}

    @Test
    @DisplayName("Should handle empty byte array")
    void testToHexStringEmpty() {
        // Given
        byte[] data = {};

        // When
        String result = Hexdump.toHexString(data);

        // Then
        assertNotNull(result);
        assertEquals("", result);
    }

    @Test
    @DisplayName("Should handle null byte array")
    void testToHexStringNull() {

     *
     * @param handle the DCE/RPC handle for communication
     * @param domainHandle the domain handle containing this alias
     * @param access the desired access rights
     * @param rid the relative identifier of the alias
     * @throws IOException if an I/O error occurs during handle creation
     */
    public SamrAliasHandle(final DcerpcHandle handle, final SamrDomainHandle domainHandle, final int access, final int rid)

        SamrPolicyHandle handle = new SamrPolicyHandle(mockHandle, server, access);
        handle.close();

        // Verify close was called
        verify(mockHandle, times(1)).sendrecv(any(MsrpcSamrCloseHandle.class));
        assertEquals(handle, closeCaptor.getValue().handle); // Verify correct handle is passed
    }

    @Test

         *
         * @param handle the policy handle to close
         */
        public LsarClose(final rpc.policy_handle handle) {
            this.handle = handle;
        }

        @Override
        public void encode_in(final NdrBuffer _dst) throws NdrException {
            this.handle.encode(_dst);
        }

        @Override

        }
    }

    @Nested
    @DisplayName("Policy Handle Tests")
    class PolicyHandleTests {

        @Test
        @DisplayName("Should encode policy handle correctly")
        void testPolicyHandleEncode() throws NdrException {
            // Given: A policy handle with test values
            rpc.policy_handle policyHandle = new rpc.policy_handle();

    @DisplayName("Should handle various NetBIOS name types")
    void testVariousNameTypes(int nameType) {
        // Given
        when(mockNetbiosName.getNameType()).thenReturn(nameType);

        // When
        int result = mockNetbiosName.getNameType();

        // Then
        assertEquals(nameType, result);
    }

    @Test
    @DisplayName("Should handle null name")
    void testNullName() {

     *
     * @param handle the DCE/RPC handle for communication
     * @param policyHandle the policy handle for this domain
     * @param access the desired access rights
     * @param sid the security identifier of the domain
     * @throws IOException if an I/O error occurs during handle creation
     */
    public SamrDomainHandle(final DcerpcHandle handle, final SamrPolicyHandle policyHandle, final int access, final rpc.sid_t sid)

                log.warn("Tree handle was not properly released, performing emergency cleanup: "
                        + (this.resourceLoc != null ? this.resourceLoc.getURL() : "unknown"));
                emergencyReleaseHandle();
            }
        } catch (Exception e) {
            log.error("Error during tree handle finalization", e);
        } finally {
            super.finalize();

    private static final long serialVersionUID = 1L;

    /**
     * The underlying UUID representing this handle GUID
     */
    private final UUID guid;

    /**
     * Create a new random handle GUID
     */
    public HandleGuid() {
        this.guid = UUID.randomUUID();
    }

    /**
     * Create a handle GUID from existing bytes
     * @param bytes the 16-byte GUID data in little-endian format (SMB wire format)

/**
 * Microsoft RPC LSA close handle request.
 * This class implements the LSARPC close handle operation.
 */
public class MsrpcLsarClose extends LsarClose {

    /**
     * Creates a new request to close an LSA policy handle.
     *
     * @param handle the policy handle to close
     */
    public MsrpcLsarClose(final policy_handle handle) {
        super(handle);
        this.ptype = 0;