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() {

        assertSame(firstCall, secondCall);
        assertEquals(type, firstCall);
    }

    public void test_inheritanceFromFessSystemException() {
        // Test that InvalidAccessTokenException is properly inherited from FessSystemException
        String type = "SessionToken";
        String message = "Session expired";
        InvalidAccessTokenException exception = new InvalidAccessTokenException(type, message);

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

    public void test_serialization() {
        // Test serialVersionUID is properly defined
        GsaConfigException exception = new GsaConfigException("Serialization test");

        // Verify the exception is serializable (has serialVersionUID)
        assertNotNull(exception);

    public void test_process_withPropertiesPath() throws Exception {
        // Test that properties path is properly handled
        // Create temporary properties file
        File propFile = File.createTempFile("test", ".properties");
        propFile.deleteOnExit();
        FileUtil.writeBytes(propFile.getAbsolutePath(), "test.property=value".getBytes());

        Crawler.Options options = new Crawler.Options();

            TimeZone.setDefault(originalDefault);
        }
    }

    public void test_processDBFluteSystem_unlocksAndLocks() {
        // This test verifies that the DBFluteSystem is properly unlocked and locked
        // during the process, though we can't directly test the lock state

        // When
        try {
            curtainBeforeHook.processDBFluteSystem();

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

    public void test_inheritanceFromFessSystemException() {
        // Test that LdapOperationException is properly inherited from FessSystemException
        LdapOperationException exception = new LdapOperationException("Test");

        assertTrue(exception instanceof FessSystemException);

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

    public void test_inheritance() {
        // Test that ThemeException properly extends FessSystemException
        ThemeException exception = new ThemeException("Test");

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