// 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 |