| <!DOCTYPE html> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <link id="import1" rel="import" href="resources/import-custom.html"> |
| <script> |
| 'use strict'; |
| |
| test(() => { |
| let a = import1.import.querySelector('x-x'); |
| assert_equals(Object.getPrototypeOf(a), HTMLElement.prototype, |
| '<x-x> should not have been upgreaded yet.'); |
| |
| import1.remove(); |
| assert_equals(document.querySelector('link[rel=import]'), null, |
| 'imported document should be detached'); |
| |
| customElements.define('x-x', class extends HTMLElement{}); |
| assert_equals(Object.getPrototypeOf(a), HTMLElement.prototype, |
| 'detached <x-x> should not have been upgreaded.'); |
| }, 'custom elements in detached imports should not upgrade.'); |
| </script> |
