| <!doctype html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <body> |
| <iframe id="i1" src="/common/blank.html"></iframe> |
| <iframe id="i2" src="resources/slow-no-store.py"></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)); |
| |
| i1.src = "/common/blank.html?navigated"; |
| await new Promise(resolve => i1.onload = resolve); |
| i2.src = "/common/blank.html?navigated"; |
| await new Promise(resolve => i2.onload = resolve); |
| assert_equals(navigation.entries().length, 1); |
| assert_equals(i1.contentWindow.navigation.entries().length, 2); |
| assert_equals(i2.contentWindow.navigation.entries().length, 2); |
| assert_equals(i1.contentWindow.navigation.currentEntry.index, 1); |
| assert_equals(i2.contentWindow.navigation.currentEntry.index, 1); |
| |
| function collectKeysAndIds(win) { |
| return win.navigation.entries().map(e => [e.key, e.id]).flat(); |
| } |
| let i1_keys_and_ids_before_back = collectKeysAndIds(i1.contentWindow); |
| let i2_keys_and_ids_before_back = collectKeysAndIds(i2.contentWindow); |
| |
| // Go back to a point that requires both frames to navigate. Because i2 is |
| // going back to a slow, un-cached document, i1 will likely complete before |
| // the server sends the response for i2. This combination of a slow and fast |
| // traversal is less common than the case where multiple iframes navigate at |
| // similar speeds, and caused a bug in chromium. |
| i1.contentWindow.navigation.traverseTo(i1.contentWindow.navigation.entries()[0].key); |
| await Promise.all( |
| [ new Promise(resolve => i1.onload = resolve), |
| new Promise(resolve => i2.onload = resolve) ]); |
| assert_equals(i1.contentWindow.navigation.currentEntry.index, 0); |
| assert_equals(i2.contentWindow.navigation.currentEntry.index, 0); |
| |
| assert_array_equals(i1_keys_and_ids_before_back, collectKeysAndIds(i1.contentWindow)); |
| assert_array_equals(i2_keys_and_ids_before_back, collectKeysAndIds(i2.contentWindow)); |
| }, "entries() should be correct after a traversal that navigates multiple browsing contexts"); |
| </script> |
| </body> |
