package host

import (
	"net"
	"testing"
)

func TestPlan14BoundTCPPeerAddress(t *testing.T) {
	for _, c := range []struct {
		ip, want string
		ipv6     bool
	}{
		{"127.0.0.1", "0100007F:1F90", false}, {"::1", "00000000000000000000000001000000:1F90", true},
	} {
		if got := claimProcTCPAddress(&net.TCPAddr{IP: net.ParseIP(c.ip), Port: 8080}, c.ipv6); got != c.want {
			t.Fatal(got, c.want)
		}
	}
}

func TestPlan14BoundTCPPeerRefusesForeignGroup(t *testing.T) {
	ln, err := net.Listen("tcp", "127.0.0.1:0")
	if err != nil {
		t.Fatal(err)
	}
	defer ln.Close()
	client, err := net.Dial("tcp", ln.Addr().String())
	if err != nil {
		t.Fatal(err)
	}
	defer client.Close()
	server, err := ln.Accept()
	if err != nil {
		t.Fatal(err)
	}
	defer server.Close()
	if err := claimTCPPeer(client, "plan14-no-such-unit"); err == nil {
		t.Fatal("foreign group supplied readiness")
	}
}