tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

options-style-invalid-throws.js (2114B)

      1 // Copyright (C) 2019 Leo Balter. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 esid: sec-Intl.DisplayNames
      6 description: >
      7  Return abrupt completion from an invalid style option
      8 info: |
      9  Intl.DisplayNames ([ locales [ , options ]])
     10 
     11  1. If NewTarget is undefined, throw a TypeError exception.
     12  2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNamesPrototype%",
     13    « [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »).
     14  ...
     15  4. If options is undefined, then
     16    a. Let options be ObjectCreate(null).
     17  5. Else
     18    a. Let options be ? ToObject(options).
     19  ...
     20  8. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
     21  ...
     22  11. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
     23  ...
     24 
     25  GetOption ( options, property, type, values, fallback )
     26 
     27  1. Let value be ? Get(options, property).
     28  2. If value is not undefined, then
     29    ...
     30    c. If type is "string", then
     31      i. Let value be ? ToString(value).
     32    d. If values is not undefined, then
     33      i. If values does not contain an element equal to value, throw a RangeError exception.
     34  ...
     35 features: [Intl.DisplayNames]
     36 locale: [en]
     37 ---*/
     38 
     39 var options = {
     40  style: 'small'
     41 };
     42 
     43 assert.throws(RangeError, () => {
     44  new Intl.DisplayNames('en', options);
     45 }, 'small');
     46 
     47 options.style = 'very long';
     48 
     49 assert.throws(RangeError, () => {
     50  new Intl.DisplayNames('en', options);
     51 }, 'very long');
     52 
     53 options.style = 'full';
     54 
     55 assert.throws(RangeError, () => {
     56  new Intl.DisplayNames('en', options);
     57 }, 'full');
     58 
     59 options.style = null;
     60 
     61 assert.throws(RangeError, () => {
     62  new Intl.DisplayNames('en', options);
     63 }, 'null');
     64 
     65 options.style = '';
     66 
     67 assert.throws(RangeError, () => {
     68  new Intl.DisplayNames('en', options);
     69 }, 'the empty string');
     70 
     71 options.style = ['narrow', 'short', 'long'];
     72 
     73 assert.throws(RangeError, () => {
     74  new Intl.DisplayNames('en', options);
     75 }, 'an array with the valid options is not necessarily valid');
     76 
     77 reportCompare(0, 0);