int threadCount = 10;
            Thread[] threads = new Thread[threadCount];
            boolean[] success = new boolean[threadCount];

            for (int i = 0; i < threadCount; i++) {
                final int index = i;
                threads[i] = new Thread(() -> {
                    try {
                        byte[] buffer = new byte[10];
                        if (index % 2 == 0) {

    void testSetFileId() {
        request = new Smb2QueryDirectoryRequest(mockConfig);
        byte[] fileId = new byte[16];
        for (int i = 0; i < 16; i++) {
            fileId[i] = (byte) (i + 1);
        }

        request.setFileId(fileId);

        // Verify by writing to buffer and checking the fileId position
        byte[] buffer = new byte[1024];

        if (src == null || dst == null) {
            throw new IllegalArgumentException("Arrays cannot be null");
        }
        if (srcOffset < 0 || dstOffset < 0 || length < 0) {
            throw new IllegalArgumentException("Offsets and length must be non-negative");
        }
        if (srcOffset + length > src.length) {
            throw new IllegalArgumentException(

        byte[] buffer = new byte[256];
        int bytesWritten = response.writeBytesWireFormat(buffer, 0);

        assertEquals(0, bytesWritten);
    }

    @Test
    void testToString() {
        // Test toString method
        response = new SmbComQueryInformationResponse(mockConfig, 0L);

        // Set test values

        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));

        smb.setBytes(bytes);

        byte[] buffer = new byte[1024];
        int length = smb.encode(buffer, 0);

        // Create a new SMB to decode into
        TestServerMessageBlock decodedSmb = new TestServerMessageBlock();
        decodedSmb.setParamWords(new byte[params.length]);
        decodedSmb.setBytes(new byte[bytes.length]);
        decodedSmb.decode(buffer, 0);

    void testConstructor() {
        // Test with normal path
        request = new Smb2CreateRequest(mockConfig, "test\\file.txt");
        assertNotNull(request);
        assertEquals("\\test\\file.txt", request.getPath());

        // Test with leading backslash
        request = new Smb2CreateRequest(mockConfig, "\\test\\file2.txt");
        assertEquals("\\test\\file2.txt", request.getPath());

        final Map<String, Object> map = new HashMap<>();
        map.put(FieldNames.TEXT, StringUtil.EMPTY);

        for (int i = 0; i < readings.length; i++) {
            map.put(FieldNames.READING_PREFIX + i, new String[] {});
        }

        map.put(FieldNames.FIELDS, new String[] {});
        map.put(FieldNames.TAGS, new String[] {});
        map.put(FieldNames.ROLES, new String[] {});

    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);

            // Host is empty -> triggers master browser path
            URL anyUrlWithEmptyHost = new URL("file:/");
            when(locator.getURL()).thenReturn(anyUrlWithEmptyHost);
            // Simulate failure to find master browser (UnknownHost wrapped in CIFSException)
            when(locator.getAddress()).thenThrow(new CIFSException("no master", new UnknownHostException("MB")));