| <!DOCTYPE html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <script> |
| async_test(t => { |
| // Wait for after the load event so that the navigation doesn't get converted |
| // into a replace navigation. |
| window.onload = () => t.step_timeout(() => { |
| assert_equals(appHistory.transition, null); |
| const from = appHistory.current; |
| let from2; |
| |
| appHistory.addEventListener("navigate", t.step_func(e => { |
| e.transitionWhile(new Promise(r => t.step_timeout(r, 1))); |
| assert_equals(appHistory.transition, null); |
| })); |
| |
| let navigateerrorFired = false; |
| appHistory.addEventListener("navigateerror", t.step_func(() => { |
| // (3) handle the interruption of the navigation to ?1. |
| navigateerrorFired = true; |
| |
| assert_equals(appHistory.transition.navigationType, "push"); |
| assert_equals(appHistory.transition.from, from); |
| })); |
| |
| let navigatesuccessFired = false; |
| appHistory.addEventListener("navigatesuccess", t.step_func(() => { |
| // (5) The navigation to ?2 succeeds. |
| navigatesuccessFired = true; |
| assert_true(navigateerrorFired, "navigateerror must fire before navigatesuccess"); |
| |
| assert_equals(appHistory.transition.navigationType, "replace"); |
| assert_equals(appHistory.transition.from, from2); |
| })); |
| |
| // (1) Navigate to ?1. This will take 1 ms to settle. |
| let secondNavigateFulfilled = false; |
| promise_rejects_dom(t, "AbortError", appHistory.navigate("?1").finished).then(t.step_func(() => { |
| // (4) After navigateerror for the navigation to ?1 comes the promise rejection. |
| firstNavigateRejected = true; |
| |
| assert_equals(appHistory.transition.navigationType, "replace"); |
| assert_equals(appHistory.transition.from, from2); |
| assert_true(navigateerrorFired, "navigateerror must fire before the first navigate() rejects"); |
| })); |
| |
| assert_equals(appHistory.transition.navigationType, "push"); |
| assert_equals(appHistory.transition.from, from); |
| |
| from2 = appHistory.current; |
| assert_not_equals(from, from2); |
| |
| // (2) Navigate to ?2. This will interrupt the navigation to ?1 and take us to (3). |
| appHistory.navigate("?2", { replace: true }).finished.then(t.step_func_done(() => { |
| // (6) After navigatesuccess for the navigation to ?2 comes the promise fulfillment. |
| assert_true(navigatesuccessFired, "navigatesuccess must be fired"); |
| |
| assert_equals(appHistory.transition, null); |
| })); |
| |
| assert_equals(appHistory.transition.navigationType, "replace"); |
| assert_equals(appHistory.transition.from, from2); |
| }, 0); |
| }, "transitionWhile()ed one navigate() interrupting the other"); |
| </script> |
