LockManagerTest.java revision 9f2023d9f48efcc3dba2921004f05e635e2582e2
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at legal-notices/CDDLv1_0.txt.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Copyright 2015 ForgeRock AS
*/
@SuppressWarnings("javadoc")
public class LockManagerTest extends TypesTestCase
{
private enum LockType
{
{
{
}
},
{
{
}
},
{
{
}
};
}
{
}
@Test
public void testLockTimeout() throws Exception
{
}
private Object[][] multiThreadedLockCombinationsWhichShouldBlock()
{
// @formatter:off
return new Object[][] {
};
// @formatter:on
}
public void testMultiThreadedLockCombinationsWhichShouldBlock(final LockType lock1Type, final DN dn1,
{
try
{
}
catch (final TimeoutException e)
{
// Ignore: we'll check the state of the future instead.
}
}
private Object[][] multiThreadedLockCombinationsWhichShouldNotBlock()
{
// @formatter:off
return new Object[][] {
};
// @formatter:on
}
public void testMultiThreadedLockCombinationsWhichShouldNotBlock(final LockType lock1Type, final DN dn1,
{
}
private LockType[][] reentrantLockCombinationsWhichShouldNotBlock()
{
// @formatter:off
return new LockType[][] {
};
// @formatter:on
}
public void testReentrantLockCombinationsWhichShouldNotBlock(final LockType lock1Type, final LockType lock2Type)
{
}
@Test
public void testThreadLocalCacheEviction() throws Exception
{
// Acquire 100 different locks. The first few locks should be evicted from the cache.
for (int i = 0; i < 100; i++)
{
}
// The first lock should have been evicted from the cache, but still in the lock table because it is locked.
// The last lock should still be in the cache and the lock table.
{
}
// The first lock should not be in the cache or the lock table.
// The last lock should still be in the cache and the lock table.
}
public void stressTestForDeadlocks() throws Exception
{
for (int i = 0; i < threadCount; i++)
{
{
public void run()
{
for (int j = 0; j < 1000000; j++)
{
try
{
/*
* Lock a DN whose parent is different each time in order to prevent the thread local
* cache being used for retrieving the parent DN lock.
*/
}
catch (DirectoryException e)
{
throw new RuntimeException(e);
}
}
}
});
}
assertThat(threadPool.awaitTermination(60, TimeUnit.SECONDS)).as("Deadlock detected during stress test").isTrue();
}
{
}
{
{
{
}
});
}
private int getThreadLocalLockRefCountFor(final ExecutorService thread, final LockManager lockManager,
{
{
{
}
}).get();
}
{
{
public void run()
{
}
}).get();
}
}