format.js - mozsearch

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// |reftest| skip-if(!this.hasOwnProperty("Intl"))

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

// Tests the format function with a diverse set of locales and options.

var format;

// Locale en-US; default options.

format = new Intl.NumberFormat("en-us");

assertEq(format.format(0), "0");

assertEq(format.format(-1), "-1");

assertEq(format.format(123456789.123456789), "123,456,789.123");

// Locale en-US; currency USD.

// The US dollar uses two fractional digits, and negative values are commonly

// parenthesized.

format = new Intl.NumberFormat("en-us", {style: "currency", currency: "USD"});

assertEq(format.format(0), "$0.00");

assertEq(format.format(-1), "-$1.00");

assertEq(format.format(123456789.123456789), "$123,456,789.12");

// Locale ja-JP; currency JPY.

// The Japanese yen has no subunit in real life.

format = new Intl.NumberFormat("ja-jp", {style: "currency", currency: "JPY"});

assertEq(format.format(0), "￥0");

assertEq(format.format(-1), "-￥1");

assertEq(format.format(123456789.123456789), "￥123,456,789");

// Locale ar-JO; currency JOD.

// The Jordanian Dinar divides into 1000 fils. Jordan uses (real) Arabic digits.

format = new Intl.NumberFormat("ar-jo", {style: "currency", currency: "JOD"});

assertEq(format.format(0), "\u{200F}٠٫٠٠٠ د.أ.\u{200F}");

assertEq(format.format(-1), "\u{061C}-\u{200F}١٫٠٠٠ د.أ.\u{200F}");

assertEq(format.format(123456789.123456789), "\u{200F}١٢٣٬٤٥٦٬٧٨٩٫١٢٣ د.أ.\u{200F}");

// Locale th-TH; Thai digits, percent, two significant digits.

format = new Intl.NumberFormat("th-th-u-nu-thai",

                               {style: "percent",

                                minimumSignificantDigits: 2,

                                maximumSignificantDigits: 2});

assertEq(format.format(0), "๐.๐%");

assertEq(format.format(-0.01), "-๑.๐%");

assertEq(format.format(1.10), "๑๑๐%");

// Test the .name property of the "format" getter.

var desc = Object.getOwnPropertyDescriptor(Intl.NumberFormat.prototype, "format");

assertEq(desc !== undefined, true);

assertEq(typeof desc.get, "function");

assertEq(desc.get.name, "get format");

reportCompare(0, 0, 'ok');