| // Copyright (C) 2016 The V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-arraybuffer.isview |
| description: > |
| Return true if arg is an instance from a subclass of DataView |
| info: | |
| 24.1.3.1 ArrayBuffer.isView ( arg ) |
| |
| 1. If Type(arg) is not Object, return false. |
| 2. If arg has a [[ViewedArrayBuffer]] internal slot, return true. |
| 3. Return false. |
| features: [class, DataView] |
| ---*/ |
| |
| class DV extends DataView {} |
| |
| var sample = new DV(new ArrayBuffer(1), 0, 0); |
| |
| assert(ArrayBuffer.isView(sample)); |
