// Copyright (C) 2019 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-Intl.DisplayNames
description: >
  Valid options for localeMatcher
info: |
  Intl.DisplayNames ( locales , options )

  1. If NewTarget is undefined, throw a TypeError exception.
  2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNamesPrototype%",
    « [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »).
  ...
  4. Let options be ? ToObject(options).
  ...
  10. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
  ...
  12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined).
  13. If type is undefined, throw a TypeError exception.
  ...

  GetOption ( options, property, type, values, fallback )

  1. Let value be ? Get(options, property).
  ...
features: [Intl.DisplayNames]
locale: [en]
---*/

// results for option values verified in the tests for resolvedOptions

const styles = [
  undefined,
  'narrow',
  'short',
  'long'
];

const types = ['language', 'region', 'script', 'currency'];

types.forEach( type => {
  styles.forEach(style => {
    var obj = new Intl.DisplayNames('en', { style, type });

    assert(obj instanceof Intl.DisplayNames, `instanceof check - ${style}`);
    assert.sameValue(Object.getPrototypeOf(obj), Intl.DisplayNames.prototype, `proto check - ${style}`);
  });
});