| <!doctype html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/helpers.js"></script> |
| |
| <iframe id="i" src="/common/blank.html"></iframe> |
| |
| <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)); |
| |
| assert_equals(i.contentWindow.appHistory.entries().length, 1); |
| let key = i.contentWindow.appHistory.current.key; |
| |
| i.contentWindow.appHistory.navigate("?1"); |
| await new Promise(resolve => i.onload = resolve); |
| |
| assert_equals(i.contentWindow.appHistory.entries().length, 2); |
| assert_equals(i.contentWindow.appHistory.current, i.contentWindow.appHistory.entries()[1]); |
| |
| const iWindow = i.contentWindow; |
| const iDOMException = iWindow.DOMException; |
| |
| i.remove(); |
| |
| await assertBothRejectDOM(t, iWindow.appHistory.back(), "InvalidStateError", iWindow, iDOMException); |
| }, "back() in a detached window"); |
| </script> |
