class ToStringTests {

        @Test
        @DisplayName("toString with valid data produces expected format")
        void testToStringWithValidData() {
            byte[] challenge = new byte[] { (byte) 0x01, (byte) 0x02, (byte) 0x03, (byte) 0xFF };
            UniAddress dc = mock(UniAddress.class);
            when(dc.toString()).thenReturn("SERVER123");

            NtlmChallenge nc = new NtlmChallenge(challenge, dc);

     * Test file attribute constants.
     */
    @Test
    @DisplayName("File attribute constants are correct")
    void fileAttributesTest() {
        assertEquals(0x01, SmbConstants.ATTR_READONLY);
        assertEquals(0x02, SmbConstants.ATTR_HIDDEN);
        assertEquals(0x04, SmbConstants.ATTR_SYSTEM);
        assertEquals(0x08, SmbConstants.ATTR_VOLUME);
        assertEquals(0x10, SmbConstants.ATTR_DIRECTORY);
    }

    /**

     */
    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 */
    /**
     * Pending cancel flag - indicates cancel was pending at sender
     */
    int DCERPC_PENDING_CANCEL = 0x04; /* Cancel was pending at sender */
    /**
     * Reserved flag for future use

    private LeaseV1CreateContextRequest leaseContext;
    private Smb2LeaseKey testKey;
    private int testState;

    @BeforeEach
    void setUp() {
        byte[] keyBytes = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10 };
        testKey = new Smb2LeaseKey(keyBytes);
        testState = Smb2LeaseState.SMB2_LEASE_READ_WRITE;

            java.lang.reflect.Field flagsField = jcifs.dcerpc.DcerpcMessage.class.getDeclaredField("flags");
            flagsField.setAccessible(true);
            assertEquals(0x01 | 0x02, flagsField.get(msrpcSamrOpenAlias),
                    "flags should be initialized to DCERPC_FIRST_FRAG | DCERPC_LAST_FRAG");
        } catch (NoSuchFieldException | IllegalAccessException e) {

        // Test successful reading of 6 bytes from the input stream.
        // The content of these bytes is not critical for this test, only that 6 bytes are read.
        byte[] data = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06 }; // Sample 6 bytes
        ByteArrayInputStream bais = new ByteArrayInputStream(data);
        SessionRetargetResponsePacket packet = new SessionRetargetResponsePacket();

        writeInt2(nameTrnId, dst, dstIndex);
        dst[dstIndex + OPCODE_OFFSET] = (byte) ((isResponse ? 0x80 : 0x00) + (opCode << 3 & 0x78) + (isAuthAnswer ? 0x04 : 0x00)
                + (isTruncated ? 0x02 : 0x00) + (isRecurDesired ? 0x01 : 0x00));
        dst[dstIndex + OPCODE_OFFSET + 1] = (byte) ((isRecurAvailable ? 0x80 : 0x00) + (isBroadcast ? 0x10 : 0x00) + (resultCode & 0x0F));

        writeInt2(this.nameTrnId, dst, dstIndex);
        dst[dstIndex + OPCODE_OFFSET] = (byte) ((this.isResponse ? 0x80 : 0x00) + (this.opCode << 3 & 0x78)
                + (this.isAuthAnswer ? 0x04 : 0x00) + (this.isTruncated ? 0x02 : 0x00) + (this.isRecurDesired ? 0x01 : 0x00));
        dst[dstIndex + OPCODE_OFFSET + 1] =
                (byte) ((this.isRecurAvailable ? 0x80 : 0x00) + (this.isBroadcast ? 0x10 : 0x00) + (this.resultCode & 0x0F));

     * 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);
        });
    }

    /**

        byte[] dst = new byte[2];
        int bytesWritten = smbComDelete.writeParameterWordsWireFormat(dst, 0);
        assertEquals(2, bytesWritten);
        // ATTR_HIDDEN (0x02) | ATTR_SYSTEM (0x04) = 0x06
        assertEquals(0x06, dst[0]);
        assertEquals(0x00, dst[1]);
    }

    @Test
    public void testWriteBytesWireFormat() {
        // Test the writing of bytes to a byte array