}

    @ParameterizedTest(name = "decode({1}) -> {2}")
    @MethodSource("decodeProvider")
    void testDecode(String encoded, byte[] expected) {
        // Act
        byte[] actual = Base64.decode(encoded);
        // Assert
        assertArrayEquals(expected, actual, "Base64.decode should return original bytes");
    }

    @Test
    @DisplayName("encode should throw NPE on null input")
    void testEncodeNull() {

        when(mockDeferredBuffer.dec_ndr_string()).thenReturn("DecodedShare", "Decoded Remark");

        shareInfo1.decode(mockNdrBuffer);

        assertEquals("DecodedShare", shareInfo1.netname);
        assertEquals(2, shareInfo1.type);
        assertEquals("Decoded Remark", shareInfo1.remark);
        verify(mockNdrBuffer).align(4);
        verify(mockNdrBuffer, times(3)).dec_ndr_long();

            // When/Then: Should throw NdrException
            assertThrows(NdrException.class, () -> policyHandle.encode(mockNdrBuffer));
        }

        @Test
        @DisplayName("Should decode policy handle correctly")
        void testPolicyHandleDecode() throws NdrException {
            // Given: A policy handle to decode into
            rpc.policy_handle policyHandle = new rpc.policy_handle();

        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());

    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);

        // Decode
        smbInfoAllocation.decode(buffer, 0, buffer.length);

        // Verify - with sectPerAlloc = 1, capacity = alloc * bytesPerSect
        assertEquals(alloc * bytesPerSect, smbInfoAllocation.getCapacity());
        assertEquals(free * bytesPerSect, smbInfoAllocation.getFree());
    }

    @Test
    @DisplayName("Test decode with large bytes per sector")

            // When: Decoding the value
            ndrShort.decode(mockBuffer);

            // Then: Should set the negative value directly (no masking on decode)
            verify(mockBuffer).dec_ndr_short();
            assertEquals(negativeValue, ndrShort.value);
        }

        @Test
        @DisplayName("Should decode large value correctly")
        void testDecodeLargeValue() throws NdrException {

        verify(objAttr.object_name).decode(mockDeferredNdrBuffer);
        verify(objAttr.security_quality_of_service).decode(mockDeferredNdrBuffer);
    }

    @Test
    void testLsarObjectAttributesDecodeNullReferents() throws NdrException {
        lsarpc.LsarObjectAttributes objAttr = new lsarpc.LsarObjectAttributes();

     * @return The decoded data
     */
    public static byte[] decode(final String inData) {
        if (StringUtil.isEmpty(inData)) {
            return null;
        }
        final int num = inData.length() / 4 - 1;
        final int lastBytes = getLastBytes(inData);
        final byte[] outData = new byte[num * 3 + lastBytes];
        for (int i = 0; i < num; i++) {
            decode(inData, i * 4, outData, i * 3);

            assertEquals(FileSystemInformation.FS_SIZE_INFO, fileFsSizeInfo.getFileSystemInformationClass());
        }
    }

    @Nested
    @DisplayName("Decode Method Tests")
    class DecodeMethodTests {

        @Test
        @DisplayName("Should decode buffer with typical values correctly")
        void shouldDecodeBufferWithTypicalValues() throws SMBProtocolDecodingException {