* Test constructor with malformed data (too short).
     */
    @Test
    void testConstructorMalformedData() {
        // Prepare data (only 2 bytes, less than an int)
        byte[] data = new byte[] { 0x01, 0x02 };

        // Verify that PACDecodingException is thrown
        assertThrows(PACDecodingException.class, () -> {
            new PacSignature(data);
        });
    }

    /**

    }

    @Test
    @DisplayName("parsing malformed token throws IOException")
    void testMalformedToken() {
        byte[] bad = new byte[] { 0x01, 0x02, 0x03 }; // not a valid ASN.1 tagged object
        assertThrows(IOException.class, () -> new NegTokenTarg(bad), "Malformed byte[] should cause IOException");
    }

    @Test

        new byte[] {
          0x01, (byte) 0xc0, 0x00, 0x00,
          0x00, 0x00, 0x00, 0x00,
          0x00, 0x00, 0x00, 0x00,
          0x00, 0x00, 0x00, 0x00,
          0x14, 0x00, 0x00, 0x00,
          0x00, 0x00, 0x04, 0x00,
          0x00, 0x00, 0x00, 0x14,
          0x00, 0x00, 0x00, 0x18,
          0x28, 0x00, 0x00, 0x00,
          0x00, 0x00, 0x00, 0x00,
          0x02, 0x00, 0x00, 0x00,

        Configuration cfg = mock(Configuration.class);
        SmbComLockingAndX cmd = new SmbComLockingAndX(cfg);
        setField(cmd, "fid", 42);
        setField(cmd, "typeOfLock", (byte) 0x07);
        setField(cmd, "newOpLockLevel", (byte) 0x02);
        String repr = cmd.toString();
        assertTrue(repr.contains("fid=42"));
        assertTrue(repr.contains("typeOfLock=7"));
        assertTrue(repr.contains("newOplockLevel=2"));

    }

    /**
     * Test constructor with a malformed token.
     */
    @Test
    void testConstructorMalformed() {
        byte[] malformedToken = new byte[] { 0x01, 0x02, 0x03, 0x04 };
        assertThrows(PACDecodingException.class, () -> new KerberosEncData(malformedToken, Collections.emptyMap()));
    }

    /**
     * Test constructor with an unknown field.
     *

    class ToStringTests {

        @ParameterizedTest
        @DisplayName("Should format command name correctly")
        @ValueSource(shorts = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11,
                0x12 })
        void testToStringCommandNames(short command) {
            testMessage.setCommand(command);
            String result = testMessage.toString();

        assertEquals(0x01, smbComOpenAndX.openFunction); // OPEN_FN_OPEN
    }

    /**
     * Test constructor with O_TRUNC flag.
     */
    @Test
    void testConstructor_TruncateOnly() {
        int flags = SmbFile.O_TRUNC;
        smbComOpenAndX = new SmbComOpenAndX(fileName, access, flags, andx);
        assertEquals(0x02, smbComOpenAndX.openFunction); // OPEN_FN_TRUNC
    }

    /**

        private final InetAddress address;
        private final int flags;

        /** Flag indicating IPv4 address type */
        public static final int IPV4 = 0x01;
        /** Flag indicating IPv6 address type */
        public static final int IPV6 = 0x02;

        /**
         * Creates a new witness IP address.
         *
         * @param address the IP address
         */

    /** Name service error class */
    public static final int ERR_NAM_SRVC = 0x01;
    /** Session service error class */
    public static final int ERR_SSN_SRVC = 0x02;

    // name service error codes
    /** Format error in the name service */
    public static final int FMT_ERR = 0x1;
    /** Server error in the name service */
    public static final int SRV_ERR = 0x2;
    /** Implementation error in the name service */

        for (final String dialect : this.dialects) {
            bos.write(0x02);
            try {
                bos.write(Strings.getASCIIBytes(dialect));
            } catch (final IOException e) {
                throw new RuntimeCIFSException(e);
            }
            bos.write(0x0);
        }

        System.arraycopy(bos.toByteArray(), 0, dst, dstIndex, bos.size());