authElementVector.add(new DERTaggedObject(0, new ASN1Integer(999))); // ad-type
        authElementVector.add(new DERTaggedObject(1, new DEROctetString(new byte[] { 1, 2, 3, 4 })));
        authDataVector.add(new DERSequence(authElementVector));
        vector.add(new DERTaggedObject(10, new DERSequence(authDataVector)));

        DERSequence sequence = new DERSequence(vector);

    void testGetExpiration() {
        SmbSessionImpl session = newSession();
        assertNull(session.getExpiration());
        setField(session, "expiration", 123L);
        assertEquals(123L, session.getExpiration());
        setField(session, "expiration", 0L);
        assertNull(session.getExpiration());
    }

    @Test

        }
    }

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        when(mockConfig.getMaximumBufferSize()).thenReturn(65535);
        when(mockConfig.getPid()).thenReturn(1234);
        response = new TestSmbComTransactionResponse(mockConfig);
    }

    @Test
    @DisplayName("Test constructor initialization with config only")
    void testConstructorWithConfigOnly() {

        when(this.config.isEnforceSpnegoIntegrity()).thenReturn(false);
        when(this.config.isDisableSpnegoIntegrity()).thenReturn(false);
        this.mechs = new ASN1ObjectIdentifier[] { new ASN1ObjectIdentifier("1.2.3.4") };
    }

    private SpnegoContext newContext() {
        return new SpnegoContext(this.config, this.mechContext, this.mechs);
    }

    @Test
    @DisplayName("getSupportedMechs returns SPNEGO OID")

        assertTrue(s1.contains("//u/one"));
        assertTrue(s1.contains("0102"), "Expected hex fileId in string");

        SmbFileHandleImpl h2 = new SmbFileHandleImpl(cfg, 77, tree, "//u/two", -1, -2, -3, -4, 0L);
        String s2 = h2.toString();
        assertTrue(s2.contains("//u/two"));
        assertTrue(s2.contains("77"), "Expected numeric fid in string");
    }

        defaultBindings.setModelId(DefaultLifecycleRegistry.DEFAULT_LIFECYCLE_MODELID);

        final Plugin plugin = mojoDescriptor.getPluginDescriptor().getPlugin();
        plugin.setLocation("version", new InputLocation(12, 34, defaultBindings));
        MojoExecution result = new MojoExecution(plugin, goal, executionId);
        result.setConfiguration(XmlNode.newInstance(executionId + "-" + goal));
        result.setMojoDescriptor(mojoDescriptor);

        // Test when sd_size doesn't match actual array size
        srvsvc.ShareInfo502 info502 = new srvsvc.ShareInfo502();
        info502.security_descriptor = new byte[] { 1, 2, 3, 4 };
        info502.sd_size = 100; // Mismatched size - SecurityDescriptor will try to read beyond array bounds

        // Replace info field

        assertEquals("FF", Hexdump.toHexString(255, 2));

        // Test larger values
        assertEquals("00001234", Hexdump.toHexString(0x1234, 8));
        assertEquals("1234", Hexdump.toHexString(0x1234, 4));
        assertEquals("34", Hexdump.toHexString(0x1234, 2));

        // Test negative values (treated as unsigned)
        assertEquals("FFFFFFFF", Hexdump.toHexString(-1, 8));

    }

    @Test
    @DisplayName("Should get challenge from server")
    void testGetChallenge() throws Exception {
        // Given: Mock transport with server key
        byte[] expectedKey = { 1, 2, 3, 4 };

        SmbTransportPoolImpl poolSpy = spy(pool);
        when(ctx.getTransportPool()).thenReturn(poolSpy);

        SmbTransportImpl mockTransport = mock(SmbTransportImpl.class);

func TestWriterDirAttributes(t *testing.T) {
	var buf bytes.Buffer
	w := NewWriter(&buf)
	if _, err := w.CreateHeader(&FileHeader{
		Name:               "dir/",
		Method:             Deflate,
		CompressedSize64:   1234,
		UncompressedSize64: 5678,
	}); err != nil {
		t.Fatal(err)
	}
	if err := w.Close(); err != nil {
		t.Fatal(err)
	}
	b := buf.Bytes()

	var sig [4]byte