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deps/v8/test/mjsunit/es6/string-iterator2.js
26 строк
827 B
Michaël Zasso
deps: update V8 to 10.7.193.13
11 окт 2022, 08:24
Не верифицирован
11 окт 2022, 08:24
6bd756d
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// 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 spreading primitive strings. assertEquals([...''], []); var str = 'ott'; assertEquals(['o', 't', 't'], [...str]); assertTrue(%StringIteratorProtector()); str[Symbol.iterator] = {}; // Symbol.iterator can't be set on primitive strings, so it shouldn't invalidate // the protector. assertTrue(%StringIteratorProtector()); // This changes the String Iterator prototype. No more tests should be run after // this in the same instance. var iterator = str[Symbol.iterator](); iterator.__proto__.next = () => ({value : undefined, done : true}); assertFalse(%StringIteratorProtector()); assertEquals([], [...str]);