| // 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.duration.prototype.negated |
| description: Objects of a subclass are never created as return values. |
| includes: [temporalHelpers.js] |
| features: [Temporal] |
| ---*/ |
| |
| TemporalHelpers.checkSubclassingIgnored( |
| Temporal.Duration, |
| [0, 0, 0, 4, 5, 6, 7, 987, 654, 321], |
| "negated", |
| [], |
| (result) => TemporalHelpers.assertDuration(result, 0, 0, 0, -4, -5, -6, -7, -987, -654, -321), |
| ); |
