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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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jsr166 |
1.5 |
* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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dl |
1.1 |
*/ |
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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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jsr166 |
1.12 |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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dl |
1.1 |
import java.util.concurrent.locks.*; |
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import java.io.*; |
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public class AbstractQueuedLongSynchronizerTest 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(AbstractQueuedLongSynchronizerTest.class); |
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} |
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/** |
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* A simple mutex class, adapted from the |
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* AbstractQueuedLongSynchronizer javadoc. Exclusive acquire tests |
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* exercise this as a sample user extension. Other |
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* methods/features of AbstractQueuedLongSynchronizerTest 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 AbstractQueuedLongSynchronizer { |
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// Use value > 32 bits for locked state |
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static final long LOCKED = 1 << 48; |
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jsr166 |
1.5 |
public boolean isHeldExclusively() { |
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return getState() == LOCKED; |
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dl |
1.1 |
} |
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jsr166 |
1.5 |
|
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dl |
1.1 |
public boolean tryAcquire(long acquires) { |
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return compareAndSetState(0, LOCKED); |
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} |
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jsr166 |
1.5 |
|
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dl |
1.1 |
public boolean tryRelease(long 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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jsr166 |
1.5 |
|
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dl |
1.1 |
public AbstractQueuedLongSynchronizer.ConditionObject newCondition() { return new AbstractQueuedLongSynchronizer.ConditionObject(); } |
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} |
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jsr166 |
1.5 |
|
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dl |
1.1 |
/** |
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* A simple latch class, to test shared mode. |
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*/ |
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jsr166 |
1.5 |
static class BooleanLatch extends AbstractQueuedLongSynchronizer { |
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dl |
1.1 |
public boolean isSignalled() { return getState() != 0; } |
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public long tryAcquireShared(long ignore) { |
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return isSignalled()? 1 : -1; |
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} |
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jsr166 |
1.5 |
|
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dl |
1.1 |
public boolean tryReleaseShared(long ignore) { |
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setState(1 << 62); |
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return true; |
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} |
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} |
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/** |
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jsr166 |
1.10 |
* A runnable calling acquireInterruptibly that does not expect to |
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* be interrupted. |
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dl |
1.1 |
*/ |
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jsr166 |
1.10 |
class InterruptibleSyncRunnable extends CheckedRunnable { |
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dl |
1.1 |
final Mutex sync; |
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InterruptibleSyncRunnable(Mutex l) { sync = l; } |
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jsr166 |
1.10 |
public void realRun() throws InterruptedException { |
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sync.acquireInterruptibly(1); |
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dl |
1.1 |
} |
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} |
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/** |
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* A runnable calling acquireInterruptibly that expects to be |
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jsr166 |
1.10 |
* interrupted. |
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dl |
1.1 |
*/ |
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jsr166 |
1.10 |
class InterruptedSyncRunnable extends CheckedInterruptedRunnable { |
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dl |
1.1 |
final Mutex sync; |
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InterruptedSyncRunnable(Mutex l) { sync = l; } |
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jsr166 |
1.10 |
public void realRun() throws InterruptedException { |
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sync.acquireInterruptibly(1); |
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dl |
1.1 |
} |
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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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jsr166 |
1.5 |
public void testIsHeldExclusively() { |
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jsr166 |
1.11 |
Mutex rl = new Mutex(); |
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dl |
1.1 |
assertFalse(rl.isHeldExclusively()); |
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} |
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jsr166 |
1.5 |
|
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dl |
1.1 |
/** |
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* acquiring released sync succeeds |
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*/ |
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jsr166 |
1.5 |
public void testAcquire() { |
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jsr166 |
1.11 |
Mutex rl = new Mutex(); |
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dl |
1.1 |
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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* tryAcquire on an released sync succeeds |
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*/ |
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jsr166 |
1.5 |
public void testTryAcquire() { |
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jsr166 |
1.11 |
Mutex rl = new Mutex(); |
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dl |
1.1 |
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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*/ |
128 |
jsr166 |
1.9 |
public void testhasQueuedThreads() throws InterruptedException { |
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jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
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dl |
1.1 |
Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
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Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
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jsr166 |
1.9 |
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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jsr166 |
1.5 |
} |
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dl |
1.1 |
|
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/** |
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* isQueued(null) throws NPE |
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*/ |
153 |
jsr166 |
1.5 |
public void testIsQueuedNPE() { |
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jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
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dl |
1.1 |
try { |
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sync.isQueued(null); |
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shouldThrow(); |
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jsr166 |
1.9 |
} catch (NullPointerException success) {} |
159 |
dl |
1.1 |
} |
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/** |
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* isQueued reports whether a thread is queued. |
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*/ |
164 |
jsr166 |
1.9 |
public void testIsQueued() throws InterruptedException { |
165 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
166 |
dl |
1.1 |
Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
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Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
168 |
jsr166 |
1.9 |
assertFalse(sync.isQueued(t1)); |
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assertFalse(sync.isQueued(t2)); |
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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.isQueued(t1)); |
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t2.start(); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertTrue(sync.isQueued(t1)); |
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assertTrue(sync.isQueued(t2)); |
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t1.interrupt(); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertFalse(sync.isQueued(t1)); |
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assertTrue(sync.isQueued(t2)); |
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sync.release(1); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertFalse(sync.isQueued(t1)); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertFalse(sync.isQueued(t2)); |
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t1.join(); |
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t2.join(); |
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jsr166 |
1.5 |
} |
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dl |
1.1 |
|
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/** |
192 |
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* getFirstQueuedThread returns first waiting thread or null if none |
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*/ |
194 |
jsr166 |
1.9 |
public void testGetFirstQueuedThread() throws InterruptedException { |
195 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
196 |
dl |
1.1 |
Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
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Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
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jsr166 |
1.9 |
assertNull(sync.getFirstQueuedThread()); |
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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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assertEquals(t1, sync.getFirstQueuedThread()); |
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t2.start(); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertEquals(t1, sync.getFirstQueuedThread()); |
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t1.interrupt(); |
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Thread.sleep(SHORT_DELAY_MS); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertEquals(t2, sync.getFirstQueuedThread()); |
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sync.release(1); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertNull(sync.getFirstQueuedThread()); |
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t1.join(); |
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t2.join(); |
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jsr166 |
1.5 |
} |
216 |
dl |
1.1 |
|
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218 |
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/** |
219 |
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* hasContended reports false if no thread has ever blocked, else true |
220 |
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*/ |
221 |
jsr166 |
1.9 |
public void testHasContended() throws InterruptedException { |
222 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
223 |
dl |
1.1 |
Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
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Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
225 |
jsr166 |
1.9 |
assertFalse(sync.hasContended()); |
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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.hasContended()); |
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t2.start(); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertTrue(sync.hasContended()); |
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t1.interrupt(); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertTrue(sync.hasContended()); |
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sync.release(1); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertTrue(sync.hasContended()); |
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t1.join(); |
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t2.join(); |
241 |
jsr166 |
1.5 |
} |
242 |
dl |
1.1 |
|
243 |
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/** |
244 |
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* getQueuedThreads includes waiting threads |
245 |
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*/ |
246 |
jsr166 |
1.9 |
public void testGetQueuedThreads() throws InterruptedException { |
247 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
248 |
dl |
1.1 |
Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
249 |
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Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
250 |
jsr166 |
1.9 |
assertTrue(sync.getQueuedThreads().isEmpty()); |
251 |
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sync.acquire(1); |
252 |
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assertTrue(sync.getQueuedThreads().isEmpty()); |
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t1.start(); |
254 |
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Thread.sleep(SHORT_DELAY_MS); |
255 |
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assertTrue(sync.getQueuedThreads().contains(t1)); |
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t2.start(); |
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Thread.sleep(SHORT_DELAY_MS); |
258 |
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assertTrue(sync.getQueuedThreads().contains(t1)); |
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assertTrue(sync.getQueuedThreads().contains(t2)); |
260 |
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t1.interrupt(); |
261 |
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Thread.sleep(SHORT_DELAY_MS); |
262 |
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assertFalse(sync.getQueuedThreads().contains(t1)); |
263 |
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assertTrue(sync.getQueuedThreads().contains(t2)); |
264 |
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sync.release(1); |
265 |
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Thread.sleep(SHORT_DELAY_MS); |
266 |
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assertTrue(sync.getQueuedThreads().isEmpty()); |
267 |
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t1.join(); |
268 |
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t2.join(); |
269 |
jsr166 |
1.5 |
} |
270 |
dl |
1.1 |
|
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/** |
272 |
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* getExclusiveQueuedThreads includes waiting threads |
273 |
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*/ |
274 |
jsr166 |
1.9 |
public void testGetExclusiveQueuedThreads() throws InterruptedException { |
275 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
276 |
dl |
1.1 |
Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
277 |
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Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
278 |
jsr166 |
1.9 |
assertTrue(sync.getExclusiveQueuedThreads().isEmpty()); |
279 |
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sync.acquire(1); |
280 |
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assertTrue(sync.getExclusiveQueuedThreads().isEmpty()); |
281 |
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t1.start(); |
282 |
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Thread.sleep(SHORT_DELAY_MS); |
283 |
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assertTrue(sync.getExclusiveQueuedThreads().contains(t1)); |
284 |
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t2.start(); |
285 |
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Thread.sleep(SHORT_DELAY_MS); |
286 |
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assertTrue(sync.getExclusiveQueuedThreads().contains(t1)); |
287 |
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assertTrue(sync.getExclusiveQueuedThreads().contains(t2)); |
288 |
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t1.interrupt(); |
289 |
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Thread.sleep(SHORT_DELAY_MS); |
290 |
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assertFalse(sync.getExclusiveQueuedThreads().contains(t1)); |
291 |
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assertTrue(sync.getExclusiveQueuedThreads().contains(t2)); |
292 |
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sync.release(1); |
293 |
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Thread.sleep(SHORT_DELAY_MS); |
294 |
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assertTrue(sync.getExclusiveQueuedThreads().isEmpty()); |
295 |
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t1.join(); |
296 |
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t2.join(); |
297 |
jsr166 |
1.5 |
} |
298 |
dl |
1.1 |
|
299 |
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/** |
300 |
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* getSharedQueuedThreads does not include exclusively waiting threads |
301 |
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*/ |
302 |
jsr166 |
1.9 |
public void testGetSharedQueuedThreads() throws InterruptedException { |
303 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
304 |
dl |
1.1 |
Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); |
305 |
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Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); |
306 |
jsr166 |
1.9 |
assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
307 |
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sync.acquire(1); |
308 |
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assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
309 |
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t1.start(); |
310 |
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Thread.sleep(SHORT_DELAY_MS); |
311 |
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assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
312 |
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t2.start(); |
313 |
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Thread.sleep(SHORT_DELAY_MS); |
314 |
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assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
315 |
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t1.interrupt(); |
316 |
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Thread.sleep(SHORT_DELAY_MS); |
317 |
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assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
318 |
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sync.release(1); |
319 |
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Thread.sleep(SHORT_DELAY_MS); |
320 |
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assertTrue(sync.getSharedQueuedThreads().isEmpty()); |
321 |
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t1.join(); |
322 |
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t2.join(); |
323 |
jsr166 |
1.5 |
} |
324 |
dl |
1.1 |
|
325 |
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/** |
326 |
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* tryAcquireNanos is interruptible. |
327 |
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*/ |
328 |
jsr166 |
1.9 |
public void testInterruptedException2() throws InterruptedException { |
329 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
330 |
|
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sync.acquire(1); |
331 |
|
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Thread t = new Thread(new CheckedInterruptedRunnable() { |
332 |
jsr166 |
1.10 |
public void realRun() throws InterruptedException { |
333 |
jsr166 |
1.14 |
sync.tryAcquireNanos(1, MEDIUM_DELAY_MS * 1000L * 1000L); |
334 |
jsr166 |
1.10 |
}}); |
335 |
jsr166 |
1.9 |
|
336 |
|
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t.start(); |
337 |
jsr166 |
1.14 |
Thread.sleep(SHORT_DELAY_MS); |
338 |
jsr166 |
1.9 |
t.interrupt(); |
339 |
|
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t.join(); |
340 |
dl |
1.1 |
} |
341 |
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|
342 |
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|
343 |
|
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/** |
344 |
|
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* TryAcquire on exclusively held sync fails |
345 |
|
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*/ |
346 |
jsr166 |
1.9 |
public void testTryAcquireWhenSynced() throws InterruptedException { |
347 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
348 |
|
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sync.acquire(1); |
349 |
|
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Thread t = new Thread(new CheckedRunnable() { |
350 |
jsr166 |
1.10 |
public void realRun() { |
351 |
|
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threadAssertFalse(sync.tryAcquire(1)); |
352 |
|
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}}); |
353 |
jsr166 |
1.9 |
|
354 |
|
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t.start(); |
355 |
|
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t.join(); |
356 |
|
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sync.release(1); |
357 |
jsr166 |
1.5 |
} |
358 |
dl |
1.1 |
|
359 |
|
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/** |
360 |
|
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* tryAcquireNanos on an exclusively held sync times out |
361 |
|
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*/ |
362 |
jsr166 |
1.9 |
public void testAcquireNanos_Timeout() throws InterruptedException { |
363 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
364 |
|
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sync.acquire(1); |
365 |
|
|
Thread t = new Thread(new CheckedRunnable() { |
366 |
jsr166 |
1.10 |
public void realRun() throws InterruptedException { |
367 |
jsr166 |
1.14 |
threadAssertFalse(sync.tryAcquireNanos(1, SHORT_DELAY_MS * 1000L * 1000L)); |
368 |
jsr166 |
1.10 |
}}); |
369 |
jsr166 |
1.9 |
|
370 |
|
|
t.start(); |
371 |
|
|
t.join(); |
372 |
|
|
sync.release(1); |
373 |
jsr166 |
1.5 |
} |
374 |
|
|
|
375 |
|
|
|
376 |
dl |
1.1 |
/** |
377 |
|
|
* getState is true when acquired and false when not |
378 |
|
|
*/ |
379 |
jsr166 |
1.9 |
public void testGetState() throws InterruptedException { |
380 |
jsr166 |
1.11 |
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 |
jsr166 |
1.10 |
public void realRun() throws InterruptedException { |
387 |
|
|
sync.acquire(1); |
388 |
|
|
Thread.sleep(SMALL_DELAY_MS); |
389 |
|
|
sync.release(1); |
390 |
|
|
}}); |
391 |
jsr166 |
1.9 |
|
392 |
|
|
t.start(); |
393 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
394 |
|
|
assertTrue(sync.isHeldExclusively()); |
395 |
|
|
t.join(); |
396 |
|
|
assertFalse(sync.isHeldExclusively()); |
397 |
dl |
1.1 |
} |
398 |
|
|
|
399 |
|
|
|
400 |
|
|
/** |
401 |
|
|
* acquireInterruptibly is interruptible. |
402 |
|
|
*/ |
403 |
jsr166 |
1.9 |
public void testAcquireInterruptibly1() throws InterruptedException { |
404 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
405 |
|
|
sync.acquire(1); |
406 |
|
|
Thread t = new Thread(new InterruptedSyncRunnable(sync)); |
407 |
jsr166 |
1.9 |
t.start(); |
408 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
409 |
|
|
t.interrupt(); |
410 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
411 |
|
|
sync.release(1); |
412 |
|
|
t.join(); |
413 |
jsr166 |
1.5 |
} |
414 |
dl |
1.1 |
|
415 |
|
|
/** |
416 |
|
|
* acquireInterruptibly succeeds when released, else is interruptible |
417 |
|
|
*/ |
418 |
jsr166 |
1.9 |
public void testAcquireInterruptibly2() throws InterruptedException { |
419 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
420 |
jsr166 |
1.9 |
sync.acquireInterruptibly(1); |
421 |
jsr166 |
1.11 |
Thread t = new Thread(new InterruptedSyncRunnable(sync)); |
422 |
jsr166 |
1.9 |
t.start(); |
423 |
jsr166 |
1.14 |
Thread.sleep(SHORT_DELAY_MS); |
424 |
jsr166 |
1.9 |
t.interrupt(); |
425 |
|
|
assertTrue(sync.isHeldExclusively()); |
426 |
|
|
t.join(); |
427 |
dl |
1.1 |
} |
428 |
|
|
|
429 |
|
|
/** |
430 |
|
|
* owns is true for a condition created by sync else false |
431 |
|
|
*/ |
432 |
|
|
public void testOwns() { |
433 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
434 |
dl |
1.1 |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
435 |
|
|
final Mutex sync2 = new Mutex(); |
436 |
|
|
assertTrue(sync.owns(c)); |
437 |
|
|
assertFalse(sync2.owns(c)); |
438 |
|
|
} |
439 |
|
|
|
440 |
|
|
/** |
441 |
|
|
* Calling await without holding sync throws IllegalMonitorStateException |
442 |
|
|
*/ |
443 |
jsr166 |
1.9 |
public void testAwait_IllegalMonitor() throws InterruptedException { |
444 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
445 |
dl |
1.1 |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
446 |
|
|
try { |
447 |
|
|
c.await(); |
448 |
|
|
shouldThrow(); |
449 |
jsr166 |
1.10 |
} catch (IllegalMonitorStateException success) {} |
450 |
dl |
1.1 |
} |
451 |
|
|
|
452 |
|
|
/** |
453 |
|
|
* Calling signal without holding sync throws IllegalMonitorStateException |
454 |
|
|
*/ |
455 |
jsr166 |
1.9 |
public void testSignal_IllegalMonitor() throws InterruptedException { |
456 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
457 |
dl |
1.1 |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
458 |
|
|
try { |
459 |
|
|
c.signal(); |
460 |
|
|
shouldThrow(); |
461 |
jsr166 |
1.10 |
} catch (IllegalMonitorStateException success) {} |
462 |
dl |
1.1 |
} |
463 |
|
|
|
464 |
|
|
/** |
465 |
|
|
* awaitNanos without a signal times out |
466 |
|
|
*/ |
467 |
jsr166 |
1.9 |
public void testAwaitNanos_Timeout() throws InterruptedException { |
468 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
469 |
dl |
1.1 |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
470 |
jsr166 |
1.9 |
sync.acquire(1); |
471 |
|
|
long t = c.awaitNanos(100); |
472 |
|
|
assertTrue(t <= 0); |
473 |
|
|
sync.release(1); |
474 |
dl |
1.1 |
} |
475 |
|
|
|
476 |
|
|
/** |
477 |
|
|
* Timed await without a signal times out |
478 |
|
|
*/ |
479 |
jsr166 |
1.9 |
public void testAwait_Timeout() throws InterruptedException { |
480 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
481 |
dl |
1.1 |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
482 |
jsr166 |
1.9 |
sync.acquire(1); |
483 |
jsr166 |
1.12 |
assertFalse(c.await(SHORT_DELAY_MS, MILLISECONDS)); |
484 |
jsr166 |
1.9 |
sync.release(1); |
485 |
dl |
1.1 |
} |
486 |
|
|
|
487 |
|
|
/** |
488 |
|
|
* awaitUntil without a signal times out |
489 |
|
|
*/ |
490 |
jsr166 |
1.9 |
public void testAwaitUntil_Timeout() throws InterruptedException { |
491 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
492 |
dl |
1.1 |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
493 |
jsr166 |
1.9 |
sync.acquire(1); |
494 |
|
|
java.util.Date d = new java.util.Date(); |
495 |
|
|
assertFalse(c.awaitUntil(new java.util.Date(d.getTime() + 10))); |
496 |
|
|
sync.release(1); |
497 |
dl |
1.1 |
} |
498 |
|
|
|
499 |
|
|
/** |
500 |
|
|
* await returns when signalled |
501 |
|
|
*/ |
502 |
jsr166 |
1.9 |
public void testAwait() throws InterruptedException { |
503 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
504 |
dl |
1.1 |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
505 |
jsr166 |
1.11 |
Thread t = new Thread(new CheckedRunnable() { |
506 |
jsr166 |
1.10 |
public void realRun() throws InterruptedException { |
507 |
|
|
sync.acquire(1); |
508 |
|
|
c.await(); |
509 |
|
|
sync.release(1); |
510 |
|
|
}}); |
511 |
dl |
1.1 |
|
512 |
jsr166 |
1.9 |
t.start(); |
513 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
514 |
|
|
sync.acquire(1); |
515 |
|
|
c.signal(); |
516 |
|
|
sync.release(1); |
517 |
|
|
t.join(SHORT_DELAY_MS); |
518 |
|
|
assertFalse(t.isAlive()); |
519 |
dl |
1.1 |
} |
520 |
|
|
|
521 |
|
|
|
522 |
|
|
|
523 |
|
|
/** |
524 |
|
|
* hasWaiters throws NPE if null |
525 |
|
|
*/ |
526 |
|
|
public void testHasWaitersNPE() { |
527 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
528 |
dl |
1.1 |
try { |
529 |
|
|
sync.hasWaiters(null); |
530 |
|
|
shouldThrow(); |
531 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
532 |
dl |
1.1 |
} |
533 |
|
|
|
534 |
|
|
/** |
535 |
|
|
* getWaitQueueLength throws NPE if null |
536 |
|
|
*/ |
537 |
|
|
public void testGetWaitQueueLengthNPE() { |
538 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
539 |
dl |
1.1 |
try { |
540 |
|
|
sync.getWaitQueueLength(null); |
541 |
|
|
shouldThrow(); |
542 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
543 |
dl |
1.1 |
} |
544 |
|
|
|
545 |
|
|
|
546 |
|
|
/** |
547 |
|
|
* getWaitingThreads throws NPE if null |
548 |
|
|
*/ |
549 |
|
|
public void testGetWaitingThreadsNPE() { |
550 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
551 |
dl |
1.1 |
try { |
552 |
|
|
sync.getWaitingThreads(null); |
553 |
|
|
shouldThrow(); |
554 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
555 |
dl |
1.1 |
} |
556 |
|
|
|
557 |
|
|
|
558 |
|
|
/** |
559 |
|
|
* hasWaiters throws IAE if not owned |
560 |
|
|
*/ |
561 |
|
|
public void testHasWaitersIAE() { |
562 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
563 |
jsr166 |
1.8 |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
564 |
jsr166 |
1.11 |
final Mutex sync2 = new Mutex(); |
565 |
dl |
1.1 |
try { |
566 |
|
|
sync2.hasWaiters(c); |
567 |
|
|
shouldThrow(); |
568 |
jsr166 |
1.9 |
} catch (IllegalArgumentException success) {} |
569 |
dl |
1.1 |
} |
570 |
|
|
|
571 |
|
|
/** |
572 |
|
|
* hasWaiters throws IMSE if not synced |
573 |
|
|
*/ |
574 |
|
|
public void testHasWaitersIMSE() { |
575 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
576 |
jsr166 |
1.8 |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
577 |
dl |
1.1 |
try { |
578 |
|
|
sync.hasWaiters(c); |
579 |
|
|
shouldThrow(); |
580 |
jsr166 |
1.9 |
} catch (IllegalMonitorStateException success) {} |
581 |
dl |
1.1 |
} |
582 |
|
|
|
583 |
|
|
|
584 |
|
|
/** |
585 |
|
|
* getWaitQueueLength throws IAE if not owned |
586 |
|
|
*/ |
587 |
|
|
public void testGetWaitQueueLengthIAE() { |
588 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
589 |
jsr166 |
1.8 |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
590 |
jsr166 |
1.11 |
final Mutex sync2 = new Mutex(); |
591 |
dl |
1.1 |
try { |
592 |
|
|
sync2.getWaitQueueLength(c); |
593 |
|
|
shouldThrow(); |
594 |
jsr166 |
1.9 |
} catch (IllegalArgumentException success) {} |
595 |
dl |
1.1 |
} |
596 |
|
|
|
597 |
|
|
/** |
598 |
|
|
* getWaitQueueLength throws IMSE if not synced |
599 |
|
|
*/ |
600 |
|
|
public void testGetWaitQueueLengthIMSE() { |
601 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
602 |
jsr166 |
1.8 |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
603 |
dl |
1.1 |
try { |
604 |
|
|
sync.getWaitQueueLength(c); |
605 |
|
|
shouldThrow(); |
606 |
jsr166 |
1.9 |
} catch (IllegalMonitorStateException success) {} |
607 |
dl |
1.1 |
} |
608 |
|
|
|
609 |
|
|
|
610 |
|
|
/** |
611 |
|
|
* getWaitingThreads throws IAE if not owned |
612 |
|
|
*/ |
613 |
|
|
public void testGetWaitingThreadsIAE() { |
614 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
615 |
jsr166 |
1.8 |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
616 |
jsr166 |
1.11 |
final Mutex sync2 = new Mutex(); |
617 |
dl |
1.1 |
try { |
618 |
|
|
sync2.getWaitingThreads(c); |
619 |
|
|
shouldThrow(); |
620 |
jsr166 |
1.9 |
} catch (IllegalArgumentException success) {} |
621 |
dl |
1.1 |
} |
622 |
|
|
|
623 |
|
|
/** |
624 |
|
|
* getWaitingThreads throws IMSE if not synced |
625 |
|
|
*/ |
626 |
|
|
public void testGetWaitingThreadsIMSE() { |
627 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
628 |
jsr166 |
1.8 |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
629 |
dl |
1.1 |
try { |
630 |
|
|
sync.getWaitingThreads(c); |
631 |
|
|
shouldThrow(); |
632 |
jsr166 |
1.9 |
} catch (IllegalMonitorStateException success) {} |
633 |
dl |
1.1 |
} |
634 |
|
|
|
635 |
|
|
|
636 |
|
|
|
637 |
|
|
/** |
638 |
|
|
* hasWaiters returns true when a thread is waiting, else false |
639 |
|
|
*/ |
640 |
jsr166 |
1.9 |
public void testHasWaiters() throws InterruptedException { |
641 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
642 |
dl |
1.1 |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
643 |
jsr166 |
1.11 |
Thread t = new Thread(new CheckedRunnable() { |
644 |
jsr166 |
1.10 |
public void realRun() throws InterruptedException { |
645 |
|
|
sync.acquire(1); |
646 |
|
|
threadAssertFalse(sync.hasWaiters(c)); |
647 |
|
|
threadAssertEquals(0, sync.getWaitQueueLength(c)); |
648 |
|
|
c.await(); |
649 |
|
|
sync.release(1); |
650 |
|
|
}}); |
651 |
dl |
1.1 |
|
652 |
jsr166 |
1.9 |
t.start(); |
653 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
654 |
|
|
sync.acquire(1); |
655 |
|
|
assertTrue(sync.hasWaiters(c)); |
656 |
|
|
assertEquals(1, sync.getWaitQueueLength(c)); |
657 |
|
|
c.signal(); |
658 |
|
|
sync.release(1); |
659 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
660 |
|
|
sync.acquire(1); |
661 |
|
|
assertFalse(sync.hasWaiters(c)); |
662 |
|
|
assertEquals(0, sync.getWaitQueueLength(c)); |
663 |
|
|
sync.release(1); |
664 |
|
|
t.join(SHORT_DELAY_MS); |
665 |
|
|
assertFalse(t.isAlive()); |
666 |
dl |
1.1 |
} |
667 |
|
|
|
668 |
|
|
/** |
669 |
|
|
* getWaitQueueLength returns number of waiting threads |
670 |
|
|
*/ |
671 |
jsr166 |
1.9 |
public void testGetWaitQueueLength() throws InterruptedException { |
672 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
673 |
dl |
1.1 |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
674 |
jsr166 |
1.11 |
Thread t1 = new Thread(new CheckedRunnable() { |
675 |
jsr166 |
1.10 |
public void realRun() throws InterruptedException { |
676 |
|
|
sync.acquire(1); |
677 |
|
|
threadAssertFalse(sync.hasWaiters(c)); |
678 |
|
|
threadAssertEquals(0, sync.getWaitQueueLength(c)); |
679 |
|
|
c.await(); |
680 |
|
|
sync.release(1); |
681 |
|
|
}}); |
682 |
|
|
|
683 |
jsr166 |
1.11 |
Thread t2 = new Thread(new CheckedRunnable() { |
684 |
jsr166 |
1.10 |
public void realRun() throws InterruptedException { |
685 |
|
|
sync.acquire(1); |
686 |
|
|
threadAssertTrue(sync.hasWaiters(c)); |
687 |
|
|
threadAssertEquals(1, sync.getWaitQueueLength(c)); |
688 |
|
|
c.await(); |
689 |
|
|
sync.release(1); |
690 |
|
|
}}); |
691 |
dl |
1.1 |
|
692 |
jsr166 |
1.9 |
t1.start(); |
693 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
694 |
|
|
t2.start(); |
695 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
696 |
|
|
sync.acquire(1); |
697 |
|
|
assertTrue(sync.hasWaiters(c)); |
698 |
|
|
assertEquals(2, sync.getWaitQueueLength(c)); |
699 |
|
|
c.signalAll(); |
700 |
|
|
sync.release(1); |
701 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
702 |
|
|
sync.acquire(1); |
703 |
|
|
assertFalse(sync.hasWaiters(c)); |
704 |
|
|
assertEquals(0, sync.getWaitQueueLength(c)); |
705 |
|
|
sync.release(1); |
706 |
|
|
t1.join(SHORT_DELAY_MS); |
707 |
|
|
t2.join(SHORT_DELAY_MS); |
708 |
|
|
assertFalse(t1.isAlive()); |
709 |
|
|
assertFalse(t2.isAlive()); |
710 |
dl |
1.1 |
} |
711 |
|
|
|
712 |
|
|
/** |
713 |
|
|
* getWaitingThreads returns only and all waiting threads |
714 |
|
|
*/ |
715 |
jsr166 |
1.9 |
public void testGetWaitingThreads() throws InterruptedException { |
716 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
717 |
dl |
1.1 |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
718 |
jsr166 |
1.11 |
Thread t1 = new Thread(new CheckedRunnable() { |
719 |
jsr166 |
1.10 |
public void realRun() throws InterruptedException { |
720 |
|
|
sync.acquire(1); |
721 |
|
|
threadAssertTrue(sync.getWaitingThreads(c).isEmpty()); |
722 |
|
|
c.await(); |
723 |
|
|
sync.release(1); |
724 |
|
|
}}); |
725 |
|
|
|
726 |
jsr166 |
1.11 |
Thread t2 = new Thread(new CheckedRunnable() { |
727 |
jsr166 |
1.10 |
public void realRun() throws InterruptedException { |
728 |
|
|
sync.acquire(1); |
729 |
|
|
threadAssertFalse(sync.getWaitingThreads(c).isEmpty()); |
730 |
|
|
c.await(); |
731 |
|
|
sync.release(1); |
732 |
|
|
}}); |
733 |
dl |
1.1 |
|
734 |
|
|
sync.acquire(1); |
735 |
|
|
assertTrue(sync.getWaitingThreads(c).isEmpty()); |
736 |
|
|
sync.release(1); |
737 |
|
|
t1.start(); |
738 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
739 |
|
|
t2.start(); |
740 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
741 |
|
|
sync.acquire(1); |
742 |
|
|
assertTrue(sync.hasWaiters(c)); |
743 |
|
|
assertTrue(sync.getWaitingThreads(c).contains(t1)); |
744 |
|
|
assertTrue(sync.getWaitingThreads(c).contains(t2)); |
745 |
|
|
c.signalAll(); |
746 |
|
|
sync.release(1); |
747 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
748 |
|
|
sync.acquire(1); |
749 |
|
|
assertFalse(sync.hasWaiters(c)); |
750 |
|
|
assertTrue(sync.getWaitingThreads(c).isEmpty()); |
751 |
|
|
sync.release(1); |
752 |
|
|
t1.join(SHORT_DELAY_MS); |
753 |
|
|
t2.join(SHORT_DELAY_MS); |
754 |
|
|
assertFalse(t1.isAlive()); |
755 |
|
|
assertFalse(t2.isAlive()); |
756 |
|
|
} |
757 |
|
|
|
758 |
|
|
|
759 |
|
|
|
760 |
|
|
/** |
761 |
|
|
* awaitUninterruptibly doesn't abort on interrupt |
762 |
|
|
*/ |
763 |
jsr166 |
1.9 |
public void testAwaitUninterruptibly() throws InterruptedException { |
764 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
765 |
dl |
1.1 |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
766 |
jsr166 |
1.11 |
Thread t = new Thread(new CheckedRunnable() { |
767 |
jsr166 |
1.10 |
public void realRun() { |
768 |
|
|
sync.acquire(1); |
769 |
|
|
c.awaitUninterruptibly(); |
770 |
|
|
sync.release(1); |
771 |
|
|
}}); |
772 |
dl |
1.1 |
|
773 |
jsr166 |
1.9 |
t.start(); |
774 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
775 |
|
|
t.interrupt(); |
776 |
|
|
sync.acquire(1); |
777 |
|
|
c.signal(); |
778 |
|
|
sync.release(1); |
779 |
|
|
t.join(SHORT_DELAY_MS); |
780 |
|
|
assertFalse(t.isAlive()); |
781 |
dl |
1.1 |
} |
782 |
|
|
|
783 |
|
|
/** |
784 |
|
|
* await is interruptible |
785 |
|
|
*/ |
786 |
jsr166 |
1.9 |
public void testAwait_Interrupt() throws InterruptedException { |
787 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
788 |
dl |
1.1 |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
789 |
jsr166 |
1.11 |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
790 |
|
|
public void realRun() throws InterruptedException { |
791 |
jsr166 |
1.10 |
sync.acquire(1); |
792 |
|
|
c.await(); |
793 |
|
|
}}); |
794 |
dl |
1.1 |
|
795 |
jsr166 |
1.9 |
t.start(); |
796 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
797 |
|
|
t.interrupt(); |
798 |
|
|
t.join(SHORT_DELAY_MS); |
799 |
|
|
assertFalse(t.isAlive()); |
800 |
dl |
1.1 |
} |
801 |
|
|
|
802 |
|
|
/** |
803 |
|
|
* awaitNanos is interruptible |
804 |
|
|
*/ |
805 |
jsr166 |
1.9 |
public void testAwaitNanos_Interrupt() throws InterruptedException { |
806 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
807 |
dl |
1.1 |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
808 |
jsr166 |
1.11 |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
809 |
|
|
public void realRun() throws InterruptedException { |
810 |
jsr166 |
1.10 |
sync.acquire(1); |
811 |
jsr166 |
1.14 |
c.awaitNanos(LONG_DELAY_MS * 1000L * 1000L); |
812 |
jsr166 |
1.10 |
}}); |
813 |
dl |
1.1 |
|
814 |
jsr166 |
1.9 |
t.start(); |
815 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
816 |
|
|
t.interrupt(); |
817 |
|
|
t.join(SHORT_DELAY_MS); |
818 |
|
|
assertFalse(t.isAlive()); |
819 |
dl |
1.1 |
} |
820 |
|
|
|
821 |
|
|
/** |
822 |
|
|
* awaitUntil is interruptible |
823 |
|
|
*/ |
824 |
jsr166 |
1.9 |
public void testAwaitUntil_Interrupt() throws InterruptedException { |
825 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
826 |
dl |
1.1 |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
827 |
jsr166 |
1.11 |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
828 |
|
|
public void realRun() throws InterruptedException { |
829 |
jsr166 |
1.10 |
sync.acquire(1); |
830 |
|
|
java.util.Date d = new java.util.Date(); |
831 |
|
|
c.awaitUntil(new java.util.Date(d.getTime() + 10000)); |
832 |
|
|
}}); |
833 |
dl |
1.1 |
|
834 |
jsr166 |
1.9 |
t.start(); |
835 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
836 |
|
|
t.interrupt(); |
837 |
|
|
t.join(SHORT_DELAY_MS); |
838 |
|
|
assertFalse(t.isAlive()); |
839 |
dl |
1.1 |
} |
840 |
|
|
|
841 |
|
|
/** |
842 |
|
|
* signalAll wakes up all threads |
843 |
|
|
*/ |
844 |
jsr166 |
1.9 |
public void testSignalAll() throws InterruptedException { |
845 |
jsr166 |
1.11 |
final Mutex sync = new Mutex(); |
846 |
dl |
1.1 |
final AbstractQueuedLongSynchronizer.ConditionObject c = sync.newCondition(); |
847 |
jsr166 |
1.11 |
Thread t1 = new Thread(new CheckedRunnable() { |
848 |
jsr166 |
1.10 |
public void realRun() throws InterruptedException { |
849 |
|
|
sync.acquire(1); |
850 |
|
|
c.await(); |
851 |
|
|
sync.release(1); |
852 |
|
|
}}); |
853 |
|
|
|
854 |
jsr166 |
1.11 |
Thread t2 = new Thread(new CheckedRunnable() { |
855 |
jsr166 |
1.10 |
public void realRun() throws InterruptedException { |
856 |
|
|
sync.acquire(1); |
857 |
|
|
c.await(); |
858 |
|
|
sync.release(1); |
859 |
|
|
}}); |
860 |
dl |
1.1 |
|
861 |
jsr166 |
1.9 |
t1.start(); |
862 |
|
|
t2.start(); |
863 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
864 |
|
|
sync.acquire(1); |
865 |
|
|
c.signalAll(); |
866 |
|
|
sync.release(1); |
867 |
|
|
t1.join(SHORT_DELAY_MS); |
868 |
|
|
t2.join(SHORT_DELAY_MS); |
869 |
|
|
assertFalse(t1.isAlive()); |
870 |
|
|
assertFalse(t2.isAlive()); |
871 |
dl |
1.1 |
} |
872 |
|
|
|
873 |
|
|
|
874 |
|
|
/** |
875 |
|
|
* toString indicates current state |
876 |
|
|
*/ |
877 |
|
|
public void testToString() { |
878 |
|
|
Mutex sync = new Mutex(); |
879 |
|
|
String us = sync.toString(); |
880 |
|
|
assertTrue(us.indexOf("State = 0") >= 0); |
881 |
|
|
sync.acquire(1); |
882 |
|
|
String ls = sync.toString(); |
883 |
|
|
assertTrue(ls.indexOf("State = " + Mutex.LOCKED) >= 0); |
884 |
|
|
} |
885 |
|
|
|
886 |
|
|
/** |
887 |
|
|
* A serialized AQS deserializes with current state |
888 |
|
|
*/ |
889 |
jsr166 |
1.9 |
public void testSerialization() throws Exception { |
890 |
dl |
1.1 |
Mutex l = new Mutex(); |
891 |
|
|
l.acquire(1); |
892 |
|
|
assertTrue(l.isHeldExclusively()); |
893 |
|
|
|
894 |
jsr166 |
1.9 |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
895 |
|
|
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
896 |
|
|
out.writeObject(l); |
897 |
|
|
out.close(); |
898 |
|
|
|
899 |
|
|
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
900 |
|
|
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
901 |
|
|
Mutex r = (Mutex) in.readObject(); |
902 |
|
|
assertTrue(r.isHeldExclusively()); |
903 |
dl |
1.1 |
} |
904 |
|
|
|
905 |
|
|
|
906 |
|
|
/** |
907 |
|
|
* tryReleaseShared setting state changes getState |
908 |
|
|
*/ |
909 |
|
|
public void testGetStateWithReleaseShared() { |
910 |
jsr166 |
1.11 |
final BooleanLatch l = new BooleanLatch(); |
911 |
|
|
assertFalse(l.isSignalled()); |
912 |
|
|
l.releaseShared(0); |
913 |
|
|
assertTrue(l.isSignalled()); |
914 |
dl |
1.1 |
} |
915 |
|
|
|
916 |
|
|
/** |
917 |
|
|
* releaseShared has no effect when already signalled |
918 |
|
|
*/ |
919 |
|
|
public void testReleaseShared() { |
920 |
jsr166 |
1.11 |
final BooleanLatch l = new BooleanLatch(); |
921 |
|
|
assertFalse(l.isSignalled()); |
922 |
|
|
l.releaseShared(0); |
923 |
|
|
assertTrue(l.isSignalled()); |
924 |
|
|
l.releaseShared(0); |
925 |
|
|
assertTrue(l.isSignalled()); |
926 |
dl |
1.1 |
} |
927 |
|
|
|
928 |
|
|
/** |
929 |
|
|
* acquireSharedInterruptibly returns after release, but not before |
930 |
|
|
*/ |
931 |
jsr166 |
1.9 |
public void testAcquireSharedInterruptibly() throws InterruptedException { |
932 |
jsr166 |
1.11 |
final BooleanLatch l = new BooleanLatch(); |
933 |
dl |
1.1 |
|
934 |
jsr166 |
1.11 |
Thread t = new Thread(new CheckedRunnable() { |
935 |
jsr166 |
1.10 |
public void realRun() throws InterruptedException { |
936 |
|
|
threadAssertFalse(l.isSignalled()); |
937 |
|
|
l.acquireSharedInterruptibly(0); |
938 |
|
|
threadAssertTrue(l.isSignalled()); |
939 |
|
|
}}); |
940 |
jsr166 |
1.9 |
|
941 |
|
|
t.start(); |
942 |
|
|
assertFalse(l.isSignalled()); |
943 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
944 |
|
|
l.releaseShared(0); |
945 |
|
|
assertTrue(l.isSignalled()); |
946 |
|
|
t.join(); |
947 |
dl |
1.1 |
} |
948 |
jsr166 |
1.5 |
|
949 |
dl |
1.1 |
|
950 |
|
|
/** |
951 |
|
|
* acquireSharedTimed returns after release |
952 |
|
|
*/ |
953 |
jsr166 |
1.9 |
public void testAsquireSharedTimed() throws InterruptedException { |
954 |
jsr166 |
1.11 |
final BooleanLatch l = new BooleanLatch(); |
955 |
dl |
1.1 |
|
956 |
jsr166 |
1.11 |
Thread t = new Thread(new CheckedRunnable() { |
957 |
jsr166 |
1.10 |
public void realRun() throws InterruptedException { |
958 |
|
|
threadAssertFalse(l.isSignalled()); |
959 |
jsr166 |
1.14 |
threadAssertTrue(l.tryAcquireSharedNanos(0, MEDIUM_DELAY_MS * 1000L * 1000L)); |
960 |
jsr166 |
1.10 |
threadAssertTrue(l.isSignalled()); |
961 |
|
|
}}); |
962 |
jsr166 |
1.9 |
|
963 |
|
|
t.start(); |
964 |
|
|
assertFalse(l.isSignalled()); |
965 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
966 |
|
|
l.releaseShared(0); |
967 |
|
|
assertTrue(l.isSignalled()); |
968 |
|
|
t.join(); |
969 |
dl |
1.1 |
} |
970 |
jsr166 |
1.5 |
|
971 |
dl |
1.1 |
/** |
972 |
|
|
* acquireSharedInterruptibly throws IE if interrupted before released |
973 |
|
|
*/ |
974 |
jsr166 |
1.9 |
public void testAcquireSharedInterruptibly_InterruptedException() throws InterruptedException { |
975 |
dl |
1.1 |
final BooleanLatch l = new BooleanLatch(); |
976 |
jsr166 |
1.11 |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
977 |
|
|
public void realRun() throws InterruptedException { |
978 |
jsr166 |
1.10 |
threadAssertFalse(l.isSignalled()); |
979 |
|
|
l.acquireSharedInterruptibly(0); |
980 |
|
|
}}); |
981 |
jsr166 |
1.9 |
|
982 |
jsr166 |
1.11 |
t.start(); |
983 |
jsr166 |
1.9 |
assertFalse(l.isSignalled()); |
984 |
|
|
t.interrupt(); |
985 |
|
|
t.join(); |
986 |
dl |
1.1 |
} |
987 |
|
|
|
988 |
|
|
/** |
989 |
|
|
* acquireSharedTimed throws IE if interrupted before released |
990 |
|
|
*/ |
991 |
jsr166 |
1.9 |
public void testAcquireSharedNanos_InterruptedException() throws InterruptedException { |
992 |
dl |
1.1 |
final BooleanLatch l = new BooleanLatch(); |
993 |
jsr166 |
1.11 |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
994 |
|
|
public void realRun() throws InterruptedException { |
995 |
jsr166 |
1.10 |
threadAssertFalse(l.isSignalled()); |
996 |
jsr166 |
1.14 |
l.tryAcquireSharedNanos(0, SMALL_DELAY_MS * 1000L * 1000L); |
997 |
jsr166 |
1.10 |
}}); |
998 |
jsr166 |
1.9 |
|
999 |
dl |
1.1 |
t.start(); |
1000 |
jsr166 |
1.9 |
Thread.sleep(SHORT_DELAY_MS); |
1001 |
|
|
assertFalse(l.isSignalled()); |
1002 |
|
|
t.interrupt(); |
1003 |
|
|
t.join(); |
1004 |
dl |
1.1 |
} |
1005 |
|
|
|
1006 |
|
|
/** |
1007 |
|
|
* acquireSharedTimed times out if not released before timeout |
1008 |
|
|
*/ |
1009 |
jsr166 |
1.9 |
public void testAcquireSharedNanos_Timeout() throws InterruptedException { |
1010 |
dl |
1.1 |
final BooleanLatch l = new BooleanLatch(); |
1011 |
jsr166 |
1.11 |
Thread t = new Thread(new CheckedRunnable() { |
1012 |
jsr166 |
1.10 |
public void realRun() throws InterruptedException { |
1013 |
|
|
threadAssertFalse(l.isSignalled()); |
1014 |
jsr166 |
1.14 |
threadAssertFalse(l.tryAcquireSharedNanos(0, SMALL_DELAY_MS * 1000L * 1000L)); |
1015 |
jsr166 |
1.10 |
}}); |
1016 |
jsr166 |
1.9 |
|
1017 |
dl |
1.1 |
t.start(); |
1018 |
jsr166 |
1.9 |
Thread.sleep(SHORT_DELAY_MS); |
1019 |
|
|
assertFalse(l.isSignalled()); |
1020 |
|
|
t.join(); |
1021 |
dl |
1.1 |
} |
1022 |
|
|
|
1023 |
|
|
} |