mirror of
https://github.com/classilla/tenfourfox.git
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93 lines
4.2 KiB
JavaScript
93 lines
4.2 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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'use strict';
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const { openWindow, closeWindow } = require('./util');
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const { Loader } = require('sdk/test/loader');
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const { getMostRecentBrowserWindow } = require('sdk/window/utils');
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const { Cc, Ci } = require('chrome');
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const els = Cc["@mozilla.org/eventlistenerservice;1"].
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getService(Ci.nsIEventListenerService);
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function countListeners(target, type) {
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let listeners = els.getListenerInfoFor(target, {});
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return listeners.filter(listener => listener.type == type).length;
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}
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exports['test window close clears listeners'] = function(assert) {
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let window = yield openWindow();
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let loader = Loader(module);
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// Any element will do here
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let gBrowser = window.gBrowser;
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// Other parts of the app may be listening for this
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let windowListeners = countListeners(window, "DOMWindowClose");
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// We can assume we're the only ones using the test events
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assert.equal(countListeners(gBrowser, "TestEvent1"), 0, "Should be no listener for test event 1");
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assert.equal(countListeners(gBrowser, "TestEvent2"), 0, "Should be no listener for test event 2");
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let { open } = loader.require('sdk/event/dom');
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open(gBrowser, "TestEvent1");
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assert.equal(countListeners(window, "DOMWindowClose"), windowListeners + 1,
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"Should have added a DOMWindowClose listener");
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assert.equal(countListeners(gBrowser, "TestEvent1"), 1, "Should be a listener for test event 1");
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assert.equal(countListeners(gBrowser, "TestEvent2"), 0, "Should be no listener for test event 2");
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open(gBrowser, "TestEvent2");
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assert.equal(countListeners(window, "DOMWindowClose"), windowListeners + 1,
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"Should not have added another DOMWindowClose listener");
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assert.equal(countListeners(gBrowser, "TestEvent1"), 1, "Should be a listener for test event 1");
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assert.equal(countListeners(gBrowser, "TestEvent2"), 1, "Should be a listener for test event 2");
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window = yield closeWindow(window);
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assert.equal(countListeners(window, "DOMWindowClose"), windowListeners,
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"Should have removed a DOMWindowClose listener");
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assert.equal(countListeners(gBrowser, "TestEvent1"), 0, "Should be no listener for test event 1");
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assert.equal(countListeners(gBrowser, "TestEvent2"), 0, "Should be no listener for test event 2");
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loader.unload();
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};
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exports['test unload clears listeners'] = function(assert) {
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let window = getMostRecentBrowserWindow();
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let loader = Loader(module);
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// Any element will do here
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let gBrowser = window.gBrowser;
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// Other parts of the app may be listening for this
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let windowListeners = countListeners(window, "DOMWindowClose");
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// We can assume we're the only ones using the test events
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assert.equal(countListeners(gBrowser, "TestEvent1"), 0, "Should be no listener for test event 1");
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assert.equal(countListeners(gBrowser, "TestEvent2"), 0, "Should be no listener for test event 2");
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let { open } = loader.require('sdk/event/dom');
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open(gBrowser, "TestEvent1");
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assert.equal(countListeners(window, "DOMWindowClose"), windowListeners + 1,
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"Should have added a DOMWindowClose listener");
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assert.equal(countListeners(gBrowser, "TestEvent1"), 1, "Should be a listener for test event 1");
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assert.equal(countListeners(gBrowser, "TestEvent2"), 0, "Should be no listener for test event 2");
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open(gBrowser, "TestEvent2");
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assert.equal(countListeners(window, "DOMWindowClose"), windowListeners + 1,
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"Should not have added another DOMWindowClose listener");
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assert.equal(countListeners(gBrowser, "TestEvent1"), 1, "Should be a listener for test event 1");
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assert.equal(countListeners(gBrowser, "TestEvent2"), 1, "Should be a listener for test event 2");
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loader.unload();
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assert.equal(countListeners(window, "DOMWindowClose"), windowListeners,
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"Should have removed a DOMWindowClose listener");
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assert.equal(countListeners(gBrowser, "TestEvent1"), 0, "Should be no listener for test event 1");
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assert.equal(countListeners(gBrowser, "TestEvent2"), 0, "Should be no listener for test event 2");
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};
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require('sdk/test').run(exports);
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