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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/. */
"use strict";
var newTab = null;
add_task(function*() {
info("Check preferences button existence and functionality");
yield PanelUI.show();
info("Menu panel was opened");
let preferencesButton = document.getElementById("preferences-button");
ok(preferencesButton, "Preferences button exists in Panel Menu");
preferencesButton.click();
newTab = gBrowser.selectedTab;
yield waitForPageLoad(newTab);
let openedPage = gBrowser.currentURI.spec;
is(openedPage, "about:preferences", "Preferences page was opened");
});
add_task(function asyncCleanup() {
if (gBrowser.tabs.length == 1)
gBrowser.addTab("about:blank");
gBrowser.removeTab(gBrowser.selectedTab);
info("Tabs were restored");
});
function waitForPageLoad(aTab) {
let deferred = Promise.defer();
let timeoutId = setTimeout(() => {
aTab.linkedBrowser.removeEventListener("load", onTabLoad, true);
deferred.reject("Page didn't load within " + 20000 + "ms");
}, 20000);
function onTabLoad(event) {
clearTimeout(timeoutId);
aTab.linkedBrowser.removeEventListener("load", onTabLoad, true);
info("Tab event received: " + "load");
deferred.resolve();
}
aTab.linkedBrowser.addEventListener("load", onTabLoad, true, true);
return deferred.promise;
}
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