DummyConnectionTest.java

/*
 * Copyright © 2010 Martin Riedel
 * 
 * This file is part of TransFile.
 *
 * TransFile is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * TransFile is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with TransFile.  If not, see <http://www.gnu.org/licenses/>.
 */

package net.sourceforge.transfile.operations;

import static org.junit.Assert.assertTrue;
import static net.sourceforge.jenerics.collections.CollectionsTools.array;

import java.util.concurrent.Executor;
import java.util.concurrent.Semaphore;
import java.util.concurrent.TimeUnit;

/**
 * TODO doc
 *
 * @author codistmonk (creation 2010-06-05)
 *
 */
public class DummyConnectionTest extends AbstractConnectionTestBase {
	
	@Override
	protected final Connection[] createMatchingConnectionPair() {
		final DummyConnection connection1 = new DummyConnection();
		final DummyConnection connection2 = new DummyConnection();
		
		connection1.setRemoteConnection(connection2);
		connection2.setRemoteConnection(connection1);
		
		return array(connection1, connection2);
	}
	
	@Override
	protected final Connection createUnmatchedConnection() {
		return new DummyConnection();
	}
	
	/**
	 * TODO doc
	 * 
	 * @param executor
	 * <br>Should not be null
	 * <br>Input-output
	 * @param timeout in milliseconds
	 * <br>Range: {@code [0 .. Long.MAX_VALUE]}
	 */
	public static final void waitUntilExecutorIsReady(final Executor executor, final long timeout) {
		try {
			final Semaphore semaphore = new Semaphore(0);
			
			executor.execute(new Runnable() {
				
				@Override
				public final void run() {
					semaphore.release();
				}
				
			});
			
			assertTrue(semaphore.tryAcquire(timeout, TimeUnit.MILLISECONDS));
		} catch (final InterruptedException exception) {
			exception.printStackTrace();
		}
	}
	
}