package org.apache.lucene.analysis.miscellaneous;
/**
* 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.
*/
import org.apache.lucene.analysis.*;
import org.apache.lucene.analysis.core.WhitespaceTokenizer;
import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
import java.io.StringReader;
public class TestLengthFilter extends BaseTokenStreamTestCase {
public void testFilter() throws Exception {
TokenStream stream = new WhitespaceTokenizer(TEST_VERSION_CURRENT,
new StringReader("short toolong evenmuchlongertext a ab toolong foo"));
LengthFilter filter = new LengthFilter(stream, 2, 6);
CharTermAttribute termAtt = filter.getAttribute(CharTermAttribute.class);
assertTrue(filter.incrementToken());
assertEquals("short", termAtt.toString());
assertTrue(filter.incrementToken());
assertEquals("ab", termAtt.toString());
assertTrue(filter.incrementToken());
assertEquals("foo", termAtt.toString());
assertFalse(filter.incrementToken());
}
}