browser_privatebrowsing_beacon.js

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this file,

 * You can obtain one at http://mozilla.org/MPL/2.0/. */

const TEST_DOMAIN = "example.com";

const TEST_TOP = `https://${TEST_DOMAIN}`;

const TEST_URL = `${TEST_TOP}/browser/browser/components/privatebrowsing/test/browser/title.sjs`;

add_task(async function () {

  let privateWin = await BrowserTestUtils.openNewBrowserWindow({

    private: true,

});

  let tab = await BrowserTestUtils.openNewForegroundTab(

    privateWin.gBrowser,

    TEST_TOP

);

  // Create a promise to wait the http response of the beacon request.

  let promise = BrowserUtils.promiseObserved(

    "http-on-examine-response",

    subject => {

      let channel = subject.QueryInterface(Ci.nsIHttpChannel);

      let url = channel.URI.spec;

      return url == TEST_URL;

);

  // Open a tab and send a beacon.

  await SpecialPowers.spawn(tab.linkedBrowser, [TEST_URL], async url => {

    content.navigator.sendBeacon(url);

});

  // Close the entire private window directly.

  await BrowserTestUtils.closeWindow(privateWin);

  // Wait the response.

  await promise;

  const cookies = Services.cookies.getCookiesFromHost(TEST_DOMAIN, {

    privateBrowsingId: 1,

});

  is(cookies.length, 0, "No cookies after close the private window.");

});