| // Copyright 2019 Google Inc. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-initializedatetimeformat |
| description: > |
| Checks error cases for the options argument to the DateTimeFormat constructor. |
| info: | |
| InitializeDateTimeFormat ( dateTimeFormat, locales, options ) |
| 23. Let _opt_.[[FractionalSecondDigits]] be ? GetNumberOption(_options_, `"fractionalSecondDigits"`, 0, 3, 0). |
| |
| ... |
| features: [Intl.DateTimeFormat-fractionalSecondDigits] |
| ---*/ |
| |
| |
| const invalidOptions = [ |
| "LONG", |
| " long", |
| "short ", |
| "full", |
| "numeric", |
| -1, |
| 4, |
| "4", |
| "-1", |
| -0.00001, |
| 3.000001, |
| ]; |
| for (const fractionalSecondDigits of invalidOptions) { |
| assert.throws(RangeError, function() { |
| new Intl.DateTimeFormat("en", { fractionalSecondDigits }); |
| }, |
| `new Intl.DateTimeFormat("en", { fractionalSecondDigits: "${fractionalSecondDigits}" }) throws RangeError`); |
| } |
