package org.apache.lucene.search;
/**
* 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 org.apache.lucene.util.LuceneTestCase;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.queryParser.QueryParser;
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.analysis.SimpleAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.util.Version;
/** Similarity unit test.
*
*
* @version $Revision: 829206 $
*/
public class TestNot extends LuceneTestCase {
public TestNot(String name) {
super(name);
}
public void testNot() throws Exception {
RAMDirectory store = new RAMDirectory();
IndexWriter writer = new IndexWriter(store, new SimpleAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
Document d1 = new Document();
d1.add(new Field("field", "a b", Field.Store.YES, Field.Index.ANALYZED));
writer.addDocument(d1);
writer.optimize();
writer.close();
Searcher searcher = new IndexSearcher(store, true);
QueryParser parser = new QueryParser(Version.LUCENE_CURRENT, "field", new SimpleAnalyzer());
Query query = parser.parse("a NOT b");
//System.out.println(query);
ScoreDoc[] hits = searcher.search(query, null, 1000).scoreDocs;
assertEquals(0, hits.length);
}
}