// 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-opt// This tests the interaction between the MapIterator protector and SetIterator// protector.varmap=newMap([[1,2],[2,3],[3,4]]);assertTrue(%MapIteratorProtector());varset=newSet([1,2,3]);assertTrue(%SetIteratorProtector());// This changes %MapIteratorPrototype%. No more tests should be run after this// in the same instance.variterator=map.keys();iterator.__proto__[Symbol.iterator]=()=>({next:()=>({done:true})});assertFalse(%MapIteratorProtector());assertEquals([[1,2],[2,3],[3,4]],[...map]);assertEquals([],[...map.entries()]);assertEquals([],[...map.keys()]);assertEquals([],[...map.values()]);assertEquals([],[...iterator]);assertFalse(%SetIteratorProtector());assertEquals([1,2,3],[...set]);assertEquals([[1,1],[2,2],[3,3]],[...set.entries()]);assertEquals([1,2,3],[...set.keys()]);assertEquals([1,2,3],[...set.values()]);