assertEquals(8192, config.getRdmaReadWriteThreshold(), "Default threshold should be 8KB");
        assertEquals(65536, config.getRdmaMaxSendSize(), "Default max send size should be 64KB");
        assertEquals(65536, config.getRdmaMaxReceiveSize(), "Default max receive size should be 64KB");
        assertEquals(255, config.getRdmaCredits(), "Default credits should be 255");
    }

    @Test

        this.fid = fid;
        this.securityInformation = securityInformation;
        this.setupCount = 0;
        this.totalDataCount = 0;
        this.maxParameterCount = 4;
        this.maxDataCount = 65536;
        this.maxSetupCount = (byte) 0x00;
    }

    @Override
    public int getPadding() {
        return 4;
    }

    @Override

    }

    @Test
    public void testGetProviderName() {
        assertEquals("TCP Fallback", provider.getProviderName());
    }

    @Test
    public void testGetMaxMessageSize() {
        assertEquals(65536, provider.getMaxMessageSize(), "TCP provider should have 64KB limit");
    }

    @Test
    public void testShutdown() {
        // Should not throw exception
        assertDoesNotThrow(() -> provider.shutdown());

        buffer.putShort((short) 50); // maxMpxCount
        buffer.putShort((short) 10); // maxNumberVcs
        buffer.putInt(8192); // maxBufferSize
        buffer.putInt(65536); // maxRawSize
        buffer.putInt(123456789); // sessionKey
        buffer.putInt(SmbConstants.CAP_UNICODE | SmbConstants.CAP_NT_SMBS); // capabilities
        buffer.putLong(new Date().getTime()); // serverTime

    // Buffer pool configuration
    private final int initialSendBuffers = 32;
    private final int initialReceiveBuffers = 64;
    private final int sendBufferSize = 65536; // 64KB
    private final int receiveBufferSize = 65536; // 64KB

    /**
     * Create new RDMA buffer manager
     *
     * @param provider RDMA provider for memory registration
     */
    public RdmaBufferManager(RdmaProvider provider) {

    }

    @Override
    public String getProviderName() {
        return "TCP Fallback";
    }

    @Override
    public int getMaxMessageSize() {
        return 65536; // 64KB for TCP
    }

    @Override
    public void shutdown() {
        // Nothing to clean up for TCP
    }

        response.setSelectedVersion(request.getMaxVersion());
        response.setCreditsGranted(request.getCreditsRequested());
        response.setMaxReceiveSize(Math.min(request.getMaxReceiveSize(), 65536));
        response.setMaxReadWriteSize(0); // No RDMA read/write support
        response.setMaxFragmentedSize(request.getMaxFragmentedSize());

        state = RdmaConnectionState.ESTABLISHED;

    private void setupNegotiateStubs() {
        when(mockNegotiate.getNegotiatedCapabilities()).thenReturn(0x00123456);
        when(mockNegotiate.getNegotiatedSendBufferSize()).thenReturn(65535);
        when(mockNegotiate.getNegotiatedMpxCount()).thenReturn(65535);
        when(mockNegotiate.getNegotiatedSessionKey()).thenReturn(0x12345678);
    }

    /** Simple test stub of {@link ServerData} */

    void getMaximumBufferSize_returns() throws Exception {
        // Arrange
        when(handle.getMaximumBufferSize()).thenReturn(65535);

        // Act
        int size = handle.getMaximumBufferSize();

        // Assert
        assertEquals(65535, size);
        verify(handle).getMaximumBufferSize();
    }

    @Test

    private static final int FLAGS_RESUME_FROM_PREVIOUS_END = 0x08;
    private static final int FLAGS_FIND_WITH_BACKUP_INTENT = 0x10;

    private static final int DEFAULT_LIST_SIZE = 65535;
    private static final int DEFAULT_LIST_COUNT = 200;

    private final int searchAttributes;
    private final int flags;
    private final int informationLevel;
    private final int searchStorageType = 0;