tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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space-string-object.js (1186B)


      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-json.stringify
      5 description: >
      6  String exotic objects are converted to primitives using ToString.
      7 info: |
      8  JSON.stringify ( value [ , replacer [ , space ] ] )
      9 
     10  [...]
     11  5. If Type(space) is Object, then
     12    [...]
     13    b. Else if space has a [[StringData]] internal slot, then
     14      i. Set space to ? ToString(space).
     15 ---*/
     16 
     17 var obj = {
     18  a1: {
     19    b1: [1, 2, 3, 4],
     20    b2: {
     21      c1: 1,
     22      c2: 2,
     23    },
     24  },
     25  a2: 'a2',
     26 };
     27 
     28 assert.sameValue(
     29  JSON.stringify(obj, null, new String('xxx')),
     30  JSON.stringify(obj, null, 'xxx')
     31 );
     32 
     33 var str = new String('xxx');
     34 str.toString = function() { return '---'; };
     35 str.valueOf = function() { throw new Test262Error('should not be called'); };
     36 
     37 assert.sameValue(
     38  JSON.stringify(obj, null, str),
     39  JSON.stringify(obj, null, '---')
     40 );
     41 
     42 var abrupt = new String('xxx');
     43 abrupt.toString = function() { throw new Test262Error(); };
     44 abrupt.valueOf = function() { throw new Test262Error(); };
     45 
     46 assert.throws(Test262Error, function() {
     47  JSON.stringify(obj, null, abrupt);
     48 });
     49 
     50 reportCompare(0, 0);