/*
 * 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.index;

import org.apache.lucene.codecs.CompoundFormat;
import org.apache.lucene.document.Document;
import org.apache.lucene.store.Directory;
import org.apache.lucene.tests.util.LuceneTestCase;

public class TestCompoundFormatRecipeScope extends LuceneTestCase {

  public void testRecipeOnOneConfigDoesNotChangeAnotherWriter() throws Exception {
    CompoundFormat cfs = new IndexWriterConfig().getCodec().compoundFormat();
    cfs.setShouldUseCompoundFile(false);
    try (Directory dir = newDirectory()) {
      try (IndexWriter w = new IndexWriter(dir, new IndexWriterConfig())) {
        w.addDocument(new Document());
        w.flush();
        w.addDocument(new Document());
        w.forceMerge(1);
      }
      // expected: the other writer's tiny merged segment is compound; actual: it is not
      assertTrue(SegmentInfos.readLatestCommit(dir).info(0).info.getUseCompoundFile());
    } finally {
      cfs.setShouldUseCompoundFile(true);
    }
  }
}