tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

super-must-be-called.js (926B)


      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 es6id: 24.1.2
      5 description: Super need to be called to initialize internals
      6 info: |
      7  24.1.2 The ArrayBuffer Constructor
      8 
      9  ...
     10 
     11  The ArrayBuffer constructor is designed to be subclassable. It may be used as
     12  the value of an extends clause of a class definition. Subclass constructors
     13  that intend to inherit the specified ArrayBuffer behaviour must include a
     14  super call to the ArrayBuffer constructor to create and initialize subclass
     15  instances with the internal state necessary to support the
     16  ArrayBuffer.prototype built-in methods.
     17 ---*/
     18 
     19 class AB1 extends ArrayBuffer {
     20  constructor() {}
     21 }
     22 
     23 assert.throws(ReferenceError, function() {
     24  new AB1(1);
     25 });
     26 
     27 class AB2 extends ArrayBuffer {
     28  constructor(length) {
     29    super(length);
     30  }
     31 }
     32 
     33 new AB2(1);
     34 
     35 reportCompare(0, 0);