tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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default-constructor.js (756B)

      1 // Copyright (C) 2014 the V8 project authors. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 /*---
      4 es6id: 14.5
      5 description: >
      6    class default constructor arguments
      7 ---*/
      8 var args, that;
      9 class Base {
     10  constructor() {
     11    that = this;
     12    args = arguments;
     13  }
     14 }
     15 class Derived extends Base {}
     16 
     17 new Derived;
     18 assert.sameValue(args.length, 0, "The value of `args.length` is `0`");
     19 
     20 new Derived(0, 1, 2);
     21 assert.sameValue(args.length, 3, "The value of `args.length` is `3`");
     22 assert.sameValue(
     23  that instanceof Derived,
     24  true,
     25  "The result of `that instanceof Derived` is `true`"
     26 );
     27 
     28 var arr = new Array(100);
     29 var obj = {};
     30 assert.throws(TypeError, function() {Derived.apply(obj, arr);});
     31 
     32 reportCompare(0, 0);