tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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subclass-object-arg.js (836B)

      1 // Copyright (C) 2019 Aleksey Shvayka. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 /*---
      4 esid: sec-object-value
      5 author: Matthew Phillips <matthew@matthewphillips.info>
      6 description: >
      7  NewTarget is active function and subclass of Object
      8 info: |
      9  Object ( [ value ] )
     10 
     11  1. If NewTarget is neither undefined nor the active function, then
     12    a. Return ? OrdinaryCreateFromConstructor(NewTarget, "%ObjectPrototype%").
     13  [...]
     14 features: [class, Reflect, Reflect.construct]
     15 ---*/
     16 
     17 class O extends Object {}
     18 
     19 var o1 = new O({a: 1});
     20 var o2 = Reflect.construct(Object, [{b: 2}], O);
     21 
     22 assert.sameValue(o1.a, undefined);
     23 assert.sameValue(o2.b, undefined);
     24 
     25 assert.sameValue(Object.getPrototypeOf(o1), O.prototype);
     26 assert.sameValue(Object.getPrototypeOf(o2), O.prototype);
     27 
     28 reportCompare(0, 0);