| <!DOCTYPE HTML> |
| <meta name="timeout" content="long"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/common/utils.js"></script> |
| <script src="/common/dispatcher/dispatcher.js"></script> |
| <script src="/html/browsers/browsing-the-web/back-forward-cache/resources/helper.sub.js"></script> |
| <script> |
| const reload = () => { |
| window.location.reload(); |
| }; |
| |
| const getNavigationId = () => { |
| window.performance.mark('initial_load'); |
| let entries = window.performance.getEntriesByType('mark'); |
| return entries[entries.length - 1].navigationId; |
| } |
| |
| promise_test(async t => { |
| const pageA = new RemoteContext(token()); |
| const pageB = new RemoteContext(token()); |
| |
| const urlA = executorPath + pageA.context_id; |
| const urlB = originCrossSite + executorPath + pageB.context_id; |
| // Open url A. |
| window.open(urlA, '_blank', 'noopener') |
| await pageA.execute_script(waitForPageShow); |
| |
| // Assert navigation id is 1 when the document is loaded first time. |
| |
| let navigationId = await pageA.execute_script(getNavigationId); |
| assert_equals(navigationId, 1, 'Navigation Id should be 1 initially.'); |
| |
| // Navigate away to url B and back. |
| await navigateAndThenBack(pageA, pageB, urlB); |
| |
| // Assert navigation id increments to 2 when the document is load from bfcache. |
| navigationId = await pageA.execute_script(getNavigationId); |
| assert_equals(navigationId, 2, 'Navigation Id should be 2 after increment.'); |
| |
| // Reload page. |
| await pageA.execute_script(reload); |
| await pageA.execute_script(waitForPageShow); |
| |
| // Assert navigation id is reset to 1 after reload. |
| navigationId = await pageA.execute_script(getNavigationId); |
| assert_equals(navigationId, 1, 'Navigation Id should be 1 after reload.'); |
| }, 'Navigation Id should be reset to 1 after reload.'); |
| </script> |
