// Copyright (c) 2013-2016 The btcsuite developers
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.

package appmessage

import (
	"net"
	"testing"

	"github.com/davecgh/go-spew/spew"
)

// TestAddresses tests the MsgAddresses API.
func TestAddresses(t *testing.T) {
	// Ensure the command is expected value.
	wantCmd := MessageCommand(3)
	msg := NewMsgAddresses(false, nil)
	if cmd := msg.Command(); cmd != wantCmd {
		t.Errorf("NewMsgAddresses: wrong command - got %v want %v",
			cmd, wantCmd)
	}

	// Ensure NetAddresses are added properly.
	tcpAddr := &net.TCPAddr{IP: net.ParseIP("127.0.0.1"), Port: 16111}
	na := NewNetAddress(tcpAddr, SFNodeNetwork)
	err := msg.AddAddress(na)
	if err != nil {
		t.Errorf("AddAddress: %v", err)
	}
	if msg.AddrList[0] != na {
		t.Errorf("AddAddress: wrong address added - got %v, want %v",
			spew.Sprint(msg.AddrList[0]), spew.Sprint(na))
	}

	// Ensure the address list is cleared properly.
	msg.ClearAddresses()
	if len(msg.AddrList) != 0 {
		t.Errorf("ClearAddresses: address list is not empty - "+
			"got %v [%v], want %v", len(msg.AddrList),
			spew.Sprint(msg.AddrList[0]), 0)
	}

	// Ensure adding more than the max allowed addresses per message returns
	// error.
	for i := 0; i < MaxAddressesPerMsg+1; i++ {
		err = msg.AddAddress(na)
	}
	if err == nil {
		t.Errorf("AddAddress: expected error on too many addresses " +
			"not received")
	}
	err = msg.AddAddresses(na)
	if err == nil {
		t.Errorf("AddAddresses: expected error on too many addresses " +
			"not received")
	}
}