tor-browser

The Tor Browser
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not-a-constructor.js (933B)

      1 // Copyright (C) 2020 Rick Waldron. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 esid: sec-ecmascript-standard-built-in-objects
      6 description: >
      7  Reflect.deleteProperty does not implement [[Construct]], is not new-able
      8 info: |
      9  ECMAScript Function Objects
     10 
     11  Built-in function objects that are not identified as constructors do not
     12  implement the [[Construct]] internal method unless otherwise specified in
     13  the description of a particular function.
     14 
     15  sec-evaluatenew
     16 
     17  ...
     18  7. If IsConstructor(constructor) is false, throw a TypeError exception.
     19  ...
     20 includes: [isConstructor.js]
     21 features: [Reflect.construct, Reflect, arrow-function]
     22 ---*/
     23 
     24 assert.sameValue(
     25  isConstructor(Reflect.deleteProperty),
     26  false,
     27  'isConstructor(Reflect.deleteProperty) must return false'
     28 );
     29 
     30 assert.throws(TypeError, () => {
     31  new Reflect.deleteProperty({}, '');
     32 });
     33 
     34 
     35 reportCompare(0, 0);