--- jsr166/src/test/tck/LinkedBlockingDequeTest.java	2016/08/06 17:02:49	1.64
+++ jsr166/src/test/tck/LinkedBlockingDequeTest.java	2017/05/13 21:52:59	1.71
@@ -41,16 +41,24 @@ public class LinkedBlockingDequeTest ext
     }
 
     public static Test suite() {
+        class Implementation implements CollectionImplementation {
+            public Class<?> klazz() { return LinkedBlockingDeque.class; }
+            public Collection emptyCollection() { return new LinkedBlockingDeque(); }
+            public Object makeElement(int i) { return i; }
+            public boolean isConcurrent() { return true; }
+            public boolean permitsNulls() { return false; }
+        }
         return newTestSuite(LinkedBlockingDequeTest.class,
                             new Unbounded().testSuite(),
-                            new Bounded().testSuite());
+                            new Bounded().testSuite(),
+                            CollectionTest.testSuite(new Implementation()));
     }
 
     /**
      * Returns a new deque of given size containing consecutive
-     * Integers 0 ... n.
+     * Integers 0 ... n - 1.
      */
-    private LinkedBlockingDeque<Integer> populatedDeque(int n) {
+    private static LinkedBlockingDeque<Integer> populatedDeque(int n) {
         LinkedBlockingDeque<Integer> q =
             new LinkedBlockingDeque<Integer>(n);
         assertTrue(q.isEmpty());
@@ -59,6 +67,8 @@ public class LinkedBlockingDequeTest ext
         assertFalse(q.isEmpty());
         assertEquals(0, q.remainingCapacity());
         assertEquals(n, q.size());
+        assertEquals((Integer) 0, q.peekFirst());
+        assertEquals((Integer) (n - 1), q.peekLast());
         return q;
     }
 
@@ -629,7 +639,7 @@ public class LinkedBlockingDequeTest ext
         assertEquals(0, q.take());
 
         await(pleaseInterrupt);
-        assertThreadStaysAlive(t);
+        assertThreadBlocks(t, Thread.State.WAITING);
         t.interrupt();
         awaitTermination(t);
         assertEquals(0, q.remainingCapacity());
@@ -679,9 +689,7 @@ public class LinkedBlockingDequeTest ext
         final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
         Thread t = newStartedThread(new CheckedRunnable() {
             public void realRun() throws InterruptedException {
-                for (int i = 0; i < SIZE; ++i) {
-                    assertEquals(i, q.take());
-                }
+                for (int i = 0; i < SIZE; i++) assertEquals(i, q.take());
 
                 Thread.currentThread().interrupt();
                 try {
@@ -699,7 +707,7 @@ public class LinkedBlockingDequeTest ext
             }});
 
         await(pleaseInterrupt);
-        assertThreadStaysAlive(t);
+        assertThreadBlocks(t, Thread.State.WAITING);
         t.interrupt();
         awaitTermination(t);
     }
@@ -764,7 +772,7 @@ public class LinkedBlockingDequeTest ext
                 }
             }});
 
-        aboutToWait.await();
+        await(aboutToWait);
         waitForThreadToEnterWaitState(t);
         t.interrupt();
         awaitTermination(t);
@@ -918,7 +926,7 @@ public class LinkedBlockingDequeTest ext
             }});
 
         await(threadStarted);
-        assertThreadStaysAlive(t);
+        assertThreadBlocks(t, Thread.State.WAITING);
         t.interrupt();
         awaitTermination(t);
     }
@@ -959,7 +967,7 @@ public class LinkedBlockingDequeTest ext
             }});
 
         await(threadStarted);
-        assertThreadStaysAlive(t);
+        assertThreadBlocks(t, Thread.State.WAITING);
         t.interrupt();
         awaitTermination(t);
     }
@@ -991,9 +999,7 @@ public class LinkedBlockingDequeTest ext
         final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
         Thread t = newStartedThread(new CheckedRunnable() {
             public void realRun() throws InterruptedException {
-                for (int i = 0; i < SIZE; ++i) {
-                    assertEquals(i, q.takeFirst());
-                }
+                for (int i = 0; i < SIZE; i++) assertEquals(i, q.takeFirst());
 
                 Thread.currentThread().interrupt();
                 try {
@@ -1011,7 +1017,7 @@ public class LinkedBlockingDequeTest ext
             }});
 
         await(pleaseInterrupt);
-        assertThreadStaysAlive(t);
+        assertThreadBlocks(t, Thread.State.WAITING);
         t.interrupt();
         awaitTermination(t);
     }
@@ -1258,9 +1264,8 @@ public class LinkedBlockingDequeTest ext
         final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
         Thread t = newStartedThread(new CheckedRunnable() {
             public void realRun() throws InterruptedException {
-                for (int i = 0; i < SIZE; ++i) {
+                for (int i = 0; i < SIZE; i++)
                     assertEquals(SIZE - i - 1, q.takeLast());
-                }
 
                 Thread.currentThread().interrupt();
                 try {
@@ -1278,7 +1283,7 @@ public class LinkedBlockingDequeTest ext
             }});
 
         await(pleaseInterrupt);
-        assertThreadStaysAlive(t);
+        assertThreadBlocks(t, Thread.State.WAITING);
         t.interrupt();
         awaitTermination(t);
     }