test262/test/built-ins/DataView/buffer-reference-sab.js

27 lines
718 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.
/*---
es6id: 24.2.2.1
esid: sec-dataview-buffer-byteoffset-bytelength
description: >
Reuse buffer argument instead of making a new clone
info: |
24.2.2.1 DataView (buffer, byteOffset, byteLength )
...
14. Set O's [[ViewedArrayBuffer]] internal slot to buffer.
...
17. Return O.
features: [SharedArrayBuffer]
---*/
var buffer = new SharedArrayBuffer(8);
var dv1 = new DataView(buffer, 0);
var dv2 = new DataView(buffer, 0);
assert.sameValue(dv1.buffer, buffer);
assert.sameValue(dv2.buffer, buffer);