package protocol

import (
	"bufio"
	"net"
	"strings"
	"testing"
)

func TestReadHeaderV1(t *testing.T) {
	r := bufio.NewReader(strings.NewReader("PROXY TCP4 203.0.113.10 192.0.2.1 443 9000\r\n"))
	h, err := ReadHeader(r)
	if err != nil {
		t.Fatal(err)
	}
	if !h.SrcIP.Equal(net.ParseIP("203.0.113.10")) || h.SrcPort != 443 {
		t.Fatalf("unexpected header %+v", h)
	}
}

func TestReadHeaderRejectsGarbage(t *testing.T) {
	r := bufio.NewReader(strings.NewReader("GET / HTTP/1.1\r\n"))
	if _, err := ReadHeader(r); err == nil {
		t.Fatal("expected error")
	}
}