mirror of https://github.com/tc39/test262.git
18 lines
635 B
JavaScript
18 lines
635 B
JavaScript
// 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.instant
|
|
description: Test for Temporal.Instant subclassing.
|
|
features: [Temporal]
|
|
---*/
|
|
|
|
class CustomInstant extends Temporal.Instant {
|
|
}
|
|
|
|
const instance = new CustomInstant(0n);
|
|
assert.sameValue(instance.epochNanoseconds, 0n);
|
|
assert.sameValue(Object.getPrototypeOf(instance), CustomInstant.prototype, "Instance of CustomInstant");
|
|
assert(instance instanceof CustomInstant, "Instance of CustomInstant");
|
|
assert(instance instanceof Temporal.Instant, "Instance of Temporal.Instant");
|