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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 { openWindow, closeWindow } = require('./util');
const { Loader } = require('sdk/test/loader');
const { getMostRecentBrowserWindow } = require('sdk/window/utils');
const { Cc, Ci } = require('chrome');
const els = Cc["@mozilla.org/eventlistenerservice;1"].
getService(Ci.nsIEventListenerService);
function countListeners(target, type) {
let listeners = els.getListenerInfoFor(target, {});
return listeners.filter(listener => listener.type == type).length;
}
exports['test window close clears listeners'] = function(assert) {
let window = yield openWindow();
let loader = Loader(module);
// Any element will do here
let gBrowser = window.gBrowser;
// Other parts of the app may be listening for this
let windowListeners = countListeners(window, "DOMWindowClose");
// We can assume we're the only ones using the test events
assert.equal(countListeners(gBrowser, "TestEvent1"), 0, "Should be no listener for test event 1");
assert.equal(countListeners(gBrowser, "TestEvent2"), 0, "Should be no listener for test event 2");
let { open } = loader.require('sdk/event/dom');
open(gBrowser, "TestEvent1");
assert.equal(countListeners(window, "DOMWindowClose"), windowListeners + 1,
"Should have added a DOMWindowClose listener");
assert.equal(countListeners(gBrowser, "TestEvent1"), 1, "Should be a listener for test event 1");
assert.equal(countListeners(gBrowser, "TestEvent2"), 0, "Should be no listener for test event 2");
open(gBrowser, "TestEvent2");
assert.equal(countListeners(window, "DOMWindowClose"), windowListeners + 1,
"Should not have added another DOMWindowClose listener");
assert.equal(countListeners(gBrowser, "TestEvent1"), 1, "Should be a listener for test event 1");
assert.equal(countListeners(gBrowser, "TestEvent2"), 1, "Should be a listener for test event 2");
window = yield closeWindow(window);
assert.equal(countListeners(window, "DOMWindowClose"), windowListeners,
"Should have removed a DOMWindowClose listener");
assert.equal(countListeners(gBrowser, "TestEvent1"), 0, "Should be no listener for test event 1");
assert.equal(countListeners(gBrowser, "TestEvent2"), 0, "Should be no listener for test event 2");
loader.unload();
};
exports['test unload clears listeners'] = function(assert) {
let window = getMostRecentBrowserWindow();
let loader = Loader(module);
// Any element will do here
let gBrowser = window.gBrowser;
// Other parts of the app may be listening for this
let windowListeners = countListeners(window, "DOMWindowClose");
// We can assume we're the only ones using the test events
assert.equal(countListeners(gBrowser, "TestEvent1"), 0, "Should be no listener for test event 1");
assert.equal(countListeners(gBrowser, "TestEvent2"), 0, "Should be no listener for test event 2");
let { open } = loader.require('sdk/event/dom');
open(gBrowser, "TestEvent1");
assert.equal(countListeners(window, "DOMWindowClose"), windowListeners + 1,
"Should have added a DOMWindowClose listener");
assert.equal(countListeners(gBrowser, "TestEvent1"), 1, "Should be a listener for test event 1");
assert.equal(countListeners(gBrowser, "TestEvent2"), 0, "Should be no listener for test event 2");
open(gBrowser, "TestEvent2");
assert.equal(countListeners(window, "DOMWindowClose"), windowListeners + 1,
"Should not have added another DOMWindowClose listener");
assert.equal(countListeners(gBrowser, "TestEvent1"), 1, "Should be a listener for test event 1");
assert.equal(countListeners(gBrowser, "TestEvent2"), 1, "Should be a listener for test event 2");
loader.unload();
assert.equal(countListeners(window, "DOMWindowClose"), windowListeners,
"Should have removed a DOMWindowClose listener");
assert.equal(countListeners(gBrowser, "TestEvent1"), 0, "Should be no listener for test event 1");
assert.equal(countListeners(gBrowser, "TestEvent2"), 0, "Should be no listener for test event 2");
};
require('sdk/test').run(exports);
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