tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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constructor-locales-valid.js (1182B)

      1 // Copyright 2022 Igalia, S.L. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 esid: sec-Intl.DurationFormat
      6 description: Checks  cases for the locales argument to the DurationFormat constructor.
      7 info: |
      8    Intl.DurationFormat  ( [ locales [ , options ] ] )
      9    (...)
     10    3. Let _requestedLocales_ be ? CanonicalizeLocaleList(_locales_).
     11 features: [Intl.DurationFormat]
     12 ---*/
     13 
     14 const defaultLocale = new Intl.DurationFormat().resolvedOptions().locale;
     15 
     16 const matchers = ["lookup", "best fit"]
     17 
     18 const tests = [
     19  [undefined, defaultLocale, "undefined"],
     20  ["EN", "en", "Single value"],
     21  [[], defaultLocale, "Empty array"],
     22  [["en", "EN"], "en", "Duplicate value (canonical first)"],
     23  [["EN", "en"], "en", "Duplicate value (canonical last)"],
     24  [{ 0: "DE", length: 0 }, defaultLocale, "Object with zero length"],
     25  [{ 0: "DE", length: 1 }, "de", "Object with length"],
     26 ];
     27 
     28 
     29 for (const [locales, expected, name] of tests) {
     30  matchers.forEach((matcher)=>{
     31    const drf = new Intl.DurationFormat(locales, {localeMatcher: matcher});
     32    assert.sameValue(drf.resolvedOptions().locale, expected, name);
     33  });
     34 };
     35 
     36 reportCompare(0, 0);