test262/test/built-ins/SharedArrayBuffer/length-is-absent.js

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629 B
JavaScript

// Copyright (C) 2016 The V8 Project authors. All rights reserved.
// Copyright (C) 2017 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-sharedarraybuffer-length
description: >
Returns an empty instance if length is absent
info: |
SharedArrayBuffer( length )
1. If NewTarget is undefined, throw a TypeError exception.
2. Let byteLength be ? ToIndex(length).
3. Return ? AllocateSharedArrayBuffer(NewTarget, byteLength).
features: [SharedArrayBuffer]
---*/
var buffer = new SharedArrayBuffer();
assert.sameValue(buffer.byteLength, 0);