tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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replacer-function-result-undefined.js (1068B)

      1 // Copyright (C) 2012 Ecma International. 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  Result of replacer function is stringified.
      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  [...]
     16  3. If ReplacerFunction is not undefined, then
     17    a. Set value to ? Call(ReplacerFunction, holder, « key, value »).
     18 ---*/
     19 
     20 assert.sameValue(JSON.stringify(1, function() {}), undefined);
     21 assert.sameValue(JSON.stringify([1], function() {}), undefined);
     22 assert.sameValue(JSON.stringify({prop: 1}, function() {}), undefined);
     23 
     24 var replacer = function(_key, value) {
     25  return value === 1 ? undefined : value;
     26 };
     27 
     28 assert.sameValue(JSON.stringify([1], replacer), '[null]');
     29 assert.sameValue(JSON.stringify({prop: 1}, replacer), '{}');
     30 assert.sameValue(JSON.stringify({
     31  a: {
     32    b: [1],
     33  },
     34 }, replacer), '{"a":{"b":[null]}}');
     35 
     36 reportCompare(0, 0);