test262/test/built-ins/SharedArrayBuffer/zero-length.js

26 lines
773 B
JavaScript

// Copyright (C) 2015 André Bargull. 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: >
The `length` parameter can be zero.
info: |
SharedArrayBuffer( length )
...
2. Let numberLength be ToNumber(length).
3. Let byteLength be ToLength(numberLength).
4. ReturnIfAbrupt(byteLength).
5. If SameValueZero(numberLength, byteLength) is false, throw a RangeError exception.
...
features: [SharedArrayBuffer]
---*/
var positiveZero = new SharedArrayBuffer(+0);
assert.sameValue(positiveZero.byteLength, 0);
var negativeZero = new SharedArrayBuffer(-0);
assert.sameValue(negativeZero.byteLength, 0);