@Test
void getFieldType_message() {

    Proto proto = new Proto();
    proto.setPackage(new Package(proto, "package"));
    Message message = new Message(proto);
    message.setName("Message");
    message.setProto(proto);
    Field field = new Field(null);
    field.setType(message);
    assertEquals("package.Message", MessageFieldUtil.getFieldType(field));
}