//
// Copyright (C) 2009 United States Government as represented by the
// Administrator of the National Aeronautics and Space Administration
// (NASA). All Rights Reserved.
//
// This software is distributed under the NASA Open Source Agreement
// (NOSA), version 1.3. The NOSA has been approved by the Open Source
// Initiative. See the file NOSA-1.3-JPF at the top of the distribution
// directory tree for the complete NOSA document.
//
// THE SUBJECT SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY OF ANY
// KIND, EITHER EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT
// LIMITED TO, ANY WARRANTY THAT THE SUBJECT SOFTWARE WILL CONFORM TO
// SPECIFICATIONS, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR
// A PARTICULAR PURPOSE, OR FREEDOM FROM INFRINGEMENT, ANY WARRANTY THAT
// THE SUBJECT SOFTWARE WILL BE ERROR FREE, OR ANY WARRANTY THAT
// DOCUMENTATION, IF PROVIDED, WILL CONFORM TO THE SUBJECT SOFTWARE.
//
package gov.nasa.jpf.test.mc.basic;
import org.junit.Test;
import gov.nasa.jpf.util.test.TestJPF;
/**
* Ensures that a recursive lock/unlock doesn't leave the lock in an acquired state.
*/
public class RecursiveLockTest extends TestJPF
{
@Test
public void recursiveUnlock() throws InterruptedException
{
final Object lock;
Thread thread;
Runnable task;
if (verifyNoPropertyViolation())
{
lock = new Object();
synchronized (lock)
{
synchronized (lock)
{
// nothing to do
}
}
task = new Runnable()
{
public void run()
{
synchronized (lock)
{
// nothing to do
}
}
};
thread = new Thread(task);
thread.start();
thread.join();
}
}
}