// 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 d8.file.execute('test/mjsunit/temporal/temporal-helpers.js'); let d1 = new Temporal.PlainDateTime(2021, 12, 11, 1,2,3,4,5,6); let badDateTime = { toPlainYearMonth: d1.toPlainYearMonth } assertThrows(() => badDateTime.toPlainYearMonth(), TypeError); assertPlainYearMonth(d1.toPlainYearMonth(), 2021, 12);