mirror of
https://github.com/nodejs/node.git
synced 2025-05-15 17:35:26 +00:00
6bd756d7c6
PR-URL: https://github.com/nodejs/node/pull/44741 Fixes: https://github.com/nodejs/node/issues/44650 Fixes: https://github.com/nodejs/node/issues/37472 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
21 lines
728 B
JavaScript
21 lines
728 B
JavaScript
// 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
|
|
|
|
var map = new Map([[1,2], [2,3], [3,4]]);
|
|
assertTrue(%MapIteratorProtector());
|
|
assertTrue(%SetIteratorProtector());
|
|
|
|
// This changes %MapPrototype%. No more tests should be run after this in the
|
|
// same instance.
|
|
map.__proto__[Symbol.iterator] = () => ({next: () => ({done: true})});
|
|
|
|
assertTrue(%MapIteratorProtector());
|
|
assertTrue(%SetIteratorProtector());
|
|
assertEquals([], [...map]);
|
|
assertEquals([[1,2], [2,3], [3,4]], [...map.entries()]);
|
|
assertEquals([1,2,3], [...map.keys()]);
|
|
assertEquals([2,3,4], [...map.values()]);
|