    public void encodeDeepBinaryJSONWithNullValue() throws JSONException {
        JSONObject data = new JSONObject("{a: \"b\", c: 4, e: {g: null}, h: null}");
        data.put("h", new byte[9]);

        Packet<JSONObject> packet = new Packet<>(Parser.BINARY_EVENT);
        packet.data = data;
        packet.nsp = "/";
        packet.id = 600;
        Helpers.testBin(packet);
    }
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.