tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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extensions-grandfathered.js (1919B)

      1 // Copyright 2018 André Bargull; 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.locale
      6 description: >
      7    Verifies handling of options with grandfathered tags.
      8 info: |
      9    ApplyOptionsToTag( tag, options )
     10    ...
     11    2. If IsStructurallyValidLanguageTag(tag) is false, throw a RangeError exception.
     12 
     13    IsStructurallyValidLanguageTag ( locale )
     14 
     15    The IsStructurallyValidLanguageTag abstract operation verifies that the
     16    locale argument (which must be a String value)
     17 
     18    represents a well-formed Unicode BCP 47 Locale Identifier" as specified in
     19    Unicode Technical Standard 35 section 3.2, or successor,
     20 
     21 features: [Intl.Locale]
     22 ---*/
     23 
     24 const testData = [
     25    // Regular grandfathered without modern replacement.
     26    {
     27        tag: "cel-gaulish",
     28        options: {
     29            language: "fr",
     30            script: "Cyrl",
     31            region: "FR",
     32            numberingSystem: "latn",
     33        },
     34        canonical: "fr-Cyrl-FR-u-nu-latn",
     35    },
     36 
     37    // Regular grandfathered with modern replacement.
     38    {
     39        tag: "art-lojban",
     40        options: {
     41            language: "fr",
     42            script: "Cyrl",
     43            region: "ZZ",
     44            numberingSystem: "latn",
     45        },
     46        canonical: "fr-Cyrl-ZZ-u-nu-latn",
     47    },
     48 ];
     49 
     50 for (const {tag, options, canonical} of testData) {
     51    const loc = new Intl.Locale(tag, options);
     52    assert.sameValue(loc.toString(), canonical);
     53 
     54    for (const [name, value] of Object.entries(options)) {
     55        assert.sameValue(loc[name], value);
     56    }
     57 }
     58 
     59 assert.throws(RangeError, () =>
     60    new Intl.Locale("i-default",
     61      {language: "fr", script: "Cyrl", region: "DE", numberingSystem: "latn"}
     62      ));
     63 
     64 assert.throws(RangeError, () =>
     65    new Intl.Locale("en-gb-oed",
     66      {language: "fr", script: "Cyrl", region: "US", numberingSystem: "latn"}
     67      ));
     68 
     69 reportCompare(0, 0);