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