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path: root/js/xpconnect/tests/unit/test_bug856067.js
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function run_test() {
  var sb = new Cu.Sandbox('http://www.example.com');
  let w = Cu.evalInSandbox('var w = new Map()[Symbol.iterator](); w.__proto__ = new Set(); w.foopy = 12; w', sb);
  Assert.equal(Object.getPrototypeOf(w), sb.Object.prototype);
  Assert.equal(Object.getOwnPropertyNames(w).length, 0);
  Assert.equal(w.wrappedJSObject.foopy, 12);
  Assert.equal(w.foopy, undefined);
}