The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/xpconnect/tests/unit/test_bug872772.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,43 @@
     1.4 +const Cu = Components.utils;
     1.5 +function run_test() {
     1.6 +
     1.7 +  // Make a content sandbox with an Xrayable object.
     1.8 +  // NB: We use an nsEP here so that we can have access to Components, but still
     1.9 +  // have Xray behavior from this scope.
    1.10 +  var contentSB = new Cu.Sandbox(['http://www.google.com'],
    1.11 +                                 { wantGlobalProperties: ["XMLHttpRequest"], wantComponents: true });
    1.12 +
    1.13 +  // Make an XHR in the content sandbox.
    1.14 +  Cu.evalInSandbox('xhr = new XMLHttpRequest();', contentSB);
    1.15 +
    1.16 +  // Make sure that waivers can be set as Xray expandos.
    1.17 +  var xhr = contentSB.xhr;
    1.18 +  do_check_true(Cu.isXrayWrapper(xhr));
    1.19 +  xhr.unwaivedExpando = xhr;
    1.20 +  do_check_true(Cu.isXrayWrapper(xhr.unwaivedExpando));
    1.21 +  var waived = xhr.wrappedJSObject;
    1.22 +  do_check_true(!Cu.isXrayWrapper(waived));
    1.23 +  xhr.waivedExpando = waived;
    1.24 +  do_check_true(!Cu.isXrayWrapper(xhr.waivedExpando));
    1.25 +
    1.26 +  // Try the same thing for getters/setters, even though that's kind of
    1.27 +  // contrived.
    1.28 +  Cu.evalInSandbox('function f() {}', contentSB);
    1.29 +  var f = contentSB.f;
    1.30 +  var fWaiver = Cu.waiveXrays(f);
    1.31 +  do_check_true(f != fWaiver);
    1.32 +  do_check_true(Cu.unwaiveXrays(fWaiver) === f);
    1.33 +  Object.defineProperty(xhr, 'waivedAccessors', {get: fWaiver, set: fWaiver});
    1.34 +  var desc = Object.getOwnPropertyDescriptor(xhr, 'waivedAccessors');
    1.35 +  do_check_true(desc.get === fWaiver);
    1.36 +  do_check_true(desc.set === fWaiver);
    1.37 +
    1.38 +  // Make sure we correctly handle same-compartment security wrappers.
    1.39 +  var unwaivedC = contentSB.Components;
    1.40 +  do_check_true(Cu.isXrayWrapper(unwaivedC));
    1.41 +  var waivedC = unwaivedC.wrappedJSObject;
    1.42 +  do_check_true(waivedC && unwaivedC && (waivedC != unwaivedC));
    1.43 +  xhr.waivedC = waivedC;
    1.44 +  do_check_true(xhr.waivedC === waivedC);
    1.45 +  do_check_true(Cu.unwaiveXrays(xhr.waivedC) === unwaivedC);
    1.46 +}