1 |
|
/* |
2 |
|
* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
|
* Expert Group and released to the public domain, as explained at |
4 |
< |
* http://creativecommons.org/licenses/publicdomain |
4 |
> |
* http://creativecommons.org/publicdomain/zero/1.0/ |
5 |
|
* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
|
* Pat Fisher, Mike Judd. |
7 |
|
*/ |
9 |
|
import junit.framework.*; |
10 |
|
import java.util.concurrent.locks.*; |
11 |
|
import java.util.concurrent.*; |
12 |
+ |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
13 |
|
import java.io.*; |
14 |
|
import java.util.*; |
15 |
|
|
16 |
|
public class ReentrantReadWriteLockTest extends JSR166TestCase { |
17 |
|
public static void main(String[] args) { |
18 |
< |
junit.textui.TestRunner.run (suite()); |
18 |
> |
junit.textui.TestRunner.run(suite()); |
19 |
|
} |
20 |
|
public static Test suite() { |
21 |
< |
return new TestSuite(ReentrantReadWriteLockTest.class); |
21 |
> |
return new TestSuite(ReentrantReadWriteLockTest.class); |
22 |
|
} |
23 |
|
|
24 |
|
/** |
59 |
|
} |
60 |
|
|
61 |
|
/** |
62 |
+ |
* Releases lock, checking that it had a hold count of 1. |
63 |
+ |
*/ |
64 |
+ |
void releaseLock(ReentrantReadWriteLock.WriteLock lock) { |
65 |
+ |
assertTrue(lock.isHeldByCurrentThread()); |
66 |
+ |
lock.unlock(); |
67 |
+ |
assertFalse(lock.isHeldByCurrentThread()); |
68 |
+ |
} |
69 |
+ |
|
70 |
+ |
/** |
71 |
|
* Constructor sets given fairness, and is in unlocked state |
72 |
|
*/ |
73 |
|
public void testConstructor() { |
74 |
< |
ReentrantReadWriteLock rl = new ReentrantReadWriteLock(); |
74 |
> |
ReentrantReadWriteLock rl = new ReentrantReadWriteLock(); |
75 |
|
assertFalse(rl.isFair()); |
76 |
|
assertFalse(rl.isWriteLocked()); |
77 |
|
assertEquals(0, rl.getReadLockCount()); |
78 |
< |
ReentrantReadWriteLock r2 = new ReentrantReadWriteLock(true); |
78 |
> |
ReentrantReadWriteLock r2 = new ReentrantReadWriteLock(true); |
79 |
|
assertTrue(r2.isFair()); |
80 |
|
assertFalse(r2.isWriteLocked()); |
81 |
|
assertEquals(0, r2.getReadLockCount()); |
82 |
< |
ReentrantReadWriteLock r3 = new ReentrantReadWriteLock(false); |
82 |
> |
ReentrantReadWriteLock r3 = new ReentrantReadWriteLock(false); |
83 |
|
assertFalse(r3.isFair()); |
84 |
|
assertFalse(r3.isWriteLocked()); |
85 |
|
assertEquals(0, r3.getReadLockCount()); |
89 |
|
* write-locking and read-locking an unlocked lock succeed |
90 |
|
*/ |
91 |
|
public void testLock() { |
92 |
< |
ReentrantReadWriteLock rl = new ReentrantReadWriteLock(); |
92 |
> |
ReentrantReadWriteLock rl = new ReentrantReadWriteLock(); |
93 |
|
rl.writeLock().lock(); |
94 |
|
assertTrue(rl.isWriteLocked()); |
95 |
|
assertTrue(rl.isWriteLockedByCurrentThread()); |
115 |
|
* locking an unlocked fair lock succeeds |
116 |
|
*/ |
117 |
|
public void testFairLock() { |
118 |
< |
ReentrantReadWriteLock rl = new ReentrantReadWriteLock(true); |
118 |
> |
ReentrantReadWriteLock rl = new ReentrantReadWriteLock(true); |
119 |
|
rl.writeLock().lock(); |
120 |
|
assertTrue(rl.isWriteLocked()); |
121 |
|
assertTrue(rl.isWriteLockedByCurrentThread()); |
140 |
|
* getWriteHoldCount returns number of recursive holds |
141 |
|
*/ |
142 |
|
public void testGetWriteHoldCount() { |
143 |
< |
ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
144 |
< |
for (int i = 1; i <= SIZE; i++) { |
145 |
< |
lock.writeLock().lock(); |
146 |
< |
assertEquals(i,lock.getWriteHoldCount()); |
147 |
< |
} |
148 |
< |
for (int i = SIZE; i > 0; i--) { |
149 |
< |
lock.writeLock().unlock(); |
150 |
< |
assertEquals(i-1,lock.getWriteHoldCount()); |
151 |
< |
} |
143 |
> |
ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
144 |
> |
for (int i = 1; i <= SIZE; i++) { |
145 |
> |
lock.writeLock().lock(); |
146 |
> |
assertEquals(i,lock.getWriteHoldCount()); |
147 |
> |
} |
148 |
> |
for (int i = SIZE; i > 0; i--) { |
149 |
> |
lock.writeLock().unlock(); |
150 |
> |
assertEquals(i-1,lock.getWriteHoldCount()); |
151 |
> |
} |
152 |
|
} |
153 |
|
|
154 |
|
/** |
155 |
|
* WriteLock.getHoldCount returns number of recursive holds |
156 |
|
*/ |
157 |
|
public void testGetHoldCount() { |
158 |
< |
ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
159 |
< |
for (int i = 1; i <= SIZE; i++) { |
160 |
< |
lock.writeLock().lock(); |
161 |
< |
assertEquals(i,lock.writeLock().getHoldCount()); |
162 |
< |
} |
163 |
< |
for (int i = SIZE; i > 0; i--) { |
164 |
< |
lock.writeLock().unlock(); |
165 |
< |
assertEquals(i-1,lock.writeLock().getHoldCount()); |
166 |
< |
} |
158 |
> |
ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
159 |
> |
for (int i = 1; i <= SIZE; i++) { |
160 |
> |
lock.writeLock().lock(); |
161 |
> |
assertEquals(i,lock.writeLock().getHoldCount()); |
162 |
> |
} |
163 |
> |
for (int i = SIZE; i > 0; i--) { |
164 |
> |
lock.writeLock().unlock(); |
165 |
> |
assertEquals(i-1,lock.writeLock().getHoldCount()); |
166 |
> |
} |
167 |
|
} |
168 |
|
|
169 |
|
/** |
170 |
|
* getReadHoldCount returns number of recursive holds |
171 |
|
*/ |
172 |
|
public void testGetReadHoldCount() { |
173 |
< |
ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
174 |
< |
for (int i = 1; i <= SIZE; i++) { |
175 |
< |
lock.readLock().lock(); |
176 |
< |
assertEquals(i,lock.getReadHoldCount()); |
177 |
< |
} |
178 |
< |
for (int i = SIZE; i > 0; i--) { |
179 |
< |
lock.readLock().unlock(); |
180 |
< |
assertEquals(i-1,lock.getReadHoldCount()); |
181 |
< |
} |
173 |
> |
ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
174 |
> |
for (int i = 1; i <= SIZE; i++) { |
175 |
> |
lock.readLock().lock(); |
176 |
> |
assertEquals(i,lock.getReadHoldCount()); |
177 |
> |
} |
178 |
> |
for (int i = SIZE; i > 0; i--) { |
179 |
> |
lock.readLock().unlock(); |
180 |
> |
assertEquals(i-1,lock.getReadHoldCount()); |
181 |
> |
} |
182 |
|
} |
183 |
|
|
184 |
|
|
186 |
|
* write-unlocking an unlocked lock throws IllegalMonitorStateException |
187 |
|
*/ |
188 |
|
public void testUnlock_IllegalMonitorStateException() { |
189 |
< |
ReentrantReadWriteLock rl = new ReentrantReadWriteLock(); |
190 |
< |
try { |
191 |
< |
rl.writeLock().unlock(); |
192 |
< |
shouldThrow(); |
193 |
< |
} catch (IllegalMonitorStateException success) {} |
189 |
> |
ReentrantReadWriteLock rl = new ReentrantReadWriteLock(); |
190 |
> |
try { |
191 |
> |
rl.writeLock().unlock(); |
192 |
> |
shouldThrow(); |
193 |
> |
} catch (IllegalMonitorStateException success) {} |
194 |
|
} |
195 |
|
|
196 |
|
|
198 |
|
* write-lockInterruptibly is interruptible |
199 |
|
*/ |
200 |
|
public void testWriteLockInterruptibly_Interrupted() throws Exception { |
201 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
202 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
201 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
202 |
> |
lock.writeLock().lock(); |
203 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
204 |
|
public void realRun() throws InterruptedException { |
205 |
|
lock.writeLock().lockInterruptibly(); |
195 |
– |
lock.writeLock().unlock(); |
196 |
– |
lock.writeLock().lockInterruptibly(); |
197 |
– |
lock.writeLock().unlock(); |
206 |
|
}}); |
207 |
|
|
200 |
– |
lock.writeLock().lock(); |
201 |
– |
t.start(); |
208 |
|
Thread.sleep(SHORT_DELAY_MS); |
209 |
|
t.interrupt(); |
210 |
< |
Thread.sleep(SHORT_DELAY_MS); |
211 |
< |
lock.writeLock().unlock(); |
206 |
< |
t.join(); |
210 |
> |
awaitTermination(t, LONG_DELAY_MS); |
211 |
> |
releaseLock(lock.writeLock()); |
212 |
|
} |
213 |
|
|
214 |
|
/** |
215 |
|
* timed write-tryLock is interruptible |
216 |
|
*/ |
217 |
|
public void testWriteTryLock_Interrupted() throws InterruptedException { |
218 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
219 |
< |
lock.writeLock().lock(); |
220 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
218 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
219 |
> |
lock.writeLock().lock(); |
220 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
221 |
|
public void realRun() throws InterruptedException { |
222 |
< |
lock.writeLock().tryLock(1000,TimeUnit.MILLISECONDS); |
222 |
> |
lock.writeLock().tryLock(SMALL_DELAY_MS, MILLISECONDS); |
223 |
|
}}); |
224 |
|
|
225 |
< |
t.start(); |
225 |
> |
Thread.sleep(SHORT_DELAY_MS); |
226 |
|
t.interrupt(); |
227 |
< |
lock.writeLock().unlock(); |
228 |
< |
t.join(); |
227 |
> |
awaitTermination(t, LONG_DELAY_MS); |
228 |
> |
releaseLock(lock.writeLock()); |
229 |
|
} |
230 |
|
|
231 |
|
/** |
232 |
|
* read-lockInterruptibly is interruptible |
233 |
|
*/ |
234 |
|
public void testReadLockInterruptibly_Interrupted() throws InterruptedException { |
235 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
236 |
< |
lock.writeLock().lock(); |
237 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
235 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
236 |
> |
lock.writeLock().lock(); |
237 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
238 |
|
public void realRun() throws InterruptedException { |
239 |
|
lock.readLock().lockInterruptibly(); |
240 |
|
}}); |
241 |
|
|
237 |
– |
t.start(); |
242 |
|
Thread.sleep(SHORT_DELAY_MS); |
243 |
|
t.interrupt(); |
244 |
< |
Thread.sleep(SHORT_DELAY_MS); |
245 |
< |
lock.writeLock().unlock(); |
242 |
< |
t.join(); |
244 |
> |
awaitTermination(t, LONG_DELAY_MS); |
245 |
> |
releaseLock(lock.writeLock()); |
246 |
|
} |
247 |
|
|
248 |
|
/** |
249 |
|
* timed read-tryLock is interruptible |
250 |
|
*/ |
251 |
|
public void testReadTryLock_Interrupted() throws InterruptedException { |
252 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
253 |
< |
lock.writeLock().lock(); |
254 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
252 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
253 |
> |
lock.writeLock().lock(); |
254 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
255 |
|
public void realRun() throws InterruptedException { |
256 |
< |
lock.readLock().tryLock(1000,TimeUnit.MILLISECONDS); |
256 |
> |
lock.readLock().tryLock(LONG_DELAY_MS, MILLISECONDS); |
257 |
|
}}); |
258 |
|
|
259 |
< |
t.start(); |
259 |
> |
Thread.sleep(SHORT_DELAY_MS); |
260 |
|
t.interrupt(); |
261 |
< |
t.join(); |
261 |
> |
awaitTermination(t, LONG_DELAY_MS); |
262 |
> |
releaseLock(lock.writeLock()); |
263 |
|
} |
264 |
|
|
265 |
|
|
267 |
|
* write-tryLock fails if locked |
268 |
|
*/ |
269 |
|
public void testWriteTryLockWhenLocked() throws InterruptedException { |
270 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
271 |
< |
lock.writeLock().lock(); |
272 |
< |
Thread t = new Thread(new Runnable() { |
273 |
< |
public void run() { |
274 |
< |
threadAssertFalse(lock.writeLock().tryLock()); |
275 |
< |
} |
272 |
< |
}); |
270 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
271 |
> |
lock.writeLock().lock(); |
272 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
273 |
> |
public void realRun() { |
274 |
> |
assertFalse(lock.writeLock().tryLock()); |
275 |
> |
}}); |
276 |
|
|
277 |
< |
t.start(); |
275 |
< |
t.join(); |
277 |
> |
awaitTermination(t, LONG_DELAY_MS); |
278 |
|
lock.writeLock().unlock(); |
279 |
|
} |
280 |
|
|
282 |
|
* read-tryLock fails if locked |
283 |
|
*/ |
284 |
|
public void testReadTryLockWhenLocked() throws InterruptedException { |
285 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
286 |
< |
lock.writeLock().lock(); |
287 |
< |
Thread t = new Thread(new Runnable() { |
288 |
< |
public void run() { |
289 |
< |
threadAssertFalse(lock.readLock().tryLock()); |
290 |
< |
} |
289 |
< |
}); |
285 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
286 |
> |
lock.writeLock().lock(); |
287 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
288 |
> |
public void realRun() { |
289 |
> |
assertFalse(lock.readLock().tryLock()); |
290 |
> |
}}); |
291 |
|
|
292 |
< |
t.start(); |
292 |
< |
t.join(); |
292 |
> |
awaitTermination(t, LONG_DELAY_MS); |
293 |
|
lock.writeLock().unlock(); |
294 |
|
} |
295 |
|
|
297 |
|
* Multiple threads can hold a read lock when not write-locked |
298 |
|
*/ |
299 |
|
public void testMultipleReadLocks() throws InterruptedException { |
300 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
301 |
< |
lock.readLock().lock(); |
302 |
< |
Thread t = new Thread(new Runnable() { |
303 |
< |
public void run() { |
304 |
< |
threadAssertTrue(lock.readLock().tryLock()); |
305 |
< |
lock.readLock().unlock(); |
306 |
< |
} |
307 |
< |
}); |
300 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
301 |
> |
lock.readLock().lock(); |
302 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
303 |
> |
public void realRun() { |
304 |
> |
assertTrue(lock.readLock().tryLock()); |
305 |
> |
lock.readLock().unlock(); |
306 |
> |
}}); |
307 |
|
|
308 |
< |
t.start(); |
310 |
< |
t.join(); |
308 |
> |
awaitTermination(t, LONG_DELAY_MS); |
309 |
|
lock.readLock().unlock(); |
310 |
|
} |
311 |
|
|
313 |
|
* A writelock succeeds after reading threads unlock |
314 |
|
*/ |
315 |
|
public void testWriteAfterMultipleReadLocks() throws InterruptedException { |
316 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
317 |
< |
lock.readLock().lock(); |
318 |
< |
Thread t1 = new Thread(new Runnable() { |
319 |
< |
public void run() { |
320 |
< |
lock.readLock().lock(); |
321 |
< |
lock.readLock().unlock(); |
322 |
< |
} |
323 |
< |
}); |
324 |
< |
Thread t2 = new Thread(new Runnable() { |
325 |
< |
public void run() { |
326 |
< |
lock.writeLock().lock(); |
327 |
< |
lock.writeLock().unlock(); |
330 |
< |
} |
331 |
< |
}); |
316 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
317 |
> |
lock.readLock().lock(); |
318 |
> |
Thread t1 = newStartedThread(new CheckedRunnable() { |
319 |
> |
public void realRun() { |
320 |
> |
lock.readLock().lock(); |
321 |
> |
lock.readLock().unlock(); |
322 |
> |
}}); |
323 |
> |
Thread t2 = newStartedThread(new CheckedRunnable() { |
324 |
> |
public void realRun() { |
325 |
> |
lock.writeLock().lock(); |
326 |
> |
lock.writeLock().unlock(); |
327 |
> |
}}); |
328 |
|
|
333 |
– |
t1.start(); |
334 |
– |
t2.start(); |
329 |
|
Thread.sleep(SHORT_DELAY_MS); |
330 |
|
lock.readLock().unlock(); |
331 |
< |
t1.join(MEDIUM_DELAY_MS); |
332 |
< |
t2.join(MEDIUM_DELAY_MS); |
339 |
< |
assertTrue(!t1.isAlive()); |
340 |
< |
assertTrue(!t2.isAlive()); |
331 |
> |
awaitTermination(t1, LONG_DELAY_MS); |
332 |
> |
awaitTermination(t2, LONG_DELAY_MS); |
333 |
|
} |
334 |
|
|
335 |
|
/** |
336 |
|
* Readlocks succeed after a writing thread unlocks |
337 |
|
*/ |
338 |
|
public void testReadAfterWriteLock() throws InterruptedException { |
339 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
340 |
< |
lock.writeLock().lock(); |
341 |
< |
Thread t1 = new Thread(new Runnable() { |
342 |
< |
public void run() { |
343 |
< |
lock.readLock().lock(); |
344 |
< |
lock.readLock().unlock(); |
345 |
< |
} |
346 |
< |
}); |
347 |
< |
Thread t2 = new Thread(new Runnable() { |
348 |
< |
public void run() { |
349 |
< |
lock.readLock().lock(); |
350 |
< |
lock.readLock().unlock(); |
359 |
< |
} |
360 |
< |
}); |
339 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
340 |
> |
lock.writeLock().lock(); |
341 |
> |
Thread t1 = newStartedThread(new CheckedRunnable() { |
342 |
> |
public void realRun() { |
343 |
> |
lock.readLock().lock(); |
344 |
> |
lock.readLock().unlock(); |
345 |
> |
}}); |
346 |
> |
Thread t2 = newStartedThread(new CheckedRunnable() { |
347 |
> |
public void realRun() { |
348 |
> |
lock.readLock().lock(); |
349 |
> |
lock.readLock().unlock(); |
350 |
> |
}}); |
351 |
|
|
362 |
– |
t1.start(); |
363 |
– |
t2.start(); |
352 |
|
Thread.sleep(SHORT_DELAY_MS); |
353 |
|
lock.writeLock().unlock(); |
354 |
< |
t1.join(MEDIUM_DELAY_MS); |
355 |
< |
t2.join(MEDIUM_DELAY_MS); |
368 |
< |
assertTrue(!t1.isAlive()); |
369 |
< |
assertTrue(!t2.isAlive()); |
354 |
> |
awaitTermination(t1, LONG_DELAY_MS); |
355 |
> |
awaitTermination(t2, LONG_DELAY_MS); |
356 |
|
} |
357 |
|
|
358 |
|
/** |
359 |
|
* Read trylock succeeds if write locked by current thread |
360 |
|
*/ |
361 |
|
public void testReadHoldingWriteLock() { |
362 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
363 |
< |
lock.writeLock().lock(); |
362 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
363 |
> |
lock.writeLock().lock(); |
364 |
|
assertTrue(lock.readLock().tryLock()); |
365 |
|
lock.readLock().unlock(); |
366 |
|
lock.writeLock().unlock(); |
371 |
|
* other threads are waiting for readlock |
372 |
|
*/ |
373 |
|
public void testReadHoldingWriteLock2() throws InterruptedException { |
374 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
375 |
< |
lock.writeLock().lock(); |
376 |
< |
Thread t1 = new Thread(new Runnable() { |
377 |
< |
public void run() { |
378 |
< |
lock.readLock().lock(); |
379 |
< |
lock.readLock().unlock(); |
380 |
< |
} |
381 |
< |
}); |
382 |
< |
Thread t2 = new Thread(new Runnable() { |
383 |
< |
public void run() { |
384 |
< |
lock.readLock().lock(); |
385 |
< |
lock.readLock().unlock(); |
400 |
< |
} |
401 |
< |
}); |
374 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
375 |
> |
lock.writeLock().lock(); |
376 |
> |
Thread t1 = newStartedThread(new CheckedRunnable() { |
377 |
> |
public void realRun() { |
378 |
> |
lock.readLock().lock(); |
379 |
> |
lock.readLock().unlock(); |
380 |
> |
}}); |
381 |
> |
Thread t2 = newStartedThread(new CheckedRunnable() { |
382 |
> |
public void realRun() { |
383 |
> |
lock.readLock().lock(); |
384 |
> |
lock.readLock().unlock(); |
385 |
> |
}}); |
386 |
|
|
403 |
– |
t1.start(); |
404 |
– |
t2.start(); |
387 |
|
lock.readLock().lock(); |
388 |
|
lock.readLock().unlock(); |
389 |
|
Thread.sleep(SHORT_DELAY_MS); |
390 |
|
lock.readLock().lock(); |
391 |
|
lock.readLock().unlock(); |
392 |
|
lock.writeLock().unlock(); |
393 |
< |
t1.join(MEDIUM_DELAY_MS); |
394 |
< |
t2.join(MEDIUM_DELAY_MS); |
413 |
< |
assertTrue(!t1.isAlive()); |
414 |
< |
assertTrue(!t2.isAlive()); |
393 |
> |
awaitTermination(t1, LONG_DELAY_MS); |
394 |
> |
awaitTermination(t2, LONG_DELAY_MS); |
395 |
|
} |
396 |
|
|
397 |
|
/** |
398 |
< |
* Read lock succeeds if write locked by current thread even if |
398 |
> |
* Read lock succeeds if write locked by current thread even if |
399 |
|
* other threads are waiting for writelock |
400 |
|
*/ |
401 |
|
public void testReadHoldingWriteLock3() throws InterruptedException { |
402 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
403 |
< |
lock.writeLock().lock(); |
404 |
< |
Thread t1 = new Thread(new Runnable() { |
405 |
< |
public void run() { |
406 |
< |
lock.writeLock().lock(); |
407 |
< |
lock.writeLock().unlock(); |
408 |
< |
} |
409 |
< |
}); |
410 |
< |
Thread t2 = new Thread(new Runnable() { |
411 |
< |
public void run() { |
412 |
< |
lock.writeLock().lock(); |
413 |
< |
lock.writeLock().unlock(); |
434 |
< |
} |
435 |
< |
}); |
402 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
403 |
> |
lock.writeLock().lock(); |
404 |
> |
Thread t1 = newStartedThread(new CheckedRunnable() { |
405 |
> |
public void realRun() { |
406 |
> |
lock.writeLock().lock(); |
407 |
> |
lock.writeLock().unlock(); |
408 |
> |
}}); |
409 |
> |
Thread t2 = newStartedThread(new CheckedRunnable() { |
410 |
> |
public void realRun() { |
411 |
> |
lock.writeLock().lock(); |
412 |
> |
lock.writeLock().unlock(); |
413 |
> |
}}); |
414 |
|
|
437 |
– |
t1.start(); |
438 |
– |
t2.start(); |
415 |
|
lock.readLock().lock(); |
416 |
|
lock.readLock().unlock(); |
417 |
|
Thread.sleep(SHORT_DELAY_MS); |
418 |
|
lock.readLock().lock(); |
419 |
|
lock.readLock().unlock(); |
420 |
|
lock.writeLock().unlock(); |
421 |
< |
t1.join(MEDIUM_DELAY_MS); |
422 |
< |
t2.join(MEDIUM_DELAY_MS); |
447 |
< |
assertTrue(!t1.isAlive()); |
448 |
< |
assertTrue(!t2.isAlive()); |
421 |
> |
awaitTermination(t1, LONG_DELAY_MS); |
422 |
> |
awaitTermination(t2, LONG_DELAY_MS); |
423 |
|
} |
424 |
|
|
425 |
|
|
426 |
|
/** |
427 |
< |
* Write lock succeeds if write locked by current thread even if |
427 |
> |
* Write lock succeeds if write locked by current thread even if |
428 |
|
* other threads are waiting for writelock |
429 |
|
*/ |
430 |
|
public void testWriteHoldingWriteLock4() throws InterruptedException { |
431 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
432 |
< |
lock.writeLock().lock(); |
433 |
< |
Thread t1 = new Thread(new Runnable() { |
434 |
< |
public void run() { |
435 |
< |
lock.writeLock().lock(); |
436 |
< |
lock.writeLock().unlock(); |
437 |
< |
} |
438 |
< |
}); |
439 |
< |
Thread t2 = new Thread(new Runnable() { |
440 |
< |
public void run() { |
441 |
< |
lock.writeLock().lock(); |
442 |
< |
lock.writeLock().unlock(); |
469 |
< |
} |
470 |
< |
}); |
431 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
432 |
> |
lock.writeLock().lock(); |
433 |
> |
Thread t1 = newStartedThread(new CheckedRunnable() { |
434 |
> |
public void realRun() { |
435 |
> |
lock.writeLock().lock(); |
436 |
> |
lock.writeLock().unlock(); |
437 |
> |
}}); |
438 |
> |
Thread t2 = newStartedThread(new CheckedRunnable() { |
439 |
> |
public void realRun() { |
440 |
> |
lock.writeLock().lock(); |
441 |
> |
lock.writeLock().unlock(); |
442 |
> |
}}); |
443 |
|
|
472 |
– |
t1.start(); |
473 |
– |
t2.start(); |
444 |
|
lock.writeLock().lock(); |
445 |
|
lock.writeLock().unlock(); |
446 |
|
Thread.sleep(SHORT_DELAY_MS); |
447 |
|
lock.writeLock().lock(); |
448 |
|
lock.writeLock().unlock(); |
449 |
|
lock.writeLock().unlock(); |
450 |
< |
t1.join(MEDIUM_DELAY_MS); |
451 |
< |
t2.join(MEDIUM_DELAY_MS); |
482 |
< |
assertTrue(!t1.isAlive()); |
483 |
< |
assertTrue(!t2.isAlive()); |
450 |
> |
awaitTermination(t1, LONG_DELAY_MS); |
451 |
> |
awaitTermination(t2, LONG_DELAY_MS); |
452 |
|
} |
453 |
|
|
454 |
|
|
456 |
|
* Fair Read trylock succeeds if write locked by current thread |
457 |
|
*/ |
458 |
|
public void testReadHoldingWriteLockFair() { |
459 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true); |
460 |
< |
lock.writeLock().lock(); |
459 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true); |
460 |
> |
lock.writeLock().lock(); |
461 |
|
assertTrue(lock.readLock().tryLock()); |
462 |
|
lock.readLock().unlock(); |
463 |
|
lock.writeLock().unlock(); |
468 |
|
* other threads are waiting for readlock |
469 |
|
*/ |
470 |
|
public void testReadHoldingWriteLockFair2() throws InterruptedException { |
471 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true); |
472 |
< |
lock.writeLock().lock(); |
473 |
< |
Thread t1 = new Thread(new Runnable() { |
474 |
< |
public void run() { |
475 |
< |
lock.readLock().lock(); |
476 |
< |
lock.readLock().unlock(); |
477 |
< |
} |
478 |
< |
}); |
479 |
< |
Thread t2 = new Thread(new Runnable() { |
480 |
< |
public void run() { |
481 |
< |
lock.readLock().lock(); |
482 |
< |
lock.readLock().unlock(); |
515 |
< |
} |
516 |
< |
}); |
471 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true); |
472 |
> |
lock.writeLock().lock(); |
473 |
> |
Thread t1 = newStartedThread(new CheckedRunnable() { |
474 |
> |
public void realRun() { |
475 |
> |
lock.readLock().lock(); |
476 |
> |
lock.readLock().unlock(); |
477 |
> |
}}); |
478 |
> |
Thread t2 = newStartedThread(new CheckedRunnable() { |
479 |
> |
public void realRun() { |
480 |
> |
lock.readLock().lock(); |
481 |
> |
lock.readLock().unlock(); |
482 |
> |
}}); |
483 |
|
|
518 |
– |
t1.start(); |
519 |
– |
t2.start(); |
484 |
|
lock.readLock().lock(); |
485 |
|
lock.readLock().unlock(); |
486 |
|
Thread.sleep(SHORT_DELAY_MS); |
487 |
|
lock.readLock().lock(); |
488 |
|
lock.readLock().unlock(); |
489 |
|
lock.writeLock().unlock(); |
490 |
< |
t1.join(MEDIUM_DELAY_MS); |
491 |
< |
t2.join(MEDIUM_DELAY_MS); |
528 |
< |
assertTrue(!t1.isAlive()); |
529 |
< |
assertTrue(!t2.isAlive()); |
490 |
> |
awaitTermination(t1, LONG_DELAY_MS); |
491 |
> |
awaitTermination(t2, LONG_DELAY_MS); |
492 |
|
} |
493 |
|
|
494 |
|
|
497 |
|
* other threads are waiting for writelock |
498 |
|
*/ |
499 |
|
public void testReadHoldingWriteLockFair3() throws InterruptedException { |
500 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true); |
501 |
< |
lock.writeLock().lock(); |
502 |
< |
Thread t1 = new Thread(new Runnable() { |
503 |
< |
public void run() { |
504 |
< |
lock.writeLock().lock(); |
505 |
< |
lock.writeLock().unlock(); |
506 |
< |
} |
507 |
< |
}); |
508 |
< |
Thread t2 = new Thread(new Runnable() { |
509 |
< |
public void run() { |
510 |
< |
lock.writeLock().lock(); |
511 |
< |
lock.writeLock().unlock(); |
550 |
< |
} |
551 |
< |
}); |
500 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true); |
501 |
> |
lock.writeLock().lock(); |
502 |
> |
Thread t1 = newStartedThread(new CheckedRunnable() { |
503 |
> |
public void realRun() { |
504 |
> |
lock.writeLock().lock(); |
505 |
> |
lock.writeLock().unlock(); |
506 |
> |
}}); |
507 |
> |
Thread t2 = newStartedThread(new CheckedRunnable() { |
508 |
> |
public void realRun() { |
509 |
> |
lock.writeLock().lock(); |
510 |
> |
lock.writeLock().unlock(); |
511 |
> |
}}); |
512 |
|
|
553 |
– |
t1.start(); |
554 |
– |
t2.start(); |
513 |
|
lock.readLock().lock(); |
514 |
|
lock.readLock().unlock(); |
515 |
|
Thread.sleep(SHORT_DELAY_MS); |
516 |
|
lock.readLock().lock(); |
517 |
|
lock.readLock().unlock(); |
518 |
|
lock.writeLock().unlock(); |
519 |
< |
t1.join(MEDIUM_DELAY_MS); |
520 |
< |
t2.join(MEDIUM_DELAY_MS); |
563 |
< |
assertTrue(!t1.isAlive()); |
564 |
< |
assertTrue(!t2.isAlive()); |
519 |
> |
awaitTermination(t1, LONG_DELAY_MS); |
520 |
> |
awaitTermination(t2, LONG_DELAY_MS); |
521 |
|
} |
522 |
|
|
523 |
|
|
526 |
|
* other threads are waiting for writelock |
527 |
|
*/ |
528 |
|
public void testWriteHoldingWriteLockFair4() throws InterruptedException { |
529 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true); |
530 |
< |
lock.writeLock().lock(); |
531 |
< |
Thread t1 = new Thread(new Runnable() { |
532 |
< |
public void run() { |
533 |
< |
lock.writeLock().lock(); |
534 |
< |
lock.writeLock().unlock(); |
535 |
< |
} |
536 |
< |
}); |
537 |
< |
Thread t2 = new Thread(new Runnable() { |
538 |
< |
public void run() { |
539 |
< |
lock.writeLock().lock(); |
540 |
< |
lock.writeLock().unlock(); |
585 |
< |
} |
586 |
< |
}); |
529 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true); |
530 |
> |
lock.writeLock().lock(); |
531 |
> |
Thread t1 = newStartedThread(new CheckedRunnable() { |
532 |
> |
public void realRun() { |
533 |
> |
lock.writeLock().lock(); |
534 |
> |
lock.writeLock().unlock(); |
535 |
> |
}}); |
536 |
> |
Thread t2 = newStartedThread(new CheckedRunnable() { |
537 |
> |
public void realRun() { |
538 |
> |
lock.writeLock().lock(); |
539 |
> |
lock.writeLock().unlock(); |
540 |
> |
}}); |
541 |
|
|
588 |
– |
t1.start(); |
589 |
– |
t2.start(); |
542 |
|
Thread.sleep(SHORT_DELAY_MS); |
543 |
|
assertTrue(lock.isWriteLockedByCurrentThread()); |
544 |
< |
assertTrue(lock.getWriteHoldCount() == 1); |
544 |
> |
assertEquals(1, lock.getWriteHoldCount()); |
545 |
|
lock.writeLock().lock(); |
546 |
< |
assertTrue(lock.getWriteHoldCount() == 2); |
546 |
> |
assertEquals(2, lock.getWriteHoldCount()); |
547 |
|
lock.writeLock().unlock(); |
548 |
|
lock.writeLock().lock(); |
549 |
|
lock.writeLock().unlock(); |
550 |
|
lock.writeLock().unlock(); |
551 |
< |
t1.join(MEDIUM_DELAY_MS); |
552 |
< |
t2.join(MEDIUM_DELAY_MS); |
601 |
< |
assertTrue(!t1.isAlive()); |
602 |
< |
assertTrue(!t2.isAlive()); |
551 |
> |
awaitTermination(t1, LONG_DELAY_MS); |
552 |
> |
awaitTermination(t2, LONG_DELAY_MS); |
553 |
|
} |
554 |
|
|
555 |
|
|
557 |
|
* Read tryLock succeeds if readlocked but not writelocked |
558 |
|
*/ |
559 |
|
public void testTryLockWhenReadLocked() throws InterruptedException { |
560 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
561 |
< |
lock.readLock().lock(); |
562 |
< |
Thread t = new Thread(new Runnable() { |
563 |
< |
public void run() { |
564 |
< |
threadAssertTrue(lock.readLock().tryLock()); |
565 |
< |
lock.readLock().unlock(); |
566 |
< |
} |
617 |
< |
}); |
560 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
561 |
> |
lock.readLock().lock(); |
562 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
563 |
> |
public void realRun() { |
564 |
> |
assertTrue(lock.readLock().tryLock()); |
565 |
> |
lock.readLock().unlock(); |
566 |
> |
}}); |
567 |
|
|
568 |
< |
t.start(); |
620 |
< |
t.join(); |
568 |
> |
awaitTermination(t, LONG_DELAY_MS); |
569 |
|
lock.readLock().unlock(); |
570 |
|
} |
571 |
|
|
624 |
– |
|
625 |
– |
|
572 |
|
/** |
573 |
|
* write tryLock fails when readlocked |
574 |
|
*/ |
575 |
|
public void testWriteTryLockWhenReadLocked() throws InterruptedException { |
576 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
577 |
< |
lock.readLock().lock(); |
578 |
< |
Thread t = new Thread(new Runnable() { |
579 |
< |
public void run() { |
580 |
< |
threadAssertFalse(lock.writeLock().tryLock()); |
581 |
< |
} |
636 |
< |
}); |
576 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
577 |
> |
lock.readLock().lock(); |
578 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
579 |
> |
public void realRun() { |
580 |
> |
assertFalse(lock.writeLock().tryLock()); |
581 |
> |
}}); |
582 |
|
|
583 |
< |
t.start(); |
639 |
< |
t.join(); |
583 |
> |
awaitTermination(t, LONG_DELAY_MS); |
584 |
|
lock.readLock().unlock(); |
585 |
|
} |
586 |
|
|
589 |
|
* Fair Read tryLock succeeds if readlocked but not writelocked |
590 |
|
*/ |
591 |
|
public void testTryLockWhenReadLockedFair() throws InterruptedException { |
592 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true); |
593 |
< |
lock.readLock().lock(); |
594 |
< |
Thread t = new Thread(new Runnable() { |
595 |
< |
public void run() { |
596 |
< |
threadAssertTrue(lock.readLock().tryLock()); |
597 |
< |
lock.readLock().unlock(); |
598 |
< |
} |
655 |
< |
}); |
592 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true); |
593 |
> |
lock.readLock().lock(); |
594 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
595 |
> |
public void realRun() { |
596 |
> |
assertTrue(lock.readLock().tryLock()); |
597 |
> |
lock.readLock().unlock(); |
598 |
> |
}}); |
599 |
|
|
600 |
< |
t.start(); |
658 |
< |
t.join(); |
600 |
> |
awaitTermination(t, LONG_DELAY_MS); |
601 |
|
lock.readLock().unlock(); |
602 |
|
} |
603 |
|
|
607 |
|
* Fair write tryLock fails when readlocked |
608 |
|
*/ |
609 |
|
public void testWriteTryLockWhenReadLockedFair() throws InterruptedException { |
610 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true); |
611 |
< |
lock.readLock().lock(); |
612 |
< |
Thread t = new Thread(new Runnable() { |
613 |
< |
public void run() { |
614 |
< |
threadAssertFalse(lock.writeLock().tryLock()); |
615 |
< |
} |
674 |
< |
}); |
610 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true); |
611 |
> |
lock.readLock().lock(); |
612 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
613 |
> |
public void realRun() { |
614 |
> |
assertFalse(lock.writeLock().tryLock()); |
615 |
> |
}}); |
616 |
|
|
617 |
< |
t.start(); |
677 |
< |
t.join(); |
617 |
> |
awaitTermination(t, LONG_DELAY_MS); |
618 |
|
lock.readLock().unlock(); |
619 |
|
} |
620 |
|
|
624 |
|
* write timed tryLock times out if locked |
625 |
|
*/ |
626 |
|
public void testWriteTryLock_Timeout() throws InterruptedException { |
627 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
628 |
< |
lock.writeLock().lock(); |
629 |
< |
Thread t = new Thread(new CheckedRunnable() { |
627 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
628 |
> |
lock.writeLock().lock(); |
629 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
630 |
|
public void realRun() throws InterruptedException { |
631 |
< |
threadAssertFalse(lock.writeLock().tryLock(1, TimeUnit.MILLISECONDS)); |
631 |
> |
assertFalse(lock.writeLock().tryLock(1, MILLISECONDS)); |
632 |
|
}}); |
633 |
|
|
634 |
< |
t.start(); |
635 |
< |
t.join(); |
634 |
> |
awaitTermination(t, LONG_DELAY_MS); |
635 |
> |
assertTrue(lock.writeLock().isHeldByCurrentThread()); |
636 |
|
lock.writeLock().unlock(); |
637 |
|
} |
638 |
|
|
640 |
|
* read timed tryLock times out if write-locked |
641 |
|
*/ |
642 |
|
public void testReadTryLock_Timeout() throws InterruptedException { |
643 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
644 |
< |
lock.writeLock().lock(); |
645 |
< |
Thread t = new Thread(new CheckedRunnable() { |
643 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
644 |
> |
lock.writeLock().lock(); |
645 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
646 |
|
public void realRun() throws InterruptedException { |
647 |
< |
threadAssertFalse(lock.readLock().tryLock(1, TimeUnit.MILLISECONDS)); |
647 |
> |
assertFalse(lock.readLock().tryLock(1, MILLISECONDS)); |
648 |
|
}}); |
649 |
|
|
650 |
< |
t.start(); |
651 |
< |
t.join(); |
650 |
> |
awaitTermination(t, LONG_DELAY_MS); |
651 |
> |
assertTrue(lock.writeLock().isHeldByCurrentThread()); |
652 |
|
lock.writeLock().unlock(); |
653 |
|
} |
654 |
|
|
657 |
|
* write lockInterruptibly succeeds if lock free else is interruptible |
658 |
|
*/ |
659 |
|
public void testWriteLockInterruptibly() throws InterruptedException { |
660 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
660 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
661 |
|
lock.writeLock().lockInterruptibly(); |
662 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
662 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
663 |
|
public void realRun() throws InterruptedException { |
664 |
|
lock.writeLock().lockInterruptibly(); |
665 |
|
}}); |
666 |
|
|
727 |
– |
t.start(); |
667 |
|
Thread.sleep(SHORT_DELAY_MS); |
668 |
|
t.interrupt(); |
669 |
< |
Thread.sleep(SHORT_DELAY_MS); |
670 |
< |
t.join(); |
732 |
< |
lock.writeLock().unlock(); |
669 |
> |
awaitTermination(t, LONG_DELAY_MS); |
670 |
> |
releaseLock(lock.writeLock()); |
671 |
|
} |
672 |
|
|
673 |
|
/** |
674 |
< |
* read lockInterruptibly succeeds if lock free else is interruptible |
674 |
> |
* read lockInterruptibly succeeds if lock free else is interruptible |
675 |
|
*/ |
676 |
|
public void testReadLockInterruptibly() throws InterruptedException { |
677 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
677 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
678 |
|
lock.writeLock().lockInterruptibly(); |
679 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
679 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
680 |
|
public void realRun() throws InterruptedException { |
681 |
|
lock.readLock().lockInterruptibly(); |
682 |
|
}}); |
683 |
|
|
746 |
– |
t.start(); |
684 |
|
Thread.sleep(SHORT_DELAY_MS); |
685 |
|
t.interrupt(); |
686 |
< |
t.join(); |
687 |
< |
lock.writeLock().unlock(); |
686 |
> |
awaitTermination(t, LONG_DELAY_MS); |
687 |
> |
releaseLock(lock.writeLock()); |
688 |
|
} |
689 |
|
|
690 |
|
/** |
691 |
|
* Calling await without holding lock throws IllegalMonitorStateException |
692 |
|
*/ |
693 |
|
public void testAwait_IllegalMonitor() throws InterruptedException { |
694 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
694 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
695 |
|
final Condition c = lock.writeLock().newCondition(); |
696 |
|
try { |
697 |
|
c.await(); |
703 |
|
* Calling signal without holding lock throws IllegalMonitorStateException |
704 |
|
*/ |
705 |
|
public void testSignal_IllegalMonitor() { |
706 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
706 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
707 |
|
final Condition c = lock.writeLock().newCondition(); |
708 |
|
try { |
709 |
|
c.signal(); |
715 |
|
* awaitNanos without a signal times out |
716 |
|
*/ |
717 |
|
public void testAwaitNanos_Timeout() throws InterruptedException { |
718 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
718 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
719 |
|
final Condition c = lock.writeLock().newCondition(); |
720 |
|
|
721 |
|
lock.writeLock().lock(); |
726 |
|
|
727 |
|
|
728 |
|
/** |
729 |
< |
* timed await without a signal times out |
729 |
> |
* timed await without a signal times out |
730 |
|
*/ |
731 |
< |
public void testAwait_Timeout() { |
732 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
731 |
> |
public void testAwait_Timeout() throws InterruptedException { |
732 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
733 |
|
final Condition c = lock.writeLock().newCondition(); |
734 |
|
lock.writeLock().lock(); |
735 |
+ |
assertFalse(c.await(SHORT_DELAY_MS, MILLISECONDS)); |
736 |
|
lock.writeLock().unlock(); |
737 |
|
} |
738 |
|
|
739 |
|
/** |
740 |
|
* awaitUntil without a signal times out |
741 |
|
*/ |
742 |
< |
public void testAwaitUntil_Timeout() { |
743 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
742 |
> |
public void testAwaitUntil_Timeout() throws InterruptedException { |
743 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
744 |
|
final Condition c = lock.writeLock().newCondition(); |
745 |
|
lock.writeLock().lock(); |
746 |
|
java.util.Date d = new java.util.Date(); |
747 |
+ |
assertFalse(c.awaitUntil(new java.util.Date(d.getTime() + 10))); |
748 |
|
lock.writeLock().unlock(); |
749 |
|
} |
750 |
|
|
752 |
|
* await returns when signalled |
753 |
|
*/ |
754 |
|
public void testAwait() throws InterruptedException { |
755 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
755 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
756 |
|
final Condition c = lock.writeLock().newCondition(); |
757 |
< |
Thread t = new Thread(new CheckedRunnable() { |
757 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
758 |
|
public void realRun() throws InterruptedException { |
759 |
|
lock.writeLock().lock(); |
760 |
|
c.await(); |
761 |
|
lock.writeLock().unlock(); |
762 |
|
}}); |
763 |
|
|
825 |
– |
t.start(); |
764 |
|
Thread.sleep(SHORT_DELAY_MS); |
765 |
|
lock.writeLock().lock(); |
766 |
|
c.signal(); |
767 |
|
lock.writeLock().unlock(); |
768 |
< |
t.join(SHORT_DELAY_MS); |
831 |
< |
assertFalse(t.isAlive()); |
768 |
> |
awaitTermination(t, LONG_DELAY_MS); |
769 |
|
} |
770 |
|
|
771 |
|
/** A helper class for uninterruptible wait tests */ |
818 |
|
lock.writeLock().unlock(); |
819 |
|
} |
820 |
|
|
821 |
< |
thread.join(); |
821 |
> |
awaitTermination(thread, LONG_DELAY_MS); |
822 |
|
assertTrue(thread.interrupted); |
886 |
– |
assertFalse(thread.isAlive()); |
823 |
|
} |
824 |
|
|
825 |
|
/** |
826 |
|
* await is interruptible |
827 |
|
*/ |
828 |
|
public void testAwait_Interrupt() throws InterruptedException { |
829 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
829 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
830 |
|
final Condition c = lock.writeLock().newCondition(); |
831 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
831 |
> |
final CountDownLatch locked = new CountDownLatch(1); |
832 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
833 |
|
public void realRun() throws InterruptedException { |
834 |
|
lock.writeLock().lock(); |
835 |
< |
c.await(); |
836 |
< |
lock.writeLock().unlock(); |
835 |
> |
assertTrue(lock.isWriteLocked()); |
836 |
> |
locked.countDown(); |
837 |
> |
try { c.await(); } |
838 |
> |
finally { lock.writeLock().unlock(); } |
839 |
|
}}); |
840 |
|
|
841 |
< |
t.start(); |
842 |
< |
Thread.sleep(SHORT_DELAY_MS); |
841 |
> |
locked.await(); |
842 |
> |
while (lock.isWriteLocked()) |
843 |
> |
Thread.yield(); |
844 |
|
t.interrupt(); |
845 |
< |
t.join(SHORT_DELAY_MS); |
846 |
< |
assertFalse(t.isAlive()); |
845 |
> |
awaitTermination(t, LONG_DELAY_MS); |
846 |
> |
assertFalse(lock.isWriteLocked()); |
847 |
|
} |
848 |
|
|
849 |
|
/** |
850 |
|
* awaitNanos is interruptible |
851 |
|
*/ |
852 |
|
public void testAwaitNanos_Interrupt() throws InterruptedException { |
853 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
853 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
854 |
|
final Condition c = lock.writeLock().newCondition(); |
855 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
855 |
> |
final CountDownLatch locked = new CountDownLatch(1); |
856 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
857 |
|
public void realRun() throws InterruptedException { |
858 |
|
lock.writeLock().lock(); |
859 |
< |
c.awaitNanos(SHORT_DELAY_MS * 2 * 1000000); |
860 |
< |
lock.writeLock().unlock(); |
859 |
> |
assertTrue(lock.isWriteLocked()); |
860 |
> |
locked.countDown(); |
861 |
> |
try { c.awaitNanos(MILLISECONDS.toNanos(LONG_DELAY_MS)); } |
862 |
> |
finally { lock.writeLock().unlock(); } |
863 |
|
}}); |
864 |
|
|
865 |
< |
t.start(); |
866 |
< |
Thread.sleep(SHORT_DELAY_MS); |
865 |
> |
locked.await(); |
866 |
> |
while (lock.isWriteLocked()) |
867 |
> |
Thread.yield(); |
868 |
|
t.interrupt(); |
869 |
< |
t.join(SHORT_DELAY_MS); |
870 |
< |
assertFalse(t.isAlive()); |
869 |
> |
awaitTermination(t, LONG_DELAY_MS); |
870 |
> |
assertFalse(lock.isWriteLocked()); |
871 |
|
} |
872 |
|
|
873 |
|
/** |
874 |
|
* awaitUntil is interruptible |
875 |
|
*/ |
876 |
|
public void testAwaitUntil_Interrupt() throws InterruptedException { |
877 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
877 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
878 |
|
final Condition c = lock.writeLock().newCondition(); |
879 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
879 |
> |
final CountDownLatch locked = new CountDownLatch(1); |
880 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
881 |
|
public void realRun() throws InterruptedException { |
882 |
|
lock.writeLock().lock(); |
883 |
+ |
assertTrue(lock.isWriteLocked()); |
884 |
+ |
locked.countDown(); |
885 |
|
java.util.Date d = new java.util.Date(); |
886 |
< |
c.awaitUntil(new java.util.Date(d.getTime() + 10000)); |
887 |
< |
lock.writeLock().unlock(); |
886 |
> |
try { c.awaitUntil(new java.util.Date(d.getTime() + 10000)); } |
887 |
> |
finally { lock.writeLock().unlock(); } |
888 |
|
}}); |
889 |
|
|
890 |
< |
t.start(); |
891 |
< |
Thread.sleep(SHORT_DELAY_MS); |
890 |
> |
locked.await(); |
891 |
> |
while (lock.isWriteLocked()) |
892 |
> |
Thread.yield(); |
893 |
|
t.interrupt(); |
894 |
< |
t.join(SHORT_DELAY_MS); |
895 |
< |
assertFalse(t.isAlive()); |
894 |
> |
awaitTermination(t, LONG_DELAY_MS); |
895 |
> |
assertFalse(lock.isWriteLocked()); |
896 |
|
} |
897 |
|
|
898 |
|
/** |
899 |
|
* signalAll wakes up all threads |
900 |
|
*/ |
901 |
|
public void testSignalAll() throws InterruptedException { |
902 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
902 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
903 |
|
final Condition c = lock.writeLock().newCondition(); |
904 |
< |
Thread t1 = new Thread(new CheckedRunnable() { |
904 |
> |
Thread t1 = newStartedThread(new CheckedRunnable() { |
905 |
|
public void realRun() throws InterruptedException { |
906 |
|
lock.writeLock().lock(); |
907 |
|
c.await(); |
908 |
|
lock.writeLock().unlock(); |
909 |
|
}}); |
910 |
|
|
911 |
< |
Thread t2 = new Thread(new CheckedRunnable() { |
911 |
> |
Thread t2 = newStartedThread(new CheckedRunnable() { |
912 |
|
public void realRun() throws InterruptedException { |
913 |
|
lock.writeLock().lock(); |
914 |
|
c.await(); |
915 |
|
lock.writeLock().unlock(); |
916 |
|
}}); |
917 |
|
|
970 |
– |
t1.start(); |
971 |
– |
t2.start(); |
918 |
|
Thread.sleep(SHORT_DELAY_MS); |
919 |
|
lock.writeLock().lock(); |
920 |
|
c.signalAll(); |
921 |
|
lock.writeLock().unlock(); |
922 |
< |
t1.join(SHORT_DELAY_MS); |
923 |
< |
t2.join(SHORT_DELAY_MS); |
978 |
< |
assertFalse(t1.isAlive()); |
979 |
< |
assertFalse(t2.isAlive()); |
922 |
> |
awaitTermination(t1, LONG_DELAY_MS); |
923 |
> |
awaitTermination(t2, LONG_DELAY_MS); |
924 |
|
} |
925 |
|
|
926 |
|
/** |
947 |
|
* hasQueuedThreads reports whether there are waiting threads |
948 |
|
*/ |
949 |
|
public void testhasQueuedThreads() throws InterruptedException { |
950 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
950 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
951 |
|
Thread t1 = new Thread(new InterruptedLockRunnable(lock)); |
952 |
|
Thread t2 = new Thread(new InterruptibleLockRunnable(lock)); |
953 |
|
assertFalse(lock.hasQueuedThreads()); |
964 |
|
lock.writeLock().unlock(); |
965 |
|
Thread.sleep(SHORT_DELAY_MS); |
966 |
|
assertFalse(lock.hasQueuedThreads()); |
967 |
< |
t1.join(); |
968 |
< |
t2.join(); |
967 |
> |
awaitTermination(t1, LONG_DELAY_MS); |
968 |
> |
awaitTermination(t2, LONG_DELAY_MS); |
969 |
|
} |
970 |
|
|
971 |
|
/** |
972 |
|
* hasQueuedThread(null) throws NPE |
973 |
|
*/ |
974 |
|
public void testHasQueuedThreadNPE() { |
975 |
< |
final ReentrantReadWriteLock sync = new ReentrantReadWriteLock(); |
975 |
> |
final ReentrantReadWriteLock sync = new ReentrantReadWriteLock(); |
976 |
|
try { |
977 |
|
sync.hasQueuedThread(null); |
978 |
|
shouldThrow(); |
983 |
|
* hasQueuedThread reports whether a thread is queued. |
984 |
|
*/ |
985 |
|
public void testHasQueuedThread() throws InterruptedException { |
986 |
< |
final ReentrantReadWriteLock sync = new ReentrantReadWriteLock(); |
986 |
> |
final ReentrantReadWriteLock sync = new ReentrantReadWriteLock(); |
987 |
|
Thread t1 = new Thread(new InterruptedLockRunnable(sync)); |
988 |
|
Thread t2 = new Thread(new InterruptibleLockRunnable(sync)); |
989 |
|
assertFalse(sync.hasQueuedThread(t1)); |
1005 |
|
assertFalse(sync.hasQueuedThread(t1)); |
1006 |
|
Thread.sleep(SHORT_DELAY_MS); |
1007 |
|
assertFalse(sync.hasQueuedThread(t2)); |
1008 |
< |
t1.join(); |
1009 |
< |
t2.join(); |
1008 |
> |
awaitTermination(t1, LONG_DELAY_MS); |
1009 |
> |
awaitTermination(t2, LONG_DELAY_MS); |
1010 |
|
} |
1011 |
|
|
1012 |
|
|
1014 |
|
* getQueueLength reports number of waiting threads |
1015 |
|
*/ |
1016 |
|
public void testGetQueueLength() throws InterruptedException { |
1017 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
1017 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
1018 |
|
Thread t1 = new Thread(new InterruptedLockRunnable(lock)); |
1019 |
|
Thread t2 = new Thread(new InterruptibleLockRunnable(lock)); |
1020 |
|
assertEquals(0, lock.getQueueLength()); |
1031 |
|
lock.writeLock().unlock(); |
1032 |
|
Thread.sleep(SHORT_DELAY_MS); |
1033 |
|
assertEquals(0, lock.getQueueLength()); |
1034 |
< |
t1.join(); |
1035 |
< |
t2.join(); |
1034 |
> |
awaitTermination(t1, LONG_DELAY_MS); |
1035 |
> |
awaitTermination(t2, LONG_DELAY_MS); |
1036 |
|
} |
1037 |
|
|
1038 |
|
/** |
1039 |
|
* getQueuedThreads includes waiting threads |
1040 |
|
*/ |
1041 |
|
public void testGetQueuedThreads() throws InterruptedException { |
1042 |
< |
final PublicReentrantReadWriteLock lock = new PublicReentrantReadWriteLock(); |
1042 |
> |
final PublicReentrantReadWriteLock lock = new PublicReentrantReadWriteLock(); |
1043 |
|
Thread t1 = new Thread(new InterruptedLockRunnable(lock)); |
1044 |
|
Thread t2 = new Thread(new InterruptibleLockRunnable(lock)); |
1045 |
|
assertTrue(lock.getQueuedThreads().isEmpty()); |
1059 |
|
lock.writeLock().unlock(); |
1060 |
|
Thread.sleep(SHORT_DELAY_MS); |
1061 |
|
assertTrue(lock.getQueuedThreads().isEmpty()); |
1062 |
< |
t1.join(); |
1063 |
< |
t2.join(); |
1062 |
> |
awaitTermination(t1, LONG_DELAY_MS); |
1063 |
> |
awaitTermination(t2, LONG_DELAY_MS); |
1064 |
|
} |
1065 |
|
|
1066 |
|
/** |
1067 |
|
* hasWaiters throws NPE if null |
1068 |
|
*/ |
1069 |
|
public void testHasWaitersNPE() { |
1070 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
1070 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
1071 |
|
try { |
1072 |
|
lock.hasWaiters(null); |
1073 |
|
shouldThrow(); |
1078 |
|
* getWaitQueueLength throws NPE if null |
1079 |
|
*/ |
1080 |
|
public void testGetWaitQueueLengthNPE() { |
1081 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
1081 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
1082 |
|
try { |
1083 |
|
lock.getWaitQueueLength(null); |
1084 |
|
shouldThrow(); |
1090 |
|
* getWaitingThreads throws NPE if null |
1091 |
|
*/ |
1092 |
|
public void testGetWaitingThreadsNPE() { |
1093 |
< |
final PublicReentrantReadWriteLock lock = new PublicReentrantReadWriteLock(); |
1093 |
> |
final PublicReentrantReadWriteLock lock = new PublicReentrantReadWriteLock(); |
1094 |
|
try { |
1095 |
|
lock.getWaitingThreads(null); |
1096 |
|
shouldThrow(); |
1101 |
|
* hasWaiters throws IAE if not owned |
1102 |
|
*/ |
1103 |
|
public void testHasWaitersIAE() { |
1104 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
1104 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
1105 |
|
final Condition c = lock.writeLock().newCondition(); |
1106 |
< |
final ReentrantReadWriteLock lock2 = new ReentrantReadWriteLock(); |
1106 |
> |
final ReentrantReadWriteLock lock2 = new ReentrantReadWriteLock(); |
1107 |
|
try { |
1108 |
|
lock2.hasWaiters(c); |
1109 |
|
shouldThrow(); |
1114 |
|
* hasWaiters throws IMSE if not locked |
1115 |
|
*/ |
1116 |
|
public void testHasWaitersIMSE() { |
1117 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
1117 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
1118 |
|
final Condition c = lock.writeLock().newCondition(); |
1119 |
|
try { |
1120 |
|
lock.hasWaiters(c); |
1127 |
|
* getWaitQueueLength throws IAE if not owned |
1128 |
|
*/ |
1129 |
|
public void testGetWaitQueueLengthIAE() { |
1130 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
1130 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
1131 |
|
final Condition c = lock.writeLock().newCondition(); |
1132 |
< |
final ReentrantReadWriteLock lock2 = new ReentrantReadWriteLock(); |
1132 |
> |
final ReentrantReadWriteLock lock2 = new ReentrantReadWriteLock(); |
1133 |
|
try { |
1134 |
|
lock2.getWaitQueueLength(c); |
1135 |
|
shouldThrow(); |
1140 |
|
* getWaitQueueLength throws IMSE if not locked |
1141 |
|
*/ |
1142 |
|
public void testGetWaitQueueLengthIMSE() { |
1143 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
1143 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
1144 |
|
final Condition c = lock.writeLock().newCondition(); |
1145 |
|
try { |
1146 |
|
lock.getWaitQueueLength(c); |
1153 |
|
* getWaitingThreads throws IAE if not owned |
1154 |
|
*/ |
1155 |
|
public void testGetWaitingThreadsIAE() { |
1156 |
< |
final PublicReentrantReadWriteLock lock = new PublicReentrantReadWriteLock(); |
1156 |
> |
final PublicReentrantReadWriteLock lock = new PublicReentrantReadWriteLock(); |
1157 |
|
final Condition c = lock.writeLock().newCondition(); |
1158 |
< |
final PublicReentrantReadWriteLock lock2 = new PublicReentrantReadWriteLock(); |
1158 |
> |
final PublicReentrantReadWriteLock lock2 = new PublicReentrantReadWriteLock(); |
1159 |
|
try { |
1160 |
|
lock2.getWaitingThreads(c); |
1161 |
|
shouldThrow(); |
1166 |
|
* getWaitingThreads throws IMSE if not locked |
1167 |
|
*/ |
1168 |
|
public void testGetWaitingThreadsIMSE() { |
1169 |
< |
final PublicReentrantReadWriteLock lock = new PublicReentrantReadWriteLock(); |
1169 |
> |
final PublicReentrantReadWriteLock lock = new PublicReentrantReadWriteLock(); |
1170 |
|
final Condition c = lock.writeLock().newCondition(); |
1171 |
|
try { |
1172 |
|
lock.getWaitingThreads(c); |
1179 |
|
* hasWaiters returns true when a thread is waiting, else false |
1180 |
|
*/ |
1181 |
|
public void testHasWaiters() throws InterruptedException { |
1182 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
1182 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
1183 |
|
final Condition c = lock.writeLock().newCondition(); |
1184 |
< |
Thread t = new Thread(new CheckedRunnable() { |
1184 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1185 |
|
public void realRun() throws InterruptedException { |
1186 |
|
lock.writeLock().lock(); |
1187 |
< |
threadAssertFalse(lock.hasWaiters(c)); |
1188 |
< |
threadAssertEquals(0, lock.getWaitQueueLength(c)); |
1187 |
> |
assertFalse(lock.hasWaiters(c)); |
1188 |
> |
assertEquals(0, lock.getWaitQueueLength(c)); |
1189 |
|
c.await(); |
1190 |
|
lock.writeLock().unlock(); |
1191 |
|
}}); |
1192 |
|
|
1249 |
– |
t.start(); |
1193 |
|
Thread.sleep(SHORT_DELAY_MS); |
1194 |
|
lock.writeLock().lock(); |
1195 |
|
assertTrue(lock.hasWaiters(c)); |
1201 |
|
assertFalse(lock.hasWaiters(c)); |
1202 |
|
assertEquals(0, lock.getWaitQueueLength(c)); |
1203 |
|
lock.writeLock().unlock(); |
1204 |
< |
t.join(SHORT_DELAY_MS); |
1262 |
< |
assertFalse(t.isAlive()); |
1204 |
> |
awaitTermination(t, LONG_DELAY_MS); |
1205 |
|
} |
1206 |
|
|
1207 |
|
/** |
1208 |
|
* getWaitQueueLength returns number of waiting threads |
1209 |
|
*/ |
1210 |
|
public void testGetWaitQueueLength() throws InterruptedException { |
1211 |
< |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
1211 |
> |
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
1212 |
|
final Condition c = lock.writeLock().newCondition(); |
1213 |
< |
Thread t = new Thread(new CheckedRunnable() { |
1213 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1214 |
|
public void realRun() throws InterruptedException { |
1215 |
|
lock.writeLock().lock(); |
1216 |
< |
threadAssertFalse(lock.hasWaiters(c)); |
1217 |
< |
threadAssertEquals(0, lock.getWaitQueueLength(c)); |
1216 |
> |
assertFalse(lock.hasWaiters(c)); |
1217 |
> |
assertEquals(0, lock.getWaitQueueLength(c)); |
1218 |
|
c.await(); |
1219 |
|
lock.writeLock().unlock(); |
1220 |
|
}}); |
1221 |
|
|
1280 |
– |
t.start(); |
1222 |
|
Thread.sleep(SHORT_DELAY_MS); |
1223 |
|
lock.writeLock().lock(); |
1224 |
|
assertTrue(lock.hasWaiters(c)); |
1230 |
|
assertFalse(lock.hasWaiters(c)); |
1231 |
|
assertEquals(0, lock.getWaitQueueLength(c)); |
1232 |
|
lock.writeLock().unlock(); |
1233 |
< |
t.join(SHORT_DELAY_MS); |
1293 |
< |
assertFalse(t.isAlive()); |
1233 |
> |
awaitTermination(t, LONG_DELAY_MS); |
1234 |
|
} |
1235 |
|
|
1236 |
|
|
1238 |
|
* getWaitingThreads returns only and all waiting threads |
1239 |
|
*/ |
1240 |
|
public void testGetWaitingThreads() throws InterruptedException { |
1241 |
< |
final PublicReentrantReadWriteLock lock = new PublicReentrantReadWriteLock(); |
1241 |
> |
final PublicReentrantReadWriteLock lock = new PublicReentrantReadWriteLock(); |
1242 |
|
final Condition c = lock.writeLock().newCondition(); |
1243 |
< |
Thread t1 = new Thread(new CheckedRunnable() { |
1243 |
> |
Thread t1 = new Thread(new CheckedRunnable() { |
1244 |
|
public void realRun() throws InterruptedException { |
1245 |
|
lock.writeLock().lock(); |
1246 |
< |
threadAssertTrue(lock.getWaitingThreads(c).isEmpty()); |
1246 |
> |
assertTrue(lock.getWaitingThreads(c).isEmpty()); |
1247 |
|
c.await(); |
1248 |
|
lock.writeLock().unlock(); |
1249 |
|
}}); |
1250 |
|
|
1251 |
< |
Thread t2 = new Thread(new CheckedRunnable() { |
1251 |
> |
Thread t2 = new Thread(new CheckedRunnable() { |
1252 |
|
public void realRun() throws InterruptedException { |
1253 |
|
lock.writeLock().lock(); |
1254 |
< |
threadAssertFalse(lock.getWaitingThreads(c).isEmpty()); |
1254 |
> |
assertFalse(lock.getWaitingThreads(c).isEmpty()); |
1255 |
|
c.await(); |
1256 |
|
lock.writeLock().unlock(); |
1257 |
|
}}); |
1274 |
|
assertFalse(lock.hasWaiters(c)); |
1275 |
|
assertTrue(lock.getWaitingThreads(c).isEmpty()); |
1276 |
|
lock.writeLock().unlock(); |
1277 |
< |
t1.join(SHORT_DELAY_MS); |
1278 |
< |
t2.join(SHORT_DELAY_MS); |
1339 |
< |
assertFalse(t1.isAlive()); |
1340 |
< |
assertFalse(t2.isAlive()); |
1277 |
> |
awaitTermination(t1, LONG_DELAY_MS); |
1278 |
> |
awaitTermination(t2, LONG_DELAY_MS); |
1279 |
|
} |
1280 |
|
|
1281 |
|
/** |