| // 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()]); |
