The Tor Browser / file comparison
comparison: js/xpconnect/tests/unit/test_bug872772.js
js/xpconnect/tests/unit/test_bug872772.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:ca342a42de96 |
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| 1 const Cu = Components.utils; | |
| 2 function run_test() { | |
| 3 | |
| 4 // Make a content sandbox with an Xrayable object. | |
| 5 // NB: We use an nsEP here so that we can have access to Components, but still | |
| 6 // have Xray behavior from this scope. | |
| 7 var contentSB = new Cu.Sandbox(['http://www.google.com'], | |
| 8 { wantGlobalProperties: ["XMLHttpRequest"], wantComponents: true }); | |
| 9 | |
| 10 // Make an XHR in the content sandbox. | |
| 11 Cu.evalInSandbox('xhr = new XMLHttpRequest();', contentSB); | |
| 12 | |
| 13 // Make sure that waivers can be set as Xray expandos. | |
| 14 var xhr = contentSB.xhr; | |
| 15 do_check_true(Cu.isXrayWrapper(xhr)); | |
| 16 xhr.unwaivedExpando = xhr; | |
| 17 do_check_true(Cu.isXrayWrapper(xhr.unwaivedExpando)); | |
| 18 var waived = xhr.wrappedJSObject; | |
| 19 do_check_true(!Cu.isXrayWrapper(waived)); | |
| 20 xhr.waivedExpando = waived; | |
| 21 do_check_true(!Cu.isXrayWrapper(xhr.waivedExpando)); | |
| 22 | |
| 23 // Try the same thing for getters/setters, even though that's kind of | |
| 24 // contrived. | |
| 25 Cu.evalInSandbox('function f() {}', contentSB); | |
| 26 var f = contentSB.f; | |
| 27 var fWaiver = Cu.waiveXrays(f); | |
| 28 do_check_true(f != fWaiver); | |
| 29 do_check_true(Cu.unwaiveXrays(fWaiver) === f); | |
| 30 Object.defineProperty(xhr, 'waivedAccessors', {get: fWaiver, set: fWaiver}); | |
| 31 var desc = Object.getOwnPropertyDescriptor(xhr, 'waivedAccessors'); | |
| 32 do_check_true(desc.get === fWaiver); | |
| 33 do_check_true(desc.set === fWaiver); | |
| 34 | |
| 35 // Make sure we correctly handle same-compartment security wrappers. | |
| 36 var unwaivedC = contentSB.Components; | |
| 37 do_check_true(Cu.isXrayWrapper(unwaivedC)); | |
| 38 var waivedC = unwaivedC.wrappedJSObject; | |
| 39 do_check_true(waivedC && unwaivedC && (waivedC != unwaivedC)); | |
| 40 xhr.waivedC = waivedC; | |
| 41 do_check_true(xhr.waivedC === waivedC); | |
| 42 do_check_true(Cu.unwaiveXrays(xhr.waivedC) === unwaivedC); | |
| 43 } |
