| // 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.instant.prototype.subtract |
| description: Objects of a subclass are never created as return values for subtract() |
| includes: [temporalHelpers.js] |
| features: [Temporal] |
| ---*/ |
| |
| TemporalHelpers.checkSubclassingIgnored( |
| Temporal.Instant, |
| [10n], |
| "subtract", |
| [{ nanoseconds: 5 }], |
| (result) => { |
| assert.sameValue(result.epochNanoseconds, 5n, "epochNanoseconds result"); |
| }, |
| ); |
