palemoon-dev/platform/js/xpconnect/tests/unit/test_file.js

/* 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() {   
  do_load_manifest("component-file.manifest");
  const contractID = "@mozilla.org/tests/component-file;1";
  do_check_true(contractID in Components.classes);
  var foo = Components.classes[contractID]
                      .createInstance(Components.interfaces.nsIClassInfo);
  do_check_true(Boolean(foo));
  do_check_true(foo.contractID == contractID);
  do_check_true(!!foo.wrappedJSObject);
  do_check_true(foo.wrappedJSObject.doTest());
}