}
    }

    /**
     * Validates domain name
     *
     * @param domain the domain to validate
     * @throws IllegalArgumentException if domain is invalid
     */
    public static void validateDomain(String domain) {
        if (domain == null) {
            return; // Null domain allowed
        }
        if (domain.length() > MAX_DOMAIN_LENGTH) {

    @ValueSource(strings = { "domain", "domain.local", "sub.domain.com", "domain-01", "domain_test" })
    void testValidDomains(String domain) {
        assertDoesNotThrow(() -> InputValidator.validateDomain(domain));
    }

    @Test
    @DisplayName("Test safe integer addition")
    void testSafeAddition() {
        assertEquals(100, InputValidator.safeAdd(50, 50));

a.formUtils.addValidator({name:"email",validatorFunction:function(b){var c=b.toLowerCase().split("@"),d=c[0],e=c[1];if(d&&e){if(0===d.indexOf('"')){var f=d.length;if(d=d.replace(/\"/g,""),d.length!==f-2)return!1}return a.formUtils.validators.validate_domain.validatorFunction(c[1])&&0!==d.indexOf(".")&&"."!==d.substring(d.length-1,d.length)&&d.indexOf("..")===-1&&!/[^\w\+\.\-\#\-\_\~\!\$\&\'\(\)\*\+\,\;\=\:]/.test(d)}return!1},errorMessage:"",errorMessageKey:"badEmail"}),a.formUtils.addValidator(...