ByteBuffer buffer = bufferManager.allocateBuffer(2048);
        assertNotNull(buffer, "Buffer should not be null");
        assertTrue(buffer.capacity() >= 2048, "Buffer should be at least requested size");
        assertTrue(buffer.isDirect(), "Buffer should be direct");
    }

    @Test
    public void testReleaseBuffer() {
        ByteBuffer buffer = bufferManager.allocateBuffer(1024);

        }
    }
    
    private void handleRdmaRead(Smb2ReadRequest request) throws IOException {
        // Allocate buffer for read data
        ByteBuffer readBuffer = bufferManager.allocateBuffer(request.getLength());
        RdmaMemoryRegion readRegion = provider.registerMemory(readBuffer, 
            EnumSet.of(RdmaAccess.LOCAL_WRITE, RdmaAccess.REMOTE_WRITE));
        
        try {

        }
    }

    /**
     * Allocate a direct buffer for temporary use
     *
     * @param size buffer size in bytes
     * @return direct byte buffer
     */
    public ByteBuffer allocateBuffer(int size) {
        return ByteBuffer.allocateDirect(size);
    }

    /**
     * Release a temporary buffer
     *
     * For direct buffers, we rely on GC. A more sophisticated