--- jsr166/src/test/tck/AbstractQueuedLongSynchronizerTest.java 2013/05/02 18:01:09 1.27 +++ jsr166/src/test/tck/AbstractQueuedLongSynchronizerTest.java 2014/12/02 07:23:13 1.28 @@ -9,6 +9,7 @@ import junit.framework.*; import java.util.*; import static java.util.concurrent.TimeUnit.MILLISECONDS; +import static java.util.concurrent.TimeUnit.NANOSECONDS; import java.util.concurrent.locks.AbstractQueuedLongSynchronizer; import java.util.concurrent.locks.AbstractQueuedLongSynchronizer.ConditionObject; @@ -1210,4 +1211,28 @@ public class AbstractQueuedLongSynchroni assertFalse(l.isSignalled()); } + /** + * awaitNanos/timed await with 0 wait times out immediately + */ + public void testAwait_Zero() throws InterruptedException { + final Mutex sync = new Mutex(); + final ConditionObject c = sync.newCondition(); + sync.acquire(); + assertTrue(c.awaitNanos(0L) <= 0); + assertFalse(c.await(0L, NANOSECONDS)); + sync.release(); + } + + /** + * awaitNanos/timed await with maximum negative wait times does not underflow + */ + public void testAwait_NegativeInfinity() throws InterruptedException { + final Mutex sync = new Mutex(); + final ConditionObject c = sync.newCondition(); + sync.acquire(); + assertTrue(c.awaitNanos(Long.MIN_VALUE) <= 0); + assertFalse(c.await(Long.MIN_VALUE, NANOSECONDS)); + sync.release(); + } + }