mirror of https://github.com/tc39/test262.git
40 lines
1.0 KiB
JavaScript
40 lines
1.0 KiB
JavaScript
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// Copyright (C) 2019 Aleksey Shvayka. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-serializejsonproperty
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description: >
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Result of toJSON method is stringified.
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info: |
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JSON.stringify ( value [ , replacer [ , space ] ] )
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[...]
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12. Return ? SerializeJSONProperty(the empty String, wrapper).
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SerializeJSONProperty ( key, holder )
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[...]
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2. If Type(value) is Object, then
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a. Let toJSON be ? Get(value, "toJSON").
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b. If IsCallable(toJSON) is true, then
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i. Set value to ? Call(toJSON, value, « key »).
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---*/
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assert.sameValue(
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JSON.stringify({
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toJSON: function() { return [false]; },
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}),
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'[false]'
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);
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var arr = [true];
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arr.toJSON = function() {};
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assert.sameValue(JSON.stringify(arr), undefined);
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var str = new String('str');
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str.toJSON = function() { return null; };
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assert.sameValue(JSON.stringify({key: str}), '{"key":null}');
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var num = new Number(14);
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num.toJSON = function() { return {key: 7}; };
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assert.sameValue(JSON.stringify([num]), '[{"key":7}]');
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