<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=600155 --> <head> <title>Test for Bug 600155</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=600155">Mozilla Bug 600155</a> <p id="display"></p> <div id='content' style='display:none;'> </div> <pre id="test"> <script type="application/javascript"> /** Test for Bug 600155 **/ var subjectForConstraintValidation = [ "input", "select", "textarea" ]; var content = document.getElementById('content'); for (var eName of subjectForConstraintValidation) { var e = document.createElement(eName); content.appendChild(e); e.setAttribute("x-moz-errormessage", "foo"); if ("required" in e) { e.required = true; } else { e.setCustomValidity("bar"); } // At this point, the element is invalid. is(e.validationMessage, "foo", "the validation message should be the author one"); content.removeChild(e); } </script> </pre> </body> </html>