/*
* Copyright (C) 2012 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.crsh.stream;
import org.crsh.AbstractTestCase;
import java.io.IOException;
import java.util.Arrays;
import java.util.LinkedList;
/** @author Julien Viet */
public class ProducerTestCase extends AbstractTestCase {
static class ConsumerImpl<C> extends LinkedList<C> implements Consumer<C> {
/** . */
private final Class<C> type;
ConsumerImpl(Class<C> type) {
this.type = type;
}
public Class<C> getConsumedType() {
return type;
}
public void provide(C element) throws IOException {
add(element);
}
public void flush() throws IOException {
throw new UnsupportedOperationException();
}
}
static class ProducerImpl<P, C extends Consumer<? super P>> implements Producer<P, C> {
/** . */
private final Class<P> type;
/** . */
private C consumer;
ProducerImpl(Class<P> type) {
this.type = type;
this.consumer = null;
}
public Class<P> getProducedType() {
return type;
}
public void open(C consumer) {
this.consumer = consumer;
}
public void provide(P product) throws Exception {
consumer.provide(product);
}
public void close() throws IOException {
throw new UnsupportedOperationException();
}
}
public void testSuperType() throws Exception {
Consumer<Object> consumer = new ConsumerImpl<Object>(Object.class);
ProducerImpl<String, Consumer<Object>> producer = new ProducerImpl<String, Consumer<Object>>(String.class);
producer.open(consumer);
producer.provide("foo");
assertEquals(Arrays.<Object>asList("foo"), consumer);
}
public void testSameType() throws Exception {
Consumer<String> consumer = new ConsumerImpl<String>(String.class);
ProducerImpl<String, Consumer<String>> producer = new ProducerImpl<String, Consumer<String>>(String.class);
producer.open(consumer);
producer.provide("foo");
assertEquals(Arrays.<Object>asList("foo"), consumer);
}
}