// Verify
        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertEquals(complexMessageCode, exception.getMessageCode());
    }

    public void test_causeChainPropagation() {
        // Setup - create a chain of exceptions
        final Exception rootCause = new IllegalArgumentException("Root cause");

        // Verify
        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertEquals(complexMessageCode, exception.getMessageCode());
    }

    public void test_causeChainPropagation() {
        // Setup - create a chain of exceptions
        final IllegalArgumentException rootCause = new IllegalArgumentException("Invalid character in query");