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/* |
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* Written by members of JCP JSR-166 Expert Group and released to the |
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* public domain. Use, modify, and redistribute this code in any way |
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* without acknowledgement. Other contributors include Andrew Wright, |
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* Jeffrey Hayes, Pat Fischer, Mike Judd. |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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import junit.framework.*; |
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public static void main(String[] args) { |
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junit.textui.TestRunner.run (suite()); |
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} |
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– |
|
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public static Test suite() { |
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return new TestSuite(PriorityBlockingQueueTest.class); |
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} |
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} |
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} |
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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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return q; |
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} |
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|
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< |
public void testConstructor1(){ |
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> |
/** |
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* A new queue has unbounded capacity |
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*/ |
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> |
public void testConstructor1() { |
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assertEquals(NOCAP, new PriorityBlockingQueue(SIZE).remainingCapacity()); |
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} |
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|
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< |
public void testConstructor2(){ |
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> |
/** |
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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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fail("Cannot make zero-sized"); |
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shouldThrow(); |
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} |
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catch (IllegalArgumentException success) {} |
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} |
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|
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public void testConstructor3(){ |
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|
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> |
/** |
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* Initializing from null Collection throws NPE |
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*/ |
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> |
public void testConstructor3() { |
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try { |
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PriorityBlockingQueue q = new PriorityBlockingQueue(null); |
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< |
fail("Cannot make from null collection"); |
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shouldThrow(); |
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} |
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catch (NullPointerException success) {} |
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} |
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|
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public void testConstructor4(){ |
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/** |
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* Initializing from Collection of null elements throws NPE |
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*/ |
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> |
public void testConstructor4() { |
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try { |
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Integer[] ints = new Integer[SIZE]; |
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PriorityBlockingQueue q = new PriorityBlockingQueue(Arrays.asList(ints)); |
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fail("Cannot make with null elements"); |
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shouldThrow(); |
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} |
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catch (NullPointerException success) {} |
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} |
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|
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public void testConstructor5(){ |
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/** |
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* Initializing from Collection with some null elements throws NPE |
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*/ |
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public void testConstructor5() { |
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try { |
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Integer[] ints = new Integer[SIZE]; |
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for (int i = 0; i < SIZE-1; ++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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fail("Cannot make with null elements"); |
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shouldThrow(); |
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} |
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catch (NullPointerException success) {} |
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} |
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|
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public void testConstructor6(){ |
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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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finally {} |
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} |
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|
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public void testConstructor7(){ |
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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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finally {} |
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} |
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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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PriorityBlockingQueue q = new PriorityBlockingQueue(2); |
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assertTrue(q.isEmpty()); |
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assertEquals(NOCAP, q.remainingCapacity()); |
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q.add(new Integer(1)); |
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q.add(one); |
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assertFalse(q.isEmpty()); |
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q.add(new Integer(2)); |
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q.add(two); |
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q.remove(); |
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q.remove(); |
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assertTrue(q.isEmpty()); |
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} |
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|
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public void testRemainingCapacity(){ |
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/** |
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* remainingCapacity does not change when elements added or removed, |
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* but size does |
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*/ |
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> |
public void testRemainingCapacity() { |
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PriorityBlockingQueue q = populatedQueue(SIZE); |
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for (int i = 0; i < SIZE; ++i) { |
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assertEquals(NOCAP, q.remainingCapacity()); |
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} |
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} |
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|
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< |
public void testOfferNull(){ |
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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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PriorityBlockingQueue q = new PriorityBlockingQueue(1); |
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q.offer(null); |
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fail("should throw NPE"); |
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> |
shouldThrow(); |
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} catch (NullPointerException success) { } |
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} |
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|
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+ |
/** |
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* add(null) throws NPE |
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*/ |
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public void testAddNull() { |
188 |
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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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} |
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|
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/** |
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* Offer of comparable element succeeds |
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*/ |
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public void testOffer() { |
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PriorityBlockingQueue q = new PriorityBlockingQueue(1); |
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< |
assertTrue(q.offer(new Integer(0))); |
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< |
assertTrue(q.offer(new Integer(1))); |
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> |
assertTrue(q.offer(zero)); |
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> |
assertTrue(q.offer(one)); |
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} |
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|
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/** |
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* Offer of non-Comparable throws CCE |
206 |
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*/ |
207 |
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public void testOfferNonComparable() { |
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try { |
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PriorityBlockingQueue q = new PriorityBlockingQueue(1); |
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q.offer(new Object()); |
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q.offer(new Object()); |
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q.offer(new Object()); |
213 |
< |
fail("should throw CCE"); |
213 |
> |
shouldThrow(); |
214 |
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} |
215 |
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catch(ClassCastException success) {} |
216 |
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} |
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|
218 |
< |
public void testAdd(){ |
218 |
> |
/** |
219 |
> |
* add of comparable succeeds |
220 |
> |
*/ |
221 |
> |
public void testAdd() { |
222 |
|
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE); |
223 |
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for (int i = 0; i < SIZE; ++i) { |
224 |
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assertEquals(i, q.size()); |
226 |
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} |
227 |
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} |
228 |
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|
229 |
< |
public void testAddAll1(){ |
229 |
> |
/** |
230 |
> |
* addAll(null) throws NPE |
231 |
> |
*/ |
232 |
> |
public void testAddAll1() { |
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try { |
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PriorityBlockingQueue q = new PriorityBlockingQueue(1); |
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q.addAll(null); |
236 |
< |
fail("Cannot add null collection"); |
236 |
> |
shouldThrow(); |
237 |
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} |
238 |
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catch (NullPointerException success) {} |
239 |
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} |
240 |
< |
public void testAddAll2(){ |
240 |
> |
|
241 |
> |
/** |
242 |
> |
* addAll(this) throws IAE |
243 |
> |
*/ |
244 |
> |
public void testAddAllSelf() { |
245 |
> |
try { |
246 |
> |
PriorityBlockingQueue q = populatedQueue(SIZE); |
247 |
> |
q.addAll(q); |
248 |
> |
shouldThrow(); |
249 |
> |
} |
250 |
> |
catch (IllegalArgumentException success) {} |
251 |
> |
} |
252 |
> |
|
253 |
> |
/** |
254 |
> |
* addAll of a collection with null elements throws NPE |
255 |
> |
*/ |
256 |
> |
public void testAddAll2() { |
257 |
|
try { |
258 |
|
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE); |
259 |
|
Integer[] ints = new Integer[SIZE]; |
260 |
|
q.addAll(Arrays.asList(ints)); |
261 |
< |
fail("Cannot add null elements"); |
261 |
> |
shouldThrow(); |
262 |
|
} |
263 |
|
catch (NullPointerException success) {} |
264 |
|
} |
265 |
< |
public void testAddAll3(){ |
265 |
> |
/** |
266 |
> |
* addAll of a collection with any null elements throws NPE after |
267 |
> |
* possibly adding some elements |
268 |
> |
*/ |
269 |
> |
public void testAddAll3() { |
270 |
|
try { |
271 |
|
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE); |
272 |
|
Integer[] ints = new Integer[SIZE]; |
273 |
|
for (int i = 0; i < SIZE-1; ++i) |
274 |
|
ints[i] = new Integer(i); |
275 |
|
q.addAll(Arrays.asList(ints)); |
276 |
< |
fail("Cannot add null elements"); |
276 |
> |
shouldThrow(); |
277 |
|
} |
278 |
|
catch (NullPointerException success) {} |
279 |
|
} |
280 |
|
|
281 |
< |
public void testAddAll5(){ |
281 |
> |
/** |
282 |
> |
* Queue contains all elements of successful addAll |
283 |
> |
*/ |
284 |
> |
public void testAddAll5() { |
285 |
|
try { |
286 |
|
Integer[] empty = new Integer[0]; |
287 |
|
Integer[] ints = new Integer[SIZE]; |
296 |
|
finally {} |
297 |
|
} |
298 |
|
|
299 |
+ |
/** |
300 |
+ |
* put(null) throws NPE |
301 |
+ |
*/ |
302 |
|
public void testPutNull() { |
303 |
|
try { |
304 |
|
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE); |
305 |
|
q.put(null); |
306 |
< |
fail("put should throw NPE"); |
306 |
> |
shouldThrow(); |
307 |
|
} |
308 |
|
catch (NullPointerException success){ |
309 |
|
} |
310 |
|
} |
311 |
|
|
312 |
+ |
/** |
313 |
+ |
* all elements successfully put are contained |
314 |
+ |
*/ |
315 |
|
public void testPut() { |
316 |
|
try { |
317 |
|
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE); |
326 |
|
} |
327 |
|
} |
328 |
|
|
329 |
+ |
/** |
330 |
+ |
* put doesn't block waiting for take |
331 |
+ |
*/ |
332 |
|
public void testPutWithTake() { |
333 |
|
final PriorityBlockingQueue q = new PriorityBlockingQueue(2); |
334 |
|
Thread t = new Thread(new Runnable() { |
335 |
< |
public void run(){ |
335 |
> |
public void run() { |
336 |
|
int added = 0; |
337 |
|
try { |
338 |
|
q.put(new Integer(0)); |
355 |
|
t.interrupt(); |
356 |
|
t.join(); |
357 |
|
} catch (Exception e){ |
358 |
< |
fail("Unexpected exception"); |
358 |
> |
unexpectedException(); |
359 |
|
} |
360 |
|
} |
361 |
|
|
362 |
+ |
/** |
363 |
+ |
* timed offer does not time out |
364 |
+ |
*/ |
365 |
|
public void testTimedOffer() { |
366 |
|
final PriorityBlockingQueue q = new PriorityBlockingQueue(2); |
367 |
|
Thread t = new Thread(new Runnable() { |
368 |
< |
public void run(){ |
368 |
> |
public void run() { |
369 |
|
try { |
370 |
|
q.put(new Integer(0)); |
371 |
|
q.put(new Integer(0)); |
381 |
|
t.interrupt(); |
382 |
|
t.join(); |
383 |
|
} catch (Exception e){ |
384 |
< |
fail("Unexpected exception"); |
384 |
> |
unexpectedException(); |
385 |
|
} |
386 |
|
} |
387 |
|
|
388 |
< |
public void testTake(){ |
388 |
> |
/** |
389 |
> |
* take retrieves elements in priority order |
390 |
> |
*/ |
391 |
> |
public void testTake() { |
392 |
|
try { |
393 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
394 |
|
for (int i = 0; i < SIZE; ++i) { |
395 |
|
assertEquals(i, ((Integer)q.take()).intValue()); |
396 |
|
} |
397 |
|
} catch (InterruptedException e){ |
398 |
< |
fail("Unexpected exception"); |
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(){ |
408 |
> |
public void run() { |
409 |
|
try { |
410 |
|
q.take(); |
411 |
< |
threadFail("Should block"); |
411 |
> |
threadShouldThrow(); |
412 |
|
} catch (InterruptedException success){ } |
413 |
|
} |
414 |
|
}); |
418 |
|
t.interrupt(); |
419 |
|
t.join(); |
420 |
|
} catch (Exception e){ |
421 |
< |
fail("Unexpected exception"); |
421 |
> |
unexpectedException(); |
422 |
|
} |
423 |
|
} |
424 |
|
|
425 |
< |
public void testBlockingTake(){ |
425 |
> |
/** |
426 |
> |
* Take removes existing elements until empty, then blocks interruptibly |
427 |
> |
*/ |
428 |
> |
public void testBlockingTake() { |
429 |
|
Thread t = new Thread(new Runnable() { |
430 |
|
public void run() { |
431 |
|
try { |
434 |
|
threadAssertEquals(i, ((Integer)q.take()).intValue()); |
435 |
|
} |
436 |
|
q.take(); |
437 |
< |
threadFail("take should block"); |
437 |
> |
threadShouldThrow(); |
438 |
|
} catch (InterruptedException success){ |
439 |
|
} |
440 |
|
}}); |
445 |
|
t.join(); |
446 |
|
} |
447 |
|
catch (InterruptedException ie) { |
448 |
< |
fail("Unexpected exception"); |
448 |
> |
unexpectedException(); |
449 |
|
} |
450 |
|
} |
451 |
|
|
452 |
|
|
453 |
< |
public void testPoll(){ |
453 |
> |
/** |
454 |
> |
* poll succeeds unless empty |
455 |
> |
*/ |
456 |
> |
public void testPoll() { |
457 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
458 |
|
for (int i = 0; i < SIZE; ++i) { |
459 |
|
assertEquals(i, ((Integer)q.poll()).intValue()); |
461 |
|
assertNull(q.poll()); |
462 |
|
} |
463 |
|
|
464 |
+ |
/** |
465 |
+ |
* timed pool with zero timeout succeeds when non-empty, else times out |
466 |
+ |
*/ |
467 |
|
public void testTimedPoll0() { |
468 |
|
try { |
469 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
472 |
|
} |
473 |
|
assertNull(q.poll(0, TimeUnit.MILLISECONDS)); |
474 |
|
} catch (InterruptedException e){ |
475 |
< |
fail("Unexpected exception"); |
475 |
> |
unexpectedException(); |
476 |
|
} |
477 |
|
} |
478 |
|
|
479 |
+ |
/** |
480 |
+ |
* timed pool with nonzero timeout succeeds when non-empty, else times out |
481 |
+ |
*/ |
482 |
|
public void testTimedPoll() { |
483 |
|
try { |
484 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
487 |
|
} |
488 |
|
assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
489 |
|
} catch (InterruptedException e){ |
490 |
< |
fail("Unexpected exception"); |
490 |
> |
unexpectedException(); |
491 |
|
} |
492 |
|
} |
493 |
|
|
494 |
< |
public void testInterruptedTimedPoll(){ |
494 |
> |
/** |
495 |
> |
* Interrupted timed poll throws InterruptedException instead of |
496 |
> |
* returning timeout status |
497 |
> |
*/ |
498 |
> |
public void testInterruptedTimedPoll() { |
499 |
|
Thread t = new Thread(new Runnable() { |
500 |
|
public void run() { |
501 |
|
try { |
514 |
|
t.join(); |
515 |
|
} |
516 |
|
catch (InterruptedException ie) { |
517 |
< |
fail("Unexpected exception"); |
517 |
> |
unexpectedException(); |
518 |
|
} |
519 |
|
} |
520 |
|
|
521 |
< |
public void testTimedPollWithOffer(){ |
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(){ |
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 |
< |
threadFail("Should block"); |
533 |
> |
threadShouldThrow(); |
534 |
|
} catch (InterruptedException success) { } |
535 |
|
} |
536 |
|
}); |
541 |
|
t.interrupt(); |
542 |
|
t.join(); |
543 |
|
} catch (Exception e){ |
544 |
< |
fail("Unexpected exception"); |
544 |
> |
unexpectedException(); |
545 |
|
} |
546 |
|
} |
547 |
|
|
548 |
|
|
549 |
< |
public void testPeek(){ |
549 |
> |
/** |
550 |
> |
* peek returns next element, or null if empty |
551 |
> |
*/ |
552 |
> |
public void testPeek() { |
553 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
554 |
|
for (int i = 0; i < SIZE; ++i) { |
555 |
|
assertEquals(i, ((Integer)q.peek()).intValue()); |
560 |
|
assertNull(q.peek()); |
561 |
|
} |
562 |
|
|
563 |
< |
public void testElement(){ |
563 |
> |
/** |
564 |
> |
* element returns next element, or throws NSEE if empty |
565 |
> |
*/ |
566 |
> |
public void testElement() { |
567 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
568 |
|
for (int i = 0; i < SIZE; ++i) { |
569 |
|
assertEquals(i, ((Integer)q.element()).intValue()); |
571 |
|
} |
572 |
|
try { |
573 |
|
q.element(); |
574 |
< |
fail("no such element"); |
574 |
> |
shouldThrow(); |
575 |
|
} |
576 |
|
catch (NoSuchElementException success) {} |
577 |
|
} |
578 |
|
|
579 |
< |
public void testRemove(){ |
579 |
> |
/** |
580 |
> |
* remove removes next element, or throws NSEE if empty |
581 |
> |
*/ |
582 |
> |
public void testRemove() { |
583 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
584 |
|
for (int i = 0; i < SIZE; ++i) { |
585 |
|
assertEquals(i, ((Integer)q.remove()).intValue()); |
586 |
|
} |
587 |
|
try { |
588 |
|
q.remove(); |
589 |
< |
fail("remove should throw"); |
589 |
> |
shouldThrow(); |
590 |
|
} catch (NoSuchElementException success){ |
591 |
|
} |
592 |
|
} |
593 |
|
|
594 |
< |
public void testRemoveElement(){ |
594 |
> |
/** |
595 |
> |
* remove(x) removes x and returns true if present |
596 |
> |
*/ |
597 |
> |
public void testRemoveElement() { |
598 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
599 |
|
for (int i = 1; i < SIZE; i+=2) { |
600 |
|
assertTrue(q.remove(new Integer(i))); |
606 |
|
assertTrue(q.isEmpty()); |
607 |
|
} |
608 |
|
|
609 |
< |
public void testContains(){ |
609 |
> |
/** |
610 |
> |
* contains(x) reports true when elements added but not yet removed |
611 |
> |
*/ |
612 |
> |
public void testContains() { |
613 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
614 |
|
for (int i = 0; i < SIZE; ++i) { |
615 |
|
assertTrue(q.contains(new Integer(i))); |
618 |
|
} |
619 |
|
} |
620 |
|
|
621 |
< |
public void testClear(){ |
621 |
> |
/** |
622 |
> |
* clear removes all elements |
623 |
> |
*/ |
624 |
> |
public void testClear() { |
625 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
626 |
|
q.clear(); |
627 |
|
assertTrue(q.isEmpty()); |
633 |
|
assertTrue(q.isEmpty()); |
634 |
|
} |
635 |
|
|
636 |
< |
public void testContainsAll(){ |
636 |
> |
/** |
637 |
> |
* containsAll(c) is true when c contains a subset of elements |
638 |
> |
*/ |
639 |
> |
public void testContainsAll() { |
640 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
641 |
|
PriorityBlockingQueue p = new PriorityBlockingQueue(SIZE); |
642 |
|
for (int i = 0; i < SIZE; ++i) { |
647 |
|
assertTrue(p.containsAll(q)); |
648 |
|
} |
649 |
|
|
650 |
< |
public void testRetainAll(){ |
650 |
> |
/** |
651 |
> |
* retainAll(c) retains only those elements of c and reports true if changed |
652 |
> |
*/ |
653 |
> |
public void testRetainAll() { |
654 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
655 |
|
PriorityBlockingQueue p = populatedQueue(SIZE); |
656 |
|
for (int i = 0; i < SIZE; ++i) { |
666 |
|
} |
667 |
|
} |
668 |
|
|
669 |
< |
public void testRemoveAll(){ |
669 |
> |
/** |
670 |
> |
* removeAll(c) removes only those elements of c and reports true if changed |
671 |
> |
*/ |
672 |
> |
public void testRemoveAll() { |
673 |
|
for (int i = 1; i < SIZE; ++i) { |
674 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
675 |
|
PriorityBlockingQueue p = populatedQueue(i); |
682 |
|
} |
683 |
|
} |
684 |
|
|
685 |
< |
public void testToArray(){ |
685 |
> |
/** |
686 |
> |
* toArray contains all elements |
687 |
> |
*/ |
688 |
> |
public void testToArray() { |
689 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
690 |
|
Object[] o = q.toArray(); |
691 |
|
Arrays.sort(o); |
693 |
|
for(int i = 0; i < o.length; i++) |
694 |
|
assertEquals(o[i], q.take()); |
695 |
|
} catch (InterruptedException e){ |
696 |
< |
fail("Unexpected exception"); |
696 |
> |
unexpectedException(); |
697 |
|
} |
698 |
|
} |
699 |
|
|
700 |
< |
public void testToArray2(){ |
700 |
> |
/** |
701 |
> |
* toArray(a) contains all elements |
702 |
> |
*/ |
703 |
> |
public void testToArray2() { |
704 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
705 |
|
Integer[] ints = new Integer[SIZE]; |
706 |
|
ints = (Integer[])q.toArray(ints); |
709 |
|
for(int i = 0; i < ints.length; i++) |
710 |
|
assertEquals(ints[i], q.take()); |
711 |
|
} catch (InterruptedException e){ |
712 |
< |
fail("Unexpected exception"); |
712 |
> |
unexpectedException(); |
713 |
|
} |
714 |
|
} |
715 |
+ |
|
716 |
+ |
/** |
717 |
+ |
* toArray(null) throws NPE |
718 |
+ |
*/ |
719 |
+ |
public void testToArray_BadArg() { |
720 |
+ |
try { |
721 |
+ |
PriorityBlockingQueue q = populatedQueue(SIZE); |
722 |
+ |
Object o[] = q.toArray(null); |
723 |
+ |
shouldThrow(); |
724 |
+ |
} catch(NullPointerException success){} |
725 |
+ |
} |
726 |
+ |
|
727 |
+ |
/** |
728 |
+ |
* toArray with incompatible array type throws CCE |
729 |
+ |
*/ |
730 |
+ |
public void testToArray1_BadArg() { |
731 |
+ |
try { |
732 |
+ |
PriorityBlockingQueue q = populatedQueue(SIZE); |
733 |
+ |
Object o[] = q.toArray(new String[10] ); |
734 |
+ |
shouldThrow(); |
735 |
+ |
} catch(ArrayStoreException success){} |
736 |
+ |
} |
737 |
|
|
738 |
< |
public void testIterator(){ |
738 |
> |
/** |
739 |
> |
* iterator iterates through all elements |
740 |
> |
*/ |
741 |
> |
public void testIterator() { |
742 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
743 |
|
int i = 0; |
744 |
|
Iterator it = q.iterator(); |
749 |
|
assertEquals(i, SIZE); |
750 |
|
} |
751 |
|
|
752 |
+ |
/** |
753 |
+ |
* iterator.remove removes current element |
754 |
+ |
*/ |
755 |
|
public void testIteratorRemove () { |
582 |
– |
|
756 |
|
final PriorityBlockingQueue q = new PriorityBlockingQueue(3); |
584 |
– |
|
757 |
|
q.add(new Integer(2)); |
758 |
|
q.add(new Integer(1)); |
759 |
|
q.add(new Integer(3)); |
769 |
|
} |
770 |
|
|
771 |
|
|
772 |
< |
public void testToString(){ |
772 |
> |
/** |
773 |
> |
* toString contains toStrings of elements |
774 |
> |
*/ |
775 |
> |
public void testToString() { |
776 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
777 |
|
String s = q.toString(); |
778 |
|
for (int i = 0; i < SIZE; ++i) { |
780 |
|
} |
781 |
|
} |
782 |
|
|
783 |
+ |
/** |
784 |
+ |
* offer transfers elements across Executor tasks |
785 |
+ |
*/ |
786 |
|
public void testPollInExecutor() { |
609 |
– |
|
787 |
|
final PriorityBlockingQueue q = new PriorityBlockingQueue(2); |
611 |
– |
|
788 |
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
613 |
– |
|
789 |
|
executor.execute(new Runnable() { |
790 |
|
public void run() { |
791 |
|
threadAssertNull(q.poll()); |
794 |
|
threadAssertTrue(q.isEmpty()); |
795 |
|
} |
796 |
|
catch (InterruptedException e) { |
797 |
< |
threadFail("should not be interrupted"); |
797 |
> |
threadUnexpectedException(); |
798 |
|
} |
799 |
|
} |
800 |
|
}); |
806 |
|
q.put(new Integer(1)); |
807 |
|
} |
808 |
|
catch (InterruptedException e) { |
809 |
< |
threadFail("should not be interrupted"); |
809 |
> |
threadUnexpectedException(); |
810 |
|
} |
811 |
|
} |
812 |
|
}); |
813 |
|
|
814 |
|
joinPool(executor); |
640 |
– |
|
815 |
|
} |
816 |
|
|
817 |
+ |
/** |
818 |
+ |
* A deserialized serialized queue has same elements |
819 |
+ |
*/ |
820 |
|
public void testSerialization() { |
821 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
822 |
|
try { |
832 |
|
while (!q.isEmpty()) |
833 |
|
assertEquals(q.remove(), r.remove()); |
834 |
|
} catch(Exception e){ |
835 |
< |
fail("unexpected exception"); |
835 |
> |
unexpectedException(); |
836 |
|
} |
837 |
|
} |
838 |
|
|
839 |
+ |
/** |
840 |
+ |
* drainTo(null) throws NPE |
841 |
+ |
*/ |
842 |
+ |
public void testDrainToNull() { |
843 |
+ |
PriorityBlockingQueue q = populatedQueue(SIZE); |
844 |
+ |
try { |
845 |
+ |
q.drainTo(null); |
846 |
+ |
shouldThrow(); |
847 |
+ |
} catch(NullPointerException success) { |
848 |
+ |
} |
849 |
+ |
} |
850 |
+ |
|
851 |
+ |
/** |
852 |
+ |
* drainTo(this) throws IAE |
853 |
+ |
*/ |
854 |
+ |
public void testDrainToSelf() { |
855 |
+ |
PriorityBlockingQueue q = populatedQueue(SIZE); |
856 |
+ |
try { |
857 |
+ |
q.drainTo(q); |
858 |
+ |
shouldThrow(); |
859 |
+ |
} catch(IllegalArgumentException success) { |
860 |
+ |
} |
861 |
+ |
} |
862 |
+ |
|
863 |
+ |
/** |
864 |
+ |
* drainTo(c) empties queue into another collection c |
865 |
+ |
*/ |
866 |
+ |
public void testDrainTo() { |
867 |
+ |
PriorityBlockingQueue q = populatedQueue(SIZE); |
868 |
+ |
ArrayList l = new ArrayList(); |
869 |
+ |
q.drainTo(l); |
870 |
+ |
assertEquals(q.size(), 0); |
871 |
+ |
assertEquals(l.size(), SIZE); |
872 |
+ |
for (int i = 0; i < SIZE; ++i) |
873 |
+ |
assertEquals(l.get(i), new Integer(i)); |
874 |
+ |
} |
875 |
+ |
|
876 |
+ |
/** |
877 |
+ |
* drainTo empties queue |
878 |
+ |
*/ |
879 |
+ |
public void testDrainToWithActivePut() { |
880 |
+ |
final PriorityBlockingQueue q = populatedQueue(SIZE); |
881 |
+ |
Thread t = new Thread(new Runnable() { |
882 |
+ |
public void run() { |
883 |
+ |
q.put(new Integer(SIZE+1)); |
884 |
+ |
} |
885 |
+ |
}); |
886 |
+ |
try { |
887 |
+ |
t.start(); |
888 |
+ |
ArrayList l = new ArrayList(); |
889 |
+ |
q.drainTo(l); |
890 |
+ |
assertTrue(l.size() >= SIZE); |
891 |
+ |
for (int i = 0; i < SIZE; ++i) |
892 |
+ |
assertEquals(l.get(i), new Integer(i)); |
893 |
+ |
t.join(); |
894 |
+ |
assertTrue(q.size() + l.size() >= SIZE); |
895 |
+ |
} catch(Exception e){ |
896 |
+ |
unexpectedException(); |
897 |
+ |
} |
898 |
+ |
} |
899 |
+ |
|
900 |
+ |
/** |
901 |
+ |
* drainTo(null, n) throws NPE |
902 |
+ |
*/ |
903 |
+ |
public void testDrainToNullN() { |
904 |
+ |
PriorityBlockingQueue q = populatedQueue(SIZE); |
905 |
+ |
try { |
906 |
+ |
q.drainTo(null, 0); |
907 |
+ |
shouldThrow(); |
908 |
+ |
} catch(NullPointerException success) { |
909 |
+ |
} |
910 |
+ |
} |
911 |
+ |
|
912 |
+ |
/** |
913 |
+ |
* drainTo(this, n) throws IAE |
914 |
+ |
*/ |
915 |
+ |
public void testDrainToSelfN() { |
916 |
+ |
PriorityBlockingQueue q = populatedQueue(SIZE); |
917 |
+ |
try { |
918 |
+ |
q.drainTo(q, 0); |
919 |
+ |
shouldThrow(); |
920 |
+ |
} catch(IllegalArgumentException success) { |
921 |
+ |
} |
922 |
+ |
} |
923 |
+ |
|
924 |
+ |
/** |
925 |
+ |
* drainTo(c, n) empties first max {n, size} elements of queue into c |
926 |
+ |
*/ |
927 |
+ |
public void testDrainToN() { |
928 |
+ |
for (int i = 0; i < SIZE + 2; ++i) { |
929 |
+ |
PriorityBlockingQueue q = populatedQueue(SIZE); |
930 |
+ |
ArrayList l = new ArrayList(); |
931 |
+ |
q.drainTo(l, i); |
932 |
+ |
int k = (i < SIZE)? i : SIZE; |
933 |
+ |
assertEquals(q.size(), SIZE-k); |
934 |
+ |
assertEquals(l.size(), k); |
935 |
+ |
for (int j = 0; j < k; ++j) |
936 |
+ |
assertTrue(l.contains(new Integer(j))); |
937 |
+ |
} |
938 |
+ |
} |
939 |
+ |
|
940 |
+ |
|
941 |
|
} |