| <!doctype html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/helpers.js"></script> |
| |
| <script> |
| promise_test(async t => { |
| // Wait for after the load event so that the navigation doesn't get converted |
| // into a replace navigation. |
| await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0)); |
| |
| location.href = "#1"; |
| |
| assert_equals(appHistory.entries().length, 2); |
| const [entry0, entry1] = appHistory.entries(); |
| assert_equals((new URL(entry0.url)).hash, ""); |
| assert_equals((new URL(entry1.url)).hash, "#1"); |
| |
| const err = new Error("boo!"); |
| const promise = Promise.reject(err); |
| promise.catch(() => {}); // prevent unhandled rejection testharness.js errors |
| appHistory.onnavigate = e => e.transitionWhile(promise); |
| |
| const result = appHistory.back(); |
| await assertCommittedFulfillsFinishedRejectsExactly(t, result, entry0, err); |
| assert_equals(appHistory.current, entry0); |
| }, "back() promise rejection with rejected transitionWhile()"); |
| </script> |
