// 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.zoneddatetime.prototype.startofday
description: Objects of a subclass are never created as return values.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
TemporalHelpers.checkSubclassingIgnored(
Temporal.ZonedDateTime,
[88000_123_456_789n, "UTC"],
"startOfDay",
[],
(result) => {
assert.sameValue(result.epochNanoseconds, 86400_000_000_000n, "epochNanoseconds result");
assert.sameValue(result.year, 1970, "year result");
assert.sameValue(result.month, 1, "month result");
assert.sameValue(result.day, 2, "day result");
assert.sameValue(result.hour, 0, "hour result");
assert.sameValue(result.minute, 0, "minute result");
assert.sameValue(result.second, 0, "second result");
assert.sameValue(result.millisecond, 0, "millisecond result");
assert.sameValue(result.microsecond, 0, "microsecond result");
assert.sameValue(result.nanosecond, 0, "nanosecond result");
},
);