Arrays.fill(destData, (byte) 0x00); // Clear destData
        ndrBuffer.readOctetArray(destData, 1, 3); // Read 0x10, 0x11, 0x12 into destData[1-3]

        assertEquals(3, ndrBuffer.getIndex());
        assertEquals(0x00, destData[0]);
        assertEquals(0x10, destData[1]);
        assertEquals(0x11, destData[2]);
        assertEquals(0x12, destData[3]);
        assertEquals(0x00, destData[4]);
    }

    @Test

    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);

                new byte[] { (byte) 0xbb, (byte) 0x6e, (byte) 0xd3, (byte) 0x08, (byte) 0x70, (byte) 0xb7, (byte) 0xf0, (byte) 0xe0 });

        // 64-fold("kerberos")
        verifyNfold("kerberos", 8,
                new byte[] { (byte) 0x6b, (byte) 0x65, (byte) 0x72, (byte) 0x62, (byte) 0x65, (byte) 0x72, (byte) 0x6f, (byte) 0x73 });
    }

    /**
     * Helper method to verify n-fold expansion.
     */

        SmbComLockingAndX cmd = new SmbComLockingAndX(cfg);
        // set fields via reflection
        setField(cmd, "fid", 0x1234);
        setField(cmd, "typeOfLock", (byte) 0x05);
        setField(cmd, "newOpLockLevel", (byte) 0x01);
        setField(cmd, "timeout", 3000L);
        // arrays of one lock and one unlock range
        LockingAndXRange lock = new LockingAndXRange(false);

        PrintStream ps = new PrintStream(baos);

        // Test with control characters and printable characters
        byte[] data = { 0x00, 0x01, 0x09, 0x0A, 0x0D, 0x1F, // Control characters
                0x20, 0x41, 0x42, 0x7E, // Printable characters
                (byte) 0x7F, (byte) 0x80, (byte) 0xFF // Extended/control
        };

        Hexdump.hexdump(ps, data, 0, data.length);

        originalPairs.add(new AvTimestamp(new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 }));
        originalPairs.add(new AvTargetName("TESTNAME".getBytes()));
        originalPairs.add(new AvSingleHost(new byte[] { 0x11, 0x22, 0x33, 0x44 }));
        originalPairs.add(new AvChannelBindings(new byte[] { 0x55, 0x66 }));

        byte[] encoded = AvPairs.encode(originalPairs);

        // Test with a basic byte array
        byte[] data = { 0x01, 0x02, 0x03, 0x04, 0x05 };
        ByteEncodable encodable = new ByteEncodable(data, 1, 3);

        // Verify size
        assertEquals(3, encodable.size(), "Size should be equal to the specified length");
    }

    @Test
    void testEncodeBasic() {
        // Test basic encoding
        byte[] data = { 0x01, 0x02, 0x03, 0x04, 0x05 };

    public void testReadSid() throws IOException, PACDecodingException {
        // A simple SID: S-1-1-0
        byte[] data = new byte[] { 0x01, 0x00, 0x00, 0x00, // sidSize = 1
                0x01, // revision
                0x01, // sub-authority count
                0x00, 0x00, 0x00, 0x00, 0x00, 0x01, // authority
                0x00, 0x00, 0x00, 0x00 // sub-authority 1
        };
        PacDataInputStream pdis = createInputStream(data);

        // Add minimal SID data (S-1-1-0 - Everyone)
        testBuffer[8] = 0x01; // Revision
        testBuffer[9] = 0x01; // Sub-authority count
        testBuffer[10] = 0x00; // Identifier authority
        testBuffer[11] = 0x00;
        testBuffer[12] = 0x00;
        testBuffer[13] = 0x00;
        testBuffer[14] = 0x00;
        testBuffer[15] = 0x01;
        testBuffer[16] = 0x00; // Sub-authority
        testBuffer[17] = 0x00;

        closeHandleCaptor = ArgumentCaptor.forClass(MsrpcSamrCloseHandle.class);
    }

    @Test
    void constructor_shouldOpenDomainSuccessfully() throws IOException {
        // Arrange
        int access = 0x01; // Example access value
        // Simulate successful RPC call
        doAnswer(invocation -> {
            MsrpcSamrOpenDomain rpc = invocation.getArgument(0);
            rpc.retval = 0; // Success
            return null;