assertEquals("000", Hexdump.toHexString(data1, 0, 3)); // 3 chars = 1.5 bytes (rounds up to 2)
        assertEquals("0001", Hexdump.toHexString(data1, 0, 4)); // 4 chars = 2 bytes
        assertEquals("000102", Hexdump.toHexString(data1, 0, 6)); // 6 chars = 3 bytes
        assertEquals("00010203", Hexdump.toHexString(data1, 0, 8)); // 8 chars = 4 bytes

        // Test with negative byte values

    /** Raw mode capability */
    int CAP_RAW_MODE = 0x0001;
    /** MPX mode capability */
    int CAP_MPX_MODE = 0x0002;
    /** Unicode capability */
    int CAP_UNICODE = 0x0004;
    /** Large files capability */
    int CAP_LARGE_FILES = 0x0008;
    /** NT SMBs capability */
    int CAP_NT_SMBS = 0x0010;
    /** RPC remote APIs capability */
    int CAP_RPC_REMOTE_APIS = 0x0020;
    /** 32-bit status codes capability */

        void testBinaryConstructorAndToByteArray() {
            // Arrange: revision=1, count=2, identAuth zeros except last byte, subauth 10, 20
            byte[] ident = new byte[] { 0, 0, 0, 0, 0, 5 };
            rpc.sid_t st = buildSidT((byte) 1, ident, 10, 20);

            byte[] bytes = SID.toByteArray(st);

            // Act: construct from bytes and re-encode

        sidArray.sids[0].sid.sub_authority_count = 1;
        sidArray.sids[0].sid.sub_authority = new int[] { 500 };

        sidArray.sids[1] = new lsarpc.LsarSidPtr();
        sidArray.sids[1].sid = new rpc.sid_t();
        sidArray.sids[1].sid.revision = 1;
        sidArray.sids[1].sid.identifier_authority = new byte[] { 0, 0, 0, 0, 0, 5 };

        buffer.put(new byte[] { 0, 0, 0, 0, 0, 1 }); // IdentifierAuthority
        buffer.putInt(0); // SubAuthority

        // Group SID at offset 40
        buffer.position(40);
        buffer.put((byte) 0x01); // Revision
        buffer.put((byte) 0x01); // SubAuthorityCount
        buffer.put(new byte[] { 0, 0, 0, 0, 0, 2 }); // IdentifierAuthority
        buffer.putInt(0); // SubAuthority

    @Test
    void testInternalConstructor() {
        rpc.sid_t rpcSid = new rpc.sid_t();
        rpcSid.revision = 1;
        rpcSid.sub_authority_count = 2;
        rpcSid.identifier_authority = new byte[] { 0, 0, 0, 0, 0, 5 };
        rpcSid.sub_authority = new int[] { 32, 544 };

        SID sid = new SID(rpcSid, SID.SID_TYPE_WKN_GRP, "BUILTIN", "Administrators", false);
        assertEquals(SID.SID_TYPE_WKN_GRP, sid.getType());

        assertTrue(written > TEST_FILENAME.length());
    }

    @ParameterizedTest
    @CsvSource({ "4, 257", // FILE_BASIC_INFO -> 0x0101
            "5, 258", // FILE_STANDARD_INFO -> 0x0102
            "20, 260" // FILE_ENDOFFILE_INFO -> 0x0104
    })
    void testWriteParametersWireFormatWithDifferentInfoLevels(int infoLevel, int expectedMappedValue) {

    }

    @Test
    @DisplayName("Test sub-command constants")
    void testSubCommandConstants() {
        assertEquals((short) 0x0001, SmbComTransaction.TRANS2_FIND_FIRST2);
        assertEquals((short) 0x0002, SmbComTransaction.TRANS2_FIND_NEXT2);
        assertEquals((short) 0x0003, SmbComTransaction.TRANS2_QUERY_FS_INFORMATION);
        assertEquals((short) 0x0005, SmbComTransaction.TRANS2_QUERY_PATH_INFORMATION);

        /**
         * Default constructor for TimeOfDayInfo.
         */
        public TimeOfDayInfo() {
        }

        /**
         * The time elapsed since 00:00:00, January 1, 1970 GMT.
         */
        public int elapsedt;
        /**
         * The number of milliseconds from the start of the current second.
         */
        public int msecs;
        /**

        assertEquals(0x0101, SMBUtil.readInt2(paramBuffer, 2));
        assertEquals(0, SMBUtil.readInt2(paramBuffer, 4));
    }

    @DisplayName("Test with different information levels")
    @ParameterizedTest
    @CsvSource({ "4, 257", // FILE_BASIC_INFO -> 0x0101
            "5, 258", // FILE_STANDARD_INFO -> 0x0102
            "20, 260" // FILE_ENDOFFILE_INFO -> 0x0104
    })