// Copyright 2018 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-locale// Make sure that locale string got canonicalized by the spec,// keys are sorted and unique, region upper cased, script title cased and// language lower cased.letlocale=newIntl.Locale('sr-cyrl-rs-t-ja-u-ca-islamic-x-whatever',{calendar:'buddhist',caseFirst:'true',collation:'phonebk',hourCycle:'h23',caseFirst:'upper',numeric:'true',numberingSystem:'roman'});letexpected='sr-Cyrl-RS-t-ja-u-ca-buddhist-co-phonebk-hc-h23-kf-upper-kn-true-nu-roman-x-whatever';assertEquals(expected,locale.toString());