assertTrue(it.hasNext());
        assertEquals("one", it.next().getName()); // consume initial
        // Next call should handle CIFSException and close iterator
        assertFalse(it.hasNext()); // After error, hasNext should return false

        // Assert
        verify(tree, times(1)).release();
    }

    @Test
    @DisplayName("close() closes when there is a next element and releases handle")

                SmbConstants.DEFAULT_SHARING);

        // When
        outputStream.flush();

        // Then - flush should complete without error
        assertTrue(outputStream.isOpen());
    }

    @Test
    void testClose() throws IOException, CIFSException {
        // Given
        when(mockTreeHandle.isSMB2()).thenReturn(true);

        int[].class,
        Object[].class,
        UnsignedInteger.class,
        UnsignedLong.class,
        BigInteger.class,
        BigDecimal.class,
        Throwable.class,
        Error.class,
        Exception.class,
        RuntimeException.class,
        Charset.class,
        Locale.class,
        Currency.class,
        List.class,
        Entry.class,
        Object.class,

   * of the request.
   */
  public var dispatcher: Dispatcher = QueueDispatcher()

  public val socketAddress: InetSocketAddress
    get() = socketAddress_ ?: error("call start() first")

  public val port: Int
    get() = socketAddress.port

  public val hostName: String
    get() = socketAddress.address.hostName

 * used; or if the class exposes a public parameter-less constructor then it will be "new"d and
 * returned.
 *
 * <p>All default instances returned by {@link #get} are generics-safe. Clients won't get type
 * errors for using {@code get(Comparator.class)} as a {@code Comparator<Foo>}, for example.
 * Immutable empty instances are returned for collection types; {@code ""} for string; {@code 0} for

        }

        @Test
        @DisplayName("getResult should return DcerpcException for non-zero result")
        void testGetResultError() {
            message.result = 123; // Example error code
            DcerpcException exception = message.getResult();
            assertNotNull(exception);
            assertEquals(123, exception.getErrorCode());
        }
    }

    @Nested

 * used; or if the class exposes a public parameter-less constructor then it will be "new"d and
 * returned.
 *
 * <p>All default instances returned by {@link #get} are generics-safe. Clients won't get type
 * errors for using {@code get(Comparator.class)} as a {@code Comparator<Foo>}, for example.
 * Immutable empty instances are returned for collection types; {@code ""} for string; {@code 0} for

    //                                                                        ============
    /**
     * Verifies that the provided CRUD mode matches the expected mode.
     * Throws a validation error if the modes do not match.
     *
     * @param crudMode the actual CRUD mode
     * @param expectedMode the expected CRUD mode
     */
    protected void verifyCrudMode(final int crudMode, final int expectedMode) {

    protected int writeBytesWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    /**
     * {@inheritDoc}
     *
     * @throws SMBProtocolDecodingException if there is an error decoding the response
     *
     * @see jcifs.internal.smb2.ServerMessageBlock2#readBytesWireFormat(byte[], int)
     */
    @Override

        }
    }

    /**
     * Validate string from server response
     *
     * @param str string to validate
     * @param maxLength maximum allowed length
     * @param fieldName field name for error messages
     * @throws SmbException if string is invalid
     */
    public void validateString(String str, int maxLength, String fieldName) throws SmbException {
        totalValidations.incrementAndGet();