format-as-code-or-name.js

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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/. */

//-----------------------------------------------------------------------------

var BUGNUMBER = 1093421;

var summary =

  "new Intl.NumberFormat(..., { style: 'currency', currency: '...', " +

  "currencyDisplay: 'name' or 'code' }) should have behavior other than " +

  "throwing";

print(BUGNUMBER + ": " + summary);

//-----------------------------------------------------------------------------

// Test that currencyDisplay: "code" behaves correctly and doesn't throw.

var usdCodeOptions =

    style: "currency",

    currency: "USD",

    currencyDisplay: "code",

    minimumFractionDigits: 0,

    maximumFractionDigits: 0,

};

var usDollarsCode = new Intl.NumberFormat("en-US", usdCodeOptions);

assertEq(/USD/.test(usDollarsCode.format(25)), true);

// ISO 4217 currency codes are formed from an ISO 3166-1 alpha-2 country code

// followed by a third letter.  ISO 3166 guarantees that no country code

// starting with "X" will ever be assigned.  Stepping carefully around a few

// 4217-designated special "currencies", XQQ will never have a representation.

// Thus, yes: this really is specified to work, as unrecognized or unsupported

// codes pass into the string unmodified.

var xqqCodeOptions =

    style: "currency",

    currency: "XQQ",

    currencyDisplay: "code",

    minimumFractionDigits: 0,

    maximumFractionDigits: 0,

};

var xqqMoneyCode = new Intl.NumberFormat("en-US", xqqCodeOptions);

assertEq(/XQQ/.test(xqqMoneyCode.format(25)), true);

// Test that currencyDisplay: "name" behaves without throwing.  (Unlike the two

// above tests, the results here aren't guaranteed as the name is

// implementation-defined.)

var usdNameOptions =

    style: "currency",

    currency: "USD",

    currencyDisplay: "name",

    minimumFractionDigits: 0,

    maximumFractionDigits: 0,

};

var usDollarsName = new Intl.NumberFormat("en-US", usdNameOptions);

assertEq(usDollarsName.format(25), "25 US dollars");

// But if the implementation doesn't recognize the currency, the provided code

// is used in place of a proper name, unmolested.

var xqqNameOptions =

    style: "currency",

    currency: "XQQ",

    currencyDisplay: "name",

    minimumFractionDigits: 0,

    maximumFractionDigits: 0,

};

var xqqMoneyName = new Intl.NumberFormat("en-US", xqqNameOptions);

assertEq(/XQQ/.test(xqqMoneyName.format(25)), true);

if (typeof reportCompare === "function")

  reportCompare(true, true);