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


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// Copyright (C) 2016 the V8 project authors. 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.
---*/

var buffer = new ArrayBuffer(8);

var dv1 = new DataView(buffer, 0);
var dv2 = new DataView(buffer, 0);

assert.sameValue(dv1.buffer, buffer);
assert.sameValue(dv2.buffer, buffer);