| // 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 | |
| // Tests for primitive strings. | |
| var iterator = 'ott'[Symbol.iterator](); | |
| // These modifications shouldn't invalidate the String iterator protector. | |
| iterator.__proto__.fonts = {}; | |
| assertTrue(%StringIteratorProtector()); | |
| iterator.__proto__[0] = 0; | |
| assertTrue(%StringIteratorProtector()); |