michael@0: // Copyright 2012 Mozilla Corporation. 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 Date.prototype.toLocaleString & Co. produces the same results as Intl.DateTimeFormat.
michael@0:  * @author Norbert Lindenberg
michael@0:  */
michael@0: 
michael@0: $INCLUDE("testIntl.js");
michael@0: 
michael@0: var functions = {
michael@0:     toLocaleString: [Date.prototype.toLocaleString,
michael@0:         {year: "numeric", month: "numeric", day: "numeric", hour: "numeric", minute: "numeric", second: "numeric"}],
michael@0:     toLocaleDateString: [Date.prototype.toLocaleDateString,
michael@0:         {year: "numeric", month: "numeric", day: "numeric"}],
michael@0:     toLocaleTimeString: [Date.prototype.toLocaleTimeString,
michael@0:         {hour: "numeric", minute: "numeric", second: "numeric"}]
michael@0: };
michael@0: var dates = [new Date(), new Date(0), new Date(Date.parse("1989-11-09T17:57:00Z"))];
michael@0: var locales = [undefined, ["de"], ["th-u-ca-gregory-nu-thai"], ["en"], ["ja-u-ca-japanese"], ["ar-u-ca-islamicc-nu-arab"]];
michael@0: var options = [
michael@0:     undefined,
michael@0:     {hour12: false},
michael@0:     {month: "long", day: "numeric", hour: "2-digit", minute: "2-digit"}
michael@0: ];
michael@0: 
michael@0: Object.getOwnPropertyNames(functions).forEach(function (p) {
michael@0:     var f = functions[p][0];
michael@0:     var defaults = functions[p][1];
michael@0:     locales.forEach(function (locales) {
michael@0:         options.forEach(function (options) {
michael@0:             var constructorOptions = options;
michael@0:             if (options === undefined) {
michael@0:                 constructorOptions = defaults;
michael@0:             } else if (options.day === undefined) {
michael@0:                 // for simplicity, our options above have either both date and time or neither
michael@0:                 constructorOptions = Object.create(defaults);
michael@0:                 for (var prop in options) {
michael@0:                     if (options.hasOwnProperty(prop)) {
michael@0:                         constructorOptions[prop] = options[prop];
michael@0:                     }
michael@0:                 }
michael@0:             }
michael@0:             var referenceDateTimeFormat = new Intl.DateTimeFormat(locales, constructorOptions);
michael@0:             var referenceFormatted = dates.map(referenceDateTimeFormat.format);
michael@0:             
michael@0:             var formatted = dates.map(function (a) { return f.call(a, locales, options); });
michael@0:             try {
michael@0:                 testArraysAreSame(referenceFormatted, formatted);
michael@0:             } catch (e) {
michael@0:                 e.message += " (Testing with locales " + locales + "; options " +
michael@0:                     (options ? JSON.stringify(options) : options) + ".)";
michael@0:                 throw e;
michael@0:             }
michael@0:         });
michael@0:     });
michael@0: });
michael@0: