зеркало из https://github.com/mozilla/gecko-dev.git
34 строки
1.3 KiB
JavaScript
34 строки
1.3 KiB
JavaScript
function run_test() {
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// Make a content sandbox with an Xrayable object.
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// NB: We use an nsEP here so that we can have access to Components, but still
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// have Xray behavior from this scope.
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var contentSB = new Cu.Sandbox(['http://www.google.com'],
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{ wantGlobalProperties: ["XMLHttpRequest"] });
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// Make an XHR in the content sandbox.
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Cu.evalInSandbox('xhr = new XMLHttpRequest();', contentSB);
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// Make sure that waivers can be set as Xray expandos.
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var xhr = contentSB.xhr;
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Assert.ok(Cu.isXrayWrapper(xhr));
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xhr.unwaivedExpando = xhr;
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Assert.ok(Cu.isXrayWrapper(xhr.unwaivedExpando));
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var waived = xhr.wrappedJSObject;
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Assert.ok(!Cu.isXrayWrapper(waived));
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xhr.waivedExpando = waived;
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Assert.ok(!Cu.isXrayWrapper(xhr.waivedExpando));
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// Try the same thing for getters/setters, even though that's kind of
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// contrived.
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Cu.evalInSandbox('function f() {}', contentSB);
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var f = contentSB.f;
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var fWaiver = Cu.waiveXrays(f);
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Assert.ok(f != fWaiver);
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Assert.ok(Cu.unwaiveXrays(fWaiver) === f);
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Object.defineProperty(xhr, 'waivedAccessors', {get: fWaiver, set: fWaiver});
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var desc = Object.getOwnPropertyDescriptor(xhr, 'waivedAccessors');
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Assert.ok(desc.get === fWaiver);
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Assert.ok(desc.set === fWaiver);
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}
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