disks = er.getOnlineDisks()
		}
	}

	for _, disk = range disks {
		if disk == nil {
			continue
		}
		if !disk.IsOnline() {
			continue
		}
		uploadIDs, err = disk.ListDir(ctx, bucket, minioMetaMultipartBucket, er.getMultipartSHADir(bucket, object), -1)
		if err != nil {
			if errors.Is(err, errDiskNotFound) {
				continue
			}
			if errors.Is(err, errFileNotFound) {

		t.Errorf("Expected to fail with \"%s\", but instead failed with \"%s\"", errDiskNotFound, err)
	}
}

// TestXLStorageListDir -  TestXLStorages validate the directory listing functionality provided by xlStorage.ListDir .
func TestXLStorageListDir(t *testing.T) {
	// create xlStorage test setup
	xlStorage, _, err := newXLStorageTestSetup(t)
	if err != nil {
		t.Fatalf("Unable to create xlStorage test setup, %s", err)
	}

	g := errgroup.WithNErrs(len(storageDisks))
	for index, disk := range storageDisks {
		if disk == nil {
			continue
		}
		index := index
		g.Go(func() error {
			entries, err := storageDisks[index].ListDir(ctx, "", bucket, prefix, 1)
			if err != nil {
				return err
			}
			if len(entries) > 0 {
				return errVolumeNotEmpty
			}
			return nil
		}, index)
	}

	return g.Wait()
}

	for index := range storageDisks {
		index := index
		g.Go(func() error {
			if storageDisks[index] == nil {
				// we ignore disk not found errors
				return nil
			}
			volsInfo, err := storageDisks[index].ListDir(ctx, "", minioMetaBucket, pathJoin(bucketMetaPrefix, deletedBucketsPrefix), -1)
			if err != nil {
				if errors.Is(err, errFileNotFound) {
					return nil
				}
				return err
			}

		case isSysErrIO(err):
			return errFaultyDisk
		default:
			return err
		}
	}
	return nil
}

// ListDir - return all the entries at the given directory path.
// If an entry is a directory it will be returned with a trailing SlashSeparator.
func (s *xlStorage) ListDir(ctx context.Context, origvolume, volume, dirPath string, count int) (entries []string, err error) {
	if contextCanceled(ctx) {

	origvolume := params.Get(storageRESTOrigVolume)
	count, err := strconv.Atoi(params.Get(storageRESTCount))
	if err != nil {
		return grid.NewRemoteErr(err)
	}

	entries, err := s.getStorage().ListDir(ctx, origvolume, volume, dirPath, count)
	if err != nil {
		return grid.NewRemoteErr(err)
	}
	out <- &ListDirResult{Entries: entries}
	return nil
}

// DeleteFileHandler - delete a file.

			t.Fatalf("%s : %s", instanceType, err.Error())
		}
	}

	erasureDisks := er.getDisks()
	uploadIDPath := er.getUploadIDDir(bucketNames[0], objectNames[0], uploadIDs[0])
	dataDirs, err := erasureDisks[0].ListDir(context.Background(), minioMetaMultipartBucket, minioMetaMultipartBucket, uploadIDPath, -1)
	if err != nil {
		t.Fatalf("%s : %s", instanceType, err.Error())
	}

	var dataDir string

	var wg sync.WaitGroup
	wg.Add(1)
	var listErr error

	go func(o listPathOptions) {
		defer wg.Done()
		o.StopDiskAtLimit = true
		listErr = z.listMerged(listCtx, o, filterCh)
		o.debugln("listMerged returned with", listErr)
	}(*o)

	entries, err = filteredResults()
	cancelList()
	wg.Wait()
	if listErr != nil && !errors.Is(listErr, context.Canceled) {
		return entries, listErr
	}

			err = ErrAlreadyLocked
		}
		return nil, err
	}

	st, err := os.Stat(path)
	if err != nil {
		f.Close()
		return nil, err
	}

	if st.IsDir() {
		f.Close()
		return nil, &os.PathError{
			Op:   "open",
			Path: path,
			Err:  syscall.EISDIR,
		}
	}

	return &LockedFile{f}, nil
}

// TryLockedOpenFile - tries a new write lock, functionality

public class DictionaryManagerTest extends UnitFessTestCase {
    private File testDir;

    private File file1;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        testDir = File.createTempFile("synonymtest", "_dir");
        testDir.delete();
        testDir.mkdirs();
        file1 = new File(testDir, "synonym.txt");