}

    @Test
    void testWriteSingleByte() throws IOException, CIFSException {
        // Given
        when(mockTreeHandle.isSMB2()).thenReturn(true);
        when(mockTreeHandle.getSendBufferSize()).thenReturn(65536);
        when(mockFileHandle.isValid()).thenReturn(false, true); // First false to trigger ensureOpen, then true
        when(mockFileHandle.getFileId()).thenReturn(new byte[16]);

    
    // 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
    
    public RdmaBufferManager(RdmaProvider provider) {
        this.provider = provider;
        this.availableSendRegions = new ConcurrentLinkedQueue<>();

        serverData.smaxMpxCount = 50;
        serverData.maxBufferSize = 65536;
        serverData.sessKey = 0xABCDEF01;
        serverData.scapabilities = 0x80000000;
        serverData.securityMode = 0x0F;
        serverData.security = 1;
        serverData.maxNumberVcs = 1;
        serverData.maxRawSize = 65536;
        serverData.serverTimeZone = -300;
        serverData.encryptionKeyLength = 8;

            this.rdmaReadWriteThreshold = 8192; // 8KB
        }
        if (this.rdmaMaxSendSize == 0) {
            this.rdmaMaxSendSize = 65536; // 64KB
        }
        if (this.rdmaMaxReceiveSize == 0) {
            this.rdmaMaxReceiveSize = 65536; // 64KB
        }
        if (this.rdmaCredits == 0) {
            this.rdmaCredits = 255;
        }
    }

    /**

                    65536, // 64KB per chunk
                    196608 // 192KB total (3 * 64KB)
            );

            int bytesDecoded = response.decode(buffer, 0, buffer.length);

            assertEquals(12, bytesDecoded);
            assertEquals(3, response.getChunksWritten());
            assertEquals(65536, response.getChunkBytesWritten());

        when(mockConfig.getMaximumVersion()).thenReturn(DialectVersion.SMB311);
        when(mockConfig.getTransactionBufferSize()).thenReturn(65536);
        when(mockConfig.getReceiveBufferSize()).thenReturn(65536);
        when(mockConfig.getSendBufferSize()).thenReturn(65536);
        when(mockContext.getConfig()).thenReturn(mockConfig);
    }

    @Test
    @DisplayName("Should create response with configuration")

        // Setup tree with configuration
        when(tree.getConfig()).thenReturn(config);
        when(tree.getSendBufferSize()).thenReturn(65536);
        when(config.getPid()).thenReturn(12345);
        when(config.getSendBufferSize()).thenReturn(65536);

        target = new SmbPipeHandleImpl(pipe);
    }

    @Test
    @DisplayName("unwrap returns self for assignable type; throws for incompatible and null")

    @Test
    @DisplayName("Test toString method")
    void testToString() throws SMBProtocolDecodingException {
        // Setup test data
        byte[] buffer = new byte[22];
        long expectedAllocationSize = 65536L;
        long expectedEndOfFile = 49152L;
        int expectedNumberOfLinks = 15;
        boolean expectedDeletePending = true;
        boolean expectedDirectory = true;

        // Encode test data

        void testSetReadLength() {
            assertDoesNotThrow(() -> request.setReadLength(0));
            assertDoesNotThrow(() -> request.setReadLength(1024));
            assertDoesNotThrow(() -> request.setReadLength(65536));
            assertDoesNotThrow(() -> request.setReadLength(Integer.MAX_VALUE));
        }

        @Test
        @DisplayName("Should set offset correctly")
        void testSetOffset() {

    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() {