@DisplayName("Should implement equals correctly")
    void testEquals() {
        byte[] testBytes1 = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10 };
        byte[] testBytes2 = Arrays.copyOf(testBytes1, 16);
        byte[] testBytes3 = new byte[] { 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20 };

    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() {

    /**
     * Shutdown packet type
     */
    int RPC_PT_SHUTDOWN = 0x11;
    /**
     * Cancel packet type
     */
    int RPC_PT_CANCEL = 0x12;
    /**
     * Acknowledgment packet type
     */
    int RPC_PT_ACK = 0x13;
    /**
     * Reject packet type
     */
    int RPC_PT_REJECT = 0x14;
    /**
     * Connection-oriented cancel packet type
     */

            originalUuid.clock_seq_hi_and_reserved = (byte) 0x99;
            originalUuid.clock_seq_low = (byte) 0x88;
            originalUuid.node = new byte[] { (byte) 0x11, (byte) 0x22, (byte) 0x33, (byte) 0x44, (byte) 0x55, (byte) 0x66 };

            // Mock encoding buffer
            NdrBuffer encodeBuffer = mock(NdrBuffer.class);
            when(encodeBuffer.derive(anyInt())).thenReturn(encodeBuffer);

            assertArrayEquals(new byte[] { 0x42 }, parsed.getMechanismToken(), "Should parse token");
        });
    }

    @Test
    @DisplayName("Parse rejects unknown nested token field")
    void testParseRejectsUnknownField() throws Exception {
        ASN1TaggedObject unknown = new DERTaggedObject(true, 7, new DEROctetString(new byte[] { 0x01 }));

    void testSetFlagFalse() {
        msg.setFlag(0x4, true);
        msg.setFlag(0x4, false);
        assertFalse(msg.getFlag(0x4), "Bit should be cleared after setFlag(false)");
    }

    // ---------------- Static read tests -----------------
    @Test
    @DisplayName("readULong correctly interprets little endian")
    void testReadULong() {
        byte[] a = new byte[] { (byte) 0x01, (byte) 0x02, (byte) 0x03, (byte) 0x04 };

        assertEquals(dst.length, n);

        // resumeKey (LE) at offset 6..9 should be 0x11121314 -> 14 13 12 11
        assertEquals((byte) 0x14, dst[6]);
        assertEquals((byte) 0x13, dst[7]);
        assertEquals((byte) 0x12, dst[8]);
        assertEquals((byte) 0x11, dst[9]);

        // filename content
        byte[] nameBytes = updatedName.getBytes();
        for (int i = 0; i < nameBytes.length; i++) {

        // Prepare padded arrays
        byte[] customData = new byte[8];
        customData[0] = 0x01;
        customData[1] = 0x02;

        byte[] machineId = new byte[32];
        machineId[0] = 0x10;
        machineId[1] = 0x11;
        machineId[2] = 0x12;

        AvSingleHost avSingleHost = new AvSingleHost(customData, machineId);

        assertEquals(0x07, buffer[11]);
        assertEquals(0x08, buffer[12]);
    }

    @Test
    void testReadOctetArray() {
        byte[] sourceData = { 0x10, 0x11, 0x12, 0x13, 0x14 };
        System.arraycopy(sourceData, 0, buffer, 0, sourceData.length);

        byte[] destData = new byte[5];
        ndrBuffer.readOctetArray(destData, 0, sourceData.length);

    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);