{"binary _", "{{print 0b_1_0_1}}", "5", tVal, true},
	{"BINARY", "{{print 0B101}}", "5", tVal, true},
	{"octal0", "{{print 0377}}", "255", tVal, true},
	{"octal", "{{print 0o377}}", "255", tVal, true},
	{"octal _", "{{print 0o_3_7_7}}", "255", tVal, true},
	{"OCTAL", "{{print 0O377}}", "255", tVal, true},
	{"hex", "{{print 0x123}}", "291", tVal, true},
	{"hex _", "{{print 0x1_23}}", "291", tVal, true},

	{"binary _", "{{print 0b_1_0_1}}", "5", tVal, true},
	{"BINARY", "{{print 0B101}}", "5", tVal, true},
	{"octal0", "{{print 0377}}", "255", tVal, true},
	{"octal", "{{print 0o377}}", "255", tVal, true},
	{"octal _", "{{print 0o_3_7_7}}", "255", tVal, true},
	{"OCTAL", "{{print 0O377}}", "255", tVal, true},
	{"hex", "{{print 0x123}}", "291", tVal, true},
	{"hex _", "{{print 0x1_23}}", "291", tVal, true},

		t.Fatal("Unexpected error", err)
	}

	if err = mkdirAll(pathJoin(path, "success-vol", "success-object"), 0o777, ""); err != nil {
		t.Fatal("Unexpected error", err)
	}
}

// Tests - renameAll()
func TestOSRenameAll(t *testing.T) {
	// create xlStorage test setup

//
// <watchDir>/data1/test.conf
func newSymlinkedWatchFile(t *testing.T) (string, string) {
	g := NewGomegaWithT(t)

	watchDir := t.TempDir()

	dataDir1 := path.Join(watchDir, "data1")
	err := os.Mkdir(dataDir1, 0o777)
	g.Expect(err).NotTo(HaveOccurred())

	realTestFile := path.Join(dataDir1, "test.conf")
	t.Logf("Real test file location: %s\n", realTestFile)
	err = os.WriteFile(realTestFile, []byte("foo: bar\n"), 0o640)

	// Mask for the type bits. For regular files, none will be set.
	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.

// syscall.ENOENT (parent does not exist).
func reliableRename(srcFilePath, dstFilePath, baseDir string) (err error) {
	if err = reliableMkdirAll(path.Dir(dstFilePath), 0o777, baseDir); err != nil {
		return err
	}

	i := 0
	for {
		// After a successful parent directory create attempt a renameAll.
		if err = Rename(srcFilePath, dstFilePath); err != nil {

	dir2 := slashpath.Join(tmp, "file")
	err := os.WriteFile(dir2, []byte("hello"), 0o777)
	if err != nil {
		t.Fatal(err)
	}

	if isDirEmpty(dir2, true) {
		t.Error("expected false for a file, got true")
	}

	// Should give true for a real empty directory.
	dir3 := slashpath.Join(tmp, "empty")
	err = os.Mkdir(dir3, 0o777)
	if err != nil {
		t.Fatal(err)
	}

	if !isDirEmpty(dir3, true) {

func installExe(t *testing.T, dstPath string) {
	src, err := os.Open(exePath(t))
	if err != nil {
		t.Fatal(err)
	}
	defer src.Close()

	dst, err := os.OpenFile(dstPath, os.O_CREATE|os.O_EXCL|os.O_WRONLY, 0o777)
	if err != nil {
		t.Fatal(err)
	}
	defer func() {
		if err := dst.Close(); err != nil {
			t.Fatal(err)
		}
	}()

	_, err = io.Copy(dst, src)
	if err != nil {
		t.Fatal(err)
	}
}

	uuid := mustGetUUID()
	filePath := pathJoin(s.drivePath, minioMetaTmpDeletedBucket, ".writable-check-"+uuid+".tmp")

	// Create top level directories if they don't exist.
	// with mode 0o777 mkdir honors system umask.
	mkdirAll(pathutil.Dir(filePath), 0o777, s.drivePath) // don't need to fail here

	w, err := s.openFileDirect(filePath, os.O_CREATE|os.O_WRONLY|os.O_EXCL)
	if err != nil {
		return err
	}
	_, err = w.Write(alignedBuf)

			pathJoin(diskPath, minioMetaTmpBucket),
			tmpOld,
			osErrToFileErr(err)))
	}

	if err := mkdirAll(pathJoin(diskPath, minioMetaTmpDeletedBucket), 0o777, diskPath); err != nil {
		storageLogIf(GlobalContext, fmt.Errorf("unable to create (%s) %w, drive may be faulty, please investigate",
			pathJoin(diskPath, minioMetaTmpBucket),
			err))
	}