michael@0: const Cu = Components.utils;
michael@0: function run_test() {
michael@0: 
michael@0:   // Make a content sandbox with an Xrayable object.
michael@0:   // NB: We use an nsEP here so that we can have access to Components, but still
michael@0:   // have Xray behavior from this scope.
michael@0:   var contentSB = new Cu.Sandbox(['http://www.google.com'],
michael@0:                                  { wantGlobalProperties: ["XMLHttpRequest"], wantComponents: true });
michael@0: 
michael@0:   // Make an XHR in the content sandbox.
michael@0:   Cu.evalInSandbox('xhr = new XMLHttpRequest();', contentSB);
michael@0: 
michael@0:   // Make sure that waivers can be set as Xray expandos.
michael@0:   var xhr = contentSB.xhr;
michael@0:   do_check_true(Cu.isXrayWrapper(xhr));
michael@0:   xhr.unwaivedExpando = xhr;
michael@0:   do_check_true(Cu.isXrayWrapper(xhr.unwaivedExpando));
michael@0:   var waived = xhr.wrappedJSObject;
michael@0:   do_check_true(!Cu.isXrayWrapper(waived));
michael@0:   xhr.waivedExpando = waived;
michael@0:   do_check_true(!Cu.isXrayWrapper(xhr.waivedExpando));
michael@0: 
michael@0:   // Try the same thing for getters/setters, even though that's kind of
michael@0:   // contrived.
michael@0:   Cu.evalInSandbox('function f() {}', contentSB);
michael@0:   var f = contentSB.f;
michael@0:   var fWaiver = Cu.waiveXrays(f);
michael@0:   do_check_true(f != fWaiver);
michael@0:   do_check_true(Cu.unwaiveXrays(fWaiver) === f);
michael@0:   Object.defineProperty(xhr, 'waivedAccessors', {get: fWaiver, set: fWaiver});
michael@0:   var desc = Object.getOwnPropertyDescriptor(xhr, 'waivedAccessors');
michael@0:   do_check_true(desc.get === fWaiver);
michael@0:   do_check_true(desc.set === fWaiver);
michael@0: 
michael@0:   // Make sure we correctly handle same-compartment security wrappers.
michael@0:   var unwaivedC = contentSB.Components;
michael@0:   do_check_true(Cu.isXrayWrapper(unwaivedC));
michael@0:   var waivedC = unwaivedC.wrappedJSObject;
michael@0:   do_check_true(waivedC && unwaivedC && (waivedC != unwaivedC));
michael@0:   xhr.waivedC = waivedC;
michael@0:   do_check_true(xhr.waivedC === waivedC);
michael@0:   do_check_true(Cu.unwaiveXrays(xhr.waivedC) === unwaivedC);
michael@0: }