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// Copyright (C) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-serializejsonproperty
description: >
String exotic objects are converted to primitives using ToString.
info: |
JSON.stringify ( value [ , replacer [ , space ] ] )
[...]
12. Return ? SerializeJSONProperty(the empty String, wrapper).
SerializeJSONProperty ( key, holder )
[...]
4. If Type(value) is Object, then
[...]
b. Else if value has a [[StringData]] internal slot, then
i. Set value to ? ToString(value).
[...]
8. If Type(value) is String, return QuoteJSONString(value).
---*/
assert.sameValue(JSON.stringify(new String('str')), '"str"');
var toJSON = function() {
var str = new String('str');
str.toString = function() { return 'toString'; };
str.valueOf = function() { throw new Test262Error('should not be called'); };
return str;
};
assert.sameValue(
JSON.stringify({
key: {
toJSON: toJSON,
},
}),
'{"key":"toString"}'
);
var abruptReplacer = function(_key, value) {
if (value === true) {
var str = new String('str');
str.toString = function() { throw new Test262Error(); };
str.valueOf = function() { throw new Test262Error(); };
return str;
}
return value;
};
assert.throws(Test262Error, function() {
JSON.stringify([true], abruptReplacer);
});
reportCompare(0, 0);