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/* 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');
const app = require("sdk/system/xul-app");
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", onOpen);
observer.on("close", onClose);
// On Fennec, only test that the module does not throw an error
if (app.is("Fennec")) {
assert.pass("Windows observer did not throw on Fennec");
return cleanUp();
}
// 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(cleanUp, assert.fail);
function cleanUp () {
observer.removeListener("open", onOpen);
observer.removeListener("close", onClose);
done();
}
function onOpen(window) {
// Ignoring non-browser windows
if (isBrowser(window))
opened++;
}
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++;
}
};
require("sdk/test").run(exports);
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