public void test_edgeCaseBehavior() {
        String[] edgeCases = { "0 0 25 * * ?", // Invalid day of month
                "0 60 * * * ?", // Invalid minute
                "0 0 0 32 1 ?", // Invalid day
                "0 0 0 1 13 ?", // Invalid month
        };

        for (String cron : edgeCases) {
            boolean result = validator.determineValid(cron);

    /** The domain for the user identification cookie */
    protected String cookieDomain;

    /** The maximum age of the user identification cookie in seconds (default: 1 month) */
    protected int cookieMaxAge = 30 * 24 * 60 * 60;// 1 month

    /** The path for the user identification cookie */
    protected String cookiePath = "/";

    /** Whether the user identification cookie should be secure (HTTPS only) */