6 |
|
* Pat Fisher, Mike Judd. |
7 |
|
*/ |
8 |
|
|
9 |
– |
|
9 |
|
import junit.framework.*; |
10 |
|
import java.util.*; |
12 |
– |
import java.util.concurrent.*; |
11 |
|
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
12 |
< |
import java.util.concurrent.locks.*; |
13 |
< |
import java.io.*; |
12 |
> |
import java.util.concurrent.locks.AbstractQueuedLongSynchronizer; |
13 |
> |
import java.util.concurrent.locks.AbstractQueuedLongSynchronizer.ConditionObject; |
14 |
|
|
15 |
|
public class AbstractQueuedLongSynchronizerTest extends JSR166TestCase { |
16 |
|
public static void main(String[] args) { |
21 |
|
} |
22 |
|
|
23 |
|
/** |
24 |
< |
* A simple mutex class, adapted from the |
25 |
< |
* AbstractQueuedLongSynchronizer javadoc. Exclusive acquire tests |
28 |
< |
* exercise this as a sample user extension. Other |
29 |
< |
* methods/features of AbstractQueuedLongSynchronizerTest are tested |
30 |
< |
* via other test classes, including those for ReentrantLock, |
31 |
< |
* ReentrantReadWriteLock, and Semaphore |
24 |
> |
* A simple mutex class, adapted from the class javadoc. Exclusive |
25 |
> |
* acquire tests exercise this as a sample user extension. |
26 |
|
*/ |
27 |
|
static class Mutex extends AbstractQueuedLongSynchronizer { |
28 |
< |
// Use value > 32 bits for locked state |
29 |
< |
static final long LOCKED = 1 << 48; |
28 |
> |
/** An eccentric value > 32 bits for locked synchronizer state. */ |
29 |
> |
static final long LOCKED = (1L << 63) | (1L << 15); |
30 |
> |
|
31 |
> |
static final long UNLOCKED = 0; |
32 |
> |
|
33 |
|
public boolean isHeldExclusively() { |
34 |
< |
return getState() == LOCKED; |
34 |
> |
long state = getState(); |
35 |
> |
assertTrue(state == UNLOCKED || state == LOCKED); |
36 |
> |
return state == LOCKED; |
37 |
|
} |
38 |
|
|
39 |
|
public boolean tryAcquire(long acquires) { |
40 |
< |
return compareAndSetState(0, LOCKED); |
40 |
> |
assertEquals(LOCKED, acquires); |
41 |
> |
return compareAndSetState(UNLOCKED, LOCKED); |
42 |
|
} |
43 |
|
|
44 |
|
public boolean tryRelease(long releases) { |
45 |
< |
if (getState() == 0) throw new IllegalMonitorStateException(); |
46 |
< |
setState(0); |
45 |
> |
if (getState() != LOCKED) throw new IllegalMonitorStateException(); |
46 |
> |
setState(UNLOCKED); |
47 |
|
return true; |
48 |
|
} |
49 |
|
|
50 |
< |
public AbstractQueuedLongSynchronizer.ConditionObject newCondition() { |
51 |
< |
return new AbstractQueuedLongSynchronizer.ConditionObject(); |
50 |
> |
public boolean tryAcquireNanos(long nanos) throws InterruptedException { |
51 |
> |
return tryAcquireNanos(LOCKED, nanos); |
52 |
|
} |
53 |
|
|
54 |
< |
} |
54 |
> |
public boolean tryAcquire() { |
55 |
> |
return tryAcquire(LOCKED); |
56 |
> |
} |
57 |
|
|
58 |
+ |
public boolean tryRelease() { |
59 |
+ |
return tryRelease(LOCKED); |
60 |
+ |
} |
61 |
+ |
|
62 |
+ |
public void acquire() { |
63 |
+ |
acquire(LOCKED); |
64 |
+ |
} |
65 |
+ |
|
66 |
+ |
public void acquireInterruptibly() throws InterruptedException { |
67 |
+ |
acquireInterruptibly(LOCKED); |
68 |
+ |
} |
69 |
+ |
|
70 |
+ |
public void release() { |
71 |
+ |
release(LOCKED); |
72 |
+ |
} |
73 |
+ |
|
74 |
+ |
public ConditionObject newCondition() { |
75 |
+ |
return new ConditionObject(); |
76 |
+ |
} |
77 |
+ |
} |
78 |
|
|
79 |
|
/** |
80 |
|
* A simple latch class, to test shared mode. |
98 |
|
*/ |
99 |
|
class InterruptibleSyncRunnable extends CheckedRunnable { |
100 |
|
final Mutex sync; |
101 |
< |
InterruptibleSyncRunnable(Mutex l) { sync = l; } |
101 |
> |
InterruptibleSyncRunnable(Mutex sync) { this.sync = sync; } |
102 |
|
public void realRun() throws InterruptedException { |
103 |
< |
sync.acquireInterruptibly(1); |
103 |
> |
sync.acquireInterruptibly(); |
104 |
|
} |
105 |
|
} |
106 |
|
|
85 |
– |
|
107 |
|
/** |
108 |
|
* A runnable calling acquireInterruptibly that expects to be |
109 |
|
* interrupted. |
110 |
|
*/ |
111 |
|
class InterruptedSyncRunnable extends CheckedInterruptedRunnable { |
112 |
|
final Mutex sync; |
113 |
< |
InterruptedSyncRunnable(Mutex l) { sync = l; } |
113 |
> |
InterruptedSyncRunnable(Mutex sync) { this.sync = sync; } |
114 |
|
public void realRun() throws InterruptedException { |
115 |
< |
sync.acquireInterruptibly(1); |
115 |
> |
sync.acquireInterruptibly(); |
116 |
> |
} |
117 |
> |
} |
118 |
> |
|
119 |
> |
/** A constant to clarify calls to checking methods below. */ |
120 |
> |
static final Thread[] NO_THREADS = new Thread[0]; |
121 |
> |
|
122 |
> |
/** |
123 |
> |
* Spin-waits until sync.isQueued(t) becomes true. |
124 |
> |
*/ |
125 |
> |
void waitForQueuedThread(AbstractQueuedLongSynchronizer sync, |
126 |
> |
Thread t) { |
127 |
> |
long startTime = System.nanoTime(); |
128 |
> |
while (!sync.isQueued(t)) { |
129 |
> |
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
130 |
> |
throw new AssertionFailedError("timed out"); |
131 |
> |
Thread.yield(); |
132 |
> |
} |
133 |
> |
assertTrue(t.isAlive()); |
134 |
> |
} |
135 |
> |
|
136 |
> |
/** |
137 |
> |
* Checks that sync has exactly the given queued threads. |
138 |
> |
*/ |
139 |
> |
void assertHasQueuedThreads(AbstractQueuedLongSynchronizer sync, |
140 |
> |
Thread... expected) { |
141 |
> |
Collection<Thread> actual = sync.getQueuedThreads(); |
142 |
> |
assertEquals(expected.length > 0, sync.hasQueuedThreads()); |
143 |
> |
assertEquals(expected.length, sync.getQueueLength()); |
144 |
> |
assertEquals(expected.length, actual.size()); |
145 |
> |
assertEquals(expected.length == 0, actual.isEmpty()); |
146 |
> |
assertEquals(new HashSet<Thread>(actual), |
147 |
> |
new HashSet<Thread>(Arrays.asList(expected))); |
148 |
> |
} |
149 |
> |
|
150 |
> |
/** |
151 |
> |
* Checks that sync has exactly the given (exclusive) queued threads. |
152 |
> |
*/ |
153 |
> |
void assertHasExclusiveQueuedThreads(AbstractQueuedLongSynchronizer sync, |
154 |
> |
Thread... expected) { |
155 |
> |
assertHasQueuedThreads(sync, expected); |
156 |
> |
assertEquals(new HashSet<Thread>(sync.getExclusiveQueuedThreads()), |
157 |
> |
new HashSet<Thread>(sync.getQueuedThreads())); |
158 |
> |
assertEquals(0, sync.getSharedQueuedThreads().size()); |
159 |
> |
assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
160 |
> |
} |
161 |
> |
|
162 |
> |
/** |
163 |
> |
* Checks that sync has exactly the given (shared) queued threads. |
164 |
> |
*/ |
165 |
> |
void assertHasSharedQueuedThreads(AbstractQueuedLongSynchronizer sync, |
166 |
> |
Thread... expected) { |
167 |
> |
assertHasQueuedThreads(sync, expected); |
168 |
> |
assertEquals(new HashSet<Thread>(sync.getSharedQueuedThreads()), |
169 |
> |
new HashSet<Thread>(sync.getQueuedThreads())); |
170 |
> |
assertEquals(0, sync.getExclusiveQueuedThreads().size()); |
171 |
> |
assertTrue(sync.getExclusiveQueuedThreads().isEmpty()); |
172 |
> |
} |
173 |
> |
|
174 |
> |
/** |
175 |
> |
* Checks that condition c has exactly the given waiter threads, |
176 |
> |
* after acquiring mutex. |
177 |
> |
*/ |
178 |
> |
void assertHasWaitersUnlocked(Mutex sync, ConditionObject c, |
179 |
> |
Thread... threads) { |
180 |
> |
sync.acquire(); |
181 |
> |
assertHasWaitersLocked(sync, c, threads); |
182 |
> |
sync.release(); |
183 |
> |
} |
184 |
> |
|
185 |
> |
/** |
186 |
> |
* Checks that condition c has exactly the given waiter threads. |
187 |
> |
*/ |
188 |
> |
void assertHasWaitersLocked(Mutex sync, ConditionObject c, |
189 |
> |
Thread... threads) { |
190 |
> |
assertEquals(threads.length > 0, sync.hasWaiters(c)); |
191 |
> |
assertEquals(threads.length, sync.getWaitQueueLength(c)); |
192 |
> |
assertEquals(threads.length == 0, sync.getWaitingThreads(c).isEmpty()); |
193 |
> |
assertEquals(threads.length, sync.getWaitingThreads(c).size()); |
194 |
> |
assertEquals(new HashSet<Thread>(sync.getWaitingThreads(c)), |
195 |
> |
new HashSet<Thread>(Arrays.asList(threads))); |
196 |
> |
} |
197 |
> |
|
198 |
> |
enum AwaitMethod { await, awaitTimed, awaitNanos, awaitUntil }; |
199 |
> |
|
200 |
> |
/** |
201 |
> |
* Awaits condition using the specified AwaitMethod. |
202 |
> |
*/ |
203 |
> |
void await(ConditionObject c, AwaitMethod awaitMethod) |
204 |
> |
throws InterruptedException { |
205 |
> |
long timeoutMillis = 2 * LONG_DELAY_MS; |
206 |
> |
switch (awaitMethod) { |
207 |
> |
case await: |
208 |
> |
c.await(); |
209 |
> |
break; |
210 |
> |
case awaitTimed: |
211 |
> |
assertTrue(c.await(timeoutMillis, MILLISECONDS)); |
212 |
> |
break; |
213 |
> |
case awaitNanos: |
214 |
> |
long nanosTimeout = MILLISECONDS.toNanos(timeoutMillis); |
215 |
> |
long nanosRemaining = c.awaitNanos(nanosTimeout); |
216 |
> |
assertTrue(nanosRemaining > 0); |
217 |
> |
break; |
218 |
> |
case awaitUntil: |
219 |
> |
assertTrue(c.awaitUntil(delayedDate(timeoutMillis))); |
220 |
> |
break; |
221 |
|
} |
222 |
|
} |
223 |
|
|
224 |
|
/** |
225 |
+ |
* Checks that awaiting the given condition times out (using the |
226 |
+ |
* default timeout duration). |
227 |
+ |
*/ |
228 |
+ |
void assertAwaitTimesOut(ConditionObject c, AwaitMethod awaitMethod) { |
229 |
+ |
long timeoutMillis = timeoutMillis(); |
230 |
+ |
long startTime = System.nanoTime(); |
231 |
+ |
try { |
232 |
+ |
switch (awaitMethod) { |
233 |
+ |
case awaitTimed: |
234 |
+ |
assertFalse(c.await(timeoutMillis, MILLISECONDS)); |
235 |
+ |
break; |
236 |
+ |
case awaitNanos: |
237 |
+ |
long nanosTimeout = MILLISECONDS.toNanos(timeoutMillis); |
238 |
+ |
long nanosRemaining = c.awaitNanos(nanosTimeout); |
239 |
+ |
assertTrue(nanosRemaining <= 0); |
240 |
+ |
break; |
241 |
+ |
case awaitUntil: |
242 |
+ |
assertFalse(c.awaitUntil(delayedDate(timeoutMillis))); |
243 |
+ |
break; |
244 |
+ |
default: |
245 |
+ |
throw new UnsupportedOperationException(); |
246 |
+ |
} |
247 |
+ |
} catch (InterruptedException ie) { threadUnexpectedException(ie); } |
248 |
+ |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
249 |
+ |
} |
250 |
+ |
|
251 |
+ |
/** |
252 |
|
* isHeldExclusively is false upon construction |
253 |
|
*/ |
254 |
|
public void testIsHeldExclusively() { |
255 |
< |
Mutex rl = new Mutex(); |
256 |
< |
assertFalse(rl.isHeldExclusively()); |
255 |
> |
Mutex sync = new Mutex(); |
256 |
> |
assertFalse(sync.isHeldExclusively()); |
257 |
|
} |
258 |
|
|
259 |
|
/** |
260 |
|
* acquiring released sync succeeds |
261 |
|
*/ |
262 |
|
public void testAcquire() { |
263 |
< |
Mutex rl = new Mutex(); |
264 |
< |
rl.acquire(1); |
265 |
< |
assertTrue(rl.isHeldExclusively()); |
266 |
< |
rl.release(1); |
267 |
< |
assertFalse(rl.isHeldExclusively()); |
263 |
> |
Mutex sync = new Mutex(); |
264 |
> |
sync.acquire(); |
265 |
> |
assertTrue(sync.isHeldExclusively()); |
266 |
> |
sync.release(); |
267 |
> |
assertFalse(sync.isHeldExclusively()); |
268 |
|
} |
269 |
|
|
270 |
|
/** |
271 |
< |
* tryAcquire on an released sync succeeds |
271 |
> |
* tryAcquire on a released sync succeeds |
272 |
|
*/ |
273 |
|
public void testTryAcquire() { |
274 |
< |
Mutex rl = new Mutex(); |
275 |
< |
assertTrue(rl.tryAcquire(1)); |
276 |
< |
assertTrue(rl.isHeldExclusively()); |
277 |
< |
rl.release(1); |
274 |
> |
Mutex sync = new Mutex(); |
275 |
> |
assertTrue(sync.tryAcquire()); |
276 |
> |
assertTrue(sync.isHeldExclusively()); |
277 |
> |
sync.release(); |
278 |
> |
assertFalse(sync.isHeldExclusively()); |
279 |
|
} |
280 |
|
|
281 |
|
/** |
282 |
|
* hasQueuedThreads reports whether there are waiting threads |
283 |
|
*/ |
284 |
< |
public void testhasQueuedThreads() throws InterruptedException { |
284 |
> |
public void testHasQueuedThreads() { |
285 |
|
final Mutex sync = new Mutex(); |
132 |
– |
Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
133 |
– |
Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
286 |
|
assertFalse(sync.hasQueuedThreads()); |
287 |
< |
sync.acquire(1); |
288 |
< |
t1.start(); |
289 |
< |
Thread.sleep(SHORT_DELAY_MS); |
287 |
> |
sync.acquire(); |
288 |
> |
Thread t1 = newStartedThread(new InterruptedSyncRunnable(sync)); |
289 |
> |
waitForQueuedThread(sync, t1); |
290 |
|
assertTrue(sync.hasQueuedThreads()); |
291 |
< |
t2.start(); |
292 |
< |
Thread.sleep(SHORT_DELAY_MS); |
291 |
> |
Thread t2 = newStartedThread(new InterruptibleSyncRunnable(sync)); |
292 |
> |
waitForQueuedThread(sync, t2); |
293 |
|
assertTrue(sync.hasQueuedThreads()); |
294 |
|
t1.interrupt(); |
295 |
< |
Thread.sleep(SHORT_DELAY_MS); |
295 |
> |
awaitTermination(t1); |
296 |
|
assertTrue(sync.hasQueuedThreads()); |
297 |
< |
sync.release(1); |
298 |
< |
Thread.sleep(SHORT_DELAY_MS); |
297 |
> |
sync.release(); |
298 |
> |
awaitTermination(t2); |
299 |
|
assertFalse(sync.hasQueuedThreads()); |
148 |
– |
t1.join(); |
149 |
– |
t2.join(); |
300 |
|
} |
301 |
|
|
302 |
|
/** |
303 |
< |
* isQueued(null) throws NPE |
303 |
> |
* isQueued(null) throws NullPointerException |
304 |
|
*/ |
305 |
|
public void testIsQueuedNPE() { |
306 |
|
final Mutex sync = new Mutex(); |
311 |
|
} |
312 |
|
|
313 |
|
/** |
314 |
< |
* isQueued reports whether a thread is queued. |
314 |
> |
* isQueued reports whether a thread is queued |
315 |
|
*/ |
316 |
< |
public void testIsQueued() throws InterruptedException { |
316 |
> |
public void testIsQueued() { |
317 |
|
final Mutex sync = new Mutex(); |
318 |
|
Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
319 |
|
Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
320 |
|
assertFalse(sync.isQueued(t1)); |
321 |
|
assertFalse(sync.isQueued(t2)); |
322 |
< |
sync.acquire(1); |
322 |
> |
sync.acquire(); |
323 |
|
t1.start(); |
324 |
< |
Thread.sleep(SHORT_DELAY_MS); |
324 |
> |
waitForQueuedThread(sync, t1); |
325 |
|
assertTrue(sync.isQueued(t1)); |
326 |
+ |
assertFalse(sync.isQueued(t2)); |
327 |
|
t2.start(); |
328 |
< |
Thread.sleep(SHORT_DELAY_MS); |
328 |
> |
waitForQueuedThread(sync, t2); |
329 |
|
assertTrue(sync.isQueued(t1)); |
330 |
|
assertTrue(sync.isQueued(t2)); |
331 |
|
t1.interrupt(); |
332 |
< |
Thread.sleep(SHORT_DELAY_MS); |
332 |
> |
awaitTermination(t1); |
333 |
|
assertFalse(sync.isQueued(t1)); |
334 |
|
assertTrue(sync.isQueued(t2)); |
335 |
< |
sync.release(1); |
336 |
< |
Thread.sleep(SHORT_DELAY_MS); |
335 |
> |
sync.release(); |
336 |
> |
awaitTermination(t2); |
337 |
|
assertFalse(sync.isQueued(t1)); |
187 |
– |
Thread.sleep(SHORT_DELAY_MS); |
338 |
|
assertFalse(sync.isQueued(t2)); |
189 |
– |
t1.join(); |
190 |
– |
t2.join(); |
339 |
|
} |
340 |
|
|
341 |
|
/** |
342 |
|
* getFirstQueuedThread returns first waiting thread or null if none |
343 |
|
*/ |
344 |
< |
public void testGetFirstQueuedThread() throws InterruptedException { |
344 |
> |
public void testGetFirstQueuedThread() { |
345 |
|
final Mutex sync = new Mutex(); |
198 |
– |
Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
199 |
– |
Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
346 |
|
assertNull(sync.getFirstQueuedThread()); |
347 |
< |
sync.acquire(1); |
348 |
< |
t1.start(); |
349 |
< |
Thread.sleep(SHORT_DELAY_MS); |
347 |
> |
sync.acquire(); |
348 |
> |
Thread t1 = newStartedThread(new InterruptedSyncRunnable(sync)); |
349 |
> |
waitForQueuedThread(sync, t1); |
350 |
|
assertEquals(t1, sync.getFirstQueuedThread()); |
351 |
< |
t2.start(); |
352 |
< |
Thread.sleep(SHORT_DELAY_MS); |
351 |
> |
Thread t2 = newStartedThread(new InterruptibleSyncRunnable(sync)); |
352 |
> |
waitForQueuedThread(sync, t2); |
353 |
|
assertEquals(t1, sync.getFirstQueuedThread()); |
354 |
|
t1.interrupt(); |
355 |
< |
Thread.sleep(SHORT_DELAY_MS); |
210 |
< |
Thread.sleep(SHORT_DELAY_MS); |
355 |
> |
awaitTermination(t1); |
356 |
|
assertEquals(t2, sync.getFirstQueuedThread()); |
357 |
< |
sync.release(1); |
358 |
< |
Thread.sleep(SHORT_DELAY_MS); |
357 |
> |
sync.release(); |
358 |
> |
awaitTermination(t2); |
359 |
|
assertNull(sync.getFirstQueuedThread()); |
215 |
– |
t1.join(); |
216 |
– |
t2.join(); |
360 |
|
} |
361 |
|
|
219 |
– |
|
362 |
|
/** |
363 |
|
* hasContended reports false if no thread has ever blocked, else true |
364 |
|
*/ |
365 |
< |
public void testHasContended() throws InterruptedException { |
365 |
> |
public void testHasContended() { |
366 |
|
final Mutex sync = new Mutex(); |
225 |
– |
Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
226 |
– |
Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
367 |
|
assertFalse(sync.hasContended()); |
368 |
< |
sync.acquire(1); |
369 |
< |
t1.start(); |
370 |
< |
Thread.sleep(SHORT_DELAY_MS); |
368 |
> |
sync.acquire(); |
369 |
> |
assertFalse(sync.hasContended()); |
370 |
> |
Thread t1 = newStartedThread(new InterruptedSyncRunnable(sync)); |
371 |
> |
waitForQueuedThread(sync, t1); |
372 |
|
assertTrue(sync.hasContended()); |
373 |
< |
t2.start(); |
374 |
< |
Thread.sleep(SHORT_DELAY_MS); |
373 |
> |
Thread t2 = newStartedThread(new InterruptibleSyncRunnable(sync)); |
374 |
> |
waitForQueuedThread(sync, t2); |
375 |
|
assertTrue(sync.hasContended()); |
376 |
|
t1.interrupt(); |
377 |
< |
Thread.sleep(SHORT_DELAY_MS); |
377 |
> |
awaitTermination(t1); |
378 |
|
assertTrue(sync.hasContended()); |
379 |
< |
sync.release(1); |
380 |
< |
Thread.sleep(SHORT_DELAY_MS); |
379 |
> |
sync.release(); |
380 |
> |
awaitTermination(t2); |
381 |
|
assertTrue(sync.hasContended()); |
241 |
– |
t1.join(); |
242 |
– |
t2.join(); |
382 |
|
} |
383 |
|
|
384 |
|
/** |
385 |
< |
* getQueuedThreads includes waiting threads |
385 |
> |
* getQueuedThreads returns all waiting threads |
386 |
|
*/ |
387 |
< |
public void testGetQueuedThreads() throws InterruptedException { |
387 |
> |
public void testGetQueuedThreads() { |
388 |
|
final Mutex sync = new Mutex(); |
389 |
|
Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
390 |
|
Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
391 |
< |
assertTrue(sync.getQueuedThreads().isEmpty()); |
392 |
< |
sync.acquire(1); |
393 |
< |
assertTrue(sync.getQueuedThreads().isEmpty()); |
391 |
> |
assertHasExclusiveQueuedThreads(sync, NO_THREADS); |
392 |
> |
sync.acquire(); |
393 |
> |
assertHasExclusiveQueuedThreads(sync, NO_THREADS); |
394 |
|
t1.start(); |
395 |
< |
Thread.sleep(SHORT_DELAY_MS); |
395 |
> |
waitForQueuedThread(sync, t1); |
396 |
> |
assertHasExclusiveQueuedThreads(sync, t1); |
397 |
|
assertTrue(sync.getQueuedThreads().contains(t1)); |
398 |
+ |
assertFalse(sync.getQueuedThreads().contains(t2)); |
399 |
|
t2.start(); |
400 |
< |
Thread.sleep(SHORT_DELAY_MS); |
400 |
> |
waitForQueuedThread(sync, t2); |
401 |
> |
assertHasExclusiveQueuedThreads(sync, t1, t2); |
402 |
|
assertTrue(sync.getQueuedThreads().contains(t1)); |
403 |
|
assertTrue(sync.getQueuedThreads().contains(t2)); |
404 |
|
t1.interrupt(); |
405 |
< |
Thread.sleep(SHORT_DELAY_MS); |
406 |
< |
assertFalse(sync.getQueuedThreads().contains(t1)); |
407 |
< |
assertTrue(sync.getQueuedThreads().contains(t2)); |
408 |
< |
sync.release(1); |
409 |
< |
Thread.sleep(SHORT_DELAY_MS); |
268 |
< |
assertTrue(sync.getQueuedThreads().isEmpty()); |
269 |
< |
t1.join(); |
270 |
< |
t2.join(); |
405 |
> |
awaitTermination(t1); |
406 |
> |
assertHasExclusiveQueuedThreads(sync, t2); |
407 |
> |
sync.release(); |
408 |
> |
awaitTermination(t2); |
409 |
> |
assertHasExclusiveQueuedThreads(sync, NO_THREADS); |
410 |
|
} |
411 |
|
|
412 |
|
/** |
413 |
< |
* getExclusiveQueuedThreads includes waiting threads |
413 |
> |
* getExclusiveQueuedThreads returns all exclusive waiting threads |
414 |
|
*/ |
415 |
< |
public void testGetExclusiveQueuedThreads() throws InterruptedException { |
415 |
> |
public void testGetExclusiveQueuedThreads() { |
416 |
|
final Mutex sync = new Mutex(); |
417 |
|
Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
418 |
|
Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
419 |
< |
assertTrue(sync.getExclusiveQueuedThreads().isEmpty()); |
420 |
< |
sync.acquire(1); |
421 |
< |
assertTrue(sync.getExclusiveQueuedThreads().isEmpty()); |
419 |
> |
assertHasExclusiveQueuedThreads(sync, NO_THREADS); |
420 |
> |
sync.acquire(); |
421 |
> |
assertHasExclusiveQueuedThreads(sync, NO_THREADS); |
422 |
|
t1.start(); |
423 |
< |
Thread.sleep(SHORT_DELAY_MS); |
423 |
> |
waitForQueuedThread(sync, t1); |
424 |
> |
assertHasExclusiveQueuedThreads(sync, t1); |
425 |
|
assertTrue(sync.getExclusiveQueuedThreads().contains(t1)); |
426 |
+ |
assertFalse(sync.getExclusiveQueuedThreads().contains(t2)); |
427 |
|
t2.start(); |
428 |
< |
Thread.sleep(SHORT_DELAY_MS); |
428 |
> |
waitForQueuedThread(sync, t2); |
429 |
> |
assertHasExclusiveQueuedThreads(sync, t1, t2); |
430 |
|
assertTrue(sync.getExclusiveQueuedThreads().contains(t1)); |
431 |
|
assertTrue(sync.getExclusiveQueuedThreads().contains(t2)); |
432 |
|
t1.interrupt(); |
433 |
< |
Thread.sleep(SHORT_DELAY_MS); |
434 |
< |
assertFalse(sync.getExclusiveQueuedThreads().contains(t1)); |
435 |
< |
assertTrue(sync.getExclusiveQueuedThreads().contains(t2)); |
436 |
< |
sync.release(1); |
437 |
< |
Thread.sleep(SHORT_DELAY_MS); |
296 |
< |
assertTrue(sync.getExclusiveQueuedThreads().isEmpty()); |
297 |
< |
t1.join(); |
298 |
< |
t2.join(); |
433 |
> |
awaitTermination(t1); |
434 |
> |
assertHasExclusiveQueuedThreads(sync, t2); |
435 |
> |
sync.release(); |
436 |
> |
awaitTermination(t2); |
437 |
> |
assertHasExclusiveQueuedThreads(sync, NO_THREADS); |
438 |
|
} |
439 |
|
|
440 |
|
/** |
441 |
|
* getSharedQueuedThreads does not include exclusively waiting threads |
442 |
|
*/ |
443 |
< |
public void testGetSharedQueuedThreads() throws InterruptedException { |
443 |
> |
public void testGetSharedQueuedThreads_Exclusive() { |
444 |
|
final Mutex sync = new Mutex(); |
306 |
– |
Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
307 |
– |
Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
445 |
|
assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
446 |
< |
sync.acquire(1); |
446 |
> |
sync.acquire(); |
447 |
|
assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
448 |
< |
t1.start(); |
449 |
< |
Thread.sleep(SHORT_DELAY_MS); |
448 |
> |
Thread t1 = newStartedThread(new InterruptedSyncRunnable(sync)); |
449 |
> |
waitForQueuedThread(sync, t1); |
450 |
|
assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
451 |
< |
t2.start(); |
452 |
< |
Thread.sleep(SHORT_DELAY_MS); |
451 |
> |
Thread t2 = newStartedThread(new InterruptibleSyncRunnable(sync)); |
452 |
> |
waitForQueuedThread(sync, t2); |
453 |
|
assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
454 |
|
t1.interrupt(); |
455 |
< |
Thread.sleep(SHORT_DELAY_MS); |
455 |
> |
awaitTermination(t1); |
456 |
|
assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
457 |
< |
sync.release(1); |
458 |
< |
Thread.sleep(SHORT_DELAY_MS); |
457 |
> |
sync.release(); |
458 |
> |
awaitTermination(t2); |
459 |
|
assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
323 |
– |
t1.join(); |
324 |
– |
t2.join(); |
460 |
|
} |
461 |
|
|
462 |
|
/** |
463 |
< |
* tryAcquireNanos is interruptible. |
463 |
> |
* getSharedQueuedThreads returns all shared waiting threads |
464 |
> |
*/ |
465 |
> |
public void testGetSharedQueuedThreads_Shared() { |
466 |
> |
final BooleanLatch l = new BooleanLatch(); |
467 |
> |
assertHasSharedQueuedThreads(l, NO_THREADS); |
468 |
> |
Thread t1 = newStartedThread(new CheckedInterruptedRunnable() { |
469 |
> |
public void realRun() throws InterruptedException { |
470 |
> |
l.acquireSharedInterruptibly(0); |
471 |
> |
}}); |
472 |
> |
waitForQueuedThread(l, t1); |
473 |
> |
assertHasSharedQueuedThreads(l, t1); |
474 |
> |
Thread t2 = newStartedThread(new CheckedRunnable() { |
475 |
> |
public void realRun() throws InterruptedException { |
476 |
> |
l.acquireSharedInterruptibly(0); |
477 |
> |
}}); |
478 |
> |
waitForQueuedThread(l, t2); |
479 |
> |
assertHasSharedQueuedThreads(l, t1, t2); |
480 |
> |
t1.interrupt(); |
481 |
> |
awaitTermination(t1); |
482 |
> |
assertHasSharedQueuedThreads(l, t2); |
483 |
> |
assertTrue(l.releaseShared(0)); |
484 |
> |
awaitTermination(t2); |
485 |
> |
assertHasSharedQueuedThreads(l, NO_THREADS); |
486 |
> |
} |
487 |
> |
|
488 |
> |
/** |
489 |
> |
* tryAcquireNanos is interruptible |
490 |
|
*/ |
491 |
< |
public void testInterruptedException2() throws InterruptedException { |
491 |
> |
public void testTryAcquireNanos_Interruptible() { |
492 |
|
final Mutex sync = new Mutex(); |
493 |
< |
sync.acquire(1); |
494 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
493 |
> |
sync.acquire(); |
494 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
495 |
|
public void realRun() throws InterruptedException { |
496 |
< |
sync.tryAcquireNanos(1, MILLISECONDS.toNanos(MEDIUM_DELAY_MS)); |
496 |
> |
sync.tryAcquireNanos(MILLISECONDS.toNanos(2 * LONG_DELAY_MS)); |
497 |
|
}}); |
498 |
|
|
499 |
< |
t.start(); |
339 |
< |
Thread.sleep(SHORT_DELAY_MS); |
499 |
> |
waitForQueuedThread(sync, t); |
500 |
|
t.interrupt(); |
501 |
< |
t.join(); |
501 |
> |
awaitTermination(t); |
502 |
|
} |
503 |
|
|
344 |
– |
|
504 |
|
/** |
505 |
< |
* TryAcquire on exclusively held sync fails |
505 |
> |
* tryAcquire on exclusively held sync fails |
506 |
|
*/ |
507 |
< |
public void testTryAcquireWhenSynced() throws InterruptedException { |
507 |
> |
public void testTryAcquireWhenSynced() { |
508 |
|
final Mutex sync = new Mutex(); |
509 |
< |
sync.acquire(1); |
510 |
< |
Thread t = new Thread(new CheckedRunnable() { |
509 |
> |
sync.acquire(); |
510 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
511 |
|
public void realRun() { |
512 |
< |
assertFalse(sync.tryAcquire(1)); |
512 |
> |
assertFalse(sync.tryAcquire()); |
513 |
|
}}); |
514 |
|
|
515 |
< |
t.start(); |
516 |
< |
t.join(); |
358 |
< |
sync.release(1); |
515 |
> |
awaitTermination(t); |
516 |
> |
sync.release(); |
517 |
|
} |
518 |
|
|
519 |
|
/** |
520 |
|
* tryAcquireNanos on an exclusively held sync times out |
521 |
|
*/ |
522 |
< |
public void testAcquireNanos_Timeout() throws InterruptedException { |
522 |
> |
public void testAcquireNanos_Timeout() { |
523 |
|
final Mutex sync = new Mutex(); |
524 |
< |
sync.acquire(1); |
525 |
< |
Thread t = new Thread(new CheckedRunnable() { |
524 |
> |
sync.acquire(); |
525 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
526 |
|
public void realRun() throws InterruptedException { |
527 |
< |
long nanos = MILLISECONDS.toNanos(SHORT_DELAY_MS); |
528 |
< |
assertFalse(sync.tryAcquireNanos(1, nanos)); |
527 |
> |
long startTime = System.nanoTime(); |
528 |
> |
long nanos = MILLISECONDS.toNanos(timeoutMillis()); |
529 |
> |
assertFalse(sync.tryAcquireNanos(nanos)); |
530 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
531 |
|
}}); |
532 |
|
|
533 |
< |
t.start(); |
534 |
< |
t.join(); |
375 |
< |
sync.release(1); |
533 |
> |
awaitTermination(t); |
534 |
> |
sync.release(); |
535 |
|
} |
536 |
|
|
378 |
– |
|
537 |
|
/** |
538 |
|
* getState is true when acquired and false when not |
539 |
|
*/ |
540 |
< |
public void testGetState() throws InterruptedException { |
540 |
> |
public void testGetState() { |
541 |
|
final Mutex sync = new Mutex(); |
542 |
< |
sync.acquire(1); |
542 |
> |
sync.acquire(); |
543 |
|
assertTrue(sync.isHeldExclusively()); |
544 |
< |
sync.release(1); |
544 |
> |
sync.release(); |
545 |
|
assertFalse(sync.isHeldExclusively()); |
546 |
< |
Thread t = new Thread(new CheckedRunnable() { |
546 |
> |
|
547 |
> |
final BooleanLatch acquired = new BooleanLatch(); |
548 |
> |
final BooleanLatch done = new BooleanLatch(); |
549 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
550 |
|
public void realRun() throws InterruptedException { |
551 |
< |
sync.acquire(1); |
552 |
< |
Thread.sleep(SMALL_DELAY_MS); |
553 |
< |
sync.release(1); |
551 |
> |
sync.acquire(); |
552 |
> |
assertTrue(acquired.releaseShared(0)); |
553 |
> |
done.acquireShared(0); |
554 |
> |
sync.release(); |
555 |
|
}}); |
556 |
|
|
557 |
< |
t.start(); |
396 |
< |
Thread.sleep(SHORT_DELAY_MS); |
557 |
> |
acquired.acquireShared(0); |
558 |
|
assertTrue(sync.isHeldExclusively()); |
559 |
< |
t.join(); |
559 |
> |
assertTrue(done.releaseShared(0)); |
560 |
> |
awaitTermination(t); |
561 |
|
assertFalse(sync.isHeldExclusively()); |
562 |
|
} |
563 |
|
|
402 |
– |
|
403 |
– |
/** |
404 |
– |
* acquireInterruptibly is interruptible. |
405 |
– |
*/ |
406 |
– |
public void testAcquireInterruptibly1() throws InterruptedException { |
407 |
– |
final Mutex sync = new Mutex(); |
408 |
– |
sync.acquire(1); |
409 |
– |
Thread t = new Thread(new InterruptedSyncRunnable(sync)); |
410 |
– |
t.start(); |
411 |
– |
Thread.sleep(SHORT_DELAY_MS); |
412 |
– |
t.interrupt(); |
413 |
– |
Thread.sleep(SHORT_DELAY_MS); |
414 |
– |
sync.release(1); |
415 |
– |
t.join(); |
416 |
– |
} |
417 |
– |
|
564 |
|
/** |
565 |
|
* acquireInterruptibly succeeds when released, else is interruptible |
566 |
|
*/ |
567 |
< |
public void testAcquireInterruptibly2() throws InterruptedException { |
567 |
> |
public void testAcquireInterruptibly() throws InterruptedException { |
568 |
|
final Mutex sync = new Mutex(); |
569 |
< |
sync.acquireInterruptibly(1); |
570 |
< |
Thread t = new Thread(new InterruptedSyncRunnable(sync)); |
571 |
< |
t.start(); |
572 |
< |
Thread.sleep(SHORT_DELAY_MS); |
569 |
> |
final BooleanLatch threadStarted = new BooleanLatch(); |
570 |
> |
sync.acquireInterruptibly(); |
571 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
572 |
> |
public void realRun() throws InterruptedException { |
573 |
> |
assertTrue(threadStarted.releaseShared(0)); |
574 |
> |
sync.acquireInterruptibly(); |
575 |
> |
}}); |
576 |
> |
|
577 |
> |
threadStarted.acquireShared(0); |
578 |
> |
waitForQueuedThread(sync, t); |
579 |
|
t.interrupt(); |
580 |
+ |
awaitTermination(t); |
581 |
|
assertTrue(sync.isHeldExclusively()); |
429 |
– |
t.join(); |
582 |
|
} |
583 |
|
|
584 |
|
/** |
586 |
|
*/ |
587 |
|
public void testOwns() { |
588 |
|
final Mutex sync = new Mutex(); |
589 |
< |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
589 |
> |
final ConditionObject c = sync.newCondition(); |
590 |
|
final Mutex sync2 = new Mutex(); |
591 |
|
assertTrue(sync.owns(c)); |
592 |
|
assertFalse(sync2.owns(c)); |
595 |
|
/** |
596 |
|
* Calling await without holding sync throws IllegalMonitorStateException |
597 |
|
*/ |
598 |
< |
public void testAwait_IllegalMonitor() throws InterruptedException { |
598 |
> |
public void testAwait_IMSE() { |
599 |
|
final Mutex sync = new Mutex(); |
600 |
< |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
601 |
< |
try { |
602 |
< |
c.await(); |
603 |
< |
shouldThrow(); |
604 |
< |
} catch (IllegalMonitorStateException success) {} |
600 |
> |
final ConditionObject c = sync.newCondition(); |
601 |
> |
for (AwaitMethod awaitMethod : AwaitMethod.values()) { |
602 |
> |
long startTime = System.nanoTime(); |
603 |
> |
try { |
604 |
> |
await(c, awaitMethod); |
605 |
> |
shouldThrow(); |
606 |
> |
} catch (IllegalMonitorStateException success) { |
607 |
> |
} catch (InterruptedException e) { threadUnexpectedException(e); } |
608 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
609 |
> |
} |
610 |
|
} |
611 |
|
|
612 |
|
/** |
613 |
|
* Calling signal without holding sync throws IllegalMonitorStateException |
614 |
|
*/ |
615 |
< |
public void testSignal_IllegalMonitor() throws InterruptedException { |
615 |
> |
public void testSignal_IMSE() { |
616 |
|
final Mutex sync = new Mutex(); |
617 |
< |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
617 |
> |
final ConditionObject c = sync.newCondition(); |
618 |
|
try { |
619 |
|
c.signal(); |
620 |
|
shouldThrow(); |
621 |
|
} catch (IllegalMonitorStateException success) {} |
622 |
+ |
assertHasWaitersUnlocked(sync, c, NO_THREADS); |
623 |
|
} |
624 |
|
|
625 |
|
/** |
626 |
< |
* awaitNanos without a signal times out |
469 |
< |
*/ |
470 |
< |
public void testAwaitNanos_Timeout() throws InterruptedException { |
471 |
< |
final Mutex sync = new Mutex(); |
472 |
< |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
473 |
< |
sync.acquire(1); |
474 |
< |
long t = c.awaitNanos(100); |
475 |
< |
assertTrue(t <= 0); |
476 |
< |
sync.release(1); |
477 |
< |
} |
478 |
< |
|
479 |
< |
/** |
480 |
< |
* Timed await without a signal times out |
626 |
> |
* Calling signalAll without holding sync throws IllegalMonitorStateException |
627 |
|
*/ |
628 |
< |
public void testAwait_Timeout() throws InterruptedException { |
628 |
> |
public void testSignalAll_IMSE() { |
629 |
|
final Mutex sync = new Mutex(); |
630 |
< |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
631 |
< |
sync.acquire(1); |
632 |
< |
assertFalse(c.await(SHORT_DELAY_MS, MILLISECONDS)); |
633 |
< |
sync.release(1); |
630 |
> |
final ConditionObject c = sync.newCondition(); |
631 |
> |
try { |
632 |
> |
c.signalAll(); |
633 |
> |
shouldThrow(); |
634 |
> |
} catch (IllegalMonitorStateException success) {} |
635 |
|
} |
636 |
|
|
637 |
|
/** |
638 |
< |
* awaitUntil without a signal times out |
638 |
> |
* await/awaitNanos/awaitUntil without a signal times out |
639 |
|
*/ |
640 |
< |
public void testAwaitUntil_Timeout() throws InterruptedException { |
640 |
> |
public void testAwaitTimed_Timeout() { testAwait_Timeout(AwaitMethod.awaitTimed); } |
641 |
> |
public void testAwaitNanos_Timeout() { testAwait_Timeout(AwaitMethod.awaitNanos); } |
642 |
> |
public void testAwaitUntil_Timeout() { testAwait_Timeout(AwaitMethod.awaitUntil); } |
643 |
> |
public void testAwait_Timeout(AwaitMethod awaitMethod) { |
644 |
|
final Mutex sync = new Mutex(); |
645 |
< |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
646 |
< |
sync.acquire(1); |
647 |
< |
java.util.Date d = new java.util.Date(); |
648 |
< |
assertFalse(c.awaitUntil(new java.util.Date(d.getTime() + 10))); |
499 |
< |
sync.release(1); |
645 |
> |
final ConditionObject c = sync.newCondition(); |
646 |
> |
sync.acquire(); |
647 |
> |
assertAwaitTimesOut(c, awaitMethod); |
648 |
> |
sync.release(); |
649 |
|
} |
650 |
|
|
651 |
|
/** |
652 |
< |
* await returns when signalled |
652 |
> |
* await/awaitNanos/awaitUntil returns when signalled |
653 |
|
*/ |
654 |
< |
public void testAwait() throws InterruptedException { |
654 |
> |
public void testSignal_await() { testSignal(AwaitMethod.await); } |
655 |
> |
public void testSignal_awaitTimed() { testSignal(AwaitMethod.awaitTimed); } |
656 |
> |
public void testSignal_awaitNanos() { testSignal(AwaitMethod.awaitNanos); } |
657 |
> |
public void testSignal_awaitUntil() { testSignal(AwaitMethod.awaitUntil); } |
658 |
> |
public void testSignal(final AwaitMethod awaitMethod) { |
659 |
|
final Mutex sync = new Mutex(); |
660 |
< |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
661 |
< |
Thread t = new Thread(new CheckedRunnable() { |
660 |
> |
final ConditionObject c = sync.newCondition(); |
661 |
> |
final BooleanLatch acquired = new BooleanLatch(); |
662 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
663 |
|
public void realRun() throws InterruptedException { |
664 |
< |
sync.acquire(1); |
665 |
< |
c.await(); |
666 |
< |
sync.release(1); |
664 |
> |
sync.acquire(); |
665 |
> |
assertTrue(acquired.releaseShared(0)); |
666 |
> |
await(c, awaitMethod); |
667 |
> |
sync.release(); |
668 |
|
}}); |
669 |
|
|
670 |
< |
t.start(); |
671 |
< |
Thread.sleep(SHORT_DELAY_MS); |
672 |
< |
sync.acquire(1); |
670 |
> |
acquired.acquireShared(0); |
671 |
> |
sync.acquire(); |
672 |
> |
assertHasWaitersLocked(sync, c, t); |
673 |
> |
assertHasExclusiveQueuedThreads(sync, NO_THREADS); |
674 |
|
c.signal(); |
675 |
< |
sync.release(1); |
676 |
< |
t.join(SHORT_DELAY_MS); |
677 |
< |
assertFalse(t.isAlive()); |
675 |
> |
assertHasWaitersLocked(sync, c, NO_THREADS); |
676 |
> |
assertHasExclusiveQueuedThreads(sync, t); |
677 |
> |
sync.release(); |
678 |
> |
awaitTermination(t); |
679 |
|
} |
680 |
|
|
524 |
– |
|
525 |
– |
|
681 |
|
/** |
682 |
< |
* hasWaiters throws NPE if null |
682 |
> |
* hasWaiters(null) throws NullPointerException |
683 |
|
*/ |
684 |
|
public void testHasWaitersNPE() { |
685 |
|
final Mutex sync = new Mutex(); |
690 |
|
} |
691 |
|
|
692 |
|
/** |
693 |
< |
* getWaitQueueLength throws NPE if null |
693 |
> |
* getWaitQueueLength(null) throws NullPointerException |
694 |
|
*/ |
695 |
|
public void testGetWaitQueueLengthNPE() { |
696 |
|
final Mutex sync = new Mutex(); |
700 |
|
} catch (NullPointerException success) {} |
701 |
|
} |
702 |
|
|
548 |
– |
|
703 |
|
/** |
704 |
|
* getWaitingThreads throws NPE if null |
705 |
|
*/ |
711 |
|
} catch (NullPointerException success) {} |
712 |
|
} |
713 |
|
|
560 |
– |
|
714 |
|
/** |
715 |
< |
* hasWaiters throws IAE if not owned |
715 |
> |
* hasWaiters throws IllegalArgumentException if not owned |
716 |
|
*/ |
717 |
|
public void testHasWaitersIAE() { |
718 |
|
final Mutex sync = new Mutex(); |
719 |
< |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
719 |
> |
final ConditionObject c = sync.newCondition(); |
720 |
|
final Mutex sync2 = new Mutex(); |
721 |
|
try { |
722 |
|
sync2.hasWaiters(c); |
723 |
|
shouldThrow(); |
724 |
|
} catch (IllegalArgumentException success) {} |
725 |
+ |
assertHasWaitersUnlocked(sync, c, NO_THREADS); |
726 |
|
} |
727 |
|
|
728 |
|
/** |
729 |
< |
* hasWaiters throws IMSE if not synced |
729 |
> |
* hasWaiters throws IllegalMonitorStateException if not synced |
730 |
|
*/ |
731 |
|
public void testHasWaitersIMSE() { |
732 |
|
final Mutex sync = new Mutex(); |
733 |
< |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
733 |
> |
final ConditionObject c = sync.newCondition(); |
734 |
|
try { |
735 |
|
sync.hasWaiters(c); |
736 |
|
shouldThrow(); |
737 |
|
} catch (IllegalMonitorStateException success) {} |
738 |
+ |
assertHasWaitersUnlocked(sync, c, NO_THREADS); |
739 |
|
} |
740 |
|
|
586 |
– |
|
741 |
|
/** |
742 |
< |
* getWaitQueueLength throws IAE if not owned |
742 |
> |
* getWaitQueueLength throws IllegalArgumentException if not owned |
743 |
|
*/ |
744 |
|
public void testGetWaitQueueLengthIAE() { |
745 |
|
final Mutex sync = new Mutex(); |
746 |
< |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
746 |
> |
final ConditionObject c = sync.newCondition(); |
747 |
|
final Mutex sync2 = new Mutex(); |
748 |
|
try { |
749 |
|
sync2.getWaitQueueLength(c); |
750 |
|
shouldThrow(); |
751 |
|
} catch (IllegalArgumentException success) {} |
752 |
+ |
assertHasWaitersUnlocked(sync, c, NO_THREADS); |
753 |
|
} |
754 |
|
|
755 |
|
/** |
756 |
< |
* getWaitQueueLength throws IMSE if not synced |
756 |
> |
* getWaitQueueLength throws IllegalMonitorStateException if not synced |
757 |
|
*/ |
758 |
|
public void testGetWaitQueueLengthIMSE() { |
759 |
|
final Mutex sync = new Mutex(); |
760 |
< |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
760 |
> |
final ConditionObject c = sync.newCondition(); |
761 |
|
try { |
762 |
|
sync.getWaitQueueLength(c); |
763 |
|
shouldThrow(); |
764 |
|
} catch (IllegalMonitorStateException success) {} |
765 |
+ |
assertHasWaitersUnlocked(sync, c, NO_THREADS); |
766 |
|
} |
767 |
|
|
612 |
– |
|
768 |
|
/** |
769 |
< |
* getWaitingThreads throws IAE if not owned |
769 |
> |
* getWaitingThreads throws IllegalArgumentException if not owned |
770 |
|
*/ |
771 |
|
public void testGetWaitingThreadsIAE() { |
772 |
|
final Mutex sync = new Mutex(); |
773 |
< |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
773 |
> |
final ConditionObject c = sync.newCondition(); |
774 |
|
final Mutex sync2 = new Mutex(); |
775 |
|
try { |
776 |
|
sync2.getWaitingThreads(c); |
777 |
|
shouldThrow(); |
778 |
|
} catch (IllegalArgumentException success) {} |
779 |
+ |
assertHasWaitersUnlocked(sync, c, NO_THREADS); |
780 |
|
} |
781 |
|
|
782 |
|
/** |
783 |
< |
* getWaitingThreads throws IMSE if not synced |
783 |
> |
* getWaitingThreads throws IllegalMonitorStateException if not synced |
784 |
|
*/ |
785 |
|
public void testGetWaitingThreadsIMSE() { |
786 |
|
final Mutex sync = new Mutex(); |
787 |
< |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
787 |
> |
final ConditionObject c = sync.newCondition(); |
788 |
|
try { |
789 |
|
sync.getWaitingThreads(c); |
790 |
|
shouldThrow(); |
791 |
|
} catch (IllegalMonitorStateException success) {} |
792 |
+ |
assertHasWaitersUnlocked(sync, c, NO_THREADS); |
793 |
|
} |
794 |
|
|
638 |
– |
|
639 |
– |
|
795 |
|
/** |
796 |
|
* hasWaiters returns true when a thread is waiting, else false |
797 |
|
*/ |
798 |
< |
public void testHasWaiters() throws InterruptedException { |
798 |
> |
public void testHasWaiters() { |
799 |
|
final Mutex sync = new Mutex(); |
800 |
< |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
801 |
< |
Thread t = new Thread(new CheckedRunnable() { |
800 |
> |
final ConditionObject c = sync.newCondition(); |
801 |
> |
final BooleanLatch acquired = new BooleanLatch(); |
802 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
803 |
|
public void realRun() throws InterruptedException { |
804 |
< |
sync.acquire(1); |
804 |
> |
sync.acquire(); |
805 |
> |
assertHasWaitersLocked(sync, c, NO_THREADS); |
806 |
|
assertFalse(sync.hasWaiters(c)); |
807 |
< |
assertEquals(0, sync.getWaitQueueLength(c)); |
807 |
> |
assertTrue(acquired.releaseShared(0)); |
808 |
|
c.await(); |
809 |
< |
sync.release(1); |
809 |
> |
sync.release(); |
810 |
|
}}); |
811 |
|
|
812 |
< |
t.start(); |
813 |
< |
Thread.sleep(SHORT_DELAY_MS); |
814 |
< |
sync.acquire(1); |
812 |
> |
acquired.acquireShared(0); |
813 |
> |
sync.acquire(); |
814 |
> |
assertHasWaitersLocked(sync, c, t); |
815 |
> |
assertHasExclusiveQueuedThreads(sync, NO_THREADS); |
816 |
|
assertTrue(sync.hasWaiters(c)); |
659 |
– |
assertEquals(1, sync.getWaitQueueLength(c)); |
817 |
|
c.signal(); |
818 |
< |
sync.release(1); |
819 |
< |
Thread.sleep(SHORT_DELAY_MS); |
663 |
< |
sync.acquire(1); |
818 |
> |
assertHasWaitersLocked(sync, c, NO_THREADS); |
819 |
> |
assertHasExclusiveQueuedThreads(sync, t); |
820 |
|
assertFalse(sync.hasWaiters(c)); |
821 |
< |
assertEquals(0, sync.getWaitQueueLength(c)); |
822 |
< |
sync.release(1); |
823 |
< |
t.join(SHORT_DELAY_MS); |
824 |
< |
assertFalse(t.isAlive()); |
821 |
> |
sync.release(); |
822 |
> |
|
823 |
> |
awaitTermination(t); |
824 |
> |
assertHasWaitersUnlocked(sync, c, NO_THREADS); |
825 |
|
} |
826 |
|
|
827 |
|
/** |
828 |
|
* getWaitQueueLength returns number of waiting threads |
829 |
|
*/ |
830 |
< |
public void testGetWaitQueueLength() throws InterruptedException { |
830 |
> |
public void testGetWaitQueueLength() { |
831 |
|
final Mutex sync = new Mutex(); |
832 |
< |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
833 |
< |
Thread t1 = new Thread(new CheckedRunnable() { |
832 |
> |
final ConditionObject c = sync.newCondition(); |
833 |
> |
final BooleanLatch acquired1 = new BooleanLatch(); |
834 |
> |
final BooleanLatch acquired2 = new BooleanLatch(); |
835 |
> |
final Thread t1 = newStartedThread(new CheckedRunnable() { |
836 |
|
public void realRun() throws InterruptedException { |
837 |
< |
sync.acquire(1); |
838 |
< |
assertFalse(sync.hasWaiters(c)); |
837 |
> |
sync.acquire(); |
838 |
> |
assertHasWaitersLocked(sync, c, NO_THREADS); |
839 |
|
assertEquals(0, sync.getWaitQueueLength(c)); |
840 |
+ |
assertTrue(acquired1.releaseShared(0)); |
841 |
|
c.await(); |
842 |
< |
sync.release(1); |
842 |
> |
sync.release(); |
843 |
|
}}); |
844 |
+ |
acquired1.acquireShared(0); |
845 |
+ |
sync.acquire(); |
846 |
+ |
assertHasWaitersLocked(sync, c, t1); |
847 |
+ |
assertEquals(1, sync.getWaitQueueLength(c)); |
848 |
+ |
sync.release(); |
849 |
|
|
850 |
< |
Thread t2 = new Thread(new CheckedRunnable() { |
850 |
> |
final Thread t2 = newStartedThread(new CheckedRunnable() { |
851 |
|
public void realRun() throws InterruptedException { |
852 |
< |
sync.acquire(1); |
853 |
< |
assertTrue(sync.hasWaiters(c)); |
852 |
> |
sync.acquire(); |
853 |
> |
assertHasWaitersLocked(sync, c, t1); |
854 |
|
assertEquals(1, sync.getWaitQueueLength(c)); |
855 |
+ |
assertTrue(acquired2.releaseShared(0)); |
856 |
|
c.await(); |
857 |
< |
sync.release(1); |
857 |
> |
sync.release(); |
858 |
|
}}); |
859 |
< |
|
860 |
< |
t1.start(); |
861 |
< |
Thread.sleep(SHORT_DELAY_MS); |
862 |
< |
t2.start(); |
698 |
< |
Thread.sleep(SHORT_DELAY_MS); |
699 |
< |
sync.acquire(1); |
700 |
< |
assertTrue(sync.hasWaiters(c)); |
859 |
> |
acquired2.acquireShared(0); |
860 |
> |
sync.acquire(); |
861 |
> |
assertHasWaitersLocked(sync, c, t1, t2); |
862 |
> |
assertHasExclusiveQueuedThreads(sync, NO_THREADS); |
863 |
|
assertEquals(2, sync.getWaitQueueLength(c)); |
864 |
|
c.signalAll(); |
865 |
< |
sync.release(1); |
866 |
< |
Thread.sleep(SHORT_DELAY_MS); |
705 |
< |
sync.acquire(1); |
706 |
< |
assertFalse(sync.hasWaiters(c)); |
865 |
> |
assertHasWaitersLocked(sync, c, NO_THREADS); |
866 |
> |
assertHasExclusiveQueuedThreads(sync, t1, t2); |
867 |
|
assertEquals(0, sync.getWaitQueueLength(c)); |
868 |
< |
sync.release(1); |
869 |
< |
t1.join(SHORT_DELAY_MS); |
870 |
< |
t2.join(SHORT_DELAY_MS); |
871 |
< |
assertFalse(t1.isAlive()); |
872 |
< |
assertFalse(t2.isAlive()); |
868 |
> |
sync.release(); |
869 |
> |
|
870 |
> |
awaitTermination(t1); |
871 |
> |
awaitTermination(t2); |
872 |
> |
assertHasWaitersUnlocked(sync, c, NO_THREADS); |
873 |
|
} |
874 |
|
|
875 |
|
/** |
876 |
|
* getWaitingThreads returns only and all waiting threads |
877 |
|
*/ |
878 |
< |
public void testGetWaitingThreads() throws InterruptedException { |
878 |
> |
public void testGetWaitingThreads() { |
879 |
|
final Mutex sync = new Mutex(); |
880 |
< |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
881 |
< |
Thread t1 = new Thread(new CheckedRunnable() { |
880 |
> |
final ConditionObject c = sync.newCondition(); |
881 |
> |
final BooleanLatch acquired1 = new BooleanLatch(); |
882 |
> |
final BooleanLatch acquired2 = new BooleanLatch(); |
883 |
> |
final Thread t1 = new Thread(new CheckedRunnable() { |
884 |
|
public void realRun() throws InterruptedException { |
885 |
< |
sync.acquire(1); |
885 |
> |
sync.acquire(); |
886 |
> |
assertHasWaitersLocked(sync, c, NO_THREADS); |
887 |
|
assertTrue(sync.getWaitingThreads(c).isEmpty()); |
888 |
+ |
assertTrue(acquired1.releaseShared(0)); |
889 |
|
c.await(); |
890 |
< |
sync.release(1); |
890 |
> |
sync.release(); |
891 |
|
}}); |
892 |
|
|
893 |
< |
Thread t2 = new Thread(new CheckedRunnable() { |
893 |
> |
final Thread t2 = new Thread(new CheckedRunnable() { |
894 |
|
public void realRun() throws InterruptedException { |
895 |
< |
sync.acquire(1); |
895 |
> |
sync.acquire(); |
896 |
> |
assertHasWaitersLocked(sync, c, t1); |
897 |
> |
assertTrue(sync.getWaitingThreads(c).contains(t1)); |
898 |
|
assertFalse(sync.getWaitingThreads(c).isEmpty()); |
899 |
+ |
assertEquals(1, sync.getWaitingThreads(c).size()); |
900 |
+ |
assertTrue(acquired2.releaseShared(0)); |
901 |
|
c.await(); |
902 |
< |
sync.release(1); |
902 |
> |
sync.release(); |
903 |
|
}}); |
904 |
|
|
905 |
< |
sync.acquire(1); |
906 |
< |
assertTrue(sync.getWaitingThreads(c).isEmpty()); |
907 |
< |
sync.release(1); |
908 |
< |
t1.start(); |
909 |
< |
Thread.sleep(SHORT_DELAY_MS); |
910 |
< |
t2.start(); |
911 |
< |
Thread.sleep(SHORT_DELAY_MS); |
744 |
< |
sync.acquire(1); |
745 |
< |
assertTrue(sync.hasWaiters(c)); |
746 |
< |
assertTrue(sync.getWaitingThreads(c).contains(t1)); |
747 |
< |
assertTrue(sync.getWaitingThreads(c).contains(t2)); |
748 |
< |
c.signalAll(); |
749 |
< |
sync.release(1); |
750 |
< |
Thread.sleep(SHORT_DELAY_MS); |
751 |
< |
sync.acquire(1); |
752 |
< |
assertFalse(sync.hasWaiters(c)); |
753 |
< |
assertTrue(sync.getWaitingThreads(c).isEmpty()); |
754 |
< |
sync.release(1); |
755 |
< |
t1.join(SHORT_DELAY_MS); |
756 |
< |
t2.join(SHORT_DELAY_MS); |
757 |
< |
assertFalse(t1.isAlive()); |
758 |
< |
assertFalse(t2.isAlive()); |
759 |
< |
} |
905 |
> |
sync.acquire(); |
906 |
> |
assertHasWaitersLocked(sync, c, NO_THREADS); |
907 |
> |
assertFalse(sync.getWaitingThreads(c).contains(t1)); |
908 |
> |
assertFalse(sync.getWaitingThreads(c).contains(t2)); |
909 |
> |
assertTrue(sync.getWaitingThreads(c).isEmpty()); |
910 |
> |
assertEquals(0, sync.getWaitingThreads(c).size()); |
911 |
> |
sync.release(); |
912 |
|
|
913 |
+ |
t1.start(); |
914 |
+ |
acquired1.acquireShared(0); |
915 |
+ |
sync.acquire(); |
916 |
+ |
assertHasWaitersLocked(sync, c, t1); |
917 |
+ |
assertTrue(sync.getWaitingThreads(c).contains(t1)); |
918 |
+ |
assertFalse(sync.getWaitingThreads(c).contains(t2)); |
919 |
+ |
assertFalse(sync.getWaitingThreads(c).isEmpty()); |
920 |
+ |
assertEquals(1, sync.getWaitingThreads(c).size()); |
921 |
+ |
sync.release(); |
922 |
|
|
923 |
+ |
t2.start(); |
924 |
+ |
acquired2.acquireShared(0); |
925 |
+ |
sync.acquire(); |
926 |
+ |
assertHasWaitersLocked(sync, c, t1, t2); |
927 |
+ |
assertHasExclusiveQueuedThreads(sync, NO_THREADS); |
928 |
+ |
assertTrue(sync.getWaitingThreads(c).contains(t1)); |
929 |
+ |
assertTrue(sync.getWaitingThreads(c).contains(t2)); |
930 |
+ |
assertFalse(sync.getWaitingThreads(c).isEmpty()); |
931 |
+ |
assertEquals(2, sync.getWaitingThreads(c).size()); |
932 |
+ |
c.signalAll(); |
933 |
+ |
assertHasWaitersLocked(sync, c, NO_THREADS); |
934 |
+ |
assertHasExclusiveQueuedThreads(sync, t1, t2); |
935 |
+ |
assertFalse(sync.getWaitingThreads(c).contains(t1)); |
936 |
+ |
assertFalse(sync.getWaitingThreads(c).contains(t2)); |
937 |
+ |
assertTrue(sync.getWaitingThreads(c).isEmpty()); |
938 |
+ |
assertEquals(0, sync.getWaitingThreads(c).size()); |
939 |
+ |
sync.release(); |
940 |
+ |
|
941 |
+ |
awaitTermination(t1); |
942 |
+ |
awaitTermination(t2); |
943 |
+ |
assertHasWaitersUnlocked(sync, c, NO_THREADS); |
944 |
+ |
} |
945 |
|
|
946 |
|
/** |
947 |
< |
* awaitUninterruptibly doesn't abort on interrupt |
947 |
> |
* awaitUninterruptibly is uninterruptible |
948 |
|
*/ |
949 |
< |
public void testAwaitUninterruptibly() throws InterruptedException { |
949 |
> |
public void testAwaitUninterruptibly() { |
950 |
|
final Mutex sync = new Mutex(); |
951 |
< |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
952 |
< |
Thread t = new Thread(new CheckedRunnable() { |
951 |
> |
final ConditionObject c = sync.newCondition(); |
952 |
> |
final BooleanLatch pleaseInterrupt = new BooleanLatch(); |
953 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
954 |
|
public void realRun() { |
955 |
< |
sync.acquire(1); |
955 |
> |
sync.acquire(); |
956 |
> |
assertTrue(pleaseInterrupt.releaseShared(0)); |
957 |
|
c.awaitUninterruptibly(); |
958 |
< |
sync.release(1); |
958 |
> |
assertTrue(Thread.interrupted()); |
959 |
> |
assertHasWaitersLocked(sync, c, NO_THREADS); |
960 |
> |
sync.release(); |
961 |
|
}}); |
962 |
|
|
963 |
< |
t.start(); |
964 |
< |
Thread.sleep(SHORT_DELAY_MS); |
963 |
> |
pleaseInterrupt.acquireShared(0); |
964 |
> |
sync.acquire(); |
965 |
> |
assertHasWaitersLocked(sync, c, t); |
966 |
> |
sync.release(); |
967 |
|
t.interrupt(); |
968 |
< |
sync.acquire(1); |
968 |
> |
assertHasWaitersUnlocked(sync, c, t); |
969 |
> |
assertThreadStaysAlive(t); |
970 |
> |
sync.acquire(); |
971 |
> |
assertHasWaitersLocked(sync, c, t); |
972 |
> |
assertHasExclusiveQueuedThreads(sync, NO_THREADS); |
973 |
|
c.signal(); |
974 |
< |
sync.release(1); |
975 |
< |
t.join(SHORT_DELAY_MS); |
976 |
< |
assertFalse(t.isAlive()); |
974 |
> |
assertHasWaitersLocked(sync, c, NO_THREADS); |
975 |
> |
assertHasExclusiveQueuedThreads(sync, t); |
976 |
> |
sync.release(); |
977 |
> |
awaitTermination(t); |
978 |
|
} |
979 |
|
|
980 |
|
/** |
981 |
< |
* await is interruptible |
981 |
> |
* await/awaitNanos/awaitUntil is interruptible |
982 |
|
*/ |
983 |
< |
public void testAwait_Interrupt() throws InterruptedException { |
983 |
> |
public void testInterruptible_await() { testInterruptible(AwaitMethod.await); } |
984 |
> |
public void testInterruptible_awaitTimed() { testInterruptible(AwaitMethod.awaitTimed); } |
985 |
> |
public void testInterruptible_awaitNanos() { testInterruptible(AwaitMethod.awaitNanos); } |
986 |
> |
public void testInterruptible_awaitUntil() { testInterruptible(AwaitMethod.awaitUntil); } |
987 |
> |
public void testInterruptible(final AwaitMethod awaitMethod) { |
988 |
|
final Mutex sync = new Mutex(); |
989 |
< |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
990 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
989 |
> |
final ConditionObject c = sync.newCondition(); |
990 |
> |
final BooleanLatch pleaseInterrupt = new BooleanLatch(); |
991 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
992 |
|
public void realRun() throws InterruptedException { |
993 |
< |
sync.acquire(1); |
994 |
< |
c.await(); |
993 |
> |
sync.acquire(); |
994 |
> |
assertTrue(pleaseInterrupt.releaseShared(0)); |
995 |
> |
await(c, awaitMethod); |
996 |
|
}}); |
997 |
|
|
998 |
< |
t.start(); |
799 |
< |
Thread.sleep(SHORT_DELAY_MS); |
998 |
> |
pleaseInterrupt.acquireShared(0); |
999 |
|
t.interrupt(); |
1000 |
< |
t.join(SHORT_DELAY_MS); |
802 |
< |
assertFalse(t.isAlive()); |
803 |
< |
} |
804 |
< |
|
805 |
< |
/** |
806 |
< |
* awaitNanos is interruptible |
807 |
< |
*/ |
808 |
< |
public void testAwaitNanos_Interrupt() throws InterruptedException { |
809 |
< |
final Mutex sync = new Mutex(); |
810 |
< |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
811 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
812 |
< |
public void realRun() throws InterruptedException { |
813 |
< |
sync.acquire(1); |
814 |
< |
c.awaitNanos(MILLISECONDS.toNanos(LONG_DELAY_MS)); |
815 |
< |
}}); |
816 |
< |
|
817 |
< |
t.start(); |
818 |
< |
Thread.sleep(SHORT_DELAY_MS); |
819 |
< |
t.interrupt(); |
820 |
< |
t.join(SHORT_DELAY_MS); |
821 |
< |
assertFalse(t.isAlive()); |
822 |
< |
} |
823 |
< |
|
824 |
< |
/** |
825 |
< |
* awaitUntil is interruptible |
826 |
< |
*/ |
827 |
< |
public void testAwaitUntil_Interrupt() throws InterruptedException { |
828 |
< |
final Mutex sync = new Mutex(); |
829 |
< |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
830 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
831 |
< |
public void realRun() throws InterruptedException { |
832 |
< |
sync.acquire(1); |
833 |
< |
java.util.Date d = new java.util.Date(); |
834 |
< |
c.awaitUntil(new java.util.Date(d.getTime() + 10000)); |
835 |
< |
}}); |
836 |
< |
|
837 |
< |
t.start(); |
838 |
< |
Thread.sleep(SHORT_DELAY_MS); |
839 |
< |
t.interrupt(); |
840 |
< |
t.join(SHORT_DELAY_MS); |
841 |
< |
assertFalse(t.isAlive()); |
1000 |
> |
awaitTermination(t); |
1001 |
|
} |
1002 |
|
|
1003 |
|
/** |
1004 |
|
* signalAll wakes up all threads |
1005 |
|
*/ |
1006 |
< |
public void testSignalAll() throws InterruptedException { |
1007 |
< |
final Mutex sync = new Mutex(); |
1008 |
< |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
1009 |
< |
Thread t1 = new Thread(new CheckedRunnable() { |
1006 |
> |
public void testSignalAll_await() { testSignalAll(AwaitMethod.await); } |
1007 |
> |
public void testSignalAll_awaitTimed() { testSignalAll(AwaitMethod.awaitTimed); } |
1008 |
> |
public void testSignalAll_awaitNanos() { testSignalAll(AwaitMethod.awaitNanos); } |
1009 |
> |
public void testSignalAll_awaitUntil() { testSignalAll(AwaitMethod.awaitUntil); } |
1010 |
> |
public void testSignalAll(final AwaitMethod awaitMethod) { |
1011 |
> |
final Mutex sync = new Mutex(); |
1012 |
> |
final ConditionObject c = sync.newCondition(); |
1013 |
> |
final BooleanLatch acquired1 = new BooleanLatch(); |
1014 |
> |
final BooleanLatch acquired2 = new BooleanLatch(); |
1015 |
> |
Thread t1 = newStartedThread(new CheckedRunnable() { |
1016 |
|
public void realRun() throws InterruptedException { |
1017 |
< |
sync.acquire(1); |
1018 |
< |
c.await(); |
1019 |
< |
sync.release(1); |
1017 |
> |
sync.acquire(); |
1018 |
> |
acquired1.releaseShared(0); |
1019 |
> |
await(c, awaitMethod); |
1020 |
> |
sync.release(); |
1021 |
|
}}); |
1022 |
|
|
1023 |
< |
Thread t2 = new Thread(new CheckedRunnable() { |
1023 |
> |
Thread t2 = newStartedThread(new CheckedRunnable() { |
1024 |
|
public void realRun() throws InterruptedException { |
1025 |
< |
sync.acquire(1); |
1026 |
< |
c.await(); |
1027 |
< |
sync.release(1); |
1025 |
> |
sync.acquire(); |
1026 |
> |
acquired2.releaseShared(0); |
1027 |
> |
await(c, awaitMethod); |
1028 |
> |
sync.release(); |
1029 |
|
}}); |
1030 |
|
|
1031 |
< |
t1.start(); |
1032 |
< |
t2.start(); |
1033 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1034 |
< |
sync.acquire(1); |
1031 |
> |
acquired1.acquireShared(0); |
1032 |
> |
acquired2.acquireShared(0); |
1033 |
> |
sync.acquire(); |
1034 |
> |
assertHasWaitersLocked(sync, c, t1, t2); |
1035 |
> |
assertHasExclusiveQueuedThreads(sync, NO_THREADS); |
1036 |
|
c.signalAll(); |
1037 |
< |
sync.release(1); |
1038 |
< |
t1.join(SHORT_DELAY_MS); |
1039 |
< |
t2.join(SHORT_DELAY_MS); |
1040 |
< |
assertFalse(t1.isAlive()); |
1041 |
< |
assertFalse(t2.isAlive()); |
1037 |
> |
assertHasWaitersLocked(sync, c, NO_THREADS); |
1038 |
> |
assertHasExclusiveQueuedThreads(sync, t1, t2); |
1039 |
> |
sync.release(); |
1040 |
> |
awaitTermination(t1); |
1041 |
> |
awaitTermination(t2); |
1042 |
|
} |
1043 |
|
|
876 |
– |
|
1044 |
|
/** |
1045 |
|
* toString indicates current state |
1046 |
|
*/ |
1047 |
|
public void testToString() { |
1048 |
|
Mutex sync = new Mutex(); |
1049 |
< |
String us = sync.toString(); |
1050 |
< |
assertTrue(us.indexOf("State = 0") >= 0); |
1051 |
< |
sync.acquire(1); |
885 |
< |
String ls = sync.toString(); |
886 |
< |
assertTrue(ls.indexOf("State = " + Mutex.LOCKED) >= 0); |
1049 |
> |
assertTrue(sync.toString().contains("State = " + Mutex.UNLOCKED)); |
1050 |
> |
sync.acquire(); |
1051 |
> |
assertTrue(sync.toString().contains("State = " + Mutex.LOCKED)); |
1052 |
|
} |
1053 |
|
|
1054 |
|
/** |
1055 |
< |
* A serialized AQS deserializes with current state |
1056 |
< |
*/ |
1057 |
< |
public void testSerialization() throws Exception { |
1058 |
< |
Mutex l = new Mutex(); |
1059 |
< |
l.acquire(1); |
1060 |
< |
assertTrue(l.isHeldExclusively()); |
1061 |
< |
|
1062 |
< |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
1063 |
< |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
899 |
< |
out.writeObject(l); |
900 |
< |
out.close(); |
901 |
< |
|
902 |
< |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
903 |
< |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
904 |
< |
Mutex r = (Mutex) in.readObject(); |
905 |
< |
assertTrue(r.isHeldExclusively()); |
906 |
< |
} |
1055 |
> |
* A serialized AQS deserializes with current state, but no queued threads |
1056 |
> |
*/ |
1057 |
> |
public void testSerialization() { |
1058 |
> |
Mutex sync = new Mutex(); |
1059 |
> |
assertFalse(serialClone(sync).isHeldExclusively()); |
1060 |
> |
sync.acquire(); |
1061 |
> |
Thread t = newStartedThread(new InterruptedSyncRunnable(sync)); |
1062 |
> |
waitForQueuedThread(sync, t); |
1063 |
> |
assertTrue(sync.isHeldExclusively()); |
1064 |
|
|
1065 |
+ |
Mutex clone = serialClone(sync); |
1066 |
+ |
assertTrue(clone.isHeldExclusively()); |
1067 |
+ |
assertHasExclusiveQueuedThreads(sync, t); |
1068 |
+ |
assertHasExclusiveQueuedThreads(clone, NO_THREADS); |
1069 |
+ |
t.interrupt(); |
1070 |
+ |
awaitTermination(t); |
1071 |
+ |
sync.release(); |
1072 |
+ |
assertFalse(sync.isHeldExclusively()); |
1073 |
+ |
assertTrue(clone.isHeldExclusively()); |
1074 |
+ |
assertHasExclusiveQueuedThreads(sync, NO_THREADS); |
1075 |
+ |
assertHasExclusiveQueuedThreads(clone, NO_THREADS); |
1076 |
+ |
} |
1077 |
|
|
1078 |
|
/** |
1079 |
|
* tryReleaseShared setting state changes getState |
1081 |
|
public void testGetStateWithReleaseShared() { |
1082 |
|
final BooleanLatch l = new BooleanLatch(); |
1083 |
|
assertFalse(l.isSignalled()); |
1084 |
< |
l.releaseShared(0); |
1084 |
> |
assertTrue(l.releaseShared(0)); |
1085 |
|
assertTrue(l.isSignalled()); |
1086 |
|
} |
1087 |
|
|
1091 |
|
public void testReleaseShared() { |
1092 |
|
final BooleanLatch l = new BooleanLatch(); |
1093 |
|
assertFalse(l.isSignalled()); |
1094 |
< |
l.releaseShared(0); |
1094 |
> |
assertTrue(l.releaseShared(0)); |
1095 |
|
assertTrue(l.isSignalled()); |
1096 |
< |
l.releaseShared(0); |
1096 |
> |
assertTrue(l.releaseShared(0)); |
1097 |
|
assertTrue(l.isSignalled()); |
1098 |
|
} |
1099 |
|
|
1100 |
|
/** |
1101 |
|
* acquireSharedInterruptibly returns after release, but not before |
1102 |
|
*/ |
1103 |
< |
public void testAcquireSharedInterruptibly() throws InterruptedException { |
1103 |
> |
public void testAcquireSharedInterruptibly() { |
1104 |
|
final BooleanLatch l = new BooleanLatch(); |
1105 |
|
|
1106 |
< |
Thread t = new Thread(new CheckedRunnable() { |
1106 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1107 |
|
public void realRun() throws InterruptedException { |
1108 |
|
assertFalse(l.isSignalled()); |
1109 |
|
l.acquireSharedInterruptibly(0); |
1110 |
|
assertTrue(l.isSignalled()); |
1111 |
+ |
l.acquireSharedInterruptibly(0); |
1112 |
+ |
assertTrue(l.isSignalled()); |
1113 |
|
}}); |
1114 |
|
|
1115 |
< |
t.start(); |
1115 |
> |
waitForQueuedThread(l, t); |
1116 |
|
assertFalse(l.isSignalled()); |
1117 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1118 |
< |
l.releaseShared(0); |
1117 |
> |
assertThreadStaysAlive(t); |
1118 |
> |
assertHasSharedQueuedThreads(l, t); |
1119 |
> |
assertTrue(l.releaseShared(0)); |
1120 |
|
assertTrue(l.isSignalled()); |
1121 |
< |
t.join(); |
1121 |
> |
awaitTermination(t); |
1122 |
|
} |
1123 |
|
|
952 |
– |
|
1124 |
|
/** |
1125 |
< |
* acquireSharedTimed returns after release |
1125 |
> |
* tryAcquireSharedNanos returns after release, but not before |
1126 |
|
*/ |
1127 |
< |
public void testAcquireSharedTimed() throws InterruptedException { |
1127 |
> |
public void testTryAcquireSharedNanos() { |
1128 |
|
final BooleanLatch l = new BooleanLatch(); |
1129 |
|
|
1130 |
< |
Thread t = new Thread(new CheckedRunnable() { |
1130 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1131 |
|
public void realRun() throws InterruptedException { |
1132 |
|
assertFalse(l.isSignalled()); |
1133 |
< |
long nanos = MILLISECONDS.toNanos(MEDIUM_DELAY_MS); |
1133 |
> |
long nanos = MILLISECONDS.toNanos(2 * LONG_DELAY_MS); |
1134 |
> |
assertTrue(l.tryAcquireSharedNanos(0, nanos)); |
1135 |
> |
assertTrue(l.isSignalled()); |
1136 |
|
assertTrue(l.tryAcquireSharedNanos(0, nanos)); |
1137 |
|
assertTrue(l.isSignalled()); |
1138 |
|
}}); |
1139 |
|
|
1140 |
< |
t.start(); |
1140 |
> |
waitForQueuedThread(l, t); |
1141 |
|
assertFalse(l.isSignalled()); |
1142 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1143 |
< |
l.releaseShared(0); |
1142 |
> |
assertThreadStaysAlive(t); |
1143 |
> |
assertTrue(l.releaseShared(0)); |
1144 |
|
assertTrue(l.isSignalled()); |
1145 |
< |
t.join(); |
1145 |
> |
awaitTermination(t); |
1146 |
|
} |
1147 |
|
|
1148 |
|
/** |
1149 |
< |
* acquireSharedInterruptibly throws IE if interrupted before released |
1149 |
> |
* acquireSharedInterruptibly is interruptible |
1150 |
|
*/ |
1151 |
< |
public void testAcquireSharedInterruptibly_InterruptedException() |
979 |
< |
throws InterruptedException { |
1151 |
> |
public void testAcquireSharedInterruptibly_Interruptible() { |
1152 |
|
final BooleanLatch l = new BooleanLatch(); |
1153 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
1153 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
1154 |
|
public void realRun() throws InterruptedException { |
1155 |
|
assertFalse(l.isSignalled()); |
1156 |
|
l.acquireSharedInterruptibly(0); |
1157 |
|
}}); |
1158 |
|
|
1159 |
< |
t.start(); |
1159 |
> |
waitForQueuedThread(l, t); |
1160 |
|
assertFalse(l.isSignalled()); |
1161 |
|
t.interrupt(); |
1162 |
< |
t.join(); |
1162 |
> |
awaitTermination(t); |
1163 |
> |
assertFalse(l.isSignalled()); |
1164 |
|
} |
1165 |
|
|
1166 |
|
/** |
1167 |
< |
* acquireSharedTimed throws IE if interrupted before released |
1167 |
> |
* tryAcquireSharedNanos is interruptible |
1168 |
|
*/ |
1169 |
< |
public void testAcquireSharedNanos_InterruptedException() throws InterruptedException { |
1169 |
> |
public void testTryAcquireSharedNanos_Interruptible() { |
1170 |
|
final BooleanLatch l = new BooleanLatch(); |
1171 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
1171 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
1172 |
|
public void realRun() throws InterruptedException { |
1173 |
|
assertFalse(l.isSignalled()); |
1174 |
< |
long nanos = MILLISECONDS.toNanos(SMALL_DELAY_MS); |
1174 |
> |
long nanos = MILLISECONDS.toNanos(2 * LONG_DELAY_MS); |
1175 |
|
l.tryAcquireSharedNanos(0, nanos); |
1176 |
|
}}); |
1177 |
|
|
1178 |
< |
t.start(); |
1006 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1178 |
> |
waitForQueuedThread(l, t); |
1179 |
|
assertFalse(l.isSignalled()); |
1180 |
|
t.interrupt(); |
1181 |
< |
t.join(); |
1181 |
> |
awaitTermination(t); |
1182 |
> |
assertFalse(l.isSignalled()); |
1183 |
|
} |
1184 |
|
|
1185 |
|
/** |
1186 |
< |
* acquireSharedTimed times out if not released before timeout |
1186 |
> |
* tryAcquireSharedNanos times out if not released before timeout |
1187 |
|
*/ |
1188 |
< |
public void testAcquireSharedNanos_Timeout() throws InterruptedException { |
1188 |
> |
public void testTryAcquireSharedNanos_Timeout() { |
1189 |
|
final BooleanLatch l = new BooleanLatch(); |
1190 |
< |
Thread t = new Thread(new CheckedRunnable() { |
1190 |
> |
final BooleanLatch observedQueued = new BooleanLatch(); |
1191 |
> |
final long timeoutMillis = timeoutMillis(); |
1192 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1193 |
|
public void realRun() throws InterruptedException { |
1194 |
|
assertFalse(l.isSignalled()); |
1195 |
< |
long nanos = MILLISECONDS.toNanos(SMALL_DELAY_MS); |
1196 |
< |
assertFalse(l.tryAcquireSharedNanos(0, nanos)); |
1195 |
> |
for (long millis = timeoutMillis(); |
1196 |
> |
!observedQueued.isSignalled(); |
1197 |
> |
millis *= 2) { |
1198 |
> |
long nanos = MILLISECONDS.toNanos(millis); |
1199 |
> |
long startTime = System.nanoTime(); |
1200 |
> |
assertFalse(l.tryAcquireSharedNanos(0, nanos)); |
1201 |
> |
assertTrue(millisElapsedSince(startTime) >= millis); |
1202 |
> |
} |
1203 |
> |
assertFalse(l.isSignalled()); |
1204 |
|
}}); |
1205 |
|
|
1206 |
< |
t.start(); |
1207 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1206 |
> |
waitForQueuedThread(l, t); |
1207 |
> |
observedQueued.releaseShared(0); |
1208 |
> |
assertFalse(l.isSignalled()); |
1209 |
> |
awaitTermination(t); |
1210 |
|
assertFalse(l.isSignalled()); |
1027 |
– |
t.join(); |
1211 |
|
} |
1212 |
|
|
1213 |
|
} |