| <!DOCTYPE html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <body> |
| <script> |
| async_test(t => { |
| assert_implements("HTMLPortalElement" in self); |
| let portal = document.createElement('portal'); |
| portal.src = "resources/invalid.asis"; |
| document.body.appendChild(portal); |
| t.add_cleanup(() => { document.body.removeChild(portal); }); |
| t.step_timeout(async () => { |
| await promise_rejects_dom(t, 'InvalidStateError', portal.activate()); |
| t.done(); |
| }, 2000); |
| }, "A portal that is showing inline content for a network error cannot be activated"); |
| </script> |
| </body> |
