| // META: title=Top-level navigation tests with frames that try to give themselves top-nav permission |
| // META: script=/common/dispatcher/dispatcher.js |
| // META: script=/common/get-host-info.sub.js |
| // META: script=/common/utils.js |
| // META: script=/resources/testdriver.js |
| // META: script=/resources/testdriver-vendor.js |
| // META: script=/html/browsers/browsing-the-web/remote-context-helper/resources/remote-context-helper.js |
| // META: script=./resources/sandbox-top-navigation-helper.sub.js |
| |
| 'use strict'; |
| |
| promise_test(async t => { |
| const main = await setupTest(); |
| const iframe_1 = await createNestedIframe( |
| main, 'HTTP_REMOTE_ORIGIN', 'allow-top-navigation', ''); |
| const iframe_2 = await createNestedIframe(iframe_1, 'OTHER_ORIGIN', '', ''); |
| |
| await attemptTopNavigation(iframe_2, true); |
| }, 'An unsandboxed grandchild inherits its parents ability to navigate top.'); |
