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* Pat Fisher, Mike Judd. |
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*/ |
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import junit.framework.*; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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|
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import java.util.Arrays; |
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import java.util.Collection; |
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import java.util.HashSet; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.atomic.AtomicBoolean; |
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import java.util.concurrent.locks.Condition; |
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import java.util.concurrent.locks.Lock; |
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import java.util.concurrent.locks.ReentrantReadWriteLock; |
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import java.util.concurrent.CountDownLatch; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import java.util.*; |
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|
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import junit.framework.AssertionFailedError; |
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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public class ReentrantReadWriteLockTest 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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main(suite(), args); |
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} |
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public static Test suite() { |
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return new TestSuite(ReentrantReadWriteLockTest.class); |
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lock.writeLock().unlock(); |
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} |
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enum AwaitMethod { await, awaitTimed, awaitNanos, awaitUntil }; |
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enum AwaitMethod { await, awaitTimed, awaitNanos, awaitUntil } |
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/** |
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* Awaits condition using the specified AwaitMethod. |
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java.util.Date d = new java.util.Date(); |
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assertTrue(c.awaitUntil(new java.util.Date(d.getTime() + 2 * LONG_DELAY_MS))); |
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break; |
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default: |
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throw new AssertionError(); |
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} |
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} |
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} |
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for (int i = SIZE; i > 0; i--) { |
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lock.writeLock().unlock(); |
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assertEquals(i-1,lock.getWriteHoldCount()); |
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assertEquals(i - 1,lock.getWriteHoldCount()); |
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} |
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} |
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} |
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for (int i = SIZE; i > 0; i--) { |
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lock.writeLock().unlock(); |
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assertEquals(i-1,lock.writeLock().getHoldCount()); |
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assertEquals(i - 1,lock.writeLock().getHoldCount()); |
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} |
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} |
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} |
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for (int i = SIZE; i > 0; i--) { |
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lock.readLock().unlock(); |
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assertEquals(i-1,lock.getReadHoldCount()); |
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assertEquals(i - 1,lock.getReadHoldCount()); |
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} |
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} |
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new PublicReentrantReadWriteLock(fair); |
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try { |
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lock.writeLock().lockInterruptibly(); |
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} catch (InterruptedException ie) { |
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threadUnexpectedException(ie); |
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} |
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} catch (InterruptedException fail) { threadUnexpectedException(fail); } |
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Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
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public void realRun() throws InterruptedException { |
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lock.writeLock().lockInterruptibly(); |
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lock.readLock().lockInterruptibly(); |
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lock.readLock().unlock(); |
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lock.writeLock().lockInterruptibly(); |
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} catch (InterruptedException ie) { |
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threadUnexpectedException(ie); |
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} |
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} catch (InterruptedException fail) { threadUnexpectedException(fail); } |
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Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
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public void realRun() throws InterruptedException { |
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lock.readLock().lockInterruptibly(); |
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await(c, awaitMethod); |
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shouldThrow(); |
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} catch (IllegalMonitorStateException success) { |
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} catch (InterruptedException e) { threadUnexpectedException(e); } |
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} catch (InterruptedException fail) { |
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threadUnexpectedException(fail); |
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} |
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assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
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} |
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} |
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assertTrue(nanosRemaining <= 0); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
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lock.writeLock().unlock(); |
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} catch (InterruptedException e) { |
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threadUnexpectedException(e); |
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} |
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} catch (InterruptedException fail) { threadUnexpectedException(fail); } |
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} |
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/** |
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assertFalse(c.await(timeoutMillis, MILLISECONDS)); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
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lock.writeLock().unlock(); |
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} catch (InterruptedException e) { |
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threadUnexpectedException(e); |
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} |
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} catch (InterruptedException fail) { threadUnexpectedException(fail); } |
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} |
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/** |
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assertFalse(c.awaitUntil(new java.util.Date(d.getTime() + timeoutMillis))); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
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lock.writeLock().unlock(); |
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} catch (InterruptedException e) { |
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threadUnexpectedException(e); |
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} |
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} catch (InterruptedException fail) { threadUnexpectedException(fail); } |
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} |
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/** |