| // 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 | |
| var set = new Set([1,2,3]); | |
| assertTrue(%SetIteratorProtector()); | |
| assertTrue(%MapIteratorProtector()); | |
| // This changes %SetPrototype%. No more tests should be run after this in the | |
| // same instance. | |
| set.__proto__[Symbol.iterator] = () => ({next: () => ({done: true})}); | |
| assertFalse(%SetIteratorProtector()); | |
| assertTrue(%MapIteratorProtector()); | |
| assertEquals([], [...set]); | |
| assertEquals([[1,1],[2,2],[3,3]], [...set.entries()]); | |
| assertEquals([1,2,3], [...set.keys()]); | |
| assertEquals([1,2,3], [...set.values()]); |