f.set(c, val);
        } catch (Exception e) {
            throw new AssertionError(e);
        }
    }

    // Helper to build a minimal smb URL
    private static URL smbUrl(String spec) throws Exception {
        return new URL(null, spec, new Handler());
    }

    @Test
    @DisplayName("getConfig returns context config")
    void getConfig_returnsConfig() {

        return normalized;
    }

    /**
     * Validate an SMB URL
     *
     * @param smbUrl the SMB URL to validate
     * @return normalized safe URL
     * @throws SmbException if URL is invalid
     */
    public String validateSmbUrl(String smbUrl) throws SmbException {
        if (smbUrl == null || smbUrl.isEmpty()) {
            throw new SmbException("SMB URL cannot be null or empty");
        }

    }

    private static URL smbUrl(String spec) {
        try {
            return new URL(null, spec, SMB_HANDLER);
        } catch (Exception e) {
            throw new AssertionError(e);
        }
    }

    private SmbResourceLocatorImpl locator(String spec) {
        return new SmbResourceLocatorImpl(ctx, smbUrl(spec));
    }

    @Test

import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.Configuration;

@ExtendWith(MockitoExtension.class)
class SmbTreeConnectionTraceTest {

    // Helper to build a minimal smb URL
    private static URL smbUrl(String spec) {
        try {
            return new URL(null, spec, new Handler());
        } catch (MalformedURLException e) {
            throw new AssertionError("Failed to create SMB URL: " + spec, e);
        }
    }

        lenient().when(locator.getUNCPath()).thenReturn("\\\\SERVER\\Share\\dir\\"); // ends with \\

        // Create URL with registered handler
        URL smbUrl = new URL("smb://server/share/dir/");
        lenient().when(locator.getURL()).thenReturn(smbUrl);
    }

    // Helper: reflectively set private/protected field on an object
    private static void setField(Object target, Class<?> declaring, String name, Object value) {

                        }
                    }
                }
                if (logger.isDebugEnabled()) {
                    logger.debug("smbUrl:{} roleType:{}", responseData.getUrl(), roleTypeList);
                }
            } else if (responseData.getUrl().startsWith("smb1:")) {