@Test
    @DisplayName("Should define decode method")
    void testDecodeMethod() throws SMBProtocolDecodingException {
        // Given
        byte[] buffer = new byte[10];
        int bufferIndex = 0;
        int len = 10;
        when(mockDecodable.decode(buffer, bufferIndex, len)).thenReturn(10);

        // When
        int decodedLength = mockDecodable.decode(buffer, bufferIndex, len);

        // Then

        m.ptype = 0; // Request type
        NdrBuffer buf = new NdrBuffer(new byte[1024], 0);
        m.encode(buf);

        buf.setIndex(0);
        // Decode will throw exception as ptype 0 is not a valid response type
        assertThrows(NdrException.class, () -> m.decode(buf));
    }

    @Test
    void testRoundTripEncodeDecodeForResponseType() throws Exception {

        }

        @Test
        @DisplayName("Should inherit decode from Decodable")
        void shouldInheritDecodeMethod() throws NoSuchMethodException {
            // Verify method is inherited
            assertNotNull(AllocInfo.class.getMethod("decode", byte[].class, int.class, int.class));
            assertEquals(int.class, AllocInfo.class.getMethod("decode", byte[].class, int.class, int.class).getReturnType());
        }

        // Test decode
        int size = ace.decode(testBuffer, 0, testBuffer.length);

        // Verify results
        assertEquals(32, size);
        assertTrue(ace.isAllow());
        assertEquals(0x03, ace.getFlags());
        assertEquals(0x001200A9, ace.getAccessMask());
        assertNotNull(ace.getSID());
    }

    @Test
    @DisplayName("Test decode with deny ACE")

        @Override
        public void encode(NdrBuffer _dst) throws NdrException {
            _dst.align(4);
            _dst.enc_ndr_referent(this.netname, 1);

            if (this.netname != null) {
                _dst = _dst.deferred;
                _dst.enc_ndr_string(this.netname);

            }
        }

        @Override
        public void decode(NdrBuffer _src) throws NdrException {

        Smb2IoctlResponse resp = new Smb2IoctlResponse(config);

        int read = resp.decode(packet, 0);
        assertTrue(read >= packet.length, "Decoded length should cover entire packet");
        assertNotNull(resp.getErrorData(), "Error data should be decoded");
        assertEquals(3, resp.getErrorData().length);
        assertEquals(2, resp.getErrorContextCount());

  } catch (nsee: NoSuchElementException) {
    throw IllegalArgumentException("failed to decode certificate", nsee)
  } catch (iae: IllegalArgumentException) {
    throw IllegalArgumentException("failed to decode certificate", iae)
  } catch (e: GeneralSecurityException) {
    throw IllegalArgumentException("failed to decode certificate", e)
  }
}

/**
 * Returns the certificate encoded in [PEM format][rfc_7468].
 *

        @Override
        public void encode(NdrBuffer _dst) throws NdrException {
            _dst.align(4);
            _dst.enc_ndr_referent(sid, 1);

            if (sid != null) {
                _dst = _dst.deferred;
                sid.encode(_dst);

            }
        }

        @Override
        public void decode(NdrBuffer _src) throws NdrException {
            _src.align(4);

        SMBUtil.writeInt2(20, buffer, 42); // byteCount

        int length = testBlock.decode(buffer, 0);

        assertTrue(length > 0);
        assertEquals(4, testBlock.wordCount);
        assertNull(testBlock.getAndx());
    }

    @Test
    @DisplayName("Test decode with retain payload")
    void testDecodeWithRetainPayload() throws SMBProtocolDecodingException {

        return stream(getRoles()).get(stream -> stream.map(this::decode).toArray(n -> new String[n]));
    }

    @Override
    public String[] getGroupNames() {
        return stream(getGroups()).get(stream -> stream.map(this::decode).toArray(n -> new String[n]));
    }

    private String decode(final String value) {
        return new String(Base64.getDecoder().decode(value), Constants.CHARSET_UTF_8);
    }

    @Override