browser_visibleTabs_tabPreview.js

Enable keyboard shortcuts

/* 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/. */

add_task(async function test() {

  await SpecialPowers.pushPrefEnv({

    set: [["browser.ctrlTab.sortByRecentlyUsed", true]],

});

  let [origTab] = gBrowser.visibleTabs;

  let tabOne = BrowserTestUtils.addTab(gBrowser);

  let tabTwo = BrowserTestUtils.addTab(gBrowser);

  // test the ctrlTab.tabList

  pressCtrlTab();

  ok(ctrlTab.isOpen, "With 3 tab open, Ctrl+Tab opens the preview panel");

  is(ctrlTab.tabList.length, 3, "Ctrl+Tab panel displays all visible tabs");

  releaseCtrl();

  gBrowser.showOnlyTheseTabs([origTab]);

  pressCtrlTab();

ok(

    !ctrlTab.isOpen,

    "With 1 tab open, Ctrl+Tab doesn't open the preview panel"

);

  releaseCtrl();

  gBrowser.showOnlyTheseTabs([origTab, tabOne, tabTwo]);

  pressCtrlTab();

ok(

    ctrlTab.isOpen,

    "Ctrl+Tab opens the preview panel after re-showing hidden tabs"

);

is(

    ctrlTab.tabList.length,

3,

    "Ctrl+Tab panel displays all visible tabs after re-showing hidden ones"

);

  releaseCtrl();

  // cleanup

  gBrowser.removeTab(tabOne);

  gBrowser.removeTab(tabTwo);

});

function pressCtrlTab(aShiftKey) {

  EventUtils.synthesizeKey("VK_TAB", { ctrlKey: true, shiftKey: !!aShiftKey });

function releaseCtrl() {

  EventUtils.synthesizeKey("VK_CONTROL", { type: "keyup" });