mirror of https://github.com/tc39/test262.git
76 lines
2.0 KiB
JavaScript
76 lines
2.0 KiB
JavaScript
// Copyright (C) 2019 Leo Balter. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-Intl.DisplayNames
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description: >
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Return abrupt completion from an invalid style option
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info: |
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Intl.DisplayNames ([ locales [ , options ]])
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1. If NewTarget is undefined, throw a TypeError exception.
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2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNamesPrototype%",
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« [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »).
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...
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4. If options is undefined, then
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a. Let options be ObjectCreate(null).
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5. Else
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a. Let options be ? ToObject(options).
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...
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8. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
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...
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11. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
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...
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GetOption ( options, property, type, values, fallback )
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1. Let value be ? Get(options, property).
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2. If value is not undefined, then
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...
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c. If type is "string", then
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i. Let value be ? ToString(value).
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d. If values is not undefined, then
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i. If values does not contain an element equal to value, throw a RangeError exception.
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...
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features: [Intl.DisplayNames]
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locale: [en]
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---*/
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var options = {
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style: 'small'
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};
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assert.throws(RangeError, () => {
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new Intl.DisplayNames('en', options);
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}, 'small');
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options.style = 'very long';
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assert.throws(RangeError, () => {
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new Intl.DisplayNames('en', options);
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}, 'very long');
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options.style = 'full';
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assert.throws(RangeError, () => {
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new Intl.DisplayNames('en', options);
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}, 'full');
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options.style = null;
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assert.throws(RangeError, () => {
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new Intl.DisplayNames('en', options);
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}, 'null');
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options.style = '';
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assert.throws(RangeError, () => {
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new Intl.DisplayNames('en', options);
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}, 'the empty string');
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options.style = ['narrow', 'short', 'long'];
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assert.throws(RangeError, () => {
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new Intl.DisplayNames('en', options);
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}, 'an array with the valid options is not necessarily valid');
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