tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

replacer-function-array-circular.js (1070B)


      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-serializejsonarray
      5 description: >
      6  Circular array value (returned from replacer function) throws a TypeError.
      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  10. If Type(value) is Object and IsCallable(value) is false, then
     20    a. Let isArray be ? IsArray(value).
     21    b. If isArray is true, return ? SerializeJSONArray(value).
     22 
     23  SerializeJSONArray ( value )
     24 
     25  1. If stack contains value, throw a TypeError exception because the structure is cyclical.
     26 ---*/
     27 
     28 var circular = [{}];
     29 var circularReplacer = function(k, v) {
     30  return circular;
     31 };
     32 
     33 assert.throws(TypeError, function() {
     34  JSON.stringify(circular, circularReplacer);
     35 });
     36 
     37 reportCompare(0, 0);