tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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resolved-locale-sorted-unicode-extension-keys.js (2694B)

      1 // |reftest| skip-if(!this.hasOwnProperty("Intl"))
      2 
      3 function IsIntlService(c) {
      4    return typeof c === "function" &&
      5           c.hasOwnProperty("prototype") &&
      6           c.prototype.hasOwnProperty("resolvedOptions");
      7 }
      8 
      9 const IntlServices = Object.getOwnPropertyNames(Intl).map(name => Intl[name]).filter(IsIntlService);
     10 
     11 // Examples for all possible Unicode extension keys (with the exception of deprecated "vt").
     12 const unicodeExtensions = [
     13    // calendar
     14    "ca-gregory",
     15    "fw-mon",
     16    "hc-h23",
     17 
     18    // collation
     19    "co-phonebk",
     20    "ka-noignore",
     21    "kb-false",
     22    "kc-false",
     23    "kf-false",
     24    "kh-false",
     25    "kk-false",
     26    "kn-false",
     27    "kr-space",
     28    "ks-level1",
     29    "kv-space",
     30 
     31    // currency
     32    "cf-standard",
     33    "cu-eur",
     34 
     35    // measure
     36    "ms-metric",
     37 
     38    // number
     39    "nu-latn",
     40 
     41    // segmentation
     42    "lb-strict",
     43    "lw-normal",
     44    "ss-none",
     45 
     46    // timezone
     47    "tz-atvie",
     48 
     49    // variant
     50    "em-default",
     51    "rg-atzzzz",
     52    "sd-atat1",
     53    "va-posix",
     54 ];
     55 
     56 function reverse(a, b) {
     57    if (a < b) {
     58        return 1;
     59    }
     60    if (a > b) {
     61        return -1;
     62    }
     63    return 0;
     64 }
     65 
     66 function findUnicodeExtensionKeys(locale) {
     67    // Find the Unicode extension key subtag.
     68    var extension = locale.match(/.*-u-(.*)/);
     69    if (extension === null) {
     70        return [];
     71    }
     72 
     73    // Replace all types in the Unicode extension keywords.
     74    return extension[1].replace(/-\w{3,}/g, "").split("-");
     75 }
     76 
     77 // Test all Intl service constructors and ensure the Unicode extension keys in
     78 // the resolved locale are sorted alphabetically.
     79 
     80 for (let IntlService of IntlServices) {
     81    let options = undefined;
     82    if (IntlService === Intl.DisplayNames) {
     83        // Intl.DisplayNames requires the "type" option to be set.
     84        options = {type: "language"};
     85    }
     86 
     87    // sort() modifies the input array, so create a copy.
     88    let ext = unicodeExtensions.slice(0);
     89 
     90    let locale, keys;
     91 
     92    // Input keys unsorted.
     93    locale = new IntlService(`de-u-${ext.join("-")}`, options).resolvedOptions().locale;
     94    keys = findUnicodeExtensionKeys(locale);
     95    assertEqArray(keys, keys.slice(0).sort());
     96 
     97    // Input keys sorted alphabetically.
     98    locale = new IntlService(`de-u-${ext.sort().join("-")}`, options).resolvedOptions().locale;
     99    keys = findUnicodeExtensionKeys(locale);
    100    assertEqArray(keys, keys.slice(0).sort());
    101 
    102    // Input keys sorted alphabetically in reverse order.
    103    locale = new IntlService(`de-u-${ext.sort(reverse).join("-")}`, options).resolvedOptions().locale;
    104    keys = findUnicodeExtensionKeys(locale);
    105    assertEqArray(keys, keys.slice(0).sort());
    106 }
    107 
    108 if (typeof reportCompare === "function")
    109    reportCompare(0, 0);