// Provide a common OID for tests (Kerberos V5 mechanism OID encoded in DER)
    private static ASN1ObjectIdentifier testOid() {
        return new ASN1ObjectIdentifier("1.2.840.113554.1.2.2");
    }

    private static byte[] oidDer() {
        // Full DER encoding of the OID
        try {
            return testOid().toASN1Primitive().getEncoded();
        } catch (java.io.IOException e) {
            throw new RuntimeException(e);

        // Arrange
        testSids = new jcifs.SID[size];
        for (int i = 0; i < size; i++) {
            testSids[i] = mock(jcifs.SID.class);
            when(testSids[i].unwrap(sid_t.class)).thenReturn(mockSidT);
        }

        // Act
        lookupSids = new MsrpcLookupSids(mockPolicyHandle, testSids);

        // Assert
        assertNotNull(lookupSids);

        int writtenFid = SMBUtil.readInt2(dst, 2);
        assertEquals(TEST_FID, writtenFid);
    }

    @Test
    @DisplayName("Test writeDataWireFormat with sufficient buffer")
    void testWriteDataWireFormatSufficientBuffer() {
        // Arrange
        TransTransactNamedPipe trans = new TransTransactNamedPipe(mockConfig, TEST_FID, TEST_DATA, TEST_OFFSET, TEST_LENGTH);
        byte[] dst = new byte[100];

            // Given
            int testMid = 42;

            // When
            Constructor<SmbComNtCancel> constructor = SmbComNtCancel.class.getDeclaredConstructor(Configuration.class, int.class);
            constructor.setAccessible(true);
            SmbComNtCancel cancel = constructor.newInstance(mockConfig, testMid);

            // Then
            assertNotNull(cancel);

        trans2SetFileInfo = new Trans2SetFileInformation(config, TEST_FID, mockFileInfo);

        String result = trans2SetFileInfo.toString();

        assertNotNull(result);
        assertTrue(result.contains("Trans2SetFileInformation"));
        assertTrue(result.contains("fid=" + TEST_FID));
    }

    @Test
    @DisplayName("Test with FileBasicInfo")
    void testWithFileBasicInfo() {

    private static final int TEST_FID = 0x1234;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
    }

    @Test
    @DisplayName("Constructor should initialize with correct values")
    void testConstructor() {
        // Act
        transPeekNamedPipe = new TransPeekNamedPipe(mockConfig, TEST_PIPE_NAME, TEST_FID);

        // Assert

        // Test parameters wire format writing
        trans2FindNext2 = new Trans2FindNext2(config, TEST_SID, TEST_RESUME_KEY, TEST_FILENAME, TEST_BATCH_COUNT, TEST_BATCH_SIZE);

        byte[] buffer = new byte[256];
        int written = trans2FindNext2.writeParametersWireFormat(buffer, 0);

        // Verify sid (2 bytes)
        assertEquals(TEST_SID, SMBUtil.readInt2(buffer, 0));

        // Verify maxItems (2 bytes)

class SmbComFindClose2Test {

    @Mock
    private Configuration mockConfig;

    private SmbComFindClose2 instance;
    private final int TEST_SID = 0x1234; // 4660 decimal

    @BeforeEach
    void setUp() {
        instance = new SmbComFindClose2(mockConfig, TEST_SID);
    }

    @Test
    void testConstructorAndToString() {
        String s = instance.toString();

        SMBUtil.writeInt4(testCapabilities, buffer, bufferIndex);

        // Set server GUID (16 bytes)
        byte[] testGuid = new byte[16];
        for (int i = 0; i < 16; i++) {
            testGuid[i] = (byte) (i + 1);
        }
        System.arraycopy(testGuid, 0, buffer, bufferIndex + 4, 16);

        // Set security mode (2 bytes)
        int testSecurityMode = 0x0003;

        SmbComCreateDirectory smbCom = new SmbComCreateDirectory(mockConfig, "testDir");
        byte[] dst = new byte[10];
        int result = smbCom.writeParameterWordsWireFormat(dst, 0);
        assertEquals(0, result);
    }

    @Test
    void testWriteBytesWireFormat() {
        // Test the byte format written by the class
        String directoryName = "\testDir";