| <!DOCTYPE html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/utils.js"></script> |
| <script src="resources/history-length-test-helper.js"></script> |
| <script src="/common/utils.js"></script> |
| <title>Test fenced frames can't see outer page history length</title> |
| |
| <body> |
| <script> |
| promise_test(async () => { |
| const kAssertionDesc = "history.length Should never reflect the length " + |
| "of joint session history that occured outside " + |
| "of the fenced frame tree. history.length will " + |
| "always return 1." |
| |
| maybeNavigateForHistory(); |
| |
| const fenced_history_length_key = token(); |
| const outer_page_ready_for_next_navigation_key = token(); |
| |
| // Append an iframe to the outer page for subsequent navigations within |
| // the iframe |
| const iframe = document.createElement('iframe'); |
| const embed_scope_iframe = "outer_page::iframe"; |
| iframe.src = generateURL("resources/history-length-outer-page-navigation-" + |
| "not-reflected-in-fenced-inner.html", |
| [fenced_history_length_key, outer_page_ready_for_next_navigation_key, |
| embed_scope_iframe, null]); |
| document.body.append(iframe); |
| |
| await nextValueFromServer(outer_page_ready_for_next_navigation_key); |
| |
| // Append a fenced frame to observe 'history.length' and report it back |
| // to the outer page |
| const embed_scope_fenced_frame = "outer_page::fenced_frame"; |
| attachFencedFrame(generateURL( |
| "resources/history-length-outer-page-navigation-" + |
| "not-reflected-in-fenced-inner.html", |
| [fenced_history_length_key, outer_page_ready_for_next_navigation_key, |
| embed_scope_fenced_frame, "outer_page::fenced_frame"]) |
| ); |
| |
| // Wait for the fenced frame to report 'history.length' |
| let result = await nextValueFromServer(fenced_history_length_key); |
| assert_equals(result, "PASS > " + " history.length: 1", kAssertionDesc); |
| }, "history.length should not reflect navigations within outer page in " + |
| "fenced frame"); |
| </script> |
| </body> |
