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tubestation/js/xpconnect/tests/unit/test_xpcomutils.js

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: sw=4 ts=4 sts=4 et
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Necko Test Code.
*
* The Initial Developer of the Original Code is the Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Boris Zbarsky <bzbarsky@mit.edu> (Original Author)
* Shawn Wilsher <me@shawnwilsher.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/**
* This file tests the methods on XPCOMUtils.jsm.
*/
Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
const Cc = Components.classes;
const Ci = Components.interfaces;
////////////////////////////////////////////////////////////////////////////////
//// Tests
function test_generateQI_string_names()
{
var x = {
QueryInterface: XPCOMUtils.generateQI([
Components.interfaces.nsIClassInfo,
"nsIDOMNode"
])
};
try {
x.QueryInterface(Components.interfaces.nsIClassInfo);
} catch(e) {
do_throw("Should QI to nsIClassInfo");
}
try {
x.QueryInterface(Components.interfaces.nsIDOMNode);
} catch(e) {
do_throw("Should QI to nsIDOMNode");
}
try {
x.QueryInterface(Components.interfaces.nsIDOMDocument);
do_throw("QI should not have succeeded!");
} catch(e) {}
}
function test_generateCI()
{
const classID = Components.ID("562dae2e-7cff-432b-995b-3d4c03fa2b89");
const classDescription = "generateCI test component";
const flags = Components.interfaces.nsIClassInfo.DOM_OBJECT;
var x = {
QueryInterface: XPCOMUtils.generateQI([]),
classInfo: XPCOMUtils.generateCI({classID: classID,
interfaces: [],
flags: flags,
classDescription: classDescription})
};
try {
var ci = x.QueryInterface(Components.interfaces.nsIClassInfo);
ci = ci.QueryInterface(Components.interfaces.nsISupports);
ci = ci.QueryInterface(Components.interfaces.nsIClassInfo);
do_check_eq(ci.classID, classID);
do_check_eq(ci.flags, flags);
do_check_eq(ci.classDescription, classDescription);
} catch(e) {
do_throw("Classinfo for x should not be missing or broken");
}
}
function test_defineLazyGetter()
{
let accessCount = 0;
let obj = {
inScope: false
};
const TEST_VALUE = "test value";
XPCOMUtils.defineLazyGetter(obj, "foo", function() {
accessCount++;
this.inScope = true;
return TEST_VALUE;
});
do_check_eq(accessCount, 0);
// Get the property, making sure the access count has increased.
do_check_eq(obj.foo, TEST_VALUE);
do_check_eq(accessCount, 1);
do_check_true(obj.inScope);
// Get the property once more, making sure the access count has not
// increased.
do_check_eq(obj.foo, TEST_VALUE);
do_check_eq(accessCount, 1);
}
function test_defineLazyServiceGetter()
{
let obj = { };
XPCOMUtils.defineLazyServiceGetter(obj, "service",
"@mozilla.org/consoleservice;1",
"nsIConsoleService");
let service = Cc["@mozilla.org/consoleservice;1"].
getService(Ci.nsIConsoleService);
// Check that the lazy service getter and the actual service have the same
// properties.
for (let prop in obj.service)
do_check_true(prop in service);
for (let prop in service)
do_check_true(prop in obj.service);
}
function test_categoryRegistration()
{
const CATEGORY_NAME = "test-cat";
const XULAPPINFO_CONTRACTID = "@mozilla.org/xre/app-info;1";
const XULAPPINFO_CID = Components.ID("{fc937916-656b-4fb3-a395-8c63569e27a8}");
// Create a fake app entry for our category registration apps filter.
let XULAppInfo = {
vendor: "Mozilla",
name: "catRegTest",
ID: "{adb42a9a-0d19-4849-bf4d-627614ca19be}",
version: "1",
appBuildID: "2007010101",
platformVersion: "",
platformBuildID: "2007010101",
inSafeMode: false,
logConsoleErrors: true,
OS: "XPCShell",
XPCOMABI: "noarch-spidermonkey",
QueryInterface: XPCOMUtils.generateQI([
Ci.nsIXULAppInfo,
Ci.nsIXULRuntime,
])
};
let XULAppInfoFactory = {
createInstance: function (outer, iid) {
if (outer != null)
throw Cr.NS_ERROR_NO_AGGREGATION;
return XULAppInfo.QueryInterface(iid);
}
};
let registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
registrar.registerFactory(
XULAPPINFO_CID,
"XULAppInfo",
XULAPPINFO_CONTRACTID,
XULAppInfoFactory
);
// Load test components.
do_load_manifest("CatRegistrationComponents.manifest");
const EXPECTED_ENTRIES = ["CatAppRegisteredComponent",
"CatRegisteredComponent"];
// Check who is registered in "test-cat" category.
let foundEntriesCount = 0;
let catMan = Cc["@mozilla.org/categorymanager;1"].
getService(Ci.nsICategoryManager);
let entries = catMan.enumerateCategory(CATEGORY_NAME);
while (entries.hasMoreElements()) {
foundEntriesCount++;
let entry = entries.getNext().QueryInterface(Ci.nsISupportsCString).data;
print("Check the found category entry (" + entry + ") is expected.");
do_check_true(EXPECTED_ENTRIES.indexOf(entry) != -1);
}
print("Check there are no more or less than expected entries.");
do_check_eq(foundEntriesCount, EXPECTED_ENTRIES.length);
}
////////////////////////////////////////////////////////////////////////////////
//// Test Runner
let tests = [
test_generateQI_string_names,
test_generateCI,
test_defineLazyGetter,
test_defineLazyServiceGetter,
test_categoryRegistration,
];
function run_test()
{
tests.forEach(function(test) {
print("Running next test: " + test.name);
test();
});
}