class FragmentFlagTests {

        @Test
        @DisplayName("DCERPC_FIRST_FRAG should have correct value")
        void testDcerpcFirstFrag() {
            assertEquals(0x01, DcerpcConstants.DCERPC_FIRST_FRAG, "DCERPC_FIRST_FRAG should be 0x01");
        }

        @Test
        @DisplayName("DCERPC_LAST_FRAG should have correct value")
        void testDcerpcLastFrag() {

     */
    UUID DCERPC_UUID_SYNTAX_NDR = new UUID("8a885d04-1ceb-11c9-9fe8-08002b104860");

    /**
     * First fragment flag - indicates first fragment of a multi-fragment message
     */
    int DCERPC_FIRST_FRAG = 0x01; /* First fragment */
    /**
     * Last fragment flag - indicates last fragment of a multi-fragment message
     */
    int DCERPC_LAST_FRAG = 0x02; /* Last fragment */
    /**

		ACB_USE_DES_KEY_ONLY       = 0x00008000, /* 1 = Use DES key only */
		ACB_DONT_REQUIRE_PREAUTH   = 0x00010000  /* 1 = Preauth not required */
	} SamrAcctFlags;

	[op(0x01)]
	int SamrCloseHandle([in] policy_handle *handle);

	[op(0x39)]
	int SamrConnect2([in,string,unique] wchar_t *system_name,
			[in] uint32_t access_mask,
			[out] policy_handle *handle);

	[op(0x3e)]

    void testReadULongOutOfBounds() {
        byte[] a = new byte[] { 0x01, 0x02, 0x03 };
        assertThrows(IndexOutOfBoundsException.class, () -\u003e NtlmMessage.readULong(a, 0));
    }

    @Test
    @DisplayName("readSecurityBuffer correctly extracts data")
    void testReadSecurityBuffer() {
        byte[] buf = new byte[8 + 4];
        byte[] payload = { 0x11, 0x22, 0x33, 0x44 };

	o = msgp.AppendBytes(o, z.Versions)
	// string "SetIndex"
	o = append(o, 0xa8, 0x53, 0x65, 0x74, 0x49, 0x6e, 0x64, 0x65, 0x78)
	o = msgp.AppendInt(o, z.SetIndex)
	// string "PoolIndex"
	o = append(o, 0xa9, 0x50, 0x6f, 0x6f, 0x6c, 0x49, 0x6e, 0x64, 0x65, 0x78)
	o = msgp.AppendInt(o, z.PoolIndex)
	// string "Queued"
	o = append(o, 0xa6, 0x51, 0x75, 0x65, 0x75, 0x65, 0x64)

            uuid.time_low = 0x12345678;
            uuid.time_mid = (short) 0x9ABC;
            uuid.time_hi_and_version = (short) 0xDEF0;
            uuid.clock_seq_hi_and_reserved = (byte) 0x11;
            uuid.clock_seq_low = (byte) 0x22;
            uuid.node = new byte[] { (byte) 0xAA, (byte) 0xBB, (byte) 0xCC, (byte) 0xDD, (byte) 0xEE, (byte) 0xFF };

        ASN1ObjectIdentifier[] mechs = new ASN1ObjectIdentifier[] { OID_KRB, OID_NTLM };
        int flags = NegTokenInit.DELEGATION | NegTokenInit.MUTUAL_AUTHENTICATION | NegTokenInit.INTEGRITY;
        byte[] mechToken = new byte[] { 0x01, 0x02, 0x03 };
        byte[] mic = new byte[] { (byte) 0xFE, 0x55 };

        NegTokenInit init = new NegTokenInit(mechs, flags, mechToken, mic);
        byte[] bytes = init.toByteArray();

	// map header, size 16
	// string "st"
	o = append(o, 0xde, 0x0, 0x10, 0xa2, 0x73, 0x74)
	o = msgp.AppendTime(o, z.StartTime)
	// string "ss"
	o = append(o, 0xa2, 0x73, 0x73)
	o = msgp.AppendInt64(o, z.StartSize)
	// string "ts"
	o = append(o, 0xa2, 0x74, 0x73)
	o = msgp.AppendInt64(o, z.TotalSize)
	// string "cs"
	o = append(o, 0xa2, 0x63, 0x73)
	o = msgp.AppendInt64(o, z.CurrentSize)
	// string "cmp"

        assertNull(serverData.guid);
    }

    /**
     * Test setting and getting byte field (sflags)
     */
    @ParameterizedTest
    @ValueSource(bytes = { 0x00, 0x01, 0x7F, (byte) 0x80, (byte) 0xFF })
    @DisplayName("Test sflags field with various byte values")
    public void testSflagsField(byte value) {
        // When
        serverData.sflags = value;

        // Then

        assertEquals(buf.length, n, "Parameter bytes written should match expected length");
        // informationLevel LE at offset 4..5
        assertEquals((byte) 0x04, buf[4]);
        assertEquals((byte) 0x01, buf[5]);
    }

    /**
     * Ensures writeSetupWireFormat writes subcommand and trailing zero, returning 2.
     */
    @Test
    void testWriteSetupWireFormat() {
        // Given