value = (value shl 4) + hexDigit
      i++
    }
    val groupLength = i - groupOffset
    if (groupLength == 0 || groupLength > 4) return null // Group is the wrong size.

    // We've successfully read a group. Assign its value to our byte array.
    address[b++] = (value.ushr(8) and 0xff).toByte()
    address[b++] = (value and 0xff).toByte()
  }

                    // Start async notification monitoring for this registration
                    startAsyncNotificationMonitoring(registration);

                    log.info("Successfully registered for witness notifications: {}", registration.getRegistrationId());

                    return registration;
                } else {

     */
    /**
     * Human-readable error messages corresponding to DOS error codes.
     * Array of descriptive strings for each DOS error condition.
     */
    String[] DOS_ERROR_MESSAGES = { "The operation completed successfully.", "Incorrect function.", "Incorrect function.",
            "The system cannot find the file specified.", "Bad password.", "The system cannot find the path specified.", "reserved",

                            ioe.printStackTrace(log);
                            continue;
                        }

                        /* An include was loaded successfully. We can skip
                         * all other includes up to the #END_ALTERNATE tag.
                         */

                        alt--;
                        while ((line = br.readLine()) != null) {

     * Changes the password for a user across all authentication chains.
     * @param username The username for which to change the password.
     * @param password The new password.
     * @return True if the password was successfully changed in all chains, false otherwise.
     */
    public boolean changePassword(final String username, final String password) {
        return chains().get(stream -> stream.allMatch(c -> c.changePassword(username, password)));

        this.config = new BaseConfiguration(true);
        this.multiChannelManager = new MultiChannelManager(config);
    }

    @Test
    @DisplayName("MultiChannelManager should initialize successfully")
    void testInitialization() {
        assertNotNull(multiChannelManager);
        MultiChannelManager.ChannelStatistics stats = multiChannelManager.getStatistics();
        assertEquals(0, stats.getActiveSessions());

 * Tests console output formatting and Unicode icon fallback behavior.
 */
@DisplayName("UpgradeContext")
class UpgradeContextTest {

    @Test
    @DisplayName("should create context successfully")
    void shouldCreateContextSuccessfully() {
        // Use existing test utilities to create a context
        UpgradeContext context = TestUtils.createMockContext(Paths.get("/test"));

            val action = actions.poll() ?: break
            action(socket)
          }
        }
      }
      return@FutureTask null
    }
  }

  /** Returns once all stream actions complete successfully. */
  fun awaitSuccess() {
    val futureTask =
      results.poll(5, TimeUnit.SECONDS)
        ?: throw AssertionError("no onRequest call received")
    futureTask.get(5, TimeUnit.SECONDS)
  }

  @BeforeEach
  fun setup() {
    // BCX509ExtendedTrustManager not supported in TlsUtil.newTrustManager
    platform.assumeNotBouncyCastle()
  }

  @Test fun `untrusted host in insecureHosts connects successfully`() {
    val serverCertificates = platform.localhostHandshakeCertificates()
    server.useHttps(serverCertificates.sslSocketFactory())
    server.enqueue(MockResponse())

    val clientCertificates =

     */
    /**
     * Human-readable error messages corresponding to DOS error codes.
     * Array of descriptive strings for each DOS error condition.
     */
    String[] DOS_ERROR_MESSAGES = { "The operation completed successfully.", "Incorrect function.", "Incorrect function.",
            "The system cannot find the file specified.", "Bad password.", "The system cannot find the path specified.", "reserved",