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* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
5 |
< |
* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
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* Pat Fisher, Mike Judd. |
5 |
> |
* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
> |
* Pat Fisher, Mike Judd. |
7 |
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*/ |
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|
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import junit.framework.*; |
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import java.util.*; |
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import java.util.concurrent.*; |
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+ |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import java.io.*; |
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|
15 |
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public class PriorityBlockingQueueTest extends JSR166TestCase { |
16 |
+ |
|
17 |
+ |
public static class Generic extends BlockingQueueTest { |
18 |
+ |
protected BlockingQueue emptyCollection() { |
19 |
+ |
return new PriorityBlockingQueue(); |
20 |
+ |
} |
21 |
+ |
} |
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+ |
|
23 |
+ |
public static class InitialCapacity extends BlockingQueueTest { |
24 |
+ |
protected BlockingQueue emptyCollection() { |
25 |
+ |
return new PriorityBlockingQueue(20); |
26 |
+ |
} |
27 |
+ |
} |
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|
29 |
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public static void main(String[] args) { |
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< |
junit.textui.TestRunner.run (suite()); |
30 |
> |
junit.textui.TestRunner.run(suite()); |
31 |
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} |
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|
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public static Test suite() { |
34 |
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return new TestSuite(PriorityBlockingQueueTest.class); |
34 |
> |
return newTestSuite(PriorityBlockingQueueTest.class, |
35 |
> |
new Generic().testSuite(), |
36 |
> |
new InitialCapacity().testSuite()); |
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} |
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|
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private static final int NOCAP = Integer.MAX_VALUE; |
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|
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/** Sample Comparator */ |
42 |
< |
static class MyReverseComparator implements Comparator { |
42 |
> |
static class MyReverseComparator implements Comparator { |
43 |
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public int compare(Object x, Object y) { |
44 |
< |
int i = ((Integer)x).intValue(); |
28 |
< |
int j = ((Integer)y).intValue(); |
29 |
< |
if (i < j) return 1; |
30 |
< |
if (i > j) return -1; |
31 |
< |
return 0; |
44 |
> |
return ((Comparable)y).compareTo(x); |
45 |
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} |
46 |
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} |
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|
52 |
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private PriorityBlockingQueue populatedQueue(int n) { |
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PriorityBlockingQueue q = new PriorityBlockingQueue(n); |
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assertTrue(q.isEmpty()); |
55 |
< |
for(int i = n-1; i >= 0; i-=2) |
56 |
< |
assertTrue(q.offer(new Integer(i))); |
57 |
< |
for(int i = (n & 1); i < n; i+=2) |
58 |
< |
assertTrue(q.offer(new Integer(i))); |
55 |
> |
for (int i = n-1; i >= 0; i-=2) |
56 |
> |
assertTrue(q.offer(new Integer(i))); |
57 |
> |
for (int i = (n & 1); i < n; i+=2) |
58 |
> |
assertTrue(q.offer(new Integer(i))); |
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assertFalse(q.isEmpty()); |
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assertEquals(NOCAP, q.remainingCapacity()); |
61 |
< |
assertEquals(n, q.size()); |
61 |
> |
assertEquals(n, q.size()); |
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return q; |
63 |
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} |
64 |
< |
|
64 |
> |
|
65 |
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/** |
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* A new queue has unbounded capacity |
67 |
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*/ |
70 |
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} |
71 |
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|
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/** |
73 |
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* Constructor throws IAE if capacity argument nonpositive |
73 |
> |
* Constructor throws IAE if capacity argument nonpositive |
74 |
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*/ |
75 |
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public void testConstructor2() { |
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try { |
77 |
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PriorityBlockingQueue q = new PriorityBlockingQueue(0); |
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shouldThrow(); |
79 |
< |
} |
67 |
< |
catch (IllegalArgumentException success) {} |
79 |
> |
} catch (IllegalArgumentException success) {} |
80 |
|
} |
81 |
|
|
82 |
|
/** |
86 |
|
try { |
87 |
|
PriorityBlockingQueue q = new PriorityBlockingQueue(null); |
88 |
|
shouldThrow(); |
89 |
< |
} |
78 |
< |
catch (NullPointerException success) {} |
89 |
> |
} catch (NullPointerException success) {} |
90 |
|
} |
91 |
|
|
92 |
|
/** |
97 |
|
Integer[] ints = new Integer[SIZE]; |
98 |
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PriorityBlockingQueue q = new PriorityBlockingQueue(Arrays.asList(ints)); |
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|
shouldThrow(); |
100 |
< |
} |
90 |
< |
catch (NullPointerException success) {} |
100 |
> |
} catch (NullPointerException success) {} |
101 |
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} |
102 |
|
|
103 |
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/** |
110 |
|
ints[i] = new Integer(i); |
111 |
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PriorityBlockingQueue q = new PriorityBlockingQueue(Arrays.asList(ints)); |
112 |
|
shouldThrow(); |
113 |
< |
} |
104 |
< |
catch (NullPointerException success) {} |
113 |
> |
} catch (NullPointerException success) {} |
114 |
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} |
115 |
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|
116 |
|
/** |
117 |
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* Queue contains all elements of collection used to initialize |
118 |
|
*/ |
119 |
|
public void testConstructor6() { |
120 |
< |
try { |
121 |
< |
Integer[] ints = new Integer[SIZE]; |
122 |
< |
for (int i = 0; i < SIZE; ++i) |
123 |
< |
ints[i] = new Integer(i); |
124 |
< |
PriorityBlockingQueue q = new PriorityBlockingQueue(Arrays.asList(ints)); |
125 |
< |
for (int i = 0; i < SIZE; ++i) |
117 |
< |
assertEquals(ints[i], q.poll()); |
118 |
< |
} |
119 |
< |
finally {} |
120 |
> |
Integer[] ints = new Integer[SIZE]; |
121 |
> |
for (int i = 0; i < SIZE; ++i) |
122 |
> |
ints[i] = new Integer(i); |
123 |
> |
PriorityBlockingQueue q = new PriorityBlockingQueue(Arrays.asList(ints)); |
124 |
> |
for (int i = 0; i < SIZE; ++i) |
125 |
> |
assertEquals(ints[i], q.poll()); |
126 |
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} |
127 |
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|
128 |
|
/** |
129 |
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* The comparator used in constructor is used |
130 |
|
*/ |
131 |
|
public void testConstructor7() { |
132 |
< |
try { |
133 |
< |
MyReverseComparator cmp = new MyReverseComparator(); |
134 |
< |
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE, cmp); |
135 |
< |
assertEquals(cmp, q.comparator()); |
136 |
< |
Integer[] ints = new Integer[SIZE]; |
137 |
< |
for (int i = 0; i < SIZE; ++i) |
138 |
< |
ints[i] = new Integer(i); |
139 |
< |
q.addAll(Arrays.asList(ints)); |
140 |
< |
for (int i = SIZE-1; i >= 0; --i) |
135 |
< |
assertEquals(ints[i], q.poll()); |
136 |
< |
} |
137 |
< |
finally {} |
132 |
> |
MyReverseComparator cmp = new MyReverseComparator(); |
133 |
> |
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE, cmp); |
134 |
> |
assertEquals(cmp, q.comparator()); |
135 |
> |
Integer[] ints = new Integer[SIZE]; |
136 |
> |
for (int i = 0; i < SIZE; ++i) |
137 |
> |
ints[i] = new Integer(i); |
138 |
> |
q.addAll(Arrays.asList(ints)); |
139 |
> |
for (int i = SIZE-1; i >= 0; --i) |
140 |
> |
assertEquals(ints[i], q.poll()); |
141 |
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} |
142 |
|
|
143 |
|
/** |
177 |
|
* offer(null) throws NPE |
178 |
|
*/ |
179 |
|
public void testOfferNull() { |
180 |
< |
try { |
180 |
> |
try { |
181 |
|
PriorityBlockingQueue q = new PriorityBlockingQueue(1); |
182 |
|
q.offer(null); |
183 |
|
shouldThrow(); |
184 |
< |
} catch (NullPointerException success) { } |
184 |
> |
} catch (NullPointerException success) {} |
185 |
|
} |
186 |
|
|
187 |
|
/** |
188 |
|
* add(null) throws NPE |
189 |
|
*/ |
190 |
|
public void testAddNull() { |
191 |
< |
try { |
191 |
> |
try { |
192 |
|
PriorityBlockingQueue q = new PriorityBlockingQueue(1); |
193 |
|
q.add(null); |
194 |
|
shouldThrow(); |
195 |
< |
} catch (NullPointerException success) { } |
195 |
> |
} catch (NullPointerException success) {} |
196 |
|
} |
197 |
|
|
198 |
|
/** |
214 |
|
q.offer(new Object()); |
215 |
|
q.offer(new Object()); |
216 |
|
shouldThrow(); |
217 |
< |
} |
215 |
< |
catch(ClassCastException success) {} |
217 |
> |
} catch (ClassCastException success) {} |
218 |
|
} |
219 |
|
|
220 |
|
/** |
236 |
|
PriorityBlockingQueue q = new PriorityBlockingQueue(1); |
237 |
|
q.addAll(null); |
238 |
|
shouldThrow(); |
239 |
< |
} |
238 |
< |
catch (NullPointerException success) {} |
239 |
> |
} catch (NullPointerException success) {} |
240 |
|
} |
241 |
|
|
242 |
|
/** |
247 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
248 |
|
q.addAll(q); |
249 |
|
shouldThrow(); |
250 |
< |
} |
250 |
< |
catch (IllegalArgumentException success) {} |
250 |
> |
} catch (IllegalArgumentException success) {} |
251 |
|
} |
252 |
|
|
253 |
|
/** |
259 |
|
Integer[] ints = new Integer[SIZE]; |
260 |
|
q.addAll(Arrays.asList(ints)); |
261 |
|
shouldThrow(); |
262 |
< |
} |
263 |
< |
catch (NullPointerException success) {} |
262 |
> |
} catch (NullPointerException success) {} |
263 |
|
} |
264 |
+ |
|
265 |
|
/** |
266 |
|
* addAll of a collection with any null elements throws NPE after |
267 |
|
* possibly adding some elements |
274 |
|
ints[i] = new Integer(i); |
275 |
|
q.addAll(Arrays.asList(ints)); |
276 |
|
shouldThrow(); |
277 |
< |
} |
278 |
< |
catch (NullPointerException success) {} |
277 |
> |
} catch (NullPointerException success) {} |
278 |
|
} |
279 |
|
|
280 |
|
/** |
281 |
|
* Queue contains all elements of successful addAll |
282 |
|
*/ |
283 |
|
public void testAddAll5() { |
284 |
< |
try { |
285 |
< |
Integer[] empty = new Integer[0]; |
286 |
< |
Integer[] ints = new Integer[SIZE]; |
287 |
< |
for (int i = SIZE-1; i >= 0; --i) |
288 |
< |
ints[i] = new Integer(i); |
289 |
< |
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE); |
290 |
< |
assertFalse(q.addAll(Arrays.asList(empty))); |
291 |
< |
assertTrue(q.addAll(Arrays.asList(ints))); |
292 |
< |
for (int i = 0; i < SIZE; ++i) |
294 |
< |
assertEquals(ints[i], q.poll()); |
295 |
< |
} |
296 |
< |
finally {} |
284 |
> |
Integer[] empty = new Integer[0]; |
285 |
> |
Integer[] ints = new Integer[SIZE]; |
286 |
> |
for (int i = SIZE-1; i >= 0; --i) |
287 |
> |
ints[i] = new Integer(i); |
288 |
> |
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE); |
289 |
> |
assertFalse(q.addAll(Arrays.asList(empty))); |
290 |
> |
assertTrue(q.addAll(Arrays.asList(ints))); |
291 |
> |
for (int i = 0; i < SIZE; ++i) |
292 |
> |
assertEquals(ints[i], q.poll()); |
293 |
|
} |
294 |
|
|
295 |
|
/** |
296 |
|
* put(null) throws NPE |
297 |
|
*/ |
298 |
|
public void testPutNull() { |
299 |
< |
try { |
299 |
> |
try { |
300 |
|
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE); |
301 |
|
q.put(null); |
302 |
|
shouldThrow(); |
303 |
< |
} |
308 |
< |
catch (NullPointerException success){ |
309 |
< |
} |
303 |
> |
} catch (NullPointerException success) {} |
304 |
|
} |
305 |
|
|
306 |
|
/** |
307 |
|
* all elements successfully put are contained |
308 |
|
*/ |
309 |
|
public void testPut() { |
310 |
< |
try { |
311 |
< |
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE); |
312 |
< |
for (int i = 0; i < SIZE; ++i) { |
313 |
< |
Integer I = new Integer(i); |
314 |
< |
q.put(I); |
321 |
< |
assertTrue(q.contains(I)); |
322 |
< |
} |
323 |
< |
assertEquals(SIZE, q.size()); |
310 |
> |
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE); |
311 |
> |
for (int i = 0; i < SIZE; ++i) { |
312 |
> |
Integer I = new Integer(i); |
313 |
> |
q.put(I); |
314 |
> |
assertTrue(q.contains(I)); |
315 |
|
} |
316 |
< |
finally { |
326 |
< |
} |
316 |
> |
assertEquals(SIZE, q.size()); |
317 |
|
} |
318 |
|
|
319 |
|
/** |
320 |
|
* put doesn't block waiting for take |
321 |
|
*/ |
322 |
< |
public void testPutWithTake() { |
322 |
> |
public void testPutWithTake() throws InterruptedException { |
323 |
|
final PriorityBlockingQueue q = new PriorityBlockingQueue(2); |
324 |
< |
Thread t = new Thread(new Runnable() { |
325 |
< |
public void run() { |
326 |
< |
int added = 0; |
327 |
< |
try { |
328 |
< |
q.put(new Integer(0)); |
329 |
< |
++added; |
330 |
< |
q.put(new Integer(0)); |
331 |
< |
++added; |
332 |
< |
q.put(new Integer(0)); |
333 |
< |
++added; |
334 |
< |
q.put(new Integer(0)); |
335 |
< |
++added; |
336 |
< |
threadAssertTrue(added == 4); |
347 |
< |
} finally { |
348 |
< |
} |
349 |
< |
} |
350 |
< |
}); |
351 |
< |
try { |
352 |
< |
t.start(); |
353 |
< |
Thread.sleep(SHORT_DELAY_MS); |
354 |
< |
q.take(); |
355 |
< |
t.interrupt(); |
356 |
< |
t.join(); |
357 |
< |
} catch (Exception e){ |
358 |
< |
unexpectedException(); |
359 |
< |
} |
324 |
> |
final int size = 4; |
325 |
> |
Thread t = new Thread(new CheckedRunnable() { |
326 |
> |
public void realRun() { |
327 |
> |
for (int i = 0; i < size; i++) |
328 |
> |
q.put(new Integer(0)); |
329 |
> |
}}); |
330 |
> |
|
331 |
> |
t.start(); |
332 |
> |
Thread.sleep(SHORT_DELAY_MS); |
333 |
> |
assertEquals(q.size(), size); |
334 |
> |
q.take(); |
335 |
> |
t.interrupt(); |
336 |
> |
t.join(); |
337 |
|
} |
338 |
|
|
339 |
|
/** |
340 |
|
* timed offer does not time out |
341 |
|
*/ |
342 |
< |
public void testTimedOffer() { |
342 |
> |
public void testTimedOffer() throws InterruptedException { |
343 |
|
final PriorityBlockingQueue q = new PriorityBlockingQueue(2); |
344 |
< |
Thread t = new Thread(new Runnable() { |
345 |
< |
public void run() { |
346 |
< |
try { |
347 |
< |
q.put(new Integer(0)); |
348 |
< |
q.put(new Integer(0)); |
349 |
< |
threadAssertTrue(q.offer(new Integer(0), SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
350 |
< |
threadAssertTrue(q.offer(new Integer(0), LONG_DELAY_MS, TimeUnit.MILLISECONDS)); |
374 |
< |
} finally { } |
375 |
< |
} |
376 |
< |
}); |
377 |
< |
|
378 |
< |
try { |
379 |
< |
t.start(); |
380 |
< |
Thread.sleep(SMALL_DELAY_MS); |
381 |
< |
t.interrupt(); |
382 |
< |
t.join(); |
383 |
< |
} catch (Exception e){ |
384 |
< |
unexpectedException(); |
385 |
< |
} |
386 |
< |
} |
344 |
> |
Thread t = new Thread(new CheckedRunnable() { |
345 |
> |
public void realRun() { |
346 |
> |
q.put(new Integer(0)); |
347 |
> |
q.put(new Integer(0)); |
348 |
> |
assertTrue(q.offer(new Integer(0), SHORT_DELAY_MS, MILLISECONDS)); |
349 |
> |
assertTrue(q.offer(new Integer(0), LONG_DELAY_MS, MILLISECONDS)); |
350 |
> |
}}); |
351 |
|
|
352 |
< |
/** |
353 |
< |
* take retrieves elements in priority order |
354 |
< |
*/ |
355 |
< |
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 |
< |
unexpectedException(); |
399 |
< |
} |
352 |
> |
t.start(); |
353 |
> |
Thread.sleep(SMALL_DELAY_MS); |
354 |
> |
t.interrupt(); |
355 |
> |
t.join(); |
356 |
|
} |
357 |
|
|
358 |
|
/** |
359 |
< |
* take blocks interruptibly when empty |
359 |
> |
* take retrieves elements in priority order |
360 |
|
*/ |
361 |
< |
public void testTakeFromEmpty() { |
362 |
< |
final PriorityBlockingQueue q = new PriorityBlockingQueue(2); |
363 |
< |
Thread t = new Thread(new Runnable() { |
364 |
< |
public void run() { |
409 |
< |
try { |
410 |
< |
q.take(); |
411 |
< |
threadShouldThrow(); |
412 |
< |
} catch (InterruptedException success){ } |
413 |
< |
} |
414 |
< |
}); |
415 |
< |
try { |
416 |
< |
t.start(); |
417 |
< |
Thread.sleep(SHORT_DELAY_MS); |
418 |
< |
t.interrupt(); |
419 |
< |
t.join(); |
420 |
< |
} catch (Exception e){ |
421 |
< |
unexpectedException(); |
361 |
> |
public void testTake() throws InterruptedException { |
362 |
> |
PriorityBlockingQueue q = populatedQueue(SIZE); |
363 |
> |
for (int i = 0; i < SIZE; ++i) { |
364 |
> |
assertEquals(i, q.take()); |
365 |
|
} |
366 |
|
} |
367 |
|
|
368 |
|
/** |
369 |
|
* Take removes existing elements until empty, then blocks interruptibly |
370 |
|
*/ |
371 |
< |
public void testBlockingTake() { |
372 |
< |
Thread t = new Thread(new Runnable() { |
373 |
< |
public void run() { |
374 |
< |
try { |
375 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
376 |
< |
for (int i = 0; i < SIZE; ++i) { |
377 |
< |
threadAssertEquals(i, ((Integer)q.take()).intValue()); |
378 |
< |
} |
379 |
< |
q.take(); |
380 |
< |
threadShouldThrow(); |
381 |
< |
} catch (InterruptedException success){ |
382 |
< |
} |
383 |
< |
}}); |
371 |
> |
public void testBlockingTake() throws InterruptedException { |
372 |
> |
final PriorityBlockingQueue q = populatedQueue(SIZE); |
373 |
> |
Thread t = new Thread(new CheckedRunnable() { |
374 |
> |
public void realRun() throws InterruptedException { |
375 |
> |
for (int i = 0; i < SIZE; ++i) { |
376 |
> |
assertEquals(i, q.take()); |
377 |
> |
} |
378 |
> |
try { |
379 |
> |
q.take(); |
380 |
> |
shouldThrow(); |
381 |
> |
} catch (InterruptedException success) {} |
382 |
> |
}}); |
383 |
> |
|
384 |
|
t.start(); |
385 |
< |
try { |
386 |
< |
Thread.sleep(SHORT_DELAY_MS); |
387 |
< |
t.interrupt(); |
445 |
< |
t.join(); |
446 |
< |
} |
447 |
< |
catch (InterruptedException ie) { |
448 |
< |
unexpectedException(); |
449 |
< |
} |
385 |
> |
Thread.sleep(SHORT_DELAY_MS); |
386 |
> |
t.interrupt(); |
387 |
> |
t.join(); |
388 |
|
} |
389 |
|
|
390 |
|
|
394 |
|
public void testPoll() { |
395 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
396 |
|
for (int i = 0; i < SIZE; ++i) { |
397 |
< |
assertEquals(i, ((Integer)q.poll()).intValue()); |
397 |
> |
assertEquals(i, q.poll()); |
398 |
|
} |
399 |
< |
assertNull(q.poll()); |
399 |
> |
assertNull(q.poll()); |
400 |
|
} |
401 |
|
|
402 |
|
/** |
403 |
|
* timed pool with zero timeout succeeds when non-empty, else times out |
404 |
|
*/ |
405 |
< |
public void testTimedPoll0() { |
406 |
< |
try { |
407 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
408 |
< |
for (int i = 0; i < SIZE; ++i) { |
409 |
< |
assertEquals(i, ((Integer)q.poll(0, TimeUnit.MILLISECONDS)).intValue()); |
410 |
< |
} |
473 |
< |
assertNull(q.poll(0, TimeUnit.MILLISECONDS)); |
474 |
< |
} catch (InterruptedException e){ |
475 |
< |
unexpectedException(); |
476 |
< |
} |
405 |
> |
public void testTimedPoll0() throws InterruptedException { |
406 |
> |
PriorityBlockingQueue q = populatedQueue(SIZE); |
407 |
> |
for (int i = 0; i < SIZE; ++i) { |
408 |
> |
assertEquals(i, q.poll(0, MILLISECONDS)); |
409 |
> |
} |
410 |
> |
assertNull(q.poll(0, MILLISECONDS)); |
411 |
|
} |
412 |
|
|
413 |
|
/** |
414 |
|
* timed pool with nonzero timeout succeeds when non-empty, else times out |
415 |
|
*/ |
416 |
< |
public void testTimedPoll() { |
417 |
< |
try { |
418 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
419 |
< |
for (int i = 0; i < SIZE; ++i) { |
420 |
< |
assertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)).intValue()); |
421 |
< |
} |
488 |
< |
assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
489 |
< |
} catch (InterruptedException e){ |
490 |
< |
unexpectedException(); |
491 |
< |
} |
416 |
> |
public void testTimedPoll() throws InterruptedException { |
417 |
> |
PriorityBlockingQueue q = populatedQueue(SIZE); |
418 |
> |
for (int i = 0; i < SIZE; ++i) { |
419 |
> |
assertEquals(i, q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
420 |
> |
} |
421 |
> |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
422 |
|
} |
423 |
|
|
424 |
|
/** |
425 |
|
* Interrupted timed poll throws InterruptedException instead of |
426 |
|
* returning timeout status |
427 |
|
*/ |
428 |
< |
public void testInterruptedTimedPoll() { |
429 |
< |
Thread t = new Thread(new Runnable() { |
430 |
< |
public void run() { |
431 |
< |
try { |
432 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
433 |
< |
for (int i = 0; i < SIZE; ++i) { |
504 |
< |
threadAssertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)).intValue()); |
505 |
< |
} |
506 |
< |
threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
507 |
< |
} catch (InterruptedException success){ |
508 |
< |
} |
509 |
< |
}}); |
510 |
< |
t.start(); |
511 |
< |
try { |
512 |
< |
Thread.sleep(SHORT_DELAY_MS); |
513 |
< |
t.interrupt(); |
514 |
< |
t.join(); |
515 |
< |
} |
516 |
< |
catch (InterruptedException ie) { |
517 |
< |
unexpectedException(); |
518 |
< |
} |
519 |
< |
} |
520 |
< |
|
521 |
< |
/** |
522 |
< |
* timed poll before a delayed offer fails; after offer succeeds; |
523 |
< |
* on interruption throws |
524 |
< |
*/ |
525 |
< |
public void testTimedPollWithOffer() { |
526 |
< |
final PriorityBlockingQueue q = new PriorityBlockingQueue(2); |
527 |
< |
Thread t = new Thread(new Runnable() { |
528 |
< |
public void run() { |
529 |
< |
try { |
530 |
< |
threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
531 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
532 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
533 |
< |
threadShouldThrow(); |
534 |
< |
} catch (InterruptedException success) { } |
428 |
> |
public void testInterruptedTimedPoll() throws InterruptedException { |
429 |
> |
Thread t = new Thread(new CheckedRunnable() { |
430 |
> |
public void realRun() throws InterruptedException { |
431 |
> |
PriorityBlockingQueue q = populatedQueue(SIZE); |
432 |
> |
for (int i = 0; i < SIZE; ++i) { |
433 |
> |
assertEquals(i, q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
434 |
|
} |
435 |
< |
}); |
436 |
< |
try { |
437 |
< |
t.start(); |
438 |
< |
Thread.sleep(SMALL_DELAY_MS); |
439 |
< |
assertTrue(q.offer(new Integer(0), SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
541 |
< |
t.interrupt(); |
542 |
< |
t.join(); |
543 |
< |
} catch (Exception e){ |
544 |
< |
unexpectedException(); |
545 |
< |
} |
546 |
< |
} |
435 |
> |
try { |
436 |
> |
q.poll(SMALL_DELAY_MS, MILLISECONDS); |
437 |
> |
shouldThrow(); |
438 |
> |
} catch (InterruptedException success) {} |
439 |
> |
}}); |
440 |
|
|
441 |
+ |
t.start(); |
442 |
+ |
Thread.sleep(SHORT_DELAY_MS); |
443 |
+ |
t.interrupt(); |
444 |
+ |
t.join(); |
445 |
+ |
} |
446 |
|
|
447 |
|
/** |
448 |
|
* peek returns next element, or null if empty |
450 |
|
public void testPeek() { |
451 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
452 |
|
for (int i = 0; i < SIZE; ++i) { |
453 |
< |
assertEquals(i, ((Integer)q.peek()).intValue()); |
454 |
< |
q.poll(); |
453 |
> |
assertEquals(i, q.peek()); |
454 |
> |
assertEquals(i, q.poll()); |
455 |
|
assertTrue(q.peek() == null || |
456 |
< |
i != ((Integer)q.peek()).intValue()); |
456 |
> |
!q.peek().equals(i)); |
457 |
|
} |
458 |
< |
assertNull(q.peek()); |
458 |
> |
assertNull(q.peek()); |
459 |
|
} |
460 |
|
|
461 |
|
/** |
464 |
|
public void testElement() { |
465 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
466 |
|
for (int i = 0; i < SIZE; ++i) { |
467 |
< |
assertEquals(i, ((Integer)q.element()).intValue()); |
468 |
< |
q.poll(); |
467 |
> |
assertEquals(i, q.element()); |
468 |
> |
assertEquals(i, q.poll()); |
469 |
|
} |
470 |
|
try { |
471 |
|
q.element(); |
472 |
|
shouldThrow(); |
473 |
< |
} |
576 |
< |
catch (NoSuchElementException success) {} |
473 |
> |
} catch (NoSuchElementException success) {} |
474 |
|
} |
475 |
|
|
476 |
|
/** |
479 |
|
public void testRemove() { |
480 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
481 |
|
for (int i = 0; i < SIZE; ++i) { |
482 |
< |
assertEquals(i, ((Integer)q.remove()).intValue()); |
482 |
> |
assertEquals(i, q.remove()); |
483 |
|
} |
484 |
|
try { |
485 |
|
q.remove(); |
486 |
|
shouldThrow(); |
487 |
< |
} catch (NoSuchElementException success){ |
591 |
< |
} |
487 |
> |
} catch (NoSuchElementException success) {} |
488 |
|
} |
489 |
|
|
490 |
|
/** |
501 |
|
} |
502 |
|
assertTrue(q.isEmpty()); |
503 |
|
} |
504 |
< |
|
504 |
> |
|
505 |
|
/** |
506 |
|
* contains(x) reports true when elements added but not yet removed |
507 |
|
*/ |
522 |
|
q.clear(); |
523 |
|
assertTrue(q.isEmpty()); |
524 |
|
assertEquals(0, q.size()); |
525 |
< |
assertEquals(NOCAP, q.remainingCapacity()); |
630 |
< |
q.add(new Integer(1)); |
525 |
> |
q.add(one); |
526 |
|
assertFalse(q.isEmpty()); |
527 |
+ |
assertTrue(q.contains(one)); |
528 |
|
q.clear(); |
529 |
|
assertTrue(q.isEmpty()); |
530 |
|
} |
579 |
|
} |
580 |
|
|
581 |
|
/** |
582 |
< |
* toArray contains all elements |
582 |
> |
* toArray contains all elements |
583 |
|
*/ |
584 |
< |
public void testToArray() { |
584 |
> |
public void testToArray() throws InterruptedException { |
585 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
586 |
< |
Object[] o = q.toArray(); |
586 |
> |
Object[] o = q.toArray(); |
587 |
|
Arrays.sort(o); |
588 |
< |
try { |
589 |
< |
for(int i = 0; i < o.length; i++) |
694 |
< |
assertEquals(o[i], q.take()); |
695 |
< |
} catch (InterruptedException e){ |
696 |
< |
unexpectedException(); |
697 |
< |
} |
588 |
> |
for (int i = 0; i < o.length; i++) |
589 |
> |
assertEquals(o[i], q.take()); |
590 |
|
} |
591 |
|
|
592 |
|
/** |
593 |
|
* toArray(a) contains all elements |
594 |
|
*/ |
595 |
< |
public void testToArray2() { |
595 |
> |
public void testToArray2() throws InterruptedException { |
596 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
597 |
< |
Integer[] ints = new Integer[SIZE]; |
598 |
< |
ints = (Integer[])q.toArray(ints); |
597 |
> |
Integer[] ints = new Integer[SIZE]; |
598 |
> |
ints = (Integer[])q.toArray(ints); |
599 |
|
Arrays.sort(ints); |
600 |
< |
try { |
601 |
< |
for(int i = 0; i < ints.length; i++) |
710 |
< |
assertEquals(ints[i], q.take()); |
711 |
< |
} catch (InterruptedException e){ |
712 |
< |
unexpectedException(); |
713 |
< |
} |
600 |
> |
for (int i = 0; i < ints.length; i++) |
601 |
> |
assertEquals(ints[i], q.take()); |
602 |
|
} |
603 |
|
|
604 |
|
/** |
605 |
|
* toArray(null) throws NPE |
606 |
|
*/ |
607 |
|
public void testToArray_BadArg() { |
608 |
< |
try { |
609 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
610 |
< |
Object o[] = q.toArray(null); |
611 |
< |
shouldThrow(); |
612 |
< |
} catch(NullPointerException success){} |
608 |
> |
PriorityBlockingQueue q = populatedQueue(SIZE); |
609 |
> |
try { |
610 |
> |
Object o[] = q.toArray(null); |
611 |
> |
shouldThrow(); |
612 |
> |
} catch (NullPointerException success) {} |
613 |
|
} |
614 |
|
|
615 |
|
/** |
616 |
|
* toArray with incompatible array type throws CCE |
617 |
|
*/ |
618 |
|
public void testToArray1_BadArg() { |
619 |
< |
try { |
620 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
621 |
< |
Object o[] = q.toArray(new String[10] ); |
622 |
< |
shouldThrow(); |
623 |
< |
} catch(ArrayStoreException success){} |
619 |
> |
PriorityBlockingQueue q = populatedQueue(SIZE); |
620 |
> |
try { |
621 |
> |
Object o[] = q.toArray(new String[10]); |
622 |
> |
shouldThrow(); |
623 |
> |
} catch (ArrayStoreException success) {} |
624 |
|
} |
625 |
< |
|
625 |
> |
|
626 |
|
/** |
627 |
|
* iterator iterates through all elements |
628 |
|
*/ |
629 |
|
public void testIterator() { |
630 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
631 |
|
int i = 0; |
632 |
< |
Iterator it = q.iterator(); |
633 |
< |
while(it.hasNext()) { |
632 |
> |
Iterator it = q.iterator(); |
633 |
> |
while (it.hasNext()) { |
634 |
|
assertTrue(q.contains(it.next())); |
635 |
|
++i; |
636 |
|
} |
640 |
|
/** |
641 |
|
* iterator.remove removes current element |
642 |
|
*/ |
643 |
< |
public void testIteratorRemove () { |
643 |
> |
public void testIteratorRemove() { |
644 |
|
final PriorityBlockingQueue q = new PriorityBlockingQueue(3); |
645 |
|
q.add(new Integer(2)); |
646 |
|
q.add(new Integer(1)); |
666 |
|
for (int i = 0; i < SIZE; ++i) { |
667 |
|
assertTrue(s.indexOf(String.valueOf(i)) >= 0); |
668 |
|
} |
669 |
< |
} |
669 |
> |
} |
670 |
|
|
671 |
|
/** |
672 |
|
* offer transfers elements across Executor tasks |
674 |
|
public void testPollInExecutor() { |
675 |
|
final PriorityBlockingQueue q = new PriorityBlockingQueue(2); |
676 |
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
677 |
< |
executor.execute(new Runnable() { |
678 |
< |
public void run() { |
679 |
< |
threadAssertNull(q.poll()); |
680 |
< |
try { |
681 |
< |
threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS)); |
682 |
< |
threadAssertTrue(q.isEmpty()); |
683 |
< |
} |
684 |
< |
catch (InterruptedException e) { |
685 |
< |
threadUnexpectedException(); |
686 |
< |
} |
687 |
< |
} |
688 |
< |
}); |
677 |
> |
executor.execute(new CheckedRunnable() { |
678 |
> |
public void realRun() throws InterruptedException { |
679 |
> |
assertNull(q.poll()); |
680 |
> |
assertSame(one, q.poll(MEDIUM_DELAY_MS, MILLISECONDS)); |
681 |
> |
assertTrue(q.isEmpty()); |
682 |
> |
}}); |
683 |
> |
|
684 |
> |
executor.execute(new CheckedRunnable() { |
685 |
> |
public void realRun() throws InterruptedException { |
686 |
> |
Thread.sleep(SMALL_DELAY_MS); |
687 |
> |
q.put(one); |
688 |
> |
}}); |
689 |
|
|
802 |
– |
executor.execute(new Runnable() { |
803 |
– |
public void run() { |
804 |
– |
try { |
805 |
– |
Thread.sleep(SMALL_DELAY_MS); |
806 |
– |
q.put(new Integer(1)); |
807 |
– |
} |
808 |
– |
catch (InterruptedException e) { |
809 |
– |
threadUnexpectedException(); |
810 |
– |
} |
811 |
– |
} |
812 |
– |
}); |
813 |
– |
|
690 |
|
joinPool(executor); |
691 |
|
} |
692 |
|
|
693 |
|
/** |
694 |
< |
* A deserialized serialized queue has same elements |
694 |
> |
* A deserialized serialized queue has same elements |
695 |
|
*/ |
696 |
< |
public void testSerialization() { |
696 |
> |
public void testSerialization() throws Exception { |
697 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
698 |
< |
try { |
699 |
< |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
700 |
< |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
701 |
< |
out.writeObject(q); |
702 |
< |
out.close(); |
703 |
< |
|
704 |
< |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
705 |
< |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
706 |
< |
PriorityBlockingQueue r = (PriorityBlockingQueue)in.readObject(); |
707 |
< |
assertEquals(q.size(), r.size()); |
708 |
< |
while (!q.isEmpty()) |
833 |
< |
assertEquals(q.remove(), r.remove()); |
834 |
< |
} catch(Exception e){ |
835 |
< |
unexpectedException(); |
836 |
< |
} |
698 |
> |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
699 |
> |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
700 |
> |
out.writeObject(q); |
701 |
> |
out.close(); |
702 |
> |
|
703 |
> |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
704 |
> |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
705 |
> |
PriorityBlockingQueue r = (PriorityBlockingQueue)in.readObject(); |
706 |
> |
assertEquals(q.size(), r.size()); |
707 |
> |
while (!q.isEmpty()) |
708 |
> |
assertEquals(q.remove(), r.remove()); |
709 |
|
} |
710 |
|
|
711 |
|
/** |
712 |
|
* drainTo(null) throws NPE |
713 |
< |
*/ |
713 |
> |
*/ |
714 |
|
public void testDrainToNull() { |
715 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
716 |
|
try { |
717 |
|
q.drainTo(null); |
718 |
|
shouldThrow(); |
719 |
< |
} catch(NullPointerException success) { |
848 |
< |
} |
719 |
> |
} catch (NullPointerException success) {} |
720 |
|
} |
721 |
|
|
722 |
|
/** |
723 |
|
* drainTo(this) throws IAE |
724 |
< |
*/ |
724 |
> |
*/ |
725 |
|
public void testDrainToSelf() { |
726 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
727 |
|
try { |
728 |
|
q.drainTo(q); |
729 |
|
shouldThrow(); |
730 |
< |
} catch(IllegalArgumentException success) { |
860 |
< |
} |
730 |
> |
} catch (IllegalArgumentException success) {} |
731 |
|
} |
732 |
|
|
733 |
|
/** |
734 |
|
* drainTo(c) empties queue into another collection c |
735 |
< |
*/ |
735 |
> |
*/ |
736 |
|
public void testDrainTo() { |
737 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
738 |
|
ArrayList l = new ArrayList(); |
739 |
|
q.drainTo(l); |
740 |
|
assertEquals(q.size(), 0); |
741 |
|
assertEquals(l.size(), SIZE); |
742 |
< |
for (int i = 0; i < SIZE; ++i) |
742 |
> |
for (int i = 0; i < SIZE; ++i) |
743 |
> |
assertEquals(l.get(i), new Integer(i)); |
744 |
> |
q.add(zero); |
745 |
> |
q.add(one); |
746 |
> |
assertFalse(q.isEmpty()); |
747 |
> |
assertTrue(q.contains(zero)); |
748 |
> |
assertTrue(q.contains(one)); |
749 |
> |
l.clear(); |
750 |
> |
q.drainTo(l); |
751 |
> |
assertEquals(q.size(), 0); |
752 |
> |
assertEquals(l.size(), 2); |
753 |
> |
for (int i = 0; i < 2; ++i) |
754 |
|
assertEquals(l.get(i), new Integer(i)); |
755 |
|
} |
756 |
|
|
757 |
|
/** |
758 |
|
* drainTo empties queue |
759 |
< |
*/ |
760 |
< |
public void testDrainToWithActivePut() { |
759 |
> |
*/ |
760 |
> |
public void testDrainToWithActivePut() throws InterruptedException { |
761 |
|
final PriorityBlockingQueue q = populatedQueue(SIZE); |
762 |
< |
Thread t = new Thread(new Runnable() { |
763 |
< |
public void run() { |
764 |
< |
q.put(new Integer(SIZE+1)); |
765 |
< |
} |
766 |
< |
}); |
767 |
< |
try { |
768 |
< |
t.start(); |
769 |
< |
ArrayList l = new ArrayList(); |
770 |
< |
q.drainTo(l); |
771 |
< |
assertTrue(l.size() >= SIZE); |
772 |
< |
for (int i = 0; i < SIZE; ++i) |
773 |
< |
assertEquals(l.get(i), new Integer(i)); |
774 |
< |
t.join(); |
894 |
< |
assertTrue(q.size() + l.size() >= SIZE); |
895 |
< |
} catch(Exception e){ |
896 |
< |
unexpectedException(); |
897 |
< |
} |
762 |
> |
Thread t = new Thread(new CheckedRunnable() { |
763 |
> |
public void realRun() { |
764 |
> |
q.put(new Integer(SIZE+1)); |
765 |
> |
}}); |
766 |
> |
|
767 |
> |
t.start(); |
768 |
> |
ArrayList l = new ArrayList(); |
769 |
> |
q.drainTo(l); |
770 |
> |
assertTrue(l.size() >= SIZE); |
771 |
> |
for (int i = 0; i < SIZE; ++i) |
772 |
> |
assertEquals(l.get(i), new Integer(i)); |
773 |
> |
t.join(); |
774 |
> |
assertTrue(q.size() + l.size() >= SIZE); |
775 |
|
} |
776 |
|
|
777 |
|
/** |
778 |
|
* drainTo(null, n) throws NPE |
779 |
< |
*/ |
779 |
> |
*/ |
780 |
|
public void testDrainToNullN() { |
781 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
782 |
|
try { |
783 |
|
q.drainTo(null, 0); |
784 |
|
shouldThrow(); |
785 |
< |
} catch(NullPointerException success) { |
909 |
< |
} |
785 |
> |
} catch (NullPointerException success) {} |
786 |
|
} |
787 |
|
|
788 |
|
/** |
789 |
|
* drainTo(this, n) throws IAE |
790 |
< |
*/ |
790 |
> |
*/ |
791 |
|
public void testDrainToSelfN() { |
792 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
793 |
|
try { |
794 |
|
q.drainTo(q, 0); |
795 |
|
shouldThrow(); |
796 |
< |
} catch(IllegalArgumentException success) { |
921 |
< |
} |
796 |
> |
} catch (IllegalArgumentException success) {} |
797 |
|
} |
798 |
|
|
799 |
|
/** |
800 |
< |
* drainTo(c, n) empties first max {n, size} elements of queue into c |
801 |
< |
*/ |
800 |
> |
* drainTo(c, n) empties first min(n, size) elements of queue into c |
801 |
> |
*/ |
802 |
|
public void testDrainToN() { |
803 |
+ |
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE*2); |
804 |
|
for (int i = 0; i < SIZE + 2; ++i) { |
805 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
805 |
> |
for (int j = 0; j < SIZE; j++) |
806 |
> |
assertTrue(q.offer(new Integer(j))); |
807 |
|
ArrayList l = new ArrayList(); |
808 |
|
q.drainTo(l, i); |
809 |
< |
int k = (i < SIZE)? i : SIZE; |
933 |
< |
assertEquals(q.size(), SIZE-k); |
809 |
> |
int k = (i < SIZE) ? i : SIZE; |
810 |
|
assertEquals(l.size(), k); |
811 |
< |
for (int j = 0; j < k; ++j) |
812 |
< |
assertTrue(l.contains(new Integer(j))); |
811 |
> |
assertEquals(q.size(), SIZE-k); |
812 |
> |
for (int j = 0; j < k; ++j) |
813 |
> |
assertEquals(l.get(j), new Integer(j)); |
814 |
> |
while (q.poll() != null) ; |
815 |
|
} |
816 |
|
} |
817 |
|
|
940 |
– |
|
818 |
|
} |