// |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);