |
} |
798 |
|
|
|
799 |
|
|
/** |
800 |
|
|
* all elements successfully putFirst are contained |
801 |
|
|
*/ |
802 |
jsr166 |
1.9 |
public void testPutFirst() throws InterruptedException { |
803 |
|
|
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
804 |
|
|
for (int i = 0; i < SIZE; ++i) { |
805 |
|
|
Integer I = new Integer(i); |
806 |
|
|
q.putFirst(I); |
807 |
|
|
assertTrue(q.contains(I)); |
808 |
dl |
1.1 |
} |
809 |
jsr166 |
1.9 |
assertEquals(0, q.remainingCapacity()); |
810 |
dl |
1.1 |
} |
811 |
|
|
|
812 |
|
|
/** |
813 |
|
|
* putFirst blocks interruptibly if full |
814 |
|
|
*/ |
815 |
jsr166 |
1.9 |
public void testBlockingPutFirst() throws InterruptedException { |
816 |
jsr166 |
1.11 |
Thread t = new Thread(new CheckedRunnable() { |
817 |
|
|
public void realRun() { |
818 |
|
|
int added = 0; |
819 |
|
|
try { |
820 |
|
|
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
821 |
|
|
for (int i = 0; i < SIZE; ++i) { |
822 |
|
|
q.putFirst(new Integer(i)); |
823 |
|
|
++added; |
824 |
jsr166 |
1.4 |
} |
825 |
jsr166 |
1.11 |
q.putFirst(new Integer(SIZE)); |
826 |
|
|
threadShouldThrow(); |
827 |
|
|
} catch (InterruptedException success) { |
828 |
|
|
threadAssertEquals(added, SIZE); |
829 |
|
|
} |
830 |
|
|
}}); |
831 |
jsr166 |
1.9 |
|
832 |
dl |
1.1 |
t.start(); |
833 |
jsr166 |
1.9 |
Thread.sleep(SHORT_DELAY_MS); |
834 |
|
|
t.interrupt(); |
835 |
|
|
t.join(); |
836 |
dl |
1.1 |
} |
837 |
|
|
|
838 |
|
|
/** |
839 |
|
|
* putFirst blocks waiting for take when full |
840 |
|
|
*/ |
841 |
jsr166 |
1.9 |
public void testPutFirstWithTake() throws InterruptedException { |
842 |
dl |
1.1 |
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
843 |
jsr166 |
1.11 |
Thread t = new Thread(new CheckedRunnable() { |
844 |
|
|
public void realRun() { |
845 |
|
|
int added = 0; |
846 |
|
|
try { |
847 |
|
|
q.putFirst(new Object()); |
848 |
|
|
++added; |
849 |
|
|
q.putFirst(new Object()); |
850 |
|
|
++added; |
851 |
|
|
q.putFirst(new Object()); |
852 |
|
|
++added; |
853 |
|
|
q.putFirst(new Object()); |
854 |
|
|
++added; |
855 |
|
|
threadShouldThrow(); |
856 |
|
|
} catch (InterruptedException success) { |
857 |
|
|
threadAssertTrue(added >= 2); |
858 |
dl |
1.1 |
} |
859 |
jsr166 |
1.11 |
}}); |
860 |
jsr166 |
1.9 |
|
861 |
|
|
t.start(); |
862 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
863 |
|
|
q.take(); |
864 |
|
|
t.interrupt(); |
865 |
|
|
t.join(); |
866 |
dl |
1.1 |
} |
867 |
|
|
|
868 |
|
|
/** |
869 |
|
|
* timed offerFirst times out if full and elements not taken |
870 |
|
|
*/ |
871 |
jsr166 |
1.9 |
public void testTimedOfferFirst() throws InterruptedException { |
872 |
dl |
1.1 |
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
873 |
jsr166 |
1.16 |
Thread t = new Thread(new CheckedRunnable() { |
874 |
jsr166 |
1.9 |
public void realRun() throws InterruptedException { |
875 |
|
|
q.putFirst(new Object()); |
876 |
|
|
q.putFirst(new Object()); |
877 |
jsr166 |
1.16 |
assertFalse(q.offerFirst(new Object(), SHORT_DELAY_MS, MILLISECONDS)); |
878 |
|
|
try { |
879 |
|
|
q.offerFirst(new Object(), LONG_DELAY_MS, MILLISECONDS); |
880 |
|
|
shouldThrow(); |
881 |
|
|
} catch (InterruptedException success) {} |
882 |
|
|
}}); |
883 |
jsr166 |
1.4 |
|
884 |
jsr166 |
1.9 |
t.start(); |
885 |
|
|
Thread.sleep(SMALL_DELAY_MS); |
886 |
|
|
t.interrupt(); |
887 |
|
|
t.join(); |
888 |
dl |
1.1 |
} |
889 |
|
|
|
890 |
|
|
/** |
891 |
|
|
* take retrieves elements in FIFO order |
892 |
|
|
*/ |
893 |
jsr166 |
1.9 |
public void testTakeFirst() throws InterruptedException { |
894 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
895 |
|
|
for (int i = 0; i < SIZE; ++i) { |
896 |
|
|
assertEquals(i, ((Integer)q.takeFirst()).intValue()); |
897 |
jsr166 |
1.7 |
} |
898 |
dl |
1.1 |
} |
899 |
|
|
|
900 |
|
|
/** |
901 |
|
|
* takeFirst blocks interruptibly when empty |
902 |
|
|
*/ |
903 |
jsr166 |
1.9 |
public void testTakeFirstFromEmpty() throws InterruptedException { |
904 |
dl |
1.1 |
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
905 |
jsr166 |
1.9 |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
906 |
|
|
public void realRun() throws InterruptedException { |
907 |
|
|
q.takeFirst(); |
908 |
|
|
}}; |
909 |
|
|
|
910 |
|
|
t.start(); |
911 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
912 |
|
|
t.interrupt(); |
913 |
|
|
t.join(); |
914 |
dl |
1.1 |
} |
915 |
|
|
|
916 |
|
|
/** |
917 |
|
|
* TakeFirst removes existing elements until empty, then blocks interruptibly |
918 |
|
|
*/ |
919 |
jsr166 |
1.9 |
public void testBlockingTakeFirst() throws InterruptedException { |
920 |
|
|
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
921 |
|
|
public void realRun() throws InterruptedException { |
922 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
923 |
|
|
for (int i = 0; i < SIZE; ++i) { |
924 |
|
|
assertEquals(i, ((Integer)q.takeFirst()).intValue()); |
925 |
|
|
} |
926 |
|
|
q.takeFirst(); |
927 |
|
|
}}; |
928 |
|
|
|
929 |
dl |
1.1 |
t.start(); |
930 |
jsr166 |
1.9 |
Thread.sleep(SHORT_DELAY_MS); |
931 |
|
|
t.interrupt(); |
932 |
|
|
t.join(); |
933 |
dl |
1.1 |
} |
934 |
|
|
|
935 |
|
|
|
936 |
|
|
/** |
937 |
|
|
* timed pollFirst with zero timeout succeeds when non-empty, else times out |
938 |
|
|
*/ |
939 |
jsr166 |
1.9 |
public void testTimedPollFirst0() throws InterruptedException { |
940 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
941 |
|
|
for (int i = 0; i < SIZE; ++i) { |
942 |
|
|
assertEquals(i, ((Integer)q.pollFirst(0, MILLISECONDS)).intValue()); |
943 |
jsr166 |
1.7 |
} |
944 |
jsr166 |
1.9 |
assertNull(q.pollFirst(0, MILLISECONDS)); |
945 |
dl |
1.1 |
} |
946 |
|
|
|
947 |
|
|
/** |
948 |
|
|
* timed pollFirst with nonzero timeout succeeds when non-empty, else times out |
949 |
|
|
*/ |
950 |
jsr166 |
1.9 |
public void testTimedPollFirst() throws InterruptedException { |
951 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
952 |
|
|
for (int i = 0; i < SIZE; ++i) { |
953 |
|
|
assertEquals(i, ((Integer)q.pollFirst(SHORT_DELAY_MS, MILLISECONDS)).intValue()); |
954 |
jsr166 |
1.7 |
} |
955 |
jsr166 |
1.9 |
assertNull(q.pollFirst(SHORT_DELAY_MS, MILLISECONDS)); |
956 |
dl |
1.1 |
} |
957 |
|
|
|
958 |
|
|
/** |
959 |
|
|
* Interrupted timed pollFirst throws InterruptedException instead of |
960 |
|
|
* returning timeout status |
961 |
|
|
*/ |
962 |
jsr166 |
1.9 |
public void testInterruptedTimedPollFirst() throws InterruptedException { |
963 |
jsr166 |
1.13 |
Thread t = new Thread(new CheckedRunnable() { |
964 |
jsr166 |
1.9 |
public void realRun() throws InterruptedException { |
965 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
966 |
|
|
for (int i = 0; i < SIZE; ++i) { |
967 |
jsr166 |
1.13 |
assertEquals(i, ((Integer)q.pollFirst(SHORT_DELAY_MS, MILLISECONDS)).intValue()); |
968 |
jsr166 |
1.9 |
} |
969 |
jsr166 |
1.13 |
try { |
970 |
|
|
q.pollFirst(SMALL_DELAY_MS, MILLISECONDS); |
971 |
|
|
shouldThrow(); |
972 |
|
|
} catch (InterruptedException success) {} |
973 |
|
|
}}); |
974 |
jsr166 |
1.9 |
|
975 |
dl |
1.1 |
t.start(); |
976 |
jsr166 |
1.9 |
Thread.sleep(SHORT_DELAY_MS); |
977 |
|
|
t.interrupt(); |
978 |
|
|
t.join(); |
979 |
dl |
1.1 |
} |
980 |
|
|
|
981 |
|
|
/** |
982 |
|
|
* timed pollFirst before a delayed offerFirst fails; after offerFirst succeeds; |
983 |
|
|
* on interruption throws |
984 |
|
|
*/ |
985 |
jsr166 |
1.9 |
public void testTimedPollFirstWithOfferFirst() throws InterruptedException { |
986 |
dl |
1.1 |
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
987 |
jsr166 |
1.14 |
Thread t = new Thread(new CheckedRunnable() { |
988 |
jsr166 |
1.9 |
public void realRun() throws InterruptedException { |
989 |
jsr166 |
1.14 |
assertNull(q.pollFirst(SHORT_DELAY_MS, MILLISECONDS)); |
990 |
|
|
assertSame(zero, q.pollFirst(LONG_DELAY_MS, MILLISECONDS)); |
991 |
|
|
try { |
992 |
|
|
q.pollFirst(LONG_DELAY_MS, MILLISECONDS); |
993 |
|
|
shouldThrow(); |
994 |
|
|
} catch (InterruptedException success) {} |
995 |
|
|
}}); |
996 |
jsr166 |
1.9 |
|
997 |
|
|
t.start(); |
998 |
|
|
Thread.sleep(SMALL_DELAY_MS); |
999 |
|
|
assertTrue(q.offerFirst(zero, SHORT_DELAY_MS, MILLISECONDS)); |
1000 |
|
|
t.interrupt(); |
1001 |
|
|
t.join(); |
1002 |
jsr166 |
1.4 |
} |
1003 |
dl |
1.1 |
|
1004 |
|
|
/** |
1005 |
|
|
* putLast(null) throws NPE |
1006 |
|
|
*/ |
1007 |
jsr166 |
1.9 |
public void testPutLastNull() throws InterruptedException { |
1008 |
jsr166 |
1.7 |
try { |
1009 |
dl |
1.1 |
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
1010 |
|
|
q.putLast(null); |
1011 |
|
|
shouldThrow(); |
1012 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
1013 |
dl |
1.1 |
} |
1014 |
|
|
|
1015 |
|
|
/** |
1016 |
|
|
* all elements successfully putLast are contained |
1017 |
|
|
*/ |
1018 |
jsr166 |
1.9 |
public void testPutLast() throws InterruptedException { |
1019 |
|
|
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
1020 |
|
|
for (int i = 0; i < SIZE; ++i) { |
1021 |
|
|
Integer I = new Integer(i); |
1022 |
|
|
q.putLast(I); |
1023 |
|
|
assertTrue(q.contains(I)); |
1024 |
dl |
1.1 |
} |
1025 |
jsr166 |
1.9 |
assertEquals(0, q.remainingCapacity()); |
1026 |
dl |
1.1 |
} |
1027 |
|
|
|
1028 |
|
|
/** |
1029 |
|
|
* putLast blocks interruptibly if full |
1030 |
|
|
*/ |
1031 |
jsr166 |
1.9 |
public void testBlockingPutLast() throws InterruptedException { |
1032 |
jsr166 |
1.11 |
Thread t = new Thread(new CheckedRunnable() { |
1033 |
|
|
public void realRun() { |
1034 |
|
|
int added = 0; |
1035 |
|
|
try { |
1036 |
|
|
LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE); |
1037 |
|
|
for (int i = 0; i < SIZE; ++i) { |
1038 |
|
|
q.putLast(new Integer(i)); |
1039 |
|
|
++added; |
1040 |
jsr166 |
1.4 |
} |
1041 |
jsr166 |
1.11 |
q.putLast(new Integer(SIZE)); |
1042 |
|
|
threadShouldThrow(); |
1043 |
|
|
} catch (InterruptedException success) { |
1044 |
|
|
threadAssertEquals(added, SIZE); |
1045 |
|
|
} |
1046 |
|
|
}}); |
1047 |
|
|
|
1048 |
dl |
1.1 |
t.start(); |
1049 |
jsr166 |
1.9 |
Thread.sleep(SHORT_DELAY_MS); |
1050 |
|
|
t.interrupt(); |
1051 |
|
|
t.join(); |
1052 |
dl |
1.1 |
} |
1053 |
|
|
|
1054 |
|
|
/** |
1055 |
|
|
* putLast blocks waiting for take when full |
1056 |
|
|
*/ |
1057 |
jsr166 |
1.9 |
public void testPutLastWithTake() throws InterruptedException { |
1058 |
dl |
1.1 |
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
1059 |
jsr166 |
1.11 |
Thread t = new Thread(new CheckedRunnable() { |
1060 |
|
|
public void realRun() { |
1061 |
|
|
int added = 0; |
1062 |
|
|
try { |
1063 |
|
|
q.putLast(new Object()); |
1064 |
|
|
++added; |
1065 |
|
|
q.putLast(new Object()); |
1066 |
|
|
++added; |
1067 |
|
|
q.putLast(new Object()); |
1068 |
|
|
++added; |
1069 |
|
|
q.putLast(new Object()); |
1070 |
|
|
++added; |
1071 |
|
|
threadShouldThrow(); |
1072 |
|
|
} catch (InterruptedException success) { |
1073 |
|
|
threadAssertTrue(added >= 2); |
1074 |
dl |
1.1 |
} |
1075 |
jsr166 |
1.11 |
}}); |
1076 |
jsr166 |
1.9 |
|
1077 |
|
|
t.start(); |
1078 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
1079 |
|
|
q.take(); |
1080 |
|
|
t.interrupt(); |
1081 |
|
|
t.join(); |
1082 |
dl |
1.1 |
} |
1083 |
|
|
|
1084 |
|
|
/** |
1085 |
|
|
* timed offerLast times out if full and elements not taken |
1086 |
|
|
*/ |
1087 |
jsr166 |
1.9 |
public void testTimedOfferLast() throws InterruptedException { |
1088 |
dl |
1.1 |
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
1089 |
jsr166 |
1.16 |
Thread t = new Thread(new CheckedRunnable() { |
1090 |
jsr166 |
1.9 |
public void realRun() throws InterruptedException { |
1091 |
|
|
q.putLast(new Object()); |
1092 |
|
|
q.putLast(new Object()); |
1093 |
jsr166 |
1.16 |
assertFalse(q.offerLast(new Object(), SHORT_DELAY_MS, MILLISECONDS)); |
1094 |
|
|
try { |
1095 |
|
|
q.offerLast(new Object(), LONG_DELAY_MS, MILLISECONDS); |
1096 |
|
|
shouldThrow(); |
1097 |
|
|
} catch (InterruptedException success) {} |
1098 |
|
|
}}); |
1099 |
jsr166 |
1.4 |
|
1100 |
jsr166 |
1.9 |
t.start(); |
1101 |
|
|
Thread.sleep(SMALL_DELAY_MS); |
1102 |
|
|
t.interrupt(); |
1103 |
|
|
t.join(); |
1104 |
dl |
1.1 |
} |
1105 |
|
|
|
1106 |
|
|
/** |
1107 |
|
|
* takeLast retrieves elements in FIFO order |
1108 |
|
|
*/ |
1109 |
jsr166 |
1.9 |
public void testTakeLast() throws InterruptedException { |
1110 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1111 |
|
|
for (int i = 0; i < SIZE; ++i) { |
1112 |
|
|
assertEquals(SIZE-i-1, ((Integer)q.takeLast()).intValue()); |
1113 |
jsr166 |
1.7 |
} |
1114 |
dl |
1.1 |
} |
1115 |
|
|
|
1116 |
|
|
/** |
1117 |
|
|
* takeLast blocks interruptibly when empty |
1118 |
|
|
*/ |
1119 |
jsr166 |
1.9 |
public void testTakeLastFromEmpty() throws InterruptedException { |
1120 |
dl |
1.1 |
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
1121 |
jsr166 |
1.9 |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
1122 |
|
|
public void realRun() throws InterruptedException { |
1123 |
|
|
q.takeLast(); |
1124 |
|
|
}}; |
1125 |
|
|
|
1126 |
|
|
t.start(); |
1127 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
1128 |
|
|
t.interrupt(); |
1129 |
|
|
t.join(); |
1130 |
dl |
1.1 |
} |
1131 |
|
|
|
1132 |
|
|
/** |
1133 |
|
|
* TakeLast removes existing elements until empty, then blocks interruptibly |
1134 |
|
|
*/ |
1135 |
jsr166 |
1.9 |
public void testBlockingTakeLast() throws InterruptedException { |
1136 |
|
|
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
1137 |
|
|
public void realRun() throws InterruptedException { |
1138 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1139 |
|
|
for (int i = 0; i < SIZE; ++i) { |
1140 |
|
|
assertEquals(SIZE-i-1, ((Integer)q.takeLast()).intValue()); |
1141 |
|
|
} |
1142 |
|
|
q.takeLast(); |
1143 |
|
|
}}; |
1144 |
|
|
|
1145 |
dl |
1.1 |
t.start(); |
1146 |
jsr166 |
1.9 |
Thread.sleep(SHORT_DELAY_MS); |
1147 |
|
|
t.interrupt(); |
1148 |
|
|
t.join(); |
1149 |
dl |
1.1 |
} |
1150 |
|
|
|
1151 |
|
|
|
1152 |
|
|
/** |
1153 |
|
|
* timed pollLast with zero timeout succeeds when non-empty, else times out |
1154 |
|
|
*/ |
1155 |
jsr166 |
1.9 |
public void testTimedPollLast0() throws InterruptedException { |
1156 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1157 |
|
|
for (int i = 0; i < SIZE; ++i) { |
1158 |
|
|
assertEquals(SIZE-i-1, ((Integer)q.pollLast(0, MILLISECONDS)).intValue()); |
1159 |
jsr166 |
1.7 |
} |
1160 |
jsr166 |
1.9 |
assertNull(q.pollLast(0, MILLISECONDS)); |
1161 |
dl |
1.1 |
} |
1162 |
|
|
|
1163 |
|
|
/** |
1164 |
|
|
* timed pollLast with nonzero timeout succeeds when non-empty, else times out |
1165 |
|
|
*/ |
1166 |
jsr166 |
1.9 |
public void testTimedPollLast() throws InterruptedException { |
1167 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1168 |
|
|
for (int i = 0; i < SIZE; ++i) { |
1169 |
|
|
assertEquals(SIZE-i-1, ((Integer)q.pollLast(SHORT_DELAY_MS, MILLISECONDS)).intValue()); |
1170 |
jsr166 |
1.7 |
} |
1171 |
jsr166 |
1.9 |
assertNull(q.pollLast(SHORT_DELAY_MS, MILLISECONDS)); |
1172 |
dl |
1.1 |
} |
1173 |
|
|
|
1174 |
|
|
/** |
1175 |
|
|
* Interrupted timed pollLast throws InterruptedException instead of |
1176 |
|
|
* returning timeout status |
1177 |
|
|
*/ |
1178 |
jsr166 |
1.9 |
public void testInterruptedTimedPollLast() throws InterruptedException { |
1179 |
jsr166 |
1.13 |
Thread t = new Thread(new CheckedRunnable() { |
1180 |
jsr166 |
1.9 |
public void realRun() throws InterruptedException { |
1181 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1182 |
|
|
for (int i = 0; i < SIZE; ++i) { |
1183 |
jsr166 |
1.13 |
assertEquals(SIZE-i-1, ((Integer)q.pollLast(SHORT_DELAY_MS, MILLISECONDS)).intValue()); |
1184 |
jsr166 |
1.9 |
} |
1185 |
jsr166 |
1.13 |
try { |
1186 |
|
|
q.pollLast(SMALL_DELAY_MS, MILLISECONDS); |
1187 |
|
|
shouldThrow(); |
1188 |
|
|
} catch (InterruptedException success) {} |
1189 |
|
|
}}); |
1190 |
jsr166 |
1.9 |
|
1191 |
dl |
1.1 |
t.start(); |
1192 |
jsr166 |
1.9 |
Thread.sleep(SHORT_DELAY_MS); |
1193 |
|
|
t.interrupt(); |
1194 |
|
|
t.join(); |
1195 |
dl |
1.1 |
} |
1196 |
|
|
|
1197 |
|
|
/** |
1198 |
|
|
* timed poll before a delayed offerLast fails; after offerLast succeeds; |
1199 |
|
|
* on interruption throws |
1200 |
|
|
*/ |
1201 |
jsr166 |
1.9 |
public void testTimedPollWithOfferLast() throws InterruptedException { |
1202 |
dl |
1.1 |
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
1203 |
jsr166 |
1.9 |
Thread t = new Thread(new CheckedRunnable() { |
1204 |
|
|
public void realRun() throws InterruptedException { |
1205 |
|
|
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
1206 |
|
|
assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
1207 |
|
|
try { |
1208 |
|
|
q.poll(LONG_DELAY_MS, MILLISECONDS); |
1209 |
|
|
shouldThrow(); |
1210 |
|
|
} catch (InterruptedException success) {} |
1211 |
|
|
}}); |
1212 |
|
|
|
1213 |
|
|
t.start(); |
1214 |
|
|
Thread.sleep(SMALL_DELAY_MS); |
1215 |
|
|
assertTrue(q.offerLast(zero, SHORT_DELAY_MS, MILLISECONDS)); |
1216 |
|
|
t.interrupt(); |
1217 |
|
|
t.join(); |
1218 |
jsr166 |
1.4 |
} |
1219 |
dl |
1.1 |
|
1220 |
|
|
|
1221 |
|
|
/** |
1222 |
|
|
* element returns next element, or throws NSEE if empty |
1223 |
|
|
*/ |
1224 |
|
|
public void testElement() { |
1225 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1226 |
|
|
for (int i = 0; i < SIZE; ++i) { |
1227 |
|
|
assertEquals(i, ((Integer)q.element()).intValue()); |
1228 |
|
|
q.poll(); |
1229 |
|
|
} |
1230 |
|
|
try { |
1231 |
|
|
q.element(); |
1232 |
|
|
shouldThrow(); |
1233 |
jsr166 |
1.9 |
} catch (NoSuchElementException success) {} |
1234 |
dl |
1.1 |
} |
1235 |
|
|
|
1236 |
|
|
/** |
1237 |
|
|
* remove(x) removes x and returns true if present |
1238 |
|
|
*/ |
1239 |
|
|
public void testRemoveElement() { |
1240 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1241 |
|
|
for (int i = 1; i < SIZE; i+=2) { |
1242 |
|
|
assertTrue(q.remove(new Integer(i))); |
1243 |
|
|
} |
1244 |
|
|
for (int i = 0; i < SIZE; i+=2) { |
1245 |
|
|
assertTrue(q.remove(new Integer(i))); |
1246 |
|
|
assertFalse(q.remove(new Integer(i+1))); |
1247 |
|
|
} |
1248 |
|
|
assertTrue(q.isEmpty()); |
1249 |
|
|
} |
1250 |
jsr166 |
1.4 |
|
1251 |
dl |
1.1 |
/** |
1252 |
|
|
* contains(x) reports true when elements added but not yet removed |
1253 |
|
|
*/ |
1254 |
|
|
public void testContains() { |
1255 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1256 |
|
|
for (int i = 0; i < SIZE; ++i) { |
1257 |
|
|
assertTrue(q.contains(new Integer(i))); |
1258 |
|
|
q.poll(); |
1259 |
|
|
assertFalse(q.contains(new Integer(i))); |
1260 |
|
|
} |
1261 |
|
|
} |
1262 |
|
|
|
1263 |
|
|
/** |
1264 |
|
|
* clear removes all elements |
1265 |
|
|
*/ |
1266 |
|
|
public void testClear() { |
1267 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1268 |
|
|
q.clear(); |
1269 |
|
|
assertTrue(q.isEmpty()); |
1270 |
|
|
assertEquals(0, q.size()); |
1271 |
|
|
assertEquals(SIZE, q.remainingCapacity()); |
1272 |
|
|
q.add(one); |
1273 |
|
|
assertFalse(q.isEmpty()); |
1274 |
|
|
assertTrue(q.contains(one)); |
1275 |
|
|
q.clear(); |
1276 |
|
|
assertTrue(q.isEmpty()); |
1277 |
|
|
} |
1278 |
|
|
|
1279 |
|
|
/** |
1280 |
|
|
* containsAll(c) is true when c contains a subset of elements |
1281 |
|
|
*/ |
1282 |
|
|
public void testContainsAll() { |
1283 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1284 |
|
|
LinkedBlockingDeque p = new LinkedBlockingDeque(SIZE); |
1285 |
|
|
for (int i = 0; i < SIZE; ++i) { |
1286 |
|
|
assertTrue(q.containsAll(p)); |
1287 |
|
|
assertFalse(p.containsAll(q)); |
1288 |
|
|
p.add(new Integer(i)); |
1289 |
|
|
} |
1290 |
|
|
assertTrue(p.containsAll(q)); |
1291 |
|
|
} |
1292 |
|
|
|
1293 |
|
|
/** |
1294 |
|
|
* retainAll(c) retains only those elements of c and reports true if changed |
1295 |
|
|
*/ |
1296 |
|
|
public void testRetainAll() { |
1297 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1298 |
|
|
LinkedBlockingDeque p = populatedDeque(SIZE); |
1299 |
|
|
for (int i = 0; i < SIZE; ++i) { |
1300 |
|
|
boolean changed = q.retainAll(p); |
1301 |
|
|
if (i == 0) |
1302 |
|
|
assertFalse(changed); |
1303 |
|
|
else |
1304 |
|
|
assertTrue(changed); |
1305 |
|
|
|
1306 |
|
|
assertTrue(q.containsAll(p)); |
1307 |
|
|
assertEquals(SIZE-i, q.size()); |
1308 |
|
|
p.remove(); |
1309 |
|
|
} |
1310 |
|
|
} |
1311 |
|
|
|
1312 |
|
|
/** |
1313 |
|
|
* removeAll(c) removes only those elements of c and reports true if changed |
1314 |
|
|
*/ |
1315 |
|
|
public void testRemoveAll() { |
1316 |
|
|
for (int i = 1; i < SIZE; ++i) { |
1317 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1318 |
|
|
LinkedBlockingDeque p = populatedDeque(i); |
1319 |
|
|
assertTrue(q.removeAll(p)); |
1320 |
|
|
assertEquals(SIZE-i, q.size()); |
1321 |
|
|
for (int j = 0; j < i; ++j) { |
1322 |
|
|
Integer I = (Integer)(p.remove()); |
1323 |
|
|
assertFalse(q.contains(I)); |
1324 |
|
|
} |
1325 |
|
|
} |
1326 |
|
|
} |
1327 |
|
|
|
1328 |
|
|
/** |
1329 |
|
|
* toArray contains all elements |
1330 |
|
|
*/ |
1331 |
jsr166 |
1.9 |
public void testToArray() throws InterruptedException{ |
1332 |
dl |
1.1 |
LinkedBlockingDeque q = populatedDeque(SIZE); |
1333 |
jsr166 |
1.7 |
Object[] o = q.toArray(); |
1334 |
|
|
for (int i = 0; i < o.length; i++) |
1335 |
|
|
assertEquals(o[i], q.take()); |
1336 |
dl |
1.1 |
} |
1337 |
|
|
|
1338 |
|
|
/** |
1339 |
|
|
* toArray(a) contains all elements |
1340 |
|
|
*/ |
1341 |
jsr166 |
1.9 |
public void testToArray2() throws InterruptedException { |
1342 |
dl |
1.1 |
LinkedBlockingDeque q = populatedDeque(SIZE); |
1343 |
jsr166 |
1.7 |
Integer[] ints = new Integer[SIZE]; |
1344 |
|
|
ints = (Integer[])q.toArray(ints); |
1345 |
jsr166 |
1.9 |
for (int i = 0; i < ints.length; i++) |
1346 |
|
|
assertEquals(ints[i], q.take()); |
1347 |
dl |
1.1 |
} |
1348 |
|
|
|
1349 |
|
|
/** |
1350 |
|
|
* toArray(null) throws NPE |
1351 |
|
|
*/ |
1352 |
|
|
public void testToArray_BadArg() { |
1353 |
jsr166 |
1.7 |
try { |
1354 |
dl |
1.1 |
LinkedBlockingDeque q = populatedDeque(SIZE); |
1355 |
jsr166 |
1.7 |
Object o[] = q.toArray(null); |
1356 |
|
|
shouldThrow(); |
1357 |
|
|
} catch (NullPointerException success) {} |
1358 |
dl |
1.1 |
} |
1359 |
|
|
|
1360 |
|
|
/** |
1361 |
|
|
* toArray with incompatible array type throws CCE |
1362 |
|
|
*/ |
1363 |
|
|
public void testToArray1_BadArg() { |
1364 |
jsr166 |
1.7 |
try { |
1365 |
dl |
1.1 |
LinkedBlockingDeque q = populatedDeque(SIZE); |
1366 |
jsr166 |
1.7 |
Object o[] = q.toArray(new String[10] ); |
1367 |
|
|
shouldThrow(); |
1368 |
jsr166 |
1.9 |
} catch (ArrayStoreException success) {} |
1369 |
dl |
1.1 |
} |
1370 |
|
|
|
1371 |
jsr166 |
1.4 |
|
1372 |
dl |
1.1 |
/** |
1373 |
|
|
* iterator iterates through all elements |
1374 |
|
|
*/ |
1375 |
jsr166 |
1.9 |
public void testIterator() throws InterruptedException { |
1376 |
dl |
1.1 |
LinkedBlockingDeque q = populatedDeque(SIZE); |
1377 |
jsr166 |
1.7 |
Iterator it = q.iterator(); |
1378 |
jsr166 |
1.9 |
while (it.hasNext()) { |
1379 |
|
|
assertEquals(it.next(), q.take()); |
1380 |
jsr166 |
1.7 |
} |
1381 |
dl |
1.1 |
} |
1382 |
|
|
|
1383 |
|
|
/** |
1384 |
|
|
* iterator.remove removes current element |
1385 |
|
|
*/ |
1386 |
|
|
public void testIteratorRemove () { |
1387 |
|
|
final LinkedBlockingDeque q = new LinkedBlockingDeque(3); |
1388 |
|
|
q.add(two); |
1389 |
|
|
q.add(one); |
1390 |
|
|
q.add(three); |
1391 |
|
|
|
1392 |
|
|
Iterator it = q.iterator(); |
1393 |
|
|
it.next(); |
1394 |
|
|
it.remove(); |
1395 |
jsr166 |
1.4 |
|
1396 |
dl |
1.1 |
it = q.iterator(); |
1397 |
|
|
assertEquals(it.next(), one); |
1398 |
|
|
assertEquals(it.next(), three); |
1399 |
|
|
assertFalse(it.hasNext()); |
1400 |
|
|
} |
1401 |
|
|
|
1402 |
|
|
|
1403 |
|
|
/** |
1404 |
|
|
* iterator ordering is FIFO |
1405 |
|
|
*/ |
1406 |
|
|
public void testIteratorOrdering() { |
1407 |
|
|
final LinkedBlockingDeque q = new LinkedBlockingDeque(3); |
1408 |
|
|
q.add(one); |
1409 |
|
|
q.add(two); |
1410 |
|
|
q.add(three); |
1411 |
|
|
assertEquals(0, q.remainingCapacity()); |
1412 |
|
|
int k = 0; |
1413 |
|
|
for (Iterator it = q.iterator(); it.hasNext();) { |
1414 |
|
|
int i = ((Integer)(it.next())).intValue(); |
1415 |
|
|
assertEquals(++k, i); |
1416 |
|
|
} |
1417 |
|
|
assertEquals(3, k); |
1418 |
|
|
} |
1419 |
|
|
|
1420 |
|
|
/** |
1421 |
|
|
* Modifications do not cause iterators to fail |
1422 |
|
|
*/ |
1423 |
|
|
public void testWeaklyConsistentIteration () { |
1424 |
|
|
final LinkedBlockingDeque q = new LinkedBlockingDeque(3); |
1425 |
|
|
q.add(one); |
1426 |
|
|
q.add(two); |
1427 |
|
|
q.add(three); |
1428 |
jsr166 |
1.9 |
for (Iterator it = q.iterator(); it.hasNext();) { |
1429 |
|
|
q.remove(); |
1430 |
|
|
it.next(); |
1431 |
dl |
1.1 |
} |
1432 |
|
|
assertEquals(0, q.size()); |
1433 |
|
|
} |
1434 |
|
|
|
1435 |
|
|
|
1436 |
|
|
/** |
1437 |
dl |
1.2 |
* Descending iterator iterates through all elements |
1438 |
|
|
*/ |
1439 |
|
|
public void testDescendingIterator() { |
1440 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1441 |
|
|
int i = 0; |
1442 |
jsr166 |
1.7 |
Iterator it = q.descendingIterator(); |
1443 |
jsr166 |
1.5 |
while (it.hasNext()) { |
1444 |
dl |
1.2 |
assertTrue(q.contains(it.next())); |
1445 |
|
|
++i; |
1446 |
|
|
} |
1447 |
|
|
assertEquals(i, SIZE); |
1448 |
|
|
assertFalse(it.hasNext()); |
1449 |
|
|
try { |
1450 |
|
|
it.next(); |
1451 |
jsr166 |
1.9 |
shouldThrow(); |
1452 |
|
|
} catch (NoSuchElementException success) {} |
1453 |
dl |
1.2 |
} |
1454 |
|
|
|
1455 |
|
|
/** |
1456 |
|
|
* Descending iterator ordering is reverse FIFO |
1457 |
|
|
*/ |
1458 |
|
|
public void testDescendingIteratorOrdering() { |
1459 |
|
|
final LinkedBlockingDeque q = new LinkedBlockingDeque(); |
1460 |
dl |
1.3 |
for (int iters = 0; iters < 100; ++iters) { |
1461 |
|
|
q.add(new Integer(3)); |
1462 |
|
|
q.add(new Integer(2)); |
1463 |
|
|
q.add(new Integer(1)); |
1464 |
|
|
int k = 0; |
1465 |
|
|
for (Iterator it = q.descendingIterator(); it.hasNext();) { |
1466 |
|
|
int i = ((Integer)(it.next())).intValue(); |
1467 |
|
|
assertEquals(++k, i); |
1468 |
|
|
} |
1469 |
jsr166 |
1.4 |
|
1470 |
dl |
1.3 |
assertEquals(3, k); |
1471 |
|
|
q.remove(); |
1472 |
|
|
q.remove(); |
1473 |
|
|
q.remove(); |
1474 |
dl |
1.2 |
} |
1475 |
|
|
} |
1476 |
|
|
|
1477 |
|
|
/** |
1478 |
|
|
* descendingIterator.remove removes current element |
1479 |
|
|
*/ |
1480 |
|
|
public void testDescendingIteratorRemove () { |
1481 |
|
|
final LinkedBlockingDeque q = new LinkedBlockingDeque(); |
1482 |
dl |
1.3 |
for (int iters = 0; iters < 100; ++iters) { |
1483 |
|
|
q.add(new Integer(3)); |
1484 |
|
|
q.add(new Integer(2)); |
1485 |
|
|
q.add(new Integer(1)); |
1486 |
|
|
Iterator it = q.descendingIterator(); |
1487 |
|
|
assertEquals(it.next(), new Integer(1)); |
1488 |
|
|
it.remove(); |
1489 |
|
|
assertEquals(it.next(), new Integer(2)); |
1490 |
|
|
it = q.descendingIterator(); |
1491 |
|
|
assertEquals(it.next(), new Integer(2)); |
1492 |
|
|
assertEquals(it.next(), new Integer(3)); |
1493 |
|
|
it.remove(); |
1494 |
|
|
assertFalse(it.hasNext()); |
1495 |
|
|
q.remove(); |
1496 |
|
|
} |
1497 |
dl |
1.2 |
} |
1498 |
|
|
|
1499 |
|
|
|
1500 |
|
|
/** |
1501 |
dl |
1.1 |
* toString contains toStrings of elements |
1502 |
|
|
*/ |
1503 |
|
|
public void testToString() { |
1504 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1505 |
|
|
String s = q.toString(); |
1506 |
|
|
for (int i = 0; i < SIZE; ++i) { |
1507 |
|
|
assertTrue(s.indexOf(String.valueOf(i)) >= 0); |
1508 |
|
|
} |
1509 |
jsr166 |
1.4 |
} |
1510 |
dl |
1.1 |
|
1511 |
|
|
|
1512 |
|
|
/** |
1513 |
|
|
* offer transfers elements across Executor tasks |
1514 |
|
|
*/ |
1515 |
|
|
public void testOfferInExecutor() { |
1516 |
|
|
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
1517 |
|
|
q.add(one); |
1518 |
|
|
q.add(two); |
1519 |
|
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
1520 |
jsr166 |
1.9 |
executor.execute(new CheckedRunnable() { |
1521 |
|
|
public void realRun() throws InterruptedException { |
1522 |
dl |
1.1 |
threadAssertFalse(q.offer(three)); |
1523 |
jsr166 |
1.9 |
threadAssertTrue(q.offer(three, MEDIUM_DELAY_MS, MILLISECONDS)); |
1524 |
|
|
threadAssertEquals(0, q.remainingCapacity()); |
1525 |
|
|
}}); |
1526 |
|
|
|
1527 |
|
|
executor.execute(new CheckedRunnable() { |
1528 |
|
|
public void realRun() throws InterruptedException { |
1529 |
|
|
Thread.sleep(SMALL_DELAY_MS); |
1530 |
|
|
threadAssertEquals(one, q.take()); |
1531 |
|
|
}}); |
1532 |
jsr166 |
1.4 |
|
1533 |
dl |
1.1 |
joinPool(executor); |
1534 |
|
|
} |
1535 |
|
|
|
1536 |
|
|
/** |
1537 |
|
|
* poll retrieves elements across Executor threads |
1538 |
|
|
*/ |
1539 |
|
|
public void testPollInExecutor() { |
1540 |
|
|
final LinkedBlockingDeque q = new LinkedBlockingDeque(2); |
1541 |
|
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
1542 |
jsr166 |
1.9 |
executor.execute(new CheckedRunnable() { |
1543 |
|
|
public void realRun() throws InterruptedException { |
1544 |
dl |
1.1 |
threadAssertNull(q.poll()); |
1545 |
jsr166 |
1.9 |
threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, MILLISECONDS)); |
1546 |
|
|
threadAssertTrue(q.isEmpty()); |
1547 |
|
|
}}); |
1548 |
|
|
|
1549 |
|
|
executor.execute(new CheckedRunnable() { |
1550 |
|
|
public void realRun() throws InterruptedException { |
1551 |
|
|
Thread.sleep(SMALL_DELAY_MS); |
1552 |
|
|
q.put(one); |
1553 |
|
|
}}); |
1554 |
jsr166 |
1.4 |
|
1555 |
dl |
1.1 |
joinPool(executor); |
1556 |
|
|
} |
1557 |
|
|
|
1558 |
|
|
/** |
1559 |
|
|
* A deserialized serialized deque has same elements in same order |
1560 |
|
|
*/ |
1561 |
jsr166 |
1.9 |
public void testSerialization() throws Exception { |
1562 |
dl |
1.1 |
LinkedBlockingDeque q = populatedDeque(SIZE); |
1563 |
|
|
|
1564 |
jsr166 |
1.9 |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
1565 |
|
|
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
1566 |
|
|
out.writeObject(q); |
1567 |
|
|
out.close(); |
1568 |
|
|
|
1569 |
|
|
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
1570 |
|
|
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
1571 |
|
|
LinkedBlockingDeque r = (LinkedBlockingDeque)in.readObject(); |
1572 |
|
|
assertEquals(q.size(), r.size()); |
1573 |
|
|
while (!q.isEmpty()) |
1574 |
|
|
assertEquals(q.remove(), r.remove()); |
1575 |
dl |
1.1 |
} |
1576 |
|
|
|
1577 |
|
|
/** |
1578 |
|
|
* drainTo(null) throws NPE |
1579 |
jsr166 |
1.4 |
*/ |
1580 |
dl |
1.1 |
public void testDrainToNull() { |
1581 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1582 |
|
|
try { |
1583 |
|
|
q.drainTo(null); |
1584 |
|
|
shouldThrow(); |
1585 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
1586 |
dl |
1.1 |
} |
1587 |
|
|
|
1588 |
|
|
/** |
1589 |
|
|
* drainTo(this) throws IAE |
1590 |
jsr166 |
1.4 |
*/ |
1591 |
dl |
1.1 |
public void testDrainToSelf() { |
1592 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1593 |
|
|
try { |
1594 |
|
|
q.drainTo(q); |
1595 |
|
|
shouldThrow(); |
1596 |
jsr166 |
1.10 |
} catch (IllegalArgumentException success) {} |
1597 |
dl |
1.1 |
} |
1598 |
|
|
|
1599 |
|
|
/** |
1600 |
|
|
* drainTo(c) empties deque into another collection c |
1601 |
jsr166 |
1.4 |
*/ |
1602 |
dl |
1.1 |
public void testDrainTo() { |
1603 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1604 |
|
|
ArrayList l = new ArrayList(); |
1605 |
|
|
q.drainTo(l); |
1606 |
|
|
assertEquals(q.size(), 0); |
1607 |
|
|
assertEquals(l.size(), SIZE); |
1608 |
jsr166 |
1.4 |
for (int i = 0; i < SIZE; ++i) |
1609 |
dl |
1.1 |
assertEquals(l.get(i), new Integer(i)); |
1610 |
|
|
q.add(zero); |
1611 |
|
|
q.add(one); |
1612 |
|
|
assertFalse(q.isEmpty()); |
1613 |
|
|
assertTrue(q.contains(zero)); |
1614 |
|
|
assertTrue(q.contains(one)); |
1615 |
|
|
l.clear(); |
1616 |
|
|
q.drainTo(l); |
1617 |
|
|
assertEquals(q.size(), 0); |
1618 |
|
|
assertEquals(l.size(), 2); |
1619 |
jsr166 |
1.4 |
for (int i = 0; i < 2; ++i) |
1620 |
dl |
1.1 |
assertEquals(l.get(i), new Integer(i)); |
1621 |
|
|
} |
1622 |
|
|
|
1623 |
|
|
/** |
1624 |
|
|
* drainTo empties full deque, unblocking a waiting put. |
1625 |
jsr166 |
1.4 |
*/ |
1626 |
jsr166 |
1.9 |
public void testDrainToWithActivePut() throws InterruptedException { |
1627 |
dl |
1.1 |
final LinkedBlockingDeque q = populatedDeque(SIZE); |
1628 |
jsr166 |
1.9 |
Thread t = new Thread(new CheckedRunnable() { |
1629 |
|
|
public void realRun() throws InterruptedException { |
1630 |
|
|
q.put(new Integer(SIZE+1)); |
1631 |
|
|
}}); |
1632 |
|
|
|
1633 |
|
|
t.start(); |
1634 |
|
|
ArrayList l = new ArrayList(); |
1635 |
|
|
q.drainTo(l); |
1636 |
|
|
assertTrue(l.size() >= SIZE); |
1637 |
|
|
for (int i = 0; i < SIZE; ++i) |
1638 |
|
|
assertEquals(l.get(i), new Integer(i)); |
1639 |
|
|
t.join(); |
1640 |
|
|
assertTrue(q.size() + l.size() >= SIZE); |
1641 |
dl |
1.1 |
} |
1642 |
|
|
|
1643 |
|
|
/** |
1644 |
|
|
* drainTo(null, n) throws NPE |
1645 |
jsr166 |
1.4 |
*/ |
1646 |
dl |
1.1 |
public void testDrainToNullN() { |
1647 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1648 |
|
|
try { |
1649 |
|
|
q.drainTo(null, 0); |
1650 |
|
|
shouldThrow(); |
1651 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
1652 |
dl |
1.1 |
} |
1653 |
|
|
|
1654 |
|
|
/** |
1655 |
|
|
* drainTo(this, n) throws IAE |
1656 |
jsr166 |
1.4 |
*/ |
1657 |
dl |
1.1 |
public void testDrainToSelfN() { |
1658 |
|
|
LinkedBlockingDeque q = populatedDeque(SIZE); |
1659 |
|
|
try { |
1660 |
|
|
q.drainTo(q, 0); |
1661 |
|
|
shouldThrow(); |
1662 |
jsr166 |
1.9 |
} catch (IllegalArgumentException success) {} |
1663 |
dl |
1.1 |
} |
1664 |
|
|
|
1665 |
|
|
/** |
1666 |
|
|
* drainTo(c, n) empties first max {n, size} elements of deque into c |
1667 |
jsr166 |
1.4 |
*/ |
1668 |
dl |
1.1 |
public void testDrainToN() { |
1669 |
|
|
LinkedBlockingDeque q = new LinkedBlockingDeque(); |
1670 |
|
|
for (int i = 0; i < SIZE + 2; ++i) { |
1671 |
jsr166 |
1.5 |
for (int j = 0; j < SIZE; j++) |
1672 |
dl |
1.1 |
assertTrue(q.offer(new Integer(j))); |
1673 |
|
|
ArrayList l = new ArrayList(); |
1674 |
|
|
q.drainTo(l, i); |
1675 |
|
|
int k = (i < SIZE)? i : SIZE; |
1676 |
|
|
assertEquals(l.size(), k); |
1677 |
|
|
assertEquals(q.size(), SIZE-k); |
1678 |
jsr166 |
1.4 |
for (int j = 0; j < k; ++j) |
1679 |
dl |
1.1 |
assertEquals(l.get(j), new Integer(j)); |
1680 |
|
|
while (q.poll() != null) ; |
1681 |
|
|
} |
1682 |
|
|
} |
1683 |
|
|
|
1684 |
|
|
} |