assertEquals(-1, problem.getColumnNumber());

        problem = new DefaultProblem(null, null, null, -1, 42, null);
        assertEquals(42, problem.getColumnNumber());

        problem = new DefaultProblem(null, null, null, -1, Integer.MAX_VALUE, null);
        assertEquals(Integer.MAX_VALUE, problem.getColumnNumber());

        // this case is not specified, might also return -1

    } else if (previousValue instanceof PredAndSucc) {
      adjacentNodeValues.put((N) node, PRED);
      removedValue = ((PredAndSucc) previousValue).successorValue;
    } else { // successor
      adjacentNodeValues.remove(node);
      removedValue = previousValue;
    }

    if (removedValue != null) {
      checkNonNegative(--successorCount);

      if (orderedNodeConnections != null) {

                mavenSession, mock(RepositorySystem.class), null, null, new DefaultLookup(container), null);

        MojoExecution mojoExecution = newMojoExecution(session);

        return new PluginParameterExpressionEvaluatorV4(
                session, project != null ? new DefaultProject(session, project) : null, mojoExecution);
    }

    private MojoExecution newMojoExecution(Session session) {

        try {
            pdfExtractor.getText(null, null);
            fail();
        } catch (final CrawlerSystemException e) {
            // NOP
        }
    }

    public void test_getPassword_null() {
        String url;
        String resourceName;
        HashMap<String, String> params = new HashMap<>();

        url = null;
        resourceName = null;
        params.put(ExtractData.URL, url);

        artifacts.add(new DefaultArtifact("g", "a2", "v", "compile", "jar", "", null));
        artifacts.add(new DefaultArtifact("g", "a3", "v", "compile", "jar", "", null));
        artifacts.add(new DefaultArtifact("g", "a4", "v", "compile", "jar", "", null));

        cache.put(project1, new SetWithResolutionResult(null, artifacts));

        assertArrayEquals(

                Map<String, String> headers = null;
                Integer connectTimeout = null;
                Integer requestTimeout = null;

                PlexusConfiguration httpHeaders = config.getChild("httpHeaders", false);
                if (httpHeaders != null) {
                    PlexusConfiguration[] properties = httpHeaders.getChildren("property");

    @Test
    @DisplayName("createContext accepts null/empty optional parameters")
    void createContext_edge_parameters_ok() throws Exception {
        TestCredentials creds = new TestCredentials("D", false, false, new Subject(), false);
        // Intentionally pass null/empty values for optional parameters; expect no exception
        SSPContext ctx1 = creds.createContext(mockContext, null, "", null, false);
        assertNotNull(ctx1);
    }

        this.sessionKey = sessionKey != null ? sessionKey.clone() : null;
        this.preauthIntegrityHash = preauthHash != null ? preauthHash.clone() : null;

        // Generate unique session ID for key management
        this.sessionId = String.format("smb-enc-%d-%d", System.currentTimeMillis(), secureRandom.nextLong());

        if (keyManager != null) {
            // Store keys securely

        if (os == null) {
            return false;
        }
        return true;
    }

    private boolean ensureAtLeastOneNonNull(ActivationOS os) {
        return os.getArch() != null || os.getFamily() != null || os.getName() != null || os.getVersion() != null;
    }

    private boolean determineVersionMatch(String expectedVersion, String actualVersion) {
        String test = expectedVersion;

        final String value = getHttpFileuploadMaxSize();
        return value != null ? DfTypeUtil.toLong(value) : null;
    }

    String getHttpFileuploadThresholdSize();

    default Long getHttpFileuploadThresholdSizeAsLong() {
        final String value = getHttpFileuploadThresholdSize();
        return value != null ? DfTypeUtil.toLong(value) : null;
    }

    String getPasswordInvalidAdminPasswords();