// Given: A unicode string with null buffer
            rpc.unicode_string unicodeString = new rpc.unicode_string();
            unicodeString.length = (short) 0;
            unicodeString.maximum_length = (short) 0;
            unicodeString.buffer = null;

            // When: Encoding the unicode string
            unicodeString.encode(mockNdrBuffer);

            // Then: Verify the encoding sequence

     * Unicode string structure for DCE/RPC.
     * Represents a counted Unicode string as used in RPC protocols.
     */
    public static class unicode_string extends NdrObject {

        /**
         * Default constructor for unicode_string.
         */
        public unicode_string() {
            // Default constructor
        }

        /**
         * The actual length of the string in bytes.
         */

        dnsDomainInfo.name = new rpc.unicode_string();
        dnsDomainInfo.name.length = 8;
        dnsDomainInfo.name.maximum_length = 16;
        dnsDomainInfo.name.buffer = new short[] { 'T', 'E', 'S', 'T' };

        dnsDomainInfo.dns_domain = new rpc.unicode_string();
        dnsDomainInfo.dns_domain.length = 16;
        dnsDomainInfo.dns_domain.maximum_length = 32;

            // Default constructor
        }

        /** Domain NetBIOS name. */
        public rpc.unicode_string name;
        /** DNS domain name. */
        public rpc.unicode_string dns_domain;
        /** DNS forest name. */
        public rpc.unicode_string dns_forest;
        /** Domain GUID. */
        public rpc.uuid_t domain_guid;
        /** Domain security identifier. */

            // Default constructor
        }

        /** Domain NetBIOS name. */
        public rpc.unicode_string name;
        /** DNS domain name. */
        public rpc.unicode_string dns_domain;
        /** DNS forest name. */
        public rpc.unicode_string dns_forest;
        /** Domain GUID. */
        public rpc.uuid_t domain_guid;
        /** Domain security identifier. */

     * Unicode string structure for DCE/RPC operations.
     * Represents a Unicode string with length information.
     */
    public static class unicode_string extends NdrObject {

        /**
         * Default constructor for unicode_string.
         */
        public unicode_string() {
            // Default constructor
        }

        /** The length of the string in bytes */
        public short length;

    @Mock
    private NdrBuffer mockDeferredBuffer;

    @Mock
    private rpc.policy_handle mockPolicyHandle;

    @Mock
    private rpc.sid_t mockSidT;

    @Mock
    private rpc.unicode_string mockUnicodeString;

    @Mock
    private lsarpc.LsarSidArray mockLsarSidArray;

    @BeforeEach
    void setUp() {
        // Directly set the deferred field on the mock

            byte[] result = Strings.getUNIBytes(UNICODE_STRING);

            // Then
            assertNotNull(result, "Result should not be null");
            assertTrue(result.length > 0, "Result should not be empty");

            // Verify round-trip conversion
            String roundTrip = new String(result, StandardCharsets.UTF_16LE);

    @Mock
    private NdrBuffer mockDeferredBuffer;

    @Mock
    private rpc.policy_handle mockPolicyHandle;

    @Mock
    private rpc.sid_t mockSidT;

    @Mock
    private rpc.unicode_string mockUnicodeString;

    @Mock
    private lsarpc.LsarSidArray mockLsarSidArray;

    @BeforeEach
    void setUp() {
        // Directly set the deferred field on the mock

            // Default constructor
        }

        /** The relative ID (RID) of the SAM entry */
        public int idx;
        /** The name of the SAM entry */
        public rpc.unicode_string name;

        @Override
        public void encode(NdrBuffer _dst) throws NdrException {
            _dst.align(4);
            _dst.enc_ndr_long(this.idx);
            _dst.enc_ndr_short(this.name.length);