// 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) {

    }

    @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());

    @Test
    @DisplayName("Test edge case with maximum buffer index")
    void testReadBytesWireFormatMaxBufferIndex() throws SMBProtocolDecodingException {
        byte[] buffer = new byte[65536]; // Large buffer
        int bufferIndex = 65534; // Near the end

        // Set structure size to 2
        SMBUtil.writeInt2(2, buffer, bufferIndex);

        int result = response.readBytesWireFormat(buffer, bufferIndex);

    }

    @Test
    @DisplayName("Test sign method with large data array")
    void testSignWithLargeData() {
        // Arrange
        byte[] largeData = new byte[65536]; // 64KB
        for (int i = 0; i < largeData.length; i++) {
            largeData[i] = (byte) (i % 256);
        }
        int offset = 1024;
        int length = 32768; // 32KB

        // Act

        mockContext = mock(CIFSContext.class);
        when(mockContext.getConfig()).thenReturn(mockConfig);
        when(mockConfig.getMaximumBufferSize()).thenReturn(65536);
        when(mockConfig.getListSize()).thenReturn(65536);

        testFileId = new byte[16];
        for (int i = 0; i < 16; i++) {
            testFileId[i] = (byte) i;
        }
    }

    @Test

    }

    @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
    }

    private Smb2QueryDirectoryRequest request;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        when(mockConfig.getMaximumBufferSize()).thenReturn(65536);
        when(mockConfig.getListSize()).thenReturn(65536);
        when(mockContext.getConfig()).thenReturn(mockConfig);
    }

    @Test
    @DisplayName("Test constructor with configuration only")
    void testConstructorWithConfig() {

        byte[] largeBuffer = new byte[65536]; // 64KB buffer

        // Act & Assert
        assertEquals(0, response.writeSetupWireFormat(largeBuffer, 0));
        assertEquals(0, response.writeParametersWireFormat(largeBuffer, 32768));
        assertEquals(0, response.writeDataWireFormat(largeBuffer, 65535));
        assertEquals(0, response.readSetupWireFormat(largeBuffer, 0, 65536));

ACCESS_TOKEN_EXPIRE_MINUTES = 30


fake_users_db = {
    "johndoe": {
        "username": "johndoe",
        "full_name": "John Doe",
        "email": "******@****.***",
        "hashed_password": "$argon2id$v=19$m=65536,t=3,p=4$wagCPXjifgvUFBzq4hqe3w$CYaIb8sB+wtD+Vu/P4uod1+Qof8h+1g7bbDlBID48Rc",
        "disabled": False,
    }
}


class Token(BaseModel):
    access_token: str
    token_type: str

        when(mockConfig.getDefaultDomain()).thenReturn(null);
        when(mockConfig.getBufferCacheSize()).thenReturn(16);
        when(mockConfig.getMaximumBufferSize()).thenReturn(65536);

        context = new BaseContext(mockConfig);
    }

    @Test
    @DisplayName("Constructor should initialize all components")
    void testConstructorInitialization() {
        // Then