NetworkTest.java

/**
 *     Copyright (c) 2013, Will Szumski
 *
 *     This file is part of formicidae.
 *
 *     formicidae 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.
 *
 *     formicidae 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 formicidae.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.cowboycoders.ant;

import org.junit.Test;

public class NetworkTest {
	
	// dummy exception which is thrown when the listener is called
	private static class ListenerCalledException extends RuntimeException {

		/**
		 * 
		 */
		private static final long serialVersionUID = 1L;
		
	}
	
	// throws ListenerCalledException when called
	private NetworkListener listener = new NetworkListener() {

		@Override
		public void onFree(Network network) {
			throw new ListenerCalledException();
			
		}
		
	};
	
	@Test (expected=ListenerCalledException.class)
	public void shouldNotifyListenerWhenAllReferencesHaveBeenFreed() {
		final int NUMBER_OF_HANDLES = 5;
		Network network = new Network(0,null,listener);
		for (int i =0 ; i < NUMBER_OF_HANDLES ; i++) {
			network.use();
		}
		
		// free all but last
		for (int i =0 ; i < NUMBER_OF_HANDLES -1 ; i++) {
			try {
				network.free();
			} catch (ListenerCalledException e){
				throw new RuntimeException("should not call listener yet");
			}
		}
		
		network.free();
		
		
	}

}