tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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iterable-with-object-values.js (957B)

      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-weakset-iterable
      5 description: >
      6  Returns the new WeakSet adding Object values from the iterable parameter.
      7 info: |
      8  WeakSet ( [ _iterable_ ] )
      9  8. Repeat,
     10    d. Let _status_ be Completion(Call(_adder_, _set_, « _nextValue_ »)).
     11 
     12  WeakSet.prototype.add ( _value_ ):
     13  6. Append _value_ as the last element of _entries_.
     14 features: [WeakSet]
     15 ---*/
     16 
     17 var first = {};
     18 var second = {};
     19 var added = [];
     20 var add = WeakSet.prototype.add;
     21 WeakSet.prototype.add = function(value) {
     22  added.push(value);
     23  return add.call(this, value);
     24 };
     25 var s = new WeakSet([first, second]);
     26 
     27 assert.sameValue(added.length, 2, 'Called WeakSet#add for each object');
     28 assert.sameValue(added[0], first, 'Adds object in order - first');
     29 assert.sameValue(added[1], second, 'Adds object in order - second');
     30 
     31 reportCompare(0, 0);