| |
| <!doctype html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="../navigation-methods/return-value/resources/helpers.js"></script> |
| <script src="/common/get-host-info.sub.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. |
| let w = window.open("resources/opener-postMessage-onload.html"); |
| await new Promise(resolve => window.onmessage = resolve); |
| // Navigate to a url that will notify us when the navigation is complete. |
| w.navigation.navigate("opener-postMessage-onload.html?1"); |
| |
| await new Promise(resolve => window.onmessage = resolve); |
| assert_equals(w.navigation.entries().length, 2); |
| assert_equals(w.navigation.currentEntry.index, 1); |
| let navigate_called = false; |
| w.navigation.onnavigate = t.step_func(e => { |
| navigate_called = true; |
| assert_false(e.destination.sameDocument); |
| assert_false(e.cancelable); |
| // Should do nothing. |
| e.preventDefault(); |
| }); |
| w.navigation.back(); |
| await new Promise(resolve => window.onmessage = resolve); |
| assert_equals(w.navigation.currentEntry.index, 0); |
| assert_true(navigate_called); |
| }, "navigation.back() cross-document cannot be cancelled with the navigate event"); |
| </script> |
| |