if order != hostLookupCgo {
		t.Fatalf("addrLookupOrder returned: %v, want cgo", order)
	}
	if systemConf().mustUseGoResolver(nil) {
		t.Fatal("mustUseGoResolver = true, want false")
	}
}

func TestForceGoDNS(t *testing.T) {
	var resolver *Resolver
	if runtime.GOOS == "plan9" {
		resolver = &Resolver{
			Dial: func(_ context.Context, _, _ string) (Conn, error) {
				panic("unreachable")
			},
		}
	}