The Tor Browser: browser/components/sessionstore/test/browser_label_and

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* Any copyright is dedicated to the Public Domain.

     2  * http://creativecommons.org/publicdomain/zero/1.0/ */

     4 "use strict";

     6 /**

     7  * Make sure that tabs are restored on demand as otherwise the tab will start

     8  * loading immediately and we can't check its icon and label.

     9  */

    10 add_task(function setup() {

    11   Services.prefs.setBoolPref("browser.sessionstore.restore_on_demand", true);

    13   registerCleanupFunction(() => {

    14     Services.prefs.clearUserPref("browser.sessionstore.restore_on_demand");

    15   });

    16 });

    18 /**

    19  * Ensure that a pending tab has label and icon correctly set.

    20  */

    21 add_task(function test_label_and_icon() {

    22   // Create a new tab.

    23   let tab = gBrowser.addTab("about:robots");

    24   let browser = tab.linkedBrowser;

    25   yield promiseBrowserLoaded(browser);

    27   // Retrieve the tab state.

    28   SyncHandlers.get(browser).flush();

    29   let state = ss.getTabState(tab);

    30   gBrowser.removeTab(tab);

    31   browser = null;

    33   // Open a new tab to restore into.

    34   let tab = gBrowser.addTab("about:blank");

    35   ss.setTabState(tab, state);

    36   yield promiseTabRestoring(tab);

    38   // Check that label and icon are set for the restoring tab.

    39   ok(gBrowser.getIcon(tab).startsWith("data:image/png;"), "icon is set");

    40   is(tab.label, "Gort! Klaatu barada nikto!", "label is set");

    42   // Cleanup.

    43   gBrowser.removeTab(tab);

    44 });

    46 function promiseTabRestoring(tab) {

    47   let deferred = Promise.defer();

    49   tab.addEventListener("SSTabRestoring", function onRestoring() {

    50     tab.removeEventListener("SSTabRestoring", onRestoring);

    51     deferred.resolve();

    52   });

    54   return deferred.promise;

    55 }

The Tor Browser / file revision