| // Copyright (C) 2022 Igalia, S.L. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-temporal.plaindatetime.prototype.until |
| description: The since and until operations act as inverses |
| includes: [temporalHelpers.js] |
| features: [Temporal] |
| ---*/ |
| |
| const dt = new Temporal.PlainDateTime(1976, 11, 18, 15, 23, 30, 123, 456, 789); |
| const later = new Temporal.PlainDateTime(2016, 3, 3, 18); |
| |
| TemporalHelpers.assertDurationsEqual(dt.until(later), later.since(dt), "until and since act as inverses"); |
