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437f9a7631
Co-authored-by: Philip Chimento <pchimento@igalia.com> Co-authored-by: Ms2ger <Ms2ger@igalia.com>
31 lines
1.1 KiB
JavaScript
31 lines
1.1 KiB
JavaScript
// Copyright (C) 2023 the V8 project authors. 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-json.rawjson
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description: BigInt rawJSON can be stringified.
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info: |
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JSON.rawJSON ( text )
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1. Let jsonString be ? ToString(text).
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...
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4. Let internalSlotsList be « [[IsRawJSON]] ».
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5. Let obj be OrdinaryObjectCreate(null, internalSlotsList).
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6. Perform ! CreateDataPropertyOrThrow(obj, "rawJSON", jsonString).
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7. Perform ! SetIntegrityLevel(obj, frozen).
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8. Return obj.
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features: [BigInt, json-parse-with-source]
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---*/
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const tooBigForNumber = BigInt(Number.MAX_SAFE_INTEGER) + 2n;
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const intToBigInt = (key, val, { source }) =>
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typeof val === 'number' && val % 1 === 0 ? BigInt(source) : val;
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const roundTripped = JSON.parse(String(tooBigForNumber), intToBigInt);
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assert.sameValue(roundTripped, tooBigForNumber);
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const bigIntToRawJSON = (key, val) =>
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typeof val === 'bigint' ? JSON.rawJSON(val) : val;
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const embedded = JSON.stringify({ tooBigForNumber }, bigIntToRawJSON);
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assert.sameValue(embedded, '{"tooBigForNumber":9007199254740993}');
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