tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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arg-is-dataview-subclass-instance.js (605B)

      1 // Copyright (C) 2016 The V8 project authors. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 esid: sec-arraybuffer.isview
      6 description: >
      7  Return true if arg is an instance from a subclass of DataView
      8 info: |
      9  24.1.3.1 ArrayBuffer.isView ( arg )
     10 
     11  1. If Type(arg) is not Object, return false.
     12  2. If arg has a [[ViewedArrayBuffer]] internal slot, return true.
     13  3. Return false.
     14 features: [class, DataView]
     15 ---*/
     16 
     17 class DV extends DataView {}
     18 
     19 var sample = new DV(new ArrayBuffer(1), 0, 0);
     20 
     21 assert(ArrayBuffer.isView(sample));
     22 
     23 reportCompare(0, 0);