gecko/addon-sdk/source/test/test-keyboard-observer.js

38 lines
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 { keyPress } = require("sdk/dom/events/keys");
const { Loader } = require("sdk/test/loader");
const timer = require("sdk/timers");
exports["test unload keyboard observer"] = function(assert, done) {
let loader = Loader(module);
let element = loader.require("sdk/deprecated/window-utils").
activeBrowserWindow.document.documentElement;
let observer = loader.require("sdk/keyboard/observer").
observer;
let called = 0;
observer.on("keypress", function () { called++; });
// dispatching "keypress" event to trigger observer listeners.
keyPress(element, "accel-%");
// Unload the module.
loader.unload();
// dispatching "keypress" even once again.
keyPress(element, "accel-%");
// Enqueuing asserts to make sure that assertion is not performed early.
timer.setTimeout(function () {
assert.equal(called, 1, "observer was called before unload only.");
done();
}, 0);
};
require("test").run(exports);