| /* |
| * 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.miscellaneous; |
| |
| import org.apache.lucene.analysis.Analyzer; |
| import org.apache.lucene.analysis.BaseTokenStreamTestCase; |
| import org.apache.lucene.analysis.MockTokenizer; |
| import org.apache.lucene.analysis.TokenStream; |
| import org.apache.lucene.analysis.Tokenizer; |
| import org.apache.lucene.analysis.core.KeywordTokenizer; |
| |
| public class TestScandinavianFoldingFilter extends BaseTokenStreamTestCase { |
| private Analyzer analyzer; |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| analyzer = |
| new Analyzer() { |
| @Override |
| protected TokenStreamComponents createComponents(String field) { |
| final Tokenizer tokenizer = new MockTokenizer(MockTokenizer.WHITESPACE, false); |
| final TokenStream stream = new ScandinavianFoldingFilter(tokenizer); |
| return new TokenStreamComponents(tokenizer, stream); |
| } |
| }; |
| } |
| |
| @Override |
| public void tearDown() throws Exception { |
| analyzer.close(); |
| super.tearDown(); |
| } |
| |
| public void test() throws Exception { |
| |
| checkOneTerm(analyzer, "aeäaeeea", "aaaeea"); // should not cause ArrayOutOfBoundsException |
| |
| checkOneTerm(analyzer, "aeäaeeeae", "aaaeea"); |
| checkOneTerm(analyzer, "aeaeeeae", "aaeea"); |
| |
| checkOneTerm(analyzer, "bøen", "boen"); |
| checkOneTerm(analyzer, "åene", "aene"); |
| |
| checkOneTerm(analyzer, "blåbærsyltetøj", "blabarsyltetoj"); |
| checkOneTerm(analyzer, "blaabaarsyltetoej", "blabarsyltetoj"); |
| checkOneTerm(analyzer, "blåbärsyltetöj", "blabarsyltetoj"); |
| |
| checkOneTerm(analyzer, "raksmorgas", "raksmorgas"); |
| checkOneTerm(analyzer, "räksmörgås", "raksmorgas"); |
| checkOneTerm(analyzer, "ræksmørgås", "raksmorgas"); |
| checkOneTerm(analyzer, "raeksmoergaas", "raksmorgas"); |
| checkOneTerm(analyzer, "ræksmörgaos", "raksmorgas"); |
| |
| checkOneTerm(analyzer, "ab", "ab"); |
| checkOneTerm(analyzer, "ob", "ob"); |
| checkOneTerm(analyzer, "Ab", "Ab"); |
| checkOneTerm(analyzer, "Ob", "Ob"); |
| |
| checkOneTerm(analyzer, "å", "a"); |
| |
| checkOneTerm(analyzer, "aa", "a"); |
| checkOneTerm(analyzer, "aA", "a"); |
| checkOneTerm(analyzer, "ao", "a"); |
| checkOneTerm(analyzer, "aO", "a"); |
| |
| checkOneTerm(analyzer, "AA", "A"); |
| checkOneTerm(analyzer, "Aa", "A"); |
| checkOneTerm(analyzer, "Ao", "A"); |
| checkOneTerm(analyzer, "AO", "A"); |
| |
| checkOneTerm(analyzer, "æ", "a"); |
| checkOneTerm(analyzer, "ä", "a"); |
| |
| checkOneTerm(analyzer, "Æ", "A"); |
| checkOneTerm(analyzer, "Ä", "A"); |
| |
| checkOneTerm(analyzer, "ae", "a"); |
| checkOneTerm(analyzer, "aE", "a"); |
| |
| checkOneTerm(analyzer, "Ae", "A"); |
| checkOneTerm(analyzer, "AE", "A"); |
| |
| checkOneTerm(analyzer, "ö", "o"); |
| checkOneTerm(analyzer, "ø", "o"); |
| checkOneTerm(analyzer, "Ö", "O"); |
| checkOneTerm(analyzer, "Ø", "O"); |
| |
| checkOneTerm(analyzer, "oo", "o"); |
| checkOneTerm(analyzer, "oe", "o"); |
| checkOneTerm(analyzer, "oO", "o"); |
| checkOneTerm(analyzer, "oE", "o"); |
| |
| checkOneTerm(analyzer, "Oo", "O"); |
| checkOneTerm(analyzer, "Oe", "O"); |
| checkOneTerm(analyzer, "OO", "O"); |
| checkOneTerm(analyzer, "OE", "O"); |
| } |
| |
| /** check that the empty string doesn't cause issues */ |
| public void testEmptyTerm() throws Exception { |
| Analyzer a = |
| new Analyzer() { |
| @Override |
| protected TokenStreamComponents createComponents(String fieldName) { |
| Tokenizer tokenizer = new KeywordTokenizer(); |
| return new TokenStreamComponents(tokenizer, new ScandinavianFoldingFilter(tokenizer)); |
| } |
| }; |
| checkOneTerm(a, "", ""); |
| a.close(); |
| } |
| |
| /** blast some random strings through the analyzer */ |
| public void testRandomData() throws Exception { |
| checkRandomData(random(), analyzer, 200 * RANDOM_MULTIPLIER); |
| } |
| } |