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package org.apache.lucene.analysis.fr;
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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import java.io.IOException;
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import java.io.Reader;
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import org.apache.lucene.analysis.Analyzer;
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import org.apache.lucene.analysis.BaseTokenStreamTestCase;
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import org.apache.lucene.analysis.MockTokenizer;
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import org.apache.lucene.analysis.Tokenizer;
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import org.apache.lucene.analysis.ReusableAnalyzerBase;
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import static org.apache.lucene.analysis.VocabularyAssert.*;
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* Simple tests for {@link FrenchMinimalStemFilter}
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public class TestFrenchMinimalStemFilter extends BaseTokenStreamTestCase {
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private Analyzer analyzer = new ReusableAnalyzerBase() {
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protected TokenStreamComponents createComponents(String fieldName,
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Tokenizer source = new MockTokenizer(reader, MockTokenizer.WHITESPACE, false);
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return new TokenStreamComponents(source, new FrenchMinimalStemFilter(source));
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/** Test some examples from the paper */
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public void testExamples() throws IOException {
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checkOneTerm(analyzer, "chevaux", "cheval");
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checkOneTerm(analyzer, "hiboux", "hibou");
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checkOneTerm(analyzer, "chantés", "chant");
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checkOneTerm(analyzer, "chanter", "chant");
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checkOneTerm(analyzer, "chante", "chant");
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checkOneTerm(analyzer, "baronnes", "baron");
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checkOneTerm(analyzer, "barons", "baron");
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checkOneTerm(analyzer, "baron", "baron");
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/** Test against a vocabulary from the reference impl */
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public void testVocabulary() throws IOException {
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assertVocabulary(analyzer, getDataFile("frminimaltestdata.zip"), "frminimal.txt");
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/** blast some random strings through the analyzer */
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public void testRandomStrings() throws Exception {
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checkRandomData(random, analyzer, 10000*RANDOM_MULTIPLIER);