--- jsr166/src/test/tck/PriorityBlockingQueueTest.java	2015/10/04 18:49:02	1.65
+++ jsr166/src/test/tck/PriorityBlockingQueueTest.java	2017/03/11 18:20:47	1.71
@@ -42,9 +42,17 @@ public class PriorityBlockingQueueTest e
     }
 
     public static Test suite() {
+        class Implementation implements CollectionImplementation {
+            public Class<?> klazz() { return PriorityBlockingQueue.class; }
+            public Collection emptyCollection() { return new PriorityBlockingQueue(); }
+            public Object makeElement(int i) { return i; }
+            public boolean isConcurrent() { return true; }
+            public boolean permitsNulls() { return false; }
+        }
         return newTestSuite(PriorityBlockingQueueTest.class,
                             new Generic().testSuite(),
-                            new InitialCapacity().testSuite());
+                            new InitialCapacity().testSuite(),
+                            CollectionTest.testSuite(new Implementation()));
     }
 
     /** Sample Comparator */
@@ -56,9 +64,9 @@ public class PriorityBlockingQueueTest e
 
     /**
      * Returns a new queue of given size containing consecutive
-     * Integers 0 ... n.
+     * Integers 0 ... n - 1.
      */
-    private PriorityBlockingQueue<Integer> populatedQueue(int n) {
+    private static PriorityBlockingQueue<Integer> populatedQueue(int n) {
         PriorityBlockingQueue<Integer> q =
             new PriorityBlockingQueue<Integer>(n);
         assertTrue(q.isEmpty());
@@ -69,6 +77,7 @@ public class PriorityBlockingQueueTest e
         assertFalse(q.isEmpty());
         assertEquals(Integer.MAX_VALUE, q.remainingCapacity());
         assertEquals(n, q.size());
+        assertEquals((Integer) 0, q.peek());
         return q;
     }
 
@@ -200,9 +209,12 @@ public class PriorityBlockingQueueTest e
         PriorityBlockingQueue q = new PriorityBlockingQueue(1);
         try {
             q.offer(new Object());
-            q.offer(new Object());
             shouldThrow();
-        } catch (ClassCastException success) {}
+        } catch (ClassCastException success) {
+            assertTrue(q.isEmpty());
+            assertEquals(0, q.size());
+            assertNull(q.poll());
+        }
     }
 
     /**
@@ -393,25 +405,23 @@ public class PriorityBlockingQueueTest e
         final CountDownLatch aboutToWait = new CountDownLatch(1);
         Thread t = newStartedThread(new CheckedRunnable() {
             public void realRun() throws InterruptedException {
+                long startTime = System.nanoTime();
                 for (int i = 0; i < SIZE; ++i) {
-                    long t0 = System.nanoTime();
                     assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
-                    assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
                 }
-                long t0 = System.nanoTime();
                 aboutToWait.countDown();
                 try {
                     q.poll(LONG_DELAY_MS, MILLISECONDS);
                     shouldThrow();
                 } catch (InterruptedException success) {
-                    assertTrue(millisElapsedSince(t0) < MEDIUM_DELAY_MS);
+                    assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
                 }
             }});
 
         aboutToWait.await();
-        waitForThreadToEnterWaitState(t, SMALL_DELAY_MS);
+        waitForThreadToEnterWaitState(t);
         t.interrupt();
-        awaitTermination(t, MEDIUM_DELAY_MS);
+        awaitTermination(t);
     }
 
     /**