test_components.js

Enable keyboard shortcuts

function run_test() {

  var sb1 = Cu.Sandbox("http://www.blah.com");

  var sb2 = Cu.Sandbox(this);

  var rv;

  // non-chrome accessing chrome Components

  sb1.C = Components;

  checkThrows("C.interfaces", sb1);

  checkThrows("C.utils", sb1);

  checkThrows("C.classes", sb1);

  // non-chrome accessing own Components: shouldn't exist.

  Assert.equal(Cu.evalInSandbox("typeof Components", sb1), 'undefined');

  // chrome accessing chrome

  sb2.C = Components;

  rv = Cu.evalInSandbox("C.utils", sb2);

  Assert.equal(rv, Cu);

function checkThrows(expression, sb) {

  var result = Cu.evalInSandbox('(function() { try { ' + expression + '; return "allowed"; } catch (e) { return e.toString(); }})();', sb);

  Assert.ok(!!/denied/.exec(result));