зеркало из https://github.com/mozilla/gecko-dev.git
43 строки
1.2 KiB
JavaScript
43 строки
1.2 KiB
JavaScript
/* 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/. */
|
|
'use strict';
|
|
|
|
const { PrefsTarget } = require('sdk/preferences/event-target');
|
|
const { get, set, reset } = require('sdk/preferences/service');
|
|
const { Loader } = require('sdk/test/loader');
|
|
const { setTimeout } = require('sdk/timers');
|
|
|
|
const root = PrefsTarget();
|
|
|
|
exports.testPrefsTarget = function(assert, done) {
|
|
let loader = Loader(module);
|
|
let pt = loader.require('sdk/preferences/event-target').PrefsTarget({});
|
|
let name = 'test';
|
|
|
|
assert.equal(get(name, ''), '', 'test pref is blank');
|
|
|
|
pt.once(name, function() {
|
|
assert.equal(pt.prefs[name], 2, 'test pref is 2');
|
|
|
|
pt.once(name, function() {
|
|
assert.fail('should not have heard a pref change');
|
|
});
|
|
loader.unload();
|
|
root.once(name, function() {
|
|
assert.pass('test pref was changed');
|
|
reset(name);
|
|
|
|
// NOTE: using setTimeout to make sure that the other listener had
|
|
// a chance to fail
|
|
// end test
|
|
setTimeout(done);
|
|
});
|
|
set(name, 3);
|
|
});
|
|
|
|
pt.prefs[name] = 2;
|
|
};
|
|
|
|
require('sdk/test').run(exports);
|