2 |
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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 |
4 |
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* http://creativecommons.org/licenses/publicdomain |
5 |
< |
* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
< |
* Pat Fisher, Mike Judd. |
5 |
> |
* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
> |
* Pat Fisher, Mike Judd. |
7 |
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*/ |
8 |
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|
9 |
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import junit.framework.*; |
10 |
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import java.util.*; |
11 |
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import java.util.concurrent.*; |
12 |
+ |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
13 |
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import java.io.*; |
14 |
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|
15 |
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public class SynchronousQueueTest extends JSR166TestCase { |
16 |
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|
17 |
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public static void main(String[] args) { |
18 |
< |
junit.textui.TestRunner.run (suite()); |
18 |
> |
junit.textui.TestRunner.run (suite()); |
19 |
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} |
20 |
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|
21 |
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public static Test suite() { |
22 |
< |
return new TestSuite(SynchronousQueueTest.class); |
22 |
> |
return new TestSuite(SynchronousQueueTest.class); |
23 |
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} |
24 |
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|
25 |
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/** |
28 |
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public void testEmptyFull() { |
29 |
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SynchronousQueue q = new SynchronousQueue(); |
30 |
|
assertTrue(q.isEmpty()); |
31 |
< |
assertEquals(0, q.size()); |
31 |
> |
assertEquals(0, q.size()); |
32 |
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assertEquals(0, q.remainingCapacity()); |
33 |
|
assertFalse(q.offer(zero)); |
34 |
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} |
39 |
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public void testFairEmptyFull() { |
40 |
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SynchronousQueue q = new SynchronousQueue(true); |
41 |
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assertTrue(q.isEmpty()); |
42 |
< |
assertEquals(0, q.size()); |
42 |
> |
assertEquals(0, q.size()); |
43 |
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assertEquals(0, q.remainingCapacity()); |
44 |
|
assertFalse(q.offer(zero)); |
45 |
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} |
48 |
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* offer(null) throws NPE |
49 |
|
*/ |
50 |
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public void testOfferNull() { |
51 |
< |
try { |
51 |
> |
try { |
52 |
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SynchronousQueue q = new SynchronousQueue(); |
53 |
|
q.offer(null); |
54 |
|
shouldThrow(); |
55 |
< |
} catch (NullPointerException success) { } |
55 |
> |
} catch (NullPointerException success) {} |
56 |
|
} |
57 |
|
|
58 |
|
/** |
59 |
|
* add(null) throws NPE |
60 |
|
*/ |
61 |
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public void testAddNull() { |
62 |
< |
try { |
62 |
> |
try { |
63 |
|
SynchronousQueue q = new SynchronousQueue(); |
64 |
|
q.add(null); |
65 |
|
shouldThrow(); |
66 |
< |
} catch (NullPointerException success) { } |
66 |
> |
} catch (NullPointerException success) {} |
67 |
|
} |
68 |
|
|
69 |
|
/** |
78 |
|
* add throws ISE if no active taker |
79 |
|
*/ |
80 |
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public void testAdd() { |
81 |
< |
try { |
81 |
> |
try { |
82 |
|
SynchronousQueue q = new SynchronousQueue(); |
83 |
|
assertEquals(0, q.remainingCapacity()); |
84 |
|
q.add(one); |
85 |
|
shouldThrow(); |
86 |
< |
} catch (IllegalStateException success){ |
86 |
< |
} |
86 |
> |
} catch (IllegalStateException success) {} |
87 |
|
} |
88 |
|
|
89 |
|
/** |
94 |
|
SynchronousQueue q = new SynchronousQueue(); |
95 |
|
q.addAll(null); |
96 |
|
shouldThrow(); |
97 |
< |
} |
98 |
< |
catch (NullPointerException success) {} |
97 |
> |
} catch (NullPointerException success) {} |
98 |
|
} |
99 |
|
|
100 |
|
/** |
105 |
|
SynchronousQueue q = new SynchronousQueue(); |
106 |
|
q.addAll(q); |
107 |
|
shouldThrow(); |
108 |
< |
} |
110 |
< |
catch (IllegalArgumentException success) {} |
108 |
> |
} catch (IllegalArgumentException success) {} |
109 |
|
} |
110 |
|
|
111 |
|
/** |
117 |
|
Integer[] ints = new Integer[1]; |
118 |
|
q.addAll(Arrays.asList(ints)); |
119 |
|
shouldThrow(); |
120 |
< |
} |
123 |
< |
catch (NullPointerException success) {} |
120 |
> |
} catch (NullPointerException success) {} |
121 |
|
} |
122 |
|
/** |
123 |
|
* addAll throws ISE if no active taker |
130 |
|
ints[i] = new Integer(i); |
131 |
|
q.addAll(Arrays.asList(ints)); |
132 |
|
shouldThrow(); |
133 |
< |
} |
137 |
< |
catch (IllegalStateException success) {} |
133 |
> |
} catch (IllegalStateException success) {} |
134 |
|
} |
135 |
|
|
136 |
|
/** |
137 |
|
* put(null) throws NPE |
138 |
|
*/ |
139 |
< |
public void testPutNull() { |
140 |
< |
try { |
139 |
> |
public void testPutNull() throws InterruptedException { |
140 |
> |
try { |
141 |
|
SynchronousQueue q = new SynchronousQueue(); |
142 |
|
q.put(null); |
143 |
|
shouldThrow(); |
144 |
< |
} |
149 |
< |
catch (NullPointerException success){ |
150 |
< |
} |
151 |
< |
catch (InterruptedException ie) { |
152 |
< |
unexpectedException(); |
153 |
< |
} |
144 |
> |
} catch (NullPointerException success) {} |
145 |
|
} |
146 |
|
|
147 |
|
/** |
148 |
|
* put blocks interruptibly if no active taker |
149 |
|
*/ |
150 |
< |
public void testBlockingPut() { |
151 |
< |
Thread t = new Thread(new Runnable() { |
152 |
< |
public void run() { |
153 |
< |
try { |
154 |
< |
SynchronousQueue q = new SynchronousQueue(); |
155 |
< |
q.put(zero); |
156 |
< |
threadShouldThrow(); |
157 |
< |
} catch (InterruptedException ie){ |
158 |
< |
} |
159 |
< |
}}); |
160 |
< |
t.start(); |
170 |
< |
try { |
171 |
< |
Thread.sleep(SHORT_DELAY_MS); |
172 |
< |
t.interrupt(); |
173 |
< |
t.join(); |
174 |
< |
} |
175 |
< |
catch (InterruptedException ie) { |
176 |
< |
unexpectedException(); |
177 |
< |
} |
150 |
> |
public void testBlockingPut() throws InterruptedException { |
151 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
152 |
> |
public void realRun() throws InterruptedException { |
153 |
> |
SynchronousQueue q = new SynchronousQueue(); |
154 |
> |
q.put(zero); |
155 |
> |
}}); |
156 |
> |
|
157 |
> |
t.start(); |
158 |
> |
Thread.sleep(SHORT_DELAY_MS); |
159 |
> |
t.interrupt(); |
160 |
> |
t.join(); |
161 |
|
} |
162 |
|
|
163 |
|
/** |
164 |
< |
* put blocks waiting for take |
164 |
> |
* put blocks waiting for take |
165 |
|
*/ |
166 |
< |
public void testPutWithTake() { |
166 |
> |
public void testPutWithTake() throws InterruptedException { |
167 |
|
final SynchronousQueue q = new SynchronousQueue(); |
168 |
< |
Thread t = new Thread(new Runnable() { |
169 |
< |
public void run() { |
170 |
< |
int added = 0; |
171 |
< |
try { |
172 |
< |
q.put(new Object()); |
173 |
< |
++added; |
174 |
< |
q.put(new Object()); |
175 |
< |
++added; |
176 |
< |
q.put(new Object()); |
177 |
< |
++added; |
178 |
< |
q.put(new Object()); |
179 |
< |
++added; |
180 |
< |
threadShouldThrow(); |
181 |
< |
} catch (InterruptedException e){ |
182 |
< |
assertTrue(added >= 1); |
200 |
< |
} |
168 |
> |
Thread t = new Thread(new CheckedRunnable() { |
169 |
> |
public void realRun() throws InterruptedException { |
170 |
> |
int added = 0; |
171 |
> |
try { |
172 |
> |
q.put(new Object()); |
173 |
> |
++added; |
174 |
> |
q.put(new Object()); |
175 |
> |
++added; |
176 |
> |
q.put(new Object()); |
177 |
> |
++added; |
178 |
> |
q.put(new Object()); |
179 |
> |
++added; |
180 |
> |
threadShouldThrow(); |
181 |
> |
} catch (InterruptedException success) { |
182 |
> |
assertTrue(added >= 1); |
183 |
|
} |
184 |
< |
}); |
185 |
< |
try { |
186 |
< |
t.start(); |
187 |
< |
Thread.sleep(SHORT_DELAY_MS); |
188 |
< |
q.take(); |
189 |
< |
Thread.sleep(SHORT_DELAY_MS); |
190 |
< |
t.interrupt(); |
191 |
< |
t.join(); |
210 |
< |
} catch (Exception e){ |
211 |
< |
unexpectedException(); |
212 |
< |
} |
184 |
> |
}}); |
185 |
> |
|
186 |
> |
t.start(); |
187 |
> |
Thread.sleep(SHORT_DELAY_MS); |
188 |
> |
q.take(); |
189 |
> |
Thread.sleep(SHORT_DELAY_MS); |
190 |
> |
t.interrupt(); |
191 |
> |
t.join(); |
192 |
|
} |
193 |
|
|
194 |
|
/** |
195 |
|
* timed offer times out if elements not taken |
196 |
|
*/ |
197 |
< |
public void testTimedOffer() { |
197 |
> |
public void testTimedOffer() throws InterruptedException { |
198 |
|
final SynchronousQueue q = new SynchronousQueue(); |
199 |
< |
Thread t = new Thread(new Runnable() { |
200 |
< |
public void run() { |
201 |
< |
try { |
202 |
< |
|
203 |
< |
threadAssertFalse(q.offer(new Object(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
204 |
< |
q.offer(new Object(), LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
205 |
< |
threadShouldThrow(); |
206 |
< |
} catch (InterruptedException success){} |
207 |
< |
} |
208 |
< |
}); |
230 |
< |
|
231 |
< |
try { |
232 |
< |
t.start(); |
233 |
< |
Thread.sleep(SMALL_DELAY_MS); |
234 |
< |
t.interrupt(); |
235 |
< |
t.join(); |
236 |
< |
} catch (Exception e){ |
237 |
< |
unexpectedException(); |
238 |
< |
} |
199 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
200 |
> |
public void realRun() throws InterruptedException { |
201 |
> |
assertFalse(q.offer(new Object(), SHORT_DELAY_MS, MILLISECONDS)); |
202 |
> |
q.offer(new Object(), LONG_DELAY_MS, MILLISECONDS); |
203 |
> |
}}); |
204 |
> |
|
205 |
> |
t.start(); |
206 |
> |
Thread.sleep(SMALL_DELAY_MS); |
207 |
> |
t.interrupt(); |
208 |
> |
t.join(); |
209 |
|
} |
210 |
|
|
211 |
|
|
212 |
|
/** |
213 |
|
* take blocks interruptibly when empty |
214 |
|
*/ |
215 |
< |
public void testTakeFromEmpty() { |
215 |
> |
public void testTakeFromEmpty() throws InterruptedException { |
216 |
|
final SynchronousQueue q = new SynchronousQueue(); |
217 |
< |
Thread t = new Thread(new Runnable() { |
218 |
< |
public void run() { |
219 |
< |
try { |
220 |
< |
q.take(); |
221 |
< |
threadShouldThrow(); |
222 |
< |
} catch (InterruptedException success){ } |
223 |
< |
} |
224 |
< |
}); |
225 |
< |
try { |
256 |
< |
t.start(); |
257 |
< |
Thread.sleep(SHORT_DELAY_MS); |
258 |
< |
t.interrupt(); |
259 |
< |
t.join(); |
260 |
< |
} catch (Exception e){ |
261 |
< |
unexpectedException(); |
262 |
< |
} |
217 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
218 |
> |
public void realRun() throws InterruptedException { |
219 |
> |
q.take(); |
220 |
> |
}}); |
221 |
> |
|
222 |
> |
t.start(); |
223 |
> |
Thread.sleep(SHORT_DELAY_MS); |
224 |
> |
t.interrupt(); |
225 |
> |
t.join(); |
226 |
|
} |
227 |
|
|
228 |
|
|
229 |
|
/** |
230 |
|
* put blocks interruptibly if no active taker |
231 |
|
*/ |
232 |
< |
public void testFairBlockingPut() { |
233 |
< |
Thread t = new Thread(new Runnable() { |
234 |
< |
public void run() { |
235 |
< |
try { |
236 |
< |
SynchronousQueue q = new SynchronousQueue(true); |
237 |
< |
q.put(zero); |
238 |
< |
threadShouldThrow(); |
239 |
< |
} catch (InterruptedException ie){ |
240 |
< |
} |
241 |
< |
}}); |
242 |
< |
t.start(); |
280 |
< |
try { |
281 |
< |
Thread.sleep(SHORT_DELAY_MS); |
282 |
< |
t.interrupt(); |
283 |
< |
t.join(); |
284 |
< |
} |
285 |
< |
catch (InterruptedException ie) { |
286 |
< |
unexpectedException(); |
287 |
< |
} |
232 |
> |
public void testFairBlockingPut() throws InterruptedException { |
233 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
234 |
> |
public void realRun() throws InterruptedException { |
235 |
> |
SynchronousQueue q = new SynchronousQueue(true); |
236 |
> |
q.put(zero); |
237 |
> |
}}); |
238 |
> |
|
239 |
> |
t.start(); |
240 |
> |
Thread.sleep(SHORT_DELAY_MS); |
241 |
> |
t.interrupt(); |
242 |
> |
t.join(); |
243 |
|
} |
244 |
|
|
245 |
|
/** |
246 |
< |
* put blocks waiting for take |
246 |
> |
* put blocks waiting for take |
247 |
|
*/ |
248 |
< |
public void testFairPutWithTake() { |
248 |
> |
public void testFairPutWithTake() throws InterruptedException { |
249 |
|
final SynchronousQueue q = new SynchronousQueue(true); |
250 |
< |
Thread t = new Thread(new Runnable() { |
251 |
< |
public void run() { |
252 |
< |
int added = 0; |
253 |
< |
try { |
254 |
< |
q.put(new Object()); |
255 |
< |
++added; |
256 |
< |
q.put(new Object()); |
257 |
< |
++added; |
258 |
< |
q.put(new Object()); |
259 |
< |
++added; |
260 |
< |
q.put(new Object()); |
261 |
< |
++added; |
262 |
< |
threadShouldThrow(); |
263 |
< |
} catch (InterruptedException e){ |
264 |
< |
assertTrue(added >= 1); |
310 |
< |
} |
250 |
> |
Thread t = new Thread(new CheckedRunnable() { |
251 |
> |
public void realRun() throws InterruptedException { |
252 |
> |
int added = 0; |
253 |
> |
try { |
254 |
> |
q.put(new Object()); |
255 |
> |
++added; |
256 |
> |
q.put(new Object()); |
257 |
> |
++added; |
258 |
> |
q.put(new Object()); |
259 |
> |
++added; |
260 |
> |
q.put(new Object()); |
261 |
> |
++added; |
262 |
> |
threadShouldThrow(); |
263 |
> |
} catch (InterruptedException success) { |
264 |
> |
assertTrue(added >= 1); |
265 |
|
} |
266 |
< |
}); |
267 |
< |
try { |
268 |
< |
t.start(); |
269 |
< |
Thread.sleep(SHORT_DELAY_MS); |
270 |
< |
q.take(); |
271 |
< |
Thread.sleep(SHORT_DELAY_MS); |
272 |
< |
t.interrupt(); |
273 |
< |
t.join(); |
320 |
< |
} catch (Exception e){ |
321 |
< |
unexpectedException(); |
322 |
< |
} |
266 |
> |
}}); |
267 |
> |
|
268 |
> |
t.start(); |
269 |
> |
Thread.sleep(SHORT_DELAY_MS); |
270 |
> |
q.take(); |
271 |
> |
Thread.sleep(SHORT_DELAY_MS); |
272 |
> |
t.interrupt(); |
273 |
> |
t.join(); |
274 |
|
} |
275 |
|
|
276 |
|
/** |
277 |
|
* timed offer times out if elements not taken |
278 |
|
*/ |
279 |
< |
public void testFairTimedOffer() { |
279 |
> |
public void testFairTimedOffer() throws InterruptedException { |
280 |
|
final SynchronousQueue q = new SynchronousQueue(true); |
281 |
< |
Thread t = new Thread(new Runnable() { |
282 |
< |
public void run() { |
283 |
< |
try { |
284 |
< |
|
285 |
< |
threadAssertFalse(q.offer(new Object(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
286 |
< |
q.offer(new Object(), LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
287 |
< |
threadShouldThrow(); |
288 |
< |
} catch (InterruptedException success){} |
289 |
< |
} |
290 |
< |
}); |
340 |
< |
|
341 |
< |
try { |
342 |
< |
t.start(); |
343 |
< |
Thread.sleep(SMALL_DELAY_MS); |
344 |
< |
t.interrupt(); |
345 |
< |
t.join(); |
346 |
< |
} catch (Exception e){ |
347 |
< |
unexpectedException(); |
348 |
< |
} |
281 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
282 |
> |
public void realRun() throws InterruptedException { |
283 |
> |
threadAssertFalse(q.offer(new Object(), SHORT_DELAY_MS, MILLISECONDS)); |
284 |
> |
q.offer(new Object(), LONG_DELAY_MS, MILLISECONDS); |
285 |
> |
}}); |
286 |
> |
|
287 |
> |
t.start(); |
288 |
> |
Thread.sleep(SMALL_DELAY_MS); |
289 |
> |
t.interrupt(); |
290 |
> |
t.join(); |
291 |
|
} |
292 |
|
|
293 |
|
|
294 |
|
/** |
295 |
|
* take blocks interruptibly when empty |
296 |
|
*/ |
297 |
< |
public void testFairTakeFromEmpty() { |
297 |
> |
public void testFairTakeFromEmpty() throws InterruptedException { |
298 |
|
final SynchronousQueue q = new SynchronousQueue(true); |
299 |
< |
Thread t = new Thread(new Runnable() { |
300 |
< |
public void run() { |
301 |
< |
try { |
302 |
< |
q.take(); |
303 |
< |
threadShouldThrow(); |
304 |
< |
} catch (InterruptedException success){ } |
305 |
< |
} |
306 |
< |
}); |
307 |
< |
try { |
366 |
< |
t.start(); |
367 |
< |
Thread.sleep(SHORT_DELAY_MS); |
368 |
< |
t.interrupt(); |
369 |
< |
t.join(); |
370 |
< |
} catch (Exception e){ |
371 |
< |
unexpectedException(); |
372 |
< |
} |
299 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
300 |
> |
public void realRun() throws InterruptedException { |
301 |
> |
q.take(); |
302 |
> |
}}); |
303 |
> |
|
304 |
> |
t.start(); |
305 |
> |
Thread.sleep(SHORT_DELAY_MS); |
306 |
> |
t.interrupt(); |
307 |
> |
t.join(); |
308 |
|
} |
309 |
|
|
310 |
|
/** |
312 |
|
*/ |
313 |
|
public void testPoll() { |
314 |
|
SynchronousQueue q = new SynchronousQueue(); |
315 |
< |
assertNull(q.poll()); |
315 |
> |
assertNull(q.poll()); |
316 |
|
} |
317 |
|
|
318 |
|
/** |
319 |
|
* timed pool with zero timeout times out if no active taker |
320 |
|
*/ |
321 |
< |
public void testTimedPoll0() { |
322 |
< |
try { |
323 |
< |
SynchronousQueue q = new SynchronousQueue(); |
389 |
< |
assertNull(q.poll(0, TimeUnit.MILLISECONDS)); |
390 |
< |
} catch (InterruptedException e){ |
391 |
< |
unexpectedException(); |
392 |
< |
} |
321 |
> |
public void testTimedPoll0() throws InterruptedException { |
322 |
> |
SynchronousQueue q = new SynchronousQueue(); |
323 |
> |
assertNull(q.poll(0, MILLISECONDS)); |
324 |
|
} |
325 |
|
|
326 |
|
/** |
327 |
|
* timed pool with nonzero timeout times out if no active taker |
328 |
|
*/ |
329 |
< |
public void testTimedPoll() { |
330 |
< |
try { |
331 |
< |
SynchronousQueue q = new SynchronousQueue(); |
401 |
< |
assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
402 |
< |
} catch (InterruptedException e){ |
403 |
< |
unexpectedException(); |
404 |
< |
} |
329 |
> |
public void testTimedPoll() throws InterruptedException { |
330 |
> |
SynchronousQueue q = new SynchronousQueue(); |
331 |
> |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
332 |
|
} |
333 |
|
|
334 |
|
/** |
335 |
|
* Interrupted timed poll throws InterruptedException instead of |
336 |
|
* returning timeout status |
337 |
|
*/ |
338 |
< |
public void testInterruptedTimedPoll() { |
339 |
< |
Thread t = new Thread(new Runnable() { |
340 |
< |
public void run() { |
341 |
< |
try { |
342 |
< |
SynchronousQueue q = new SynchronousQueue(); |
343 |
< |
assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
344 |
< |
} catch (InterruptedException success){ |
345 |
< |
} |
346 |
< |
}}); |
347 |
< |
t.start(); |
348 |
< |
try { |
422 |
< |
Thread.sleep(SHORT_DELAY_MS); |
423 |
< |
t.interrupt(); |
424 |
< |
t.join(); |
425 |
< |
} |
426 |
< |
catch (InterruptedException ie) { |
427 |
< |
unexpectedException(); |
428 |
< |
} |
338 |
> |
public void testInterruptedTimedPoll() throws InterruptedException { |
339 |
> |
final SynchronousQueue q = new SynchronousQueue(); |
340 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
341 |
> |
public void realRun() throws InterruptedException { |
342 |
> |
q.poll(SMALL_DELAY_MS, MILLISECONDS); |
343 |
> |
}}); |
344 |
> |
|
345 |
> |
t.start(); |
346 |
> |
Thread.sleep(SHORT_DELAY_MS); |
347 |
> |
t.interrupt(); |
348 |
> |
t.join(); |
349 |
|
} |
350 |
|
|
351 |
|
/** |
352 |
|
* timed poll before a delayed offer fails; after offer succeeds; |
353 |
|
* on interruption throws |
354 |
|
*/ |
355 |
< |
public void testTimedPollWithOffer() { |
355 |
> |
public void testTimedPollWithOffer() throws InterruptedException { |
356 |
|
final SynchronousQueue q = new SynchronousQueue(); |
357 |
< |
Thread t = new Thread(new Runnable() { |
358 |
< |
public void run() { |
359 |
< |
try { |
360 |
< |
threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
361 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
362 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
363 |
< |
threadShouldThrow(); |
364 |
< |
} catch (InterruptedException success) { } |
365 |
< |
} |
366 |
< |
}); |
367 |
< |
try { |
368 |
< |
t.start(); |
369 |
< |
Thread.sleep(SMALL_DELAY_MS); |
370 |
< |
assertTrue(q.offer(zero, SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
371 |
< |
t.interrupt(); |
372 |
< |
t.join(); |
453 |
< |
} catch (Exception e){ |
454 |
< |
unexpectedException(); |
455 |
< |
} |
456 |
< |
} |
357 |
> |
Thread t = new Thread(new CheckedRunnable() { |
358 |
> |
public void realRun() throws InterruptedException { |
359 |
> |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
360 |
> |
assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
361 |
> |
try { |
362 |
> |
q.poll(LONG_DELAY_MS, MILLISECONDS); |
363 |
> |
shouldThrow(); |
364 |
> |
} catch (InterruptedException success) {} |
365 |
> |
}}); |
366 |
> |
|
367 |
> |
t.start(); |
368 |
> |
Thread.sleep(SMALL_DELAY_MS); |
369 |
> |
assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS)); |
370 |
> |
t.interrupt(); |
371 |
> |
t.join(); |
372 |
> |
} |
373 |
|
|
374 |
|
/** |
375 |
|
* Interrupted timed poll throws InterruptedException instead of |
376 |
|
* returning timeout status |
377 |
|
*/ |
378 |
< |
public void testFairInterruptedTimedPoll() { |
379 |
< |
Thread t = new Thread(new Runnable() { |
380 |
< |
public void run() { |
381 |
< |
try { |
382 |
< |
SynchronousQueue q = new SynchronousQueue(true); |
383 |
< |
assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
384 |
< |
} catch (InterruptedException success){ |
385 |
< |
} |
386 |
< |
}}); |
387 |
< |
t.start(); |
388 |
< |
try { |
473 |
< |
Thread.sleep(SHORT_DELAY_MS); |
474 |
< |
t.interrupt(); |
475 |
< |
t.join(); |
476 |
< |
} |
477 |
< |
catch (InterruptedException ie) { |
478 |
< |
unexpectedException(); |
479 |
< |
} |
378 |
> |
public void testFairInterruptedTimedPoll() throws InterruptedException { |
379 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
380 |
> |
public void realRun() throws InterruptedException { |
381 |
> |
SynchronousQueue q = new SynchronousQueue(true); |
382 |
> |
q.poll(SMALL_DELAY_MS, MILLISECONDS); |
383 |
> |
}}); |
384 |
> |
|
385 |
> |
t.start(); |
386 |
> |
Thread.sleep(SHORT_DELAY_MS); |
387 |
> |
t.interrupt(); |
388 |
> |
t.join(); |
389 |
|
} |
390 |
|
|
391 |
|
/** |
392 |
|
* timed poll before a delayed offer fails; after offer succeeds; |
393 |
|
* on interruption throws |
394 |
|
*/ |
395 |
< |
public void testFairTimedPollWithOffer() { |
395 |
> |
public void testFairTimedPollWithOffer() throws InterruptedException { |
396 |
|
final SynchronousQueue q = new SynchronousQueue(true); |
397 |
< |
Thread t = new Thread(new Runnable() { |
398 |
< |
public void run() { |
399 |
< |
try { |
400 |
< |
threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
401 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
402 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
403 |
< |
threadShouldThrow(); |
404 |
< |
} catch (InterruptedException success) { } |
405 |
< |
} |
406 |
< |
}); |
407 |
< |
try { |
408 |
< |
t.start(); |
409 |
< |
Thread.sleep(SMALL_DELAY_MS); |
410 |
< |
assertTrue(q.offer(zero, SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
411 |
< |
t.interrupt(); |
412 |
< |
t.join(); |
504 |
< |
} catch (Exception e){ |
505 |
< |
unexpectedException(); |
506 |
< |
} |
507 |
< |
} |
397 |
> |
Thread t = new Thread(new CheckedRunnable() { |
398 |
> |
public void realRun() throws InterruptedException { |
399 |
> |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
400 |
> |
assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
401 |
> |
try { |
402 |
> |
q.poll(LONG_DELAY_MS, MILLISECONDS); |
403 |
> |
threadShouldThrow(); |
404 |
> |
} catch (InterruptedException success) {} |
405 |
> |
}}); |
406 |
> |
|
407 |
> |
t.start(); |
408 |
> |
Thread.sleep(SMALL_DELAY_MS); |
409 |
> |
assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS)); |
410 |
> |
t.interrupt(); |
411 |
> |
t.join(); |
412 |
> |
} |
413 |
|
|
414 |
|
|
415 |
|
/** |
417 |
|
*/ |
418 |
|
public void testPeek() { |
419 |
|
SynchronousQueue q = new SynchronousQueue(); |
420 |
< |
assertNull(q.peek()); |
420 |
> |
assertNull(q.peek()); |
421 |
|
} |
422 |
|
|
423 |
|
/** |
428 |
|
try { |
429 |
|
q.element(); |
430 |
|
shouldThrow(); |
431 |
< |
} |
527 |
< |
catch (NoSuchElementException success) {} |
431 |
> |
} catch (NoSuchElementException success) {} |
432 |
|
} |
433 |
|
|
434 |
|
/** |
439 |
|
try { |
440 |
|
q.remove(); |
441 |
|
shouldThrow(); |
442 |
< |
} catch (NoSuchElementException success){ |
539 |
< |
} |
442 |
> |
} catch (NoSuchElementException success) {} |
443 |
|
} |
444 |
|
|
445 |
|
/** |
450 |
|
assertFalse(q.remove(zero)); |
451 |
|
assertTrue(q.isEmpty()); |
452 |
|
} |
453 |
< |
|
453 |
> |
|
454 |
|
/** |
455 |
|
* contains returns false |
456 |
|
*/ |
507 |
|
*/ |
508 |
|
public void testToArray() { |
509 |
|
SynchronousQueue q = new SynchronousQueue(); |
510 |
< |
Object[] o = q.toArray(); |
510 |
> |
Object[] o = q.toArray(); |
511 |
|
assertEquals(o.length, 0); |
512 |
|
} |
513 |
|
|
516 |
|
*/ |
517 |
|
public void testToArray2() { |
518 |
|
SynchronousQueue q = new SynchronousQueue(); |
519 |
< |
Integer[] ints = new Integer[1]; |
519 |
> |
Integer[] ints = new Integer[1]; |
520 |
|
assertNull(ints[0]); |
521 |
|
} |
522 |
< |
|
522 |
> |
|
523 |
|
/** |
524 |
|
* toArray(null) throws NPE |
525 |
|
*/ |
526 |
|
public void testToArray_BadArg() { |
527 |
< |
try { |
528 |
< |
SynchronousQueue q = new SynchronousQueue(); |
529 |
< |
Object o[] = q.toArray(null); |
530 |
< |
shouldThrow(); |
531 |
< |
} catch(NullPointerException success){} |
527 |
> |
SynchronousQueue q = new SynchronousQueue(); |
528 |
> |
try { |
529 |
> |
Object o[] = q.toArray(null); |
530 |
> |
shouldThrow(); |
531 |
> |
} catch (NullPointerException success) {} |
532 |
|
} |
533 |
|
|
534 |
|
|
537 |
|
*/ |
538 |
|
public void testIterator() { |
539 |
|
SynchronousQueue q = new SynchronousQueue(); |
540 |
< |
Iterator it = q.iterator(); |
540 |
> |
Iterator it = q.iterator(); |
541 |
|
assertFalse(it.hasNext()); |
542 |
|
try { |
543 |
|
Object x = it.next(); |
544 |
|
shouldThrow(); |
545 |
< |
} |
643 |
< |
catch (NoSuchElementException success) {} |
545 |
> |
} catch (NoSuchElementException success) {} |
546 |
|
} |
547 |
|
|
548 |
|
/** |
550 |
|
*/ |
551 |
|
public void testIteratorRemove() { |
552 |
|
SynchronousQueue q = new SynchronousQueue(); |
553 |
< |
Iterator it = q.iterator(); |
553 |
> |
Iterator it = q.iterator(); |
554 |
|
try { |
555 |
|
it.remove(); |
556 |
|
shouldThrow(); |
557 |
< |
} |
656 |
< |
catch (IllegalStateException success) {} |
557 |
> |
} catch (IllegalStateException success) {} |
558 |
|
} |
559 |
|
|
560 |
|
/** |
564 |
|
SynchronousQueue q = new SynchronousQueue(); |
565 |
|
String s = q.toString(); |
566 |
|
assertNotNull(s); |
567 |
< |
} |
567 |
> |
} |
568 |
|
|
569 |
|
|
570 |
|
/** |
575 |
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
576 |
|
final Integer one = new Integer(1); |
577 |
|
|
578 |
< |
executor.execute(new Runnable() { |
579 |
< |
public void run() { |
578 |
> |
executor.execute(new CheckedRunnable() { |
579 |
> |
public void realRun() throws InterruptedException { |
580 |
|
threadAssertFalse(q.offer(one)); |
581 |
< |
try { |
582 |
< |
threadAssertTrue(q.offer(one, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS)); |
583 |
< |
threadAssertEquals(0, q.remainingCapacity()); |
584 |
< |
} |
585 |
< |
catch (InterruptedException e) { |
586 |
< |
threadUnexpectedException(); |
587 |
< |
} |
588 |
< |
} |
589 |
< |
}); |
581 |
> |
threadAssertTrue(q.offer(one, MEDIUM_DELAY_MS, MILLISECONDS)); |
582 |
> |
threadAssertEquals(0, q.remainingCapacity()); |
583 |
> |
}}); |
584 |
> |
|
585 |
> |
executor.execute(new CheckedRunnable() { |
586 |
> |
public void realRun() throws InterruptedException { |
587 |
> |
Thread.sleep(SMALL_DELAY_MS); |
588 |
> |
threadAssertEquals(one, q.take()); |
589 |
> |
}}); |
590 |
|
|
690 |
– |
executor.execute(new Runnable() { |
691 |
– |
public void run() { |
692 |
– |
try { |
693 |
– |
Thread.sleep(SMALL_DELAY_MS); |
694 |
– |
threadAssertEquals(one, q.take()); |
695 |
– |
} |
696 |
– |
catch (InterruptedException e) { |
697 |
– |
threadUnexpectedException(); |
698 |
– |
} |
699 |
– |
} |
700 |
– |
}); |
701 |
– |
|
591 |
|
joinPool(executor); |
592 |
|
|
593 |
|
} |
598 |
|
public void testPollInExecutor() { |
599 |
|
final SynchronousQueue q = new SynchronousQueue(); |
600 |
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
601 |
< |
executor.execute(new Runnable() { |
602 |
< |
public void run() { |
601 |
> |
executor.execute(new CheckedRunnable() { |
602 |
> |
public void realRun() throws InterruptedException { |
603 |
|
threadAssertNull(q.poll()); |
604 |
< |
try { |
605 |
< |
threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS)); |
606 |
< |
threadAssertTrue(q.isEmpty()); |
607 |
< |
} |
608 |
< |
catch (InterruptedException e) { |
609 |
< |
threadUnexpectedException(); |
610 |
< |
} |
611 |
< |
} |
612 |
< |
}); |
604 |
> |
threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, MILLISECONDS)); |
605 |
> |
threadAssertTrue(q.isEmpty()); |
606 |
> |
}}); |
607 |
> |
|
608 |
> |
executor.execute(new CheckedRunnable() { |
609 |
> |
public void realRun() throws InterruptedException { |
610 |
> |
Thread.sleep(SMALL_DELAY_MS); |
611 |
> |
q.put(new Integer(1)); |
612 |
> |
}}); |
613 |
|
|
725 |
– |
executor.execute(new Runnable() { |
726 |
– |
public void run() { |
727 |
– |
try { |
728 |
– |
Thread.sleep(SMALL_DELAY_MS); |
729 |
– |
q.put(new Integer(1)); |
730 |
– |
} |
731 |
– |
catch (InterruptedException e) { |
732 |
– |
threadUnexpectedException(); |
733 |
– |
} |
734 |
– |
} |
735 |
– |
}); |
736 |
– |
|
614 |
|
joinPool(executor); |
615 |
|
} |
616 |
|
|
617 |
|
/** |
618 |
|
* a deserialized serialized queue is usable |
619 |
|
*/ |
620 |
< |
public void testSerialization() { |
620 |
> |
public void testSerialization() throws Exception { |
621 |
|
SynchronousQueue q = new SynchronousQueue(); |
622 |
< |
try { |
623 |
< |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
624 |
< |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
625 |
< |
out.writeObject(q); |
626 |
< |
out.close(); |
627 |
< |
|
628 |
< |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
629 |
< |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
630 |
< |
SynchronousQueue r = (SynchronousQueue)in.readObject(); |
631 |
< |
assertEquals(q.size(), r.size()); |
632 |
< |
while (!q.isEmpty()) |
756 |
< |
assertEquals(q.remove(), r.remove()); |
757 |
< |
} catch(Exception e){ |
758 |
< |
e.printStackTrace(); |
759 |
< |
unexpectedException(); |
760 |
< |
} |
622 |
> |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
623 |
> |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
624 |
> |
out.writeObject(q); |
625 |
> |
out.close(); |
626 |
> |
|
627 |
> |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
628 |
> |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
629 |
> |
SynchronousQueue r = (SynchronousQueue)in.readObject(); |
630 |
> |
assertEquals(q.size(), r.size()); |
631 |
> |
while (!q.isEmpty()) |
632 |
> |
assertEquals(q.remove(), r.remove()); |
633 |
|
} |
634 |
|
|
635 |
|
/** |
636 |
|
* drainTo(null) throws NPE |
637 |
< |
*/ |
637 |
> |
*/ |
638 |
|
public void testDrainToNull() { |
639 |
|
SynchronousQueue q = new SynchronousQueue(); |
640 |
|
try { |
641 |
|
q.drainTo(null); |
642 |
|
shouldThrow(); |
643 |
< |
} catch(NullPointerException success) { |
772 |
< |
} |
643 |
> |
} catch (NullPointerException success) {} |
644 |
|
} |
645 |
|
|
646 |
|
/** |
647 |
|
* drainTo(this) throws IAE |
648 |
< |
*/ |
648 |
> |
*/ |
649 |
|
public void testDrainToSelf() { |
650 |
|
SynchronousQueue q = new SynchronousQueue(); |
651 |
|
try { |
652 |
|
q.drainTo(q); |
653 |
|
shouldThrow(); |
654 |
< |
} catch(IllegalArgumentException success) { |
784 |
< |
} |
654 |
> |
} catch (IllegalArgumentException success) {} |
655 |
|
} |
656 |
|
|
657 |
|
/** |
658 |
|
* drainTo(c) of empty queue doesn't transfer elements |
659 |
< |
*/ |
659 |
> |
*/ |
660 |
|
public void testDrainTo() { |
661 |
|
SynchronousQueue q = new SynchronousQueue(); |
662 |
|
ArrayList l = new ArrayList(); |
667 |
|
|
668 |
|
/** |
669 |
|
* drainTo empties queue, unblocking a waiting put. |
670 |
< |
*/ |
671 |
< |
public void testDrainToWithActivePut() { |
670 |
> |
*/ |
671 |
> |
public void testDrainToWithActivePut() throws InterruptedException { |
672 |
|
final SynchronousQueue q = new SynchronousQueue(); |
673 |
< |
Thread t = new Thread(new Runnable() { |
674 |
< |
public void run() { |
675 |
< |
try { |
676 |
< |
q.put(new Integer(1)); |
677 |
< |
} catch (InterruptedException ie){ |
678 |
< |
threadUnexpectedException(); |
679 |
< |
} |
680 |
< |
} |
681 |
< |
}); |
682 |
< |
try { |
683 |
< |
t.start(); |
684 |
< |
ArrayList l = new ArrayList(); |
685 |
< |
Thread.sleep(SHORT_DELAY_MS); |
686 |
< |
q.drainTo(l); |
817 |
< |
assertTrue(l.size() <= 1); |
818 |
< |
if (l.size() > 0) |
819 |
< |
assertEquals(l.get(0), new Integer(1)); |
820 |
< |
t.join(); |
821 |
< |
assertTrue(l.size() <= 1); |
822 |
< |
} catch(Exception e){ |
823 |
< |
unexpectedException(); |
824 |
< |
} |
673 |
> |
Thread t = new Thread(new CheckedRunnable() { |
674 |
> |
public void realRun() throws InterruptedException { |
675 |
> |
q.put(new Integer(1)); |
676 |
> |
}}); |
677 |
> |
|
678 |
> |
t.start(); |
679 |
> |
ArrayList l = new ArrayList(); |
680 |
> |
Thread.sleep(SHORT_DELAY_MS); |
681 |
> |
q.drainTo(l); |
682 |
> |
assertTrue(l.size() <= 1); |
683 |
> |
if (l.size() > 0) |
684 |
> |
assertEquals(l.get(0), new Integer(1)); |
685 |
> |
t.join(); |
686 |
> |
assertTrue(l.size() <= 1); |
687 |
|
} |
688 |
|
|
689 |
|
/** |
690 |
|
* drainTo(null, n) throws NPE |
691 |
< |
*/ |
691 |
> |
*/ |
692 |
|
public void testDrainToNullN() { |
693 |
|
SynchronousQueue q = new SynchronousQueue(); |
694 |
|
try { |
695 |
|
q.drainTo(null, 0); |
696 |
|
shouldThrow(); |
697 |
< |
} catch(NullPointerException success) { |
836 |
< |
} |
697 |
> |
} catch (NullPointerException success) {} |
698 |
|
} |
699 |
|
|
700 |
|
/** |
701 |
|
* drainTo(this, n) throws IAE |
702 |
< |
*/ |
702 |
> |
*/ |
703 |
|
public void testDrainToSelfN() { |
704 |
|
SynchronousQueue q = new SynchronousQueue(); |
705 |
|
try { |
706 |
|
q.drainTo(q, 0); |
707 |
|
shouldThrow(); |
708 |
< |
} catch(IllegalArgumentException success) { |
848 |
< |
} |
708 |
> |
} catch (IllegalArgumentException success) {} |
709 |
|
} |
710 |
|
|
711 |
|
/** |
712 |
|
* drainTo(c, n) empties up to n elements of queue into c |
713 |
< |
*/ |
714 |
< |
public void testDrainToN() { |
713 |
> |
*/ |
714 |
> |
public void testDrainToN() throws InterruptedException { |
715 |
|
final SynchronousQueue q = new SynchronousQueue(); |
716 |
< |
Thread t1 = new Thread(new Runnable() { |
717 |
< |
public void run() { |
718 |
< |
try { |
719 |
< |
q.put(one); |
720 |
< |
} catch (InterruptedException ie){ |
721 |
< |
threadUnexpectedException(); |
722 |
< |
} |
723 |
< |
} |
724 |
< |
}); |
865 |
< |
Thread t2 = new Thread(new Runnable() { |
866 |
< |
public void run() { |
867 |
< |
try { |
868 |
< |
q.put(two); |
869 |
< |
} catch (InterruptedException ie){ |
870 |
< |
threadUnexpectedException(); |
871 |
< |
} |
872 |
< |
} |
873 |
< |
}); |
716 |
> |
Thread t1 = new Thread(new CheckedRunnable() { |
717 |
> |
public void realRun() throws InterruptedException { |
718 |
> |
q.put(one); |
719 |
> |
}}); |
720 |
> |
|
721 |
> |
Thread t2 = new Thread(new CheckedRunnable() { |
722 |
> |
public void realRun() throws InterruptedException { |
723 |
> |
q.put(two); |
724 |
> |
}}); |
725 |
|
|
726 |
< |
try { |
727 |
< |
t1.start(); |
728 |
< |
t2.start(); |
729 |
< |
ArrayList l = new ArrayList(); |
730 |
< |
Thread.sleep(SHORT_DELAY_MS); |
731 |
< |
q.drainTo(l, 1); |
732 |
< |
assertTrue(l.size() == 1); |
733 |
< |
q.drainTo(l, 1); |
734 |
< |
assertTrue(l.size() == 2); |
735 |
< |
assertTrue(l.contains(one)); |
736 |
< |
assertTrue(l.contains(two)); |
737 |
< |
t1.join(); |
887 |
< |
t2.join(); |
888 |
< |
} catch(Exception e){ |
889 |
< |
unexpectedException(); |
890 |
< |
} |
726 |
> |
t1.start(); |
727 |
> |
t2.start(); |
728 |
> |
ArrayList l = new ArrayList(); |
729 |
> |
Thread.sleep(SHORT_DELAY_MS); |
730 |
> |
q.drainTo(l, 1); |
731 |
> |
assertTrue(l.size() == 1); |
732 |
> |
q.drainTo(l, 1); |
733 |
> |
assertTrue(l.size() == 2); |
734 |
> |
assertTrue(l.contains(one)); |
735 |
> |
assertTrue(l.contains(two)); |
736 |
> |
t1.join(); |
737 |
> |
t2.join(); |
738 |
|
} |
739 |
|
|
893 |
– |
|
740 |
|
} |