| // Copyright (C) 2012 Ecma International. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| esid: sec-json.stringify |
| description: > |
| String exotic objects are converted to primitives using ToString. |
| info: | |
| JSON.stringify ( value [ , replacer [ , space ] ] ) |
| |
| [...] |
| 5. If Type(space) is Object, then |
| [...] |
| b. Else if space has a [[StringData]] internal slot, then |
| i. Set space to ? ToString(space). |
| ---*/ |
| |
| var obj = { |
| a1: { |
| b1: [1, 2, 3, 4], |
| b2: { |
| c1: 1, |
| c2: 2, |
| }, |
| }, |
| a2: 'a2', |
| }; |
| |
| assert.sameValue( |
| JSON.stringify(obj, null, new String('xxx')), |
| JSON.stringify(obj, null, 'xxx') |
| ); |
| |
| var str = new String('xxx'); |
| str.toString = function() { return '---'; }; |
| str.valueOf = function() { throw new Test262Error('should not be called'); }; |
| |
| assert.sameValue( |
| JSON.stringify(obj, null, str), |
| JSON.stringify(obj, null, '---') |
| ); |
| |
| var abrupt = new String('xxx'); |
| abrupt.toString = function() { throw new Test262Error(); }; |
| abrupt.valueOf = function() { throw new Test262Error(); }; |
| |
| assert.throws(Test262Error, function() { |
| JSON.stringify(obj, null, abrupt); |
| }); |