| <!doctype html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <iframe id="i" src="/common/blank.html"></iframe> |
| <script> |
| async_test(t => { |
| navigation.onnavigate = t.step_func(e => { |
| t.step_timeout(t.step_func_done(() => { |
| assert_equals(e.eventPhase, Event.NONE); |
| assert_throws_dom("InvalidStateError", () => e.transitionWhile(Promise.resolve())); |
| }), 0); |
| }); |
| |
| location.href = "#1"; |
| }, "event.transitionWhile() throws if used after the dispatch phase"); |
| </script> |
