/
githubmirror
/
node
Обзор
Документация
Войти
/
githubmirror
/
node
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
main
deps/v8/test/mjsunit/es6/string-iterator4.js
30 строк
920 B
Michaël Zasso
deps: update V8 to 10.7.193.13
11 окт 2022, 08:24
Не верифицирован
11 окт 2022, 08:24
6bd756d
Код
Авторство
О чём код?
// 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 wrapped strings. var str = new String('ott'); assertTrue(%StringIteratorProtector()); assertEquals(['o', 't', 't'], [...str]); function iterator_fn() { return {next : () => ({value : undefined, done : true})}; }; str[Symbol.iterator] = iterator_fn; // This shouldn't invalidate the protector, because it doesn't support String // objects. assertTrue(%StringIteratorProtector()); assertEquals([], [...str]); var str2 = new String('ott'); assertEquals(['o', 't', 't'], [...str2]); // This changes the String prototype. No more tests should be run after this in // the same instance. str2.__proto__[Symbol.iterator] = iterator_fn; assertFalse(%StringIteratorProtector()); assertEquals([], [...str2]);