// Now test encode
        byte[] destinationBuffer = new byte[8];
        int bytesEncoded = fileInternalInfo.encode(destinationBuffer, 0);

        // Verify
        assertEquals(8, bytesEncoded);
        assertEquals(expectedIndexNumber, SMBUtil.readInt8(destinationBuffer, 0));
    }

    @Test
    @DisplayName("Test encode with buffer offset")

            byte[] buffer = new byte[EXPECTED_SIZE * 3];

            // When
            int offset1 = chunk1.encode(buffer, 0);
            int offset2 = chunk2.encode(buffer, offset1);
            int offset3 = chunk3.encode(buffer, offset1 + offset2);

            // Then
            assertEquals(EXPECTED_SIZE, offset1);
            assertEquals(EXPECTED_SIZE, offset2);

        Arrays.fill(dst, (byte) 0x55);

        // Act
        int written = enc.encode(dst, dstIndex);

        // Assert: reported written bytes matches size() and requested len.
        assertEquals(len, enc.size(), "size() must equal provided length");
        assertEquals(len, written, "encode() must return number of bytes written");

        // Assert: copied region equals the source slice.

    class EncodingTests {

        @Test
        @DisplayName("Should encode single cipher correctly")
        void testEncodeSingleCipher() {
            int[] ciphers = { EncryptionNegotiateContext.CIPHER_AES128_CCM };
            EncryptionNegotiateContext context = new EncryptionNegotiateContext(mockConfig, ciphers);

            int bytesWritten = context.encode(buffer, 0);

            assertEquals(4, bytesWritten);

            // When: Encoding array
            array.encode(mockNdrBuffer);

            // Then: Should encode structure
            verify(mockNdrBuffer).align(4);
            verify(mockNdrBuffer).enc_ndr_long(1);
            verify(mockNdrBuffer).enc_ndr_referent(array.entries, 1);
        }

        @Test
        @DisplayName("Should encode array with null entries")

            SrvCopychunkCopy copy = new SrvCopychunkCopy(sourceKey, mockChunk1, mockChunk2);
            byte[] buffer = new byte[200];

            // When
            copy.encode(buffer, 0);

            // Then
            verify(mockChunk1, times(1)).encode(eq(buffer), eq(HEADER_SIZE));

        srvsvc.ShareInfo0 shareInfo0 = new srvsvc.ShareInfo0();
        shareInfo0.netname = null;

        shareInfo0.encode(mockNdrBuffer);

        // Verify the encode operations
        verify(mockNdrBuffer).align(4);
        verify(mockNdrBuffer).enc_ndr_referent(null, 1);
        // Should not encode string if netname is null
        verify(mockDeferredBuffer, never()).enc_ndr_string(anyString());
    }

    @Test

    }

    /**
     * Ensure encode throws NPE when passed a null buffer.
     */
    @Test
    @DisplayName("Encode with null buffer throws NullPointerException")
    public void testEncodeNullBuffer() throws NdrException {
        NdrHyper hyper = new NdrHyper(5L);
        assertThrows(NullPointerException.class, () -> hyper.encode(null));
    }

    /**

	v := ActiveWorkerStat{}
	var buf bytes.Buffer
	msgp.Encode(&buf, &v)

	m := v.Msgsize()
	if buf.Len() > m {
		t.Log("WARNING: TestEncodeDecodeActiveWorkerStat Msgsize() is inaccurate")
	}

	vn := ActiveWorkerStat{}
	err := msgp.Decode(&buf, &vn)
	if err != nil {
		t.Error(err)
	}

	buf.Reset()
	msgp.Encode(&buf, &v)
	err = msgp.NewReader(&buf).Skip()
	if err != nil {
		t.Error(err)

	v := BaseOptions{}
	var buf bytes.Buffer
	msgp.Encode(&buf, &v)

	m := v.Msgsize()
	if buf.Len() > m {
		t.Log("WARNING: TestEncodeDecodeBaseOptions Msgsize() is inaccurate")
	}

	vn := BaseOptions{}
	err := msgp.Decode(&buf, &vn)
	if err != nil {
		t.Error(err)
	}

	buf.Reset()
	msgp.Encode(&buf, &v)
	err = msgp.NewReader(&buf).Skip()
	if err != nil {
		t.Error(err)
	}