browser_settings_rulers.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

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

"use strict";

const SETTING_PREF = "devtools.command-button-rulers.enabled";

add_task(async function () {

  await pushPref("devtools.settings.redesign-enabled", true);

  await pushPref(SETTING_PREF, true);

  const tab = await addTab("about:blank");

  const toolbox = await openToolboxForTab(tab, "options");

  const panel = toolbox.getCurrentPanel();

  await panel.element.updateComplete;

  const checkbox = panel.element.shadowRoot.querySelector(

    "#settings-toolbox-rulers"

);

  ok(checkbox, "The checkbox exists");

  await checkbox.updateComplete;

  is(checkbox.checked, true, "The checkbox reads the existing preference");

ok(

    toolbox.doc.querySelector("#command-button-rulers"),

    "The rulers button starts visible"

);

  checkbox.click();

is(

    Services.prefs.getBoolPref(SETTING_PREF),

    false,

    "Clicking updates the preference"

);

  await waitFor(

    () => !toolbox.doc.querySelector("#command-button-rulers"),

    "Clicking hides the rulers button"

);

  checkbox.click();

is(

    Services.prefs.getBoolPref(SETTING_PREF),

    true,

    "Clicking again updates the preference"

);

  await waitFor(

    () => toolbox.doc.querySelector("#command-button-rulers"),

    "Clicking again shows the rulers button"

);

  await toolbox.destroy();

});