browser_undo_history.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

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

"use strict";

// Gecko drops an editor's undo history when its frame is reconstructed

// (bug 2017065), so opening and closing the view must not reconstruct the

// input's frame (bug 2061633).

add_task(async function undoAfterViewClose() {

  await UrlbarTestUtils.promisePopupOpen(window, () => {

    gURLBar.focus();

    EventUtils.sendString("example");

});

  await UrlbarTestUtils.promiseSearchComplete(window);

  Assert.equal(gURLBar.value, "example", "The string was typed.");

  await UrlbarTestUtils.promisePopupClose(window);

  let controller =

    document.commandDispatcher.getControllerForCommand("cmd_undo");

  Assert.ok(

    controller.isCommandEnabled("cmd_undo"),

    "Undo is available after the view closed."

);

  goDoCommand("cmd_undo");

  Assert.equal(gURLBar.value, "", "Undo removed the typed string.");

  gURLBar.blur();

});