| // Copyright (C) 2017 Daniel Ehrenberg. 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*). |
| ---*/ |
| |
| let defaultMaximumFractionDigits = |
| new Intl.NumberFormat("en").resolvedOptions().maximumFractionDigits; |
| |
| Object.prototype.maximumFractionDigits = 1; |
| let formatter = new Intl.NumberFormat("en"); |
| assert.sameValue(formatter.resolvedOptions().maximumFractionDigits, |
| defaultMaximumFractionDigits); |