| // Copyright (C) 2017-2019 Daniel Ehrenberg; Igalia, S.L. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-initializenumberformat |
| description: > |
| Monkey-patching Object.prototype does not change the default |
| options for NumberFormat as a null prototype is used. |
| info: | |
| InitializeNumberFormat ( numberFormat, locales, options ) |
| |
| 1. If _options_ is *undefined*, then |
| 1. Let _options_ be ObjectCreate(*null*). |
| locale: [en-US] |
| features: [BigInt] |
| ---*/ |
| |
| Object.prototype.useGrouping = false; |
| assert.sameValue(12345n.toLocaleString("en-US"), "12,345"); |
