--- jsr166/src/test/tck/DelayQueueTest.java	2015/05/23 00:53:08	1.73
+++ jsr166/src/test/tck/DelayQueueTest.java	2016/10/17 01:54:51	1.79
@@ -39,8 +39,16 @@ public class DelayQueueTest extends JSR1
     }
 
     public static Test suite() {
+        class Implementation implements CollectionImplementation {
+            public Class<?> klazz() { return DelayQueue.class; }
+            public Collection emptyCollection() { return new DelayQueue(); }
+            public Object makeElement(int i) { return new PDelay(i); }
+            public boolean isConcurrent() { return true; }
+            public boolean permitsNulls() { return false; }
+        }
         return newTestSuite(DelayQueueTest.class,
-                            new Generic().testSuite());
+                            new Generic().testSuite(),
+                            CollectionTest.testSuite(new Implementation()));
     }
 
     /**
@@ -94,10 +102,8 @@ public class DelayQueueTest extends JSR1
         }
 
         public boolean equals(Object other) {
-            return equals((NanoDelay)other);
-        }
-        public boolean equals(NanoDelay other) {
-            return other.trigger == trigger;
+            return (other instanceof NanoDelay) &&
+                this.trigger == ((NanoDelay)other).trigger;
         }
 
         // suppress [overrides] javac warning
@@ -119,18 +125,19 @@ public class DelayQueueTest extends JSR1
 
     /**
      * Returns a new queue of given size containing consecutive
-     * PDelays 0 ... n.
+     * PDelays 0 ... n - 1.
      */
     private DelayQueue<PDelay> populatedQueue(int n) {
         DelayQueue<PDelay> q = new DelayQueue<PDelay>();
         assertTrue(q.isEmpty());
-        for (int i = n-1; i >= 0; i -= 2)
+        for (int i = n - 1; i >= 0; i -= 2)
             assertTrue(q.offer(new PDelay(i)));
         for (int i = (n & 1); i < n; i += 2)
             assertTrue(q.offer(new PDelay(i)));
         assertFalse(q.isEmpty());
         assertEquals(Integer.MAX_VALUE, q.remainingCapacity());
         assertEquals(n, q.size());
+        assertEquals(new PDelay(0), q.peek());
         return q;
     }
 
@@ -412,11 +419,13 @@ public class DelayQueueTest extends JSR1
      */
     public void testInterruptedTimedPoll() throws InterruptedException {
         final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
+        final DelayQueue q = populatedQueue(SIZE);
         Thread t = newStartedThread(new CheckedRunnable() {
             public void realRun() throws InterruptedException {
-                DelayQueue q = populatedQueue(SIZE);
+                long startTime = System.nanoTime();
                 for (int i = 0; i < SIZE; ++i) {
-                    assertEquals(new PDelay(i), ((PDelay)q.poll(SHORT_DELAY_MS, MILLISECONDS)));
+                    assertEquals(new PDelay(i),
+                                 ((PDelay)q.poll(LONG_DELAY_MS, MILLISECONDS)));
                 }
 
                 Thread.currentThread().interrupt();
@@ -432,12 +441,14 @@ public class DelayQueueTest extends JSR1
                     shouldThrow();
                 } catch (InterruptedException success) {}
                 assertFalse(Thread.interrupted());
+                assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
             }});
 
         await(pleaseInterrupt);
         assertThreadStaysAlive(t);
         t.interrupt();
         awaitTermination(t);
+        checkEmpty(q);
     }
 
     /**
@@ -653,22 +664,22 @@ public class DelayQueueTest extends JSR1
     public void testPollInExecutor() {
         final DelayQueue q = new DelayQueue();
         final CheckedBarrier threadsStarted = new CheckedBarrier(2);
-        ExecutorService executor = Executors.newFixedThreadPool(2);
-        executor.execute(new CheckedRunnable() {
-            public void realRun() throws InterruptedException {
-                assertNull(q.poll());
-                threadsStarted.await();
-                assertNotNull(q.poll(LONG_DELAY_MS, MILLISECONDS));
-                checkEmpty(q);
-            }});
-
-        executor.execute(new CheckedRunnable() {
-            public void realRun() throws InterruptedException {
-                threadsStarted.await();
-                q.put(new PDelay(1));
-            }});
-
-        joinPool(executor);
+        final ExecutorService executor = Executors.newFixedThreadPool(2);
+        try (PoolCleaner cleaner = cleaner(executor)) {
+            executor.execute(new CheckedRunnable() {
+                public void realRun() throws InterruptedException {
+                    assertNull(q.poll());
+                    threadsStarted.await();
+                    assertNotNull(q.poll(LONG_DELAY_MS, MILLISECONDS));
+                    checkEmpty(q);
+                }});
+
+            executor.execute(new CheckedRunnable() {
+                public void realRun() throws InterruptedException {
+                    threadsStarted.await();
+                    q.put(new PDelay(1));
+                }});
+        }
     }
 
     /**