}
    }

    /**
     * Test encode with empty byte array
     *
     * @throws Exception
     */
    public void testEncode_EmptyArray() throws Exception {
        final String result = Base64Util.encode(new byte[0]);
        assertEquals("Empty array should return empty string", "", result);
    }

    /**
     * Test encode with null returns empty string
     *
     * @throws Exception

            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));

        // Prepare buffer
        byte[] buffer = new byte[100];
        int startIndex = 10;

        // Encode
        int bytesWritten = info.encode(buffer, startIndex);

        // Verify bytes written (encode returns 40, which includes 4 padding bytes)
        assertEquals(40, bytesWritten);

        // Create a new FileBasicInfo and decode to verify encoding

            lock = new Smb2Lock(offset, length, allFlags);
            lock.encode(buffer, 0);

            assertEquals(allFlags, SMBUtil.readInt4(buffer, 16));
        }

        @Test
        @DisplayName("Should encode zero values correctly")
        void testEncodingWithZeroValues() {
            lock = new Smb2Lock(0L, 0L, 0);
            lock.encode(buffer, 0);

            assertEquals(0L, SMBUtil.readInt8(buffer, 0));

            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);

    }

    @Test
    @DisplayName("Test encode method with valid destination")
    void testEncodeWithValidDestination() {
        // Given
        byte[] dst = new byte[256];
        int dstIndex = 0;
        int expectedLength = 50;

        when(messageBlock.encode(dst, dstIndex)).thenReturn(expectedLength);

        // When
        int actualLength = messageBlock.encode(dst, dstIndex);

        // Then

            // 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")

        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.

        // 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")

            // 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")