tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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replacer-function-arguments.js (1400B)

      1 // Copyright (C) 2019 Aleksey Shvayka. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 /*---
      4 esid: sec-serializejsonproperty
      5 description: >
      6  Replacer function is called with correct context and arguments.
      7 info: |
      8  JSON.stringify ( value [ , replacer [ , space ] ] )
      9 
     10  [...]
     11  12. Return ? SerializeJSONProperty(the empty String, wrapper).
     12 
     13  SerializeJSONProperty ( key, holder )
     14 
     15  1. Let value be ? Get(holder, key).
     16  [...]
     17  3. If ReplacerFunction is not undefined, then
     18    a. Set value to ? Call(ReplacerFunction, holder, « key, value »).
     19 includes: [compareArray.js]
     20 ---*/
     21 
     22 var calls = [];
     23 var replacer = function(key, value) {
     24  if (key !== '') {
     25    calls.push([this, key, value]);
     26  }
     27 
     28  return value;
     29 };
     30 
     31 var b1 = [1, 2];
     32 var b2 = {c1: true, c2: false};
     33 var a1 = {
     34  b1: b1,
     35  b2: {
     36    toJSON: function() { return b2; },
     37  },
     38 };
     39 var obj = {a1: a1, a2: 'a2'};
     40 
     41 assert.sameValue(
     42  JSON.stringify(obj, replacer),
     43  JSON.stringify(obj)
     44 );
     45 
     46 assert.compareArray(calls[0], [obj, 'a1', a1]);
     47 assert.compareArray(calls[1], [a1, 'b1', b1]);
     48 assert.compareArray(calls[2], [b1, '0', 1]);
     49 assert.compareArray(calls[3], [b1, '1', 2]);
     50 assert.compareArray(calls[4], [a1, 'b2', b2]);
     51 assert.compareArray(calls[5], [b2, 'c1', true]);
     52 assert.compareArray(calls[6], [b2, 'c2', false]);
     53 assert.compareArray(calls[7], [obj, 'a2', 'a2']);
     54 
     55 reportCompare(0, 0);