func BenchmarkMarshalMsgBaseOptions(b *testing.B) {
	v := BaseOptions{}
	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		v.MarshalMsg(nil)
	}
}

func BenchmarkAppendMsgBaseOptions(b *testing.B) {
	v := BaseOptions{}
	bts := make([]byte, 0, v.Msgsize())
	bts, _ = v.MarshalMsg(bts[0:0])
	b.SetBytes(int64(len(bts)))
	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {

	r := strings.NewReader("       foo       foo        42        42        42        42        42        42        42        42       4.2       4.2       4.2       4.2\n")
	buf := NewReader(r)
	b.ReportAllocs()
	for i := 0; i < b.N; i++ {
		r.Seek(0, io.SeekStart)
		buf.Reset(r)

		_, err := buf.ReadString('\n')
		if err != nil {
			b.Fatal(err)
		}
	}
}

		desc := fmt.Sprintf("%q %q %q %d", tt.in, tt.old, tt.new, tt.n)
		var (
			in  = []byte(tt.in)
			old = []byte(tt.old)
			new = []byte(tt.new)
		)
		b.Run(desc, func(b *testing.B) {
			b.ReportAllocs()
			for b.Loop() {
				Replace(in, old, new, tt.n)
			}
		})
	}
}

type TitleTest struct {
	in, out string
}

var TitleTests = []TitleTest{
	{"", ""},