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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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import junit.framework.*; |
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import java.util.concurrent.locks.*; |
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import java.util.concurrent.*; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import java.io.*; |
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import java.util.*; |
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public class ReentrantReadWriteLockTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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junit.textui.TestRunner.run (suite()); |
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junit.textui.TestRunner.run(suite()); |
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} |
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public static Test suite() { |
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return new TestSuite(ReentrantReadWriteLockTest.class); |
190 |
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*/ |
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public void testWriteLockInterruptibly_Interrupted() throws Exception { |
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final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
193 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
193 |
> |
lock.writeLock().lock(); |
194 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
195 |
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public void realRun() throws InterruptedException { |
196 |
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lock.writeLock().lockInterruptibly(); |
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lock.writeLock().unlock(); |
199 |
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lock.writeLock().unlock(); |
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}}); |
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|
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lock.writeLock().lock(); |
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t.start(); |
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Thread.sleep(SHORT_DELAY_MS); |
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t.interrupt(); |
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Thread.sleep(SHORT_DELAY_MS); |
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public void testWriteTryLock_Interrupted() throws InterruptedException { |
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final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
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lock.writeLock().lock(); |
215 |
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Thread t = new Thread(new CheckedInterruptedRunnable() { |
215 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
216 |
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public void realRun() throws InterruptedException { |
217 |
< |
lock.writeLock().tryLock(1000,TimeUnit.MILLISECONDS); |
217 |
> |
lock.writeLock().tryLock(SMALL_DELAY_MS, MILLISECONDS); |
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}}); |
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|
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t.start(); |
220 |
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Thread.sleep(SHORT_DELAY_MS); |
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t.interrupt(); |
222 |
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lock.writeLock().unlock(); |
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t.join(); |
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public void testReadLockInterruptibly_Interrupted() throws InterruptedException { |
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final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
231 |
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lock.writeLock().lock(); |
232 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
232 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
233 |
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public void realRun() throws InterruptedException { |
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lock.readLock().lockInterruptibly(); |
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}}); |
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|
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t.start(); |
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Thread.sleep(SHORT_DELAY_MS); |
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t.interrupt(); |
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Thread.sleep(SHORT_DELAY_MS); |
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public void testReadTryLock_Interrupted() throws InterruptedException { |
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final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
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lock.writeLock().lock(); |
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< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
250 |
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Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
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public void realRun() throws InterruptedException { |
252 |
< |
lock.readLock().tryLock(1000,TimeUnit.MILLISECONDS); |
252 |
> |
lock.readLock().tryLock(LONG_DELAY_MS, MILLISECONDS); |
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}}); |
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|
255 |
< |
t.start(); |
255 |
> |
Thread.sleep(SHORT_DELAY_MS); |
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t.interrupt(); |
257 |
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t.join(); |
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} |
264 |
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public void testWriteTryLockWhenLocked() throws InterruptedException { |
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final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
266 |
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lock.writeLock().lock(); |
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Thread t = new Thread(new Runnable() { |
268 |
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public void run() { |
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threadAssertFalse(lock.writeLock().tryLock()); |
270 |
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} |
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}); |
267 |
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Thread t = newStartedThread(new CheckedRunnable() { |
268 |
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public void realRun() { |
269 |
> |
assertFalse(lock.writeLock().tryLock()); |
270 |
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}}); |
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|
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t.start(); |
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t.join(); |
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lock.writeLock().unlock(); |
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} |
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public void testReadTryLockWhenLocked() throws InterruptedException { |
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final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
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lock.writeLock().lock(); |
282 |
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Thread t = new Thread(new Runnable() { |
283 |
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public void run() { |
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< |
threadAssertFalse(lock.readLock().tryLock()); |
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} |
289 |
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}); |
282 |
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Thread t = newStartedThread(new CheckedRunnable() { |
283 |
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public void realRun() { |
284 |
> |
assertFalse(lock.readLock().tryLock()); |
285 |
> |
}}); |
286 |
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|
291 |
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t.start(); |
287 |
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t.join(); |
288 |
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lock.writeLock().unlock(); |
289 |
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} |
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public void testMultipleReadLocks() throws InterruptedException { |
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final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
296 |
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lock.readLock().lock(); |
297 |
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Thread t = new Thread(new Runnable() { |
298 |
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public void run() { |
299 |
< |
threadAssertTrue(lock.readLock().tryLock()); |
300 |
< |
lock.readLock().unlock(); |
301 |
< |
} |
307 |
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}); |
297 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
298 |
> |
public void realRun() { |
299 |
> |
assertTrue(lock.readLock().tryLock()); |
300 |
> |
lock.readLock().unlock(); |
301 |
> |
}}); |
302 |
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|
309 |
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t.start(); |
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t.join(); |
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lock.readLock().unlock(); |
305 |
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} |
310 |
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public void testWriteAfterMultipleReadLocks() throws InterruptedException { |
311 |
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final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
312 |
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lock.readLock().lock(); |
313 |
< |
Thread t1 = new Thread(new Runnable() { |
314 |
< |
public void run() { |
315 |
< |
lock.readLock().lock(); |
316 |
< |
lock.readLock().unlock(); |
317 |
< |
} |
318 |
< |
}); |
319 |
< |
Thread t2 = new Thread(new Runnable() { |
320 |
< |
public void run() { |
321 |
< |
lock.writeLock().lock(); |
322 |
< |
lock.writeLock().unlock(); |
330 |
< |
} |
331 |
< |
}); |
313 |
> |
Thread t1 = newStartedThread(new CheckedRunnable() { |
314 |
> |
public void realRun() { |
315 |
> |
lock.readLock().lock(); |
316 |
> |
lock.readLock().unlock(); |
317 |
> |
}}); |
318 |
> |
Thread t2 = newStartedThread(new CheckedRunnable() { |
319 |
> |
public void realRun() { |
320 |
> |
lock.writeLock().lock(); |
321 |
> |
lock.writeLock().unlock(); |
322 |
> |
}}); |
323 |
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|
333 |
– |
t1.start(); |
334 |
– |
t2.start(); |
324 |
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Thread.sleep(SHORT_DELAY_MS); |
325 |
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lock.readLock().unlock(); |
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t1.join(MEDIUM_DELAY_MS); |
335 |
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public void testReadAfterWriteLock() throws InterruptedException { |
336 |
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final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
337 |
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lock.writeLock().lock(); |
338 |
< |
Thread t1 = new Thread(new Runnable() { |
339 |
< |
public void run() { |
340 |
< |
lock.readLock().lock(); |
341 |
< |
lock.readLock().unlock(); |
342 |
< |
} |
343 |
< |
}); |
344 |
< |
Thread t2 = new Thread(new Runnable() { |
345 |
< |
public void run() { |
346 |
< |
lock.readLock().lock(); |
347 |
< |
lock.readLock().unlock(); |
359 |
< |
} |
360 |
< |
}); |
338 |
> |
Thread t1 = newStartedThread(new CheckedRunnable() { |
339 |
> |
public void realRun() { |
340 |
> |
lock.readLock().lock(); |
341 |
> |
lock.readLock().unlock(); |
342 |
> |
}}); |
343 |
> |
Thread t2 = newStartedThread(new CheckedRunnable() { |
344 |
> |
public void realRun() { |
345 |
> |
lock.readLock().lock(); |
346 |
> |
lock.readLock().unlock(); |
347 |
> |
}}); |
348 |
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|
362 |
– |
t1.start(); |
363 |
– |
t2.start(); |
349 |
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Thread.sleep(SHORT_DELAY_MS); |
350 |
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lock.writeLock().unlock(); |
351 |
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t1.join(MEDIUM_DELAY_MS); |
372 |
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public void testReadHoldingWriteLock2() throws InterruptedException { |
373 |
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final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
374 |
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lock.writeLock().lock(); |
375 |
< |
Thread t1 = new Thread(new Runnable() { |
376 |
< |
public void run() { |
377 |
< |
lock.readLock().lock(); |
378 |
< |
lock.readLock().unlock(); |
379 |
< |
} |
380 |
< |
}); |
381 |
< |
Thread t2 = new Thread(new Runnable() { |
382 |
< |
public void run() { |
383 |
< |
lock.readLock().lock(); |
384 |
< |
lock.readLock().unlock(); |
400 |
< |
} |
401 |
< |
}); |
375 |
> |
Thread t1 = newStartedThread(new CheckedRunnable() { |
376 |
> |
public void realRun() { |
377 |
> |
lock.readLock().lock(); |
378 |
> |
lock.readLock().unlock(); |
379 |
> |
}}); |
380 |
> |
Thread t2 = newStartedThread(new CheckedRunnable() { |
381 |
> |
public void realRun() { |
382 |
> |
lock.readLock().lock(); |
383 |
> |
lock.readLock().unlock(); |
384 |
> |
}}); |
385 |
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|
403 |
– |
t1.start(); |
404 |
– |
t2.start(); |
386 |
|
lock.readLock().lock(); |
387 |
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lock.readLock().unlock(); |
388 |
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Thread.sleep(SHORT_DELAY_MS); |
396 |
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} |
397 |
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|
398 |
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/** |
399 |
< |
* Read lock succeeds if write locked by current thread even if |
399 |
> |
* Read lock succeeds if write locked by current thread even if |
400 |
|
* other threads are waiting for writelock |
401 |
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*/ |
402 |
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public void testReadHoldingWriteLock3() throws InterruptedException { |
403 |
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final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
404 |
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lock.writeLock().lock(); |
405 |
< |
Thread t1 = new Thread(new Runnable() { |
406 |
< |
public void run() { |
407 |
< |
lock.writeLock().lock(); |
408 |
< |
lock.writeLock().unlock(); |
409 |
< |
} |
410 |
< |
}); |
411 |
< |
Thread t2 = new Thread(new Runnable() { |
412 |
< |
public void run() { |
413 |
< |
lock.writeLock().lock(); |
414 |
< |
lock.writeLock().unlock(); |
434 |
< |
} |
435 |
< |
}); |
405 |
> |
Thread t1 = newStartedThread(new CheckedRunnable() { |
406 |
> |
public void realRun() { |
407 |
> |
lock.writeLock().lock(); |
408 |
> |
lock.writeLock().unlock(); |
409 |
> |
}}); |
410 |
> |
Thread t2 = newStartedThread(new CheckedRunnable() { |
411 |
> |
public void realRun() { |
412 |
> |
lock.writeLock().lock(); |
413 |
> |
lock.writeLock().unlock(); |
414 |
> |
}}); |
415 |
|
|
437 |
– |
t1.start(); |
438 |
– |
t2.start(); |
416 |
|
lock.readLock().lock(); |
417 |
|
lock.readLock().unlock(); |
418 |
|
Thread.sleep(SHORT_DELAY_MS); |
427 |
|
|
428 |
|
|
429 |
|
/** |
430 |
< |
* Write lock succeeds if write locked by current thread even if |
430 |
> |
* Write lock succeeds if write locked by current thread even if |
431 |
|
* other threads are waiting for writelock |
432 |
|
*/ |
433 |
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public void testWriteHoldingWriteLock4() throws InterruptedException { |
434 |
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final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
435 |
|
lock.writeLock().lock(); |
436 |
< |
Thread t1 = new Thread(new Runnable() { |
437 |
< |
public void run() { |
438 |
< |
lock.writeLock().lock(); |
439 |
< |
lock.writeLock().unlock(); |
440 |
< |
} |
441 |
< |
}); |
442 |
< |
Thread t2 = new Thread(new Runnable() { |
443 |
< |
public void run() { |
444 |
< |
lock.writeLock().lock(); |
445 |
< |
lock.writeLock().unlock(); |
469 |
< |
} |
470 |
< |
}); |
436 |
> |
Thread t1 = newStartedThread(new CheckedRunnable() { |
437 |
> |
public void realRun() { |
438 |
> |
lock.writeLock().lock(); |
439 |
> |
lock.writeLock().unlock(); |
440 |
> |
}}); |
441 |
> |
Thread t2 = newStartedThread(new CheckedRunnable() { |
442 |
> |
public void realRun() { |
443 |
> |
lock.writeLock().lock(); |
444 |
> |
lock.writeLock().unlock(); |
445 |
> |
}}); |
446 |
|
|
472 |
– |
t1.start(); |
473 |
– |
t2.start(); |
447 |
|
lock.writeLock().lock(); |
448 |
|
lock.writeLock().unlock(); |
449 |
|
Thread.sleep(SHORT_DELAY_MS); |
475 |
|
public void testReadHoldingWriteLockFair2() throws InterruptedException { |
476 |
|
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true); |
477 |
|
lock.writeLock().lock(); |
478 |
< |
Thread t1 = new Thread(new Runnable() { |
479 |
< |
public void run() { |
480 |
< |
lock.readLock().lock(); |
481 |
< |
lock.readLock().unlock(); |
482 |
< |
} |
483 |
< |
}); |
484 |
< |
Thread t2 = new Thread(new Runnable() { |
485 |
< |
public void run() { |
486 |
< |
lock.readLock().lock(); |
487 |
< |
lock.readLock().unlock(); |
515 |
< |
} |
516 |
< |
}); |
478 |
> |
Thread t1 = newStartedThread(new CheckedRunnable() { |
479 |
> |
public void realRun() { |
480 |
> |
lock.readLock().lock(); |
481 |
> |
lock.readLock().unlock(); |
482 |
> |
}}); |
483 |
> |
Thread t2 = newStartedThread(new CheckedRunnable() { |
484 |
> |
public void realRun() { |
485 |
> |
lock.readLock().lock(); |
486 |
> |
lock.readLock().unlock(); |
487 |
> |
}}); |
488 |
|
|
518 |
– |
t1.start(); |
519 |
– |
t2.start(); |
489 |
|
lock.readLock().lock(); |
490 |
|
lock.readLock().unlock(); |
491 |
|
Thread.sleep(SHORT_DELAY_MS); |
506 |
|
public void testReadHoldingWriteLockFair3() throws InterruptedException { |
507 |
|
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true); |
508 |
|
lock.writeLock().lock(); |
509 |
< |
Thread t1 = new Thread(new Runnable() { |
510 |
< |
public void run() { |
511 |
< |
lock.writeLock().lock(); |
512 |
< |
lock.writeLock().unlock(); |
513 |
< |
} |
514 |
< |
}); |
515 |
< |
Thread t2 = new Thread(new Runnable() { |
516 |
< |
public void run() { |
517 |
< |
lock.writeLock().lock(); |
518 |
< |
lock.writeLock().unlock(); |
550 |
< |
} |
551 |
< |
}); |
509 |
> |
Thread t1 = newStartedThread(new CheckedRunnable() { |
510 |
> |
public void realRun() { |
511 |
> |
lock.writeLock().lock(); |
512 |
> |
lock.writeLock().unlock(); |
513 |
> |
}}); |
514 |
> |
Thread t2 = newStartedThread(new CheckedRunnable() { |
515 |
> |
public void realRun() { |
516 |
> |
lock.writeLock().lock(); |
517 |
> |
lock.writeLock().unlock(); |
518 |
> |
}}); |
519 |
|
|
553 |
– |
t1.start(); |
554 |
– |
t2.start(); |
520 |
|
lock.readLock().lock(); |
521 |
|
lock.readLock().unlock(); |
522 |
|
Thread.sleep(SHORT_DELAY_MS); |
537 |
|
public void testWriteHoldingWriteLockFair4() throws InterruptedException { |
538 |
|
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true); |
539 |
|
lock.writeLock().lock(); |
540 |
< |
Thread t1 = new Thread(new Runnable() { |
541 |
< |
public void run() { |
542 |
< |
lock.writeLock().lock(); |
543 |
< |
lock.writeLock().unlock(); |
544 |
< |
} |
545 |
< |
}); |
546 |
< |
Thread t2 = new Thread(new Runnable() { |
547 |
< |
public void run() { |
548 |
< |
lock.writeLock().lock(); |
549 |
< |
lock.writeLock().unlock(); |
585 |
< |
} |
586 |
< |
}); |
540 |
> |
Thread t1 = newStartedThread(new CheckedRunnable() { |
541 |
> |
public void realRun() { |
542 |
> |
lock.writeLock().lock(); |
543 |
> |
lock.writeLock().unlock(); |
544 |
> |
}}); |
545 |
> |
Thread t2 = newStartedThread(new CheckedRunnable() { |
546 |
> |
public void realRun() { |
547 |
> |
lock.writeLock().lock(); |
548 |
> |
lock.writeLock().unlock(); |
549 |
> |
}}); |
550 |
|
|
588 |
– |
t1.start(); |
589 |
– |
t2.start(); |
551 |
|
Thread.sleep(SHORT_DELAY_MS); |
552 |
|
assertTrue(lock.isWriteLockedByCurrentThread()); |
553 |
< |
assertTrue(lock.getWriteHoldCount() == 1); |
553 |
> |
assertEquals(1, lock.getWriteHoldCount()); |
554 |
|
lock.writeLock().lock(); |
555 |
< |
assertTrue(lock.getWriteHoldCount() == 2); |
555 |
> |
assertEquals(2, lock.getWriteHoldCount()); |
556 |
|
lock.writeLock().unlock(); |
557 |
|
lock.writeLock().lock(); |
558 |
|
lock.writeLock().unlock(); |
570 |
|
public void testTryLockWhenReadLocked() throws InterruptedException { |
571 |
|
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
572 |
|
lock.readLock().lock(); |
573 |
< |
Thread t = new Thread(new Runnable() { |
574 |
< |
public void run() { |
575 |
< |
threadAssertTrue(lock.readLock().tryLock()); |
576 |
< |
lock.readLock().unlock(); |
577 |
< |
} |
617 |
< |
}); |
573 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
574 |
> |
public void realRun() { |
575 |
> |
assertTrue(lock.readLock().tryLock()); |
576 |
> |
lock.readLock().unlock(); |
577 |
> |
}}); |
578 |
|
|
619 |
– |
t.start(); |
579 |
|
t.join(); |
580 |
|
lock.readLock().unlock(); |
581 |
|
} |
582 |
|
|
624 |
– |
|
625 |
– |
|
583 |
|
/** |
584 |
|
* write tryLock fails when readlocked |
585 |
|
*/ |
586 |
|
public void testWriteTryLockWhenReadLocked() throws InterruptedException { |
587 |
|
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
588 |
|
lock.readLock().lock(); |
589 |
< |
Thread t = new Thread(new Runnable() { |
590 |
< |
public void run() { |
591 |
< |
threadAssertFalse(lock.writeLock().tryLock()); |
592 |
< |
} |
636 |
< |
}); |
589 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
590 |
> |
public void realRun() { |
591 |
> |
assertFalse(lock.writeLock().tryLock()); |
592 |
> |
}}); |
593 |
|
|
638 |
– |
t.start(); |
594 |
|
t.join(); |
595 |
|
lock.readLock().unlock(); |
596 |
|
} |
602 |
|
public void testTryLockWhenReadLockedFair() throws InterruptedException { |
603 |
|
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true); |
604 |
|
lock.readLock().lock(); |
605 |
< |
Thread t = new Thread(new Runnable() { |
606 |
< |
public void run() { |
607 |
< |
threadAssertTrue(lock.readLock().tryLock()); |
608 |
< |
lock.readLock().unlock(); |
609 |
< |
} |
655 |
< |
}); |
605 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
606 |
> |
public void realRun() { |
607 |
> |
assertTrue(lock.readLock().tryLock()); |
608 |
> |
lock.readLock().unlock(); |
609 |
> |
}}); |
610 |
|
|
657 |
– |
t.start(); |
611 |
|
t.join(); |
612 |
|
lock.readLock().unlock(); |
613 |
|
} |
620 |
|
public void testWriteTryLockWhenReadLockedFair() throws InterruptedException { |
621 |
|
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true); |
622 |
|
lock.readLock().lock(); |
623 |
< |
Thread t = new Thread(new Runnable() { |
624 |
< |
public void run() { |
625 |
< |
threadAssertFalse(lock.writeLock().tryLock()); |
626 |
< |
} |
674 |
< |
}); |
623 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
624 |
> |
public void realRun() { |
625 |
> |
assertFalse(lock.writeLock().tryLock()); |
626 |
> |
}}); |
627 |
|
|
676 |
– |
t.start(); |
628 |
|
t.join(); |
629 |
|
lock.readLock().unlock(); |
630 |
|
} |
637 |
|
public void testWriteTryLock_Timeout() throws InterruptedException { |
638 |
|
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
639 |
|
lock.writeLock().lock(); |
640 |
< |
Thread t = new Thread(new CheckedRunnable() { |
640 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
641 |
|
public void realRun() throws InterruptedException { |
642 |
< |
threadAssertFalse(lock.writeLock().tryLock(1, TimeUnit.MILLISECONDS)); |
642 |
> |
assertFalse(lock.writeLock().tryLock(1, MILLISECONDS)); |
643 |
|
}}); |
644 |
|
|
694 |
– |
t.start(); |
645 |
|
t.join(); |
646 |
|
assertTrue(lock.writeLock().isHeldByCurrentThread()); |
647 |
|
lock.writeLock().unlock(); |
653 |
|
public void testReadTryLock_Timeout() throws InterruptedException { |
654 |
|
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
655 |
|
lock.writeLock().lock(); |
656 |
< |
Thread t = new Thread(new CheckedRunnable() { |
656 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
657 |
|
public void realRun() throws InterruptedException { |
658 |
< |
threadAssertFalse(lock.readLock().tryLock(1, TimeUnit.MILLISECONDS)); |
658 |
> |
assertFalse(lock.readLock().tryLock(1, MILLISECONDS)); |
659 |
|
}}); |
660 |
|
|
711 |
– |
t.start(); |
661 |
|
t.join(); |
662 |
|
assertTrue(lock.writeLock().isHeldByCurrentThread()); |
663 |
|
lock.writeLock().unlock(); |
670 |
|
public void testWriteLockInterruptibly() throws InterruptedException { |
671 |
|
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
672 |
|
lock.writeLock().lockInterruptibly(); |
673 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
673 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
674 |
|
public void realRun() throws InterruptedException { |
675 |
|
lock.writeLock().lockInterruptibly(); |
676 |
|
}}); |
677 |
|
|
729 |
– |
t.start(); |
678 |
|
Thread.sleep(SHORT_DELAY_MS); |
679 |
|
t.interrupt(); |
680 |
|
Thread.sleep(SHORT_DELAY_MS); |
683 |
|
} |
684 |
|
|
685 |
|
/** |
686 |
< |
* read lockInterruptibly succeeds if lock free else is interruptible |
686 |
> |
* read lockInterruptibly succeeds if lock free else is interruptible |
687 |
|
*/ |
688 |
|
public void testReadLockInterruptibly() throws InterruptedException { |
689 |
|
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
690 |
|
lock.writeLock().lockInterruptibly(); |
691 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
691 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
692 |
|
public void realRun() throws InterruptedException { |
693 |
|
lock.readLock().lockInterruptibly(); |
694 |
|
}}); |
695 |
|
|
748 |
– |
t.start(); |
696 |
|
Thread.sleep(SHORT_DELAY_MS); |
697 |
|
t.interrupt(); |
698 |
|
t.join(); |
738 |
|
|
739 |
|
|
740 |
|
/** |
741 |
< |
* timed await without a signal times out |
741 |
> |
* timed await without a signal times out |
742 |
|
*/ |
743 |
|
public void testAwait_Timeout() throws InterruptedException { |
744 |
|
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
745 |
|
final Condition c = lock.writeLock().newCondition(); |
746 |
|
lock.writeLock().lock(); |
747 |
< |
assertFalse(c.await(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
747 |
> |
assertFalse(c.await(SHORT_DELAY_MS, MILLISECONDS)); |
748 |
|
lock.writeLock().unlock(); |
749 |
|
} |
750 |
|
|
766 |
|
public void testAwait() throws InterruptedException { |
767 |
|
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
768 |
|
final Condition c = lock.writeLock().newCondition(); |
769 |
< |
Thread t = new Thread(new CheckedRunnable() { |
769 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
770 |
|
public void realRun() throws InterruptedException { |
771 |
|
lock.writeLock().lock(); |
772 |
|
c.await(); |
773 |
|
lock.writeLock().unlock(); |
774 |
|
}}); |
775 |
|
|
829 |
– |
t.start(); |
776 |
|
Thread.sleep(SHORT_DELAY_MS); |
777 |
|
lock.writeLock().lock(); |
778 |
|
c.signal(); |
842 |
|
public void testAwait_Interrupt() throws InterruptedException { |
843 |
|
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
844 |
|
final Condition c = lock.writeLock().newCondition(); |
845 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
845 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
846 |
|
public void realRun() throws InterruptedException { |
847 |
|
lock.writeLock().lock(); |
848 |
|
c.await(); |
849 |
|
lock.writeLock().unlock(); |
850 |
|
}}); |
851 |
|
|
906 |
– |
t.start(); |
852 |
|
Thread.sleep(SHORT_DELAY_MS); |
853 |
|
t.interrupt(); |
854 |
|
t.join(SHORT_DELAY_MS); |
861 |
|
public void testAwaitNanos_Interrupt() throws InterruptedException { |
862 |
|
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
863 |
|
final Condition c = lock.writeLock().newCondition(); |
864 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
864 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
865 |
|
public void realRun() throws InterruptedException { |
866 |
|
lock.writeLock().lock(); |
867 |
< |
c.awaitNanos(SHORT_DELAY_MS * 2 * 1000000); |
867 |
> |
c.awaitNanos(MILLISECONDS.toNanos(LONG_DELAY_MS)); |
868 |
|
lock.writeLock().unlock(); |
869 |
|
}}); |
870 |
|
|
926 |
– |
t.start(); |
871 |
|
Thread.sleep(SHORT_DELAY_MS); |
872 |
|
t.interrupt(); |
873 |
|
t.join(SHORT_DELAY_MS); |
880 |
|
public void testAwaitUntil_Interrupt() throws InterruptedException { |
881 |
|
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
882 |
|
final Condition c = lock.writeLock().newCondition(); |
883 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
883 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
884 |
|
public void realRun() throws InterruptedException { |
885 |
|
lock.writeLock().lock(); |
886 |
|
java.util.Date d = new java.util.Date(); |
888 |
|
lock.writeLock().unlock(); |
889 |
|
}}); |
890 |
|
|
947 |
– |
t.start(); |
891 |
|
Thread.sleep(SHORT_DELAY_MS); |
892 |
|
t.interrupt(); |
893 |
|
t.join(SHORT_DELAY_MS); |
900 |
|
public void testSignalAll() throws InterruptedException { |
901 |
|
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
902 |
|
final Condition c = lock.writeLock().newCondition(); |
903 |
< |
Thread t1 = new Thread(new CheckedRunnable() { |
903 |
> |
Thread t1 = newStartedThread(new CheckedRunnable() { |
904 |
|
public void realRun() throws InterruptedException { |
905 |
|
lock.writeLock().lock(); |
906 |
|
c.await(); |
907 |
|
lock.writeLock().unlock(); |
908 |
|
}}); |
909 |
|
|
910 |
< |
Thread t2 = new Thread(new CheckedRunnable() { |
910 |
> |
Thread t2 = newStartedThread(new CheckedRunnable() { |
911 |
|
public void realRun() throws InterruptedException { |
912 |
|
lock.writeLock().lock(); |
913 |
|
c.await(); |
914 |
|
lock.writeLock().unlock(); |
915 |
|
}}); |
916 |
|
|
974 |
– |
t1.start(); |
975 |
– |
t2.start(); |
917 |
|
Thread.sleep(SHORT_DELAY_MS); |
918 |
|
lock.writeLock().lock(); |
919 |
|
c.signalAll(); |
1182 |
|
public void testHasWaiters() throws InterruptedException { |
1183 |
|
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
1184 |
|
final Condition c = lock.writeLock().newCondition(); |
1185 |
< |
Thread t = new Thread(new CheckedRunnable() { |
1185 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1186 |
|
public void realRun() throws InterruptedException { |
1187 |
|
lock.writeLock().lock(); |
1188 |
< |
threadAssertFalse(lock.hasWaiters(c)); |
1189 |
< |
threadAssertEquals(0, lock.getWaitQueueLength(c)); |
1188 |
> |
assertFalse(lock.hasWaiters(c)); |
1189 |
> |
assertEquals(0, lock.getWaitQueueLength(c)); |
1190 |
|
c.await(); |
1191 |
|
lock.writeLock().unlock(); |
1192 |
|
}}); |
1193 |
|
|
1253 |
– |
t.start(); |
1194 |
|
Thread.sleep(SHORT_DELAY_MS); |
1195 |
|
lock.writeLock().lock(); |
1196 |
|
assertTrue(lock.hasWaiters(c)); |
1212 |
|
public void testGetWaitQueueLength() throws InterruptedException { |
1213 |
|
final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); |
1214 |
|
final Condition c = lock.writeLock().newCondition(); |
1215 |
< |
Thread t = new Thread(new CheckedRunnable() { |
1215 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1216 |
|
public void realRun() throws InterruptedException { |
1217 |
|
lock.writeLock().lock(); |
1218 |
< |
threadAssertFalse(lock.hasWaiters(c)); |
1219 |
< |
threadAssertEquals(0, lock.getWaitQueueLength(c)); |
1218 |
> |
assertFalse(lock.hasWaiters(c)); |
1219 |
> |
assertEquals(0, lock.getWaitQueueLength(c)); |
1220 |
|
c.await(); |
1221 |
|
lock.writeLock().unlock(); |
1222 |
|
}}); |
1223 |
|
|
1284 |
– |
t.start(); |
1224 |
|
Thread.sleep(SHORT_DELAY_MS); |
1225 |
|
lock.writeLock().lock(); |
1226 |
|
assertTrue(lock.hasWaiters(c)); |
1246 |
|
Thread t1 = new Thread(new CheckedRunnable() { |
1247 |
|
public void realRun() throws InterruptedException { |
1248 |
|
lock.writeLock().lock(); |
1249 |
< |
threadAssertTrue(lock.getWaitingThreads(c).isEmpty()); |
1249 |
> |
assertTrue(lock.getWaitingThreads(c).isEmpty()); |
1250 |
|
c.await(); |
1251 |
|
lock.writeLock().unlock(); |
1252 |
|
}}); |
1254 |
|
Thread t2 = new Thread(new CheckedRunnable() { |
1255 |
|
public void realRun() throws InterruptedException { |
1256 |
|
lock.writeLock().lock(); |
1257 |
< |
threadAssertFalse(lock.getWaitingThreads(c).isEmpty()); |
1257 |
> |
assertFalse(lock.getWaitingThreads(c).isEmpty()); |
1258 |
|
c.await(); |
1259 |
|
lock.writeLock().unlock(); |
1260 |
|
}}); |