v8/test/mjsunit/temporal/instant-from-epoch-milliseconds.js
Frank Tang 7d729e85b6 [Temporal] Add some tests for Instant
Land some of the tests for Temporal.Instant
All marked as FAIL at this stage.

Bug: v8:11544
Change-Id: I79d14df47248c708e5d73a0e00e3f7973c521d16
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3086903
Commit-Queue: Frank Tang <ftang@chromium.org>
Reviewed-by: Shu-yu Guo <syg@chromium.org>
Cr-Commit-Position: refs/heads/main@{#76550}
2021-08-28 05:26:50 +00:00

29 lines
1.0 KiB
JavaScript

// Copyright 2021 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --harmony-temporal
let bigint_nano = 567890123456789000000n;
let bigint_milli = 567890123456789n;
let inst1 = new Temporal.Instant(bigint_nano);
let inst2 = Temporal.Instant.fromEpochMilliseconds(bigint_milli);
assertEquals(inst1, inst2);
let just_fit_neg_bigint = -8640000000000000n;
let just_fit_pos_bigint = 8640000000000000n;
let too_big_bigint = 8640000000000001n;
let too_small_bigint = -8640000000000001n;
assertThrows(() =>
{let inst = Temporal.Instant.fromEpochMilliseconds(too_small_bigint)},
RangeError);
assertThrows(() =>
{let inst = Temporal.Instant.fromEpochMilliseconds(too_big_bigint)},
RangeError);
assertEquals(just_fit_neg_bigint,
(Temporal.Instant.fromEpochMilliseconds(
just_fit_neg_bigint)).epochMilliseconds);
assertEquals(just_fit_pos_bigint,
(Temporal.Instant.fromEpochMilliseconds(
just_fit_pos_bigint)).epochMilliseconds);