| // Copyright 2019 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 |
| |
| // The special IterResultObject map that builtins use should be the same |
| // as the one produced by the `{value, done}` object literal. |
| const user = {value:undefined, done:true}; |
| |
| // Array iterator. |
| const arrayResult = (new Array())[Symbol.iterator]().next(); |
| assertTrue(%HaveSameMap(user, arrayResult)); |
| |
| // Map iterator. |
| const mapResult = (new Map())[Symbol.iterator]().next(); |
| assertTrue(%HaveSameMap(user, mapResult)); |
| |
| // Set iterator. |
| const setResult = (new Set())[Symbol.iterator]().next(); |
| assertTrue(%HaveSameMap(user, setResult)); |
| |
| // Generator. |
| function* generator() {} |
| const generatorResult = generator().next(); |
| assertTrue(%HaveSameMap(user, setResult)); |
