37 |
|
boolean fair = randomBoolean(); |
38 |
|
return populatedQueue(0, SIZE, 2 * SIZE, fair); |
39 |
|
} |
40 |
< |
public Object makeElement(int i) { return i; } |
40 |
> |
public Object makeElement(int i) { return JSR166TestCase.itemFor(i); } |
41 |
|
public boolean isConcurrent() { return true; } |
42 |
|
public boolean permitsNulls() { return false; } |
43 |
|
} |
50 |
|
} |
51 |
|
|
52 |
|
public static class Fair extends BlockingQueueTest { |
53 |
< |
protected BlockingQueue emptyCollection() { |
53 |
> |
protected BlockingQueue<Item> emptyCollection() { |
54 |
|
return populatedQueue(0, SIZE, 2 * SIZE, true); |
55 |
|
} |
56 |
|
} |
57 |
|
|
58 |
|
public static class NonFair extends BlockingQueueTest { |
59 |
< |
protected BlockingQueue emptyCollection() { |
59 |
> |
protected BlockingQueue<Item> emptyCollection() { |
60 |
|
return populatedQueue(0, SIZE, 2 * SIZE, false); |
61 |
|
} |
62 |
|
} |
63 |
|
|
64 |
|
/** |
65 |
|
* Returns a new queue of given size containing consecutive |
66 |
< |
* Integers 0 ... n - 1. |
66 |
> |
* Items 0 ... n - 1. |
67 |
|
*/ |
68 |
< |
static ArrayBlockingQueue<Integer> populatedQueue(int n) { |
68 |
> |
static ArrayBlockingQueue<Item> populatedQueue(int n) { |
69 |
|
return populatedQueue(n, n, n, false); |
70 |
|
} |
71 |
|
|
72 |
|
/** |
73 |
|
* Returns a new queue of given size containing consecutive |
74 |
< |
* Integers 0 ... n - 1, with given capacity range and fairness. |
74 |
> |
* Items 0 ... n - 1, with given capacity range and fairness. |
75 |
|
*/ |
76 |
< |
static ArrayBlockingQueue<Integer> populatedQueue( |
76 |
> |
static ArrayBlockingQueue<Item> populatedQueue( |
77 |
|
int size, int minCapacity, int maxCapacity, boolean fair) { |
78 |
|
ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
79 |
|
int capacity = rnd.nextInt(minCapacity, maxCapacity + 1); |
80 |
< |
ArrayBlockingQueue<Integer> q = new ArrayBlockingQueue<>(capacity); |
80 |
> |
ArrayBlockingQueue<Item> q = new ArrayBlockingQueue<>(capacity); |
81 |
|
assertTrue(q.isEmpty()); |
82 |
|
// shuffle circular array elements so they wrap |
83 |
|
{ |
84 |
|
int n = rnd.nextInt(capacity); |
85 |
< |
for (int i = 0; i < n; i++) q.add(42); |
85 |
> |
for (int i = 0; i < n; i++) q.add(fortytwo); |
86 |
|
for (int i = 0; i < n; i++) q.remove(); |
87 |
|
} |
88 |
|
for (int i = 0; i < size; i++) |
89 |
< |
assertTrue(q.offer((Integer) i)); |
90 |
< |
assertEquals(size == 0, q.isEmpty()); |
91 |
< |
assertEquals(capacity - size, q.remainingCapacity()); |
92 |
< |
assertEquals(size, q.size()); |
89 |
> |
mustOffer(q, i); |
90 |
> |
mustEqual(size == 0, q.isEmpty()); |
91 |
> |
mustEqual(capacity - size, q.remainingCapacity()); |
92 |
> |
mustEqual(size, q.size()); |
93 |
|
if (size > 0) |
94 |
< |
assertEquals((Integer) 0, q.peek()); |
94 |
> |
mustEqual(0, q.peek()); |
95 |
|
return q; |
96 |
|
} |
97 |
|
|
99 |
|
* A new queue has the indicated capacity |
100 |
|
*/ |
101 |
|
public void testConstructor1() { |
102 |
< |
assertEquals(SIZE, new ArrayBlockingQueue(SIZE).remainingCapacity()); |
102 |
> |
mustEqual(SIZE, new ArrayBlockingQueue<Item>(SIZE).remainingCapacity()); |
103 |
|
} |
104 |
|
|
105 |
|
/** |
108 |
|
public void testConstructor_nonPositiveCapacity() { |
109 |
|
for (int i : new int[] { 0, -1, Integer.MIN_VALUE }) { |
110 |
|
try { |
111 |
< |
new ArrayBlockingQueue(i); |
111 |
> |
new ArrayBlockingQueue<Item>(i); |
112 |
|
shouldThrow(); |
113 |
|
} catch (IllegalArgumentException success) {} |
114 |
|
for (boolean fair : new boolean[] { true, false }) { |
115 |
|
try { |
116 |
< |
new ArrayBlockingQueue(i, fair); |
116 |
> |
new ArrayBlockingQueue<Item>(i, fair); |
117 |
|
shouldThrow(); |
118 |
|
} catch (IllegalArgumentException success) {} |
119 |
|
} |
125 |
|
*/ |
126 |
|
public void testConstructor_nullCollection() { |
127 |
|
try { |
128 |
< |
new ArrayBlockingQueue(1, true, null); |
128 |
> |
new ArrayBlockingQueue<Item>(1, true, null); |
129 |
|
shouldThrow(); |
130 |
|
} catch (NullPointerException success) {} |
131 |
|
} |
134 |
|
* Initializing from Collection of null elements throws NPE |
135 |
|
*/ |
136 |
|
public void testConstructor4() { |
137 |
< |
Collection<Integer> elements = Arrays.asList(new Integer[SIZE]); |
137 |
> |
Collection<Item> elements = Arrays.asList(new Item[SIZE]); |
138 |
|
try { |
139 |
< |
new ArrayBlockingQueue(SIZE, false, elements); |
139 |
> |
new ArrayBlockingQueue<Item>(SIZE, false, elements); |
140 |
|
shouldThrow(); |
141 |
|
} catch (NullPointerException success) {} |
142 |
|
} |
145 |
|
* Initializing from Collection with some null elements throws NPE |
146 |
|
*/ |
147 |
|
public void testConstructor5() { |
148 |
< |
Integer[] ints = new Integer[SIZE]; |
149 |
< |
for (int i = 0; i < SIZE - 1; ++i) |
150 |
< |
ints[i] = i; |
151 |
< |
Collection<Integer> elements = Arrays.asList(ints); |
148 |
> |
Item[] items = new Item[2]; items[0] = zero; |
149 |
> |
Collection<Item> elements = Arrays.asList(items); |
150 |
|
try { |
151 |
< |
new ArrayBlockingQueue(SIZE, false, elements); |
151 |
> |
new ArrayBlockingQueue<Item>(SIZE, false, elements); |
152 |
|
shouldThrow(); |
153 |
|
} catch (NullPointerException success) {} |
154 |
|
} |
158 |
|
*/ |
159 |
|
public void testConstructor_collectionTooLarge() { |
160 |
|
// just barely fits - succeeds |
161 |
< |
new ArrayBlockingQueue(SIZE, false, |
162 |
< |
Collections.nCopies(SIZE, "")); |
161 |
> |
new ArrayBlockingQueue<Object>(SIZE, false, |
162 |
> |
Collections.nCopies(SIZE, "")); |
163 |
|
try { |
164 |
< |
new ArrayBlockingQueue(SIZE - 1, false, |
164 |
> |
new ArrayBlockingQueue<Object>(SIZE - 1, false, |
165 |
|
Collections.nCopies(SIZE, "")); |
166 |
|
shouldThrow(); |
167 |
|
} catch (IllegalArgumentException success) {} |
171 |
|
* Queue contains all elements of collection used to initialize |
172 |
|
*/ |
173 |
|
public void testConstructor7() { |
174 |
< |
Integer[] ints = new Integer[SIZE]; |
174 |
> |
Item[] items = defaultItems; |
175 |
> |
Collection<Item> elements = Arrays.asList(items); |
176 |
> |
ArrayBlockingQueue<Item> q = new ArrayBlockingQueue<Item>(SIZE, true, elements); |
177 |
|
for (int i = 0; i < SIZE; ++i) |
178 |
< |
ints[i] = i; |
179 |
< |
Collection<Integer> elements = Arrays.asList(ints); |
180 |
< |
ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE, true, elements); |
181 |
< |
for (int i = 0; i < SIZE; ++i) |
182 |
< |
assertEquals(ints[i], q.poll()); |
178 |
> |
mustEqual(items[i], q.poll()); |
179 |
|
} |
180 |
|
|
181 |
|
/** |
182 |
|
* Queue transitions from empty to full when elements added |
183 |
|
*/ |
184 |
|
public void testEmptyFull() { |
185 |
< |
BlockingQueue q = populatedQueue(0, 2, 2, false); |
185 |
> |
BlockingQueue<Item> q = populatedQueue(0, 2, 2, false); |
186 |
|
assertTrue(q.isEmpty()); |
187 |
< |
assertEquals(2, q.remainingCapacity()); |
187 |
> |
mustEqual(2, q.remainingCapacity()); |
188 |
|
q.add(one); |
189 |
|
assertFalse(q.isEmpty()); |
190 |
|
assertTrue(q.offer(two)); |
191 |
|
assertFalse(q.isEmpty()); |
192 |
< |
assertEquals(0, q.remainingCapacity()); |
192 |
> |
mustEqual(0, q.remainingCapacity()); |
193 |
|
assertFalse(q.offer(three)); |
194 |
|
} |
195 |
|
|
198 |
|
*/ |
199 |
|
public void testRemainingCapacity() { |
200 |
|
int size = ThreadLocalRandom.current().nextInt(1, SIZE); |
201 |
< |
BlockingQueue q = populatedQueue(size, size, 2 * size, false); |
201 |
> |
BlockingQueue<Item> q = populatedQueue(size, size, 2 * size, false); |
202 |
|
int spare = q.remainingCapacity(); |
203 |
|
int capacity = spare + size; |
204 |
|
for (int i = 0; i < size; i++) { |
205 |
< |
assertEquals(spare + i, q.remainingCapacity()); |
206 |
< |
assertEquals(capacity, q.size() + q.remainingCapacity()); |
207 |
< |
assertEquals(i, q.remove()); |
205 |
> |
mustEqual(spare + i, q.remainingCapacity()); |
206 |
> |
mustEqual(capacity, q.size() + q.remainingCapacity()); |
207 |
> |
mustEqual(i, q.remove()); |
208 |
|
} |
209 |
|
for (int i = 0; i < size; i++) { |
210 |
< |
assertEquals(capacity - i, q.remainingCapacity()); |
211 |
< |
assertEquals(capacity, q.size() + q.remainingCapacity()); |
212 |
< |
assertTrue(q.add(i)); |
210 |
> |
mustEqual(capacity - i, q.remainingCapacity()); |
211 |
> |
mustEqual(capacity, q.size() + q.remainingCapacity()); |
212 |
> |
mustAdd(q, i); |
213 |
|
} |
214 |
|
} |
215 |
|
|
217 |
|
* Offer succeeds if not full; fails if full |
218 |
|
*/ |
219 |
|
public void testOffer() { |
220 |
< |
ArrayBlockingQueue q = new ArrayBlockingQueue(1); |
220 |
> |
ArrayBlockingQueue<Item> q = new ArrayBlockingQueue<Item>(1); |
221 |
|
assertTrue(q.offer(zero)); |
222 |
|
assertFalse(q.offer(one)); |
223 |
|
} |
226 |
|
* add succeeds if not full; throws IllegalStateException if full |
227 |
|
*/ |
228 |
|
public void testAdd() { |
229 |
< |
ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
230 |
< |
for (int i = 0; i < SIZE; i++) assertTrue(q.add((Integer) i)); |
231 |
< |
assertEquals(0, q.remainingCapacity()); |
229 |
> |
ArrayBlockingQueue<Item> q = new ArrayBlockingQueue<Item>(SIZE); |
230 |
> |
for (int i = 0; i < SIZE; i++) assertTrue(q.add(itemFor(i))); |
231 |
> |
mustEqual(0, q.remainingCapacity()); |
232 |
|
try { |
233 |
< |
q.add((Integer) SIZE); |
233 |
> |
q.add(itemFor(SIZE)); |
234 |
|
shouldThrow(); |
235 |
|
} catch (IllegalStateException success) {} |
236 |
|
} |
239 |
|
* addAll(this) throws IllegalArgumentException |
240 |
|
*/ |
241 |
|
public void testAddAllSelf() { |
242 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
242 |
> |
ArrayBlockingQueue<Item> q = populatedQueue(SIZE); |
243 |
|
try { |
244 |
|
q.addAll(q); |
245 |
|
shouldThrow(); |
251 |
|
* possibly adding some elements |
252 |
|
*/ |
253 |
|
public void testAddAll3() { |
254 |
< |
ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
255 |
< |
Integer[] ints = new Integer[SIZE]; |
260 |
< |
for (int i = 0; i < SIZE - 1; ++i) |
261 |
< |
ints[i] = new Integer(i); |
254 |
> |
ArrayBlockingQueue<Item> q = new ArrayBlockingQueue<Item>(SIZE); |
255 |
> |
Item[] items = new Item[2]; items[0] = zero; |
256 |
|
try { |
257 |
< |
q.addAll(Arrays.asList(ints)); |
257 |
> |
q.addAll(Arrays.asList(items)); |
258 |
|
shouldThrow(); |
259 |
|
} catch (NullPointerException success) {} |
260 |
|
} |
264 |
|
*/ |
265 |
|
public void testAddAll_insufficientSpace() { |
266 |
|
int size = ThreadLocalRandom.current().nextInt(1, SIZE); |
267 |
< |
ArrayBlockingQueue q = populatedQueue(0, size, size, false); |
267 |
> |
ArrayBlockingQueue<Item> q = populatedQueue(0, size, size, false); |
268 |
|
// Just fits: |
269 |
|
q.addAll(populatedQueue(size, size, 2 * size, false)); |
270 |
< |
assertEquals(0, q.remainingCapacity()); |
271 |
< |
assertEquals(size, q.size()); |
272 |
< |
assertEquals(0, q.peek()); |
270 |
> |
mustEqual(0, q.remainingCapacity()); |
271 |
> |
mustEqual(size, q.size()); |
272 |
> |
mustEqual(0, q.peek()); |
273 |
|
try { |
274 |
|
q = populatedQueue(0, size, size, false); |
275 |
< |
q.addAll(Collections.nCopies(size + 1, 42)); |
275 |
> |
q.addAll(Collections.nCopies(size + 1, fortytwo)); |
276 |
|
shouldThrow(); |
277 |
|
} catch (IllegalStateException success) {} |
278 |
|
} |
281 |
|
* Queue contains all elements, in traversal order, of successful addAll |
282 |
|
*/ |
283 |
|
public void testAddAll5() { |
284 |
< |
Integer[] empty = new Integer[0]; |
285 |
< |
Integer[] ints = new Integer[SIZE]; |
286 |
< |
for (int i = 0; i < SIZE; ++i) |
293 |
< |
ints[i] = new Integer(i); |
294 |
< |
ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
284 |
> |
Item[] empty = new Item[0]; |
285 |
> |
Item[] items = defaultItems; |
286 |
> |
ArrayBlockingQueue<Item> q = new ArrayBlockingQueue<Item>(SIZE); |
287 |
|
assertFalse(q.addAll(Arrays.asList(empty))); |
288 |
< |
assertTrue(q.addAll(Arrays.asList(ints))); |
288 |
> |
assertTrue(q.addAll(Arrays.asList(items))); |
289 |
|
for (int i = 0; i < SIZE; ++i) |
290 |
< |
assertEquals(ints[i], q.poll()); |
290 |
> |
mustEqual(items[i], q.poll()); |
291 |
|
} |
292 |
|
|
293 |
|
/** |
294 |
|
* all elements successfully put are contained |
295 |
|
*/ |
296 |
|
public void testPut() throws InterruptedException { |
297 |
< |
ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
297 |
> |
ArrayBlockingQueue<Item> q = new ArrayBlockingQueue<Item>(SIZE); |
298 |
|
for (int i = 0; i < SIZE; ++i) { |
299 |
< |
Integer x = new Integer(i); |
299 |
> |
Item x = itemFor(i); |
300 |
|
q.put(x); |
301 |
< |
assertTrue(q.contains(x)); |
301 |
> |
mustContain(q, x); |
302 |
|
} |
303 |
< |
assertEquals(0, q.remainingCapacity()); |
303 |
> |
mustEqual(0, q.remainingCapacity()); |
304 |
|
} |
305 |
|
|
306 |
|
/** |
307 |
|
* put blocks interruptibly if full |
308 |
|
*/ |
309 |
|
public void testBlockingPut() throws InterruptedException { |
310 |
< |
final ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
310 |
> |
final ArrayBlockingQueue<Item> q = new ArrayBlockingQueue<Item>(SIZE); |
311 |
|
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
312 |
|
Thread t = newStartedThread(new CheckedRunnable() { |
313 |
|
public void realRun() throws InterruptedException { |
314 |
|
for (int i = 0; i < SIZE; ++i) |
315 |
< |
q.put(i); |
316 |
< |
assertEquals(SIZE, q.size()); |
317 |
< |
assertEquals(0, q.remainingCapacity()); |
315 |
> |
q.put(itemFor(i)); |
316 |
> |
mustEqual(SIZE, q.size()); |
317 |
> |
mustEqual(0, q.remainingCapacity()); |
318 |
|
|
319 |
|
Thread.currentThread().interrupt(); |
320 |
|
try { |
321 |
< |
q.put(99); |
321 |
> |
q.put(ninetynine); |
322 |
|
shouldThrow(); |
323 |
|
} catch (InterruptedException success) {} |
324 |
|
assertFalse(Thread.interrupted()); |
325 |
|
|
326 |
|
pleaseInterrupt.countDown(); |
327 |
|
try { |
328 |
< |
q.put(99); |
328 |
> |
q.put(ninetynine); |
329 |
|
shouldThrow(); |
330 |
|
} catch (InterruptedException success) {} |
331 |
|
assertFalse(Thread.interrupted()); |
335 |
|
if (randomBoolean()) assertThreadBlocks(t, Thread.State.WAITING); |
336 |
|
t.interrupt(); |
337 |
|
awaitTermination(t); |
338 |
< |
assertEquals(SIZE, q.size()); |
339 |
< |
assertEquals(0, q.remainingCapacity()); |
338 |
> |
mustEqual(SIZE, q.size()); |
339 |
> |
mustEqual(0, q.remainingCapacity()); |
340 |
|
} |
341 |
|
|
342 |
|
/** |
344 |
|
*/ |
345 |
|
public void testPutWithTake() throws InterruptedException { |
346 |
|
final int capacity = 2; |
347 |
< |
final ArrayBlockingQueue q = new ArrayBlockingQueue(capacity); |
347 |
> |
final ArrayBlockingQueue<Item> q = new ArrayBlockingQueue<Item>(capacity); |
348 |
|
final CountDownLatch pleaseTake = new CountDownLatch(1); |
349 |
|
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
350 |
|
Thread t = newStartedThread(new CheckedRunnable() { |
351 |
|
public void realRun() throws InterruptedException { |
352 |
|
for (int i = 0; i < capacity; i++) |
353 |
< |
q.put(i); |
353 |
> |
q.put(itemFor(i)); |
354 |
|
pleaseTake.countDown(); |
355 |
< |
q.put(86); |
355 |
> |
q.put(eightysix); |
356 |
|
|
357 |
|
Thread.currentThread().interrupt(); |
358 |
|
try { |
359 |
< |
q.put(99); |
359 |
> |
q.put(ninetynine); |
360 |
|
shouldThrow(); |
361 |
|
} catch (InterruptedException success) {} |
362 |
|
assertFalse(Thread.interrupted()); |
363 |
|
|
364 |
|
pleaseInterrupt.countDown(); |
365 |
|
try { |
366 |
< |
q.put(99); |
366 |
> |
q.put(ninetynine); |
367 |
|
shouldThrow(); |
368 |
|
} catch (InterruptedException success) {} |
369 |
|
assertFalse(Thread.interrupted()); |
370 |
|
}}); |
371 |
|
|
372 |
|
await(pleaseTake); |
373 |
< |
assertEquals(0, q.remainingCapacity()); |
374 |
< |
assertEquals(0, q.take()); |
373 |
> |
mustEqual(0, q.remainingCapacity()); |
374 |
> |
mustEqual(0, q.take()); |
375 |
|
|
376 |
|
await(pleaseInterrupt); |
377 |
|
if (randomBoolean()) assertThreadBlocks(t, Thread.State.WAITING); |
378 |
|
t.interrupt(); |
379 |
|
awaitTermination(t); |
380 |
< |
assertEquals(0, q.remainingCapacity()); |
380 |
> |
mustEqual(0, q.remainingCapacity()); |
381 |
|
} |
382 |
|
|
383 |
|
/** |
384 |
|
* timed offer times out if full and elements not taken |
385 |
|
*/ |
386 |
|
public void testTimedOffer() { |
387 |
< |
final ArrayBlockingQueue q = new ArrayBlockingQueue(2); |
387 |
> |
final ArrayBlockingQueue<Item> q = new ArrayBlockingQueue<Item>(2); |
388 |
|
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
389 |
|
Thread t = newStartedThread(new CheckedRunnable() { |
390 |
|
public void realRun() throws InterruptedException { |
391 |
< |
q.put(new Object()); |
392 |
< |
q.put(new Object()); |
391 |
> |
q.put(one); |
392 |
> |
q.put(two); |
393 |
|
long startTime = System.nanoTime(); |
394 |
< |
assertFalse(q.offer(new Object(), timeoutMillis(), MILLISECONDS)); |
394 |
> |
assertFalse(q.offer(zero, timeoutMillis(), MILLISECONDS)); |
395 |
|
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
396 |
|
|
397 |
|
Thread.currentThread().interrupt(); |
398 |
|
try { |
399 |
< |
q.offer(new Object(), randomTimeout(), randomTimeUnit()); |
399 |
> |
q.offer(three, randomTimeout(), randomTimeUnit()); |
400 |
|
shouldThrow(); |
401 |
|
} catch (InterruptedException success) {} |
402 |
|
assertFalse(Thread.interrupted()); |
403 |
|
|
404 |
|
pleaseInterrupt.countDown(); |
405 |
|
try { |
406 |
< |
q.offer(new Object(), LONGER_DELAY_MS, MILLISECONDS); |
406 |
> |
q.offer(four, LONGER_DELAY_MS, MILLISECONDS); |
407 |
|
shouldThrow(); |
408 |
|
} catch (InterruptedException success) {} |
409 |
|
assertFalse(Thread.interrupted()); |
419 |
|
* take retrieves elements in FIFO order |
420 |
|
*/ |
421 |
|
public void testTake() throws InterruptedException { |
422 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
422 |
> |
ArrayBlockingQueue<Item> q = populatedQueue(SIZE); |
423 |
|
for (int i = 0; i < SIZE; ++i) { |
424 |
< |
assertEquals(i, q.take()); |
424 |
> |
mustEqual(i, q.take()); |
425 |
|
} |
426 |
|
} |
427 |
|
|
429 |
|
* Take removes existing elements until empty, then blocks interruptibly |
430 |
|
*/ |
431 |
|
public void testBlockingTake() throws InterruptedException { |
432 |
< |
final ArrayBlockingQueue q = populatedQueue(SIZE); |
432 |
> |
final ArrayBlockingQueue<Item> q = populatedQueue(SIZE); |
433 |
|
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
434 |
|
Thread t = newStartedThread(new CheckedRunnable() { |
435 |
|
public void realRun() throws InterruptedException { |
436 |
< |
for (int i = 0; i < SIZE; i++) assertEquals(i, q.take()); |
436 |
> |
for (int i = 0; i < SIZE; i++) mustEqual(i, q.take()); |
437 |
|
|
438 |
|
Thread.currentThread().interrupt(); |
439 |
|
try { |
460 |
|
* poll succeeds unless empty |
461 |
|
*/ |
462 |
|
public void testPoll() { |
463 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
463 |
> |
ArrayBlockingQueue<Item> q = populatedQueue(SIZE); |
464 |
|
for (int i = 0; i < SIZE; ++i) { |
465 |
< |
assertEquals(i, q.poll()); |
465 |
> |
mustEqual(i, q.poll()); |
466 |
|
} |
467 |
|
assertNull(q.poll()); |
468 |
|
} |
471 |
|
* timed poll with zero timeout succeeds when non-empty, else times out |
472 |
|
*/ |
473 |
|
public void testTimedPoll0() throws InterruptedException { |
474 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
474 |
> |
ArrayBlockingQueue<Item> q = populatedQueue(SIZE); |
475 |
|
for (int i = 0; i < SIZE; ++i) { |
476 |
< |
assertEquals(i, q.poll(0, MILLISECONDS)); |
476 |
> |
mustEqual(i, q.poll(0, MILLISECONDS)); |
477 |
|
} |
478 |
|
assertNull(q.poll(0, MILLISECONDS)); |
479 |
|
checkEmpty(q); |
483 |
|
* timed poll with nonzero timeout succeeds when non-empty, else times out |
484 |
|
*/ |
485 |
|
public void testTimedPoll() throws InterruptedException { |
486 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
486 |
> |
ArrayBlockingQueue<Item> q = populatedQueue(SIZE); |
487 |
|
for (int i = 0; i < SIZE; ++i) { |
488 |
|
long startTime = System.nanoTime(); |
489 |
< |
assertEquals(i, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
489 |
> |
mustEqual(i, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
490 |
|
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
491 |
|
} |
492 |
|
long startTime = System.nanoTime(); |
500 |
|
* returning timeout status |
501 |
|
*/ |
502 |
|
public void testInterruptedTimedPoll() throws InterruptedException { |
503 |
< |
final BlockingQueue<Integer> q = populatedQueue(SIZE); |
503 |
> |
final BlockingQueue<Item> q = populatedQueue(SIZE); |
504 |
|
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
505 |
|
Thread t = newStartedThread(new CheckedRunnable() { |
506 |
|
public void realRun() throws InterruptedException { |
507 |
|
for (int i = 0; i < SIZE; i++) |
508 |
< |
assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS)); |
508 |
> |
mustEqual(i, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
509 |
|
|
510 |
|
Thread.currentThread().interrupt(); |
511 |
|
try { |
533 |
|
* peek returns next element, or null if empty |
534 |
|
*/ |
535 |
|
public void testPeek() { |
536 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
536 |
> |
ArrayBlockingQueue<Item> q = populatedQueue(SIZE); |
537 |
|
for (int i = 0; i < SIZE; ++i) { |
538 |
< |
assertEquals(i, q.peek()); |
539 |
< |
assertEquals(i, q.poll()); |
538 |
> |
mustEqual(i, q.peek()); |
539 |
> |
mustEqual(i, q.poll()); |
540 |
|
assertTrue(q.peek() == null || |
541 |
|
!q.peek().equals(i)); |
542 |
|
} |
547 |
|
* element returns next element, or throws NSEE if empty |
548 |
|
*/ |
549 |
|
public void testElement() { |
550 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
550 |
> |
ArrayBlockingQueue<Item> q = populatedQueue(SIZE); |
551 |
|
for (int i = 0; i < SIZE; ++i) { |
552 |
< |
assertEquals(i, q.element()); |
553 |
< |
assertEquals(i, q.poll()); |
552 |
> |
mustEqual(i, q.element()); |
553 |
> |
mustEqual(i, q.poll()); |
554 |
|
} |
555 |
|
try { |
556 |
|
q.element(); |
562 |
|
* remove removes next element, or throws NSEE if empty |
563 |
|
*/ |
564 |
|
public void testRemove() { |
565 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
565 |
> |
ArrayBlockingQueue<Item> q = populatedQueue(SIZE); |
566 |
|
for (int i = 0; i < SIZE; ++i) { |
567 |
< |
assertEquals(i, q.remove()); |
567 |
> |
mustEqual(i, q.remove()); |
568 |
|
} |
569 |
|
try { |
570 |
|
q.remove(); |
577 |
|
*/ |
578 |
|
public void testContains() { |
579 |
|
int size = ThreadLocalRandom.current().nextInt(1, SIZE); |
580 |
< |
ArrayBlockingQueue q = populatedQueue(size, size, 2 * size, false); |
580 |
> |
ArrayBlockingQueue<Item> q = populatedQueue(size, size, 2 * size, false); |
581 |
|
assertFalse(q.contains(null)); |
582 |
|
for (int i = 0; i < size; ++i) { |
583 |
< |
assertTrue(q.contains(new Integer(i))); |
584 |
< |
assertEquals(i, q.poll()); |
585 |
< |
assertFalse(q.contains(new Integer(i))); |
583 |
> |
mustContain(q, i); |
584 |
> |
mustEqual(i, q.poll()); |
585 |
> |
mustNotContain(q, i); |
586 |
|
} |
587 |
|
} |
588 |
|
|
591 |
|
*/ |
592 |
|
public void testClear() { |
593 |
|
int size = ThreadLocalRandom.current().nextInt(1, 5); |
594 |
< |
ArrayBlockingQueue q = populatedQueue(size, size, 2 * size, false); |
594 |
> |
ArrayBlockingQueue<Item> q = populatedQueue(size, size, 2 * size, false); |
595 |
|
int capacity = size + q.remainingCapacity(); |
596 |
|
q.clear(); |
597 |
|
assertTrue(q.isEmpty()); |
598 |
< |
assertEquals(0, q.size()); |
599 |
< |
assertEquals(capacity, q.remainingCapacity()); |
598 |
> |
mustEqual(0, q.size()); |
599 |
> |
mustEqual(capacity, q.remainingCapacity()); |
600 |
|
q.add(one); |
601 |
|
assertFalse(q.isEmpty()); |
602 |
< |
assertTrue(q.contains(one)); |
602 |
> |
mustContain(q, one); |
603 |
|
q.clear(); |
604 |
|
assertTrue(q.isEmpty()); |
605 |
|
} |
608 |
|
* containsAll(c) is true when c contains a subset of elements |
609 |
|
*/ |
610 |
|
public void testContainsAll() { |
611 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
612 |
< |
ArrayBlockingQueue p = new ArrayBlockingQueue(SIZE); |
611 |
> |
ArrayBlockingQueue<Item> q = populatedQueue(SIZE); |
612 |
> |
ArrayBlockingQueue<Item> p = new ArrayBlockingQueue<Item>(SIZE); |
613 |
|
for (int i = 0; i < SIZE; ++i) { |
614 |
|
assertTrue(q.containsAll(p)); |
615 |
|
assertFalse(p.containsAll(q)); |
616 |
< |
p.add(new Integer(i)); |
616 |
> |
mustAdd(p, i); |
617 |
|
} |
618 |
|
assertTrue(p.containsAll(q)); |
619 |
|
} |
622 |
|
* retainAll(c) retains only those elements of c and reports true if changed |
623 |
|
*/ |
624 |
|
public void testRetainAll() { |
625 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
626 |
< |
ArrayBlockingQueue p = populatedQueue(SIZE); |
625 |
> |
ArrayBlockingQueue<Item> q = populatedQueue(SIZE); |
626 |
> |
ArrayBlockingQueue<Item> p = populatedQueue(SIZE); |
627 |
|
for (int i = 0; i < SIZE; ++i) { |
628 |
|
boolean changed = q.retainAll(p); |
629 |
|
if (i == 0) |
632 |
|
assertTrue(changed); |
633 |
|
|
634 |
|
assertTrue(q.containsAll(p)); |
635 |
< |
assertEquals(SIZE - i, q.size()); |
635 |
> |
mustEqual(SIZE - i, q.size()); |
636 |
|
p.remove(); |
637 |
|
} |
638 |
|
} |
642 |
|
*/ |
643 |
|
public void testRemoveAll() { |
644 |
|
for (int i = 1; i < SIZE; ++i) { |
645 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
646 |
< |
ArrayBlockingQueue p = populatedQueue(i); |
645 |
> |
ArrayBlockingQueue<Item> q = populatedQueue(SIZE); |
646 |
> |
ArrayBlockingQueue<Item> p = populatedQueue(i); |
647 |
|
assertTrue(q.removeAll(p)); |
648 |
< |
assertEquals(SIZE - i, q.size()); |
648 |
> |
mustEqual(SIZE - i, q.size()); |
649 |
|
for (int j = 0; j < i; ++j) { |
650 |
< |
Integer x = (Integer)(p.remove()); |
651 |
< |
assertFalse(q.contains(x)); |
650 |
> |
Item x = p.remove(); |
651 |
> |
mustNotContain(q, x); |
652 |
|
} |
653 |
|
} |
654 |
|
} |
655 |
|
|
656 |
< |
void checkToArray(ArrayBlockingQueue<Integer> q) { |
656 |
> |
void checkToArray(ArrayBlockingQueue<Item> q) { |
657 |
|
int size = q.size(); |
658 |
|
Object[] a1 = q.toArray(); |
659 |
< |
assertEquals(size, a1.length); |
660 |
< |
Integer[] a2 = q.toArray(new Integer[0]); |
661 |
< |
assertEquals(size, a2.length); |
662 |
< |
Integer[] a3 = q.toArray(new Integer[Math.max(0, size - 1)]); |
663 |
< |
assertEquals(size, a3.length); |
664 |
< |
Integer[] a4 = new Integer[size]; |
659 |
> |
mustEqual(size, a1.length); |
660 |
> |
Item[] a2 = q.toArray(new Item[0]); |
661 |
> |
mustEqual(size, a2.length); |
662 |
> |
Item[] a3 = q.toArray(new Item[Math.max(0, size - 1)]); |
663 |
> |
mustEqual(size, a3.length); |
664 |
> |
Item[] a4 = new Item[size]; |
665 |
|
assertSame(a4, q.toArray(a4)); |
666 |
< |
Integer[] a5 = new Integer[size + 1]; |
667 |
< |
Arrays.fill(a5, 42); |
666 |
> |
Item[] a5 = new Item[size + 1]; |
667 |
> |
Arrays.fill(a5, fortytwo); |
668 |
|
assertSame(a5, q.toArray(a5)); |
669 |
< |
Integer[] a6 = new Integer[size + 2]; |
670 |
< |
Arrays.fill(a6, 42); |
669 |
> |
Item[] a6 = new Item[size + 2]; |
670 |
> |
Arrays.fill(a6, fortytwo); |
671 |
|
assertSame(a6, q.toArray(a6)); |
672 |
|
Object[][] as = { a1, a2, a3, a4, a5, a6 }; |
673 |
|
for (Object[] a : as) { |
674 |
|
if (a.length > size) assertNull(a[size]); |
675 |
< |
if (a.length > size + 1) assertEquals(42, a[size + 1]); |
675 |
> |
if (a.length > size + 1) mustEqual(fortytwo, a[size + 1]); |
676 |
|
} |
677 |
< |
Iterator it = q.iterator(); |
678 |
< |
Integer s = q.peek(); |
677 |
> |
Iterator<? extends Item> it = q.iterator(); |
678 |
> |
Item s = q.peek(); |
679 |
|
for (int i = 0; i < size; i++) { |
680 |
< |
Integer x = (Integer) it.next(); |
681 |
< |
assertEquals(s + i, (int) x); |
680 |
> |
Item x = (Item) it.next(); |
681 |
> |
mustEqual(s.value + i, x); |
682 |
|
for (Object[] a : as) |
683 |
< |
assertSame(a[i], x); |
683 |
> |
mustEqual(a[i], x); |
684 |
|
} |
685 |
|
} |
686 |
|
|
691 |
|
final ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
692 |
|
final int size = rnd.nextInt(6); |
693 |
|
final int capacity = Math.max(1, size + rnd.nextInt(size + 1)); |
694 |
< |
ArrayBlockingQueue<Integer> q = new ArrayBlockingQueue<>(capacity); |
694 |
> |
ArrayBlockingQueue<Item> q = new ArrayBlockingQueue<>(capacity); |
695 |
|
for (int i = 0; i < size; i++) { |
696 |
|
checkToArray(q); |
697 |
< |
q.add(i); |
697 |
> |
mustAdd(q, i); |
698 |
|
} |
699 |
|
// Provoke wraparound |
700 |
|
int added = size * 2; |
701 |
|
for (int i = 0; i < added; i++) { |
702 |
|
checkToArray(q); |
703 |
< |
assertEquals((Integer) i, q.poll()); |
704 |
< |
q.add(size + i); |
703 |
> |
mustEqual(i, q.poll()); |
704 |
> |
q.add(new Item(size + i)); |
705 |
|
} |
706 |
|
for (int i = 0; i < size; i++) { |
707 |
|
checkToArray(q); |
708 |
< |
assertEquals((Integer) (added + i), q.poll()); |
708 |
> |
mustEqual((added + i), q.poll()); |
709 |
|
} |
710 |
|
} |
711 |
|
|
713 |
|
* toArray(incompatible array type) throws ArrayStoreException |
714 |
|
*/ |
715 |
|
public void testToArray_incompatibleArrayType() { |
716 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
716 |
> |
ArrayBlockingQueue<Item> q = populatedQueue(SIZE); |
717 |
|
try { |
718 |
|
q.toArray(new String[10]); |
719 |
|
shouldThrow(); |
728 |
|
* iterator iterates through all elements |
729 |
|
*/ |
730 |
|
public void testIterator() throws InterruptedException { |
731 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
732 |
< |
Iterator it = q.iterator(); |
731 |
> |
ArrayBlockingQueue<Item> q = populatedQueue(SIZE); |
732 |
> |
Iterator<? extends Item> it = q.iterator(); |
733 |
|
int i; |
734 |
|
for (i = 0; it.hasNext(); i++) |
735 |
< |
assertTrue(q.contains(it.next())); |
736 |
< |
assertEquals(i, SIZE); |
735 |
> |
mustContain(q, it.next()); |
736 |
> |
mustEqual(i, SIZE); |
737 |
|
assertIteratorExhausted(it); |
738 |
|
|
739 |
|
it = q.iterator(); |
740 |
|
for (i = 0; it.hasNext(); i++) |
741 |
< |
assertEquals(it.next(), q.take()); |
742 |
< |
assertEquals(i, SIZE); |
741 |
> |
mustEqual(it.next(), q.take()); |
742 |
> |
mustEqual(i, SIZE); |
743 |
|
assertIteratorExhausted(it); |
744 |
|
} |
745 |
|
|
747 |
|
* iterator of empty collection has no elements |
748 |
|
*/ |
749 |
|
public void testEmptyIterator() { |
750 |
< |
assertIteratorExhausted(new ArrayBlockingQueue(SIZE).iterator()); |
750 |
> |
assertIteratorExhausted(new ArrayBlockingQueue<Item>(SIZE).iterator()); |
751 |
|
} |
752 |
|
|
753 |
|
/** |
754 |
|
* iterator.remove removes current element |
755 |
|
*/ |
756 |
|
public void testIteratorRemove() { |
757 |
< |
final ArrayBlockingQueue q = new ArrayBlockingQueue(3); |
757 |
> |
final ArrayBlockingQueue<Item> q = new ArrayBlockingQueue<Item>(3); |
758 |
|
q.add(two); |
759 |
|
q.add(one); |
760 |
|
q.add(three); |
761 |
|
|
762 |
< |
Iterator it = q.iterator(); |
762 |
> |
Iterator<? extends Item> it = q.iterator(); |
763 |
|
it.next(); |
764 |
|
it.remove(); |
765 |
|
|
773 |
|
* iterator ordering is FIFO |
774 |
|
*/ |
775 |
|
public void testIteratorOrdering() { |
776 |
< |
final ArrayBlockingQueue q = new ArrayBlockingQueue(3); |
776 |
> |
final ArrayBlockingQueue<Item> q = new ArrayBlockingQueue<Item>(3); |
777 |
|
q.add(one); |
778 |
|
q.add(two); |
779 |
|
q.add(three); |
781 |
|
assertEquals("queue should be full", 0, q.remainingCapacity()); |
782 |
|
|
783 |
|
int k = 0; |
784 |
< |
for (Iterator it = q.iterator(); it.hasNext();) { |
785 |
< |
assertEquals(++k, it.next()); |
784 |
> |
for (Iterator<? extends Item> it = q.iterator(); it.hasNext();) { |
785 |
> |
mustEqual(++k, it.next()); |
786 |
|
} |
787 |
< |
assertEquals(3, k); |
787 |
> |
mustEqual(3, k); |
788 |
|
} |
789 |
|
|
790 |
|
/** |
791 |
|
* Modifications do not cause iterators to fail |
792 |
|
*/ |
793 |
|
public void testWeaklyConsistentIteration() { |
794 |
< |
final ArrayBlockingQueue q = new ArrayBlockingQueue(3); |
794 |
> |
final ArrayBlockingQueue<Item> q = new ArrayBlockingQueue<Item>(3); |
795 |
|
q.add(one); |
796 |
|
q.add(two); |
797 |
|
q.add(three); |
798 |
< |
for (Iterator it = q.iterator(); it.hasNext();) { |
798 |
> |
for (Iterator<? extends Item> it = q.iterator(); it.hasNext();) { |
799 |
|
q.remove(); |
800 |
|
it.next(); |
801 |
|
} |
802 |
< |
assertEquals(0, q.size()); |
802 |
> |
mustEqual(0, q.size()); |
803 |
|
} |
804 |
|
|
805 |
|
/** |
806 |
|
* toString contains toStrings of elements |
807 |
|
*/ |
808 |
|
public void testToString() { |
809 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
809 |
> |
ArrayBlockingQueue<Item> q = populatedQueue(SIZE); |
810 |
|
String s = q.toString(); |
811 |
|
for (int i = 0; i < SIZE; ++i) { |
812 |
|
assertTrue(s.contains(String.valueOf(i))); |
817 |
|
* offer transfers elements across Executor tasks |
818 |
|
*/ |
819 |
|
public void testOfferInExecutor() { |
820 |
< |
final ArrayBlockingQueue q = new ArrayBlockingQueue(2); |
820 |
> |
final ArrayBlockingQueue<Item> q = new ArrayBlockingQueue<Item>(2); |
821 |
|
q.add(one); |
822 |
|
q.add(two); |
823 |
|
final CheckedBarrier threadsStarted = new CheckedBarrier(2); |
828 |
|
assertFalse(q.offer(three)); |
829 |
|
threadsStarted.await(); |
830 |
|
assertTrue(q.offer(three, LONG_DELAY_MS, MILLISECONDS)); |
831 |
< |
assertEquals(0, q.remainingCapacity()); |
831 |
> |
mustEqual(0, q.remainingCapacity()); |
832 |
|
}}); |
833 |
|
|
834 |
|
executor.execute(new CheckedRunnable() { |
835 |
|
public void realRun() throws InterruptedException { |
836 |
|
threadsStarted.await(); |
837 |
< |
assertEquals(0, q.remainingCapacity()); |
837 |
> |
mustEqual(0, q.remainingCapacity()); |
838 |
|
assertSame(one, q.take()); |
839 |
|
}}); |
840 |
|
} |
844 |
|
* timed poll retrieves elements across Executor threads |
845 |
|
*/ |
846 |
|
public void testPollInExecutor() { |
847 |
< |
final ArrayBlockingQueue q = new ArrayBlockingQueue(2); |
847 |
> |
final ArrayBlockingQueue<Item> q = new ArrayBlockingQueue<Item>(2); |
848 |
|
final CheckedBarrier threadsStarted = new CheckedBarrier(2); |
849 |
|
final ExecutorService executor = Executors.newFixedThreadPool(2); |
850 |
|
try (PoolCleaner cleaner = cleaner(executor)) { |
868 |
|
* A deserialized/reserialized queue has same elements in same order |
869 |
|
*/ |
870 |
|
public void testSerialization() throws Exception { |
871 |
< |
Queue x = populatedQueue(SIZE); |
872 |
< |
Queue y = serialClone(x); |
871 |
> |
Queue<Item> x = populatedQueue(SIZE); |
872 |
> |
Queue<Item> y = serialClone(x); |
873 |
|
|
874 |
|
assertNotSame(x, y); |
875 |
< |
assertEquals(x.size(), y.size()); |
876 |
< |
assertEquals(x.toString(), y.toString()); |
875 |
> |
mustEqual(x.size(), y.size()); |
876 |
> |
mustEqual(x.toString(), y.toString()); |
877 |
|
assertTrue(Arrays.equals(x.toArray(), y.toArray())); |
878 |
|
while (!x.isEmpty()) { |
879 |
|
assertFalse(y.isEmpty()); |
880 |
< |
assertEquals(x.remove(), y.remove()); |
880 |
> |
mustEqual(x.remove(), y.remove()); |
881 |
|
} |
882 |
|
assertTrue(y.isEmpty()); |
883 |
|
} |
886 |
|
* drainTo(c) empties queue into another collection c |
887 |
|
*/ |
888 |
|
public void testDrainTo() { |
889 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
890 |
< |
ArrayList l = new ArrayList(); |
889 |
> |
ArrayBlockingQueue<Item> q = populatedQueue(SIZE); |
890 |
> |
ArrayList<Item> l = new ArrayList<Item>(); |
891 |
|
q.drainTo(l); |
892 |
< |
assertEquals(0, q.size()); |
893 |
< |
assertEquals(SIZE, l.size()); |
892 |
> |
mustEqual(0, q.size()); |
893 |
> |
mustEqual(SIZE, l.size()); |
894 |
|
for (int i = 0; i < SIZE; ++i) |
895 |
< |
assertEquals(l.get(i), new Integer(i)); |
895 |
> |
mustEqual(l.get(i), i); |
896 |
|
q.add(zero); |
897 |
|
q.add(one); |
898 |
|
assertFalse(q.isEmpty()); |
899 |
< |
assertTrue(q.contains(zero)); |
900 |
< |
assertTrue(q.contains(one)); |
899 |
> |
mustContain(q, zero); |
900 |
> |
mustContain(q, one); |
901 |
|
l.clear(); |
902 |
|
q.drainTo(l); |
903 |
< |
assertEquals(0, q.size()); |
904 |
< |
assertEquals(2, l.size()); |
903 |
> |
mustEqual(0, q.size()); |
904 |
> |
mustEqual(2, l.size()); |
905 |
|
for (int i = 0; i < 2; ++i) |
906 |
< |
assertEquals(l.get(i), new Integer(i)); |
906 |
> |
mustEqual(l.get(i), i); |
907 |
|
} |
908 |
|
|
909 |
|
/** |
910 |
|
* drainTo empties full queue, unblocking a waiting put. |
911 |
|
*/ |
912 |
|
public void testDrainToWithActivePut() throws InterruptedException { |
913 |
< |
final ArrayBlockingQueue q = populatedQueue(SIZE); |
913 |
> |
final ArrayBlockingQueue<Item> q = populatedQueue(SIZE); |
914 |
|
Thread t = new Thread(new CheckedRunnable() { |
915 |
|
public void realRun() throws InterruptedException { |
916 |
< |
q.put(new Integer(SIZE + 1)); |
916 |
> |
q.put(new Item(SIZE + 1)); |
917 |
|
}}); |
918 |
|
|
919 |
|
t.start(); |
920 |
< |
ArrayList l = new ArrayList(); |
920 |
> |
ArrayList<Item> l = new ArrayList<Item>(); |
921 |
|
q.drainTo(l); |
922 |
|
assertTrue(l.size() >= SIZE); |
923 |
|
for (int i = 0; i < SIZE; ++i) |
924 |
< |
assertEquals(l.get(i), new Integer(i)); |
924 |
> |
mustEqual(l.get(i), i); |
925 |
|
t.join(); |
926 |
|
assertTrue(q.size() + l.size() >= SIZE); |
927 |
|
} |
930 |
|
* drainTo(c, n) empties first min(n, size) elements of queue into c |
931 |
|
*/ |
932 |
|
public void testDrainToN() { |
933 |
< |
ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE * 2); |
933 |
> |
ArrayBlockingQueue<Item> q = new ArrayBlockingQueue<Item>(SIZE * 2); |
934 |
|
for (int i = 0; i < SIZE + 2; ++i) { |
935 |
|
for (int j = 0; j < SIZE; j++) |
936 |
< |
assertTrue(q.offer(new Integer(j))); |
937 |
< |
ArrayList l = new ArrayList(); |
936 |
> |
mustOffer(q, j); |
937 |
> |
ArrayList<Item> l = new ArrayList<Item>(); |
938 |
|
q.drainTo(l, i); |
939 |
|
int k = (i < SIZE) ? i : SIZE; |
940 |
< |
assertEquals(k, l.size()); |
941 |
< |
assertEquals(SIZE - k, q.size()); |
940 |
> |
mustEqual(k, l.size()); |
941 |
> |
mustEqual(SIZE - k, q.size()); |
942 |
|
for (int j = 0; j < k; ++j) |
943 |
< |
assertEquals(l.get(j), new Integer(j)); |
943 |
> |
mustEqual(l.get(j), j); |
944 |
|
do {} while (q.poll() != null); |
945 |
|
} |
946 |
|
} |