| <!doctype html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="../navigation-methods/return-value/resources/helpers.js"></script> |
| <iframe id="i" src="/common/blank.html"></iframe> |
| <script> |
| promise_test(async t => { |
| let start_length = navigation.entries().length; |
| let start_index = navigation.currentEntry.index; |
| |
| // 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)); |
| |
| // Navigate the iframe, then the top window, so that when the iframe goes back |
| // to its initial entry, the top window navigates as well. |
| await i.contentWindow.navigation.navigate("#").finished; |
| await navigation.navigate("#").finished; |
| assert_equals(navigation.entries().length, start_length + 1); |
| assert_equals(i.contentWindow.navigation.entries().length, 2); |
| assert_equals(navigation.currentEntry.index, start_index + 1); |
| assert_equals(i.contentWindow.navigation.currentEntry.index, 1); |
| |
| // Ensure the top window, which is allowed to cancel the traversal, does so. |
| navigation.onnavigate = e => e.preventDefault(); |
| |
| let top_navigateerror_fired = false; |
| navigation.onnavigateerror = t.step_func(e => { |
| assert_equals(e.constructor, ErrorEvent); |
| assert_equals(e.filename, location.href); |
| top_navigateerror_fired = true; |
| }); |
| |
| i.contentWindow.navigation.onnavigate = t.unreached_func("navigate event should not fire in the iframe, because the traversal was cancelled in the top window"); |
| i.contentWindow.navigation.onnavigateerror = t.unreached_func("navigateerror event should not fire in the iframe, because the navigate event was not fired"); |
| |
| // When the top window blocks the traversal, it should be blocked in the |
| // iframe as well, and the traversal promises in the iframe should be rejected. |
| const iWindow = i.contentWindow; |
| const iDOMException = iWindow.DOMException; |
| await assertBothRejectDOM(t, i.contentWindow.navigation.traverseTo(i.contentWindow.navigation.entries()[0].key), "AbortError", iWindow, iDOMException); |
| assert_true(top_navigateerror_fired); |
| assert_equals(navigation.currentEntry.index, start_index + 1); |
| assert_equals(i.contentWindow.navigation.currentEntry.index, 1); |
| }, "navigation.traverseTo() in an iframe with same-document preventDefault in its parent"); |
| </script> |
