t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after Skip(): %q", len(left), left)
	}
	if !reflect.DeepEqual(v, v2) {
		t.Errorf("MSS: %v != %v", v, v2)
	}
}

func TestMarshalUnmarshalMSSNil(t *testing.T) {
	v := MSS(nil)
	bts, err := v.MarshalMsg(nil)
	if err != nil {
		t.Fatal(err)
	}
	v2 := MSS(make(map[string]string, 1))
	left, err := v2.UnmarshalMsg(bts)
	if err != nil {