// 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'); // Simple add let d = new Temporal.PlainDate(2021, 7, 20); assertPlainDate(d.add("P1D"), 2021, 7, 21); assertPlainDate(d.subtract("-P1D"), 2021, 7, 21); assertPlainDate(d.add("-P1D"), 2021, 7, 19); assertPlainDate(d.subtract("P1D"), 2021, 7, 19); assertPlainDate(d.add("P11D"), 2021, 7, 31); assertPlainDate(d.subtract("-P11D"), 2021, 7, 31); assertPlainDate(d.add("P12D"), 2021, 8, 1); assertPlainDate(d.subtract("-P12D"), 2021, 8, 1); let goodDate = new Temporal.PlainDate(2021, 7, 20); let badDate = {add: goodDate.add}; assertThrows(() => badDate.add("P1D"), TypeError); // Throw in ToLimitedTemporalDuration assertThrows(() => (new Temporal.PlainDate(2021, 7, 20)).add("bad duration"), RangeError);