cross-realm.js - mozsearch

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// |reftest| skip-if(!this.hasOwnProperty("Tuple"))

const realm = newGlobal();

const realm_TupleConstructor = realm.eval("Tuple");

const realm_tuple = realm.eval(`

  var tuple = Tuple(1, 2, 3);

  tuple;

`);

assertEq(realm_tuple === #[1, 2, 3], true);

assertEq(realm_tuple.constructor, Tuple);

assertEq(realm.eval("tuple.constructor"), realm_TupleConstructor);

realm_TupleConstructor.prototype.foo = 42;

assertEq(realm.eval("tuple.foo"), 42);

assertEq(realm_tuple.foo, undefined);

assertEq("foo" in Object(realm_tuple), false);

assertEq(realm.eval(`"foo" in Object(tuple)`), true);

if (typeof reportCompare === "function") reportCompare(0, 0);