tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_367052.js (1611B)

      1 /* This Source Code Form is subject to the terms of the Mozilla Public
      2 * License, v. 2.0. If a copy of the MPL was not distributed with this
      3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      4 
      5 "use strict";
      6 
      7 add_task(async function () {
      8  // make sure that the next closed tab will increase getClosedTabCountForWindow
      9  let max_tabs_undo = Services.prefs.getIntPref(
     10    "browser.sessionstore.max_tabs_undo"
     11  );
     12  Services.prefs.setIntPref(
     13    "browser.sessionstore.max_tabs_undo",
     14    max_tabs_undo + 1
     15  );
     16  registerCleanupFunction(() =>
     17    Services.prefs.clearUserPref("browser.sessionstore.max_tabs_undo")
     18  );
     19 
     20  forgetClosedTabs(window);
     21 
     22  // restore a blank tab
     23  let tab = BrowserTestUtils.addTab(gBrowser, "about:mozilla");
     24  await promiseBrowserLoaded(tab.linkedBrowser);
     25 
     26  let count = await promiseSHistoryCount(tab.linkedBrowser);
     27  Assert.greaterOrEqual(
     28    count,
     29    1,
     30    "the new tab does have at least one history entry"
     31  );
     32 
     33  await promiseTabState(tab, { entries: [] });
     34 
     35  // We may have a different sessionHistory object if the tab
     36  // switched from non-remote to remote.
     37  count = await promiseSHistoryCount(tab.linkedBrowser);
     38  is(count, 0, "the tab was restored without any history whatsoever");
     39 
     40  await promiseRemoveTabAndSessionState(tab);
     41  is(
     42    ss.getClosedTabCountForWindow(window),
     43    0,
     44    "The closed blank tab wasn't added to Recently Closed Tabs"
     45  );
     46 });
     47 
     48 function promiseSHistoryCount(browser) {
     49  return SpecialPowers.spawn(browser, [], async function () {
     50    return docShell.QueryInterface(Ci.nsIWebNavigation).sessionHistory.count;
     51  });
     52 }