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Comparing jsr166/src/test/tck/SynchronousQueueTest.java (file contents):
Revision 1.44 by jsr166, Wed Dec 31 19:05:43 2014 UTC vs.
Revision 1.58 by jsr166, Sun May 14 04:02:06 2017 UTC

# Line 18 | Line 18 | import java.util.concurrent.CountDownLat
18   import java.util.concurrent.Executors;
19   import java.util.concurrent.ExecutorService;
20   import java.util.concurrent.SynchronousQueue;
21 + import java.util.concurrent.ThreadLocalRandom;
22  
23   import junit.framework.Test;
24  
# Line 36 | Line 37 | public class SynchronousQueueTest extend
37      }
38  
39      public static void main(String[] args) {
40 <        junit.textui.TestRunner.run(suite());
40 >        main(suite(), args);
41      }
42  
43      public static Test suite() {
# Line 138 | Line 139 | public class SynchronousQueueTest extend
139              }});
140  
141          await(pleaseInterrupt);
142 <        assertThreadStaysAlive(t);
142 >        assertThreadBlocks(t, Thread.State.WAITING);
143          t.interrupt();
144          awaitTermination(t);
145          assertEquals(0, q.remainingCapacity());
# Line 158 | Line 159 | public class SynchronousQueueTest extend
159                  pleaseTake.countDown();
160                  q.put(one);
161  
162 +                Thread.currentThread().interrupt();
163 +                try {
164 +                    q.put(99);
165 +                    shouldThrow();
166 +                } catch (InterruptedException success) {}
167 +                assertFalse(Thread.interrupted());
168 +
169                  pleaseInterrupt.countDown();
170                  try {
171                      q.put(99);
# Line 172 | Line 180 | public class SynchronousQueueTest extend
180          catch (InterruptedException e) { threadUnexpectedException(e); }
181  
182          await(pleaseInterrupt);
183 <        assertThreadStaysAlive(t);
183 >        assertThreadBlocks(t, Thread.State.WAITING);
184          t.interrupt();
185          awaitTermination(t);
186          assertEquals(0, q.remainingCapacity());
# Line 181 | Line 189 | public class SynchronousQueueTest extend
189      /**
190       * timed offer times out if elements not taken
191       */
192 <    public void testTimedOffer()      { testTimedOffer(false); }
193 <    public void testTimedOffer_fair() { testTimedOffer(true); }
186 <    public void testTimedOffer(boolean fair) {
192 >    public void testTimedOffer() {
193 >        final boolean fair = ThreadLocalRandom.current().nextBoolean();
194          final SynchronousQueue q = new SynchronousQueue(fair);
195          final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
196          Thread t = newStartedThread(new CheckedRunnable() {
# Line 196 | Line 203 | public class SynchronousQueueTest extend
203                      q.offer(new Object(), 2 * LONG_DELAY_MS, MILLISECONDS);
204                      shouldThrow();
205                  } catch (InterruptedException success) {}
206 +                assertFalse(Thread.interrupted());
207              }});
208  
209          await(pleaseInterrupt);
210 <        assertThreadStaysAlive(t);
210 >        assertThreadBlocks(t, Thread.State.TIMED_WAITING);
211          t.interrupt();
212          awaitTermination(t);
213      }
# Line 228 | Line 236 | public class SynchronousQueueTest extend
236      /**
237       * timed poll with nonzero timeout times out if no active putter
238       */
239 <    public void testTimedPoll()      { testTimedPoll(false); }
240 <    public void testTimedPoll_fair() { testTimedPoll(true); }
233 <    public void testTimedPoll(boolean fair) {
239 >    public void testTimedPoll() {
240 >        final boolean fair = ThreadLocalRandom.current().nextBoolean();
241          final SynchronousQueue q = new SynchronousQueue(fair);
242 <        long startTime = System.nanoTime();
242 >        final long startTime = System.nanoTime();
243          try { assertNull(q.poll(timeoutMillis(), MILLISECONDS)); }
244          catch (InterruptedException e) { threadUnexpectedException(e); }
245          assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
# Line 242 | Line 249 | public class SynchronousQueueTest extend
249       * timed poll before a delayed offer times out, returning null;
250       * after offer succeeds; on interruption throws
251       */
252 <    public void testTimedPollWithOffer()      { testTimedPollWithOffer(false); }
253 <    public void testTimedPollWithOffer_fair() { testTimedPollWithOffer(true); }
247 <    public void testTimedPollWithOffer(boolean fair) {
252 >    public void testTimedPollWithOffer() {
253 >        final boolean fair = ThreadLocalRandom.current().nextBoolean();
254          final SynchronousQueue q = new SynchronousQueue(fair);
255          final CountDownLatch pleaseOffer = new CountDownLatch(1);
256          final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
# Line 257 | Line 263 | public class SynchronousQueueTest extend
263                  pleaseOffer.countDown();
264                  startTime = System.nanoTime();
265                  assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS));
260                assertTrue(millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
266  
267                  Thread.currentThread().interrupt();
268                  try {
# Line 272 | Line 277 | public class SynchronousQueueTest extend
277                      shouldThrow();
278                  } catch (InterruptedException success) {}
279                  assertFalse(Thread.interrupted());
280 +
281 +                assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
282              }});
283  
284          await(pleaseOffer);
285          long startTime = System.nanoTime();
286          try { assertTrue(q.offer(zero, LONG_DELAY_MS, MILLISECONDS)); }
287          catch (InterruptedException e) { threadUnexpectedException(e); }
288 <        assertTrue(millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
288 >        assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
289  
290          await(pleaseInterrupt);
291 <        assertThreadStaysAlive(t);
291 >        assertThreadBlocks(t, Thread.State.TIMED_WAITING);
292          t.interrupt();
293          awaitTermination(t);
294      }
# Line 400 | Line 407 | public class SynchronousQueueTest extend
407      public void testToArray2()      { testToArray2(false); }
408      public void testToArray2_fair() { testToArray2(true); }
409      public void testToArray2(boolean fair) {
410 <        final SynchronousQueue<Integer> q
404 <            = new SynchronousQueue<Integer>(fair);
410 >        final SynchronousQueue<Integer> q = new SynchronousQueue<>(fair);
411          Integer[] a;
412  
413          a = new Integer[0];
# Line 423 | Line 429 | public class SynchronousQueueTest extend
429      public void testToArray_null(boolean fair) {
430          final SynchronousQueue q = new SynchronousQueue(fair);
431          try {
432 <            Object o[] = q.toArray(null);
432 >            Object[] o = q.toArray(null);
433              shouldThrow();
434          } catch (NullPointerException success) {}
435      }
# Line 434 | Line 440 | public class SynchronousQueueTest extend
440      public void testIterator()      { testIterator(false); }
441      public void testIterator_fair() { testIterator(true); }
442      public void testIterator(boolean fair) {
443 <        final SynchronousQueue q = new SynchronousQueue(fair);
438 <        Iterator it = q.iterator();
439 <        assertFalse(it.hasNext());
440 <        try {
441 <            Object x = it.next();
442 <            shouldThrow();
443 <        } catch (NoSuchElementException success) {}
443 >        assertIteratorExhausted(new SynchronousQueue(fair).iterator());
444      }
445  
446      /**
# Line 475 | Line 475 | public class SynchronousQueueTest extend
475      public void testOfferInExecutor_fair() { testOfferInExecutor(true); }
476      public void testOfferInExecutor(boolean fair) {
477          final SynchronousQueue q = new SynchronousQueue(fair);
478        ExecutorService executor = Executors.newFixedThreadPool(2);
478          final CheckedBarrier threadsStarted = new CheckedBarrier(2);
479 +        final ExecutorService executor = Executors.newFixedThreadPool(2);
480 +        try (PoolCleaner cleaner = cleaner(executor)) {
481  
482 <        executor.execute(new CheckedRunnable() {
483 <            public void realRun() throws InterruptedException {
484 <                assertFalse(q.offer(one));
485 <                threadsStarted.await();
486 <                assertTrue(q.offer(one, LONG_DELAY_MS, MILLISECONDS));
487 <                assertEquals(0, q.remainingCapacity());
488 <            }});
489 <
490 <        executor.execute(new CheckedRunnable() {
491 <            public void realRun() throws InterruptedException {
492 <                threadsStarted.await();
493 <                assertSame(one, q.take());
494 <            }});
495 <
495 <        joinPool(executor);
482 >            executor.execute(new CheckedRunnable() {
483 >                public void realRun() throws InterruptedException {
484 >                    assertFalse(q.offer(one));
485 >                    threadsStarted.await();
486 >                    assertTrue(q.offer(one, LONG_DELAY_MS, MILLISECONDS));
487 >                    assertEquals(0, q.remainingCapacity());
488 >                }});
489 >
490 >            executor.execute(new CheckedRunnable() {
491 >                public void realRun() throws InterruptedException {
492 >                    threadsStarted.await();
493 >                    assertSame(one, q.take());
494 >                }});
495 >        }
496      }
497  
498      /**
# Line 503 | Line 503 | public class SynchronousQueueTest extend
503      public void testPollInExecutor(boolean fair) {
504          final SynchronousQueue q = new SynchronousQueue(fair);
505          final CheckedBarrier threadsStarted = new CheckedBarrier(2);
506 <        ExecutorService executor = Executors.newFixedThreadPool(2);
507 <        executor.execute(new CheckedRunnable() {
508 <            public void realRun() throws InterruptedException {
509 <                assertNull(q.poll());
510 <                threadsStarted.await();
511 <                assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
512 <                assertTrue(q.isEmpty());
513 <            }});
514 <
515 <        executor.execute(new CheckedRunnable() {
516 <            public void realRun() throws InterruptedException {
517 <                threadsStarted.await();
518 <                q.put(one);
519 <            }});
520 <
521 <        joinPool(executor);
506 >        final ExecutorService executor = Executors.newFixedThreadPool(2);
507 >        try (PoolCleaner cleaner = cleaner(executor)) {
508 >            executor.execute(new CheckedRunnable() {
509 >                public void realRun() throws InterruptedException {
510 >                    assertNull(q.poll());
511 >                    threadsStarted.await();
512 >                    assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
513 >                    assertTrue(q.isEmpty());
514 >                }});
515 >
516 >            executor.execute(new CheckedRunnable() {
517 >                public void realRun() throws InterruptedException {
518 >                    threadsStarted.await();
519 >                    q.put(one);
520 >                }});
521 >        }
522      }
523  
524      /**
# Line 575 | Line 575 | public class SynchronousQueueTest extend
575                  fail("timed out");
576              Thread.yield();
577          }
578 <        assertTrue(l.size() == 1);
578 >        assertEquals(1, l.size());
579          assertSame(one, l.get(0));
580          awaitTermination(t);
581      }
# Line 596 | Line 596 | public class SynchronousQueueTest extend
596              }});
597  
598          ArrayList l = new ArrayList();
599 <        delay(SHORT_DELAY_MS);
600 <        q.drainTo(l, 1);
599 >        int drained;
600 >        while ((drained = q.drainTo(l, 1)) == 0) Thread.yield();
601 >        assertEquals(1, drained);
602          assertEquals(1, l.size());
603 <        q.drainTo(l, 1);
603 >        while ((drained = q.drainTo(l, 1)) == 0) Thread.yield();
604 >        assertEquals(1, drained);
605          assertEquals(2, l.size());
606          assertTrue(l.contains(one));
607          assertTrue(l.contains(two));

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