package peer

import (
	"net/netip"
	"testing"
)

func addrPort4(a, b, c, d byte, port uint16) netip.AddrPort {
	return netip.AddrPortFrom(netip.AddrFrom4([4]byte{a, b, c, d}), port)
}

func assertNil(t *testing.T, err error) {
	t.Helper()
	if err != nil {
		t.Fatal(err)
	}
}

func assertType[T any](t *testing.T, obj any) T {
	t.Helper()
	x, ok := obj.(T)
	if !ok {
		t.Fatal("invalid type", obj)
	}
	return x
}

func assertEqual[T comparable](t *testing.T, a, b T) {
	t.Helper()
	if a != b {
		t.Fatal(a, " != ", b)
	}
}