| /* |
| * 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.ja; |
| |
| import java.io.IOException; |
| import java.util.Random; |
| 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.ja.JapaneseTokenizer.Mode; |
| import org.apache.lucene.analysis.tokenattributes.CharTermAttribute; |
| import org.apache.lucene.util.TestUtil; |
| import org.apache.lucene.util.UnicodeUtil; |
| |
| public class TestExtendedMode extends BaseTokenStreamTestCase { |
| private Analyzer analyzer; |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| analyzer = |
| new Analyzer() { |
| @Override |
| protected TokenStreamComponents createComponents(String fieldName) { |
| Tokenizer tokenizer = |
| new JapaneseTokenizer(newAttributeFactory(), null, true, Mode.EXTENDED); |
| return new TokenStreamComponents(tokenizer, tokenizer); |
| } |
| }; |
| } |
| |
| @Override |
| public void tearDown() throws Exception { |
| analyzer.close(); |
| super.tearDown(); |
| } |
| |
| /** 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(500); |
| for (int i = 0; i < numIterations; i++) { |
| String s = TestUtil.randomUnicodeString(random(), 100); |
| try (TokenStream ts = analyzer.tokenStream("foo", s)) { |
| CharTermAttribute termAtt = ts.addAttribute(CharTermAttribute.class); |
| ts.reset(); |
| while (ts.incrementToken()) { |
| assertTrue(UnicodeUtil.validUTF16String(termAtt)); |
| } |
| ts.end(); |
| } |
| } |
| } |
| |
| /** blast some random strings through the analyzer */ |
| public void testRandomStrings() throws Exception { |
| Random random = random(); |
| checkRandomData(random, analyzer, 100 * RANDOM_MULTIPLIER); |
| } |
| |
| /** blast some random large strings through the analyzer */ |
| public void testRandomHugeStrings() throws Exception { |
| Random random = random(); |
| checkRandomData(random, analyzer, RANDOM_MULTIPLIER, 4096); |
| } |
| |
| @Nightly |
| public void testRandomHugeStringsAtNight() throws Exception { |
| Random random = random(); |
| checkRandomData(random, analyzer, 3 * RANDOM_MULTIPLIER, 8192); |
| } |
| } |