| /* |
| * 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; |
| |
| |
| import java.io.IOException; |
| import java.io.Reader; |
| import java.io.StringReader; |
| |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| public class TestCharFilter extends LuceneTestCase { |
| |
| public void testCharFilter1() throws Exception { |
| CharFilter cs = new CharFilter1(new StringReader("")); |
| assertEquals("corrected offset is invalid", 1, cs.correctOffset(0)); |
| } |
| |
| public void testCharFilter2() throws Exception { |
| CharFilter cs = new CharFilter2(new StringReader("")); |
| assertEquals("corrected offset is invalid", 2, cs.correctOffset(0)); |
| } |
| |
| public void testCharFilter12() throws Exception { |
| CharFilter cs = new CharFilter2(new CharFilter1(new StringReader(""))); |
| assertEquals( "corrected offset is invalid", 3, cs.correctOffset(0)); |
| } |
| |
| public void testCharFilter11() throws Exception { |
| CharFilter cs = new CharFilter1(new CharFilter1(new StringReader(""))); |
| assertEquals( "corrected offset is invalid", 2, cs.correctOffset(0)); |
| } |
| |
| static class CharFilter1 extends CharFilter { |
| |
| protected CharFilter1(Reader in) { |
| super(in); |
| } |
| |
| @Override |
| public int read(char[] cbuf, int off, int len) throws IOException { |
| return input.read(cbuf, off, len); |
| } |
| |
| @Override |
| protected int correct(int currentOff) { |
| return currentOff + 1; |
| } |
| } |
| |
| static class CharFilter2 extends CharFilter { |
| |
| protected CharFilter2(Reader in) { |
| super(in); |
| } |
| |
| @Override |
| public int read(char[] cbuf, int off, int len) throws IOException { |
| return input.read(cbuf, off, len); |
| } |
| |
| @Override |
| protected int correct(int currentOff) { |
| return currentOff + 2; |
| } |
| } |
| } |