| // Copyright (C) 2017 Daniel Ehrenberg. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-todatetimeoptions |
| description: > |
| Monkey-patching Object.prototype does not change the default |
| options for DateTimeFormat as a null prototype is used. |
| info: | |
| ToDateTimeOptions ( options, required, defaults ) |
| |
| 1. If options is undefined, let options be null; otherwise let options be ? ToObject(options). |
| 1. Let options be ObjectCreate(options). |
| ---*/ |
| |
| if (new Intl.DateTimeFormat("en").resolvedOptions().locale === "en") { |
| Object.prototype.year = "2-digit"; |
| assert.notSameValue(new Date().toLocaleString("en").length, 2); |
| } |