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dl |
1.1 |
/* |
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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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*/ |
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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 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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} |
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public static Test suite() { |
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return new TestSuite(AbstractQueuedSynchronizerTest.class); |
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} |
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/** |
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dl |
1.12 |
* A simple mutex class, adapted from the |
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* AbstractQueuedSynchronizer javadoc. Exclusive acquire tests |
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* exercise this as a sample user extension. Other |
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* methods/features of AbstractQueuedSynchronizerTest are tested |
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* via other test classes, including those for ReentrantLock, |
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* ReentrantReadWriteLock, and Semaphore |
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*/ |
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static class Mutex extends AbstractQueuedSynchronizer { |
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dl |
1.16 |
public boolean isHeldExclusively() { return getState() == 1; } |
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dl |
1.12 |
|
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dl |
1.16 |
public boolean tryAcquire(int acquires) { |
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dl |
1.12 |
assertTrue(acquires == 1); |
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return compareAndSetState(0, 1); |
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} |
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dl |
1.16 |
public boolean tryRelease(int releases) { |
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if (getState() == 0) throw new IllegalMonitorStateException(); |
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1.12 |
setState(0); |
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return true; |
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} |
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1.15 |
public AbstractQueuedSynchronizer.ConditionObject newCondition() { return new AbstractQueuedSynchronizer.ConditionObject(); } |
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1.12 |
|
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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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public boolean isSignalled() { return getState() != 0; } |
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public int tryAcquireShared(int ignore) { |
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return isSignalled()? 1 : -1; |
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1.1 |
} |
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1.12 |
|
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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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1.1 |
} |
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} |
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/** |
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1.16 |
* A runnable calling acquireInterruptibly |
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1.1 |
*/ |
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1.17 |
class InterruptibleSyncRunnable implements Runnable { |
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final Mutex sync; |
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InterruptibleSyncRunnable(Mutex l) { sync = l; } |
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1.1 |
public void run() { |
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try { |
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1.17 |
sync.acquireInterruptibly(1); |
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1.1 |
} catch(InterruptedException success){} |
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} |
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} |
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/** |
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1.16 |
* A runnable calling acquireInterruptibly that expects to be |
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1.1 |
* interrupted |
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*/ |
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1.17 |
class InterruptedSyncRunnable implements Runnable { |
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final Mutex sync; |
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InterruptedSyncRunnable(Mutex l) { sync = l; } |
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1.1 |
public void run() { |
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try { |
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1.17 |
sync.acquireInterruptibly(1); |
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1.1 |
threadShouldThrow(); |
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} catch(InterruptedException success){} |
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} |
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} |
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1.16 |
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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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1.1 |
|
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/** |
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1.17 |
* acquiring released sync succeeds |
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1.1 |
*/ |
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1.16 |
public void testAcquire() { |
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1.1 |
Mutex rl = new Mutex(); |
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1.16 |
rl.acquire(1); |
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assertTrue(rl.isHeldExclusively()); |
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rl.release(1); |
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1.17 |
assertFalse(rl.isHeldExclusively()); |
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1.1 |
} |
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/** |
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1.17 |
* tryAcquire on an released sync succeeds |
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1.1 |
*/ |
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1.16 |
public void testTryAcquire() { |
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1.1 |
Mutex rl = new Mutex(); |
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1.16 |
assertTrue(rl.tryAcquire(1)); |
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assertTrue(rl.isHeldExclusively()); |
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rl.release(1); |
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1.1 |
} |
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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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dl |
1.17 |
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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1.1 |
try { |
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1.17 |
assertFalse(sync.hasQueuedThreads()); |
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sync.acquire(1); |
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1.1 |
t1.start(); |
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Thread.sleep(SHORT_DELAY_MS); |
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1.17 |
assertTrue(sync.hasQueuedThreads()); |
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1.1 |
t2.start(); |
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Thread.sleep(SHORT_DELAY_MS); |
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1.17 |
assertTrue(sync.hasQueuedThreads()); |
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1.1 |
t1.interrupt(); |
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Thread.sleep(SHORT_DELAY_MS); |
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1.17 |
assertTrue(sync.hasQueuedThreads()); |
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sync.release(1); |
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1.1 |
Thread.sleep(SHORT_DELAY_MS); |
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1.17 |
assertFalse(sync.hasQueuedThreads()); |
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1.10 |
t1.join(); |
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t2.join(); |
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} catch(Exception e){ |
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unexpectedException(); |
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} |
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} |
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/** |
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dl |
1.11 |
* isQueued(null) throws NPE |
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*/ |
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public void testIsQueuedNPE() { |
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dl |
1.17 |
final Mutex sync = new Mutex(); |
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1.11 |
try { |
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1.17 |
sync.isQueued(null); |
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1.11 |
shouldThrow(); |
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} catch (NullPointerException success) { |
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} |
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} |
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/** |
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dl |
1.10 |
* isQueued reports whether a thread is queued. |
168 |
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*/ |
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public void testIsQueued() { |
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dl |
1.17 |
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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try { |
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assertFalse(sync.isQueued(t1)); |
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assertFalse(sync.isQueued(t2)); |
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sync.acquire(1); |
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dl |
1.10 |
t1.start(); |
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Thread.sleep(SHORT_DELAY_MS); |
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dl |
1.17 |
assertTrue(sync.isQueued(t1)); |
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1.10 |
t2.start(); |
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Thread.sleep(SHORT_DELAY_MS); |
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1.17 |
assertTrue(sync.isQueued(t1)); |
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assertTrue(sync.isQueued(t2)); |
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1.10 |
t1.interrupt(); |
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Thread.sleep(SHORT_DELAY_MS); |
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1.17 |
assertFalse(sync.isQueued(t1)); |
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assertTrue(sync.isQueued(t2)); |
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sync.release(1); |
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1.10 |
Thread.sleep(SHORT_DELAY_MS); |
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1.17 |
assertFalse(sync.isQueued(t1)); |
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1.18 |
Thread.sleep(SHORT_DELAY_MS); |
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1.17 |
assertFalse(sync.isQueued(t2)); |
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1.8 |
t1.join(); |
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t2.join(); |
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} catch(Exception e){ |
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unexpectedException(); |
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} |
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} |
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200 |
dl |
1.12 |
/** |
201 |
dl |
1.17 |
* getFirstQueuedThread returns first waiting thread or null if none |
202 |
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1.12 |
*/ |
203 |
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public void testGetFirstQueuedThread() { |
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dl |
1.17 |
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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dl |
1.12 |
try { |
208 |
dl |
1.17 |
assertNull(sync.getFirstQueuedThread()); |
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sync.acquire(1); |
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dl |
1.12 |
t1.start(); |
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Thread.sleep(SHORT_DELAY_MS); |
212 |
dl |
1.17 |
assertEquals(t1, sync.getFirstQueuedThread()); |
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dl |
1.12 |
t2.start(); |
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Thread.sleep(SHORT_DELAY_MS); |
215 |
dl |
1.17 |
assertEquals(t1, sync.getFirstQueuedThread()); |
216 |
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1.12 |
t1.interrupt(); |
217 |
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1.18 |
Thread.sleep(SHORT_DELAY_MS); |
218 |
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1.12 |
Thread.sleep(SHORT_DELAY_MS); |
219 |
dl |
1.17 |
assertEquals(t2, sync.getFirstQueuedThread()); |
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sync.release(1); |
221 |
dl |
1.12 |
Thread.sleep(SHORT_DELAY_MS); |
222 |
dl |
1.17 |
assertNull(sync.getFirstQueuedThread()); |
223 |
dl |
1.12 |
t1.join(); |
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t2.join(); |
225 |
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} catch(Exception e){ |
226 |
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unexpectedException(); |
227 |
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} |
228 |
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} |
229 |
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230 |
dl |
1.8 |
|
231 |
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/** |
232 |
dl |
1.12 |
* hasContended reports false if no thread has ever blocked, else true |
233 |
dl |
1.8 |
*/ |
234 |
dl |
1.12 |
public void testHasContended() { |
235 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
236 |
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Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
237 |
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Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
238 |
dl |
1.8 |
try { |
239 |
dl |
1.17 |
assertFalse(sync.hasContended()); |
240 |
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sync.acquire(1); |
241 |
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t1.start(); |
242 |
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Thread.sleep(SHORT_DELAY_MS); |
243 |
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assertTrue(sync.hasContended()); |
244 |
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t2.start(); |
245 |
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Thread.sleep(SHORT_DELAY_MS); |
246 |
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assertTrue(sync.hasContended()); |
247 |
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t1.interrupt(); |
248 |
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Thread.sleep(SHORT_DELAY_MS); |
249 |
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assertTrue(sync.hasContended()); |
250 |
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sync.release(1); |
251 |
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Thread.sleep(SHORT_DELAY_MS); |
252 |
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assertTrue(sync.hasContended()); |
253 |
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t1.join(); |
254 |
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t2.join(); |
255 |
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} catch(Exception e){ |
256 |
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unexpectedException(); |
257 |
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} |
258 |
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} |
259 |
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260 |
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/** |
261 |
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* getQueuedThreads includes waiting threads |
262 |
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*/ |
263 |
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public void testGetQueuedThreads() { |
264 |
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final Mutex sync = new Mutex(); |
265 |
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Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
266 |
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Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
267 |
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try { |
268 |
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assertTrue(sync.getQueuedThreads().isEmpty()); |
269 |
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sync.acquire(1); |
270 |
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assertTrue(sync.getQueuedThreads().isEmpty()); |
271 |
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t1.start(); |
272 |
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Thread.sleep(SHORT_DELAY_MS); |
273 |
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assertTrue(sync.getQueuedThreads().contains(t1)); |
274 |
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t2.start(); |
275 |
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Thread.sleep(SHORT_DELAY_MS); |
276 |
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assertTrue(sync.getQueuedThreads().contains(t1)); |
277 |
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assertTrue(sync.getQueuedThreads().contains(t2)); |
278 |
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t1.interrupt(); |
279 |
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Thread.sleep(SHORT_DELAY_MS); |
280 |
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assertFalse(sync.getQueuedThreads().contains(t1)); |
281 |
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assertTrue(sync.getQueuedThreads().contains(t2)); |
282 |
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sync.release(1); |
283 |
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Thread.sleep(SHORT_DELAY_MS); |
284 |
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assertTrue(sync.getQueuedThreads().isEmpty()); |
285 |
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t1.join(); |
286 |
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t2.join(); |
287 |
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} catch(Exception e){ |
288 |
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unexpectedException(); |
289 |
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} |
290 |
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} |
291 |
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292 |
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/** |
293 |
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* getExclusiveQueuedThreads includes waiting threads |
294 |
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*/ |
295 |
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public void testGetExclusiveQueuedThreads() { |
296 |
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final Mutex sync = new Mutex(); |
297 |
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Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
298 |
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Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
299 |
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try { |
300 |
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assertTrue(sync.getExclusiveQueuedThreads().isEmpty()); |
301 |
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sync.acquire(1); |
302 |
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assertTrue(sync.getExclusiveQueuedThreads().isEmpty()); |
303 |
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t1.start(); |
304 |
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Thread.sleep(SHORT_DELAY_MS); |
305 |
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assertTrue(sync.getExclusiveQueuedThreads().contains(t1)); |
306 |
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t2.start(); |
307 |
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Thread.sleep(SHORT_DELAY_MS); |
308 |
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assertTrue(sync.getExclusiveQueuedThreads().contains(t1)); |
309 |
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assertTrue(sync.getExclusiveQueuedThreads().contains(t2)); |
310 |
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t1.interrupt(); |
311 |
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Thread.sleep(SHORT_DELAY_MS); |
312 |
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assertFalse(sync.getExclusiveQueuedThreads().contains(t1)); |
313 |
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assertTrue(sync.getExclusiveQueuedThreads().contains(t2)); |
314 |
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sync.release(1); |
315 |
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Thread.sleep(SHORT_DELAY_MS); |
316 |
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assertTrue(sync.getExclusiveQueuedThreads().isEmpty()); |
317 |
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t1.join(); |
318 |
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t2.join(); |
319 |
|
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} catch(Exception e){ |
320 |
|
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unexpectedException(); |
321 |
|
|
} |
322 |
|
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} |
323 |
|
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|
324 |
|
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/** |
325 |
|
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* getSharedQueuedThreads does not include exclusively waiting threads |
326 |
|
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*/ |
327 |
|
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public void testGetSharedQueuedThreads() { |
328 |
|
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final Mutex sync = new Mutex(); |
329 |
|
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Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
330 |
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Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
331 |
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try { |
332 |
|
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assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
333 |
|
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sync.acquire(1); |
334 |
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assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
335 |
dl |
1.8 |
t1.start(); |
336 |
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Thread.sleep(SHORT_DELAY_MS); |
337 |
dl |
1.17 |
assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
338 |
dl |
1.8 |
t2.start(); |
339 |
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Thread.sleep(SHORT_DELAY_MS); |
340 |
dl |
1.17 |
assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
341 |
dl |
1.8 |
t1.interrupt(); |
342 |
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Thread.sleep(SHORT_DELAY_MS); |
343 |
dl |
1.17 |
assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
344 |
|
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sync.release(1); |
345 |
dl |
1.8 |
Thread.sleep(SHORT_DELAY_MS); |
346 |
dl |
1.17 |
assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
347 |
dl |
1.1 |
t1.join(); |
348 |
|
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t2.join(); |
349 |
|
|
} catch(Exception e){ |
350 |
|
|
unexpectedException(); |
351 |
|
|
} |
352 |
|
|
} |
353 |
|
|
|
354 |
|
|
/** |
355 |
dl |
1.16 |
* tryAcquireNanos is interruptible. |
356 |
dl |
1.1 |
*/ |
357 |
|
|
public void testInterruptedException2() { |
358 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
359 |
|
|
sync.acquire(1); |
360 |
dl |
1.1 |
Thread t = new Thread(new Runnable() { |
361 |
|
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public void run() { |
362 |
|
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try { |
363 |
dl |
1.17 |
sync.tryAcquireNanos(1, MEDIUM_DELAY_MS * 1000 * 1000); |
364 |
dl |
1.1 |
threadShouldThrow(); |
365 |
|
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} catch(InterruptedException success){} |
366 |
|
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} |
367 |
|
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}); |
368 |
|
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try { |
369 |
|
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t.start(); |
370 |
|
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t.interrupt(); |
371 |
|
|
} catch(Exception e){ |
372 |
|
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unexpectedException(); |
373 |
|
|
} |
374 |
|
|
} |
375 |
|
|
|
376 |
|
|
|
377 |
|
|
/** |
378 |
dl |
1.17 |
* TryAcquire on exclusively held sync fails |
379 |
dl |
1.1 |
*/ |
380 |
dl |
1.17 |
public void testTryAcquireWhenSynced() { |
381 |
|
|
final Mutex sync = new Mutex(); |
382 |
|
|
sync.acquire(1); |
383 |
dl |
1.1 |
Thread t = new Thread(new Runnable() { |
384 |
|
|
public void run() { |
385 |
dl |
1.17 |
threadAssertFalse(sync.tryAcquire(1)); |
386 |
dl |
1.1 |
} |
387 |
|
|
}); |
388 |
|
|
try { |
389 |
|
|
t.start(); |
390 |
|
|
t.join(); |
391 |
dl |
1.17 |
sync.release(1); |
392 |
dl |
1.1 |
} catch(Exception e){ |
393 |
|
|
unexpectedException(); |
394 |
|
|
} |
395 |
|
|
} |
396 |
|
|
|
397 |
|
|
/** |
398 |
dl |
1.17 |
* tryAcquireNanos on an exclusively held sync times out |
399 |
dl |
1.1 |
*/ |
400 |
dl |
1.16 |
public void testAcquireNanos_Timeout() { |
401 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
402 |
|
|
sync.acquire(1); |
403 |
dl |
1.1 |
Thread t = new Thread(new Runnable() { |
404 |
|
|
public void run() { |
405 |
|
|
try { |
406 |
dl |
1.17 |
threadAssertFalse(sync.tryAcquireNanos(1, 1000 * 1000)); |
407 |
dl |
1.1 |
} catch (Exception ex) { |
408 |
|
|
threadUnexpectedException(); |
409 |
|
|
} |
410 |
|
|
} |
411 |
|
|
}); |
412 |
|
|
try { |
413 |
|
|
t.start(); |
414 |
|
|
t.join(); |
415 |
dl |
1.17 |
sync.release(1); |
416 |
dl |
1.1 |
} catch(Exception e){ |
417 |
|
|
unexpectedException(); |
418 |
|
|
} |
419 |
|
|
} |
420 |
|
|
|
421 |
|
|
|
422 |
|
|
/** |
423 |
dl |
1.13 |
* getState is true when acquired and false when not |
424 |
dl |
1.1 |
*/ |
425 |
dl |
1.13 |
public void testGetState() { |
426 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
427 |
|
|
sync.acquire(1); |
428 |
|
|
assertTrue(sync.isHeldExclusively()); |
429 |
|
|
sync.release(1); |
430 |
|
|
assertFalse(sync.isHeldExclusively()); |
431 |
dl |
1.1 |
Thread t = new Thread(new Runnable() { |
432 |
|
|
public void run() { |
433 |
dl |
1.17 |
sync.acquire(1); |
434 |
dl |
1.1 |
try { |
435 |
|
|
Thread.sleep(SMALL_DELAY_MS); |
436 |
|
|
} |
437 |
|
|
catch(Exception e) { |
438 |
|
|
threadUnexpectedException(); |
439 |
|
|
} |
440 |
dl |
1.17 |
sync.release(1); |
441 |
dl |
1.1 |
} |
442 |
|
|
}); |
443 |
|
|
try { |
444 |
|
|
t.start(); |
445 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
446 |
dl |
1.17 |
assertTrue(sync.isHeldExclusively()); |
447 |
dl |
1.1 |
t.join(); |
448 |
dl |
1.17 |
assertFalse(sync.isHeldExclusively()); |
449 |
dl |
1.1 |
} catch(Exception e){ |
450 |
|
|
unexpectedException(); |
451 |
|
|
} |
452 |
|
|
} |
453 |
|
|
|
454 |
|
|
|
455 |
|
|
/** |
456 |
dl |
1.16 |
* acquireInterruptibly is interruptible. |
457 |
dl |
1.1 |
*/ |
458 |
dl |
1.12 |
public void testAcquireInterruptibly1() { |
459 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
460 |
|
|
sync.acquire(1); |
461 |
|
|
Thread t = new Thread(new InterruptedSyncRunnable(sync)); |
462 |
dl |
1.1 |
try { |
463 |
|
|
t.start(); |
464 |
|
|
t.interrupt(); |
465 |
dl |
1.17 |
sync.release(1); |
466 |
dl |
1.1 |
t.join(); |
467 |
|
|
} catch(Exception e){ |
468 |
|
|
unexpectedException(); |
469 |
|
|
} |
470 |
|
|
} |
471 |
|
|
|
472 |
|
|
/** |
473 |
dl |
1.16 |
* acquireInterruptibly succeeds when released, else is interruptible |
474 |
dl |
1.1 |
*/ |
475 |
dl |
1.12 |
public void testAcquireInterruptibly2() { |
476 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
477 |
dl |
1.1 |
try { |
478 |
dl |
1.17 |
sync.acquireInterruptibly(1); |
479 |
dl |
1.1 |
} catch(Exception e) { |
480 |
|
|
unexpectedException(); |
481 |
|
|
} |
482 |
dl |
1.17 |
Thread t = new Thread(new InterruptedSyncRunnable(sync)); |
483 |
dl |
1.1 |
try { |
484 |
|
|
t.start(); |
485 |
|
|
t.interrupt(); |
486 |
dl |
1.17 |
assertTrue(sync.isHeldExclusively()); |
487 |
dl |
1.1 |
t.join(); |
488 |
|
|
} catch(Exception e){ |
489 |
|
|
unexpectedException(); |
490 |
|
|
} |
491 |
|
|
} |
492 |
|
|
|
493 |
|
|
/** |
494 |
dl |
1.17 |
* owns is true for a condition created by sync else false |
495 |
dl |
1.12 |
*/ |
496 |
|
|
public void testOwns() { |
497 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
498 |
|
|
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
499 |
|
|
final Mutex sync2 = new Mutex(); |
500 |
|
|
assertTrue(sync.owns(c)); |
501 |
|
|
assertFalse(sync2.owns(c)); |
502 |
dl |
1.12 |
} |
503 |
|
|
|
504 |
|
|
/** |
505 |
dl |
1.17 |
* Calling await without holding sync throws IllegalMonitorStateException |
506 |
dl |
1.1 |
*/ |
507 |
|
|
public void testAwait_IllegalMonitor() { |
508 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
509 |
|
|
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
510 |
dl |
1.1 |
try { |
511 |
|
|
c.await(); |
512 |
|
|
shouldThrow(); |
513 |
|
|
} |
514 |
|
|
catch (IllegalMonitorStateException success) { |
515 |
|
|
} |
516 |
|
|
catch (Exception ex) { |
517 |
|
|
unexpectedException(); |
518 |
|
|
} |
519 |
|
|
} |
520 |
|
|
|
521 |
|
|
/** |
522 |
dl |
1.17 |
* Calling signal without holding sync throws IllegalMonitorStateException |
523 |
dl |
1.1 |
*/ |
524 |
|
|
public void testSignal_IllegalMonitor() { |
525 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
526 |
|
|
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
527 |
dl |
1.1 |
try { |
528 |
|
|
c.signal(); |
529 |
|
|
shouldThrow(); |
530 |
|
|
} |
531 |
|
|
catch (IllegalMonitorStateException success) { |
532 |
|
|
} |
533 |
|
|
catch (Exception ex) { |
534 |
|
|
unexpectedException(); |
535 |
|
|
} |
536 |
|
|
} |
537 |
|
|
|
538 |
|
|
/** |
539 |
|
|
* awaitNanos without a signal times out |
540 |
|
|
*/ |
541 |
|
|
public void testAwaitNanos_Timeout() { |
542 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
543 |
|
|
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
544 |
dl |
1.1 |
try { |
545 |
dl |
1.17 |
sync.acquire(1); |
546 |
dl |
1.1 |
long t = c.awaitNanos(100); |
547 |
|
|
assertTrue(t <= 0); |
548 |
dl |
1.17 |
sync.release(1); |
549 |
dl |
1.1 |
} |
550 |
|
|
catch (Exception ex) { |
551 |
|
|
unexpectedException(); |
552 |
|
|
} |
553 |
|
|
} |
554 |
|
|
|
555 |
|
|
/** |
556 |
dl |
1.17 |
* Timed await without a signal times out |
557 |
dl |
1.1 |
*/ |
558 |
|
|
public void testAwait_Timeout() { |
559 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
560 |
|
|
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
561 |
dl |
1.1 |
try { |
562 |
dl |
1.17 |
sync.acquire(1); |
563 |
dl |
1.1 |
assertFalse(c.await(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
564 |
dl |
1.17 |
sync.release(1); |
565 |
dl |
1.1 |
} |
566 |
|
|
catch (Exception ex) { |
567 |
|
|
unexpectedException(); |
568 |
|
|
} |
569 |
|
|
} |
570 |
|
|
|
571 |
|
|
/** |
572 |
|
|
* awaitUntil without a signal times out |
573 |
|
|
*/ |
574 |
|
|
public void testAwaitUntil_Timeout() { |
575 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
576 |
|
|
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
577 |
dl |
1.1 |
try { |
578 |
dl |
1.17 |
sync.acquire(1); |
579 |
dl |
1.1 |
java.util.Date d = new java.util.Date(); |
580 |
|
|
assertFalse(c.awaitUntil(new java.util.Date(d.getTime() + 10))); |
581 |
dl |
1.17 |
sync.release(1); |
582 |
dl |
1.1 |
} |
583 |
|
|
catch (Exception ex) { |
584 |
|
|
unexpectedException(); |
585 |
|
|
} |
586 |
|
|
} |
587 |
|
|
|
588 |
|
|
/** |
589 |
|
|
* await returns when signalled |
590 |
|
|
*/ |
591 |
|
|
public void testAwait() { |
592 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
593 |
|
|
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
594 |
dl |
1.15 |
Thread t = new Thread(new Runnable() { |
595 |
|
|
public void run() { |
596 |
|
|
try { |
597 |
dl |
1.17 |
sync.acquire(1); |
598 |
dl |
1.15 |
c.await(); |
599 |
dl |
1.17 |
sync.release(1); |
600 |
dl |
1.15 |
} |
601 |
|
|
catch(InterruptedException e) { |
602 |
|
|
threadUnexpectedException(); |
603 |
|
|
} |
604 |
|
|
} |
605 |
|
|
}); |
606 |
|
|
|
607 |
|
|
try { |
608 |
|
|
t.start(); |
609 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
610 |
dl |
1.17 |
sync.acquire(1); |
611 |
dl |
1.15 |
c.signal(); |
612 |
dl |
1.17 |
sync.release(1); |
613 |
dl |
1.15 |
t.join(SHORT_DELAY_MS); |
614 |
|
|
assertFalse(t.isAlive()); |
615 |
|
|
} |
616 |
|
|
catch (Exception ex) { |
617 |
|
|
unexpectedException(); |
618 |
|
|
} |
619 |
|
|
} |
620 |
|
|
|
621 |
|
|
|
622 |
|
|
|
623 |
|
|
/** |
624 |
|
|
* hasWaiters throws NPE if null |
625 |
|
|
*/ |
626 |
|
|
public void testHasWaitersNPE() { |
627 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
628 |
dl |
1.15 |
try { |
629 |
dl |
1.17 |
sync.hasWaiters(null); |
630 |
dl |
1.15 |
shouldThrow(); |
631 |
|
|
} catch (NullPointerException success) { |
632 |
|
|
} catch (Exception ex) { |
633 |
|
|
unexpectedException(); |
634 |
|
|
} |
635 |
|
|
} |
636 |
|
|
|
637 |
|
|
/** |
638 |
|
|
* getWaitQueueLength throws NPE if null |
639 |
|
|
*/ |
640 |
|
|
public void testGetWaitQueueLengthNPE() { |
641 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
642 |
dl |
1.15 |
try { |
643 |
dl |
1.17 |
sync.getWaitQueueLength(null); |
644 |
dl |
1.15 |
shouldThrow(); |
645 |
|
|
} catch (NullPointerException success) { |
646 |
|
|
} catch (Exception ex) { |
647 |
|
|
unexpectedException(); |
648 |
|
|
} |
649 |
|
|
} |
650 |
|
|
|
651 |
|
|
|
652 |
|
|
/** |
653 |
|
|
* getWaitingThreads throws NPE if null |
654 |
|
|
*/ |
655 |
|
|
public void testGetWaitingThreadsNPE() { |
656 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
657 |
dl |
1.15 |
try { |
658 |
dl |
1.17 |
sync.getWaitingThreads(null); |
659 |
dl |
1.15 |
shouldThrow(); |
660 |
|
|
} catch (NullPointerException success) { |
661 |
|
|
} catch (Exception ex) { |
662 |
|
|
unexpectedException(); |
663 |
|
|
} |
664 |
|
|
} |
665 |
|
|
|
666 |
|
|
|
667 |
|
|
/** |
668 |
|
|
* hasWaiters throws IAE if not owned |
669 |
|
|
*/ |
670 |
|
|
public void testHasWaitersIAE() { |
671 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
672 |
|
|
final AbstractQueuedSynchronizer.ConditionObject c = (sync.newCondition()); |
673 |
|
|
final Mutex sync2 = new Mutex(); |
674 |
dl |
1.15 |
try { |
675 |
dl |
1.17 |
sync2.hasWaiters(c); |
676 |
dl |
1.15 |
shouldThrow(); |
677 |
|
|
} catch (IllegalArgumentException success) { |
678 |
|
|
} catch (Exception ex) { |
679 |
|
|
unexpectedException(); |
680 |
|
|
} |
681 |
|
|
} |
682 |
|
|
|
683 |
|
|
/** |
684 |
dl |
1.17 |
* hasWaiters throws IMSE if not synced |
685 |
dl |
1.15 |
*/ |
686 |
|
|
public void testHasWaitersIMSE() { |
687 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
688 |
|
|
final AbstractQueuedSynchronizer.ConditionObject c = (sync.newCondition()); |
689 |
dl |
1.15 |
try { |
690 |
dl |
1.17 |
sync.hasWaiters(c); |
691 |
dl |
1.15 |
shouldThrow(); |
692 |
|
|
} catch (IllegalMonitorStateException success) { |
693 |
|
|
} catch (Exception ex) { |
694 |
|
|
unexpectedException(); |
695 |
|
|
} |
696 |
|
|
} |
697 |
|
|
|
698 |
|
|
|
699 |
|
|
/** |
700 |
|
|
* getWaitQueueLength throws IAE if not owned |
701 |
|
|
*/ |
702 |
|
|
public void testGetWaitQueueLengthIAE() { |
703 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
704 |
|
|
final AbstractQueuedSynchronizer.ConditionObject c = (sync.newCondition()); |
705 |
|
|
final Mutex sync2 = new Mutex(); |
706 |
dl |
1.15 |
try { |
707 |
dl |
1.17 |
sync2.getWaitQueueLength(c); |
708 |
dl |
1.15 |
shouldThrow(); |
709 |
|
|
} catch (IllegalArgumentException success) { |
710 |
|
|
} catch (Exception ex) { |
711 |
|
|
unexpectedException(); |
712 |
|
|
} |
713 |
|
|
} |
714 |
|
|
|
715 |
|
|
/** |
716 |
dl |
1.17 |
* getWaitQueueLength throws IMSE if not synced |
717 |
dl |
1.15 |
*/ |
718 |
|
|
public void testGetWaitQueueLengthIMSE() { |
719 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
720 |
|
|
final AbstractQueuedSynchronizer.ConditionObject c = (sync.newCondition()); |
721 |
dl |
1.15 |
try { |
722 |
dl |
1.17 |
sync.getWaitQueueLength(c); |
723 |
dl |
1.15 |
shouldThrow(); |
724 |
|
|
} catch (IllegalMonitorStateException success) { |
725 |
|
|
} catch (Exception ex) { |
726 |
|
|
unexpectedException(); |
727 |
|
|
} |
728 |
|
|
} |
729 |
|
|
|
730 |
|
|
|
731 |
|
|
/** |
732 |
|
|
* getWaitingThreads throws IAE if not owned |
733 |
|
|
*/ |
734 |
|
|
public void testGetWaitingThreadsIAE() { |
735 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
736 |
|
|
final AbstractQueuedSynchronizer.ConditionObject c = (sync.newCondition()); |
737 |
|
|
final Mutex sync2 = new Mutex(); |
738 |
dl |
1.15 |
try { |
739 |
dl |
1.17 |
sync2.getWaitingThreads(c); |
740 |
dl |
1.15 |
shouldThrow(); |
741 |
|
|
} catch (IllegalArgumentException success) { |
742 |
|
|
} catch (Exception ex) { |
743 |
|
|
unexpectedException(); |
744 |
|
|
} |
745 |
|
|
} |
746 |
|
|
|
747 |
|
|
/** |
748 |
dl |
1.17 |
* getWaitingThreads throws IMSE if not synced |
749 |
dl |
1.15 |
*/ |
750 |
|
|
public void testGetWaitingThreadsIMSE() { |
751 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
752 |
|
|
final AbstractQueuedSynchronizer.ConditionObject c = (sync.newCondition()); |
753 |
dl |
1.15 |
try { |
754 |
dl |
1.17 |
sync.getWaitingThreads(c); |
755 |
dl |
1.15 |
shouldThrow(); |
756 |
|
|
} catch (IllegalMonitorStateException success) { |
757 |
|
|
} catch (Exception ex) { |
758 |
|
|
unexpectedException(); |
759 |
|
|
} |
760 |
|
|
} |
761 |
|
|
|
762 |
|
|
|
763 |
|
|
|
764 |
|
|
/** |
765 |
|
|
* hasWaiters returns true when a thread is waiting, else false |
766 |
|
|
*/ |
767 |
|
|
public void testHasWaiters() { |
768 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
769 |
|
|
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
770 |
dl |
1.1 |
Thread t = new Thread(new Runnable() { |
771 |
|
|
public void run() { |
772 |
|
|
try { |
773 |
dl |
1.17 |
sync.acquire(1); |
774 |
|
|
threadAssertFalse(sync.hasWaiters(c)); |
775 |
|
|
threadAssertEquals(0, sync.getWaitQueueLength(c)); |
776 |
dl |
1.15 |
c.await(); |
777 |
dl |
1.17 |
sync.release(1); |
778 |
dl |
1.15 |
} |
779 |
|
|
catch(InterruptedException e) { |
780 |
|
|
threadUnexpectedException(); |
781 |
|
|
} |
782 |
|
|
} |
783 |
|
|
}); |
784 |
|
|
|
785 |
|
|
try { |
786 |
|
|
t.start(); |
787 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
788 |
dl |
1.17 |
sync.acquire(1); |
789 |
|
|
assertTrue(sync.hasWaiters(c)); |
790 |
|
|
assertEquals(1, sync.getWaitQueueLength(c)); |
791 |
dl |
1.15 |
c.signal(); |
792 |
dl |
1.17 |
sync.release(1); |
793 |
dl |
1.15 |
Thread.sleep(SHORT_DELAY_MS); |
794 |
dl |
1.17 |
sync.acquire(1); |
795 |
|
|
assertFalse(sync.hasWaiters(c)); |
796 |
|
|
assertEquals(0, sync.getWaitQueueLength(c)); |
797 |
|
|
sync.release(1); |
798 |
dl |
1.15 |
t.join(SHORT_DELAY_MS); |
799 |
|
|
assertFalse(t.isAlive()); |
800 |
|
|
} |
801 |
|
|
catch (Exception ex) { |
802 |
|
|
unexpectedException(); |
803 |
|
|
} |
804 |
|
|
} |
805 |
|
|
|
806 |
|
|
/** |
807 |
|
|
* getWaitQueueLength returns number of waiting threads |
808 |
|
|
*/ |
809 |
|
|
public void testGetWaitQueueLength() { |
810 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
811 |
|
|
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
812 |
dl |
1.15 |
Thread t1 = new Thread(new Runnable() { |
813 |
|
|
public void run() { |
814 |
|
|
try { |
815 |
dl |
1.17 |
sync.acquire(1); |
816 |
|
|
threadAssertFalse(sync.hasWaiters(c)); |
817 |
|
|
threadAssertEquals(0, sync.getWaitQueueLength(c)); |
818 |
dl |
1.15 |
c.await(); |
819 |
dl |
1.17 |
sync.release(1); |
820 |
dl |
1.15 |
} |
821 |
|
|
catch(InterruptedException e) { |
822 |
|
|
threadUnexpectedException(); |
823 |
|
|
} |
824 |
|
|
} |
825 |
|
|
}); |
826 |
|
|
|
827 |
|
|
Thread t2 = new Thread(new Runnable() { |
828 |
|
|
public void run() { |
829 |
|
|
try { |
830 |
dl |
1.17 |
sync.acquire(1); |
831 |
|
|
threadAssertTrue(sync.hasWaiters(c)); |
832 |
|
|
threadAssertEquals(1, sync.getWaitQueueLength(c)); |
833 |
dl |
1.15 |
c.await(); |
834 |
dl |
1.17 |
sync.release(1); |
835 |
dl |
1.15 |
} |
836 |
|
|
catch(InterruptedException e) { |
837 |
|
|
threadUnexpectedException(); |
838 |
|
|
} |
839 |
|
|
} |
840 |
|
|
}); |
841 |
|
|
|
842 |
|
|
try { |
843 |
|
|
t1.start(); |
844 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
845 |
|
|
t2.start(); |
846 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
847 |
dl |
1.17 |
sync.acquire(1); |
848 |
|
|
assertTrue(sync.hasWaiters(c)); |
849 |
|
|
assertEquals(2, sync.getWaitQueueLength(c)); |
850 |
dl |
1.15 |
c.signalAll(); |
851 |
dl |
1.17 |
sync.release(1); |
852 |
dl |
1.15 |
Thread.sleep(SHORT_DELAY_MS); |
853 |
dl |
1.17 |
sync.acquire(1); |
854 |
|
|
assertFalse(sync.hasWaiters(c)); |
855 |
|
|
assertEquals(0, sync.getWaitQueueLength(c)); |
856 |
|
|
sync.release(1); |
857 |
dl |
1.15 |
t1.join(SHORT_DELAY_MS); |
858 |
|
|
t2.join(SHORT_DELAY_MS); |
859 |
|
|
assertFalse(t1.isAlive()); |
860 |
|
|
assertFalse(t2.isAlive()); |
861 |
|
|
} |
862 |
|
|
catch (Exception ex) { |
863 |
|
|
unexpectedException(); |
864 |
|
|
} |
865 |
|
|
} |
866 |
|
|
|
867 |
|
|
/** |
868 |
|
|
* getWaitingThreads returns only and all waiting threads |
869 |
|
|
*/ |
870 |
|
|
public void testGetWaitingThreads() { |
871 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
872 |
|
|
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
873 |
dl |
1.15 |
Thread t1 = new Thread(new Runnable() { |
874 |
|
|
public void run() { |
875 |
|
|
try { |
876 |
dl |
1.17 |
sync.acquire(1); |
877 |
|
|
threadAssertTrue(sync.getWaitingThreads(c).isEmpty()); |
878 |
dl |
1.15 |
c.await(); |
879 |
dl |
1.17 |
sync.release(1); |
880 |
dl |
1.15 |
} |
881 |
|
|
catch(InterruptedException e) { |
882 |
|
|
threadUnexpectedException(); |
883 |
|
|
} |
884 |
|
|
} |
885 |
|
|
}); |
886 |
|
|
|
887 |
|
|
Thread t2 = new Thread(new Runnable() { |
888 |
|
|
public void run() { |
889 |
|
|
try { |
890 |
dl |
1.17 |
sync.acquire(1); |
891 |
|
|
threadAssertFalse(sync.getWaitingThreads(c).isEmpty()); |
892 |
dl |
1.1 |
c.await(); |
893 |
dl |
1.17 |
sync.release(1); |
894 |
dl |
1.1 |
} |
895 |
|
|
catch(InterruptedException e) { |
896 |
|
|
threadUnexpectedException(); |
897 |
|
|
} |
898 |
|
|
} |
899 |
|
|
}); |
900 |
|
|
|
901 |
|
|
try { |
902 |
dl |
1.17 |
sync.acquire(1); |
903 |
|
|
assertTrue(sync.getWaitingThreads(c).isEmpty()); |
904 |
|
|
sync.release(1); |
905 |
dl |
1.15 |
t1.start(); |
906 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
907 |
|
|
t2.start(); |
908 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
909 |
dl |
1.17 |
sync.acquire(1); |
910 |
|
|
assertTrue(sync.hasWaiters(c)); |
911 |
|
|
assertTrue(sync.getWaitingThreads(c).contains(t1)); |
912 |
|
|
assertTrue(sync.getWaitingThreads(c).contains(t2)); |
913 |
dl |
1.15 |
c.signalAll(); |
914 |
dl |
1.17 |
sync.release(1); |
915 |
dl |
1.15 |
Thread.sleep(SHORT_DELAY_MS); |
916 |
dl |
1.17 |
sync.acquire(1); |
917 |
|
|
assertFalse(sync.hasWaiters(c)); |
918 |
|
|
assertTrue(sync.getWaitingThreads(c).isEmpty()); |
919 |
|
|
sync.release(1); |
920 |
dl |
1.15 |
t1.join(SHORT_DELAY_MS); |
921 |
|
|
t2.join(SHORT_DELAY_MS); |
922 |
|
|
assertFalse(t1.isAlive()); |
923 |
|
|
assertFalse(t2.isAlive()); |
924 |
|
|
} |
925 |
|
|
catch (Exception ex) { |
926 |
|
|
unexpectedException(); |
927 |
|
|
} |
928 |
|
|
} |
929 |
|
|
|
930 |
|
|
|
931 |
|
|
|
932 |
|
|
/** |
933 |
|
|
* awaitUninterruptibly doesn't abort on interrupt |
934 |
|
|
*/ |
935 |
|
|
public void testAwaitUninterruptibly() { |
936 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
937 |
|
|
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
938 |
dl |
1.15 |
Thread t = new Thread(new Runnable() { |
939 |
|
|
public void run() { |
940 |
dl |
1.17 |
sync.acquire(1); |
941 |
dl |
1.15 |
c.awaitUninterruptibly(); |
942 |
dl |
1.17 |
sync.release(1); |
943 |
dl |
1.15 |
} |
944 |
|
|
}); |
945 |
|
|
|
946 |
|
|
try { |
947 |
dl |
1.1 |
t.start(); |
948 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
949 |
dl |
1.15 |
t.interrupt(); |
950 |
dl |
1.17 |
sync.acquire(1); |
951 |
dl |
1.1 |
c.signal(); |
952 |
dl |
1.17 |
sync.release(1); |
953 |
dl |
1.15 |
assert(t.isInterrupted()); |
954 |
|
|
t.join(SHORT_DELAY_MS); |
955 |
|
|
assertFalse(t.isAlive()); |
956 |
|
|
} |
957 |
|
|
catch (Exception ex) { |
958 |
|
|
unexpectedException(); |
959 |
|
|
} |
960 |
|
|
} |
961 |
|
|
|
962 |
|
|
/** |
963 |
|
|
* await is interruptible |
964 |
|
|
*/ |
965 |
|
|
public void testAwait_Interrupt() { |
966 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
967 |
|
|
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
968 |
dl |
1.15 |
Thread t = new Thread(new Runnable() { |
969 |
|
|
public void run() { |
970 |
|
|
try { |
971 |
dl |
1.17 |
sync.acquire(1); |
972 |
dl |
1.15 |
c.await(); |
973 |
dl |
1.17 |
sync.release(1); |
974 |
dl |
1.15 |
threadShouldThrow(); |
975 |
|
|
} |
976 |
|
|
catch(InterruptedException success) { |
977 |
|
|
} |
978 |
|
|
} |
979 |
|
|
}); |
980 |
|
|
|
981 |
|
|
try { |
982 |
|
|
t.start(); |
983 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
984 |
|
|
t.interrupt(); |
985 |
|
|
t.join(SHORT_DELAY_MS); |
986 |
|
|
assertFalse(t.isAlive()); |
987 |
|
|
} |
988 |
|
|
catch (Exception ex) { |
989 |
|
|
unexpectedException(); |
990 |
|
|
} |
991 |
|
|
} |
992 |
|
|
|
993 |
|
|
/** |
994 |
|
|
* awaitNanos is interruptible |
995 |
|
|
*/ |
996 |
|
|
public void testAwaitNanos_Interrupt() { |
997 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
998 |
|
|
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
999 |
dl |
1.15 |
Thread t = new Thread(new Runnable() { |
1000 |
|
|
public void run() { |
1001 |
|
|
try { |
1002 |
dl |
1.17 |
sync.acquire(1); |
1003 |
dl |
1.15 |
c.awaitNanos(1000 * 1000 * 1000); // 1 sec |
1004 |
dl |
1.17 |
sync.release(1); |
1005 |
dl |
1.15 |
threadShouldThrow(); |
1006 |
|
|
} |
1007 |
|
|
catch(InterruptedException success) { |
1008 |
|
|
} |
1009 |
|
|
} |
1010 |
|
|
}); |
1011 |
|
|
|
1012 |
|
|
try { |
1013 |
|
|
t.start(); |
1014 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
1015 |
|
|
t.interrupt(); |
1016 |
|
|
t.join(SHORT_DELAY_MS); |
1017 |
|
|
assertFalse(t.isAlive()); |
1018 |
|
|
} |
1019 |
|
|
catch (Exception ex) { |
1020 |
|
|
unexpectedException(); |
1021 |
|
|
} |
1022 |
|
|
} |
1023 |
|
|
|
1024 |
|
|
/** |
1025 |
|
|
* awaitUntil is interruptible |
1026 |
|
|
*/ |
1027 |
|
|
public void testAwaitUntil_Interrupt() { |
1028 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
1029 |
|
|
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
1030 |
dl |
1.15 |
Thread t = new Thread(new Runnable() { |
1031 |
|
|
public void run() { |
1032 |
|
|
try { |
1033 |
dl |
1.17 |
sync.acquire(1); |
1034 |
dl |
1.15 |
java.util.Date d = new java.util.Date(); |
1035 |
|
|
c.awaitUntil(new java.util.Date(d.getTime() + 10000)); |
1036 |
dl |
1.17 |
sync.release(1); |
1037 |
dl |
1.15 |
threadShouldThrow(); |
1038 |
|
|
} |
1039 |
|
|
catch(InterruptedException success) { |
1040 |
|
|
} |
1041 |
|
|
} |
1042 |
|
|
}); |
1043 |
|
|
|
1044 |
|
|
try { |
1045 |
|
|
t.start(); |
1046 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
1047 |
|
|
t.interrupt(); |
1048 |
dl |
1.1 |
t.join(SHORT_DELAY_MS); |
1049 |
|
|
assertFalse(t.isAlive()); |
1050 |
|
|
} |
1051 |
|
|
catch (Exception ex) { |
1052 |
dl |
1.12 |
unexpectedException(); |
1053 |
|
|
} |
1054 |
|
|
} |
1055 |
|
|
|
1056 |
dl |
1.14 |
/** |
1057 |
dl |
1.15 |
* signalAll wakes up all threads |
1058 |
|
|
*/ |
1059 |
|
|
public void testSignalAll() { |
1060 |
dl |
1.17 |
final Mutex sync = new Mutex(); |
1061 |
|
|
final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); |
1062 |
dl |
1.15 |
Thread t1 = new Thread(new Runnable() { |
1063 |
|
|
public void run() { |
1064 |
|
|
try { |
1065 |
dl |
1.17 |
sync.acquire(1); |
1066 |
dl |
1.15 |
c.await(); |
1067 |
dl |
1.17 |
sync.release(1); |
1068 |
dl |
1.15 |
} |
1069 |
|
|
catch(InterruptedException e) { |
1070 |
|
|
threadUnexpectedException(); |
1071 |
|
|
} |
1072 |
|
|
} |
1073 |
|
|
}); |
1074 |
|
|
|
1075 |
|
|
Thread t2 = new Thread(new Runnable() { |
1076 |
|
|
public void run() { |
1077 |
|
|
try { |
1078 |
dl |
1.17 |
sync.acquire(1); |
1079 |
dl |
1.15 |
c.await(); |
1080 |
dl |
1.17 |
sync.release(1); |
1081 |
dl |
1.15 |
} |
1082 |
|
|
catch(InterruptedException e) { |
1083 |
|
|
threadUnexpectedException(); |
1084 |
|
|
} |
1085 |
|
|
} |
1086 |
|
|
}); |
1087 |
|
|
|
1088 |
|
|
try { |
1089 |
|
|
t1.start(); |
1090 |
|
|
t2.start(); |
1091 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
1092 |
dl |
1.17 |
sync.acquire(1); |
1093 |
dl |
1.15 |
c.signalAll(); |
1094 |
dl |
1.17 |
sync.release(1); |
1095 |
dl |
1.15 |
t1.join(SHORT_DELAY_MS); |
1096 |
|
|
t2.join(SHORT_DELAY_MS); |
1097 |
|
|
assertFalse(t1.isAlive()); |
1098 |
|
|
assertFalse(t2.isAlive()); |
1099 |
|
|
} |
1100 |
|
|
catch (Exception ex) { |
1101 |
|
|
unexpectedException(); |
1102 |
|
|
} |
1103 |
|
|
} |
1104 |
|
|
|
1105 |
|
|
|
1106 |
|
|
/** |
1107 |
dl |
1.14 |
* toString indicates current state |
1108 |
|
|
*/ |
1109 |
|
|
public void testToString() { |
1110 |
dl |
1.17 |
Mutex sync = new Mutex(); |
1111 |
|
|
String us = sync.toString(); |
1112 |
dl |
1.14 |
assertTrue(us.indexOf("State = 0") >= 0); |
1113 |
dl |
1.17 |
sync.acquire(1); |
1114 |
|
|
String ls = sync.toString(); |
1115 |
dl |
1.14 |
assertTrue(ls.indexOf("State = 1") >= 0); |
1116 |
|
|
} |
1117 |
|
|
|
1118 |
|
|
/** |
1119 |
|
|
* A serialized AQS deserializes with current state |
1120 |
|
|
*/ |
1121 |
|
|
public void testSerialization() { |
1122 |
|
|
Mutex l = new Mutex(); |
1123 |
dl |
1.16 |
l.acquire(1); |
1124 |
|
|
assertTrue(l.isHeldExclusively()); |
1125 |
dl |
1.14 |
|
1126 |
|
|
try { |
1127 |
|
|
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
1128 |
|
|
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
1129 |
|
|
out.writeObject(l); |
1130 |
|
|
out.close(); |
1131 |
|
|
|
1132 |
|
|
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
1133 |
|
|
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
1134 |
|
|
Mutex r = (Mutex) in.readObject(); |
1135 |
dl |
1.16 |
assertTrue(r.isHeldExclusively()); |
1136 |
dl |
1.14 |
} catch(Exception e){ |
1137 |
|
|
e.printStackTrace(); |
1138 |
|
|
unexpectedException(); |
1139 |
|
|
} |
1140 |
|
|
} |
1141 |
|
|
|
1142 |
dl |
1.12 |
|
1143 |
|
|
/** |
1144 |
dl |
1.15 |
* tryReleaseShared setting state changes getState |
1145 |
dl |
1.12 |
*/ |
1146 |
dl |
1.15 |
public void testGetStateWithReleaseShared() { |
1147 |
dl |
1.12 |
final BooleanLatch l = new BooleanLatch(); |
1148 |
|
|
assertFalse(l.isSignalled()); |
1149 |
|
|
l.releaseShared(0); |
1150 |
|
|
assertTrue(l.isSignalled()); |
1151 |
|
|
} |
1152 |
|
|
|
1153 |
|
|
/** |
1154 |
dl |
1.17 |
* releaseShared has no effect when already signalled |
1155 |
dl |
1.12 |
*/ |
1156 |
dl |
1.13 |
public void testReleaseShared() { |
1157 |
dl |
1.12 |
final BooleanLatch l = new BooleanLatch(); |
1158 |
|
|
assertFalse(l.isSignalled()); |
1159 |
|
|
l.releaseShared(0); |
1160 |
|
|
assertTrue(l.isSignalled()); |
1161 |
|
|
l.releaseShared(0); |
1162 |
|
|
assertTrue(l.isSignalled()); |
1163 |
|
|
} |
1164 |
|
|
|
1165 |
|
|
/** |
1166 |
|
|
* acquireSharedInterruptibly returns after release, but not before |
1167 |
|
|
*/ |
1168 |
dl |
1.13 |
public void testAcquireSharedInterruptibly() { |
1169 |
dl |
1.12 |
final BooleanLatch l = new BooleanLatch(); |
1170 |
|
|
|
1171 |
|
|
Thread t = new Thread(new Runnable() { |
1172 |
|
|
public void run() { |
1173 |
|
|
try { |
1174 |
|
|
threadAssertFalse(l.isSignalled()); |
1175 |
|
|
l.acquireSharedInterruptibly(0); |
1176 |
|
|
threadAssertTrue(l.isSignalled()); |
1177 |
|
|
} catch(InterruptedException e){ |
1178 |
|
|
threadUnexpectedException(); |
1179 |
|
|
} |
1180 |
|
|
} |
1181 |
|
|
}); |
1182 |
|
|
try { |
1183 |
|
|
t.start(); |
1184 |
|
|
assertFalse(l.isSignalled()); |
1185 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
1186 |
|
|
l.releaseShared(0); |
1187 |
|
|
assertTrue(l.isSignalled()); |
1188 |
|
|
t.join(); |
1189 |
|
|
} catch (InterruptedException e){ |
1190 |
|
|
unexpectedException(); |
1191 |
|
|
} |
1192 |
|
|
} |
1193 |
|
|
|
1194 |
|
|
|
1195 |
|
|
/** |
1196 |
|
|
* acquireSharedTimed returns after release |
1197 |
|
|
*/ |
1198 |
dl |
1.13 |
public void testAsquireSharedTimed() { |
1199 |
dl |
1.12 |
final BooleanLatch l = new BooleanLatch(); |
1200 |
|
|
|
1201 |
|
|
Thread t = new Thread(new Runnable() { |
1202 |
|
|
public void run() { |
1203 |
|
|
try { |
1204 |
|
|
threadAssertFalse(l.isSignalled()); |
1205 |
dl |
1.16 |
threadAssertTrue(l.tryAcquireSharedNanos(0, MEDIUM_DELAY_MS* 1000 * 1000)); |
1206 |
dl |
1.12 |
threadAssertTrue(l.isSignalled()); |
1207 |
|
|
|
1208 |
|
|
} catch(InterruptedException e){ |
1209 |
|
|
threadUnexpectedException(); |
1210 |
|
|
} |
1211 |
|
|
} |
1212 |
|
|
}); |
1213 |
|
|
try { |
1214 |
|
|
t.start(); |
1215 |
|
|
assertFalse(l.isSignalled()); |
1216 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
1217 |
|
|
l.releaseShared(0); |
1218 |
|
|
assertTrue(l.isSignalled()); |
1219 |
|
|
t.join(); |
1220 |
|
|
} catch (InterruptedException e){ |
1221 |
|
|
unexpectedException(); |
1222 |
|
|
} |
1223 |
|
|
} |
1224 |
|
|
|
1225 |
|
|
/** |
1226 |
|
|
* acquireSharedInterruptibly throws IE if interrupted before released |
1227 |
|
|
*/ |
1228 |
dl |
1.13 |
public void testAcquireSharedInterruptibly_InterruptedException() { |
1229 |
dl |
1.12 |
final BooleanLatch l = new BooleanLatch(); |
1230 |
|
|
Thread t = new Thread(new Runnable() { |
1231 |
|
|
public void run() { |
1232 |
|
|
try { |
1233 |
|
|
threadAssertFalse(l.isSignalled()); |
1234 |
|
|
l.acquireSharedInterruptibly(0); |
1235 |
|
|
threadShouldThrow(); |
1236 |
|
|
} catch(InterruptedException success){} |
1237 |
|
|
} |
1238 |
|
|
}); |
1239 |
|
|
t.start(); |
1240 |
|
|
try { |
1241 |
|
|
assertFalse(l.isSignalled()); |
1242 |
|
|
t.interrupt(); |
1243 |
|
|
t.join(); |
1244 |
|
|
} catch (InterruptedException e){ |
1245 |
|
|
unexpectedException(); |
1246 |
|
|
} |
1247 |
|
|
} |
1248 |
|
|
|
1249 |
|
|
/** |
1250 |
|
|
* acquireSharedTimed throws IE if interrupted before released |
1251 |
|
|
*/ |
1252 |
dl |
1.13 |
public void testAcquireSharedNanos_InterruptedException() { |
1253 |
dl |
1.12 |
final BooleanLatch l = new BooleanLatch(); |
1254 |
|
|
Thread t = new Thread(new Runnable() { |
1255 |
|
|
public void run() { |
1256 |
|
|
try { |
1257 |
|
|
threadAssertFalse(l.isSignalled()); |
1258 |
dl |
1.16 |
l.tryAcquireSharedNanos(0, SMALL_DELAY_MS* 1000 * 1000); |
1259 |
dl |
1.12 |
threadShouldThrow(); |
1260 |
|
|
} catch(InterruptedException success){} |
1261 |
|
|
} |
1262 |
|
|
}); |
1263 |
|
|
t.start(); |
1264 |
|
|
try { |
1265 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
1266 |
|
|
assertFalse(l.isSignalled()); |
1267 |
|
|
t.interrupt(); |
1268 |
|
|
t.join(); |
1269 |
|
|
} catch (InterruptedException e){ |
1270 |
|
|
unexpectedException(); |
1271 |
|
|
} |
1272 |
|
|
} |
1273 |
|
|
|
1274 |
|
|
/** |
1275 |
|
|
* acquireSharedTimed times out if not released before timeout |
1276 |
|
|
*/ |
1277 |
dl |
1.13 |
public void testAcquireSharedNanos_Timeout() { |
1278 |
dl |
1.12 |
final BooleanLatch l = new BooleanLatch(); |
1279 |
|
|
Thread t = new Thread(new Runnable() { |
1280 |
|
|
public void run() { |
1281 |
|
|
try { |
1282 |
|
|
threadAssertFalse(l.isSignalled()); |
1283 |
dl |
1.16 |
threadAssertFalse(l.tryAcquireSharedNanos(0, SMALL_DELAY_MS* 1000 * 1000)); |
1284 |
dl |
1.12 |
} catch(InterruptedException ie){ |
1285 |
|
|
threadUnexpectedException(); |
1286 |
|
|
} |
1287 |
|
|
} |
1288 |
|
|
}); |
1289 |
|
|
t.start(); |
1290 |
|
|
try { |
1291 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
1292 |
|
|
assertFalse(l.isSignalled()); |
1293 |
|
|
t.join(); |
1294 |
|
|
} catch (InterruptedException e){ |
1295 |
dl |
1.1 |
unexpectedException(); |
1296 |
|
|
} |
1297 |
|
|
} |
1298 |
dl |
1.14 |
|
1299 |
dl |
1.1 |
|
1300 |
|
|
} |