/******************************************************************************* * Copyright (c) 2007, 2010 Association for Decentralized Information Management * in Industry THTH ry. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * VTT Technical Research Centre of Finland - initial API and implementation *******************************************************************************/ package org.simantics.db.tests.api.request.listening; import java.util.concurrent.Semaphore; import org.junit.Test; import org.simantics.db.AsyncReadGraph; import org.simantics.db.Session; import org.simantics.db.common.procedure.adapter.AsyncListenerAdapter; import org.simantics.db.procedure.AsyncProcedure; import org.simantics.db.request.AsyncRead; import org.simantics.db.testing.base.ExistingDatabaseTest; import org.simantics.utils.DataContainer; public class DisposedListenerTest extends ExistingDatabaseTest { /** * Performs an asynchronous dummy graph request with a listener that is * already disposed when the request is first performed. * *
* The expected outcome is that the request will complete normally, calling * execute of the listener procedure once and only once. * *
* The outcome when this test was created was that QueryProcessor would
* crash internally with a NullPointerException.
*
* This problem is fixed by: https://www.simulationsite.net/trac/simantics/changeset/13869
*
* @throws Exception
*/
@Test
public void testDisposedListener() throws Exception{
final Session session = getSession();
final Semaphore sem = new Semaphore(0);
final DataContainer