browser/components/firefoxview/tests/browser/browser_firefoxview.js

   1 /* Any copyright is dedicated to the Public Domain.
   2  * http://creativecommons.org/publicdomain/zero/1.0/ */
   3
   4 add_task(async function about_firefoxview_smoke_test() {
   5   await SpecialPowers.pushPrefEnv({
   6     set: [["browser.tabs.firefox-view-next", false]],
   7   });
   8
   9   await withFirefoxView({}, async browser => {
  10     const { document } = browser.contentWindow;
  11
  12     // sanity check the important regions exist on this page
  13     ok(
  14       document.getElementById("tab-pickup-container"),
  15       "tab-pickup-container element exists"
  16     );
  17     ok(
  18       document.getElementById("recently-closed-tabs-container"),
  19       "recently-closed-tabs-container element exists"
  20     );
  21   });
  22   await SpecialPowers.popPrefEnv();
  23 });