assertEquals(2048, SMBUtil.readInt4(buffer, 32));
        }

        @Test
        @DisplayName("Should handle file ID shorter than 16 bytes")
        void testShortFileId() {
            byte[] shortFileId = new byte[8];
            Arrays.fill(shortFileId, (byte) 0xAB);
            request.setFileId(shortFileId);

            byte[] buffer = new byte[256];

            assertArrayEquals(Arrays.copyOfRange(longFileId, 0, 16), Arrays.copyOfRange(buffer, 16, 32));
        }

        @Test
        @DisplayName("Should handle file ID shorter than 16 bytes")
        void testShortFileId() {
            byte[] shortFileId = new byte[8];
            Arrays.fill(shortFileId, (byte) 0xAB);
            request.setFileId(shortFileId);
            request.setData(new byte[10], 0, 10);

            assertThrows(NullPointerException.class, () -> req.size());
        }

        @Test
        @DisplayName("Should handle file ID shorter than 16 bytes")
        void testShortFileId() {
            byte[] shortFileId = new byte[8];
            Arrays.fill(shortFileId, (byte) 0xAB);
            request.setFileId(shortFileId);

            byte[] buffer = new byte[256];