tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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invoked-as-a-fn.js (902B)


      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  `isView` can be invoked as a function
      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: [TypedArray, DataView]
     15 includes: [testTypedArray.js]
     16 ---*/
     17 
     18 var isView = ArrayBuffer.isView;
     19 
     20 testWithTypedArrayConstructors(function(ctor) {
     21  var sample = new ctor();
     22  assert.sameValue(isView(sample), true, "instance of TypedArray");
     23 });
     24 
     25 var dv = new DataView(new ArrayBuffer(1), 0, 0);
     26 assert.sameValue(isView(dv), true, "instance of DataView");
     27 
     28 assert.sameValue(isView(), false, "undefined arg");
     29 assert.sameValue(isView({}), false, "ordinary object");
     30 
     31 reportCompare(0, 0);