tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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set-get-add-method-failure.js (692B)

      1 // Copyright (C) 2015 the V8 project authors. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 /*---
      4 esid: sec-set-constructor
      5 description: >
      6    Set ( [ iterable ] )
      7 
      8    When the Set function is called with optional argument iterable the following steps are taken:
      9 
     10    ...
     11    6. If iterable is either undefined or null, let iter be undefined.
     12    7. Else,
     13      a. Let adder be Get(set, "add").
     14      b. ReturnIfAbrupt(adder).
     15 ---*/
     16 
     17 function MyError() {}
     18 Object.defineProperty(Set.prototype, 'add', {
     19  get: function() {
     20    throw new MyError();
     21  }
     22 });
     23 
     24 new Set();
     25 
     26 assert.throws(MyError, function() {
     27  new Set([]);
     28 });
     29 
     30 reportCompare(0, 0);