tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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not-a-constructor.js (855B)

      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  unescape 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  7. If IsConstructor(constructor) is false, throw a TypeError exception.
     18  ...
     19 includes: [isConstructor.js]
     20 features: [Reflect.construct, arrow-function]
     21 ---*/
     22 
     23 assert.sameValue(isConstructor(unescape), false, 'isConstructor(unescape) must return false');
     24 
     25 assert.throws(TypeError, () => {
     26  new unescape('');
     27 });
     28 
     29 
     30 reportCompare(0, 0);