assertEquals(message, exception.getMessage());
        assertEquals(cause, exception.getCause());
    }

    public void test_constructor_withCause() {
        // Test constructor with cause only
        Throwable cause = new IllegalArgumentException("Cause exception");
        FessSystemException exception = new FessSystemException(cause);

    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];

    }

    // Test execute with exception in booster
    public void test_execute_withException() {
        TestScoreBooster booster1 = new TestScoreBooster(100L);
        ExceptionScoreBooster booster2 = new ExceptionScoreBooster();
        TestScoreBooster booster3 = new TestScoreBooster(300L);

        scoreUpdater.addScoreBooster(booster1);
        scoreUpdater.addScoreBooster(booster2);

        DictionaryExpiredException original = new DictionaryExpiredException();

        // Serialize
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(baos);
        oos.writeObject(original);
        oos.close();

        // Deserialize
        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());

    public void test_insert_multipleChains() {
        User user = createTestUser("testuser");
        TestAuthenticationChain chain1 = new TestAuthenticationChain();
        TestAuthenticationChain chain2 = new TestAuthenticationChain();
        TestAuthenticationChain chain3 = new TestAuthenticationChain();

        authenticationManager.addChain(chain1);
        authenticationManager.addChain(chain2);

        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

        // Test basic process execution
        TestWebApiManager manager = new TestWebApiManager("/api");

        TestHttpServletRequest request = new TestHttpServletRequest();
        request.setRequestURI("/api/test");
        TestHttpServletResponse response = new TestHttpServletResponse();
        TestFilterChain chain = new TestFilterChain();

        manager.process(request, response, chain);

    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());

            // 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")));

                    readings[0] = l.toArray(new String[l.size()]);

                    if (items == null) {
                        items = new ArrayList<>(text.length() * fields.length / field.length());
                    }

                    final String[] langs = lang == null ? new String[] {} : new String[] { lang };
                    items.add(new SuggestItem(words, readings, new String[] { field }, 1L, 0, -1, tags, roles, langs,