| // Copyright (C) 2021 Igalia, S.L. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-temporal.zoneddatetime.prototype.subtract |
| description: Strings with fractional duration units are treated with the correct sign |
| features: [Temporal] |
| ---*/ |
| |
| const instance = new Temporal.ZonedDateTime(1_000_000_000_000_000_000n, "UTC"); |
| |
| const resultHours = instance.subtract("-PT24.567890123H"); |
| assert.sameValue(resultHours.epochNanoseconds, 1_000_088_444_404_442_799n, "negative fractional hours"); |
| |
| const resultMinutes = instance.subtract("-PT1440.567890123M"); |
| assert.sameValue(resultMinutes.epochNanoseconds, 1_000_086_434_073_407_379n, "negative fractional minutes"); |
