mirror of https://github.com/tc39/test262.git
48 lines
1.7 KiB
JavaScript
48 lines
1.7 KiB
JavaScript
|
// Copyright (C) 2021 the V8 project authors. All rights reserved.
|
||
|
|
// This code is governed by the BSD license found in the LICENSE file.
|
||
|
|
|
||
|
|
/*---
|
||
|
|
esid: sec-Intl.DisplayNames
|
||
|
|
description: Valid options for languageDisplay
|
||
|
|
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).
|
||
|
|
...
|
||
|
|
8. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
|
||
|
|
...
|
||
|
|
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.
|
||
|
|
...
|
||
|
|
24. Let languageDisplay be ? GetOption(options, "languageDisplay", "string", « "dialect", "standard" », "dialect").
|
||
|
|
...
|
||
|
|
|
||
|
|
GetOption ( options, property, type, values, fallback )
|
||
|
|
|
||
|
|
1. Let value be ? Get(options, property).
|
||
|
|
...
|
||
|
|
features: [Intl.DisplayNames-v2]
|
||
|
|
locale: [en]
|
||
|
|
---*/
|
||
|
|
|
||
|
|
// results for option values verified in the tests for resolvedOptions
|
||
|
|
|
||
|
|
const languageDisplays = [
|
||
|
|
undefined,
|
||
|
|
'dialect',
|
||
|
|
'standard'
|
||
|
|
];
|
||
|
|
|
||
|
|
languageDisplays.forEach(languageDisplay => {
|
||
|
|
const obj = new Intl.DisplayNames('en', { languageDisplay, type: 'language'});
|
||
|
|
|
||
|
|
assert(obj instanceof Intl.DisplayNames, `instanceof check - ${languageDisplay}`);
|
||
|
|
assert.sameValue(Object.getPrototypeOf(obj), Intl.DisplayNames.prototype, `proto check - ${languageDisplay}`);
|
||
|
|
});
|