| package org.apache.lucene.search; |
| |
| /** |
| * Copyright 2004 The Apache Software Foundation |
| * |
| * Licensed 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 junit.framework.TestCase; |
| |
| import java.util.Vector; |
| |
| import org.apache.lucene.index.Term; |
| 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; |
| |
| /** Similarity unit test. |
| * |
| * @author Doug Cutting |
| * @version $Revision$ |
| */ |
| public class TestNot extends TestCase { |
| public TestNot(String name) { |
| super(name); |
| } |
| |
| public void testNot() throws Exception { |
| RAMDirectory store = new RAMDirectory(); |
| IndexWriter writer = new IndexWriter(store, new SimpleAnalyzer(), true); |
| |
| Document d1 = new Document(); |
| d1.add(Field.Text("field", "a b")); |
| |
| writer.addDocument(d1); |
| writer.optimize(); |
| writer.close(); |
| |
| Searcher searcher = new IndexSearcher(store); |
| Query query = QueryParser.parse("a NOT b", "field", new SimpleAnalyzer()); |
| //System.out.println(query); |
| Hits hits = searcher.search(query); |
| assertEquals(0, hits.length()); |
| } |
| } |