| // 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, months and days 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 p1y2m4d = new Temporal.Duration(1,2,0,4); |
| |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2021-07-16", p1y2m4d), 2022, 9, "M09", 20, |
| "add one year two months and 4 days"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2021-02-27", p1y2m4d), 2022, 5, "M05", 1, |
| "add one year two months and 4 days and roll into new month from a month of 30 days"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2021-01-28", p1y2m4d), 2022, 4, "M04", 1, |
| "add one year two months and 4 days and roll into new month from a month of 31 days"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2021-02-26", p1y2m4d), 2022, 4, "M04", 30, |
| "add one year two months and 4 days which roll from March to April in a non leap year"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2023-02-26", p1y2m4d), 2024, 4, "M04", 30, |
| "add one year two months and 4 days which roll from March to April in a leap year"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2021-12-30", p1y2m4d), 2023, 3, "M03", 4, |
| "add one year two months and 4 days which roll month into new year and roll day into March in non leap year"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2022-12-30", p1y2m4d), 2024, 3, "M03", 4, |
| "add one year two months and 4 days which roll month into new year and roll day into March in leap year"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2022-12-29", p1y2m4d), 2024, 3, "M03", 4, |
| "add one year two months and 4 days which roll month into new year and roll day into March in leap year"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2021-07-30", p1y2m4d), 2022, 10, "M10", 4, |
| "add one year two months and 4 days which roll into a new month from a month with 30 days"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2021-06-30", p1y2m4d), 2022, 9, "M09", 3, |
| "add one year two months and 4 days which roll into a new month from a month with 31 days"); |
