/*
    * Copyright (C) 2019, Google LLC and others
    *
    * This program and the accompanying materials are made available under the
    * terms of the Eclipse Distribution License v. 1.0 which is available at
    * https://www.eclipse.org/org/documents/edl-v10.php.
    *
    * SPDX-License-Identifier: BSD-3-Clause
    */
  package org.eclipse.jgit.revwalk;
  
  import static org.junit.Assert.assertNotNull;
  
  import org.eclipse.jgit.internal.storage.file.FileRepository;
  import org.eclipse.jgit.internal.storage.file.GC;
  import org.eclipse.jgit.junit.TestRepository;
  
  public class BitmappedReachabilityCheckerTest
  		extends ReachabilityCheckerTestCase {
  
  	@Override
  	protected ReachabilityChecker getChecker(
  			TestRepository<FileRepository> repository) throws Exception {
  		// GC generates the bitmaps
  		GC gc = new GC(repo.getRepository());
  		gc.setAuto(false);
  		gc.gc();
  
  		// This is null when the test didn't create any branch
  		assertNotNull("Probably the test didn't define any ref",
  				repo.getRevWalk().getObjectReader().getBitmapIndex());
  
  		return new BitmappedReachabilityChecker(repository.getRevWalk());
  	}
  
  }