| // Copyright (C) 2021 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-temporal.calendar.prototype.dateadd |
| description: Temporal.Calendar.prototype.dateAdd add duration with years and months and calculate correctly. |
| info: | |
| 8. Let result be ? AddISODate(date.[[ISOYear]], date.[[ISOMonth]], date.[[ISODay]], duration.[[Years]], duration.[[Months]], duration.[[Weeks]], duration.[[Days]], overflow). |
| features: [Temporal] |
| includes: [temporalHelpers.js] |
| ---*/ |
| let cal = new Temporal.Calendar("iso8601"); |
| |
| let p1y2m = new Temporal.Duration(1,2); |
| |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2021-07-16", p1y2m), 2022, 9, "M09", 16, |
| "add one year and 2 months"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2021-11-30", p1y2m), 2023, 1, "M01", 30, |
| "add one year and 2 months roll into a new year"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2021-12-31", p1y2m), 2023, 2, "M02", 28, |
| "add one year and 2 months roll into a new year and constrain in Feb 28 of a non leap year"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2022-12-31", p1y2m), 2024, 2, "M02", 29, |
| "add one year and 2 months roll into a new year and constrain in Feb 29 of a leap year"); |
