src/third_party/mozjs-45/js/src/tests/test262/intl402/ch12/12.3/12.3.2_1_c.js

// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/**
 * @description Tests that format function is bound to its Intl.DateTimeFormat.
 * @author Norbert Lindenberg
 */

$INCLUDE("testIntl.js");

var dates = [new Date(), new Date(0), new Date(Date.parse("1989-11-09T17:57:00Z"))];
var locales = [undefined, ["de"], ["th-u-ca-gregory-nu-thai"], ["en"], ["ja-u-ca-japanese"], ["ar-u-ca-islamicc-nu-arab"]];
var options = [
    undefined,
    {hour12: false},
    {month: "long", day: "numeric", hour: "2-digit", minute: "2-digit"}
];

locales.forEach(function (locales) {
    options.forEach(function (options) {
        var formatObj = new Intl.DateTimeFormat(locales, options);
        var formatFunc = formatObj.format;
        dates.forEach(function (date) {
            var referenceFormatted = formatObj.format(date);
            var formatted = formatFunc(date);
            if (referenceFormatted !== formatted) {
                $ERROR("format function produces different result than format method for locales " +
                    locales + "; options: " + (options ? JSON.stringify(options) : options) +
                    " : " + formatted + " vs. " + referenceFormatted + ".");
            }
        });
    });
});