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// 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_ORIGIN', '', '');
const iframe_2 = await createNestedIframe(
iframe_1, 'HTTP_ORIGIN', '', 'allow-top-navigation');
await attemptTopNavigation(iframe_2, false);
}, 'A sandboxed same-origin grandchild without allow-same-origin can\'t \
escalate its own top-nav privileges');
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