}
	}
}

func TestGlobError(t *testing.T) {
	bad := []string{`[]`, `nonexist/[]`}
	for _, pattern := range bad {
		_, err := Glob(os.DirFS("."), pattern)
		if err != path.ErrBadPattern {
			t.Errorf("Glob(fs, %#q) returned err=%v, want path.ErrBadPattern", pattern, err)
		}
	}
}

func TestCVE202230630(t *testing.T) {
	// Prior to CVE-2022-30630, a stack exhaustion would occur given a large

	{"[]a]", "]", false, ErrBadPattern},
	{"[-]", "-", false, ErrBadPattern},
	{"[x-]", "x", false, ErrBadPattern},
	{"[x-]", "-", false, ErrBadPattern},
	{"[x-]", "z", false, ErrBadPattern},
	{"[-x]", "x", false, ErrBadPattern},
	{"[-x]", "-", false, ErrBadPattern},
	{"[-x]", "a", false, ErrBadPattern},
	{"\\", "a", false, ErrBadPattern},
	{"[a-b-c]", "a", false, ErrBadPattern},
	{"[", "a", false, ErrBadPattern},

	if len(chunk) == 0 || chunk[0] == '-' || chunk[0] == ']' {
		err = ErrBadPattern
		return
	}
	if chunk[0] == '\\' && runtime.GOOS != "windows" {
		chunk = chunk[1:]
		if len(chunk) == 0 {
			err = ErrBadPattern
			return
		}
	}
	r, n := utf8.DecodeRuneInString(chunk)
	if r == utf8.RuneError && n == 1 {
		err = ErrBadPattern
	}
	nchunk = chunk[n:]
	if len(nchunk) == 0 {
		err = ErrBadPattern