| // 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 weeks 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 p2m3w = new Temporal.Duration(0,2,3); |
| |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2020-02-29", p2m3w), 2020, 5, "M05", 20, |
| "add two months 3 weeks from Feb 29 of a leap year"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2020-02-28", p2m3w), 2020, 5, "M05", 19, |
| "add two months 3 weeks from Feb 28 of a leap year"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2021-02-28", p2m3w), 2021, 5, "M05", 19, |
| "add two months 3 weeks from Feb 28 of a non leap year"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2020-12-28", p2m3w), 2021, 3, "M03", 21, |
| "add two months 3 weeks from end of year to non leap year"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2019-12-28", p2m3w), 2020, 3, "M03", 20, |
| "add two months 3 weeks from end of year to leap year"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2019-10-28", p2m3w), 2020, 1, "M01", 18, |
| "add two months 3 weeks and cause roll into a new year"); |
| TemporalHelpers.assertPlainDate( |
| cal.dateAdd("2019-10-31", p2m3w), 2020, 1, "M01", 21, |
| "add two months 3 weeks and cause roll into a new year"); |
