mirror of https://github.com/tc39/test262.git
28 lines
845 B
JavaScript
28 lines
845 B
JavaScript
// 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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Non-finite numbers as serialized as null.
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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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4. If Type(value) is Object, then
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a. If value has a [[NumberData]] internal slot, then
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i. Set value to ? ToNumber(value).
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[...]
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9. If Type(value) is Number, then
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a. If value is finite, return ! ToString(value).
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b. Return "null".
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---*/
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assert.sameValue(JSON.stringify(Infinity), 'null');
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assert.sameValue(JSON.stringify({key: -Infinity}), '{"key":null}');
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assert.sameValue(JSON.stringify([NaN]), '[null]');
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