ASN1ObjectIdentifier[] mechs = new ASN1ObjectIdentifier[] { OID_KRB, OID_NTLM };
            int flags = NegTokenInit.DELEGATION | NegTokenInit.INTEGRITY;
            byte[] mechToken = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05 };
            byte[] mic = new byte[] { (byte) 0xAA, (byte) 0xBB, (byte) 0xCC };

            NegTokenInit original = new NegTokenInit(mechs, flags, mechToken, mic);

    /**
     * Test that the constructor correctly initializes with a valid channel binding hash.
     */
    @Test
    void testConstructorWithValidHash() {
        byte[] testHash = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };
        AvChannelBindings avChannelBindings = new AvChannelBindings(testHash);

        assertEquals(AvPair.MsvAvChannelBindings, avChannelBindings.getType(), "Type should be MsvAvChannelBindings");

        // sid (2 bytes)
        buffer[0] = 0x01;
        buffer[1] = 0x00;
        // numEntries (2 bytes)
        buffer[2] = 0x05;
        buffer[3] = 0x00;
        // isEndOfSearch (2 bytes, bit 0 of first byte)
        buffer[4] = 0x01; // end of search = true
        buffer[5] = 0x00;
        // eaErrorOffset (2 bytes)
        buffer[6] = 0x00;
        buffer[7] = 0x00;
        // lastNameOffset (2 bytes)

    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;
        leaseContext = new LeaseV1CreateContextRequest(testKey, testState);

                (byte) 0x05, (byte) 0x06, (byte) 0x07, (byte) 0x08
              },
              0x89abcdef,
              0x0123456789abcdefL, // asInt/asLong as above, due to equal eight first bytes
              "efcdab89674523010102030405060708"),
          new ExpectedHashCode(
              new byte[] {(byte) 0xdf, (byte) 0x9b, (byte) 0x57, (byte) 0x13},
              0x13579bdf,
              null,

    hasher = HASH_FN.newHasher();
    hasher
        .putByte((byte) 0x01)
        .putByte((byte) 0x01)
        .putByte((byte) 0x00)
        .putByte((byte) 0x01)
        .putByte((byte) 0x00)
        .putByte((byte) 0x00)
        .putByte((byte) 0x00)
        .putByte((byte) 0x00);
    assertEquals(hashCode, hasher.hash().asLong());

    hasher = HASH_FN.newHasher();
    hasher

                // Wrong TOK_ID
                Arguments.of("wrong TOK_ID", new byte[] { 0x00, 0x02, 0x00, 0x01 }, IllegalArgumentException.class),

                // OID length claims more than available
                Arguments.of("oid length exceeds buffer", new byte[] { 0x04, 0x01, 0x00, 0x10, 0x06 }, IllegalArgumentException.class),

    // ---------------- Static read tests -----------------
    @Test
    @DisplayName("readULong correctly interprets little endian")
    void testReadULong() {
        byte[] a = new byte[] { (byte) 0x01, (byte) 0x02, (byte) 0x03, (byte) 0x04 };
        int result = NtlmMessage.readULong(a, 0);
        assertEquals(0x04030201, result, "ULong should be little‑endian");
    }

    @Test

     */
    int ATTR_READONLY = 0x01;
    /**
     * File is marked hidden
     */
    int ATTR_HIDDEN = 0x02;
    /**
     * File is marked a system file
     */
    int ATTR_SYSTEM = 0x04;
    /**
     * File is marked a volume
     */
    int ATTR_VOLUME = 0x08;
    /**
     * File is a directory
     */
    int ATTR_DIRECTORY = 0x10;

    /**

    private Smb2SessionSetupRequest request;

    // Test constants
    private static final int TEST_SECURITY_MODE = 0x01;
    private static final int TEST_CAPABILITIES = 0x00000001;
    private static final long TEST_PREVIOUS_SESSION_ID = 0x1234567890ABCDEFL;
    private static final byte[] TEST_TOKEN = { 0x01, 0x02, 0x03, 0x04, 0x05 };

    @BeforeEach
    void setUp() {
        mockConfig = mock(Configuration.class);