package org.apache.lucene.index; /** * 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.document.Document; import org.apache.lucene.store.Directory; import org.apache.lucene.store.IndexOutput; import org.apache.lucene.util.LuceneTestCase; public class TestAllZerosSegmentsFile extends LuceneTestCase { public void test() throws Exception { Directory dir = newDirectory(); RandomIndexWriter w = new RandomIndexWriter(random, dir); w.addDocument(new Document()); w.close(); String nextSegmentsFile = IndexFileNames.fileNameFromGeneration(IndexFileNames.SEGMENTS, "", SegmentInfos.getCurrentSegmentGeneration(dir)+1); IndexOutput out = dir.createOutput(nextSegmentsFile); for(int idx=0;idx<8;idx++) { out.writeByte((byte) 0); } out.close(); IndexReader r= IndexReader.open(dir,true); assertEquals(r.numDocs(), 1); r.close(); dir.close(); } }