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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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import junit.framework.*; |
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import java.util.*; |
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import java.util.concurrent.*; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import java.util.concurrent.locks.*; |
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import java.io.*; |
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public class AbstractQueuedSynchronizerTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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junit.textui.TestRunner.run (suite()); |
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junit.textui.TestRunner.run(suite()); |
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} |
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public static Test suite() { |
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return new TestSuite(AbstractQueuedSynchronizerTest.class); |
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* ReentrantReadWriteLock, and Semaphore |
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*/ |
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static class Mutex extends AbstractQueuedSynchronizer { |
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public boolean isLocked() { return getState() == 1; } |
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|
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public boolean tryAcquireExclusive(int acquires) { |
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assertTrue(acquires == 1); |
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public boolean isHeldExclusively() { return getState() == 1; } |
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|
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public boolean tryAcquire(int acquires) { |
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assertEquals(1, acquires); |
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return compareAndSetState(0, 1); |
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} |
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|
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public boolean tryReleaseExclusive(int releases) { |
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|
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public boolean tryRelease(int releases) { |
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if (getState() == 0) throw new IllegalMonitorStateException(); |
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setState(0); |
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return true; |
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} |
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|
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public void checkConditionAccess(Thread thread) { |
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if (getState() == 0) throw new IllegalMonitorStateException(); |
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} |
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|
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public AbstractQueuedSynchronizer.ConditionObject newCondition() { return new AbstractQueuedSynchronizer.ConditionObject(); } |
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|
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public void lock() { |
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acquireExclusiveUninterruptibly(1); |
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|
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public AbstractQueuedSynchronizer.ConditionObject newCondition() { |
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return new AbstractQueuedSynchronizer.ConditionObject(); |
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} |
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|
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} |
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|
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/** |
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* A simple latch class, to test shared mode. |
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*/ |
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static class BooleanLatch extends AbstractQueuedSynchronizer { |
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static class BooleanLatch extends AbstractQueuedSynchronizer { |
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public boolean isSignalled() { return getState() != 0; } |
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|
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public int tryAcquireShared(int ignore) { |
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return isSignalled()? 1 : -1; |
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return isSignalled() ? 1 : -1; |
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} |
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|
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public boolean tryReleaseShared(int ignore) { |
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setState(1); |
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return true; |
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} |
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|
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/** |
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* A runnable calling acquireExclusiveInterruptibly |
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* A runnable calling acquireInterruptibly that does not expect to |
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* be interrupted. |
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*/ |
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class InterruptibleLockRunnable implements Runnable { |
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final Mutex lock; |
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InterruptibleLockRunnable(Mutex l) { lock = l; } |
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public void run() { |
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try { |
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lock.acquireExclusiveInterruptibly(1); |
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} catch(InterruptedException success){} |
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class InterruptibleSyncRunnable extends CheckedRunnable { |
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final Mutex sync; |
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InterruptibleSyncRunnable(Mutex l) { sync = l; } |
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public void realRun() throws InterruptedException { |
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sync.acquireInterruptibly(1); |
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} |
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} |
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/** |
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* A runnable calling acquireExclusiveInterruptibly that expects to be |
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* interrupted |
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* A runnable calling acquireInterruptibly that expects to be |
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* interrupted. |
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*/ |
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class InterruptedLockRunnable implements Runnable { |
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final Mutex lock; |
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InterruptedLockRunnable(Mutex l) { lock = l; } |
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public void run() { |
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try { |
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lock.acquireExclusiveInterruptibly(1); |
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threadShouldThrow(); |
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} catch(InterruptedException success){} |
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class InterruptedSyncRunnable extends CheckedInterruptedRunnable { |
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final Mutex sync; |
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InterruptedSyncRunnable(Mutex l) { sync = l; } |
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public void realRun() throws InterruptedException { |
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sync.acquireInterruptibly(1); |
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} |
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} |
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|
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/** |
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* isHeldExclusively is false upon construction |
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*/ |
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public void testIsHeldExclusively() { |
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Mutex rl = new Mutex(); |
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assertFalse(rl.isHeldExclusively()); |
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} |
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|
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/** |
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* acquireExclusiveUninterruptiblying an releaseExclusiveed lock succeeds |
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* acquiring released sync succeeds |
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*/ |
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public void testAcquireExclusiveUninterruptibly() { |
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Mutex rl = new Mutex(); |
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rl.acquireExclusiveUninterruptibly(1); |
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assertTrue(rl.isLocked()); |
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rl.releaseExclusive(1); |
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public void testAcquire() { |
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Mutex rl = new Mutex(); |
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rl.acquire(1); |
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assertTrue(rl.isHeldExclusively()); |
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rl.release(1); |
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assertFalse(rl.isHeldExclusively()); |
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} |
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/** |
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* tryAcquireExclusive on an releaseExclusiveed lock succeeds |
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* tryAcquire on an released sync succeeds |
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*/ |
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public void testTryAcquireExclusive() { |
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Mutex rl = new Mutex(); |
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assertTrue(rl.tryAcquireExclusive(1)); |
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assertTrue(rl.isLocked()); |
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rl.releaseExclusive(1); |
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public void testTryAcquire() { |
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Mutex rl = new Mutex(); |
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assertTrue(rl.tryAcquire(1)); |
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assertTrue(rl.isHeldExclusively()); |
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rl.release(1); |
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} |
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/** |
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* hasQueuedThreads reports whether there are waiting threads |
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*/ |
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public void testhasQueuedThreads() { |
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final Mutex lock = new Mutex(); |
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Thread t1 = new Thread(new InterruptedLockRunnable(lock)); |
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Thread t2 = new Thread(new InterruptibleLockRunnable(lock)); |
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try { |
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assertFalse(lock.hasQueuedThreads()); |
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lock.acquireExclusiveUninterruptibly(1); |
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t1.start(); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertTrue(lock.hasQueuedThreads()); |
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t2.start(); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertTrue(lock.hasQueuedThreads()); |
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t1.interrupt(); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertTrue(lock.hasQueuedThreads()); |
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lock.releaseExclusive(1); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertFalse(lock.hasQueuedThreads()); |
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t1.join(); |
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t2.join(); |
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} catch(Exception e){ |
148 |
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unexpectedException(); |
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} |
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} |
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public void testhasQueuedThreads() throws InterruptedException { |
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final Mutex sync = new Mutex(); |
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Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
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Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
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assertFalse(sync.hasQueuedThreads()); |
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sync.acquire(1); |
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t1.start(); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertTrue(sync.hasQueuedThreads()); |
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t2.start(); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertTrue(sync.hasQueuedThreads()); |
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t1.interrupt(); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertTrue(sync.hasQueuedThreads()); |
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sync.release(1); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertFalse(sync.hasQueuedThreads()); |
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t1.join(); |
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t2.join(); |
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} |
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|
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/** |
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* isQueued(null) throws NPE |
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*/ |
152 |
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public void testIsQueuedNPE() { |
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final Mutex lock = new Mutex(); |
152 |
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public void testIsQueuedNPE() { |
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final Mutex sync = new Mutex(); |
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try { |
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lock.isQueued(null); |
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sync.isQueued(null); |
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shouldThrow(); |
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} catch (NullPointerException success) { |
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} |
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} catch (NullPointerException success) {} |
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} |
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|
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/** |
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* isQueued reports whether a thread is queued. |
162 |
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*/ |
163 |
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public void testIsQueued() { |
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final Mutex lock = new Mutex(); |
165 |
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Thread t1 = new Thread(new InterruptedLockRunnable(lock)); |
166 |
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Thread t2 = new Thread(new InterruptibleLockRunnable(lock)); |
167 |
< |
try { |
168 |
< |
assertFalse(lock.isQueued(t1)); |
169 |
< |
assertFalse(lock.isQueued(t2)); |
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lock.acquireExclusiveUninterruptibly(1); |
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t1.start(); |
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Thread.sleep(SHORT_DELAY_MS); |
173 |
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assertTrue(lock.isQueued(t1)); |
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t2.start(); |
175 |
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Thread.sleep(SHORT_DELAY_MS); |
176 |
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assertTrue(lock.isQueued(t1)); |
177 |
< |
assertTrue(lock.isQueued(t2)); |
178 |
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t1.interrupt(); |
179 |
< |
Thread.sleep(SHORT_DELAY_MS); |
180 |
< |
assertFalse(lock.isQueued(t1)); |
181 |
< |
assertTrue(lock.isQueued(t2)); |
182 |
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lock.releaseExclusive(1); |
183 |
< |
Thread.sleep(SHORT_DELAY_MS); |
184 |
< |
assertFalse(lock.isQueued(t1)); |
185 |
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assertFalse(lock.isQueued(t2)); |
186 |
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t1.join(); |
187 |
< |
t2.join(); |
188 |
< |
} catch(Exception e){ |
193 |
< |
unexpectedException(); |
194 |
< |
} |
195 |
< |
} |
163 |
> |
public void testIsQueued() throws InterruptedException { |
164 |
> |
final Mutex sync = new Mutex(); |
165 |
> |
Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
166 |
> |
Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
167 |
> |
assertFalse(sync.isQueued(t1)); |
168 |
> |
assertFalse(sync.isQueued(t2)); |
169 |
> |
sync.acquire(1); |
170 |
> |
t1.start(); |
171 |
> |
Thread.sleep(SHORT_DELAY_MS); |
172 |
> |
assertTrue(sync.isQueued(t1)); |
173 |
> |
t2.start(); |
174 |
> |
Thread.sleep(SHORT_DELAY_MS); |
175 |
> |
assertTrue(sync.isQueued(t1)); |
176 |
> |
assertTrue(sync.isQueued(t2)); |
177 |
> |
t1.interrupt(); |
178 |
> |
Thread.sleep(SHORT_DELAY_MS); |
179 |
> |
assertFalse(sync.isQueued(t1)); |
180 |
> |
assertTrue(sync.isQueued(t2)); |
181 |
> |
sync.release(1); |
182 |
> |
Thread.sleep(SHORT_DELAY_MS); |
183 |
> |
assertFalse(sync.isQueued(t1)); |
184 |
> |
Thread.sleep(SHORT_DELAY_MS); |
185 |
> |
assertFalse(sync.isQueued(t2)); |
186 |
> |
t1.join(); |
187 |
> |
t2.join(); |
188 |
> |
} |
189 |
|
|
190 |
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/** |
191 |
< |
* getFirstQueuedThread returns first waiting thread or null is none |
192 |
< |
*/ |
193 |
< |
public void testGetFirstQueuedThread() { |
194 |
< |
final Mutex lock = new Mutex(); |
195 |
< |
Thread t1 = new Thread(new InterruptedLockRunnable(lock)); |
196 |
< |
Thread t2 = new Thread(new InterruptibleLockRunnable(lock)); |
197 |
< |
try { |
198 |
< |
assertNull(lock.getFirstQueuedThread()); |
199 |
< |
lock.acquireExclusiveUninterruptibly(1); |
200 |
< |
t1.start(); |
201 |
< |
Thread.sleep(SHORT_DELAY_MS); |
202 |
< |
assertEquals(t1, lock.getFirstQueuedThread()); |
203 |
< |
t2.start(); |
204 |
< |
Thread.sleep(SHORT_DELAY_MS); |
205 |
< |
assertEquals(t1, lock.getFirstQueuedThread()); |
206 |
< |
t1.interrupt(); |
207 |
< |
Thread.sleep(SHORT_DELAY_MS); |
208 |
< |
assertEquals(t2, lock.getFirstQueuedThread()); |
209 |
< |
lock.releaseExclusive(1); |
210 |
< |
Thread.sleep(SHORT_DELAY_MS); |
211 |
< |
assertNull(lock.getFirstQueuedThread()); |
212 |
< |
t1.join(); |
213 |
< |
t2.join(); |
214 |
< |
} catch(Exception e){ |
222 |
< |
unexpectedException(); |
223 |
< |
} |
224 |
< |
} |
191 |
> |
* getFirstQueuedThread returns first waiting thread or null if none |
192 |
> |
*/ |
193 |
> |
public void testGetFirstQueuedThread() throws InterruptedException { |
194 |
> |
final Mutex sync = new Mutex(); |
195 |
> |
Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
196 |
> |
Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
197 |
> |
assertNull(sync.getFirstQueuedThread()); |
198 |
> |
sync.acquire(1); |
199 |
> |
t1.start(); |
200 |
> |
Thread.sleep(SHORT_DELAY_MS); |
201 |
> |
assertEquals(t1, sync.getFirstQueuedThread()); |
202 |
> |
t2.start(); |
203 |
> |
Thread.sleep(SHORT_DELAY_MS); |
204 |
> |
assertEquals(t1, sync.getFirstQueuedThread()); |
205 |
> |
t1.interrupt(); |
206 |
> |
Thread.sleep(SHORT_DELAY_MS); |
207 |
> |
Thread.sleep(SHORT_DELAY_MS); |
208 |
> |
assertEquals(t2, sync.getFirstQueuedThread()); |
209 |
> |
sync.release(1); |
210 |
> |
Thread.sleep(SHORT_DELAY_MS); |
211 |
> |
assertNull(sync.getFirstQueuedThread()); |
212 |
> |
t1.join(); |
213 |
> |
t2.join(); |
214 |
> |
} |
215 |
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|
216 |
|
|
217 |
|
/** |
218 |
|
* hasContended reports false if no thread has ever blocked, else true |
219 |
|
*/ |
220 |
< |
public void testHasContended() { |
221 |
< |
final Mutex lock = new Mutex(); |
222 |
< |
Thread t1 = new Thread(new InterruptedLockRunnable(lock)); |
223 |
< |
Thread t2 = new Thread(new InterruptibleLockRunnable(lock)); |
224 |
< |
try { |
225 |
< |
assertFalse(lock.hasContended()); |
226 |
< |
lock.acquireExclusiveUninterruptibly(1); |
227 |
< |
t1.start(); |
228 |
< |
Thread.sleep(SHORT_DELAY_MS); |
229 |
< |
assertTrue(lock.hasContended()); |
230 |
< |
t2.start(); |
231 |
< |
Thread.sleep(SHORT_DELAY_MS); |
232 |
< |
assertTrue(lock.hasContended()); |
233 |
< |
t1.interrupt(); |
234 |
< |
Thread.sleep(SHORT_DELAY_MS); |
235 |
< |
assertTrue(lock.hasContended()); |
236 |
< |
lock.releaseExclusive(1); |
237 |
< |
Thread.sleep(SHORT_DELAY_MS); |
238 |
< |
assertTrue(lock.hasContended()); |
239 |
< |
t1.join(); |
240 |
< |
t2.join(); |
241 |
< |
} catch(Exception e){ |
242 |
< |
unexpectedException(); |
243 |
< |
} |
244 |
< |
} |
220 |
> |
public void testHasContended() throws InterruptedException { |
221 |
> |
final Mutex sync = new Mutex(); |
222 |
> |
Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
223 |
> |
Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
224 |
> |
assertFalse(sync.hasContended()); |
225 |
> |
sync.acquire(1); |
226 |
> |
t1.start(); |
227 |
> |
Thread.sleep(SHORT_DELAY_MS); |
228 |
> |
assertTrue(sync.hasContended()); |
229 |
> |
t2.start(); |
230 |
> |
Thread.sleep(SHORT_DELAY_MS); |
231 |
> |
assertTrue(sync.hasContended()); |
232 |
> |
t1.interrupt(); |
233 |
> |
Thread.sleep(SHORT_DELAY_MS); |
234 |
> |
assertTrue(sync.hasContended()); |
235 |
> |
sync.release(1); |
236 |
> |
Thread.sleep(SHORT_DELAY_MS); |
237 |
> |
assertTrue(sync.hasContended()); |
238 |
> |
t1.join(); |
239 |
> |
t2.join(); |
240 |
> |
} |
241 |
> |
|
242 |
> |
/** |
243 |
> |
* getQueuedThreads includes waiting threads |
244 |
> |
*/ |
245 |
> |
public void testGetQueuedThreads() throws InterruptedException { |
246 |
> |
final Mutex sync = new Mutex(); |
247 |
> |
Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
248 |
> |
Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
249 |
> |
assertTrue(sync.getQueuedThreads().isEmpty()); |
250 |
> |
sync.acquire(1); |
251 |
> |
assertTrue(sync.getQueuedThreads().isEmpty()); |
252 |
> |
t1.start(); |
253 |
> |
Thread.sleep(SHORT_DELAY_MS); |
254 |
> |
assertTrue(sync.getQueuedThreads().contains(t1)); |
255 |
> |
t2.start(); |
256 |
> |
Thread.sleep(SHORT_DELAY_MS); |
257 |
> |
assertTrue(sync.getQueuedThreads().contains(t1)); |
258 |
> |
assertTrue(sync.getQueuedThreads().contains(t2)); |
259 |
> |
t1.interrupt(); |
260 |
> |
Thread.sleep(SHORT_DELAY_MS); |
261 |
> |
assertFalse(sync.getQueuedThreads().contains(t1)); |
262 |
> |
assertTrue(sync.getQueuedThreads().contains(t2)); |
263 |
> |
sync.release(1); |
264 |
> |
Thread.sleep(SHORT_DELAY_MS); |
265 |
> |
assertTrue(sync.getQueuedThreads().isEmpty()); |
266 |
> |
t1.join(); |
267 |
> |
t2.join(); |
268 |
> |
} |
269 |
> |
|
270 |
> |
/** |
271 |
> |
* getExclusiveQueuedThreads includes waiting threads |
272 |
> |
*/ |
273 |
> |
public void testGetExclusiveQueuedThreads() throws InterruptedException { |
274 |
> |
final Mutex sync = new Mutex(); |
275 |
> |
Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
276 |
> |
Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
277 |
> |
assertTrue(sync.getExclusiveQueuedThreads().isEmpty()); |
278 |
> |
sync.acquire(1); |
279 |
> |
assertTrue(sync.getExclusiveQueuedThreads().isEmpty()); |
280 |
> |
t1.start(); |
281 |
> |
Thread.sleep(SHORT_DELAY_MS); |
282 |
> |
assertTrue(sync.getExclusiveQueuedThreads().contains(t1)); |
283 |
> |
t2.start(); |
284 |
> |
Thread.sleep(SHORT_DELAY_MS); |
285 |
> |
assertTrue(sync.getExclusiveQueuedThreads().contains(t1)); |
286 |
> |
assertTrue(sync.getExclusiveQueuedThreads().contains(t2)); |
287 |
> |
t1.interrupt(); |
288 |
> |
Thread.sleep(SHORT_DELAY_MS); |
289 |
> |
assertFalse(sync.getExclusiveQueuedThreads().contains(t1)); |
290 |
> |
assertTrue(sync.getExclusiveQueuedThreads().contains(t2)); |
291 |
> |
sync.release(1); |
292 |
> |
Thread.sleep(SHORT_DELAY_MS); |
293 |
> |
assertTrue(sync.getExclusiveQueuedThreads().isEmpty()); |
294 |
> |
t1.join(); |
295 |
> |
t2.join(); |
296 |
> |
} |
297 |
> |
|
298 |
> |
/** |
299 |
> |
* getSharedQueuedThreads does not include exclusively waiting threads |
300 |
> |
*/ |
301 |
> |
public void testGetSharedQueuedThreads() throws InterruptedException { |
302 |
> |
final Mutex sync = new Mutex(); |
303 |
> |
Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
304 |
> |
Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
305 |
> |
assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
306 |
> |
sync.acquire(1); |
307 |
> |
assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
308 |
> |
t1.start(); |
309 |
> |
Thread.sleep(SHORT_DELAY_MS); |
310 |
> |
assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
311 |
> |
t2.start(); |
312 |
> |
Thread.sleep(SHORT_DELAY_MS); |
313 |
> |
assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
314 |
> |
t1.interrupt(); |
315 |
> |
Thread.sleep(SHORT_DELAY_MS); |
316 |
> |
assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
317 |
> |
sync.release(1); |
318 |
> |
Thread.sleep(SHORT_DELAY_MS); |
319 |
> |
assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
320 |
> |
t1.join(); |
321 |
> |
t2.join(); |
322 |
> |
} |
323 |
> |
|
324 |
> |
/** |
325 |
> |
* tryAcquireNanos is interruptible. |
326 |
> |
*/ |
327 |
> |
public void testInterruptedException2() throws InterruptedException { |
328 |
> |
final Mutex sync = new Mutex(); |
329 |
> |
sync.acquire(1); |
330 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
331 |
> |
public void realRun() throws InterruptedException { |
332 |
> |
sync.tryAcquireNanos(1, MILLISECONDS.toNanos(MEDIUM_DELAY_MS)); |
333 |
> |
}}); |
334 |
|
|
335 |
< |
/** |
336 |
< |
* acquireExclusiveNanos is interruptible. |
337 |
< |
*/ |
338 |
< |
public void testInterruptedException2() { |
260 |
< |
final Mutex lock = new Mutex(); |
261 |
< |
lock.acquireExclusiveUninterruptibly(1); |
262 |
< |
Thread t = new Thread(new Runnable() { |
263 |
< |
public void run() { |
264 |
< |
try { |
265 |
< |
lock.acquireExclusiveNanos(1, MEDIUM_DELAY_MS * 1000 * 1000); |
266 |
< |
threadShouldThrow(); |
267 |
< |
} catch(InterruptedException success){} |
268 |
< |
} |
269 |
< |
}); |
270 |
< |
try { |
271 |
< |
t.start(); |
272 |
< |
t.interrupt(); |
273 |
< |
} catch(Exception e){ |
274 |
< |
unexpectedException(); |
275 |
< |
} |
335 |
> |
t.start(); |
336 |
> |
Thread.sleep(SHORT_DELAY_MS); |
337 |
> |
t.interrupt(); |
338 |
> |
t.join(); |
339 |
|
} |
340 |
|
|
341 |
|
|
342 |
|
/** |
343 |
< |
* TryAcquireExclusive on a locked lock fails |
343 |
> |
* TryAcquire on exclusively held sync fails |
344 |
|
*/ |
345 |
< |
public void testTryAcquireExclusiveWhenLocked() { |
346 |
< |
final Mutex lock = new Mutex(); |
347 |
< |
lock.acquireExclusiveUninterruptibly(1); |
348 |
< |
Thread t = new Thread(new Runnable() { |
349 |
< |
public void run() { |
350 |
< |
threadAssertFalse(lock.tryAcquireExclusive(1)); |
351 |
< |
} |
352 |
< |
}); |
353 |
< |
try { |
354 |
< |
t.start(); |
355 |
< |
t.join(); |
356 |
< |
lock.releaseExclusive(1); |
294 |
< |
} catch(Exception e){ |
295 |
< |
unexpectedException(); |
296 |
< |
} |
297 |
< |
} |
345 |
> |
public void testTryAcquireWhenSynced() throws InterruptedException { |
346 |
> |
final Mutex sync = new Mutex(); |
347 |
> |
sync.acquire(1); |
348 |
> |
Thread t = new Thread(new CheckedRunnable() { |
349 |
> |
public void realRun() { |
350 |
> |
assertFalse(sync.tryAcquire(1)); |
351 |
> |
}}); |
352 |
> |
|
353 |
> |
t.start(); |
354 |
> |
t.join(); |
355 |
> |
sync.release(1); |
356 |
> |
} |
357 |
|
|
358 |
|
/** |
359 |
< |
* acquireExclusiveNanos on a locked lock times out |
359 |
> |
* tryAcquireNanos on an exclusively held sync times out |
360 |
|
*/ |
361 |
< |
public void testAcquireExclusiveNanos_Timeout() { |
362 |
< |
final Mutex lock = new Mutex(); |
363 |
< |
lock.acquireExclusiveUninterruptibly(1); |
364 |
< |
Thread t = new Thread(new Runnable() { |
365 |
< |
public void run() { |
366 |
< |
try { |
367 |
< |
threadAssertFalse(lock.acquireExclusiveNanos(1, 1000 * 1000)); |
368 |
< |
} catch (Exception ex) { |
369 |
< |
threadUnexpectedException(); |
370 |
< |
} |
371 |
< |
} |
372 |
< |
}); |
373 |
< |
try { |
374 |
< |
t.start(); |
375 |
< |
t.join(); |
317 |
< |
lock.releaseExclusive(1); |
318 |
< |
} catch(Exception e){ |
319 |
< |
unexpectedException(); |
320 |
< |
} |
321 |
< |
} |
322 |
< |
|
323 |
< |
|
361 |
> |
public void testAcquireNanos_Timeout() throws InterruptedException { |
362 |
> |
final Mutex sync = new Mutex(); |
363 |
> |
sync.acquire(1); |
364 |
> |
Thread t = new Thread(new CheckedRunnable() { |
365 |
> |
public void realRun() throws InterruptedException { |
366 |
> |
long nanos = MILLISECONDS.toNanos(SHORT_DELAY_MS); |
367 |
> |
assertFalse(sync.tryAcquireNanos(1, nanos)); |
368 |
> |
}}); |
369 |
> |
|
370 |
> |
t.start(); |
371 |
> |
t.join(); |
372 |
> |
sync.release(1); |
373 |
> |
} |
374 |
> |
|
375 |
> |
|
376 |
|
/** |
377 |
|
* getState is true when acquired and false when not |
378 |
|
*/ |
379 |
< |
public void testGetState() { |
380 |
< |
final Mutex lock = new Mutex(); |
381 |
< |
lock.acquireExclusiveUninterruptibly(1); |
382 |
< |
assertTrue(lock.isLocked()); |
383 |
< |
lock.releaseExclusive(1); |
384 |
< |
assertFalse(lock.isLocked()); |
385 |
< |
Thread t = new Thread(new Runnable() { |
386 |
< |
public void run() { |
387 |
< |
lock.acquireExclusiveUninterruptibly(1); |
388 |
< |
try { |
389 |
< |
Thread.sleep(SMALL_DELAY_MS); |
390 |
< |
} |
391 |
< |
catch(Exception e) { |
392 |
< |
threadUnexpectedException(); |
393 |
< |
} |
394 |
< |
lock.releaseExclusive(1); |
395 |
< |
} |
396 |
< |
}); |
345 |
< |
try { |
346 |
< |
t.start(); |
347 |
< |
Thread.sleep(SHORT_DELAY_MS); |
348 |
< |
assertTrue(lock.isLocked()); |
349 |
< |
t.join(); |
350 |
< |
assertFalse(lock.isLocked()); |
351 |
< |
} catch(Exception e){ |
352 |
< |
unexpectedException(); |
353 |
< |
} |
379 |
> |
public void testGetState() throws InterruptedException { |
380 |
> |
final Mutex sync = new Mutex(); |
381 |
> |
sync.acquire(1); |
382 |
> |
assertTrue(sync.isHeldExclusively()); |
383 |
> |
sync.release(1); |
384 |
> |
assertFalse(sync.isHeldExclusively()); |
385 |
> |
Thread t = new Thread(new CheckedRunnable() { |
386 |
> |
public void realRun() throws InterruptedException { |
387 |
> |
sync.acquire(1); |
388 |
> |
Thread.sleep(SMALL_DELAY_MS); |
389 |
> |
sync.release(1); |
390 |
> |
}}); |
391 |
> |
|
392 |
> |
t.start(); |
393 |
> |
Thread.sleep(SHORT_DELAY_MS); |
394 |
> |
assertTrue(sync.isHeldExclusively()); |
395 |
> |
t.join(); |
396 |
> |
assertFalse(sync.isHeldExclusively()); |
397 |
|
} |
398 |
|
|
399 |
|
|
400 |
|
/** |
401 |
< |
* acquireExclusiveInterruptibly is interruptible. |
401 |
> |
* acquireInterruptibly is interruptible. |
402 |
|
*/ |
403 |
< |
public void testAcquireInterruptibly1() { |
404 |
< |
final Mutex lock = new Mutex(); |
405 |
< |
lock.acquireExclusiveUninterruptibly(1); |
406 |
< |
Thread t = new Thread(new InterruptedLockRunnable(lock)); |
407 |
< |
try { |
408 |
< |
t.start(); |
409 |
< |
t.interrupt(); |
410 |
< |
lock.releaseExclusive(1); |
411 |
< |
t.join(); |
412 |
< |
} catch(Exception e){ |
413 |
< |
unexpectedException(); |
414 |
< |
} |
372 |
< |
} |
403 |
> |
public void testAcquireInterruptibly1() throws InterruptedException { |
404 |
> |
final Mutex sync = new Mutex(); |
405 |
> |
sync.acquire(1); |
406 |
> |
Thread t = new Thread(new InterruptedSyncRunnable(sync)); |
407 |
> |
|
408 |
> |
t.start(); |
409 |
> |
Thread.sleep(SHORT_DELAY_MS); |
410 |
> |
t.interrupt(); |
411 |
> |
Thread.sleep(SHORT_DELAY_MS); |
412 |
> |
sync.release(1); |
413 |
> |
t.join(); |
414 |
> |
} |
415 |
|
|
416 |
|
/** |
417 |
< |
* acquireExclusiveInterruptibly succeeds when released, else is interruptible |
417 |
> |
* acquireInterruptibly succeeds when released, else is interruptible |
418 |
|
*/ |
419 |
< |
public void testAcquireInterruptibly2() { |
420 |
< |
final Mutex lock = new Mutex(); |
421 |
< |
try { |
422 |
< |
lock.acquireExclusiveInterruptibly(1); |
423 |
< |
} catch(Exception e) { |
424 |
< |
unexpectedException(); |
425 |
< |
} |
426 |
< |
Thread t = new Thread(new InterruptedLockRunnable(lock)); |
427 |
< |
try { |
386 |
< |
t.start(); |
387 |
< |
t.interrupt(); |
388 |
< |
assertTrue(lock.isLocked()); |
389 |
< |
t.join(); |
390 |
< |
} catch(Exception e){ |
391 |
< |
unexpectedException(); |
392 |
< |
} |
419 |
> |
public void testAcquireInterruptibly2() throws InterruptedException { |
420 |
> |
final Mutex sync = new Mutex(); |
421 |
> |
sync.acquireInterruptibly(1); |
422 |
> |
Thread t = new Thread(new InterruptedSyncRunnable(sync)); |
423 |
> |
t.start(); |
424 |
> |
Thread.sleep(SHORT_DELAY_MS); |
425 |
> |
t.interrupt(); |
426 |
> |
assertTrue(sync.isHeldExclusively()); |
427 |
> |
t.join(); |
428 |
|
} |
429 |
|
|
430 |
|
/** |
431 |
< |
* owns is true for a condition created by lock else false |
431 |
> |
* owns is true for a condition created by sync else false |
432 |
|
*/ |
433 |
|
public void testOwns() { |
434 |
< |
final Mutex lock = new Mutex(); |
435 |
< |
final AbstractQueuedSynchronizer.ConditionObject c = lock.newCondition(); |
436 |
< |
final Mutex lock2 = new Mutex(); |
437 |
< |
assertTrue(lock.owns(c)); |
438 |
< |
assertFalse(lock2.owns(c)); |
434 |
> |
final Mutex sync = new Mutex(); |
435 |
> |
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
436 |
> |
final Mutex sync2 = new Mutex(); |
437 |
> |
assertTrue(sync.owns(c)); |
438 |
> |
assertFalse(sync2.owns(c)); |
439 |
|
} |
440 |
|
|
441 |
|
/** |
442 |
< |
* Calling await without holding lock throws IllegalMonitorStateException |
442 |
> |
* Calling await without holding sync throws IllegalMonitorStateException |
443 |
|
*/ |
444 |
< |
public void testAwait_IllegalMonitor() { |
445 |
< |
final Mutex lock = new Mutex(); |
446 |
< |
final AbstractQueuedSynchronizer.ConditionObject c = lock.newCondition(); |
444 |
> |
public void testAwait_IllegalMonitor() throws InterruptedException { |
445 |
> |
final Mutex sync = new Mutex(); |
446 |
> |
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
447 |
|
try { |
448 |
|
c.await(); |
449 |
|
shouldThrow(); |
450 |
< |
} |
416 |
< |
catch (IllegalMonitorStateException success) { |
417 |
< |
} |
418 |
< |
catch (Exception ex) { |
419 |
< |
unexpectedException(); |
420 |
< |
} |
450 |
> |
} catch (IllegalMonitorStateException success) {} |
451 |
|
} |
452 |
|
|
453 |
|
/** |
454 |
< |
* Calling signal without holding lock throws IllegalMonitorStateException |
454 |
> |
* Calling signal without holding sync throws IllegalMonitorStateException |
455 |
|
*/ |
456 |
|
public void testSignal_IllegalMonitor() { |
457 |
< |
final Mutex lock = new Mutex(); |
458 |
< |
final AbstractQueuedSynchronizer.ConditionObject c = lock.newCondition(); |
457 |
> |
final Mutex sync = new Mutex(); |
458 |
> |
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
459 |
|
try { |
460 |
|
c.signal(); |
461 |
|
shouldThrow(); |
462 |
< |
} |
433 |
< |
catch (IllegalMonitorStateException success) { |
434 |
< |
} |
435 |
< |
catch (Exception ex) { |
436 |
< |
unexpectedException(); |
437 |
< |
} |
462 |
> |
} catch (IllegalMonitorStateException success) {} |
463 |
|
} |
464 |
|
|
465 |
|
/** |
466 |
|
* awaitNanos without a signal times out |
467 |
|
*/ |
468 |
< |
public void testAwaitNanos_Timeout() { |
469 |
< |
final Mutex lock = new Mutex(); |
470 |
< |
final AbstractQueuedSynchronizer.ConditionObject c = lock.newCondition(); |
471 |
< |
try { |
472 |
< |
lock.acquireExclusiveUninterruptibly(1); |
473 |
< |
long t = c.awaitNanos(100); |
474 |
< |
assertTrue(t <= 0); |
450 |
< |
lock.releaseExclusive(1); |
451 |
< |
} |
452 |
< |
catch (Exception ex) { |
453 |
< |
unexpectedException(); |
454 |
< |
} |
468 |
> |
public void testAwaitNanos_Timeout() throws InterruptedException { |
469 |
> |
final Mutex sync = new Mutex(); |
470 |
> |
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
471 |
> |
sync.acquire(1); |
472 |
> |
long t = c.awaitNanos(100); |
473 |
> |
assertTrue(t <= 0); |
474 |
> |
sync.release(1); |
475 |
|
} |
476 |
|
|
477 |
|
/** |
478 |
< |
* timed await without a signal times out |
479 |
< |
*/ |
480 |
< |
public void testAwait_Timeout() { |
481 |
< |
final Mutex lock = new Mutex(); |
482 |
< |
final AbstractQueuedSynchronizer.ConditionObject c = lock.newCondition(); |
483 |
< |
try { |
484 |
< |
lock.acquireExclusiveUninterruptibly(1); |
485 |
< |
assertFalse(c.await(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
466 |
< |
lock.releaseExclusive(1); |
467 |
< |
} |
468 |
< |
catch (Exception ex) { |
469 |
< |
unexpectedException(); |
470 |
< |
} |
478 |
> |
* Timed await without a signal times out |
479 |
> |
*/ |
480 |
> |
public void testAwait_Timeout() throws InterruptedException { |
481 |
> |
final Mutex sync = new Mutex(); |
482 |
> |
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
483 |
> |
sync.acquire(1); |
484 |
> |
assertFalse(c.await(SHORT_DELAY_MS, MILLISECONDS)); |
485 |
> |
sync.release(1); |
486 |
|
} |
487 |
|
|
488 |
|
/** |
489 |
|
* awaitUntil without a signal times out |
490 |
|
*/ |
491 |
< |
public void testAwaitUntil_Timeout() { |
492 |
< |
final Mutex lock = new Mutex(); |
493 |
< |
final AbstractQueuedSynchronizer.ConditionObject c = lock.newCondition(); |
494 |
< |
try { |
495 |
< |
lock.acquireExclusiveUninterruptibly(1); |
496 |
< |
java.util.Date d = new java.util.Date(); |
497 |
< |
assertFalse(c.awaitUntil(new java.util.Date(d.getTime() + 10))); |
483 |
< |
lock.releaseExclusive(1); |
484 |
< |
} |
485 |
< |
catch (Exception ex) { |
486 |
< |
unexpectedException(); |
487 |
< |
} |
491 |
> |
public void testAwaitUntil_Timeout() throws InterruptedException { |
492 |
> |
final Mutex sync = new Mutex(); |
493 |
> |
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
494 |
> |
sync.acquire(1); |
495 |
> |
java.util.Date d = new java.util.Date(); |
496 |
> |
assertFalse(c.awaitUntil(new java.util.Date(d.getTime() + 10))); |
497 |
> |
sync.release(1); |
498 |
|
} |
499 |
|
|
500 |
|
/** |
501 |
|
* await returns when signalled |
502 |
|
*/ |
503 |
< |
public void testAwait() { |
504 |
< |
final Mutex lock = new Mutex(); |
505 |
< |
final AbstractQueuedSynchronizer.ConditionObject c = lock.newCondition(); |
506 |
< |
Thread t = new Thread(new Runnable() { |
507 |
< |
public void run() { |
508 |
< |
try { |
509 |
< |
lock.acquireExclusiveUninterruptibly(1); |
510 |
< |
c.await(); |
511 |
< |
lock.releaseExclusive(1); |
502 |
< |
} |
503 |
< |
catch(InterruptedException e) { |
504 |
< |
threadUnexpectedException(); |
505 |
< |
} |
506 |
< |
} |
507 |
< |
}); |
503 |
> |
public void testAwait() throws InterruptedException { |
504 |
> |
final Mutex sync = new Mutex(); |
505 |
> |
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
506 |
> |
Thread t = new Thread(new CheckedRunnable() { |
507 |
> |
public void realRun() throws InterruptedException { |
508 |
> |
sync.acquire(1); |
509 |
> |
c.await(); |
510 |
> |
sync.release(1); |
511 |
> |
}}); |
512 |
|
|
513 |
< |
try { |
514 |
< |
t.start(); |
515 |
< |
Thread.sleep(SHORT_DELAY_MS); |
516 |
< |
lock.acquireExclusiveUninterruptibly(1); |
517 |
< |
c.signal(); |
518 |
< |
lock.releaseExclusive(1); |
519 |
< |
t.join(SHORT_DELAY_MS); |
516 |
< |
assertFalse(t.isAlive()); |
517 |
< |
} |
518 |
< |
catch (Exception ex) { |
519 |
< |
unexpectedException(); |
520 |
< |
} |
513 |
> |
t.start(); |
514 |
> |
Thread.sleep(SHORT_DELAY_MS); |
515 |
> |
sync.acquire(1); |
516 |
> |
c.signal(); |
517 |
> |
sync.release(1); |
518 |
> |
t.join(SHORT_DELAY_MS); |
519 |
> |
assertFalse(t.isAlive()); |
520 |
|
} |
521 |
|
|
522 |
|
|
525 |
|
* hasWaiters throws NPE if null |
526 |
|
*/ |
527 |
|
public void testHasWaitersNPE() { |
528 |
< |
final Mutex lock = new Mutex(); |
528 |
> |
final Mutex sync = new Mutex(); |
529 |
|
try { |
530 |
< |
lock.hasWaiters(null); |
530 |
> |
sync.hasWaiters(null); |
531 |
|
shouldThrow(); |
532 |
< |
} catch (NullPointerException success) { |
534 |
< |
} catch (Exception ex) { |
535 |
< |
unexpectedException(); |
536 |
< |
} |
532 |
> |
} catch (NullPointerException success) {} |
533 |
|
} |
534 |
|
|
535 |
|
/** |
536 |
|
* getWaitQueueLength throws NPE if null |
537 |
|
*/ |
538 |
|
public void testGetWaitQueueLengthNPE() { |
539 |
< |
final Mutex lock = new Mutex(); |
539 |
> |
final Mutex sync = new Mutex(); |
540 |
|
try { |
541 |
< |
lock.getWaitQueueLength(null); |
541 |
> |
sync.getWaitQueueLength(null); |
542 |
|
shouldThrow(); |
543 |
< |
} catch (NullPointerException success) { |
548 |
< |
} catch (Exception ex) { |
549 |
< |
unexpectedException(); |
550 |
< |
} |
543 |
> |
} catch (NullPointerException success) {} |
544 |
|
} |
545 |
|
|
546 |
|
|
548 |
|
* getWaitingThreads throws NPE if null |
549 |
|
*/ |
550 |
|
public void testGetWaitingThreadsNPE() { |
551 |
< |
final Mutex lock = new Mutex(); |
551 |
> |
final Mutex sync = new Mutex(); |
552 |
|
try { |
553 |
< |
lock.getWaitingThreads(null); |
553 |
> |
sync.getWaitingThreads(null); |
554 |
|
shouldThrow(); |
555 |
< |
} catch (NullPointerException success) { |
563 |
< |
} catch (Exception ex) { |
564 |
< |
unexpectedException(); |
565 |
< |
} |
555 |
> |
} catch (NullPointerException success) {} |
556 |
|
} |
557 |
|
|
558 |
|
|
560 |
|
* hasWaiters throws IAE if not owned |
561 |
|
*/ |
562 |
|
public void testHasWaitersIAE() { |
563 |
< |
final Mutex lock = new Mutex(); |
564 |
< |
final AbstractQueuedSynchronizer.ConditionObject c = (lock.newCondition()); |
565 |
< |
final Mutex lock2 = new Mutex(); |
563 |
> |
final Mutex sync = new Mutex(); |
564 |
> |
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
565 |
> |
final Mutex sync2 = new Mutex(); |
566 |
|
try { |
567 |
< |
lock2.hasWaiters(c); |
567 |
> |
sync2.hasWaiters(c); |
568 |
|
shouldThrow(); |
569 |
< |
} catch (IllegalArgumentException success) { |
580 |
< |
} catch (Exception ex) { |
581 |
< |
unexpectedException(); |
582 |
< |
} |
569 |
> |
} catch (IllegalArgumentException success) {} |
570 |
|
} |
571 |
|
|
572 |
|
/** |
573 |
< |
* hasWaiters throws IMSE if not locked |
573 |
> |
* hasWaiters throws IMSE if not synced |
574 |
|
*/ |
575 |
|
public void testHasWaitersIMSE() { |
576 |
< |
final Mutex lock = new Mutex(); |
577 |
< |
final AbstractQueuedSynchronizer.ConditionObject c = (lock.newCondition()); |
576 |
> |
final Mutex sync = new Mutex(); |
577 |
> |
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
578 |
|
try { |
579 |
< |
lock.hasWaiters(c); |
579 |
> |
sync.hasWaiters(c); |
580 |
|
shouldThrow(); |
581 |
< |
} catch (IllegalMonitorStateException success) { |
595 |
< |
} catch (Exception ex) { |
596 |
< |
unexpectedException(); |
597 |
< |
} |
581 |
> |
} catch (IllegalMonitorStateException success) {} |
582 |
|
} |
583 |
|
|
584 |
|
|
586 |
|
* getWaitQueueLength throws IAE if not owned |
587 |
|
*/ |
588 |
|
public void testGetWaitQueueLengthIAE() { |
589 |
< |
final Mutex lock = new Mutex(); |
590 |
< |
final AbstractQueuedSynchronizer.ConditionObject c = (lock.newCondition()); |
591 |
< |
final Mutex lock2 = new Mutex(); |
589 |
> |
final Mutex sync = new Mutex(); |
590 |
> |
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
591 |
> |
final Mutex sync2 = new Mutex(); |
592 |
|
try { |
593 |
< |
lock2.getWaitQueueLength(c); |
593 |
> |
sync2.getWaitQueueLength(c); |
594 |
|
shouldThrow(); |
595 |
< |
} catch (IllegalArgumentException success) { |
612 |
< |
} catch (Exception ex) { |
613 |
< |
unexpectedException(); |
614 |
< |
} |
595 |
> |
} catch (IllegalArgumentException success) {} |
596 |
|
} |
597 |
|
|
598 |
|
/** |
599 |
< |
* getWaitQueueLength throws IMSE if not locked |
599 |
> |
* getWaitQueueLength throws IMSE if not synced |
600 |
|
*/ |
601 |
|
public void testGetWaitQueueLengthIMSE() { |
602 |
< |
final Mutex lock = new Mutex(); |
603 |
< |
final AbstractQueuedSynchronizer.ConditionObject c = (lock.newCondition()); |
602 |
> |
final Mutex sync = new Mutex(); |
603 |
> |
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
604 |
|
try { |
605 |
< |
lock.getWaitQueueLength(c); |
605 |
> |
sync.getWaitQueueLength(c); |
606 |
|
shouldThrow(); |
607 |
< |
} catch (IllegalMonitorStateException success) { |
627 |
< |
} catch (Exception ex) { |
628 |
< |
unexpectedException(); |
629 |
< |
} |
607 |
> |
} catch (IllegalMonitorStateException success) {} |
608 |
|
} |
609 |
|
|
610 |
|
|
612 |
|
* getWaitingThreads throws IAE if not owned |
613 |
|
*/ |
614 |
|
public void testGetWaitingThreadsIAE() { |
615 |
< |
final Mutex lock = new Mutex(); |
616 |
< |
final AbstractQueuedSynchronizer.ConditionObject c = (lock.newCondition()); |
617 |
< |
final Mutex lock2 = new Mutex(); |
615 |
> |
final Mutex sync = new Mutex(); |
616 |
> |
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
617 |
> |
final Mutex sync2 = new Mutex(); |
618 |
|
try { |
619 |
< |
lock2.getWaitingThreads(c); |
619 |
> |
sync2.getWaitingThreads(c); |
620 |
|
shouldThrow(); |
621 |
< |
} catch (IllegalArgumentException success) { |
644 |
< |
} catch (Exception ex) { |
645 |
< |
unexpectedException(); |
646 |
< |
} |
621 |
> |
} catch (IllegalArgumentException success) {} |
622 |
|
} |
623 |
|
|
624 |
|
/** |
625 |
< |
* getWaitingThreads throws IMSE if not locked |
625 |
> |
* getWaitingThreads throws IMSE if not synced |
626 |
|
*/ |
627 |
|
public void testGetWaitingThreadsIMSE() { |
628 |
< |
final Mutex lock = new Mutex(); |
629 |
< |
final AbstractQueuedSynchronizer.ConditionObject c = (lock.newCondition()); |
628 |
> |
final Mutex sync = new Mutex(); |
629 |
> |
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
630 |
|
try { |
631 |
< |
lock.getWaitingThreads(c); |
631 |
> |
sync.getWaitingThreads(c); |
632 |
|
shouldThrow(); |
633 |
< |
} catch (IllegalMonitorStateException success) { |
659 |
< |
} catch (Exception ex) { |
660 |
< |
unexpectedException(); |
661 |
< |
} |
633 |
> |
} catch (IllegalMonitorStateException success) {} |
634 |
|
} |
635 |
|
|
636 |
|
|
638 |
|
/** |
639 |
|
* hasWaiters returns true when a thread is waiting, else false |
640 |
|
*/ |
641 |
< |
public void testHasWaiters() { |
642 |
< |
final Mutex lock = new Mutex(); |
643 |
< |
final AbstractQueuedSynchronizer.ConditionObject c = lock.newCondition(); |
644 |
< |
Thread t = new Thread(new Runnable() { |
645 |
< |
public void run() { |
646 |
< |
try { |
647 |
< |
lock.acquireExclusiveUninterruptibly(1); |
648 |
< |
threadAssertFalse(lock.hasWaiters(c)); |
649 |
< |
threadAssertEquals(0, lock.getWaitQueueLength(c)); |
650 |
< |
c.await(); |
651 |
< |
lock.releaseExclusive(1); |
680 |
< |
} |
681 |
< |
catch(InterruptedException e) { |
682 |
< |
threadUnexpectedException(); |
683 |
< |
} |
684 |
< |
} |
685 |
< |
}); |
641 |
> |
public void testHasWaiters() throws InterruptedException { |
642 |
> |
final Mutex sync = new Mutex(); |
643 |
> |
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
644 |
> |
Thread t = new Thread(new CheckedRunnable() { |
645 |
> |
public void realRun() throws InterruptedException { |
646 |
> |
sync.acquire(1); |
647 |
> |
assertFalse(sync.hasWaiters(c)); |
648 |
> |
assertEquals(0, sync.getWaitQueueLength(c)); |
649 |
> |
c.await(); |
650 |
> |
sync.release(1); |
651 |
> |
}}); |
652 |
|
|
653 |
< |
try { |
654 |
< |
t.start(); |
655 |
< |
Thread.sleep(SHORT_DELAY_MS); |
656 |
< |
lock.acquireExclusiveUninterruptibly(1); |
657 |
< |
assertTrue(lock.hasWaiters(c)); |
658 |
< |
assertEquals(1, lock.getWaitQueueLength(c)); |
659 |
< |
c.signal(); |
660 |
< |
lock.releaseExclusive(1); |
661 |
< |
Thread.sleep(SHORT_DELAY_MS); |
662 |
< |
lock.acquireExclusiveUninterruptibly(1); |
663 |
< |
assertFalse(lock.hasWaiters(c)); |
664 |
< |
assertEquals(0, lock.getWaitQueueLength(c)); |
665 |
< |
lock.releaseExclusive(1); |
666 |
< |
t.join(SHORT_DELAY_MS); |
701 |
< |
assertFalse(t.isAlive()); |
702 |
< |
} |
703 |
< |
catch (Exception ex) { |
704 |
< |
unexpectedException(); |
705 |
< |
} |
653 |
> |
t.start(); |
654 |
> |
Thread.sleep(SHORT_DELAY_MS); |
655 |
> |
sync.acquire(1); |
656 |
> |
assertTrue(sync.hasWaiters(c)); |
657 |
> |
assertEquals(1, sync.getWaitQueueLength(c)); |
658 |
> |
c.signal(); |
659 |
> |
sync.release(1); |
660 |
> |
Thread.sleep(SHORT_DELAY_MS); |
661 |
> |
sync.acquire(1); |
662 |
> |
assertFalse(sync.hasWaiters(c)); |
663 |
> |
assertEquals(0, sync.getWaitQueueLength(c)); |
664 |
> |
sync.release(1); |
665 |
> |
t.join(SHORT_DELAY_MS); |
666 |
> |
assertFalse(t.isAlive()); |
667 |
|
} |
668 |
|
|
669 |
|
/** |
670 |
|
* getWaitQueueLength returns number of waiting threads |
671 |
|
*/ |
672 |
< |
public void testGetWaitQueueLength() { |
673 |
< |
final Mutex lock = new Mutex(); |
674 |
< |
final AbstractQueuedSynchronizer.ConditionObject c = lock.newCondition(); |
675 |
< |
Thread t1 = new Thread(new Runnable() { |
676 |
< |
public void run() { |
677 |
< |
try { |
678 |
< |
lock.acquireExclusiveUninterruptibly(1); |
679 |
< |
threadAssertFalse(lock.hasWaiters(c)); |
680 |
< |
threadAssertEquals(0, lock.getWaitQueueLength(c)); |
681 |
< |
c.await(); |
682 |
< |
lock.releaseExclusive(1); |
683 |
< |
} |
684 |
< |
catch(InterruptedException e) { |
685 |
< |
threadUnexpectedException(); |
686 |
< |
} |
687 |
< |
} |
688 |
< |
}); |
689 |
< |
|
690 |
< |
Thread t2 = new Thread(new Runnable() { |
691 |
< |
public void run() { |
692 |
< |
try { |
693 |
< |
lock.acquireExclusiveUninterruptibly(1); |
694 |
< |
threadAssertTrue(lock.hasWaiters(c)); |
695 |
< |
threadAssertEquals(1, lock.getWaitQueueLength(c)); |
696 |
< |
c.await(); |
697 |
< |
lock.releaseExclusive(1); |
698 |
< |
} |
699 |
< |
catch(InterruptedException e) { |
700 |
< |
threadUnexpectedException(); |
701 |
< |
} |
702 |
< |
} |
703 |
< |
}); |
704 |
< |
|
705 |
< |
try { |
706 |
< |
t1.start(); |
707 |
< |
Thread.sleep(SHORT_DELAY_MS); |
708 |
< |
t2.start(); |
709 |
< |
Thread.sleep(SHORT_DELAY_MS); |
710 |
< |
lock.acquireExclusiveUninterruptibly(1); |
750 |
< |
assertTrue(lock.hasWaiters(c)); |
751 |
< |
assertEquals(2, lock.getWaitQueueLength(c)); |
752 |
< |
c.signalAll(); |
753 |
< |
lock.releaseExclusive(1); |
754 |
< |
Thread.sleep(SHORT_DELAY_MS); |
755 |
< |
lock.acquireExclusiveUninterruptibly(1); |
756 |
< |
assertFalse(lock.hasWaiters(c)); |
757 |
< |
assertEquals(0, lock.getWaitQueueLength(c)); |
758 |
< |
lock.releaseExclusive(1); |
759 |
< |
t1.join(SHORT_DELAY_MS); |
760 |
< |
t2.join(SHORT_DELAY_MS); |
761 |
< |
assertFalse(t1.isAlive()); |
762 |
< |
assertFalse(t2.isAlive()); |
763 |
< |
} |
764 |
< |
catch (Exception ex) { |
765 |
< |
unexpectedException(); |
766 |
< |
} |
672 |
> |
public void testGetWaitQueueLength() throws InterruptedException { |
673 |
> |
final Mutex sync = new Mutex(); |
674 |
> |
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
675 |
> |
Thread t1 = new Thread(new CheckedRunnable() { |
676 |
> |
public void realRun() throws InterruptedException { |
677 |
> |
sync.acquire(1); |
678 |
> |
assertFalse(sync.hasWaiters(c)); |
679 |
> |
assertEquals(0, sync.getWaitQueueLength(c)); |
680 |
> |
c.await(); |
681 |
> |
sync.release(1); |
682 |
> |
}}); |
683 |
> |
|
684 |
> |
Thread t2 = new Thread(new CheckedRunnable() { |
685 |
> |
public void realRun() throws InterruptedException { |
686 |
> |
sync.acquire(1); |
687 |
> |
assertTrue(sync.hasWaiters(c)); |
688 |
> |
assertEquals(1, sync.getWaitQueueLength(c)); |
689 |
> |
c.await(); |
690 |
> |
sync.release(1); |
691 |
> |
}}); |
692 |
> |
|
693 |
> |
t1.start(); |
694 |
> |
Thread.sleep(SHORT_DELAY_MS); |
695 |
> |
t2.start(); |
696 |
> |
Thread.sleep(SHORT_DELAY_MS); |
697 |
> |
sync.acquire(1); |
698 |
> |
assertTrue(sync.hasWaiters(c)); |
699 |
> |
assertEquals(2, sync.getWaitQueueLength(c)); |
700 |
> |
c.signalAll(); |
701 |
> |
sync.release(1); |
702 |
> |
Thread.sleep(SHORT_DELAY_MS); |
703 |
> |
sync.acquire(1); |
704 |
> |
assertFalse(sync.hasWaiters(c)); |
705 |
> |
assertEquals(0, sync.getWaitQueueLength(c)); |
706 |
> |
sync.release(1); |
707 |
> |
t1.join(SHORT_DELAY_MS); |
708 |
> |
t2.join(SHORT_DELAY_MS); |
709 |
> |
assertFalse(t1.isAlive()); |
710 |
> |
assertFalse(t2.isAlive()); |
711 |
|
} |
712 |
|
|
713 |
|
/** |
714 |
|
* getWaitingThreads returns only and all waiting threads |
715 |
|
*/ |
716 |
< |
public void testGetWaitingThreads() { |
717 |
< |
final Mutex lock = new Mutex(); |
718 |
< |
final AbstractQueuedSynchronizer.ConditionObject c = lock.newCondition(); |
719 |
< |
Thread t1 = new Thread(new Runnable() { |
720 |
< |
public void run() { |
721 |
< |
try { |
722 |
< |
lock.acquireExclusiveUninterruptibly(1); |
723 |
< |
threadAssertTrue(lock.getWaitingThreads(c).isEmpty()); |
724 |
< |
c.await(); |
725 |
< |
lock.releaseExclusive(1); |
726 |
< |
} |
727 |
< |
catch(InterruptedException e) { |
728 |
< |
threadUnexpectedException(); |
729 |
< |
} |
730 |
< |
} |
731 |
< |
}); |
732 |
< |
|
733 |
< |
Thread t2 = new Thread(new Runnable() { |
734 |
< |
public void run() { |
735 |
< |
try { |
736 |
< |
lock.acquireExclusiveUninterruptibly(1); |
737 |
< |
threadAssertFalse(lock.getWaitingThreads(c).isEmpty()); |
738 |
< |
c.await(); |
739 |
< |
lock.releaseExclusive(1); |
740 |
< |
} |
741 |
< |
catch(InterruptedException e) { |
742 |
< |
threadUnexpectedException(); |
743 |
< |
} |
744 |
< |
} |
745 |
< |
}); |
746 |
< |
|
747 |
< |
try { |
748 |
< |
lock.acquireExclusiveUninterruptibly(1); |
749 |
< |
assertTrue(lock.getWaitingThreads(c).isEmpty()); |
750 |
< |
lock.releaseExclusive(1); |
751 |
< |
t1.start(); |
752 |
< |
Thread.sleep(SHORT_DELAY_MS); |
753 |
< |
t2.start(); |
754 |
< |
Thread.sleep(SHORT_DELAY_MS); |
755 |
< |
lock.acquireExclusiveUninterruptibly(1); |
756 |
< |
assertTrue(lock.hasWaiters(c)); |
813 |
< |
assertTrue(lock.getWaitingThreads(c).contains(t1)); |
814 |
< |
assertTrue(lock.getWaitingThreads(c).contains(t2)); |
815 |
< |
c.signalAll(); |
816 |
< |
lock.releaseExclusive(1); |
817 |
< |
Thread.sleep(SHORT_DELAY_MS); |
818 |
< |
lock.acquireExclusiveUninterruptibly(1); |
819 |
< |
assertFalse(lock.hasWaiters(c)); |
820 |
< |
assertTrue(lock.getWaitingThreads(c).isEmpty()); |
821 |
< |
lock.releaseExclusive(1); |
822 |
< |
t1.join(SHORT_DELAY_MS); |
823 |
< |
t2.join(SHORT_DELAY_MS); |
824 |
< |
assertFalse(t1.isAlive()); |
825 |
< |
assertFalse(t2.isAlive()); |
826 |
< |
} |
827 |
< |
catch (Exception ex) { |
828 |
< |
unexpectedException(); |
829 |
< |
} |
716 |
> |
public void testGetWaitingThreads() throws InterruptedException { |
717 |
> |
final Mutex sync = new Mutex(); |
718 |
> |
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
719 |
> |
Thread t1 = new Thread(new CheckedRunnable() { |
720 |
> |
public void realRun() throws InterruptedException { |
721 |
> |
sync.acquire(1); |
722 |
> |
assertTrue(sync.getWaitingThreads(c).isEmpty()); |
723 |
> |
c.await(); |
724 |
> |
sync.release(1); |
725 |
> |
}}); |
726 |
> |
|
727 |
> |
Thread t2 = new Thread(new CheckedRunnable() { |
728 |
> |
public void realRun() throws InterruptedException { |
729 |
> |
sync.acquire(1); |
730 |
> |
assertFalse(sync.getWaitingThreads(c).isEmpty()); |
731 |
> |
c.await(); |
732 |
> |
sync.release(1); |
733 |
> |
}}); |
734 |
> |
|
735 |
> |
sync.acquire(1); |
736 |
> |
assertTrue(sync.getWaitingThreads(c).isEmpty()); |
737 |
> |
sync.release(1); |
738 |
> |
t1.start(); |
739 |
> |
Thread.sleep(SHORT_DELAY_MS); |
740 |
> |
t2.start(); |
741 |
> |
Thread.sleep(SHORT_DELAY_MS); |
742 |
> |
sync.acquire(1); |
743 |
> |
assertTrue(sync.hasWaiters(c)); |
744 |
> |
assertTrue(sync.getWaitingThreads(c).contains(t1)); |
745 |
> |
assertTrue(sync.getWaitingThreads(c).contains(t2)); |
746 |
> |
c.signalAll(); |
747 |
> |
sync.release(1); |
748 |
> |
Thread.sleep(SHORT_DELAY_MS); |
749 |
> |
sync.acquire(1); |
750 |
> |
assertFalse(sync.hasWaiters(c)); |
751 |
> |
assertTrue(sync.getWaitingThreads(c).isEmpty()); |
752 |
> |
sync.release(1); |
753 |
> |
t1.join(SHORT_DELAY_MS); |
754 |
> |
t2.join(SHORT_DELAY_MS); |
755 |
> |
assertFalse(t1.isAlive()); |
756 |
> |
assertFalse(t2.isAlive()); |
757 |
|
} |
758 |
|
|
759 |
|
|
761 |
|
/** |
762 |
|
* awaitUninterruptibly doesn't abort on interrupt |
763 |
|
*/ |
764 |
< |
public void testAwaitUninterruptibly() { |
765 |
< |
final Mutex lock = new Mutex(); |
766 |
< |
final AbstractQueuedSynchronizer.ConditionObject c = lock.newCondition(); |
767 |
< |
Thread t = new Thread(new Runnable() { |
768 |
< |
public void run() { |
769 |
< |
lock.acquireExclusiveUninterruptibly(1); |
770 |
< |
c.awaitUninterruptibly(); |
771 |
< |
lock.releaseExclusive(1); |
772 |
< |
} |
846 |
< |
}); |
764 |
> |
public void testAwaitUninterruptibly() throws InterruptedException { |
765 |
> |
final Mutex sync = new Mutex(); |
766 |
> |
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
767 |
> |
Thread t = new Thread(new CheckedRunnable() { |
768 |
> |
public void realRun() { |
769 |
> |
sync.acquire(1); |
770 |
> |
c.awaitUninterruptibly(); |
771 |
> |
sync.release(1); |
772 |
> |
}}); |
773 |
|
|
774 |
< |
try { |
775 |
< |
t.start(); |
776 |
< |
Thread.sleep(SHORT_DELAY_MS); |
777 |
< |
t.interrupt(); |
778 |
< |
lock.acquireExclusiveUninterruptibly(1); |
779 |
< |
c.signal(); |
780 |
< |
lock.releaseExclusive(1); |
781 |
< |
assert(t.isInterrupted()); |
856 |
< |
t.join(SHORT_DELAY_MS); |
857 |
< |
assertFalse(t.isAlive()); |
858 |
< |
} |
859 |
< |
catch (Exception ex) { |
860 |
< |
unexpectedException(); |
861 |
< |
} |
774 |
> |
t.start(); |
775 |
> |
Thread.sleep(SHORT_DELAY_MS); |
776 |
> |
t.interrupt(); |
777 |
> |
sync.acquire(1); |
778 |
> |
c.signal(); |
779 |
> |
sync.release(1); |
780 |
> |
t.join(SHORT_DELAY_MS); |
781 |
> |
assertFalse(t.isAlive()); |
782 |
|
} |
783 |
|
|
784 |
|
/** |
785 |
|
* await is interruptible |
786 |
|
*/ |
787 |
< |
public void testAwait_Interrupt() { |
788 |
< |
final Mutex lock = new Mutex(); |
789 |
< |
final AbstractQueuedSynchronizer.ConditionObject c = lock.newCondition(); |
790 |
< |
Thread t = new Thread(new Runnable() { |
791 |
< |
public void run() { |
792 |
< |
try { |
793 |
< |
lock.acquireExclusiveUninterruptibly(1); |
794 |
< |
c.await(); |
875 |
< |
lock.releaseExclusive(1); |
876 |
< |
threadShouldThrow(); |
877 |
< |
} |
878 |
< |
catch(InterruptedException success) { |
879 |
< |
} |
880 |
< |
} |
881 |
< |
}); |
787 |
> |
public void testAwait_Interrupt() throws InterruptedException { |
788 |
> |
final Mutex sync = new Mutex(); |
789 |
> |
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
790 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
791 |
> |
public void realRun() throws InterruptedException { |
792 |
> |
sync.acquire(1); |
793 |
> |
c.await(); |
794 |
> |
}}); |
795 |
|
|
796 |
< |
try { |
797 |
< |
t.start(); |
798 |
< |
Thread.sleep(SHORT_DELAY_MS); |
799 |
< |
t.interrupt(); |
800 |
< |
t.join(SHORT_DELAY_MS); |
888 |
< |
assertFalse(t.isAlive()); |
889 |
< |
} |
890 |
< |
catch (Exception ex) { |
891 |
< |
unexpectedException(); |
892 |
< |
} |
796 |
> |
t.start(); |
797 |
> |
Thread.sleep(SHORT_DELAY_MS); |
798 |
> |
t.interrupt(); |
799 |
> |
t.join(SHORT_DELAY_MS); |
800 |
> |
assertFalse(t.isAlive()); |
801 |
|
} |
802 |
|
|
803 |
|
/** |
804 |
|
* awaitNanos is interruptible |
805 |
|
*/ |
806 |
< |
public void testAwaitNanos_Interrupt() { |
807 |
< |
final Mutex lock = new Mutex(); |
808 |
< |
final AbstractQueuedSynchronizer.ConditionObject c = lock.newCondition(); |
809 |
< |
Thread t = new Thread(new Runnable() { |
810 |
< |
public void run() { |
811 |
< |
try { |
812 |
< |
lock.acquireExclusiveUninterruptibly(1); |
813 |
< |
c.awaitNanos(1000 * 1000 * 1000); // 1 sec |
906 |
< |
lock.releaseExclusive(1); |
907 |
< |
threadShouldThrow(); |
908 |
< |
} |
909 |
< |
catch(InterruptedException success) { |
910 |
< |
} |
911 |
< |
} |
912 |
< |
}); |
806 |
> |
public void testAwaitNanos_Interrupt() throws InterruptedException { |
807 |
> |
final Mutex sync = new Mutex(); |
808 |
> |
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
809 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
810 |
> |
public void realRun() throws InterruptedException { |
811 |
> |
sync.acquire(1); |
812 |
> |
c.awaitNanos(MILLISECONDS.toNanos(LONG_DELAY_MS)); |
813 |
> |
}}); |
814 |
|
|
815 |
< |
try { |
816 |
< |
t.start(); |
817 |
< |
Thread.sleep(SHORT_DELAY_MS); |
818 |
< |
t.interrupt(); |
819 |
< |
t.join(SHORT_DELAY_MS); |
919 |
< |
assertFalse(t.isAlive()); |
920 |
< |
} |
921 |
< |
catch (Exception ex) { |
922 |
< |
unexpectedException(); |
923 |
< |
} |
815 |
> |
t.start(); |
816 |
> |
Thread.sleep(SHORT_DELAY_MS); |
817 |
> |
t.interrupt(); |
818 |
> |
t.join(SHORT_DELAY_MS); |
819 |
> |
assertFalse(t.isAlive()); |
820 |
|
} |
821 |
|
|
822 |
|
/** |
823 |
|
* awaitUntil is interruptible |
824 |
|
*/ |
825 |
< |
public void testAwaitUntil_Interrupt() { |
826 |
< |
final Mutex lock = new Mutex(); |
827 |
< |
final AbstractQueuedSynchronizer.ConditionObject c = lock.newCondition(); |
828 |
< |
Thread t = new Thread(new Runnable() { |
829 |
< |
public void run() { |
830 |
< |
try { |
831 |
< |
lock.acquireExclusiveUninterruptibly(1); |
832 |
< |
java.util.Date d = new java.util.Date(); |
833 |
< |
c.awaitUntil(new java.util.Date(d.getTime() + 10000)); |
938 |
< |
lock.releaseExclusive(1); |
939 |
< |
threadShouldThrow(); |
940 |
< |
} |
941 |
< |
catch(InterruptedException success) { |
942 |
< |
} |
943 |
< |
} |
944 |
< |
}); |
825 |
> |
public void testAwaitUntil_Interrupt() throws InterruptedException { |
826 |
> |
final Mutex sync = new Mutex(); |
827 |
> |
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
828 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
829 |
> |
public void realRun() throws InterruptedException { |
830 |
> |
sync.acquire(1); |
831 |
> |
java.util.Date d = new java.util.Date(); |
832 |
> |
c.awaitUntil(new java.util.Date(d.getTime() + 10000)); |
833 |
> |
}}); |
834 |
|
|
835 |
< |
try { |
836 |
< |
t.start(); |
837 |
< |
Thread.sleep(SHORT_DELAY_MS); |
838 |
< |
t.interrupt(); |
839 |
< |
t.join(SHORT_DELAY_MS); |
951 |
< |
assertFalse(t.isAlive()); |
952 |
< |
} |
953 |
< |
catch (Exception ex) { |
954 |
< |
unexpectedException(); |
955 |
< |
} |
835 |
> |
t.start(); |
836 |
> |
Thread.sleep(SHORT_DELAY_MS); |
837 |
> |
t.interrupt(); |
838 |
> |
t.join(SHORT_DELAY_MS); |
839 |
> |
assertFalse(t.isAlive()); |
840 |
|
} |
841 |
|
|
842 |
|
/** |
843 |
|
* signalAll wakes up all threads |
844 |
|
*/ |
845 |
< |
public void testSignalAll() { |
846 |
< |
final Mutex lock = new Mutex(); |
847 |
< |
final AbstractQueuedSynchronizer.ConditionObject c = lock.newCondition(); |
848 |
< |
Thread t1 = new Thread(new Runnable() { |
849 |
< |
public void run() { |
850 |
< |
try { |
851 |
< |
lock.acquireExclusiveUninterruptibly(1); |
852 |
< |
c.await(); |
853 |
< |
lock.releaseExclusive(1); |
854 |
< |
} |
855 |
< |
catch(InterruptedException e) { |
856 |
< |
threadUnexpectedException(); |
857 |
< |
} |
858 |
< |
} |
859 |
< |
}); |
860 |
< |
|
861 |
< |
Thread t2 = new Thread(new Runnable() { |
862 |
< |
public void run() { |
863 |
< |
try { |
864 |
< |
lock.acquireExclusiveUninterruptibly(1); |
865 |
< |
c.await(); |
866 |
< |
lock.releaseExclusive(1); |
867 |
< |
} |
868 |
< |
catch(InterruptedException e) { |
869 |
< |
threadUnexpectedException(); |
870 |
< |
} |
871 |
< |
} |
988 |
< |
}); |
989 |
< |
|
990 |
< |
try { |
991 |
< |
t1.start(); |
992 |
< |
t2.start(); |
993 |
< |
Thread.sleep(SHORT_DELAY_MS); |
994 |
< |
lock.acquireExclusiveUninterruptibly(1); |
995 |
< |
c.signalAll(); |
996 |
< |
lock.releaseExclusive(1); |
997 |
< |
t1.join(SHORT_DELAY_MS); |
998 |
< |
t2.join(SHORT_DELAY_MS); |
999 |
< |
assertFalse(t1.isAlive()); |
1000 |
< |
assertFalse(t2.isAlive()); |
1001 |
< |
} |
1002 |
< |
catch (Exception ex) { |
1003 |
< |
unexpectedException(); |
1004 |
< |
} |
845 |
> |
public void testSignalAll() throws InterruptedException { |
846 |
> |
final Mutex sync = new Mutex(); |
847 |
> |
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
848 |
> |
Thread t1 = new Thread(new CheckedRunnable() { |
849 |
> |
public void realRun() throws InterruptedException { |
850 |
> |
sync.acquire(1); |
851 |
> |
c.await(); |
852 |
> |
sync.release(1); |
853 |
> |
}}); |
854 |
> |
|
855 |
> |
Thread t2 = new Thread(new CheckedRunnable() { |
856 |
> |
public void realRun() throws InterruptedException { |
857 |
> |
sync.acquire(1); |
858 |
> |
c.await(); |
859 |
> |
sync.release(1); |
860 |
> |
}}); |
861 |
> |
|
862 |
> |
t1.start(); |
863 |
> |
t2.start(); |
864 |
> |
Thread.sleep(SHORT_DELAY_MS); |
865 |
> |
sync.acquire(1); |
866 |
> |
c.signalAll(); |
867 |
> |
sync.release(1); |
868 |
> |
t1.join(SHORT_DELAY_MS); |
869 |
> |
t2.join(SHORT_DELAY_MS); |
870 |
> |
assertFalse(t1.isAlive()); |
871 |
> |
assertFalse(t2.isAlive()); |
872 |
|
} |
873 |
|
|
874 |
|
|
876 |
|
* toString indicates current state |
877 |
|
*/ |
878 |
|
public void testToString() { |
879 |
< |
Mutex lock = new Mutex(); |
880 |
< |
String us = lock.toString(); |
879 |
> |
Mutex sync = new Mutex(); |
880 |
> |
String us = sync.toString(); |
881 |
|
assertTrue(us.indexOf("State = 0") >= 0); |
882 |
< |
lock.acquireExclusiveUninterruptibly(1); |
883 |
< |
String ls = lock.toString(); |
882 |
> |
sync.acquire(1); |
883 |
> |
String ls = sync.toString(); |
884 |
|
assertTrue(ls.indexOf("State = 1") >= 0); |
885 |
|
} |
886 |
|
|
887 |
|
/** |
888 |
|
* A serialized AQS deserializes with current state |
889 |
|
*/ |
890 |
< |
public void testSerialization() { |
890 |
> |
public void testSerialization() throws Exception { |
891 |
|
Mutex l = new Mutex(); |
892 |
< |
l.acquireExclusiveUninterruptibly(1); |
893 |
< |
assertTrue(l.isLocked()); |
892 |
> |
l.acquire(1); |
893 |
> |
assertTrue(l.isHeldExclusively()); |
894 |
|
|
895 |
< |
try { |
896 |
< |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
897 |
< |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
898 |
< |
out.writeObject(l); |
899 |
< |
out.close(); |
900 |
< |
|
901 |
< |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
902 |
< |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
903 |
< |
Mutex r = (Mutex) in.readObject(); |
1037 |
< |
assertTrue(r.isLocked()); |
1038 |
< |
} catch(Exception e){ |
1039 |
< |
e.printStackTrace(); |
1040 |
< |
unexpectedException(); |
1041 |
< |
} |
895 |
> |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
896 |
> |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
897 |
> |
out.writeObject(l); |
898 |
> |
out.close(); |
899 |
> |
|
900 |
> |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
901 |
> |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
902 |
> |
Mutex r = (Mutex) in.readObject(); |
903 |
> |
assertTrue(r.isHeldExclusively()); |
904 |
|
} |
905 |
|
|
906 |
|
|
908 |
|
* tryReleaseShared setting state changes getState |
909 |
|
*/ |
910 |
|
public void testGetStateWithReleaseShared() { |
911 |
< |
final BooleanLatch l = new BooleanLatch(); |
912 |
< |
assertFalse(l.isSignalled()); |
913 |
< |
l.releaseShared(0); |
914 |
< |
assertTrue(l.isSignalled()); |
911 |
> |
final BooleanLatch l = new BooleanLatch(); |
912 |
> |
assertFalse(l.isSignalled()); |
913 |
> |
l.releaseShared(0); |
914 |
> |
assertTrue(l.isSignalled()); |
915 |
|
} |
916 |
|
|
917 |
|
/** |
918 |
< |
* release and has no effect when already signalled |
918 |
> |
* releaseShared has no effect when already signalled |
919 |
|
*/ |
920 |
|
public void testReleaseShared() { |
921 |
< |
final BooleanLatch l = new BooleanLatch(); |
922 |
< |
assertFalse(l.isSignalled()); |
923 |
< |
l.releaseShared(0); |
924 |
< |
assertTrue(l.isSignalled()); |
925 |
< |
l.releaseShared(0); |
926 |
< |
assertTrue(l.isSignalled()); |
921 |
> |
final BooleanLatch l = new BooleanLatch(); |
922 |
> |
assertFalse(l.isSignalled()); |
923 |
> |
l.releaseShared(0); |
924 |
> |
assertTrue(l.isSignalled()); |
925 |
> |
l.releaseShared(0); |
926 |
> |
assertTrue(l.isSignalled()); |
927 |
|
} |
928 |
|
|
929 |
|
/** |
930 |
|
* acquireSharedInterruptibly returns after release, but not before |
931 |
|
*/ |
932 |
< |
public void testAcquireSharedInterruptibly() { |
933 |
< |
final BooleanLatch l = new BooleanLatch(); |
932 |
> |
public void testAcquireSharedInterruptibly() throws InterruptedException { |
933 |
> |
final BooleanLatch l = new BooleanLatch(); |
934 |
|
|
935 |
< |
Thread t = new Thread(new Runnable() { |
936 |
< |
public void run() { |
937 |
< |
try { |
938 |
< |
threadAssertFalse(l.isSignalled()); |
939 |
< |
l.acquireSharedInterruptibly(0); |
940 |
< |
threadAssertTrue(l.isSignalled()); |
941 |
< |
} catch(InterruptedException e){ |
942 |
< |
threadUnexpectedException(); |
943 |
< |
} |
944 |
< |
} |
945 |
< |
}); |
946 |
< |
try { |
947 |
< |
t.start(); |
1086 |
< |
assertFalse(l.isSignalled()); |
1087 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1088 |
< |
l.releaseShared(0); |
1089 |
< |
assertTrue(l.isSignalled()); |
1090 |
< |
t.join(); |
1091 |
< |
} catch (InterruptedException e){ |
1092 |
< |
unexpectedException(); |
1093 |
< |
} |
935 |
> |
Thread t = new Thread(new CheckedRunnable() { |
936 |
> |
public void realRun() throws InterruptedException { |
937 |
> |
assertFalse(l.isSignalled()); |
938 |
> |
l.acquireSharedInterruptibly(0); |
939 |
> |
assertTrue(l.isSignalled()); |
940 |
> |
}}); |
941 |
> |
|
942 |
> |
t.start(); |
943 |
> |
assertFalse(l.isSignalled()); |
944 |
> |
Thread.sleep(SHORT_DELAY_MS); |
945 |
> |
l.releaseShared(0); |
946 |
> |
assertTrue(l.isSignalled()); |
947 |
> |
t.join(); |
948 |
|
} |
949 |
< |
|
949 |
> |
|
950 |
|
|
951 |
|
/** |
952 |
|
* acquireSharedTimed returns after release |
953 |
|
*/ |
954 |
< |
public void testAsquireSharedTimed() { |
955 |
< |
final BooleanLatch l = new BooleanLatch(); |
954 |
> |
public void testAcquireSharedTimed() throws InterruptedException { |
955 |
> |
final BooleanLatch l = new BooleanLatch(); |
956 |
|
|
957 |
< |
Thread t = new Thread(new Runnable() { |
958 |
< |
public void run() { |
959 |
< |
try { |
960 |
< |
threadAssertFalse(l.isSignalled()); |
961 |
< |
threadAssertTrue(l.acquireSharedNanos(0, MEDIUM_DELAY_MS* 1000 * 1000)); |
962 |
< |
threadAssertTrue(l.isSignalled()); |
963 |
< |
|
964 |
< |
} catch(InterruptedException e){ |
965 |
< |
threadUnexpectedException(); |
966 |
< |
} |
967 |
< |
} |
968 |
< |
}); |
969 |
< |
try { |
970 |
< |
t.start(); |
1117 |
< |
assertFalse(l.isSignalled()); |
1118 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1119 |
< |
l.releaseShared(0); |
1120 |
< |
assertTrue(l.isSignalled()); |
1121 |
< |
t.join(); |
1122 |
< |
} catch (InterruptedException e){ |
1123 |
< |
unexpectedException(); |
1124 |
< |
} |
957 |
> |
Thread t = new Thread(new CheckedRunnable() { |
958 |
> |
public void realRun() throws InterruptedException { |
959 |
> |
assertFalse(l.isSignalled()); |
960 |
> |
long nanos = MILLISECONDS.toNanos(MEDIUM_DELAY_MS); |
961 |
> |
assertTrue(l.tryAcquireSharedNanos(0, nanos)); |
962 |
> |
assertTrue(l.isSignalled()); |
963 |
> |
}}); |
964 |
> |
|
965 |
> |
t.start(); |
966 |
> |
assertFalse(l.isSignalled()); |
967 |
> |
Thread.sleep(SHORT_DELAY_MS); |
968 |
> |
l.releaseShared(0); |
969 |
> |
assertTrue(l.isSignalled()); |
970 |
> |
t.join(); |
971 |
|
} |
972 |
< |
|
972 |
> |
|
973 |
|
/** |
974 |
|
* acquireSharedInterruptibly throws IE if interrupted before released |
975 |
|
*/ |
976 |
< |
public void testAcquireSharedInterruptibly_InterruptedException() { |
976 |
> |
public void testAcquireSharedInterruptibly_InterruptedException() throws InterruptedException { |
977 |
|
final BooleanLatch l = new BooleanLatch(); |
978 |
< |
Thread t = new Thread(new Runnable() { |
979 |
< |
public void run() { |
980 |
< |
try { |
981 |
< |
threadAssertFalse(l.isSignalled()); |
982 |
< |
l.acquireSharedInterruptibly(0); |
983 |
< |
threadShouldThrow(); |
984 |
< |
} catch(InterruptedException success){} |
985 |
< |
} |
986 |
< |
}); |
987 |
< |
t.start(); |
1142 |
< |
try { |
1143 |
< |
assertFalse(l.isSignalled()); |
1144 |
< |
t.interrupt(); |
1145 |
< |
t.join(); |
1146 |
< |
} catch (InterruptedException e){ |
1147 |
< |
unexpectedException(); |
1148 |
< |
} |
978 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
979 |
> |
public void realRun() throws InterruptedException { |
980 |
> |
assertFalse(l.isSignalled()); |
981 |
> |
l.acquireSharedInterruptibly(0); |
982 |
> |
}}); |
983 |
> |
|
984 |
> |
t.start(); |
985 |
> |
assertFalse(l.isSignalled()); |
986 |
> |
t.interrupt(); |
987 |
> |
t.join(); |
988 |
|
} |
989 |
|
|
990 |
|
/** |
991 |
|
* acquireSharedTimed throws IE if interrupted before released |
992 |
|
*/ |
993 |
< |
public void testAcquireSharedNanos_InterruptedException() { |
993 |
> |
public void testAcquireSharedNanos_InterruptedException() throws InterruptedException { |
994 |
|
final BooleanLatch l = new BooleanLatch(); |
995 |
< |
Thread t = new Thread(new Runnable() { |
996 |
< |
public void run() { |
997 |
< |
try { |
998 |
< |
threadAssertFalse(l.isSignalled()); |
999 |
< |
l.acquireSharedNanos(0, SMALL_DELAY_MS* 1000 * 1000); |
1000 |
< |
threadShouldThrow(); |
1001 |
< |
} catch(InterruptedException success){} |
1163 |
< |
} |
1164 |
< |
}); |
995 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
996 |
> |
public void realRun() throws InterruptedException { |
997 |
> |
assertFalse(l.isSignalled()); |
998 |
> |
long nanos = MILLISECONDS.toNanos(SMALL_DELAY_MS); |
999 |
> |
l.tryAcquireSharedNanos(0, nanos); |
1000 |
> |
}}); |
1001 |
> |
|
1002 |
|
t.start(); |
1003 |
< |
try { |
1004 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1005 |
< |
assertFalse(l.isSignalled()); |
1006 |
< |
t.interrupt(); |
1170 |
< |
t.join(); |
1171 |
< |
} catch (InterruptedException e){ |
1172 |
< |
unexpectedException(); |
1173 |
< |
} |
1003 |
> |
Thread.sleep(SHORT_DELAY_MS); |
1004 |
> |
assertFalse(l.isSignalled()); |
1005 |
> |
t.interrupt(); |
1006 |
> |
t.join(); |
1007 |
|
} |
1008 |
|
|
1009 |
|
/** |
1010 |
|
* acquireSharedTimed times out if not released before timeout |
1011 |
|
*/ |
1012 |
< |
public void testAcquireSharedNanos_Timeout() { |
1012 |
> |
public void testAcquireSharedNanos_Timeout() throws InterruptedException { |
1013 |
|
final BooleanLatch l = new BooleanLatch(); |
1014 |
< |
Thread t = new Thread(new Runnable() { |
1015 |
< |
public void run() { |
1016 |
< |
try { |
1017 |
< |
threadAssertFalse(l.isSignalled()); |
1018 |
< |
threadAssertFalse(l.acquireSharedNanos(0, SMALL_DELAY_MS* 1000 * 1000)); |
1019 |
< |
} catch(InterruptedException ie){ |
1020 |
< |
threadUnexpectedException(); |
1188 |
< |
} |
1189 |
< |
} |
1190 |
< |
}); |
1014 |
> |
Thread t = new Thread(new CheckedRunnable() { |
1015 |
> |
public void realRun() throws InterruptedException { |
1016 |
> |
assertFalse(l.isSignalled()); |
1017 |
> |
long nanos = MILLISECONDS.toNanos(SMALL_DELAY_MS); |
1018 |
> |
assertFalse(l.tryAcquireSharedNanos(0, nanos)); |
1019 |
> |
}}); |
1020 |
> |
|
1021 |
|
t.start(); |
1022 |
< |
try { |
1023 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1024 |
< |
assertFalse(l.isSignalled()); |
1195 |
< |
t.join(); |
1196 |
< |
} catch (InterruptedException e){ |
1197 |
< |
unexpectedException(); |
1198 |
< |
} |
1022 |
> |
Thread.sleep(SHORT_DELAY_MS); |
1023 |
> |
assertFalse(l.isSignalled()); |
1024 |
> |
t.join(); |
1025 |
|
} |
1026 |
|
|
1201 |
– |
|
1027 |
|
} |