Bug 1790592 - Add test for hidden tabs' context menu. r=Gijs

[browser_file_to_http_script_closable.js]

support-files = tab_that_closes.html

[browser_file_to_http_named_popup.js]

[browser_hiddentab_contextmenu.js]

[browser_lazy_tab_browser_events.js]

[browser_multiselect_tabs_active_tab_selected_by_default.js]

[browser_multiselect_tabs_bookmark.js]

/* 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/. */

// Tests the context menu of hidden tabs which users can open via the All Tabs

// menu's Hidden Tabs view.

add_task(async function test() {

  is(gBrowser.visibleTabs.length, 1, "there is initially one visible tab");

  let tab = BrowserTestUtils.addTab(gBrowser);

  gBrowser.hideTab(tab);

  ok(tab.hidden, "new tab is hidden");

  is(gBrowser.visibleTabs.length, 1, "there is still only one visible tabs");

  updateTabContextMenu(tab);

  ok(

    document.getElementById("context_moveTabOptions").disabled,

    "Move Tab menu is disabled"

  );

  ok(

    document.getElementById("context_closeTabsToTheStart").disabled,

    "Close Tabs to Left is disabled"

  );

  ok(

    document.getElementById("context_closeTabsToTheEnd").disabled,

    "Close Tabs to Right is disabled"

  );

  ok(

    document.getElementById("context_reopenInContainer").disabled,

    "Open in New Container Tab menu is disabled"

  );

  gBrowser.removeTab(tab);

});