for rno, read := range readers {
		// Some input data that is longer than the minimum reader buffer size.
		const n = 10
		var buf bytes.Buffer
		for i := 0; i < n; i++ {
			buf.WriteString("abcdefg")
		}

		r := NewReaderSize(&buf, minReadBufferSize)
		readTo := func(delim byte, want string) {
			data, err := read(r, delim)
			if err != nil {