for _, s := range []string{fpath, path + "/zzz"} {
			if _, err = Lstat(s); err == nil {
				t.Fatalf("Lstat %q succeeded after partial RemoveAll", s)
			}
		}
	}
	if err = RemoveAll(path); err != nil {
		t.Fatalf("RemoveAll %q after partial RemoveAll: %s", path, err)
	}
	if _, err = Lstat(path); err == nil {
		t.Fatalf("Lstat %q succeeded after RemoveAll (final)", path)
	}
}

// On other cases, return false with error from Lstat().
func (v VolumePathHandler) IsSymlinkExist(mapPath string) (bool, error) {
	fi, err := os.Lstat(mapPath)
	if err != nil {
		// If file doesn't exist, return false and no error
		if os.IsNotExist(err) {
			return false, nil
		}
		// Return error from Lstat()
		return false, fmt.Errorf("failed to Lstat file %s: %v", mapPath, err)
	}

	Trace("Walk", root)
	info, err := Lstat(root)
	if err != nil {
		err = walkFn(root, nil, err)
	} else {
		err = walk(root, info, walkFn)
	}
	if err == filepath.SkipDir {
		return nil
	}
	return err
}

// Lstat implements a version of os.Lstat that operates on the overlay filesystem.
func Lstat(path string) (fs.FileInfo, error) {
	Trace("Lstat", path)
	return overlayStat(path, os.Lstat, "lstat")

			tmpDir, err := utiltesting.MkTmpdir("volume_linux_test")
			if err != nil {
				t.Fatalf("error creating temp dir: %v", err)
			}

			defer os.RemoveAll(tmpDir)

			info, err := os.Lstat(tmpDir)
			if err != nil {
				t.Fatalf("error reading permission of tmpdir: %v", err)
			}

			stat, ok := info.Sys().(*syscall.Stat_t)
			if !ok || stat == nil {

//
// Walk calls the function with a non-nil err argument in two cases.
//
// First, if an [os.Lstat] on the root directory or any directory or file
// in the tree fails, Walk calls the function with path set to that
// directory or file's path, info set to nil, and err set to the error
// from os.Lstat.
//
// Second, if a directory's Readdirnames method fails, Walk calls the

			break
		}
		fileHandles = append(fileHandles, handle)

		// make sure intermediate subPath directory does not contain symlink any more
		stat, err := os.Lstat(currentFullPath)
		if err != nil {
			errorResult = fmt.Errorf("Lstat(%q) error: %v", currentFullPath, err)
			break
		}
		if stat.Mode()&os.ModeSymlink != 0 {

type File interface {
	// Path returns a clean slash-separated relative path from the module root
	// directory to the file.
	Path() string

	// Lstat returns information about the file. If the file is a symbolic link,
	// Lstat returns information about the link itself, not the file it points to.
	Lstat() (os.FileInfo, error)

	// Open provides access to the data within a regular file. Open may return

			initOverlay(t, tc.overlay)
			got, err := Lstat(tc.path)
			if tc.wantErr {
				if err == nil {
					t.Errorf("lstat(%q): got no error, want error", tc.path)
				}
				return
			}
			if err != nil {
				t.Fatalf("lstat(%q): got error %v, want no error", tc.path, err)
			}
			if got.Name() != tc.want.name {
				t.Errorf("lstat(%q).Name(): got %q, want %q", tc.path, got.Name(), tc.want.name)
			}

func checkUidGid(t *testing.T, path string, uid, gid int) {
	dir, err := Lstat(path)
	if err != nil {
		t.Fatalf("Lstat %q (looking for uid/gid %d/%d): %s", path, uid, gid, err)
	}
	sys := dir.Sys().(*syscall.Stat_t)
	if int(sys.Uid) != uid {
		t.Errorf("Lstat %q: uid %d want %d", path, sys.Uid, uid)
	}
	if int(sys.Gid) != gid {
		t.Errorf("Lstat %q: gid %d want %d", path, sys.Gid, gid)
	}
}

func TestChown(t *testing.T) {

    void allowInit() {
        expectations << new SftpAllow(SftpConstants.SSH_FXP_INIT)
    }

    void expectLstat(String path) {
        expectations << new SftpExpectOnePath(SftpConstants.SSH_FXP_LSTAT, "LSTAT", path)
    }

    void expectMetadataRetrieve(String path) {
        expectLstat(path)
    }

    void expectOpen(String path) {