// Check non existent directory.
	if _, err := readDir("/tmp/non-existent-directory"); err != errFileNotFound {
		t.Fatalf("expected = %s, got: %s", errFileNotFound, err)
	}

	file := path.Join(os.TempDir(), "issue")
	if err := os.WriteFile(file, []byte(""), 0o644); err != nil {
		t.Fatal(err)
	}
	defer os.RemoveAll(file)

	// Check if file is given.
	if _, err := readDir(path.Join(file, "mydir")); err != errFileNotFound {

package json

import (
	"bytes"
	"io"
	"os"
	"path/filepath"
	"testing"

	"github.com/minio/minio/internal/s3select/sql"
)

func TestNewPReader(t *testing.T) {
	files, err := os.ReadDir("testdata")
	if err != nil {
		t.Fatal(err)
	}
	for _, file := range files {
		t.Run(file.Name(), func(t *testing.T) {
			f, err := os.Open(filepath.Join("testdata", file.Name()))
			if err != nil {

package json

import (
	"bytes"
	"io"
	"os"
	"path/filepath"
	"testing"

	"github.com/minio/minio/internal/s3select/sql"
)

func TestNewReader(t *testing.T) {
	files, err := os.ReadDir("testdata")
	if err != nil {
		t.Fatal(err)
	}
	for _, file := range files {
		t.Run(file.Name(), func(t *testing.T) {
			f, err := os.Open(filepath.Join("testdata", file.Name()))
			if err != nil {

func isDirEmpty(dirname string, legacy bool) bool {
	if legacy {
		// On filesystems such as btrfs, nfs this is not true, so fallback
		// to performing readdir() instead.
		entries, err := readDirN(dirname, 1)
		if err != nil {
			return false
		}
		return len(entries) == 0
	}
	var stat syscall.Stat_t
	if err := syscall.Stat(dirname, &stat); err != nil {
		return false
	}

		// slow, not worth repeating in -check
		t.Skip("skipping with -check set")
	}

	testenv.MustHaveGoBuild(t)

	td, err := os.Open("testdata/src/pkg")
	if err != nil {
		t.Fatal(err)
	}
	fis, err := td.Readdir(0)
	if err != nil {
		t.Fatal(err)
	}
	for _, fi := range fis {
		if !fi.IsDir() {
			continue
		}

		// TODO(gri) remove extra pkg directory eventually

// list will read all entries from disk.
// Entries are returned sorted by modtime, oldest first.
// Underlying entry list in store is *not* updated.
func (store *QueueStore[_]) list() ([]os.DirEntry, error) {
	files, err := os.ReadDir(store.directory)
	if err != nil {
		return nil, err
	}

	// Sort the entries.
	sort.Slice(files, func(i, j int) bool {
		ii, err := files[i].Info()
		if err != nil {
			return false
		}

func copyLocalDir(dst, src string) error {
	if err := os.Mkdir(dst, 0755); err != nil {
		return err
	}

	d, err := os.Open(src)
	if err != nil {
		return err
	}
	defer d.Close()
	fi, err := d.Readdir(-1)
	if err != nil {
		return err
	}

	for _, f := range fi {
		if f.IsDir() {
			if f.Name() == "testdata" {
				if err := cp(dst, filepath.Join(src, f.Name())); err != nil {
					return err

// the [ErrInsecurePath] error and use the returned reader.
func NewReader(r io.ReaderAt, size int64) (*Reader, error) {
	if size < 0 {
		return nil, errors.New("zip: size cannot be negative")
	}
	zr := new(Reader)
	var err error
	if err = zr.init(r, size); err != nil && err != ErrInsecurePath {
		return nil, err
	}
	return zr, err
}

func (r *Reader) init(rdr io.ReaderAt, size int64) error {

	// Limit the number of returned objects if > 0.
	Limit int

	// DiskID contains the disk ID of the disk.
	// Leave empty to not check disk ID.
	DiskID string
}

// supported FS for Nlink optimization in readdir.
const (
	xfs  = "XFS"
	ext4 = "EXT4"
)

// WalkDir will traverse a directory and return all entries found.
// On success a sorted meta cache stream will be returned.
// Metadata has data stripped, if any.

			mkdir(path, perm, callback) { callback(enosys()); },
			open(path, flags, mode, callback) { callback(enosys()); },
			read(fd, buffer, offset, length, position, callback) { callback(enosys()); },
			readdir(path, callback) { callback(enosys()); },
			readlink(path, callback) { callback(enosys()); },
			rename(from, to, callback) { callback(enosys()); },
			rmdir(path, callback) { callback(enosys()); },