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; |
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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 |
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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 |
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return new TestSuite(SynchronousQueueTest.class); |
22 |
> |
return new TestSuite(SynchronousQueueTest.class); |
23 |
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} |
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|
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/** |
28 |
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public void testEmptyFull() { |
29 |
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SynchronousQueue q = new SynchronousQueue(); |
30 |
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assertTrue(q.isEmpty()); |
31 |
< |
assertEquals(0, q.size()); |
31 |
> |
assertEquals(0, q.size()); |
32 |
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assertEquals(0, q.remainingCapacity()); |
33 |
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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 |
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assertFalse(q.offer(zero)); |
45 |
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} |
48 |
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* offer(null) throws NPE |
49 |
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*/ |
50 |
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public void testOfferNull() { |
51 |
< |
try { |
51 |
> |
try { |
52 |
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SynchronousQueue q = new SynchronousQueue(); |
53 |
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q.offer(null); |
54 |
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shouldThrow(); |
55 |
< |
} catch (NullPointerException success) { } |
55 |
> |
} catch (NullPointerException success) {} |
56 |
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} |
57 |
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|
58 |
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/** |
59 |
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* add(null) throws NPE |
60 |
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*/ |
61 |
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public void testAddNull() { |
62 |
< |
try { |
62 |
> |
try { |
63 |
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SynchronousQueue q = new SynchronousQueue(); |
64 |
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q.add(null); |
65 |
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shouldThrow(); |
66 |
< |
} catch (NullPointerException success) { } |
66 |
> |
} catch (NullPointerException success) {} |
67 |
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} |
68 |
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|
69 |
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/** |
78 |
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* add throws ISE if no active taker |
79 |
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*/ |
80 |
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public void testAdd() { |
81 |
< |
try { |
81 |
> |
try { |
82 |
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SynchronousQueue q = new SynchronousQueue(); |
83 |
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assertEquals(0, q.remainingCapacity()); |
84 |
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q.add(one); |
85 |
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shouldThrow(); |
86 |
< |
} catch (IllegalStateException success){ |
86 |
< |
} |
86 |
> |
} catch (IllegalStateException success) {} |
87 |
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} |
88 |
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|
89 |
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/** |
94 |
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SynchronousQueue q = new SynchronousQueue(); |
95 |
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q.addAll(null); |
96 |
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shouldThrow(); |
97 |
< |
} |
98 |
< |
catch (NullPointerException success) {} |
97 |
> |
} catch (NullPointerException success) {} |
98 |
|
} |
99 |
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|
100 |
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/** |
105 |
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SynchronousQueue q = new SynchronousQueue(); |
106 |
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q.addAll(q); |
107 |
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shouldThrow(); |
108 |
< |
} |
110 |
< |
catch (IllegalArgumentException success) {} |
108 |
> |
} catch (IllegalArgumentException success) {} |
109 |
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} |
110 |
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|
111 |
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/** |
117 |
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Integer[] ints = new Integer[1]; |
118 |
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q.addAll(Arrays.asList(ints)); |
119 |
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shouldThrow(); |
120 |
< |
} |
123 |
< |
catch (NullPointerException success) {} |
120 |
> |
} catch (NullPointerException success) {} |
121 |
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} |
122 |
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/** |
123 |
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* 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 |
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|
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 |
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|
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(); |
166 |
< |
} catch (InterruptedException ie){ |
167 |
< |
} |
168 |
< |
}}); |
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 |
< |
try { |
159 |
< |
Thread.sleep(SHORT_DELAY_MS); |
160 |
< |
t.interrupt(); |
173 |
< |
t.join(); |
174 |
< |
} |
175 |
< |
catch (InterruptedException ie) { |
176 |
< |
unexpectedException(); |
177 |
< |
} |
158 |
> |
Thread.sleep(SHORT_DELAY_MS); |
159 |
> |
t.interrupt(); |
160 |
> |
t.join(); |
161 |
|
} |
162 |
|
|
163 |
|
/** |
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; |
191 |
< |
q.put(new Object()); |
192 |
< |
++added; |
193 |
< |
q.put(new Object()); |
194 |
< |
++added; |
195 |
< |
q.put(new Object()); |
168 |
> |
Thread t = new Thread(new CheckedRunnable() { |
169 |
> |
public void realRun() throws InterruptedException { |
170 |
> |
int added = 0; |
171 |
> |
try { |
172 |
> |
while (true) { |
173 |
> |
q.put(added); |
174 |
|
++added; |
197 |
– |
threadShouldThrow(); |
198 |
– |
} catch (InterruptedException e){ |
199 |
– |
assertTrue(added >= 1); |
175 |
|
} |
176 |
+ |
} catch (InterruptedException success) { |
177 |
+ |
assertTrue(added == 1); |
178 |
|
} |
179 |
< |
}); |
180 |
< |
try { |
181 |
< |
t.start(); |
182 |
< |
Thread.sleep(SHORT_DELAY_MS); |
183 |
< |
q.take(); |
184 |
< |
Thread.sleep(SHORT_DELAY_MS); |
185 |
< |
t.interrupt(); |
186 |
< |
t.join(); |
210 |
< |
} catch (Exception e){ |
211 |
< |
unexpectedException(); |
212 |
< |
} |
179 |
> |
}}); |
180 |
> |
|
181 |
> |
t.start(); |
182 |
> |
Thread.sleep(SHORT_DELAY_MS); |
183 |
> |
assertEquals(0, q.take()); |
184 |
> |
Thread.sleep(SHORT_DELAY_MS); |
185 |
> |
t.interrupt(); |
186 |
> |
t.join(); |
187 |
|
} |
188 |
|
|
189 |
|
/** |
190 |
|
* timed offer times out if elements not taken |
191 |
|
*/ |
192 |
< |
public void testTimedOffer() { |
192 |
> |
public void testTimedOffer() throws InterruptedException { |
193 |
|
final SynchronousQueue q = new SynchronousQueue(); |
194 |
< |
Thread t = new Thread(new Runnable() { |
195 |
< |
public void run() { |
196 |
< |
try { |
197 |
< |
|
198 |
< |
threadAssertFalse(q.offer(new Object(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
225 |
< |
q.offer(new Object(), LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
226 |
< |
threadShouldThrow(); |
227 |
< |
} catch (InterruptedException success){} |
228 |
< |
} |
229 |
< |
}); |
194 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
195 |
> |
public void realRun() throws InterruptedException { |
196 |
> |
assertFalse(q.offer(new Object(), SHORT_DELAY_MS, MILLISECONDS)); |
197 |
> |
q.offer(new Object(), LONG_DELAY_MS, MILLISECONDS); |
198 |
> |
}}); |
199 |
|
|
200 |
< |
try { |
201 |
< |
t.start(); |
202 |
< |
Thread.sleep(SMALL_DELAY_MS); |
203 |
< |
t.interrupt(); |
235 |
< |
t.join(); |
236 |
< |
} catch (Exception e){ |
237 |
< |
unexpectedException(); |
238 |
< |
} |
200 |
> |
t.start(); |
201 |
> |
Thread.sleep(SMALL_DELAY_MS); |
202 |
> |
t.interrupt(); |
203 |
> |
t.join(); |
204 |
|
} |
205 |
|
|
206 |
|
|
207 |
|
/** |
208 |
|
* take blocks interruptibly when empty |
209 |
|
*/ |
210 |
< |
public void testTakeFromEmpty() { |
210 |
> |
public void testTakeFromEmpty() throws InterruptedException { |
211 |
|
final SynchronousQueue q = new SynchronousQueue(); |
212 |
< |
Thread t = new Thread(new Runnable() { |
213 |
< |
public void run() { |
214 |
< |
try { |
215 |
< |
q.take(); |
216 |
< |
threadShouldThrow(); |
217 |
< |
} catch (InterruptedException success){ } |
218 |
< |
} |
219 |
< |
}); |
220 |
< |
try { |
256 |
< |
t.start(); |
257 |
< |
Thread.sleep(SHORT_DELAY_MS); |
258 |
< |
t.interrupt(); |
259 |
< |
t.join(); |
260 |
< |
} catch (Exception e){ |
261 |
< |
unexpectedException(); |
262 |
< |
} |
212 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
213 |
> |
public void realRun() throws InterruptedException { |
214 |
> |
q.take(); |
215 |
> |
}}); |
216 |
> |
|
217 |
> |
t.start(); |
218 |
> |
Thread.sleep(SHORT_DELAY_MS); |
219 |
> |
t.interrupt(); |
220 |
> |
t.join(); |
221 |
|
} |
222 |
|
|
223 |
|
|
224 |
|
/** |
225 |
|
* put blocks interruptibly if no active taker |
226 |
|
*/ |
227 |
< |
public void testFairBlockingPut() { |
228 |
< |
Thread t = new Thread(new Runnable() { |
229 |
< |
public void run() { |
230 |
< |
try { |
231 |
< |
SynchronousQueue q = new SynchronousQueue(true); |
232 |
< |
q.put(zero); |
233 |
< |
threadShouldThrow(); |
276 |
< |
} catch (InterruptedException ie){ |
277 |
< |
} |
278 |
< |
}}); |
227 |
> |
public void testFairBlockingPut() throws InterruptedException { |
228 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
229 |
> |
public void realRun() throws InterruptedException { |
230 |
> |
SynchronousQueue q = new SynchronousQueue(true); |
231 |
> |
q.put(zero); |
232 |
> |
}}); |
233 |
> |
|
234 |
|
t.start(); |
235 |
< |
try { |
236 |
< |
Thread.sleep(SHORT_DELAY_MS); |
237 |
< |
t.interrupt(); |
283 |
< |
t.join(); |
284 |
< |
} |
285 |
< |
catch (InterruptedException ie) { |
286 |
< |
unexpectedException(); |
287 |
< |
} |
235 |
> |
Thread.sleep(SHORT_DELAY_MS); |
236 |
> |
t.interrupt(); |
237 |
> |
t.join(); |
238 |
|
} |
239 |
|
|
240 |
|
/** |
241 |
|
* put blocks waiting for take |
242 |
|
*/ |
243 |
< |
public void testFairPutWithTake() { |
243 |
> |
public void testFairPutWithTake() throws InterruptedException { |
244 |
|
final SynchronousQueue q = new SynchronousQueue(true); |
245 |
< |
Thread t = new Thread(new Runnable() { |
246 |
< |
public void run() { |
247 |
< |
int added = 0; |
248 |
< |
try { |
249 |
< |
q.put(new Object()); |
250 |
< |
++added; |
301 |
< |
q.put(new Object()); |
302 |
< |
++added; |
303 |
< |
q.put(new Object()); |
304 |
< |
++added; |
305 |
< |
q.put(new Object()); |
245 |
> |
Thread t = new Thread(new CheckedRunnable() { |
246 |
> |
public void realRun() throws InterruptedException { |
247 |
> |
int added = 0; |
248 |
> |
try { |
249 |
> |
while (true) { |
250 |
> |
q.put(added); |
251 |
|
++added; |
307 |
– |
threadShouldThrow(); |
308 |
– |
} catch (InterruptedException e){ |
309 |
– |
assertTrue(added >= 1); |
252 |
|
} |
253 |
+ |
} catch (InterruptedException success) { |
254 |
+ |
assertTrue(added == 1); |
255 |
|
} |
256 |
< |
}); |
257 |
< |
try { |
258 |
< |
t.start(); |
259 |
< |
Thread.sleep(SHORT_DELAY_MS); |
260 |
< |
q.take(); |
261 |
< |
Thread.sleep(SHORT_DELAY_MS); |
262 |
< |
t.interrupt(); |
263 |
< |
t.join(); |
320 |
< |
} catch (Exception e){ |
321 |
< |
unexpectedException(); |
322 |
< |
} |
256 |
> |
}}); |
257 |
> |
|
258 |
> |
t.start(); |
259 |
> |
Thread.sleep(SHORT_DELAY_MS); |
260 |
> |
assertEquals(0, q.take()); |
261 |
> |
Thread.sleep(SHORT_DELAY_MS); |
262 |
> |
t.interrupt(); |
263 |
> |
t.join(); |
264 |
|
} |
265 |
|
|
266 |
|
/** |
267 |
|
* timed offer times out if elements not taken |
268 |
|
*/ |
269 |
< |
public void testFairTimedOffer() { |
269 |
> |
public void testFairTimedOffer() throws InterruptedException { |
270 |
|
final SynchronousQueue q = new SynchronousQueue(true); |
271 |
< |
Thread t = new Thread(new Runnable() { |
272 |
< |
public void run() { |
273 |
< |
try { |
274 |
< |
|
275 |
< |
threadAssertFalse(q.offer(new Object(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
335 |
< |
q.offer(new Object(), LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
336 |
< |
threadShouldThrow(); |
337 |
< |
} catch (InterruptedException success){} |
338 |
< |
} |
339 |
< |
}); |
271 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
272 |
> |
public void realRun() throws InterruptedException { |
273 |
> |
assertFalse(q.offer(new Object(), SHORT_DELAY_MS, MILLISECONDS)); |
274 |
> |
q.offer(new Object(), LONG_DELAY_MS, MILLISECONDS); |
275 |
> |
}}); |
276 |
|
|
277 |
< |
try { |
278 |
< |
t.start(); |
279 |
< |
Thread.sleep(SMALL_DELAY_MS); |
280 |
< |
t.interrupt(); |
345 |
< |
t.join(); |
346 |
< |
} catch (Exception e){ |
347 |
< |
unexpectedException(); |
348 |
< |
} |
277 |
> |
t.start(); |
278 |
> |
Thread.sleep(SMALL_DELAY_MS); |
279 |
> |
t.interrupt(); |
280 |
> |
t.join(); |
281 |
|
} |
282 |
|
|
283 |
|
|
284 |
|
/** |
285 |
|
* take blocks interruptibly when empty |
286 |
|
*/ |
287 |
< |
public void testFairTakeFromEmpty() { |
287 |
> |
public void testFairTakeFromEmpty() throws InterruptedException { |
288 |
|
final SynchronousQueue q = new SynchronousQueue(true); |
289 |
< |
Thread t = new Thread(new Runnable() { |
290 |
< |
public void run() { |
291 |
< |
try { |
292 |
< |
q.take(); |
293 |
< |
threadShouldThrow(); |
294 |
< |
} catch (InterruptedException success){ } |
295 |
< |
} |
296 |
< |
}); |
297 |
< |
try { |
366 |
< |
t.start(); |
367 |
< |
Thread.sleep(SHORT_DELAY_MS); |
368 |
< |
t.interrupt(); |
369 |
< |
t.join(); |
370 |
< |
} catch (Exception e){ |
371 |
< |
unexpectedException(); |
372 |
< |
} |
289 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
290 |
> |
public void realRun() throws InterruptedException { |
291 |
> |
q.take(); |
292 |
> |
}}); |
293 |
> |
|
294 |
> |
t.start(); |
295 |
> |
Thread.sleep(SHORT_DELAY_MS); |
296 |
> |
t.interrupt(); |
297 |
> |
t.join(); |
298 |
|
} |
299 |
|
|
300 |
|
/** |
302 |
|
*/ |
303 |
|
public void testPoll() { |
304 |
|
SynchronousQueue q = new SynchronousQueue(); |
305 |
< |
assertNull(q.poll()); |
305 |
> |
assertNull(q.poll()); |
306 |
|
} |
307 |
|
|
308 |
|
/** |
309 |
|
* timed pool with zero timeout times out if no active taker |
310 |
|
*/ |
311 |
< |
public void testTimedPoll0() { |
312 |
< |
try { |
313 |
< |
SynchronousQueue q = new SynchronousQueue(); |
389 |
< |
assertNull(q.poll(0, TimeUnit.MILLISECONDS)); |
390 |
< |
} catch (InterruptedException e){ |
391 |
< |
unexpectedException(); |
392 |
< |
} |
311 |
> |
public void testTimedPoll0() throws InterruptedException { |
312 |
> |
SynchronousQueue q = new SynchronousQueue(); |
313 |
> |
assertNull(q.poll(0, MILLISECONDS)); |
314 |
|
} |
315 |
|
|
316 |
|
/** |
317 |
|
* timed pool with nonzero timeout times out if no active taker |
318 |
|
*/ |
319 |
< |
public void testTimedPoll() { |
320 |
< |
try { |
321 |
< |
SynchronousQueue q = new SynchronousQueue(); |
401 |
< |
assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
402 |
< |
} catch (InterruptedException e){ |
403 |
< |
unexpectedException(); |
404 |
< |
} |
319 |
> |
public void testTimedPoll() throws InterruptedException { |
320 |
> |
SynchronousQueue q = new SynchronousQueue(); |
321 |
> |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
322 |
|
} |
323 |
|
|
324 |
|
/** |
325 |
|
* Interrupted timed poll throws InterruptedException instead of |
326 |
|
* returning timeout status |
327 |
|
*/ |
328 |
< |
public void testInterruptedTimedPoll() { |
329 |
< |
Thread t = new Thread(new Runnable() { |
330 |
< |
public void run() { |
331 |
< |
try { |
332 |
< |
SynchronousQueue q = new SynchronousQueue(); |
333 |
< |
assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
334 |
< |
} catch (InterruptedException success){ |
418 |
< |
} |
419 |
< |
}}); |
328 |
> |
public void testInterruptedTimedPoll() throws InterruptedException { |
329 |
> |
final SynchronousQueue q = new SynchronousQueue(); |
330 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
331 |
> |
public void realRun() throws InterruptedException { |
332 |
> |
q.poll(SMALL_DELAY_MS, MILLISECONDS); |
333 |
> |
}}); |
334 |
> |
|
335 |
|
t.start(); |
336 |
< |
try { |
337 |
< |
Thread.sleep(SHORT_DELAY_MS); |
338 |
< |
t.interrupt(); |
424 |
< |
t.join(); |
425 |
< |
} |
426 |
< |
catch (InterruptedException ie) { |
427 |
< |
unexpectedException(); |
428 |
< |
} |
336 |
> |
Thread.sleep(SHORT_DELAY_MS); |
337 |
> |
t.interrupt(); |
338 |
> |
t.join(); |
339 |
|
} |
340 |
|
|
341 |
|
/** |
342 |
|
* timed poll before a delayed offer fails; after offer succeeds; |
343 |
|
* on interruption throws |
344 |
|
*/ |
345 |
< |
public void testTimedPollWithOffer() { |
345 |
> |
public void testTimedPollWithOffer() throws InterruptedException { |
346 |
|
final SynchronousQueue q = new SynchronousQueue(); |
347 |
< |
Thread t = new Thread(new Runnable() { |
348 |
< |
public void run() { |
349 |
< |
try { |
350 |
< |
threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
351 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
352 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
353 |
< |
threadShouldThrow(); |
354 |
< |
} catch (InterruptedException success) { } |
355 |
< |
} |
356 |
< |
}); |
357 |
< |
try { |
358 |
< |
t.start(); |
359 |
< |
Thread.sleep(SMALL_DELAY_MS); |
360 |
< |
assertTrue(q.offer(zero, SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
361 |
< |
t.interrupt(); |
452 |
< |
t.join(); |
453 |
< |
} catch (Exception e){ |
454 |
< |
unexpectedException(); |
455 |
< |
} |
347 |
> |
Thread t = new Thread(new CheckedRunnable() { |
348 |
> |
public void realRun() throws InterruptedException { |
349 |
> |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
350 |
> |
assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
351 |
> |
try { |
352 |
> |
q.poll(LONG_DELAY_MS, MILLISECONDS); |
353 |
> |
shouldThrow(); |
354 |
> |
} catch (InterruptedException success) {} |
355 |
> |
}}); |
356 |
> |
|
357 |
> |
t.start(); |
358 |
> |
Thread.sleep(SMALL_DELAY_MS); |
359 |
> |
assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS)); |
360 |
> |
t.interrupt(); |
361 |
> |
t.join(); |
362 |
|
} |
363 |
|
|
364 |
|
/** |
365 |
|
* Interrupted timed poll throws InterruptedException instead of |
366 |
|
* returning timeout status |
367 |
|
*/ |
368 |
< |
public void testFairInterruptedTimedPoll() { |
369 |
< |
Thread t = new Thread(new Runnable() { |
370 |
< |
public void run() { |
371 |
< |
try { |
372 |
< |
SynchronousQueue q = new SynchronousQueue(true); |
373 |
< |
assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
374 |
< |
} catch (InterruptedException success){ |
469 |
< |
} |
470 |
< |
}}); |
368 |
> |
public void testFairInterruptedTimedPoll() throws InterruptedException { |
369 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
370 |
> |
public void realRun() throws InterruptedException { |
371 |
> |
SynchronousQueue q = new SynchronousQueue(true); |
372 |
> |
q.poll(SMALL_DELAY_MS, MILLISECONDS); |
373 |
> |
}}); |
374 |
> |
|
375 |
|
t.start(); |
376 |
< |
try { |
377 |
< |
Thread.sleep(SHORT_DELAY_MS); |
378 |
< |
t.interrupt(); |
475 |
< |
t.join(); |
476 |
< |
} |
477 |
< |
catch (InterruptedException ie) { |
478 |
< |
unexpectedException(); |
479 |
< |
} |
376 |
> |
Thread.sleep(SHORT_DELAY_MS); |
377 |
> |
t.interrupt(); |
378 |
> |
t.join(); |
379 |
|
} |
380 |
|
|
381 |
|
/** |
382 |
|
* timed poll before a delayed offer fails; after offer succeeds; |
383 |
|
* on interruption throws |
384 |
|
*/ |
385 |
< |
public void testFairTimedPollWithOffer() { |
385 |
> |
public void testFairTimedPollWithOffer() throws InterruptedException { |
386 |
|
final SynchronousQueue q = new SynchronousQueue(true); |
387 |
< |
Thread t = new Thread(new Runnable() { |
388 |
< |
public void run() { |
389 |
< |
try { |
390 |
< |
threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
391 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
392 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
393 |
< |
threadShouldThrow(); |
394 |
< |
} catch (InterruptedException success) { } |
395 |
< |
} |
396 |
< |
}); |
397 |
< |
try { |
398 |
< |
t.start(); |
399 |
< |
Thread.sleep(SMALL_DELAY_MS); |
400 |
< |
assertTrue(q.offer(zero, SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
401 |
< |
t.interrupt(); |
503 |
< |
t.join(); |
504 |
< |
} catch (Exception e){ |
505 |
< |
unexpectedException(); |
506 |
< |
} |
387 |
> |
Thread t = new Thread(new CheckedRunnable() { |
388 |
> |
public void realRun() throws InterruptedException { |
389 |
> |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
390 |
> |
assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
391 |
> |
try { |
392 |
> |
q.poll(LONG_DELAY_MS, MILLISECONDS); |
393 |
> |
threadShouldThrow(); |
394 |
> |
} catch (InterruptedException success) {} |
395 |
> |
}}); |
396 |
> |
|
397 |
> |
t.start(); |
398 |
> |
Thread.sleep(SMALL_DELAY_MS); |
399 |
> |
assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS)); |
400 |
> |
t.interrupt(); |
401 |
> |
t.join(); |
402 |
|
} |
403 |
|
|
404 |
|
|
407 |
|
*/ |
408 |
|
public void testPeek() { |
409 |
|
SynchronousQueue q = new SynchronousQueue(); |
410 |
< |
assertNull(q.peek()); |
410 |
> |
assertNull(q.peek()); |
411 |
|
} |
412 |
|
|
413 |
|
/** |
418 |
|
try { |
419 |
|
q.element(); |
420 |
|
shouldThrow(); |
421 |
< |
} |
527 |
< |
catch (NoSuchElementException success) {} |
421 |
> |
} catch (NoSuchElementException success) {} |
422 |
|
} |
423 |
|
|
424 |
|
/** |
429 |
|
try { |
430 |
|
q.remove(); |
431 |
|
shouldThrow(); |
432 |
< |
} catch (NoSuchElementException success){ |
539 |
< |
} |
432 |
> |
} catch (NoSuchElementException success) {} |
433 |
|
} |
434 |
|
|
435 |
|
/** |
497 |
|
*/ |
498 |
|
public void testToArray() { |
499 |
|
SynchronousQueue q = new SynchronousQueue(); |
500 |
< |
Object[] o = q.toArray(); |
500 |
> |
Object[] o = q.toArray(); |
501 |
|
assertEquals(o.length, 0); |
502 |
|
} |
503 |
|
|
506 |
|
*/ |
507 |
|
public void testToArray2() { |
508 |
|
SynchronousQueue q = new SynchronousQueue(); |
509 |
< |
Integer[] ints = new Integer[1]; |
509 |
> |
Integer[] ints = new Integer[1]; |
510 |
|
assertNull(ints[0]); |
511 |
|
} |
512 |
|
|
514 |
|
* toArray(null) throws NPE |
515 |
|
*/ |
516 |
|
public void testToArray_BadArg() { |
517 |
< |
try { |
518 |
< |
SynchronousQueue q = new SynchronousQueue(); |
519 |
< |
Object o[] = q.toArray(null); |
520 |
< |
shouldThrow(); |
521 |
< |
} catch (NullPointerException success){} |
517 |
> |
SynchronousQueue q = new SynchronousQueue(); |
518 |
> |
try { |
519 |
> |
Object o[] = q.toArray(null); |
520 |
> |
shouldThrow(); |
521 |
> |
} catch (NullPointerException success) {} |
522 |
|
} |
523 |
|
|
524 |
|
|
527 |
|
*/ |
528 |
|
public void testIterator() { |
529 |
|
SynchronousQueue q = new SynchronousQueue(); |
530 |
< |
Iterator it = q.iterator(); |
530 |
> |
Iterator it = q.iterator(); |
531 |
|
assertFalse(it.hasNext()); |
532 |
|
try { |
533 |
|
Object x = it.next(); |
534 |
|
shouldThrow(); |
535 |
< |
} |
643 |
< |
catch (NoSuchElementException success) {} |
535 |
> |
} catch (NoSuchElementException success) {} |
536 |
|
} |
537 |
|
|
538 |
|
/** |
540 |
|
*/ |
541 |
|
public void testIteratorRemove() { |
542 |
|
SynchronousQueue q = new SynchronousQueue(); |
543 |
< |
Iterator it = q.iterator(); |
543 |
> |
Iterator it = q.iterator(); |
544 |
|
try { |
545 |
|
it.remove(); |
546 |
|
shouldThrow(); |
547 |
< |
} |
656 |
< |
catch (IllegalStateException success) {} |
547 |
> |
} catch (IllegalStateException success) {} |
548 |
|
} |
549 |
|
|
550 |
|
/** |
563 |
|
public void testOfferInExecutor() { |
564 |
|
final SynchronousQueue q = new SynchronousQueue(); |
565 |
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
675 |
– |
final Integer one = new Integer(1); |
676 |
– |
|
677 |
– |
executor.execute(new Runnable() { |
678 |
– |
public void run() { |
679 |
– |
threadAssertFalse(q.offer(one)); |
680 |
– |
try { |
681 |
– |
threadAssertTrue(q.offer(one, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS)); |
682 |
– |
threadAssertEquals(0, q.remainingCapacity()); |
683 |
– |
} |
684 |
– |
catch (InterruptedException e) { |
685 |
– |
threadUnexpectedException(); |
686 |
– |
} |
687 |
– |
} |
688 |
– |
}); |
566 |
|
|
567 |
< |
executor.execute(new Runnable() { |
568 |
< |
public void run() { |
569 |
< |
try { |
570 |
< |
Thread.sleep(SMALL_DELAY_MS); |
571 |
< |
threadAssertEquals(one, q.take()); |
572 |
< |
} |
573 |
< |
catch (InterruptedException e) { |
574 |
< |
threadUnexpectedException(); |
575 |
< |
} |
576 |
< |
} |
577 |
< |
}); |
567 |
> |
executor.execute(new CheckedRunnable() { |
568 |
> |
public void realRun() throws InterruptedException { |
569 |
> |
assertFalse(q.offer(one)); |
570 |
> |
assertTrue(q.offer(one, MEDIUM_DELAY_MS, MILLISECONDS)); |
571 |
> |
assertEquals(0, q.remainingCapacity()); |
572 |
> |
}}); |
573 |
> |
|
574 |
> |
executor.execute(new CheckedRunnable() { |
575 |
> |
public void realRun() throws InterruptedException { |
576 |
> |
Thread.sleep(SMALL_DELAY_MS); |
577 |
> |
assertSame(one, q.take()); |
578 |
> |
}}); |
579 |
|
|
580 |
|
joinPool(executor); |
703 |
– |
|
581 |
|
} |
582 |
|
|
583 |
|
/** |
586 |
|
public void testPollInExecutor() { |
587 |
|
final SynchronousQueue q = new SynchronousQueue(); |
588 |
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
589 |
< |
executor.execute(new Runnable() { |
590 |
< |
public void run() { |
591 |
< |
threadAssertNull(q.poll()); |
592 |
< |
try { |
593 |
< |
threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS)); |
594 |
< |
threadAssertTrue(q.isEmpty()); |
595 |
< |
} |
596 |
< |
catch (InterruptedException e) { |
597 |
< |
threadUnexpectedException(); |
598 |
< |
} |
599 |
< |
} |
600 |
< |
}); |
724 |
< |
|
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 |
< |
}); |
589 |
> |
executor.execute(new CheckedRunnable() { |
590 |
> |
public void realRun() throws InterruptedException { |
591 |
> |
assertNull(q.poll()); |
592 |
> |
assertSame(one, q.poll(MEDIUM_DELAY_MS, MILLISECONDS)); |
593 |
> |
assertTrue(q.isEmpty()); |
594 |
> |
}}); |
595 |
> |
|
596 |
> |
executor.execute(new CheckedRunnable() { |
597 |
> |
public void realRun() throws InterruptedException { |
598 |
> |
Thread.sleep(SHORT_DELAY_MS); |
599 |
> |
q.put(one); |
600 |
> |
}}); |
601 |
|
|
602 |
|
joinPool(executor); |
603 |
|
} |
605 |
|
/** |
606 |
|
* a deserialized serialized queue is usable |
607 |
|
*/ |
608 |
< |
public void testSerialization() { |
608 |
> |
public void testSerialization() throws Exception { |
609 |
|
SynchronousQueue q = new SynchronousQueue(); |
610 |
< |
try { |
611 |
< |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
612 |
< |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
613 |
< |
out.writeObject(q); |
614 |
< |
out.close(); |
615 |
< |
|
616 |
< |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
617 |
< |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
618 |
< |
SynchronousQueue r = (SynchronousQueue)in.readObject(); |
619 |
< |
assertEquals(q.size(), r.size()); |
620 |
< |
while (!q.isEmpty()) |
756 |
< |
assertEquals(q.remove(), r.remove()); |
757 |
< |
} catch (Exception e){ |
758 |
< |
e.printStackTrace(); |
759 |
< |
unexpectedException(); |
760 |
< |
} |
610 |
> |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
611 |
> |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
612 |
> |
out.writeObject(q); |
613 |
> |
out.close(); |
614 |
> |
|
615 |
> |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
616 |
> |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
617 |
> |
SynchronousQueue r = (SynchronousQueue)in.readObject(); |
618 |
> |
assertEquals(q.size(), r.size()); |
619 |
> |
while (!q.isEmpty()) |
620 |
> |
assertEquals(q.remove(), r.remove()); |
621 |
|
} |
622 |
|
|
623 |
|
/** |
628 |
|
try { |
629 |
|
q.drainTo(null); |
630 |
|
shouldThrow(); |
631 |
< |
} catch (NullPointerException success) { |
772 |
< |
} |
631 |
> |
} catch (NullPointerException success) {} |
632 |
|
} |
633 |
|
|
634 |
|
/** |
639 |
|
try { |
640 |
|
q.drainTo(q); |
641 |
|
shouldThrow(); |
642 |
< |
} catch (IllegalArgumentException success) { |
784 |
< |
} |
642 |
> |
} catch (IllegalArgumentException success) {} |
643 |
|
} |
644 |
|
|
645 |
|
/** |
656 |
|
/** |
657 |
|
* drainTo empties queue, unblocking a waiting put. |
658 |
|
*/ |
659 |
< |
public void testDrainToWithActivePut() { |
659 |
> |
public void testDrainToWithActivePut() throws InterruptedException { |
660 |
|
final SynchronousQueue q = new SynchronousQueue(); |
661 |
< |
Thread t = new Thread(new Runnable() { |
662 |
< |
public void run() { |
663 |
< |
try { |
664 |
< |
q.put(new Integer(1)); |
665 |
< |
} catch (InterruptedException ie){ |
666 |
< |
threadUnexpectedException(); |
667 |
< |
} |
668 |
< |
} |
669 |
< |
}); |
670 |
< |
try { |
671 |
< |
t.start(); |
672 |
< |
ArrayList l = new ArrayList(); |
673 |
< |
Thread.sleep(SHORT_DELAY_MS); |
674 |
< |
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 |
< |
} |
661 |
> |
Thread t = new Thread(new CheckedRunnable() { |
662 |
> |
public void realRun() throws InterruptedException { |
663 |
> |
q.put(new Integer(1)); |
664 |
> |
}}); |
665 |
> |
|
666 |
> |
t.start(); |
667 |
> |
ArrayList l = new ArrayList(); |
668 |
> |
Thread.sleep(SHORT_DELAY_MS); |
669 |
> |
q.drainTo(l); |
670 |
> |
assertTrue(l.size() <= 1); |
671 |
> |
if (l.size() > 0) |
672 |
> |
assertEquals(l.get(0), new Integer(1)); |
673 |
> |
t.join(); |
674 |
> |
assertTrue(l.size() <= 1); |
675 |
|
} |
676 |
|
|
677 |
|
/** |
682 |
|
try { |
683 |
|
q.drainTo(null, 0); |
684 |
|
shouldThrow(); |
685 |
< |
} catch (NullPointerException success) { |
836 |
< |
} |
685 |
> |
} catch (NullPointerException success) {} |
686 |
|
} |
687 |
|
|
688 |
|
/** |
693 |
|
try { |
694 |
|
q.drainTo(q, 0); |
695 |
|
shouldThrow(); |
696 |
< |
} catch (IllegalArgumentException success) { |
848 |
< |
} |
696 |
> |
} catch (IllegalArgumentException success) {} |
697 |
|
} |
698 |
|
|
699 |
|
/** |
700 |
|
* drainTo(c, n) empties up to n elements of queue into c |
701 |
|
*/ |
702 |
< |
public void testDrainToN() { |
702 |
> |
public void testDrainToN() throws InterruptedException { |
703 |
|
final SynchronousQueue q = new SynchronousQueue(); |
704 |
< |
Thread t1 = new Thread(new Runnable() { |
705 |
< |
public void run() { |
706 |
< |
try { |
707 |
< |
q.put(one); |
708 |
< |
} catch (InterruptedException ie){ |
709 |
< |
threadUnexpectedException(); |
710 |
< |
} |
711 |
< |
} |
712 |
< |
}); |
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 |
< |
}); |
704 |
> |
Thread t1 = new Thread(new CheckedRunnable() { |
705 |
> |
public void realRun() throws InterruptedException { |
706 |
> |
q.put(one); |
707 |
> |
}}); |
708 |
> |
|
709 |
> |
Thread t2 = new Thread(new CheckedRunnable() { |
710 |
> |
public void realRun() throws InterruptedException { |
711 |
> |
q.put(two); |
712 |
> |
}}); |
713 |
|
|
714 |
< |
try { |
715 |
< |
t1.start(); |
716 |
< |
t2.start(); |
717 |
< |
ArrayList l = new ArrayList(); |
718 |
< |
Thread.sleep(SHORT_DELAY_MS); |
719 |
< |
q.drainTo(l, 1); |
720 |
< |
assertTrue(l.size() == 1); |
721 |
< |
q.drainTo(l, 1); |
722 |
< |
assertTrue(l.size() == 2); |
723 |
< |
assertTrue(l.contains(one)); |
724 |
< |
assertTrue(l.contains(two)); |
725 |
< |
t1.join(); |
887 |
< |
t2.join(); |
888 |
< |
} catch (Exception e){ |
889 |
< |
unexpectedException(); |
890 |
< |
} |
714 |
> |
t1.start(); |
715 |
> |
t2.start(); |
716 |
> |
ArrayList l = new ArrayList(); |
717 |
> |
Thread.sleep(SHORT_DELAY_MS); |
718 |
> |
q.drainTo(l, 1); |
719 |
> |
assertTrue(l.size() == 1); |
720 |
> |
q.drainTo(l, 1); |
721 |
> |
assertTrue(l.size() == 2); |
722 |
> |
assertTrue(l.contains(one)); |
723 |
> |
assertTrue(l.contains(two)); |
724 |
> |
t1.join(); |
725 |
> |
t2.join(); |
726 |
|
} |
727 |
|
|
893 |
– |
|
728 |
|
} |