| <!DOCTYPE html> |
| <body> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| test(() => { |
| class NotFormAssociatedElement extends HTMLElement {} |
| customElements.define('my-element1', NotFormAssociatedElement); |
| const element = new NotFormAssociatedElement(); |
| const i = element.attachInternals(); |
| |
| assert_throws_dom('NotSupportedError', () => i.setFormValue('')); |
| assert_throws_dom('NotSupportedError', () => i.form); |
| assert_throws_dom('NotSupportedError', () => i.setValidity({})); |
| assert_throws_dom('NotSupportedError', () => i.willValidate); |
| assert_throws_dom('NotSupportedError', () => i.validity); |
| assert_throws_dom('NotSupportedError', () => i.validationMessage); |
| assert_throws_dom('NotSupportedError', () => i.checkValidity()); |
| assert_throws_dom('NotSupportedError', () => i.reportValidity()); |
| assert_throws_dom('NotSupportedError', () => i.labels); |
| }, 'Form-related operations and attributes should throw NotSupportedErrors' + |
| ' for non-form-associated custom elements.'); |
| </script> |
| </body> |