v8/test/intl/date-format/related-year.js

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// Copyright 2019 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-intl-other-calendars
// Test it will output relatedYear and yearName
let df = new Intl.DateTimeFormat("zh-u-ca-chinese", {year: "numeric"})
let date = new Date(2019, 5, 1);
assertEquals("2019己亥年", df.format(date));
assertEquals([{type: "relatedYear", value: "2019"},
{type: "yearName", value: "己亥"},
{type: "literal", value: "年"}],
df.formatToParts(date));