if (info == null) { /* YOYOYO */
                    info = new DfsEnumStruct();
                }
                info.decode(_src);

            }
            final int _totalentriesp = _src.dec_ndr_long();
            if (_totalentriesp != 0) {
                totalentries.decode(_src);

            }
            retval = _src.dec_ndr_long();
        }
    }

        }

        @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")

        assertEquals(0x1111, response.getSecurityMode(), "First decode security mode");
        assertEquals(0x0210, response.getDialect(), "First decode dialect");

        // Second decode - should overwrite values
        byte[] buffer2 = new byte[50];
        SMBUtil.writeInt4(0x22222222, buffer2, 0);
        SMBUtil.writeInt2(0x2222, buffer2, 20);
        SMBUtil.writeInt2(0x0311, buffer2, 22);

  val tag: Long,
  /** Encode and decode the value once tags are handled. */
  private val codec: Codec<T>,
  /** True if the default value should be used if this value is absent during decoding. */
  val isOptional: Boolean = false,
  /** The value to return if this value is absent. Undefined unless this is optional. */
  val defaultValue: T? = null,
  /** True to set the encoded or decoded value as the type hint for the current SEQUENCE. */

 * result extraction, header encoding/decoding, and the round-trip of an
 * encode/decode operation.
 */
public class DcerpcMessageTest {

    /**
     * A trivial concrete subclass used for testing. It simply writes a
     * single small value in {@code encode_in} and reads it in
     * {@code decode_out}.
     */
    private static class TestMessage extends DcerpcMessage {
        int decodedValue = 0;

        @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.writeInt4(messageLength, buffer, bufferIndex + 12);
        System.arraycopy(testData, 0, buffer, bufferIndex + 16, testData.length);

        // Decode
        int bytesDecoded = response.decode(buffer, bufferIndex, buffer.length);

        // Verify results
        assertEquals(namedPipeState, response.getNamedPipeState());
        assertEquals(readDataAvailable, response.getReadDataAvailable());

        void testPad8() {
            testMessage.encode(new byte[1024], 0);
            // After header is written, padding depends on position
            int headerStart = testMessage.getHeaderStart();
            assertEquals(0, headerStart); // Should start at 0
        }
    }

    @Nested
    @DisplayName("Encode/Decode Tests")
    class EncodeDecodeTests {

        @Test

    assertThat(UnsignedLongs.decode("0xffffffffffffffff")).isEqualTo(0xffffffffffffffffL);
    assertThat(UnsignedLongs.decode("01234567")).isEqualTo(01234567); // octal
    assertThat(UnsignedLongs.decode("#1234567890abcdef")).isEqualTo(0x1234567890abcdefL);
    assertThat(UnsignedLongs.decode("987654321012345678")).isEqualTo(987654321012345678L);
    assertThat(UnsignedLongs.decode("0x135791357913579")).isEqualTo(0x135791357913579L);