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

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

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

    @Test
    public void test_inheritanceFromFessSystemException() {
        // Test that StorageException extends FessSystemException
        StorageException exception = new StorageException("Test");

        assertTrue(exception instanceof FessSystemException);