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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/. */
// Date style
var dtf = new Intl.DateTimeFormat("en-US", {dateStyle: 'long'});
assertEq(dtf.resolvedOptions().dateStyle, 'long');
assertEq(dtf.resolvedOptions().hasOwnProperty('year'), false);
assertEq(dtf.resolvedOptions().hasOwnProperty('month'), false);
assertEq(dtf.resolvedOptions().hasOwnProperty('day'), false);
// Time style
var dtf = new Intl.DateTimeFormat("en-US", {timeStyle: 'long'});
assertEq(dtf.resolvedOptions().timeStyle, 'long');
assertEq(dtf.resolvedOptions().hasOwnProperty('hour'), false);
assertEq(dtf.resolvedOptions().hasOwnProperty('minute'), false);
assertEq(dtf.resolvedOptions().hasOwnProperty('second'), false);
// Date/Time style
var dtf = new Intl.DateTimeFormat("en-US", {dateStyle: 'medium', timeStyle: 'medium'});
assertEq(dtf.resolvedOptions().timeStyle, 'medium');
assertEq(dtf.resolvedOptions().dateStyle, 'medium');
assertEq(dtf.resolvedOptions().hasOwnProperty('hour'), false);
assertEq(dtf.resolvedOptions().hasOwnProperty('minute'), false);
assertEq(dtf.resolvedOptions().hasOwnProperty('second'), false);
assertEq(dtf.resolvedOptions().hasOwnProperty('year'), false);
assertEq(dtf.resolvedOptions().hasOwnProperty('month'), false);
assertEq(dtf.resolvedOptions().hasOwnProperty('day'), false);
// Error when mixing date/timeStyle with other date-time options.
assertThrowsInstanceOf(() => {
new Intl.DateTimeFormat("en-US", {dateStyle: 'medium', year: 'numeric'});
}, TypeError);
assertThrowsInstanceOf(() => {
new Intl.DateTimeFormat("en-US", {timeStyle: 'medium', year: 'numeric'});
}, TypeError);
// Error when using dateStyle in toLocaleTimeString.
assertThrowsInstanceOf(() => {
new Date().toLocaleTimeString("en-US", {dateStyle: 'long'});
}, TypeError);
// Error when using dateStyle in toLocaleDateString.
assertThrowsInstanceOf(() => {
new Date().toLocaleDateString("en-US", {timeStyle: 'long'});
}, TypeError);
if (typeof reportCompare === "function")
reportCompare(0, 0, 'ok');
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