@Test
    @DisplayName("parseURL: explicit port is preserved")
    void testParseURL_ExplicitPortPreserved() throws MalformedURLException {
        // Arrange & Act
        Handler handler = newHandler();
        URL url = new URL(null, "smb://server:1234/share", handler);

        // Assert
        assertEquals(1234, url.getPort(), "Explicit port should be preserved");
        assertEquals("smb", url.getProtocol());
    }

            _dst.enc_ndr_short(this.length);
            _dst.enc_ndr_short(this.maximum_length);
            _dst.enc_ndr_referent(this.buffer, 1);

            if (this.buffer != null) {
                _dst = _dst.deferred;
                final int _bufferl = this.length / 2;
                final int _buffers = this.maximum_length / 2;
                _dst.enc_ndr_long(_buffers);
                _dst.enc_ndr_long(0);

    @Mock
    private rpc.unicode_string mockUnicodeString;

    @Mock
    private lsarpc.LsarSidArray mockLsarSidArray;

    @BeforeEach
    void setUp() {
        // Directly set the deferred field on the mock
        mockNdrBuffer.deferred = mockDeferredBuffer;

        // Configure mocks for NdrBuffer interactions
        lenient().when(mockDeferredBuffer.derive(anyInt())).thenReturn(mockDeferredBuffer);

            // Arrange & Act
            SmbNamedPipe pipe = new SmbNamedPipe(url, SmbPipeResource.PIPE_TYPE_RDWR, ctx());

            // Assert: type is named pipe and pipe type preserved
            assertEquals(SmbConstants.TYPE_NAMED_PIPE, pipe.getType(), "Type should be TYPE_NAMED_PIPE");
            assertEquals(SmbPipeResource.PIPE_TYPE_RDWR, pipe.getPipeType(), "Pipe type should match constructor");
        }

        assertTrue(ts.contains(ex.getMessage()), "toString should contain the detail message");
    }

    @ParameterizedTest(name = "Message preserved: [{0}]")
    @MethodSource("messages")
    @DisplayName("Message constructor preserves provided messages, including null/edge cases")
    void messageConstructor_preservesMessage(String msg) {
        // Arrange & Act

            // Assert
            assertNotNull(unwrapped);
            assertTrue(unwrapped instanceof DosFileFilter);

            // Verify fields preserved (via reflection since they are protected)
            var wildcardField = DosFileFilter.class.getDeclaredField("wildcard");
            wildcardField.setAccessible(true);

        assertTrue(s.contains("000AFF"), "toString should include MIC hex");
    }

    @Test
    @DisplayName("Mechanism ordering is preserved after parse")
    void testMechanismOrderPreserved() throws Exception {
        ASN1ObjectIdentifier[] mechs = new ASN1ObjectIdentifier[] { OID_NTLM, OID_KRB, OID_KRB_LEGACY };

    @Mock
    private rpc.unicode_string mockUnicodeString;

    @Mock
    private lsarpc.LsarSidArray mockLsarSidArray;

    @BeforeEach
    void setUp() {
        // Directly set the deferred field on the mock
        mockNdrBuffer.deferred = mockDeferredBuffer;

        // Configure mocks for NdrBuffer interactions
        lenient().when(mockDeferredBuffer.derive(anyInt())).thenReturn(mockDeferredBuffer);

        // Act
        SMBSignatureValidationException ex = new SMBSignatureValidationException("msg", mocked);

        // Assert
        assertSame(mocked, ex.getCause(), "Mocked cause should be preserved");
        verifyNoInteractions(mocked);
    }

    // Reflection-based check: ensure serialVersionUID remains the declared constant
    @Test
    @DisplayName("serialVersionUID matches declared constant")

        for (String pipeName : pipeNames) {
            TransWaitNamedPipe pipe = new TransWaitNamedPipe(pipeName);
            assertEquals(pipeName, pipe.name, "Pipe name should be preserved: " + pipeName);
            assertEquals(ServerMessageBlock.SMB_COM_TRANSACTION, pipe.command);
            assertEquals(SmbComTransaction.TRANS_WAIT_NAMED_PIPE, pipe.subCommand);
        }
    }