| <!DOCTYPE html> |
| <script src="/resources/testharness.js"></script> |
| <!-- Put this page in a sandbox to give it an opaque origin --> |
| |
| <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.hash = "#1"; |
| await new Promise(resolve => window.onhashchange = resolve); |
| location.hash = "#2"; |
| await new Promise(resolve => window.onhashchange = resolve); |
| history.back(); |
| await new Promise(resolve => window.onhashchange = resolve); |
| |
| assert_equals(location.hash, "#1"); |
| |
| assert_equals(navigation.currentEntry, null); |
| assert_equals(navigation.entries().length, 0); |
| assert_false(navigation.canGoBack); |
| assert_false(navigation.canGoForward); |
| }, "navigation.currentEntry/entries()/canGoBack/canGoForward in an opaque origin iframe"); |
| </script> |