ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

root/jsr166/jsr166/src/test/tck/ReentrantLockTest.java

Comparing jsr166/src/test/tck/ReentrantLockTest.java (file contents):
Revision 1.18 by dl, Sat Jan 10 01:41:59 2004 UTC vs.
Revision 1.30 by jsr166, Sat Nov 21 02:07:27 2009 UTC

#	Line 2 | Line 2
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
5	<	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	<	* Pat Fisher, Mike Judd.
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9		import junit.framework.*;
#	Line 14 | Line 14 | import java.io.*;
14
15		public class ReentrantLockTest extends JSR166TestCase {
16		public static void main(String[] args) {
17	<	junit.textui.TestRunner.run (suite());
17	>	junit.textui.TestRunner.run (suite());
18		}
19		public static Test suite() {
20	<	return new TestSuite(ReentrantLockTest.class);
20	>	return new TestSuite(ReentrantLockTest.class);
21		}
22
23		/**
24		* A runnable calling lockInterruptibly
25		*/
26	<	class InterruptibleLockRunnable implements Runnable {
26	>	class InterruptibleLockRunnable extends CheckedRunnable {
27		final ReentrantLock lock;
28		InterruptibleLockRunnable(ReentrantLock l) { lock = l; }
29	<	public void run() {
30	<	try {
31	<	lock.lockInterruptibly();
32	<	} catch(InterruptedException success){}
29	>	public void realRun() throws InterruptedException {
30	>	lock.lockInterruptibly();
31		}
32		}
33
#	Line 38 | Line 36 | public class ReentrantLockTest extends J
36		* A runnable calling lockInterruptibly that expects to be
37		* interrupted
38		*/
39	<	class InterruptedLockRunnable implements Runnable {
39	>	class InterruptedLockRunnable extends CheckedInterruptedRunnable {
40		final ReentrantLock lock;
41		InterruptedLockRunnable(ReentrantLock l) { lock = l; }
42	<	public void run() {
43	<	try {
46	<	lock.lockInterruptibly();
47	<	threadShouldThrow();
48	<	} catch(InterruptedException success){}
42	>	public void realRun() throws InterruptedException {
43	>	lock.lockInterruptibly();
44		}
45		}
46
#	Line 54 | Line 49 | public class ReentrantLockTest extends J
49		*/
50		static class PublicReentrantLock extends ReentrantLock {
51		PublicReentrantLock() { super(); }
52	<	public Collection<Thread> getQueuedThreads() {
53	<	return super.getQueuedThreads();
52	>	public Collection<Thread> getQueuedThreads() {
53	>	return super.getQueuedThreads();
54		}
55	<	public Collection<Thread> getWaitingThreads(Condition c) {
56	<	return super.getWaitingThreads(c);
55	>	public Collection<Thread> getWaitingThreads(Condition c) {
56	>	return super.getWaitingThreads(c);
57		}
58
59
#	Line 67 | Line 62 | public class ReentrantLockTest extends J
62		/**
63		* Constructor sets given fairness
64		*/
65	<	public void testConstructor() {
66	<	ReentrantLock rl = new ReentrantLock();
67	<	assertFalse(rl.isFair());
68	<	ReentrantLock r2 = new ReentrantLock(true);
74	<	assertTrue(r2.isFair());
65	>	public void testConstructor() {
66	>	assertFalse(new ReentrantLock().isFair());
67	>	assertFalse(new ReentrantLock(false).isFair());
68	>	assertTrue(new ReentrantLock(true).isFair());
69		}
70
71		/**
72		* locking an unlocked lock succeeds
73		*/
74	<	public void testLock() {
75	<	ReentrantLock rl = new ReentrantLock();
74	>	public void testLock() {
75	>	ReentrantLock rl = new ReentrantLock();
76		rl.lock();
77		assertTrue(rl.isLocked());
78		rl.unlock();
79	+	assertFalse(rl.isLocked());
80		}
81
82		/**
83		* locking an unlocked fair lock succeeds
84		*/
85	<	public void testFairLock() {
86	<	ReentrantLock rl = new ReentrantLock(true);
85	>	public void testFairLock() {
86	>	ReentrantLock rl = new ReentrantLock(true);
87		rl.lock();
88		assertTrue(rl.isLocked());
89		rl.unlock();
#	Line 97 | Line 92 | public class ReentrantLockTest extends J
92		/**
93		* Unlocking an unlocked lock throws IllegalMonitorStateException
94		*/
95	<	public void testUnlock_IllegalMonitorStateException() {
96	<	ReentrantLock rl = new ReentrantLock();
97	<	try {
98	<	rl.unlock();
99	<	shouldThrow();
100	<
106	<	} catch(IllegalMonitorStateException success){}
95	>	public void testUnlock_IllegalMonitorStateException() {
96	>	ReentrantLock rl = new ReentrantLock();
97	>	try {
98	>	rl.unlock();
99	>	shouldThrow();
100	>	} catch (IllegalMonitorStateException success) {}
101		}
102
103		/**
104		* tryLock on an unlocked lock succeeds
105		*/
106	<	public void testTryLock() {
107	<	ReentrantLock rl = new ReentrantLock();
106	>	public void testTryLock() {
107	>	ReentrantLock rl = new ReentrantLock();
108		assertTrue(rl.tryLock());
109		assertTrue(rl.isLocked());
110		rl.unlock();
#	Line 120 | Line 114 | public class ReentrantLockTest extends J
114		/**
115		* hasQueuedThreads reports whether there are waiting threads
116		*/
117	<	public void testhasQueuedThreads() {
118	<	final ReentrantLock lock = new ReentrantLock();
117	>	public void testhasQueuedThreads() throws InterruptedException {
118	>	final ReentrantLock lock = new ReentrantLock();
119		Thread t1 = new Thread(new InterruptedLockRunnable(lock));
120		Thread t2 = new Thread(new InterruptibleLockRunnable(lock));
121	<	try {
122	<	assertFalse(lock.hasQueuedThreads());
123	<	lock.lock();
124	<	t1.start();
125	<	Thread.sleep(SHORT_DELAY_MS);
126	<	assertTrue(lock.hasQueuedThreads());
127	<	t2.start();
128	<	Thread.sleep(SHORT_DELAY_MS);
129	<	assertTrue(lock.hasQueuedThreads());
130	<	t1.interrupt();
131	<	Thread.sleep(SHORT_DELAY_MS);
132	<	assertTrue(lock.hasQueuedThreads());
133	<	lock.unlock();
134	<	Thread.sleep(SHORT_DELAY_MS);
135	<	assertFalse(lock.hasQueuedThreads());
136	<	t1.join();
137	<	t2.join();
144	<	} catch(Exception e){
145	<	unexpectedException();
146	<	}
147	<	}
121	>	assertFalse(lock.hasQueuedThreads());
122	>	lock.lock();
123	>	t1.start();
124	>	Thread.sleep(SHORT_DELAY_MS);
125	>	assertTrue(lock.hasQueuedThreads());
126	>	t2.start();
127	>	Thread.sleep(SHORT_DELAY_MS);
128	>	assertTrue(lock.hasQueuedThreads());
129	>	t1.interrupt();
130	>	Thread.sleep(SHORT_DELAY_MS);
131	>	assertTrue(lock.hasQueuedThreads());
132	>	lock.unlock();
133	>	Thread.sleep(SHORT_DELAY_MS);
134	>	assertFalse(lock.hasQueuedThreads());
135	>	t1.join();
136	>	t2.join();
137	>	}
138
139		/**
140		* getQueueLength reports number of waiting threads
141		*/
142	<	public void testGetQueueLength() {
143	<	final ReentrantLock lock = new ReentrantLock();
142	>	public void testGetQueueLength() throws InterruptedException {
143	>	final ReentrantLock lock = new ReentrantLock();
144		Thread t1 = new Thread(new InterruptedLockRunnable(lock));
145		Thread t2 = new Thread(new InterruptibleLockRunnable(lock));
146	<	try {
147	<	assertEquals(0, lock.getQueueLength());
148	<	lock.lock();
149	<	t1.start();
150	<	Thread.sleep(SHORT_DELAY_MS);
151	<	assertEquals(1, lock.getQueueLength());
152	<	t2.start();
153	<	Thread.sleep(SHORT_DELAY_MS);
154	<	assertEquals(2, lock.getQueueLength());
155	<	t1.interrupt();
156	<	Thread.sleep(SHORT_DELAY_MS);
157	<	assertEquals(1, lock.getQueueLength());
158	<	lock.unlock();
159	<	Thread.sleep(SHORT_DELAY_MS);
160	<	assertEquals(0, lock.getQueueLength());
161	<	t1.join();
162	<	t2.join();
173	<	} catch(Exception e){
174	<	unexpectedException();
175	<	}
176	<	}
146	>	assertEquals(0, lock.getQueueLength());
147	>	lock.lock();
148	>	t1.start();
149	>	Thread.sleep(SHORT_DELAY_MS);
150	>	assertEquals(1, lock.getQueueLength());
151	>	t2.start();
152	>	Thread.sleep(SHORT_DELAY_MS);
153	>	assertEquals(2, lock.getQueueLength());
154	>	t1.interrupt();
155	>	Thread.sleep(SHORT_DELAY_MS);
156	>	assertEquals(1, lock.getQueueLength());
157	>	lock.unlock();
158	>	Thread.sleep(SHORT_DELAY_MS);
159	>	assertEquals(0, lock.getQueueLength());
160	>	t1.join();
161	>	t2.join();
162	>	}
163
164		/**
165		* getQueueLength reports number of waiting threads
166		*/
167	<	public void testGetQueueLength_fair() {
168	<	final ReentrantLock lock = new ReentrantLock(true);
167	>	public void testGetQueueLength_fair() throws InterruptedException {
168	>	final ReentrantLock lock = new ReentrantLock(true);
169		Thread t1 = new Thread(new InterruptedLockRunnable(lock));
170		Thread t2 = new Thread(new InterruptibleLockRunnable(lock));
171	<	try {
172	<	assertEquals(0, lock.getQueueLength());
173	<	lock.lock();
174	<	t1.start();
175	<	Thread.sleep(SHORT_DELAY_MS);
176	<	assertEquals(1, lock.getQueueLength());
177	<	t2.start();
178	<	Thread.sleep(SHORT_DELAY_MS);
179	<	assertEquals(2, lock.getQueueLength());
180	<	t1.interrupt();
181	<	Thread.sleep(SHORT_DELAY_MS);
182	<	assertEquals(1, lock.getQueueLength());
183	<	lock.unlock();
184	<	Thread.sleep(SHORT_DELAY_MS);
185	<	assertEquals(0, lock.getQueueLength());
186	<	t1.join();
187	<	t2.join();
188	<	} catch(Exception e){
189	<	unexpectedException();
190	<	}
191	<	}
171	>	assertEquals(0, lock.getQueueLength());
172	>	lock.lock();
173	>	t1.start();
174	>	Thread.sleep(SHORT_DELAY_MS);
175	>	assertEquals(1, lock.getQueueLength());
176	>	t2.start();
177	>	Thread.sleep(SHORT_DELAY_MS);
178	>	assertEquals(2, lock.getQueueLength());
179	>	t1.interrupt();
180	>	Thread.sleep(SHORT_DELAY_MS);
181	>	assertEquals(1, lock.getQueueLength());
182	>	lock.unlock();
183	>	Thread.sleep(SHORT_DELAY_MS);
184	>	assertEquals(0, lock.getQueueLength());
185	>	t1.join();
186	>	t2.join();
187	>	}
188	>
189	>	/**
190	>	* hasQueuedThread(null) throws NPE
191	>	*/
192	>	public void testHasQueuedThreadNPE() {
193	>	final ReentrantLock sync = new ReentrantLock();
194	>	try {
195	>	sync.hasQueuedThread(null);
196	>	shouldThrow();
197	>	} catch (NullPointerException success) {}
198	>	}
199	>
200	>	/**
201	>	* hasQueuedThread reports whether a thread is queued.
202	>	*/
203	>	public void testHasQueuedThread() throws InterruptedException {
204	>	final ReentrantLock sync = new ReentrantLock();
205	>	Thread t1 = new Thread(new InterruptedLockRunnable(sync));
206	>	Thread t2 = new Thread(new InterruptibleLockRunnable(sync));
207	>	assertFalse(sync.hasQueuedThread(t1));
208	>	assertFalse(sync.hasQueuedThread(t2));
209	>	sync.lock();
210	>	t1.start();
211	>	Thread.sleep(SHORT_DELAY_MS);
212	>	assertTrue(sync.hasQueuedThread(t1));
213	>	t2.start();
214	>	Thread.sleep(SHORT_DELAY_MS);
215	>	assertTrue(sync.hasQueuedThread(t1));
216	>	assertTrue(sync.hasQueuedThread(t2));
217	>	t1.interrupt();
218	>	Thread.sleep(SHORT_DELAY_MS);
219	>	assertFalse(sync.hasQueuedThread(t1));
220	>	assertTrue(sync.hasQueuedThread(t2));
221	>	sync.unlock();
222	>	Thread.sleep(SHORT_DELAY_MS);
223	>	assertFalse(sync.hasQueuedThread(t1));
224	>	Thread.sleep(SHORT_DELAY_MS);
225	>	assertFalse(sync.hasQueuedThread(t2));
226	>	t1.join();
227	>	t2.join();
228	>	}
229	>
230
231		/**
232		* getQueuedThreads includes waiting threads
233		*/
234	<	public void testGetQueuedThreads() {
235	<	final PublicReentrantLock lock = new PublicReentrantLock();
234	>	public void testGetQueuedThreads() throws InterruptedException {
235	>	final PublicReentrantLock lock = new PublicReentrantLock();
236		Thread t1 = new Thread(new InterruptedLockRunnable(lock));
237		Thread t2 = new Thread(new InterruptibleLockRunnable(lock));
238	<	try {
239	<	assertTrue(lock.getQueuedThreads().isEmpty());
240	<	lock.lock();
241	<	assertTrue(lock.getQueuedThreads().isEmpty());
242	<	t1.start();
243	<	Thread.sleep(SHORT_DELAY_MS);
244	<	assertTrue(lock.getQueuedThreads().contains(t1));
245	<	t2.start();
246	<	Thread.sleep(SHORT_DELAY_MS);
247	<	assertTrue(lock.getQueuedThreads().contains(t1));
248	<	assertTrue(lock.getQueuedThreads().contains(t2));
249	<	t1.interrupt();
250	<	Thread.sleep(SHORT_DELAY_MS);
251	<	assertFalse(lock.getQueuedThreads().contains(t1));
252	<	assertTrue(lock.getQueuedThreads().contains(t2));
253	<	lock.unlock();
254	<	Thread.sleep(SHORT_DELAY_MS);
255	<	assertTrue(lock.getQueuedThreads().isEmpty());
256	<	t1.join();
257	<	t2.join();
234	<	} catch(Exception e){
235	<	unexpectedException();
236	<	}
237	<	}
238	>	assertTrue(lock.getQueuedThreads().isEmpty());
239	>	lock.lock();
240	>	assertTrue(lock.getQueuedThreads().isEmpty());
241	>	t1.start();
242	>	Thread.sleep(SHORT_DELAY_MS);
243	>	assertTrue(lock.getQueuedThreads().contains(t1));
244	>	t2.start();
245	>	Thread.sleep(SHORT_DELAY_MS);
246	>	assertTrue(lock.getQueuedThreads().contains(t1));
247	>	assertTrue(lock.getQueuedThreads().contains(t2));
248	>	t1.interrupt();
249	>	Thread.sleep(SHORT_DELAY_MS);
250	>	assertFalse(lock.getQueuedThreads().contains(t1));
251	>	assertTrue(lock.getQueuedThreads().contains(t2));
252	>	lock.unlock();
253	>	Thread.sleep(SHORT_DELAY_MS);
254	>	assertTrue(lock.getQueuedThreads().isEmpty());
255	>	t1.join();
256	>	t2.join();
257	>	}
258
259
260		/**
261		* timed tryLock is interruptible.
262		*/
263	<	public void testInterruptedException2() {
264	<	final ReentrantLock lock = new ReentrantLock();
265	<	lock.lock();
266	<	Thread t = new Thread(new Runnable() {
267	<	public void run() {
268	<	try {
269	<	lock.tryLock(MEDIUM_DELAY_MS,TimeUnit.MILLISECONDS);
270	<	threadShouldThrow();
271	<	} catch(InterruptedException success){}
272	<	}
273	<	});
254	<	try {
255	<	t.start();
256	<	t.interrupt();
257	<	} catch(Exception e){
258	<	unexpectedException();
259	<	}
263	>	public void testInterruptedException2() throws InterruptedException {
264	>	final ReentrantLock lock = new ReentrantLock();
265	>	lock.lock();
266	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
267	>	public void realRun() throws InterruptedException {
268	>	lock.tryLock(MEDIUM_DELAY_MS,TimeUnit.MILLISECONDS);
269	>	}});
270	>
271	>	t.start();
272	>	t.interrupt();
273	>	t.join();
274		}
275
276
277		/**
278		* TryLock on a locked lock fails
279		*/
280	<	public void testTryLockWhenLocked() {
281	<	final ReentrantLock lock = new ReentrantLock();
282	<	lock.lock();
283	<	Thread t = new Thread(new Runnable() {
284	<	public void run() {
285	<	threadAssertFalse(lock.tryLock());
286	<	}
287	<	});
288	<	try {
289	<	t.start();
290	<	t.join();
291	<	lock.unlock();
278	<	} catch(Exception e){
279	<	unexpectedException();
280	<	}
281	<	}
280	>	public void testTryLockWhenLocked() throws InterruptedException {
281	>	final ReentrantLock lock = new ReentrantLock();
282	>	lock.lock();
283	>	Thread t = new Thread(new CheckedRunnable() {
284	>	public void realRun() {
285	>	threadAssertFalse(lock.tryLock());
286	>	}});
287	>
288	>	t.start();
289	>	t.join();
290	>	lock.unlock();
291	>	}
292
293		/**
294		* Timed tryLock on a locked lock times out
295		*/
296	<	public void testTryLock_Timeout() {
297	<	final ReentrantLock lock = new ReentrantLock();
298	<	lock.lock();
299	<	Thread t = new Thread(new Runnable() {
300	<	public void run() {
301	<	try {
302	<	threadAssertFalse(lock.tryLock(1, TimeUnit.MILLISECONDS));
303	<	} catch (Exception ex) {
304	<	threadUnexpectedException();
305	<	}
306	<	}
307	<	});
308	<	try {
299	<	t.start();
300	<	t.join();
301	<	lock.unlock();
302	<	} catch(Exception e){
303	<	unexpectedException();
304	<	}
305	<	}
306	<
296	>	public void testTryLock_Timeout() throws InterruptedException {
297	>	final ReentrantLock lock = new ReentrantLock();
298	>	lock.lock();
299	>	Thread t = new Thread(new CheckedRunnable() {
300	>	public void realRun() throws InterruptedException {
301	>	threadAssertFalse(lock.tryLock(1, TimeUnit.MILLISECONDS));
302	>	}});
303	>
304	>	t.start();
305	>	t.join();
306	>	lock.unlock();
307	>	}
308	>
309		/**
310		* getHoldCount returns number of recursive holds
311		*/
312		public void testGetHoldCount() {
313	<	ReentrantLock lock = new ReentrantLock();
314	<	for(int i = 1; i <= SIZE; i++) {
315	<	lock.lock();
316	<	assertEquals(i,lock.getHoldCount());
317	<	}
318	<	for(int i = SIZE; i > 0; i--) {
319	<	lock.unlock();
320	<	assertEquals(i-1,lock.getHoldCount());
321	<	}
313	>	ReentrantLock lock = new ReentrantLock();
314	>	for (int i = 1; i <= SIZE; i++) {
315	>	lock.lock();
316	>	assertEquals(i, lock.getHoldCount());
317	>	}
318	>	for (int i = SIZE; i > 0; i--) {
319	>	lock.unlock();
320	>	assertEquals(i-1, lock.getHoldCount());
321	>	}
322		}
323	<
324	<
323	>
324	>
325		/**
326		* isLocked is true when locked and false when not
327		*/
328	<	public void testIsLocked() {
329	<	final ReentrantLock lock = new ReentrantLock();
330	<	lock.lock();
331	<	assertTrue(lock.isLocked());
332	<	lock.unlock();
333	<	assertFalse(lock.isLocked());
334	<	Thread t = new Thread(new Runnable() {
335	<	public void run() {
336	<	lock.lock();
337	<	try {
338	<	Thread.sleep(SMALL_DELAY_MS);
339	<	}
340	<	catch(Exception e) {
341	<	threadUnexpectedException();
342	<	}
343	<	lock.unlock();
344	<	}
345	<	});
344	<	try {
345	<	t.start();
346	<	Thread.sleep(SHORT_DELAY_MS);
347	<	assertTrue(lock.isLocked());
348	<	t.join();
349	<	assertFalse(lock.isLocked());
350	<	} catch(Exception e){
351	<	unexpectedException();
352	<	}
328	>	public void testIsLocked() throws InterruptedException {
329	>	final ReentrantLock lock = new ReentrantLock();
330	>	lock.lock();
331	>	assertTrue(lock.isLocked());
332	>	lock.unlock();
333	>	assertFalse(lock.isLocked());
334	>	Thread t = new Thread(new CheckedRunnable() {
335	>	public void realRun() throws InterruptedException {
336	>	lock.lock();
337	>	Thread.sleep(SMALL_DELAY_MS);
338	>	lock.unlock();
339	>	}});
340	>
341	>	t.start();
342	>	Thread.sleep(SHORT_DELAY_MS);
343	>	assertTrue(lock.isLocked());
344	>	t.join();
345	>	assertFalse(lock.isLocked());
346		}
347
348
349		/**
350		* lockInterruptibly is interruptible.
351		*/
352	<	public void testLockInterruptibly1() {
353	<	final ReentrantLock lock = new ReentrantLock();
354	<	lock.lock();
355	<	Thread t = new Thread(new InterruptedLockRunnable(lock));
356	<	try {
357	<	t.start();
358	<	t.interrupt();
359	<	lock.unlock();
360	<	t.join();
361	<	} catch(Exception e){
362	<	unexpectedException();
370	<	}
371	<	}
352	>	public void testLockInterruptibly1() throws InterruptedException {
353	>	final ReentrantLock lock = new ReentrantLock();
354	>	lock.lock();
355	>	Thread t = new Thread(new InterruptedLockRunnable(lock));
356	>	t.start();
357	>	Thread.sleep(SHORT_DELAY_MS);
358	>	t.interrupt();
359	>	Thread.sleep(SHORT_DELAY_MS);
360	>	lock.unlock();
361	>	t.join();
362	>	}
363
364		/**
365		* lockInterruptibly succeeds when unlocked, else is interruptible
366		*/
367	<	public void testLockInterruptibly2() {
368	<	final ReentrantLock lock = new ReentrantLock();
369	<	try {
370	<	lock.lockInterruptibly();
371	<	} catch(Exception e) {
372	<	unexpectedException();
373	<	}
374	<	Thread t = new Thread(new InterruptedLockRunnable(lock));
375	<	try {
385	<	t.start();
386	<	t.interrupt();
387	<	assertTrue(lock.isLocked());
388	<	assertTrue(lock.isHeldByCurrentThread());
389	<	t.join();
390	<	} catch(Exception e){
391	<	unexpectedException();
392	<	}
367	>	public void testLockInterruptibly2() throws InterruptedException {
368	>	final ReentrantLock lock = new ReentrantLock();
369	>	lock.lockInterruptibly();
370	>	Thread t = new Thread(new InterruptedLockRunnable(lock));
371	>	t.start();
372	>	t.interrupt();
373	>	assertTrue(lock.isLocked());
374	>	assertTrue(lock.isHeldByCurrentThread());
375	>	t.join();
376		}
377
378		/**
379		* Calling await without holding lock throws IllegalMonitorStateException
380		*/
381	<	public void testAwait_IllegalMonitor() {
382	<	final ReentrantLock lock = new ReentrantLock();
381	>	public void testAwait_IllegalMonitor() throws InterruptedException {
382	>	final ReentrantLock lock = new ReentrantLock();
383		final Condition c = lock.newCondition();
384		try {
385		c.await();
386		shouldThrow();
387	<	}
405	<	catch (IllegalMonitorStateException success) {
406	<	}
407	<	catch (Exception ex) {
408	<	unexpectedException();
409	<	}
387	>	} catch (IllegalMonitorStateException success) {}
388		}
389
390		/**
391		* Calling signal without holding lock throws IllegalMonitorStateException
392		*/
393		public void testSignal_IllegalMonitor() {
394	<	final ReentrantLock lock = new ReentrantLock();
394	>	final ReentrantLock lock = new ReentrantLock();
395		final Condition c = lock.newCondition();
396		try {
397		c.signal();
398		shouldThrow();
399	<	}
422	<	catch (IllegalMonitorStateException success) {
423	<	}
424	<	catch (Exception ex) {
425	<	unexpectedException();
426	<	}
399	>	} catch (IllegalMonitorStateException success) {}
400		}
401
402		/**
403		* awaitNanos without a signal times out
404		*/
405	<	public void testAwaitNanos_Timeout() {
406	<	final ReentrantLock lock = new ReentrantLock();
405	>	public void testAwaitNanos_Timeout() throws InterruptedException {
406	>	final ReentrantLock lock = new ReentrantLock();
407		final Condition c = lock.newCondition();
408	<	try {
409	<	lock.lock();
410	<	long t = c.awaitNanos(100);
411	<	assertTrue(t <= 0);
439	<	lock.unlock();
440	<	}
441	<	catch (Exception ex) {
442	<	unexpectedException();
443	<	}
408	>	lock.lock();
409	>	long t = c.awaitNanos(100);
410	>	assertTrue(t <= 0);
411	>	lock.unlock();
412		}
413
414		/**
415		*  timed await without a signal times out
416		*/
417	<	public void testAwait_Timeout() {
418	<	final ReentrantLock lock = new ReentrantLock();
417	>	public void testAwait_Timeout() throws InterruptedException {
418	>	final ReentrantLock lock = new ReentrantLock();
419		final Condition c = lock.newCondition();
420	<	try {
421	<	lock.lock();
422	<	assertFalse(c.await(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
455	<	lock.unlock();
456	<	}
457	<	catch (Exception ex) {
458	<	unexpectedException();
459	<	}
420	>	lock.lock();
421	>	assertFalse(c.await(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
422	>	lock.unlock();
423		}
424
425		/**
426		* awaitUntil without a signal times out
427		*/
428	<	public void testAwaitUntil_Timeout() {
429	<	final ReentrantLock lock = new ReentrantLock();
428	>	public void testAwaitUntil_Timeout() throws InterruptedException {
429	>	final ReentrantLock lock = new ReentrantLock();
430		final Condition c = lock.newCondition();
431	<	try {
432	<	lock.lock();
433	<	java.util.Date d = new java.util.Date();
434	<	assertFalse(c.awaitUntil(new java.util.Date(d.getTime() + 10)));
472	<	lock.unlock();
473	<	}
474	<	catch (Exception ex) {
475	<	unexpectedException();
476	<	}
431	>	lock.lock();
432	>	java.util.Date d = new java.util.Date();
433	>	assertFalse(c.awaitUntil(new java.util.Date(d.getTime() + 10)));
434	>	lock.unlock();
435		}
436
437		/**
438		* await returns when signalled
439		*/
440	<	public void testAwait() {
441	<	final ReentrantLock lock = new ReentrantLock();
440	>	public void testAwait() throws InterruptedException {
441	>	final ReentrantLock lock = new ReentrantLock();
442		final Condition c = lock.newCondition();
443	<	Thread t = new Thread(new Runnable() {
444	<	public void run() {
445	<	try {
446	<	lock.lock();
447	<	c.await();
448	<	lock.unlock();
449	<	}
450	<	catch(InterruptedException e) {
451	<	threadUnexpectedException();
452	<	}
453	<	}
454	<	});
455	<
456	<	try {
499	<	t.start();
500	<	Thread.sleep(SHORT_DELAY_MS);
501	<	lock.lock();
502	<	c.signal();
503	<	lock.unlock();
504	<	t.join(SHORT_DELAY_MS);
505	<	assertFalse(t.isAlive());
506	<	}
507	<	catch (Exception ex) {
508	<	unexpectedException();
509	<	}
443	>	Thread t = new Thread(new CheckedRunnable() {
444	>	public void realRun() throws InterruptedException {
445	>	lock.lock();
446	>	c.await();
447	>	lock.unlock();
448	>	}});
449	>
450	>	t.start();
451	>	Thread.sleep(SHORT_DELAY_MS);
452	>	lock.lock();
453	>	c.signal();
454	>	lock.unlock();
455	>	t.join(SHORT_DELAY_MS);
456	>	assertFalse(t.isAlive());
457		}
458
459		/**
460		* hasWaiters throws NPE if null
461		*/
462		public void testHasWaitersNPE() {
463	<	final ReentrantLock lock = new ReentrantLock();
463	>	final ReentrantLock lock = new ReentrantLock();
464		try {
465		lock.hasWaiters(null);
466		shouldThrow();
467	<	} catch (NullPointerException success) {
521	<	} catch (Exception ex) {
522	<	unexpectedException();
523	<	}
467	>	} catch (NullPointerException success) {}
468		}
469
470		/**
471		* getWaitQueueLength throws NPE if null
472		*/
473		public void testGetWaitQueueLengthNPE() {
474	<	final ReentrantLock lock = new ReentrantLock();
474	>	final ReentrantLock lock = new ReentrantLock();
475		try {
476		lock.getWaitQueueLength(null);
477		shouldThrow();
478	<	} catch (NullPointerException success) {
535	<	} catch (Exception ex) {
536	<	unexpectedException();
537	<	}
478	>	} catch (NullPointerException success) {}
479		}
480
481
#	Line 542 | Line 483 | public class ReentrantLockTest extends J
483		* getWaitingThreads throws NPE if null
484		*/
485		public void testGetWaitingThreadsNPE() {
486	<	final PublicReentrantLock lock = new PublicReentrantLock();
486	>	final PublicReentrantLock lock = new PublicReentrantLock();
487		try {
488		lock.getWaitingThreads(null);
489		shouldThrow();
490	<	} catch (NullPointerException success) {
550	<	} catch (Exception ex) {
551	<	unexpectedException();
552	<	}
490	>	} catch (NullPointerException success) {}
491		}
492
493
#	Line 557 | Line 495 | public class ReentrantLockTest extends J
495		* hasWaiters throws IAE if not owned
496		*/
497		public void testHasWaitersIAE() {
498	<	final ReentrantLock lock = new ReentrantLock();
499	<	final Condition c = (lock.newCondition());
500	<	final ReentrantLock lock2 = new ReentrantLock();
498	>	final ReentrantLock lock = new ReentrantLock();
499	>	final Condition c = lock.newCondition();
500	>	final ReentrantLock lock2 = new ReentrantLock();
501		try {
502		lock2.hasWaiters(c);
503		shouldThrow();
504	<	} catch (IllegalArgumentException success) {
567	<	} catch (Exception ex) {
568	<	unexpectedException();
569	<	}
504	>	} catch (IllegalArgumentException success) {}
505		}
506
507		/**
508		* hasWaiters throws IMSE if not locked
509		*/
510		public void testHasWaitersIMSE() {
511	<	final ReentrantLock lock = new ReentrantLock();
512	<	final Condition c = (lock.newCondition());
511	>	final ReentrantLock lock = new ReentrantLock();
512	>	final Condition c = lock.newCondition();
513		try {
514		lock.hasWaiters(c);
515		shouldThrow();
516	<	} catch (IllegalMonitorStateException success) {
582	<	} catch (Exception ex) {
583	<	unexpectedException();
584	<	}
516	>	} catch (IllegalMonitorStateException success) {}
517		}
518
519
#	Line 589 | Line 521 | public class ReentrantLockTest extends J
521		* getWaitQueueLength throws IAE if not owned
522		*/
523		public void testGetWaitQueueLengthIAE() {
524	<	final ReentrantLock lock = new ReentrantLock();
525	<	final Condition c = (lock.newCondition());
526	<	final ReentrantLock lock2 = new ReentrantLock();
524	>	final ReentrantLock lock = new ReentrantLock();
525	>	final Condition c = lock.newCondition();
526	>	final ReentrantLock lock2 = new ReentrantLock();
527		try {
528		lock2.getWaitQueueLength(c);
529		shouldThrow();
530	<	} catch (IllegalArgumentException success) {
599	<	} catch (Exception ex) {
600	<	unexpectedException();
601	<	}
530	>	} catch (IllegalArgumentException success) {}
531		}
532
533		/**
534		* getWaitQueueLength throws IMSE if not locked
535		*/
536		public void testGetWaitQueueLengthIMSE() {
537	<	final ReentrantLock lock = new ReentrantLock();
538	<	final Condition c = (lock.newCondition());
537	>	final ReentrantLock lock = new ReentrantLock();
538	>	final Condition c = lock.newCondition();
539		try {
540		lock.getWaitQueueLength(c);
541		shouldThrow();
542	<	} catch (IllegalMonitorStateException success) {
614	<	} catch (Exception ex) {
615	<	unexpectedException();
616	<	}
542	>	} catch (IllegalMonitorStateException success) {}
543		}
544
545
#	Line 621 | Line 547 | public class ReentrantLockTest extends J
547		* getWaitingThreads throws IAE if not owned
548		*/
549		public void testGetWaitingThreadsIAE() {
550	<	final PublicReentrantLock lock = new PublicReentrantLock();
551	<	final Condition c = (lock.newCondition());
552	<	final PublicReentrantLock lock2 = new PublicReentrantLock();
550	>	final PublicReentrantLock lock = new PublicReentrantLock();
551	>	final Condition c = lock.newCondition();
552	>	final PublicReentrantLock lock2 = new PublicReentrantLock();
553		try {
554		lock2.getWaitingThreads(c);
555		shouldThrow();
556	<	} catch (IllegalArgumentException success) {
631	<	} catch (Exception ex) {
632	<	unexpectedException();
633	<	}
556	>	} catch (IllegalArgumentException success) {}
557		}
558
559		/**
560		* getWaitingThreads throws IMSE if not locked
561		*/
562		public void testGetWaitingThreadsIMSE() {
563	<	final PublicReentrantLock lock = new PublicReentrantLock();
564	<	final Condition c = (lock.newCondition());
563	>	final PublicReentrantLock lock = new PublicReentrantLock();
564	>	final Condition c = lock.newCondition();
565		try {
566		lock.getWaitingThreads(c);
567		shouldThrow();
568	<	} catch (IllegalMonitorStateException success) {
646	<	} catch (Exception ex) {
647	<	unexpectedException();
648	<	}
568	>	} catch (IllegalMonitorStateException success) {}
569		}
570
571
652	–
572		/**
573		* hasWaiters returns true when a thread is waiting, else false
574		*/
575	<	public void testHasWaiters() {
576	<	final ReentrantLock lock = new ReentrantLock();
575	>	public void testHasWaiters() throws InterruptedException {
576	>	final ReentrantLock lock = new ReentrantLock();
577		final Condition c = lock.newCondition();
578	<	Thread t = new Thread(new Runnable() {
579	<	public void run() {
580	<	try {
581	<	lock.lock();
582	<	threadAssertFalse(lock.hasWaiters(c));
583	<	threadAssertEquals(0, lock.getWaitQueueLength(c));
584	<	c.await();
585	<	lock.unlock();
586	<	}
587	<	catch(InterruptedException e) {
588	<	threadUnexpectedException();
589	<	}
590	<	}
591	<	});
592	<
593	<	try {
594	<	t.start();
595	<	Thread.sleep(SHORT_DELAY_MS);
596	<	lock.lock();
597	<	assertTrue(lock.hasWaiters(c));
598	<	assertEquals(1, lock.getWaitQueueLength(c));
599	<	c.signal();
600	<	lock.unlock();
682	<	Thread.sleep(SHORT_DELAY_MS);
683	<	lock.lock();
684	<	assertFalse(lock.hasWaiters(c));
685	<	assertEquals(0, lock.getWaitQueueLength(c));
686	<	lock.unlock();
687	<	t.join(SHORT_DELAY_MS);
688	<	assertFalse(t.isAlive());
689	<	}
690	<	catch (Exception ex) {
691	<	unexpectedException();
692	<	}
578	>	Thread t = new Thread(new CheckedRunnable() {
579	>	public void realRun() throws InterruptedException {
580	>	lock.lock();
581	>	threadAssertFalse(lock.hasWaiters(c));
582	>	threadAssertEquals(0, lock.getWaitQueueLength(c));
583	>	c.await();
584	>	lock.unlock();
585	>	}});
586	>
587	>	t.start();
588	>	Thread.sleep(SHORT_DELAY_MS);
589	>	lock.lock();
590	>	assertTrue(lock.hasWaiters(c));
591	>	assertEquals(1, lock.getWaitQueueLength(c));
592	>	c.signal();
593	>	lock.unlock();
594	>	Thread.sleep(SHORT_DELAY_MS);
595	>	lock.lock();
596	>	assertFalse(lock.hasWaiters(c));
597	>	assertEquals(0, lock.getWaitQueueLength(c));
598	>	lock.unlock();
599	>	t.join(SHORT_DELAY_MS);
600	>	assertFalse(t.isAlive());
601		}
602
603		/**
604		* getWaitQueueLength returns number of waiting threads
605		*/
606	<	public void testGetWaitQueueLength() {
607	<	final ReentrantLock lock = new ReentrantLock();
606	>	public void testGetWaitQueueLength() throws InterruptedException {
607	>	final ReentrantLock lock = new ReentrantLock();
608		final Condition c = lock.newCondition();
609	<	Thread t1 = new Thread(new Runnable() {
610	<	public void run() {
611	<	try {
612	<	lock.lock();
613	<	threadAssertFalse(lock.hasWaiters(c));
614	<	threadAssertEquals(0, lock.getWaitQueueLength(c));
615	<	c.await();
616	<	lock.unlock();
617	<	}
618	<	catch(InterruptedException e) {
619	<	threadUnexpectedException();
620	<	}
621	<	}
622	<	});
623	<
624	<	Thread t2 = new Thread(new Runnable() {
625	<	public void run() {
626	<	try {
627	<	lock.lock();
628	<	threadAssertTrue(lock.hasWaiters(c));
629	<	threadAssertEquals(1, lock.getWaitQueueLength(c));
630	<	c.await();
631	<	lock.unlock();
632	<	}
633	<	catch(InterruptedException e) {
634	<	threadUnexpectedException();
635	<	}
636	<	}
637	<	});
638	<
639	<	try {
640	<	t1.start();
641	<	Thread.sleep(SHORT_DELAY_MS);
642	<	t2.start();
643	<	Thread.sleep(SHORT_DELAY_MS);
644	<	lock.lock();
737	<	assertTrue(lock.hasWaiters(c));
738	<	assertEquals(2, lock.getWaitQueueLength(c));
739	<	c.signalAll();
740	<	lock.unlock();
741	<	Thread.sleep(SHORT_DELAY_MS);
742	<	lock.lock();
743	<	assertFalse(lock.hasWaiters(c));
744	<	assertEquals(0, lock.getWaitQueueLength(c));
745	<	lock.unlock();
746	<	t1.join(SHORT_DELAY_MS);
747	<	t2.join(SHORT_DELAY_MS);
748	<	assertFalse(t1.isAlive());
749	<	assertFalse(t2.isAlive());
750	<	}
751	<	catch (Exception ex) {
752	<	unexpectedException();
753	<	}
609	>	Thread t1 = new Thread(new CheckedRunnable() {
610	>	public void realRun() throws InterruptedException {
611	>	lock.lock();
612	>	threadAssertFalse(lock.hasWaiters(c));
613	>	threadAssertEquals(0, lock.getWaitQueueLength(c));
614	>	c.await();
615	>	lock.unlock();
616	>	}});
617	>
618	>	Thread t2 = new Thread(new CheckedRunnable() {
619	>	public void realRun() throws InterruptedException {
620	>	lock.lock();
621	>	threadAssertTrue(lock.hasWaiters(c));
622	>	threadAssertEquals(1, lock.getWaitQueueLength(c));
623	>	c.await();
624	>	lock.unlock();
625	>	}});
626	>
627	>	t1.start();
628	>	Thread.sleep(SHORT_DELAY_MS);
629	>	t2.start();
630	>	Thread.sleep(SHORT_DELAY_MS);
631	>	lock.lock();
632	>	assertTrue(lock.hasWaiters(c));
633	>	assertEquals(2, lock.getWaitQueueLength(c));
634	>	c.signalAll();
635	>	lock.unlock();
636	>	Thread.sleep(SHORT_DELAY_MS);
637	>	lock.lock();
638	>	assertFalse(lock.hasWaiters(c));
639	>	assertEquals(0, lock.getWaitQueueLength(c));
640	>	lock.unlock();
641	>	t1.join(SHORT_DELAY_MS);
642	>	t2.join(SHORT_DELAY_MS);
643	>	assertFalse(t1.isAlive());
644	>	assertFalse(t2.isAlive());
645		}
646
647		/**
648		* getWaitingThreads returns only and all waiting threads
649		*/
650	<	public void testGetWaitingThreads() {
651	<	final PublicReentrantLock lock = new PublicReentrantLock();
650	>	public void testGetWaitingThreads() throws InterruptedException {
651	>	final PublicReentrantLock lock = new PublicReentrantLock();
652		final Condition c = lock.newCondition();
653	<	Thread t1 = new Thread(new Runnable() {
654	<	public void run() {
655	<	try {
656	<	lock.lock();
657	<	threadAssertTrue(lock.getWaitingThreads(c).isEmpty());
658	<	c.await();
659	<	lock.unlock();
660	<	}
661	<	catch(InterruptedException e) {
662	<	threadUnexpectedException();
663	<	}
664	<	}
665	<	});
666	<
667	<	Thread t2 = new Thread(new Runnable() {
668	<	public void run() {
669	<	try {
670	<	lock.lock();
671	<	threadAssertFalse(lock.getWaitingThreads(c).isEmpty());
672	<	c.await();
673	<	lock.unlock();
674	<	}
675	<	catch(InterruptedException e) {
676	<	threadUnexpectedException();
677	<	}
678	<	}
679	<	});
653	>	Thread t1 = new Thread(new CheckedRunnable() {
654	>	public void realRun() throws InterruptedException {
655	>	lock.lock();
656	>	threadAssertTrue(lock.getWaitingThreads(c).isEmpty());
657	>	c.await();
658	>	lock.unlock();
659	>	}});
660	>
661	>	Thread t2 = new Thread(new CheckedRunnable() {
662	>	public void realRun() throws InterruptedException {
663	>	lock.lock();
664	>	threadAssertFalse(lock.getWaitingThreads(c).isEmpty());
665	>	c.await();
666	>	lock.unlock();
667	>	}});
668	>
669	>	lock.lock();
670	>	assertTrue(lock.getWaitingThreads(c).isEmpty());
671	>	lock.unlock();
672	>	t1.start();
673	>	Thread.sleep(SHORT_DELAY_MS);
674	>	t2.start();
675	>	Thread.sleep(SHORT_DELAY_MS);
676	>	lock.lock();
677	>	assertTrue(lock.hasWaiters(c));
678	>	assertTrue(lock.getWaitingThreads(c).contains(t1));
679	>	assertTrue(lock.getWaitingThreads(c).contains(t2));
680	>	c.signalAll();
681	>	lock.unlock();
682	>	Thread.sleep(SHORT_DELAY_MS);
683	>	lock.lock();
684	>	assertFalse(lock.hasWaiters(c));
685	>	assertTrue(lock.getWaitingThreads(c).isEmpty());
686	>	lock.unlock();
687	>	t1.join(SHORT_DELAY_MS);
688	>	t2.join(SHORT_DELAY_MS);
689	>	assertFalse(t1.isAlive());
690	>	assertFalse(t2.isAlive());
691	>	}
692	>
693	>	/** A helper class for uninterruptible wait tests */
694	>	class UninterruptibleThread extends Thread {
695	>	private ReentrantLock lock;
696	>	private Condition c;
697	>
698	>	public volatile boolean canAwake = false;
699	>	public volatile boolean interrupted = false;
700	>	public volatile boolean lockStarted = false;
701	>
702	>	public UninterruptibleThread(ReentrantLock lock, Condition c) {
703	>	this.lock = lock;
704	>	this.c = c;
705	>	}
706	>
707	>	public synchronized void run() {
708	>	lock.lock();
709	>	lockStarted = true;
710	>
711	>	while (!canAwake) {
712	>	c.awaitUninterruptibly();
713	>	}
714
715	<	try {
791	<	lock.lock();
792	<	assertTrue(lock.getWaitingThreads(c).isEmpty());
793	<	lock.unlock();
794	<	t1.start();
795	<	Thread.sleep(SHORT_DELAY_MS);
796	<	t2.start();
797	<	Thread.sleep(SHORT_DELAY_MS);
798	<	lock.lock();
799	<	assertTrue(lock.hasWaiters(c));
800	<	assertTrue(lock.getWaitingThreads(c).contains(t1));
801	<	assertTrue(lock.getWaitingThreads(c).contains(t2));
802	<	c.signalAll();
803	<	lock.unlock();
804	<	Thread.sleep(SHORT_DELAY_MS);
805	<	lock.lock();
806	<	assertFalse(lock.hasWaiters(c));
807	<	assertTrue(lock.getWaitingThreads(c).isEmpty());
715	>	interrupted = isInterrupted();
716		lock.unlock();
809	–	t1.join(SHORT_DELAY_MS);
810	–	t2.join(SHORT_DELAY_MS);
811	–	assertFalse(t1.isAlive());
812	–	assertFalse(t2.isAlive());
813	–	}
814	–	catch (Exception ex) {
815	–	unexpectedException();
717		}
718		}
719
819	–
820	–
720		/**
721		* awaitUninterruptibly doesn't abort on interrupt
722		*/
723	<	public void testAwaitUninterruptibly() {
724	<	final ReentrantLock lock = new ReentrantLock();
723	>	public void testAwaitUninterruptibly() throws InterruptedException {
724	>	final ReentrantLock lock = new ReentrantLock();
725		final Condition c = lock.newCondition();
726	<	Thread t = new Thread(new Runnable() {
727	<	public void run() {
728	<	lock.lock();
830	<	c.awaitUninterruptibly();
831	<	lock.unlock();
832	<	}
833	<	});
726	>	UninterruptibleThread thread = new UninterruptibleThread(lock, c);
727	>
728	>	thread.start();
729
730	+	while (!thread.lockStarted) {
731	+	Thread.sleep(100);
732	+	}
733	+
734	+	lock.lock();
735		try {
736	<	t.start();
737	<	Thread.sleep(SHORT_DELAY_MS);
838	<	t.interrupt();
839	<	lock.lock();
736	>	thread.interrupt();
737	>	thread.canAwake = true;
738		c.signal();
739	+	} finally {
740		lock.unlock();
842	–	assert(t.isInterrupted());
843	–	t.join(SHORT_DELAY_MS);
844	–	assertFalse(t.isAlive());
845	–	}
846	–	catch (Exception ex) {
847	–	unexpectedException();
741		}
742	+
743	+	thread.join();
744	+	assertTrue(thread.interrupted);
745	+	assertFalse(thread.isAlive());
746		}
747
748		/**
749		* await is interruptible
750		*/
751	<	public void testAwait_Interrupt() {
752	<	final ReentrantLock lock = new ReentrantLock();
751	>	public void testAwait_Interrupt() throws InterruptedException {
752	>	final ReentrantLock lock = new ReentrantLock();
753		final Condition c = lock.newCondition();
754	<	Thread t = new Thread(new Runnable() {
755	<	public void run() {
756	<	try {
757	<	lock.lock();
758	<	c.await();
759	<	lock.unlock();
760	<	threadShouldThrow();
761	<	}
762	<	catch(InterruptedException success) {
763	<	}
764	<	}
868	<	});
869	<
870	<	try {
871	<	t.start();
872	<	Thread.sleep(SHORT_DELAY_MS);
873	<	t.interrupt();
874	<	t.join(SHORT_DELAY_MS);
875	<	assertFalse(t.isAlive());
876	<	}
877	<	catch (Exception ex) {
878	<	unexpectedException();
879	<	}
754	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
755	>	public void realRun() throws InterruptedException {
756	>	lock.lock();
757	>	c.await();
758	>	}});
759	>
760	>	t.start();
761	>	Thread.sleep(SHORT_DELAY_MS);
762	>	t.interrupt();
763	>	t.join(SHORT_DELAY_MS);
764	>	assertFalse(t.isAlive());
765		}
766
767		/**
768		* awaitNanos is interruptible
769		*/
770	<	public void testAwaitNanos_Interrupt() {
771	<	final ReentrantLock lock = new ReentrantLock();
770	>	public void testAwaitNanos_Interrupt() throws InterruptedException {
771	>	final ReentrantLock lock = new ReentrantLock();
772		final Condition c = lock.newCondition();
773	<	Thread t = new Thread(new Runnable() {
774	<	public void run() {
775	<	try {
776	<	lock.lock();
777	<	c.awaitNanos(1000 * 1000 * 1000); // 1 sec
778	<	lock.unlock();
779	<	threadShouldThrow();
780	<	}
781	<	catch(InterruptedException success) {
782	<	}
783	<	}
899	<	});
900	<
901	<	try {
902	<	t.start();
903	<	Thread.sleep(SHORT_DELAY_MS);
904	<	t.interrupt();
905	<	t.join(SHORT_DELAY_MS);
906	<	assertFalse(t.isAlive());
907	<	}
908	<	catch (Exception ex) {
909	<	unexpectedException();
910	<	}
773	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
774	>	public void realRun() throws InterruptedException {
775	>	lock.lock();
776	>	c.awaitNanos(1000 * 1000 * 1000); // 1 sec
777	>	}});
778	>
779	>	t.start();
780	>	Thread.sleep(SHORT_DELAY_MS);
781	>	t.interrupt();
782	>	t.join(SHORT_DELAY_MS);
783	>	assertFalse(t.isAlive());
784		}
785
786		/**
787		* awaitUntil is interruptible
788		*/
789	<	public void testAwaitUntil_Interrupt() {
790	<	final ReentrantLock lock = new ReentrantLock();
789	>	public void testAwaitUntil_Interrupt() throws InterruptedException {
790	>	final ReentrantLock lock = new ReentrantLock();
791		final Condition c = lock.newCondition();
792	<	Thread t = new Thread(new Runnable() {
793	<	public void run() {
794	<	try {
795	<	lock.lock();
796	<	java.util.Date d = new java.util.Date();
797	<	c.awaitUntil(new java.util.Date(d.getTime() + 10000));
798	<	lock.unlock();
799	<	threadShouldThrow();
800	<	}
801	<	catch(InterruptedException success) {
802	<	}
803	<	}
931	<	});
932	<
933	<	try {
934	<	t.start();
935	<	Thread.sleep(SHORT_DELAY_MS);
936	<	t.interrupt();
937	<	t.join(SHORT_DELAY_MS);
938	<	assertFalse(t.isAlive());
939	<	}
940	<	catch (Exception ex) {
941	<	unexpectedException();
942	<	}
792	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
793	>	public void realRun() throws InterruptedException {
794	>	lock.lock();
795	>	java.util.Date d = new java.util.Date();
796	>	c.awaitUntil(new java.util.Date(d.getTime() + 10000));
797	>	}});
798	>
799	>	t.start();
800	>	Thread.sleep(SHORT_DELAY_MS);
801	>	t.interrupt();
802	>	t.join(SHORT_DELAY_MS);
803	>	assertFalse(t.isAlive());
804		}
805
806		/**
807		* signalAll wakes up all threads
808		*/
809	<	public void testSignalAll() {
810	<	final ReentrantLock lock = new ReentrantLock();
809	>	public void testSignalAll() throws InterruptedException {
810	>	final ReentrantLock lock = new ReentrantLock();
811		final Condition c = lock.newCondition();
812	<	Thread t1 = new Thread(new Runnable() {
813	<	public void run() {
814	<	try {
815	<	lock.lock();
816	<	c.await();
817	<	lock.unlock();
818	<	}
819	<	catch(InterruptedException e) {
820	<	threadUnexpectedException();
821	<	}
822	<	}
823	<	});
824	<
825	<	Thread t2 = new Thread(new Runnable() {
826	<	public void run() {
827	<	try {
828	<	lock.lock();
829	<	c.await();
830	<	lock.unlock();
831	<	}
832	<	catch(InterruptedException e) {
833	<	threadUnexpectedException();
834	<	}
835	<	}
836	<	});
837	<
838	<	try {
839	<	t1.start();
840	<	t2.start();
841	<	Thread.sleep(SHORT_DELAY_MS);
842	<	lock.lock();
843	<	c.signalAll();
844	<	lock.unlock();
845	<	t1.join(SHORT_DELAY_MS);
846	<	t2.join(SHORT_DELAY_MS);
847	<	assertFalse(t1.isAlive());
848	<	assertFalse(t2.isAlive());
849	<	}
850	<	catch (Exception ex) {
851	<	unexpectedException();
852	<	}
812	>	Thread t1 = new Thread(new CheckedRunnable() {
813	>	public void realRun() throws InterruptedException {
814	>	lock.lock();
815	>	c.await();
816	>	lock.unlock();
817	>	}});
818	>
819	>	Thread t2 = new Thread(new CheckedRunnable() {
820	>	public void realRun() throws InterruptedException {
821	>	lock.lock();
822	>	c.await();
823	>	lock.unlock();
824	>	}});
825	>
826	>	t1.start();
827	>	t2.start();
828	>	Thread.sleep(SHORT_DELAY_MS);
829	>	lock.lock();
830	>	c.signalAll();
831	>	lock.unlock();
832	>	t1.join(SHORT_DELAY_MS);
833	>	t2.join(SHORT_DELAY_MS);
834	>	assertFalse(t1.isAlive());
835	>	assertFalse(t2.isAlive());
836	>	}
837	>
838	>	/**
839	>	* await after multiple reentrant locking preserves lock count
840	>	*/
841	>	public void testAwaitLockCount() throws InterruptedException {
842	>	final ReentrantLock lock = new ReentrantLock();
843	>	final Condition c = lock.newCondition();
844	>	Thread t1 = new Thread(new CheckedRunnable() {
845	>	public void realRun() throws InterruptedException {
846	>	lock.lock();
847	>	threadAssertEquals(1, lock.getHoldCount());
848	>	c.await();
849	>	threadAssertEquals(1, lock.getHoldCount());
850	>	lock.unlock();
851	>	}});
852	>
853	>	Thread t2 = new Thread(new CheckedRunnable() {
854	>	public void realRun() throws InterruptedException {
855	>	lock.lock();
856	>	lock.lock();
857	>	threadAssertEquals(2, lock.getHoldCount());
858	>	c.await();
859	>	threadAssertEquals(2, lock.getHoldCount());
860	>	lock.unlock();
861	>	lock.unlock();
862	>	}});
863	>
864	>	t1.start();
865	>	t2.start();
866	>	Thread.sleep(SHORT_DELAY_MS);
867	>	lock.lock();
868	>	c.signalAll();
869	>	lock.unlock();
870	>	t1.join(SHORT_DELAY_MS);
871	>	t2.join(SHORT_DELAY_MS);
872	>	assertFalse(t1.isAlive());
873	>	assertFalse(t2.isAlive());
874		}
875
876		/**
877		* A serialized lock deserializes as unlocked
878		*/
879	<	public void testSerialization() {
879	>	public void testSerialization() throws Exception {
880		ReentrantLock l = new ReentrantLock();
881		l.lock();
882		l.unlock();
883
884	<	try {
885	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
886	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
887	<	out.writeObject(l);
888	<	out.close();
889	<
890	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
891	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
892	<	ReentrantLock r = (ReentrantLock) in.readObject();
893	<	r.lock();
894	<	r.unlock();
895	<	} catch(Exception e){
896	<	e.printStackTrace();
1015	<	unexpectedException();
1016	<	}
884	>	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
885	>	ObjectOutputStream out =
886	>	new ObjectOutputStream(new BufferedOutputStream(bout));
887	>	out.writeObject(l);
888	>	out.close();
889	>
890	>	ByteArrayInputStream bin =
891	>	new ByteArrayInputStream(bout.toByteArray());
892	>	ObjectInputStream in =
893	>	new ObjectInputStream(new BufferedInputStream(bin));
894	>	ReentrantLock r = (ReentrantLock) in.readObject();
895	>	r.lock();
896	>	r.unlock();
897		}
898
899		/**

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines