tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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map.js (806B)


      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 /*---
      5 description: Map traversal using for..of
      6 info: |
      7    Map instances should be able to be traversed using a `for...of` loop.
      8 es6id: 13.6.4
      9 features: [Map]
     10 ---*/
     11 
     12 var map = new Map();
     13 var obj = {};
     14 var iterationCount = 0;
     15 
     16 var first = [0, 'a'];
     17 var second = [true, false];
     18 var third = [null, undefined];
     19 var fourth = [NaN, obj];
     20 
     21 map.set(0, 'a');
     22 map.set(true, false);
     23 map.set(null, undefined);
     24 map.set(NaN, obj);
     25 
     26 for (var x of map) {
     27  assert.sameValue(x[0], first[0]);
     28  assert.sameValue(x[1], first[1]);
     29  first = second;
     30  second = third;
     31  third = fourth;
     32  fourth = null;
     33  iterationCount += 1;
     34 }
     35 
     36 assert.sameValue(iterationCount, 4);
     37 
     38 reportCompare(0, 0);