| // 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 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 p5m = new Temporal.Duration(0, 5); |
| |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2021-07-16", p5m), 2021, 12, "M12", 16, |
| "add five months and result in the same year"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2021-08-16", p5m), 2022, 1, "M01", 16, |
| "add five months and result in the next year"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2021-10-31", p5m), 2022, 3, "M03", 31, |
| "add five months and result in the next year in end of month"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2019-10-01", p5m), 2020, 3, "M03", 1, |
| "add five months and result in the next year in end of month on leap year"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2021-09-30", p5m), 2022, 2, "M02", 28, |
| "add five months and result in the nexdt year and constrain to Feb 28"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2019-09-30", p5m), 2020, 2, "M02", 29, |
| "add five months and result in the nexdt year and constrain to Feb 29 on leap year"); |
