// Copyright 2018 the V8 project authors. All rights reserved.// Use of this source code is governed by a BSD-style license that can be// found in the LICENSE file.// Flags: --allow-natives-syntax --no-stress-optvarmap=newMap([[1,2],[2,3],[3,4]]);assertTrue(%MapIteratorProtector());assertTrue(%SetIteratorProtector());// This changes %MapPrototype%. No more tests should be run after this in the// same instance.map.__proto__[Symbol.iterator]=()=>({next:()=>({done:true})});assertTrue(%MapIteratorProtector());assertTrue(%SetIteratorProtector());assertEquals([],[...map]);assertEquals([[1,2],[2,3],[3,4]],[...map.entries()]);assertEquals([1,2,3],[...map.keys()]);assertEquals([2,3,4],[...map.values()]);