michael@0: // Copyright 2012 Google Inc.  All rights reserved.
michael@0: // This code is governed by the BSD license found in the LICENSE file.
michael@0: 
michael@0: /**
michael@0:  * @description Tests that Intl.DateTimeFormat has a supportedLocalesOf
michael@0:  * property, and it works as planned.
michael@0:  * @author: Roozbeh Pournader
michael@0:  */
michael@0: 
michael@0: var defaultLocale = new Intl.DateTimeFormat().resolvedOptions().locale;
michael@0: var notSupported = 'zxx'; // "no linguistic content"
michael@0: var requestedLocales = [defaultLocale, notSupported];
michael@0:     
michael@0: var supportedLocales;
michael@0: 
michael@0: if (!Intl.DateTimeFormat.hasOwnProperty('supportedLocalesOf')) {
michael@0:     $ERROR("Intl.DateTimeFormat doesn't have a supportedLocalesOf property.");
michael@0: }
michael@0:     
michael@0: supportedLocales = Intl.DateTimeFormat.supportedLocalesOf(requestedLocales);
michael@0: if (supportedLocales.length !== 1) {
michael@0:     $ERROR('The length of supported locales list is not 1.');
michael@0: }
michael@0:     
michael@0: if (supportedLocales[0] !== defaultLocale) {
michael@0:     $ERROR('The default locale is not returned in the supported list.');
michael@0: }
michael@0: