throw new RuntimeException("Wrong length: " + x);
      }
    }
  }

  private static String oldRepeat(String string, int count) {
    // If this multiplication overflows, a NegativeArraySizeException or
    // OutOfMemoryError is not far behind
    int len = string.length();
    int size = len * count;
    char[] array = new char[size];
    for (int i = 0; i < size; i += len) {

        SimpleCircuitBreaker breaker = new SimpleCircuitBreaker("concurrent", 5, 3, 100);
        AtomicInteger successCount = new AtomicInteger(0);
        AtomicInteger failureCount = new AtomicInteger(0);

        // Create multiple threads
        Thread[] threads = new Thread[10];
        for (int i = 0; i < threads.length; i++) {
            final int index = i;
            threads[i] = new Thread(() -> {

        if (smbUrl == null || smbUrl.isEmpty()) {
            throw new SmbException("SMB URL cannot be null or empty");
        }

        // Check URL format
        if (!smbUrl.toLowerCase().startsWith("smb://")) {
            throw new SmbException("Invalid SMB URL format");
        }

        try {
            URL url = new URL(null, smbUrl, new jcifs.smb.Handler());

            // Validate host

        List<FileNotifyInformation> info = new ArrayList<>();
        NotifyResponse resp = mock(NotifyResponse.class);
        when(resp.isReceived()).thenReturn(true);
        when(resp.getErrorCode()).thenReturn(0);
        when(resp.getNotifyInformation()).thenReturn(info);
        setupSmb2(resp, new byte[16]);
        SmbWatchHandleImpl sut = new SmbWatchHandleImpl(handle, 0x1234, true);

    void testType1MessageFromBytes() throws IOException {
        // Given - Create a Type 1 message and convert to bytes
        Type1Message original = new Type1Message(mockContext);
        byte[] messageBytes = original.toByteArray();

        // When
        Type1Message parsed = new Type1Message(messageBytes);

        // Then
        // Note: getType() method does not exist in Type1Message

    private ModelResolver newModelResolver() throws Exception {
        final File localRepo = new File(this.getLocalRepository().getBasedir());
        final DefaultRepositorySystemSession repoSession = new DefaultRepositorySystemSession(h -> false);
        repoSession.setLocalRepositoryManager(new LegacyLocalRepositoryManager(localRepo));

        return new ProjectModelResolver(
                repoSession,
                null,

    void setUp() throws UnknownHostException {
        failover = new ChannelFailover(mockChannelManager);

        InetAddress addr = InetAddress.getByName("192.168.1.100");
        NetworkInterfaceInfo localInterface = new NetworkInterfaceInfo(addr, 1000);
        NetworkInterfaceInfo remoteInterface = new NetworkInterfaceInfo(addr, 1000);

        failedChannel = new ChannelInfo("failed-channel", mockTransport, localInterface, remoteInterface);

    }

    protected FessJsonResourceProvider createJsonResourceProvider() {
        return new FessJsonResourceProvider();
    }

    protected FessCurtainBeforeHook createCurtainBeforeHook() {
        return new FessCurtainBeforeHook();
    }

    protected FessCurtainFinallyHook createCurtainFinallyHook() {
        return new FessCurtainFinallyHook();
    }

        assertEquals(0, msg.writeBytesWireFormat(null, index));
    }

    @ParameterizedTest
    @ValueSource(ints = { 0, -1, 7 })
    @DisplayName("readParameterWordsWireFormat always returns 0")
    void readParameterWordsWireFormatReturnsZero(int index) {
        SmbComLogoffAndX msg = new SmbComLogoffAndX(null);
        assertEquals(0, msg.readParameterWordsWireFormat(new byte[5], index));

    StringBuilder builder = new StringBuilder();
    Writer writer = new AppendableWriter(builder);

    writer.append("Hello,");
    writer.append(' ');
    writer.append("The World Wide Web", 4, 9);
    writer.append("!");

    assertEquals("Hello, World!", builder.toString());
  }

  public void testCloseFlush() throws IOException {
    SpyAppendable spy = new SpyAppendable();