testMessage.encode(buffer, 100);
            assertEquals(100, testMessage.getHeaderStart());
        }

        @Test
        @DisplayName("Should get length")
        void testGetLength() {
            assertEquals(0, testMessage.getLength());
            byte[] buffer = new byte[1024];
            testMessage.setBytesWritten(20);
            testMessage.encode(buffer, 0);

        long expectedLength = 1024L;
        when(smbFile.length()).thenReturn(expectedLength);

        assertEquals(expectedLength, smbRandomAccessFile.length());
    }

    @Test
    void testSetLength() throws SmbException {
        long newLength = 2048L;
        smbRandomAccessFile.setLength(newLength);
        // Verify length was set (actual behavior depends on implementation)
    }

    @Test