gecko-dev/dom/tests/browser/browser_wakelock.js

28 строки
833 B
JavaScript

/**
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
"use strict";
add_task(async () => {
info("creating test window");
let win = await BrowserTestUtils.openNewBrowserWindow();
const pm = Cc["@mozilla.org/power/powermanagerservice;1"]
.getService(Ci.nsIPowerManagerService);
is(pm.getWakeLockState("screen"), "unlocked", "Wakelock should be unlocked state");
info("aquiring wakelock");
const wakelock = pm.newWakeLock("screen", win);
isnot(pm.getWakeLockState("screen"), "unlocked", "Wakelock shouldn't be unlocked state");
info("releasing wakelock");
wakelock.unlock();
is(pm.getWakeLockState("screen"), "unlocked", "Wakelock should be unlocked state");
info("closing test window");
await BrowserTestUtils.closeWindow(win);
});