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Diffstat (limited to '')
-rw-r--r-- | js/xpconnect/tests/unit/test_bug872772.js | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_bug872772.js b/js/xpconnect/tests/unit/test_bug872772.js new file mode 100644 index 0000000000..bfb0d7f4f8 --- /dev/null +++ b/js/xpconnect/tests/unit/test_bug872772.js @@ -0,0 +1,33 @@ +function run_test() { + + // Make a content sandbox with an Xrayable object. + // NB: We use an nsEP here so that we can have access to Components, but still + // have Xray behavior from this scope. + var contentSB = new Cu.Sandbox(['http://www.google.com'], + { wantGlobalProperties: ["XMLHttpRequest"] }); + + // Make an XHR in the content sandbox. + Cu.evalInSandbox('xhr = new XMLHttpRequest();', contentSB); + + // Make sure that waivers can be set as Xray expandos. + var xhr = contentSB.xhr; + Assert.ok(Cu.isXrayWrapper(xhr)); + xhr.unwaivedExpando = xhr; + Assert.ok(Cu.isXrayWrapper(xhr.unwaivedExpando)); + var waived = xhr.wrappedJSObject; + Assert.ok(!Cu.isXrayWrapper(waived)); + xhr.waivedExpando = waived; + Assert.ok(!Cu.isXrayWrapper(xhr.waivedExpando)); + + // Try the same thing for getters/setters, even though that's kind of + // contrived. + Cu.evalInSandbox('function f() {}', contentSB); + var f = contentSB.f; + var fWaiver = Cu.waiveXrays(f); + Assert.ok(f != fWaiver); + Assert.ok(Cu.unwaiveXrays(fWaiver) === f); + Object.defineProperty(xhr, 'waivedAccessors', {get: fWaiver, set: fWaiver}); + var desc = Object.getOwnPropertyDescriptor(xhr, 'waivedAccessors'); + Assert.ok(desc.get === fWaiver); + Assert.ok(desc.set === fWaiver); +} |