mirror of
https://github.com/nodejs/node.git
synced 2025-05-16 10:39:59 +00:00
352a525eb9
PR-URL: https://github.com/nodejs/node/pull/19989 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Matheus Marchini <matheus@sthima.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Myles Borins <myles.borins@gmail.com>
18 lines
507 B
JavaScript
18 lines
507 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
|
|
|
|
// Create a double elements array.
|
|
const iterable = [123.123];
|
|
assertTrue(%HasDoubleElements(iterable))
|
|
|
|
iterable.length = 0;
|
|
assertTrue(%HasDoubleElements(iterable))
|
|
|
|
// Should not throw here.
|
|
let map = new Map(iterable);
|
|
assertEquals(0, map.size);
|
|
new WeakMap(iterable); // WeakMap does not have a size
|