/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.lucene.analysis.tokenattributes;
import org.apache.lucene.util.AttributeImpl;
import org.apache.lucene.util.BytesRef;
import org.apache.lucene.util.LuceneTestCase;
public class TestBytesRefAttImpl extends LuceneTestCase {
public void testCopyTo() throws Exception {
BytesTermAttributeImpl t = new BytesTermAttributeImpl();
BytesTermAttributeImpl copy = assertCopyIsEqual(t);
// first do empty
assertEquals(t.getBytesRef(), copy.getBytesRef());
assertNull(copy.getBytesRef());
// now after setting it
t.setBytesRef(new BytesRef("hello"));
copy = assertCopyIsEqual(t);
assertEquals(t.getBytesRef(), copy.getBytesRef());
assertNotSame(t.getBytesRef(), copy.getBytesRef());
}
public static <T extends AttributeImpl> T assertCopyIsEqual(T att) throws Exception {
@SuppressWarnings("unchecked")
T copy = (T) att.getClass().newInstance();
att.copyTo(copy);
assertEquals("Copied instance must be equal", att, copy);
assertEquals("Copied instance's hashcode must be equal", att.hashCode(), copy.hashCode());
return copy;
}
}