The Tor Browser / file revision

 /* 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/. */

 function run_test() {   

   var scope = {};

   Components.utils.import("resource://gre/modules/XPCOMUtils.jsm", scope);

   do_check_eq(typeof(scope.XPCOMUtils), "object");

   do_check_eq(typeof(scope.XPCOMUtils.generateNSGetFactory), "function");

   // access module's global object directly without importing any

   // symbols

   var module = Components.utils.import("resource://gre/modules/XPCOMUtils.jsm",

                                        null);

   do_check_eq(typeof(XPCOMUtils), "undefined");

   do_check_eq(typeof(module), "object");

   do_check_eq(typeof(module.XPCOMUtils), "object");

   do_check_eq(typeof(module.XPCOMUtils.generateNSGetFactory), "function");

   do_check_true(scope.XPCOMUtils == module.XPCOMUtils);

   // import symbols to our global object

   do_check_eq(typeof(Components.utils.import), "function");

   Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");

   do_check_eq(typeof(XPCOMUtils), "object");

   do_check_eq(typeof(XPCOMUtils.generateNSGetFactory), "function");

   // try on a new object

   var scope2 = {};

   Components.utils.import("resource://gre/modules/XPCOMUtils.jsm", scope2);

   do_check_eq(typeof(scope2.XPCOMUtils), "object");

   do_check_eq(typeof(scope2.XPCOMUtils.generateNSGetFactory), "function");

   do_check_true(scope2.XPCOMUtils == scope.XPCOMUtils);

   // try on a new object using the resolved URL

   var res = Components.classes["@mozilla.org/network/protocol;1?name=resource"]

                       .getService(Components.interfaces.nsIResProtocolHandler);

   var resURI = res.newURI("resource://gre/modules/XPCOMUtils.jsm", null, null);

   dump("resURI: " + resURI + "\n");

   var filePath = res.resolveURI(resURI);

   var scope3 = {};

   Components.utils.import(filePath, scope3);

   do_check_eq(typeof(scope3.XPCOMUtils), "object");

   do_check_eq(typeof(scope3.XPCOMUtils.generateNSGetFactory), "function");

   do_check_true(scope3.XPCOMUtils == scope.XPCOMUtils);

   // make sure we throw when the second arg is bogus

   var didThrow = false;

   try {

       Components.utils.import("resource://gre/modules/XPCOMUtils.jsm", "wrong");

   } catch (ex) {

       print("exception (expected): " + ex);

       didThrow = true;

   }

   do_check_true(didThrow);

   // try to create a component

   do_load_manifest("component_import.manifest");

   const contractID = "@mozilla.org/tests/module-importer;";

   do_check_true((contractID + "1") in Components.classes);

   var foo = Components.classes[contractID + "1"]

                       .createInstance(Components.interfaces.nsIClassInfo);

   do_check_true(Boolean(foo));

   do_check_true(foo.contractID == contractID + "1");

   // XXX the following check succeeds only if the test component wasn't

   //     already registered. Need to figure out a way to force registration

   //     (to manually force it, delete compreg.dat before running the test)

   // do_check_true(foo.wrappedJSObject.postRegisterCalled);

   // Call getInterfaces to test line numbers in JS components.  But as long as

   // we're doing that, why not test what it returns too?

   // Kind of odd that this is not returning an array containing the

   // number... Or for that matter not returning an array containing an object?

   var interfaces = foo.getInterfaces({});

   do_check_eq(interfaces, Components.interfaces.nsIClassInfo.number);

   // try to create a component by CID

   const cid = "{6b933fe6-6eba-4622-ac86-e4f654f1b474}";

   do_check_true(cid in Components.classesByID);

   foo = Components.classesByID[cid]

                   .createInstance(Components.interfaces.nsIClassInfo);

   do_check_true(foo.contractID == contractID + "1");

   // try to create another component which doesn't directly implement QI

   do_check_true((contractID + "2") in Components.classes);

   var bar = Components.classes[contractID + "2"]

                       .createInstance(Components.interfaces.nsIClassInfo);

   do_check_true(Boolean(bar));

   do_check_true(bar.contractID == contractID + "2");

 }