finalizationRegistry-security-wrapper.js

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// FinalizationRegistry.prototype.register and the WeakRef constructor must

// throw if the target is a wrapper that can't be unwrapped.

load(libdir + "asserts.js");

var g = newGlobal({newCompartment: true, securityWrappers: true});

var target = {};

var fr = new g.FinalizationRegistry(() => {});

assertErrorMessage(() => fr.register(target, 1), g.Error,

                   "Permission denied to access object");

assertErrorMessage(() => new g.WeakRef(target), g.Error,

                   "Permission denied to access object");