michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: "use strict";
michael@0: 
michael@0: const { keyPress } = require("sdk/dom/events/keys");
michael@0: const { Loader } = require("sdk/test/loader");
michael@0: const timer = require("sdk/timers");
michael@0: 
michael@0: exports["test unload keyboard observer"] = function(assert, done) {
michael@0:   let loader = Loader(module);
michael@0:   let element = loader.require("sdk/deprecated/window-utils").
michael@0:                        activeBrowserWindow.document.documentElement;
michael@0:   let observer = loader.require("sdk/keyboard/observer").
michael@0:                         observer;
michael@0:   let called = 0;
michael@0: 
michael@0:   observer.on("keypress", function () { called++; });
michael@0: 
michael@0:   // dispatching "keypress" event to trigger observer listeners.
michael@0:   keyPress(element, "accel-%");
michael@0: 
michael@0:   // Unload the module.
michael@0:   loader.unload();
michael@0: 
michael@0:   // dispatching "keypress" even once again.
michael@0:   keyPress(element, "accel-%");
michael@0: 
michael@0:   // Enqueuing asserts to make sure that assertion is not performed early.
michael@0:   timer.setTimeout(function () {
michael@0:     assert.equal(called, 1, "observer was called before unload only.");
michael@0:     done();
michael@0:   }, 0);
michael@0: };
michael@0: 
michael@0: require("test").run(exports);