// |reftest| skip -- Temporal is not supported
// Copyright (C) 2020 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-temporal.timezone.from
description: An object is returned unchanged
features: [Temporal]
---*/

class CustomTimeZone extends Temporal.TimeZone {}

const objects = [
  new Temporal.TimeZone("UTC"),
  new CustomTimeZone("UTC"),
  {},
  { getPlainDateTimeFor: null },
  { id: "Etc/Custom" },
];

const thisValues = [
  Temporal.TimeZone,
  CustomTimeZone,
  {},
  null,
  undefined,
  7,
];

for (const thisValue of thisValues) {
  for (const object of objects) {
    const result = Temporal.TimeZone.from.call(thisValue, object);
    assert.sameValue(result, object);
  }

  const zdt = new Temporal.ZonedDateTime(0n, "UTC");
  const fromZdt = Temporal.TimeZone.from.call(thisValue, zdt);
  assert.sameValue(fromZdt, zdt.timeZone);
  assert.sameValue(fromZdt.id, "UTC");

  const tz = new Temporal.TimeZone("UTC");
  const fromPropertyBagObject = Temporal.TimeZone.from.call(thisValue, { timeZone: tz });
  assert.sameValue(fromPropertyBagObject, tz);
  assert.sameValue(fromPropertyBagObject.id, "UTC");

  const fromPropertyBagString = Temporal.TimeZone.from.call(thisValue, { timeZone: "UTC" });
  assert(fromPropertyBagString instanceof Temporal.TimeZone);
  assert.sameValue(fromPropertyBagString.id, "UTC");
}

reportCompare(0, 0);