| // Copyright (C) 2019 Aleksey Shvayka. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| esid: sec-serializejsonproperty |
| description: > |
| toJSON is called with correct context and arguments. |
| info: | |
| JSON.stringify ( value [ , replacer [ , space ] ] ) |
| |
| [...] |
| 12. Return ? SerializeJSONProperty(the empty String, wrapper). |
| |
| SerializeJSONProperty ( key, holder ) |
| |
| [...] |
| 2. If Type(value) is Object, then |
| a. Let toJSON be ? Get(value, "toJSON"). |
| b. If IsCallable(toJSON) is true, then |
| i. Set value to ? Call(toJSON, value, « key »). |
| ---*/ |
| |
| var callCount = 0; |
| var _this, _key; |
| var obj = { |
| toJSON: function(key) { |
| callCount += 1; |
| _this = this; |
| _key = key; |
| }, |
| }; |
| |
| assert.sameValue(JSON.stringify(obj), undefined); |
| assert.sameValue(callCount, 1); |
| assert.sameValue(_this, obj); |
| assert.sameValue(_key, ''); |
| |
| assert.sameValue(JSON.stringify([1, obj, 3]), '[1,null,3]'); |
| assert.sameValue(callCount, 2); |
| assert.sameValue(_this, obj); |
| assert.sameValue(_key, '1'); |
| |
| assert.sameValue(JSON.stringify({key: obj}), '{}'); |
| assert.sameValue(callCount, 3); |
| assert.sameValue(_this, obj); |
| assert.sameValue(_key, 'key'); |