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

56 lines
1.8 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 { Loader } = require("sdk/test/loader");
const { open, close } = require("sdk/window/helpers");
const { browserWindows: windows } = require("sdk/windows");
const { isBrowser } = require('sdk/window/utils');
exports["test unload window observer"] = function(assert, done) {
// Hacky way to be able to create unloadable modules via makeSandboxedLoader.
let loader = Loader(module);
let observer = loader.require("sdk/windows/observer").observer;
let opened = 0;
let closed = 0;
let windowsOpen = windows.length;
observer.on("open", function onOpen(window) {
// Ignoring non-browser windows
if (isBrowser(window))
opened++;
});
observer.on("close", function onClose(window) {
// Ignore non-browser windows & already opened `activeWindow` (unload will
// emit close on it even though it is not actually closed).
if (isBrowser(window))
closed++;
});
// Open window and close it to trigger observers.
open().
then(close).
then(loader.unload).
then(open).
then(close).
then(function() {
// Enqueuing asserts to make sure that assertion is not performed early.
assert.equal(1, opened, "observer open was called before unload only");
assert.equal(windowsOpen + 1, closed, "observer close was called before unload only");
}).
then(done, assert.fail);
};
if (require("sdk/system/xul-app").is("Fennec")) {
module.exports = {
"test Unsupported Test": function UnsupportedTest (assert) {
assert.pass(
"Skipping this test until Fennec support is implemented." +
"See bug 793071");
}
}
}
require("test").run(exports);