// 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. var map = new Map([[1,2], [2,3], [3,4]]); assertTrue(%MapIteratorProtector()); var set = new Set([1,2,3]); assertTrue(%SetIteratorProtector()); var iterator = set.keys(); iterator[Symbol.iterator] = () => ({next: () => ({done: true})}); assertFalse(%MapIteratorProtector()); assertEquals([[1,2], [2,3], [3,4]], [...map]); assertEquals([[1,2], [2,3], [3,4]], [...map.entries()]); assertEquals([1,2,3], [...map.keys()]); assertEquals([2,3,4], [...map.values()]); assertFalse(%SetIteratorProtector()); assertEquals([[1,1],[2,2],[3,3]], [...set.entries()]); assertEquals([1,2,3], [...set]); assertEquals([1,2,3], [...set.keys()]); assertEquals([1,2,3], [...set.values()]); assertEquals([], [...iterator]);