--- jsr166/src/test/tck/AbstractQueuedLongSynchronizerTest.java	2011/06/03 05:07:14	1.25
+++ jsr166/src/test/tck/AbstractQueuedLongSynchronizerTest.java	2013/05/02 18:01:09	1.27
@@ -117,7 +117,7 @@ public class AbstractQueuedLongSynchroni
     }
 
     /** A constant to clarify calls to checking methods below. */
-    final static Thread[] NO_THREADS = new Thread[0];
+    static final Thread[] NO_THREADS = new Thread[0];
 
     /**
      * Spin-waits until sync.isQueued(t) becomes true.
@@ -1187,17 +1187,24 @@ public class AbstractQueuedLongSynchroni
      */
     public void testTryAcquireSharedNanos_Timeout() {
         final BooleanLatch l = new BooleanLatch();
+        final BooleanLatch observedQueued = new BooleanLatch();
+        final long timeoutMillis = timeoutMillis();
         Thread t = newStartedThread(new CheckedRunnable() {
             public void realRun() throws InterruptedException {
                 assertFalse(l.isSignalled());
-                long startTime = System.nanoTime();
-                long nanos = MILLISECONDS.toNanos(timeoutMillis());
-                assertFalse(l.tryAcquireSharedNanos(0, nanos));
-                assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
+                for (long millis = timeoutMillis();
+                     !observedQueued.isSignalled();
+                     millis *= 2) {
+                    long nanos = MILLISECONDS.toNanos(millis);
+                    long startTime = System.nanoTime();
+                    assertFalse(l.tryAcquireSharedNanos(0, nanos));
+                    assertTrue(millisElapsedSince(startTime) >= millis);
+                }
                 assertFalse(l.isSignalled());
             }});
 
         waitForQueuedThread(l, t);
+        observedQueued.releaseShared(0);
         assertFalse(l.isSignalled());
         awaitTermination(t);
         assertFalse(l.isSignalled());