t.Helper()
	if !fi.IsDir() {
		t.Errorf("%q should be a directory", path)
	}
	if fi.Mode()&fs.ModeSymlink != 0 {
		t.Errorf("%q should not be a symlink", path)
	}
}

// testIsSymlink verifies that fi refers to symlink.
func testIsSymlink(t *testing.T, path string, fi fs.FileInfo) {
	t.Helper()
	if fi.IsDir() {
		t.Errorf("%q should not be a directory", path)
	}

		return bytealg.CompareString(a.Name(), b.Name())
	})
	return list, err
}

// dirInfo is a DirEntry based on a FileInfo.
type dirInfo struct {
	fileInfo FileInfo
}

func (di dirInfo) IsDir() bool {
	return di.fileInfo.IsDir()
}

func (di dirInfo) Type() FileMode {
	return di.fileInfo.Mode().Type()
}

func (di dirInfo) Info() (FileInfo, error) {
	return di.fileInfo, nil
}

	}
	return names, dirents, infos, nil
}

type dirEntry struct {
	fs *fileStat
}

func (de dirEntry) Name() string            { return de.fs.Name() }
func (de dirEntry) IsDir() bool             { return de.fs.IsDir() }
func (de dirEntry) Type() FileMode          { return de.fs.Mode().Type() }
func (de dirEntry) Info() (FileInfo, error) { return de.fs, nil }

func (de dirEntry) String() string {

			// Install cross-compiled binaries to subdirectories of bin.
			elem = full
		}
		if p.Internal.Build.BinDir == "" && cfg.ModulesEnabled {
			p.Internal.Build.BinDir = modload.BinDir()
		}
		if p.Internal.Build.BinDir != "" {
			// Install to GOBIN or bin of GOPATH entry.
			p.Target = filepath.Join(p.Internal.Build.BinDir, elem)
			if !p.Goroot && strings.Contains(elem, string(filepath.Separator)) && cfg.GOBIN != "" {

// and returns nil.
func MkdirAll(path string, perm FileMode) error {
	// Fast path: if we can tell whether path is a directory or file, stop with success or error.
	dir, err := Stat(path)
	if err == nil {
		if dir.IsDir() {
			return nil
		}
		return &PathError{Op: "mkdir", Path: path, Err: syscall.ENOTDIR}
	}

	// Slow path: make sure parent exists and then call Mkdir for path.

	ModeType = fs.ModeType

	ModePerm = fs.ModePerm // Unix permission bits, 0o777
)

func (fs *fileStat) Name() string { return fs.name }
func (fs *fileStat) IsDir() bool  { return fs.Mode().IsDir() }

// SameFile reports whether fi1 and fi2 describe the same file.
// For example, on Unix this means that the device and inode fields
// of the two underlying structures are identical; on other systems

	if err != nil {
		t.Fatalf("ReadDir %s: %v", dirname, err)
	}

	foundFile := false
	foundSubDir := false
	for _, dir := range list {
		switch {
		case !dir.IsDir() && dir.Name() == "read_test.go":
			foundFile = true
		case dir.IsDir() && dir.Name() == "exec":
			foundSubDir = true
		}
	}
	if !foundFile {
		t.Fatalf("ReadDir %s: read_test.go file not found", dirname)
	}
	if !foundSubDir {

	if err := walkDirFn(path, d, nil); err != nil || !d.IsDir() {
		if err == SkipDir && d.IsDir() {
			// Successfully skipped directory.
			err = nil
		}
		return err
	}

	dirs, err := os.ReadDir(path)
	if err != nil {
		// Second call, to report ReadDir error.
		err = walkDirFn(path, d, err)
		if err != nil {
			if err == SkipDir && d.IsDir() {
				err = nil
			}
			return err
		}
	}

        then:
        0 * delegateAction._
    }

    private FileCopyDetailsInternal file(final String path, final boolean isDir, final boolean includeEmptyDirs) {
        return Stub(FileCopyDetailsInternal) {
            getRelativePath() >> RelativePath.parse(false, path)
            isDirectory() >> isDir
            isIncludeEmptyDirs() >> includeEmptyDirs
        }
    }

	Stat() (fs.FileInfo, error)
}

type anyDirs interface {
	len() int
	name(i int) string
	isDir(i int) bool
}

type fileInfoDirs []fs.FileInfo

func (d fileInfoDirs) len() int          { return len(d) }
func (d fileInfoDirs) isDir(i int) bool  { return d[i].IsDir() }
func (d fileInfoDirs) name(i int) string { return d[i].Name() }

type dirEntryDirs []fs.DirEntry