| package org.apache.lucene.analysis.kuromoji; |
| |
| /** |
| * 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 java.io.IOException; |
| import java.io.Reader; |
| import java.io.StringReader; |
| |
| import org.apache.lucene.analysis.Analyzer; |
| import org.apache.lucene.analysis.BaseTokenStreamTestCase; |
| import org.apache.lucene.analysis.TokenStream; |
| import org.apache.lucene.analysis.Tokenizer; |
| import org.apache.lucene.analysis.kuromoji.KuromojiTokenizer.Mode; |
| import org.apache.lucene.analysis.tokenattributes.CharTermAttribute; |
| import org.apache.lucene.util.UnicodeUtil; |
| import org.apache.lucene.util._TestUtil; |
| |
| public class TestExtendedMode extends BaseTokenStreamTestCase { |
| private final Analyzer analyzer = new Analyzer() { |
| |
| @Override |
| protected TokenStreamComponents createComponents(String fieldName, Reader reader) { |
| Tokenizer tokenizer = new KuromojiTokenizer(reader, null, true, Mode.EXTENDED); |
| return new TokenStreamComponents(tokenizer, tokenizer); |
| } |
| }; |
| |
| /** simple test for supplementary characters */ |
| public void testSurrogates() throws IOException { |
| assertAnalyzesTo(analyzer, "𩬅艱鍟䇹愯瀛", |
| new String[] { "𩬅", "艱", "鍟", "䇹", "愯", "瀛" }); |
| } |
| |
| /** random test ensuring we don't ever split supplementaries */ |
| public void testSurrogates2() throws IOException { |
| int numIterations = atLeast(10000); |
| for (int i = 0; i < numIterations; i++) { |
| String s = _TestUtil.randomUnicodeString(random, 100); |
| TokenStream ts = analyzer.tokenStream("foo", new StringReader(s)); |
| CharTermAttribute termAtt = ts.addAttribute(CharTermAttribute.class); |
| ts.reset(); |
| while (ts.incrementToken()) { |
| assertTrue(UnicodeUtil.validUTF16String(termAtt)); |
| } |
| } |
| } |
| } |