Philip Chimento 77a34cf93f Add Temporal tests
This copies over the tests that previously existed in the
tc39/proposal-temporal repository.

For context, see thread starting at:
https://github.com/tc39/test262/issues/3002#issuecomment-926234480

In service of https://github.com/tc39/test262/issues/3002
2021-10-01 14:30:12 -04:00

15 lines
647 B
JavaScript

// 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.fromepochmilliseconds
description: Basic tests for Instant.fromEpochMilliseconds().
features: [BigInt, Temporal]
---*/
const afterEpoch = Temporal.Instant.fromEpochMilliseconds(217175010_123);
assert.sameValue(afterEpoch.epochNanoseconds, 217175010_123_000_000n, "fromEpochMilliseconds post epoch");
const beforeEpoch = Temporal.Instant.fromEpochMilliseconds(-217175010_876);
assert.sameValue(beforeEpoch.epochNanoseconds, -217175010_876_000_000n, "fromEpochMilliseconds pre epoch");