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

    public void test_serialVersionUID() {
        // Test that serialVersionUID is properly set
        CommandExecutionException exception1 = new CommandExecutionException("Test");
        CommandExecutionException exception2 = new CommandExecutionException("Test");

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

    public void test_exceptionInheritance() {
        // Test that JobNotFoundException properly extends FessSystemException
        JobNotFoundException exception = new JobNotFoundException("test");

        assertTrue(exception instanceof FessSystemException);
        assertTrue(exception instanceof RuntimeException);

        emptyGenerator.addCondition("field1", "pattern1");
        emptyGenerator.addCondition("field1", "pattern2");
        emptyGenerator.addCondition("field2", "pattern.*");

        // We can't test isTarget properly without container,
        // but we can verify conditions are added
        assertNotNull(emptyGenerator);

        // Test that multiple conditions can be added without errors

        assertNotNull(causeStackTrace);
        assertTrue(causeStackTrace.length > 0);
    }

    public void test_throwAndCatch() {
        // Test that the exception can be thrown and caught properly
        ServletException originalException = new ServletException("Throw test");

        try {
            throw new ServletRuntimeException(originalException);
        } catch (ServletRuntimeException caught) {

        // Create a concrete implementation for testing
        rankFusionSearcher = new TestRankFusionSearcher();
    }

    public void test_getName_defaultBehavior() {
        // Test that getName() properly converts class name to lowercase without "Searcher" suffix
        assertEquals("test_rank_fusion", rankFusionSearcher.getName());
    }

    public void test_getName_cachesBehavior() {

        assertTrue(exception instanceof FessSystemException);
        assertTrue(exception instanceof RuntimeException);
    }

    public void test_serialVersionUID() {
        // Test that serialVersionUID is properly defined
        ContainerNotAvailableException exception1 = new ContainerNotAvailableException("test");
        ContainerNotAvailableException exception2 = new ContainerNotAvailableException("test");

        assertEquals(middleCause, topException.getCause());
        assertEquals(rootCause, topException.getCause().getCause());
    }

    public void test_serialVersionUID() {
        // Test that serialVersionUID is properly defined
        SsoProcessException exception1 = new SsoProcessException("Test");
        SsoProcessException exception2 = new SsoProcessException("Test");

        // Both instances should be of the same class

        assertTrue(exception instanceof Exception);
        assertTrue(exception instanceof Throwable);
    }

    public void test_stackTrace() {
        // Test that stack trace is properly captured
        final JobProcessingException exception = new JobProcessingException("Stack trace test");

        assertNotNull(exception.getStackTrace());
        assertTrue(exception.getStackTrace().length > 0);

        assertEquals("org.apache.lucene.queryparser.classic.ParseException: " + errorMessage, queryParseException.getMessage());
    }

    public void test_getCause() {
        // Test that the cause is properly set and retrievable
        ParseException parseException = new ParseException("Query parsing failed");
        QueryParseException queryParseException = new QueryParseException(parseException);

        // Test that constructor creates a non-null instance
        assertNotNull(crawlerEngineClient);
    }

    // Test inheritance
    public void test_inheritance() {
        // Test that CrawlerEngineClient is properly inherited
        assertTrue(crawlerEngineClient instanceof org.codelibs.fess.crawler.client.FesenClient);
    }

    // Test multiple instances
    public void test_multipleInstances() {