WebApiUtil.setError(999, "Large status code");

            // Test with very long message
            StringBuilder longMessage = new StringBuilder();
            for (int i = 0; i < 1000; i++) {
                longMessage.append("This is a very long error message. ");
            }
            WebApiUtil.setError(500, longMessage.toString());

    //                                                                           =========
    // keeping parsed request parameters, normal texts or uploaded files
    // keys are requested parameter names (treated as field name here)
    protected Map<String, Object> elementsAll; // lazy-loaded, then after not null
    protected Map<String, MultipartFormFile> elementsFile; // me too
    protected Map<String, String[]> elementsText; // me too

        // Writer thread sets alive to false early
        Thread writerThread = new Thread(() -> {
            try {
                startLatch.await(); // Wait for start signal
                // Set alive to false very early - no delay
                dataStore.alive = false;
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
            }
        });
        writerThread.start();

            assertNotNull(results);
        }
    }

    /**
     * Test handling of very slow searcher (simulates timeout scenario).
     */
    @Test
    public void test_slowSearcher() throws Exception {
        try (RankFusionProcessor processor = new RankFusionProcessor()) {

        assertTrue(toStringResult.contains(SsoLoginException.class.getName()));
        assertTrue(toStringResult.contains(message));
    }

    @Test
    public void test_longMessage() {
        // Test with very long message
        StringBuilder longMessage = new StringBuilder();
        for (int i = 0; i < 1000; i++) {
            longMessage.append("Long SSO error message part ").append(i).append(" ");
        }

        helper.delayByRules();
        end = System.currentTimeMillis();
        assertTrue(end - start < 50); // Should return quickly

        // Test with rule that has delay (we'll use a very short delay for testing)
        helper.ruleList.clear();
        helper.addIntervalRule("12:00", "13:00", "*", 10);
        start = System.currentTimeMillis();
        helper.delayByRules();

            }
        };

        String[] testStrings = { "simple", "with spaces", "special!@#$%^&*()", "unicode_test", "", "very long string " + "x".repeat(100) };

        for (String testStr : testStrings) {
            String encrypted = cipher.encrypt(testStr);
            String decrypted = cipher.decrypt(encrypted);

        // during the process, though we can't directly test the lock state

        // When
        try {
            curtainBeforeHook.processDBFluteSystem();

            // Then - if we get here without exception, the unlock/lock worked
            DfFinalTimeZoneProvider provider = getDBFluteSystemTimeZoneProvider();
            // Provider might be null due to reflection limitations, which is ok

        // Messages should not be affected by cause
        assertFalse(exception1.getMessage().equals(exception2.getMessage()));
    }

    @Test
    public void test_longMessage() {
        // Test with very long message
        StringBuilder longMessage = new StringBuilder();
        for (int i = 0; i < 1000; i++) {
            longMessage.append("LDAP error ").append(i).append(" ");
        }

        assertEquals("Root cause", exception.getCause().getCause().getMessage());
    }

    @Test
    public void test_withLongMessage() {
        // Test with a very long message
        StringBuilder longMessage = new StringBuilder();
        for (int i = 0; i < 1000; i++) {
            longMessage.append("Error message part ").append(i).append(" ");
        }