| /* |
| * 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 java.io.IOException; |
| |
| import org.apache.lucene.analysis.tokenattributes.TermToBytesRefAttribute; |
| import org.apache.lucene.analysis.BaseTokenStreamTestCase; |
| import org.apache.lucene.analysis.TokenStream; |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.Field; |
| import org.apache.lucene.document.StringField; |
| import org.apache.lucene.document.TextField; |
| import org.apache.lucene.index.IndexWriter; |
| import org.apache.lucene.store.Directory; |
| |
| public class TestEmptyTokenStream extends BaseTokenStreamTestCase { |
| |
| public void testConsume() throws IOException { |
| TokenStream ts = new EmptyTokenStream(); |
| ts.reset(); |
| assertFalse(ts.incrementToken()); |
| ts.end(); |
| ts.close(); |
| // try again with reuse: |
| ts.reset(); |
| assertFalse(ts.incrementToken()); |
| ts.end(); |
| ts.close(); |
| } |
| |
| public void testConsume2() throws IOException { |
| BaseTokenStreamTestCase.assertTokenStreamContents(new EmptyTokenStream(), new String[0]); |
| } |
| |
| public void testIndexWriter_LUCENE4656() throws IOException { |
| Directory directory = newDirectory(); |
| IndexWriter writer = new IndexWriter(directory, newIndexWriterConfig(null)); |
| |
| TokenStream ts = new EmptyTokenStream(); |
| assertFalse(ts.hasAttribute(TermToBytesRefAttribute.class)); |
| |
| Document doc = new Document(); |
| doc.add(new StringField("id", "0", Field.Store.YES)); |
| doc.add(new TextField("description", ts)); |
| |
| // this should not fail because we have no TermToBytesRefAttribute |
| writer.addDocument(doc); |
| |
| assertEquals(1, writer.getDocStats().numDocs); |
| |
| writer.close(); |
| directory.close(); |
| } |
| |
| } |