// Copyright 2016 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. var d = new Date(2016, 11, 15, 14, 10, 34); var df = Intl.DateTimeFormat("ja", {hour: 'numeric', minute: 'numeric', second: 'numeric', year: 'numeric', month: 'numeric', day: 'numeric', timeZoneName: 'short', era: 'short'}); var formattedParts = df.formatToParts(d); var formattedReconstructedFromParts = formattedParts.map((part) => part.value) .reduce((accumulated, part) => accumulated + part); assertEquals(df.format(d), formattedReconstructedFromParts); // 西暦2016年11月15日 14:10:34 GMT-7 assertEquals(["era", "year", "literal", "month", "literal", "day", "literal", "hour", "literal", "minute", "literal", "second", "literal", "timeZoneName"], formattedParts.map((part) => part.type));